ShowerLoop-cc/docs/js/app.min.js

/*
 Copyright (C) Federico Zivolo 2017
 Distributed under the MIT License (license terms are at http://opensource.org/licenses/MIT).
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/*!
 * Vue.js v2.6.10
 * (c) 2014-2019 Evan You
 * Released under the MIT License.
 */
(function (global, factory) {
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  }

  /**
   * Get the raw type string of a value, e.g., [object Object].
   */
  var _toString = Object.prototype.toString;

  function toRawType (value) {
    return _toString.call(value).slice(8, -1)
  }

  /**
   * Strict object type check. Only returns true
   * for plain JavaScript objects.
   */
  function isPlainObject (obj) {
    return _toString.call(obj) === '[object Object]'
  }

  function isRegExp (v) {
    return _toString.call(v) === '[object RegExp]'
  }

  /**
   * Check if val is a valid array index.
   */
  function isValidArrayIndex (val) {
    var n = parseFloat(String(val));
    return n >= 0 && Math.floor(n) === n && isFinite(val)
  }

  function isPromise (val) {
    return (
      isDef(val) &&
      typeof val.then === 'function' &&
      typeof val.catch === 'function'
    )
  }

  /**
   * Convert a value to a string that is actually rendered.
   */
  function toString (val) {
    return val == null
      ? ''
      : Array.isArray(val) || (isPlainObject(val) && val.toString === _toString)
        ? JSON.stringify(val, null, 2)
        : String(val)
  }

  /**
   * Convert an input value to a number for persistence.
   * If the conversion fails, return original string.
   */
  function toNumber (val) {
    var n = parseFloat(val);
    return isNaN(n) ? val : n
  }

  /**
   * Make a map and return a function for checking if a key
   * is in that map.
   */
  function makeMap (
    str,
    expectsLowerCase
  ) {
    var map = Object.create(null);
    var list = str.split(',');
    for (var i = 0; i < list.length; i++) {
      map[list[i]] = true;
    }
    return expectsLowerCase
      ? function (val) { return map[val.toLowerCase()]; }
      : function (val) { return map[val]; }
  }

  /**
   * Check if a tag is a built-in tag.
   */
  var isBuiltInTag = makeMap('slot,component', true);

  /**
   * Check if an attribute is a reserved attribute.
   */
  var isReservedAttribute = makeMap('key,ref,slot,slot-scope,is');

  /**
   * Remove an item from an array.
   */
  function remove (arr, item) {
    if (arr.length) {
      var index = arr.indexOf(item);
      if (index > -1) {
        return arr.splice(index, 1)
      }
    }
  }

  /**
   * Check whether an object has the property.
   */
  var hasOwnProperty = Object.prototype.hasOwnProperty;
  function hasOwn (obj, key) {
    return hasOwnProperty.call(obj, key)
  }

  /**
   * Create a cached version of a pure function.
   */
  function cached (fn) {
    var cache = Object.create(null);
    return (function cachedFn (str) {
      var hit = cache[str];
      return hit || (cache[str] = fn(str))
    })
  }

  /**
   * Camelize a hyphen-delimited string.
   */
  var camelizeRE = /-(\w)/g;
  var camelize = cached(function (str) {
    return str.replace(camelizeRE, function (_, c) { return c ? c.toUpperCase() : ''; })
  });

  /**
   * Capitalize a string.
   */
  var capitalize = cached(function (str) {
    return str.charAt(0).toUpperCase() + str.slice(1)
  });

  /**
   * Hyphenate a camelCase string.
   */
  var hyphenateRE = /\B([A-Z])/g;
  var hyphenate = cached(function (str) {
    return str.replace(hyphenateRE, '-$1').toLowerCase()
  });

  /**
   * Simple bind polyfill for environments that do not support it,
   * e.g., PhantomJS 1.x. Technically, we don't need this anymore
   * since native bind is now performant enough in most browsers.
   * But removing it would mean breaking code that was able to run in
   * PhantomJS 1.x, so this must be kept for backward compatibility.
   */

  /* istanbul ignore next */
  function polyfillBind (fn, ctx) {
    function boundFn (a) {
      var l = arguments.length;
      return l
        ? l > 1
          ? fn.apply(ctx, arguments)
          : fn.call(ctx, a)
        : fn.call(ctx)
    }

    boundFn._length = fn.length;
    return boundFn
  }

  function nativeBind (fn, ctx) {
    return fn.bind(ctx)
  }

  var bind = Function.prototype.bind
    ? nativeBind
    : polyfillBind;

  /**
   * Convert an Array-like object to a real Array.
   */
  function toArray (list, start) {
    start = start || 0;
    var i = list.length - start;
    var ret = new Array(i);
    while (i--) {
      ret[i] = list[i + start];
    }
    return ret
  }

  /**
   * Mix properties into target object.
   */
  function extend (to, _from) {
    for (var key in _from) {
      to[key] = _from[key];
    }
    return to
  }

  /**
   * Merge an Array of Objects into a single Object.
   */
  function toObject (arr) {
    var res = {};
    for (var i = 0; i < arr.length; i++) {
      if (arr[i]) {
        extend(res, arr[i]);
      }
    }
    return res
  }

  /* eslint-disable no-unused-vars */

  /**
   * Perform no operation.
   * Stubbing args to make Flow happy without leaving useless transpiled code
   * with ...rest (https://flow.org/blog/2017/05/07/Strict-Function-Call-Arity/).
   */
  function noop (a, b, c) {}

  /**
   * Always return false.
   */
  var no = function (a, b, c) { return false; };

  /* eslint-enable no-unused-vars */

  /**
   * Return the same value.
   */
  var identity = function (_) { return _; };

  /**
   * Generate a string containing static keys from compiler modules.
   */
  function genStaticKeys (modules) {
    return modules.reduce(function (keys, m) {
      return keys.concat(m.staticKeys || [])
    }, []).join(',')
  }

  /**
   * Check if two values are loosely equal - that is,
   * if they are plain objects, do they have the same shape?
   */
  function looseEqual (a, b) {
    if (a === b) { return true }
    var isObjectA = isObject(a);
    var isObjectB = isObject(b);
    if (isObjectA && isObjectB) {
      try {
        var isArrayA = Array.isArray(a);
        var isArrayB = Array.isArray(b);
        if (isArrayA && isArrayB) {
          return a.length === b.length && a.every(function (e, i) {
            return looseEqual(e, b[i])
          })
        } else if (a instanceof Date && b instanceof Date) {
          return a.getTime() === b.getTime()
        } else if (!isArrayA && !isArrayB) {
          var keysA = Object.keys(a);
          var keysB = Object.keys(b);
          return keysA.length === keysB.length && keysA.every(function (key) {
            return looseEqual(a[key], b[key])
          })
        } else {
          /* istanbul ignore next */
          return false
        }
      } catch (e) {
        /* istanbul ignore next */
        return false
      }
    } else if (!isObjectA && !isObjectB) {
      return String(a) === String(b)
    } else {
      return false
    }
  }

  /**
   * Return the first index at which a loosely equal value can be
   * found in the array (if value is a plain object, the array must
   * contain an object of the same shape), or -1 if it is not present.
   */
  function looseIndexOf (arr, val) {
    for (var i = 0; i < arr.length; i++) {
      if (looseEqual(arr[i], val)) { return i }
    }
    return -1
  }

  /**
   * Ensure a function is called only once.
   */
  function once (fn) {
    var called = false;
    return function () {
      if (!called) {
        called = true;
        fn.apply(this, arguments);
      }
    }
  }

  var SSR_ATTR = 'data-server-rendered';

  var ASSET_TYPES = [
    'component',
    'directive',
    'filter'
  ];

  var LIFECYCLE_HOOKS = [
    'beforeCreate',
    'created',
    'beforeMount',
    'mounted',
    'beforeUpdate',
    'updated',
    'beforeDestroy',
    'destroyed',
    'activated',
    'deactivated',
    'errorCaptured',
    'serverPrefetch'
  ];

  /*  */



  var config = ({
    /**
     * Option merge strategies (used in core/util/options)
     */
    // $flow-disable-line
    optionMergeStrategies: Object.create(null),

    /**
     * Whether to suppress warnings.
     */
    silent: false,

    /**
     * Show production mode tip message on boot?
     */
    productionTip: "development" !== 'production',

    /**
     * Whether to enable devtools
     */
    devtools: "development" !== 'production',

    /**
     * Whether to record perf
     */
    performance: false,

    /**
     * Error handler for watcher errors
     */
    errorHandler: null,

    /**
     * Warn handler for watcher warns
     */
    warnHandler: null,

    /**
     * Ignore certain custom elements
     */
    ignoredElements: [],

    /**
     * Custom user key aliases for v-on
     */
    // $flow-disable-line
    keyCodes: Object.create(null),

    /**
     * Check if a tag is reserved so that it cannot be registered as a
     * component. This is platform-dependent and may be overwritten.
     */
    isReservedTag: no,

    /**
     * Check if an attribute is reserved so that it cannot be used as a component
     * prop. This is platform-dependent and may be overwritten.
     */
    isReservedAttr: no,

    /**
     * Check if a tag is an unknown element.
     * Platform-dependent.
     */
    isUnknownElement: no,

    /**
     * Get the namespace of an element
     */
    getTagNamespace: noop,

    /**
     * Parse the real tag name for the specific platform.
     */
    parsePlatformTagName: identity,

    /**
     * Check if an attribute must be bound using property, e.g. value
     * Platform-dependent.
     */
    mustUseProp: no,

    /**
     * Perform updates asynchronously. Intended to be used by Vue Test Utils
     * This will significantly reduce performance if set to false.
     */
    async: true,

    /**
     * Exposed for legacy reasons
     */
    _lifecycleHooks: LIFECYCLE_HOOKS
  });

  /*  */

  /**
   * unicode letters used for parsing html tags, component names and property paths.
   * using https://www.w3.org/TR/html53/semantics-scripting.html#potentialcustomelementname
   * skipping \u10000-\uEFFFF due to it freezing up PhantomJS
   */
  var unicodeRegExp = /a-zA-Z\u00B7\u00C0-\u00D6\u00D8-\u00F6\u00F8-\u037D\u037F-\u1FFF\u200C-\u200D\u203F-\u2040\u2070-\u218F\u2C00-\u2FEF\u3001-\uD7FF\uF900-\uFDCF\uFDF0-\uFFFD/;

  /**
   * Check if a string starts with $ or _
   */
  function isReserved (str) {
    var c = (str + '').charCodeAt(0);
    return c === 0x24 || c === 0x5F
  }

  /**
   * Define a property.
   */
  function def (obj, key, val, enumerable) {
    Object.defineProperty(obj, key, {
      value: val,
      enumerable: !!enumerable,
      writable: true,
      configurable: true
    });
  }

  /**
   * Parse simple path.
   */
  var bailRE = new RegExp(("[^" + (unicodeRegExp.source) + ".$_\\d]"));
  function parsePath (path) {
    if (bailRE.test(path)) {
      return
    }
    var segments = path.split('.');
    return function (obj) {
      for (var i = 0; i < segments.length; i++) {
        if (!obj) { return }
        obj = obj[segments[i]];
      }
      return obj
    }
  }

  /*  */

  // can we use __proto__?
  var hasProto = '__proto__' in {};

  // Browser environment sniffing
  var inBrowser = typeof window !== 'undefined';
  var inWeex = typeof WXEnvironment !== 'undefined' && !!WXEnvironment.platform;
  var weexPlatform = inWeex && WXEnvironment.platform.toLowerCase();
  var UA = inBrowser && window.navigator.userAgent.toLowerCase();
  var isIE = UA && /msie|trident/.test(UA);
  var isIE9 = UA && UA.indexOf('msie 9.0') > 0;
  var isEdge = UA && UA.indexOf('edge/') > 0;
  var isAndroid = (UA && UA.indexOf('android') > 0) || (weexPlatform === 'android');
  var isIOS = (UA && /iphone|ipad|ipod|ios/.test(UA)) || (weexPlatform === 'ios');
  var isChrome = UA && /chrome\/\d+/.test(UA) && !isEdge;
  var isPhantomJS = UA && /phantomjs/.test(UA);
  var isFF = UA && UA.match(/firefox\/(\d+)/);

  // Firefox has a "watch" function on Object.prototype...
  var nativeWatch = ({}).watch;

  var supportsPassive = false;
  if (inBrowser) {
    try {
      var opts = {};
      Object.defineProperty(opts, 'passive', ({
        get: function get () {
          /* istanbul ignore next */
          supportsPassive = true;
        }
      })); // https://github.com/facebook/flow/issues/285
      window.addEventListener('test-passive', null, opts);
    } catch (e) {}
  }

  // this needs to be lazy-evaled because vue may be required before
  // vue-server-renderer can set VUE_ENV
  var _isServer;
  var isServerRendering = function () {
    if (_isServer === undefined) {
      /* istanbul ignore if */
      if (!inBrowser && !inWeex && typeof global !== 'undefined') {
        // detect presence of vue-server-renderer and avoid
        // Webpack shimming the process
        _isServer = global['process'] && global['process'].env.VUE_ENV === 'server';
      } else {
        _isServer = false;
      }
    }
    return _isServer
  };

  // detect devtools
  var devtools = inBrowser && window.__VUE_DEVTOOLS_GLOBAL_HOOK__;

  /* istanbul ignore next */
  function isNative (Ctor) {
    return typeof Ctor === 'function' && /native code/.test(Ctor.toString())
  }

  var hasSymbol =
    typeof Symbol !== 'undefined' && isNative(Symbol) &&
    typeof Reflect !== 'undefined' && isNative(Reflect.ownKeys);

  var _Set;
  /* istanbul ignore if */ // $flow-disable-line
  if (typeof Set !== 'undefined' && isNative(Set)) {
    // use native Set when available.
    _Set = Set;
  } else {
    // a non-standard Set polyfill that only works with primitive keys.
    _Set = /*@__PURE__*/(function () {
      function Set () {
        this.set = Object.create(null);
      }
      Set.prototype.has = function has (key) {
        return this.set[key] === true
      };
      Set.prototype.add = function add (key) {
        this.set[key] = true;
      };
      Set.prototype.clear = function clear () {
        this.set = Object.create(null);
      };

      return Set;
    }());
  }

  /*  */

  var warn = noop;
  var tip = noop;
  var generateComponentTrace = (noop); // work around flow check
  var formatComponentName = (noop);

  {
    var hasConsole = typeof console !== 'undefined';
    var classifyRE = /(?:^|[-_])(\w)/g;
    var classify = function (str) { return str
      .replace(classifyRE, function (c) { return c.toUpperCase(); })
      .replace(/[-_]/g, ''); };

    warn = function (msg, vm) {
      var trace = vm ? generateComponentTrace(vm) : '';

      if (config.warnHandler) {
        config.warnHandler.call(null, msg, vm, trace);
      } else if (hasConsole && (!config.silent)) {
        console.error(("[Vue warn]: " + msg + trace));
      }
    };

    tip = function (msg, vm) {
      if (hasConsole && (!config.silent)) {
        console.warn("[Vue tip]: " + msg + (
          vm ? generateComponentTrace(vm) : ''
        ));
      }
    };

    formatComponentName = function (vm, includeFile) {
      if (vm.$root === vm) {
        return '<Root>'
      }
      var options = typeof vm === 'function' && vm.cid != null
        ? vm.options
        : vm._isVue
          ? vm.$options || vm.constructor.options
          : vm;
      var name = options.name || options._componentTag;
      var file = options.__file;
      if (!name && file) {
        var match = file.match(/([^/\\]+)\.vue$/);
        name = match && match[1];
      }

      return (
        (name ? ("<" + (classify(name)) + ">") : "<Anonymous>") +
        (file && includeFile !== false ? (" at " + file) : '')
      )
    };

    var repeat = function (str, n) {
      var res = '';
      while (n) {
        if (n % 2 === 1) { res += str; }
        if (n > 1) { str += str; }
        n >>= 1;
      }
      return res
    };

    generateComponentTrace = function (vm) {
      if (vm._isVue && vm.$parent) {
        var tree = [];
        var currentRecursiveSequence = 0;
        while (vm) {
          if (tree.length > 0) {
            var last = tree[tree.length - 1];
            if (last.constructor === vm.constructor) {
              currentRecursiveSequence++;
              vm = vm.$parent;
              continue
            } else if (currentRecursiveSequence > 0) {
              tree[tree.length - 1] = [last, currentRecursiveSequence];
              currentRecursiveSequence = 0;
            }
          }
          tree.push(vm);
          vm = vm.$parent;
        }
        return '\n\nfound in\n\n' + tree
          .map(function (vm, i) { return ("" + (i === 0 ? '---> ' : repeat(' ', 5 + i * 2)) + (Array.isArray(vm)
              ? ((formatComponentName(vm[0])) + "... (" + (vm[1]) + " recursive calls)")
              : formatComponentName(vm))); })
          .join('\n')
      } else {
        return ("\n\n(found in " + (formatComponentName(vm)) + ")")
      }
    };
  }

  /*  */

  var uid = 0;

  /**
   * A dep is an observable that can have multiple
   * directives subscribing to it.
   */
  var Dep = function Dep () {
    this.id = uid++;
    this.subs = [];
  };

  Dep.prototype.addSub = function addSub (sub) {
    this.subs.push(sub);
  };

  Dep.prototype.removeSub = function removeSub (sub) {
    remove(this.subs, sub);
  };

  Dep.prototype.depend = function depend () {
    if (Dep.target) {
      Dep.target.addDep(this);
    }
  };

  Dep.prototype.notify = function notify () {
    // stabilize the subscriber list first
    var subs = this.subs.slice();
    if (!config.async) {
      // subs aren't sorted in scheduler if not running async
      // we need to sort them now to make sure they fire in correct
      // order
      subs.sort(function (a, b) { return a.id - b.id; });
    }
    for (var i = 0, l = subs.length; i < l; i++) {
      subs[i].update();
    }
  };

  // The current target watcher being evaluated.
  // This is globally unique because only one watcher
  // can be evaluated at a time.
  Dep.target = null;
  var targetStack = [];

  function pushTarget (target) {
    targetStack.push(target);
    Dep.target = target;
  }

  function popTarget () {
    targetStack.pop();
    Dep.target = targetStack[targetStack.length - 1];
  }

  /*  */

  var VNode = function VNode (
    tag,
    data,
    children,
    text,
    elm,
    context,
    componentOptions,
    asyncFactory
  ) {
    this.tag = tag;
    this.data = data;
    this.children = children;
    this.text = text;
    this.elm = elm;
    this.ns = undefined;
    this.context = context;
    this.fnContext = undefined;
    this.fnOptions = undefined;
    this.fnScopeId = undefined;
    this.key = data && data.key;
    this.componentOptions = componentOptions;
    this.componentInstance = undefined;
    this.parent = undefined;
    this.raw = false;
    this.isStatic = false;
    this.isRootInsert = true;
    this.isComment = false;
    this.isCloned = false;
    this.isOnce = false;
    this.asyncFactory = asyncFactory;
    this.asyncMeta = undefined;
    this.isAsyncPlaceholder = false;
  };

  var prototypeAccessors = { child: { configurable: true } };

  // DEPRECATED: alias for componentInstance for backwards compat.
  /* istanbul ignore next */
  prototypeAccessors.child.get = function () {
    return this.componentInstance
  };

  Object.defineProperties( VNode.prototype, prototypeAccessors );

  var createEmptyVNode = function (text) {
    if ( text === void 0 ) text = '';

    var node = new VNode();
    node.text = text;
    node.isComment = true;
    return node
  };

  function createTextVNode (val) {
    return new VNode(undefined, undefined, undefined, String(val))
  }

  // optimized shallow clone
  // used for static nodes and slot nodes because they may be reused across
  // multiple renders, cloning them avoids errors when DOM manipulations rely
  // on their elm reference.
  function cloneVNode (vnode) {
    var cloned = new VNode(
      vnode.tag,
      vnode.data,
      // #7975
      // clone children array to avoid mutating original in case of cloning
      // a child.
      vnode.children && vnode.children.slice(),
      vnode.text,
      vnode.elm,
      vnode.context,
      vnode.componentOptions,
      vnode.asyncFactory
    );
    cloned.ns = vnode.ns;
    cloned.isStatic = vnode.isStatic;
    cloned.key = vnode.key;
    cloned.isComment = vnode.isComment;
    cloned.fnContext = vnode.fnContext;
    cloned.fnOptions = vnode.fnOptions;
    cloned.fnScopeId = vnode.fnScopeId;
    cloned.asyncMeta = vnode.asyncMeta;
    cloned.isCloned = true;
    return cloned
  }

  /*
   * not type checking this file because flow doesn't play well with
   * dynamically accessing methods on Array prototype
   */

  var arrayProto = Array.prototype;
  var arrayMethods = Object.create(arrayProto);

  var methodsToPatch = [
    'push',
    'pop',
    'shift',
    'unshift',
    'splice',
    'sort',
    'reverse'
  ];

  /**
   * Intercept mutating methods and emit events
   */
  methodsToPatch.forEach(function (method) {
    // cache original method
    var original = arrayProto[method];
    def(arrayMethods, method, function mutator () {
      var args = [], len = arguments.length;
      while ( len-- ) args[ len ] = arguments[ len ];

      var result = original.apply(this, args);
      var ob = this.__ob__;
      var inserted;
      switch (method) {
        case 'push':
        case 'unshift':
          inserted = args;
          break
        case 'splice':
          inserted = args.slice(2);
          break
      }
      if (inserted) { ob.observeArray(inserted); }
      // notify change
      ob.dep.notify();
      return result
    });
  });

  /*  */

  var arrayKeys = Object.getOwnPropertyNames(arrayMethods);

  /**
   * In some cases we may want to disable observation inside a component's
   * update computation.
   */
  var shouldObserve = true;

  function toggleObserving (value) {
    shouldObserve = value;
  }

  /**
   * Observer class that is attached to each observed
   * object. Once attached, the observer converts the target
   * object's property keys into getter/setters that
   * collect dependencies and dispatch updates.
   */
  var Observer = function Observer (value) {
    this.value = value;
    this.dep = new Dep();
    this.vmCount = 0;
    def(value, '__ob__', this);
    if (Array.isArray(value)) {
      if (hasProto) {
        protoAugment(value, arrayMethods);
      } else {
        copyAugment(value, arrayMethods, arrayKeys);
      }
      this.observeArray(value);
    } else {
      this.walk(value);
    }
  };

  /**
   * Walk through all properties and convert them into
   * getter/setters. This method should only be called when
   * value type is Object.
   */
  Observer.prototype.walk = function walk (obj) {
    var keys = Object.keys(obj);
    for (var i = 0; i < keys.length; i++) {
      defineReactive$$1(obj, keys[i]);
    }
  };

  /**
   * Observe a list of Array items.
   */
  Observer.prototype.observeArray = function observeArray (items) {
    for (var i = 0, l = items.length; i < l; i++) {
      observe(items[i]);
    }
  };

  // helpers

  /**
   * Augment a target Object or Array by intercepting
   * the prototype chain using __proto__
   */
  function protoAugment (target, src) {
    /* eslint-disable no-proto */
    target.__proto__ = src;
    /* eslint-enable no-proto */
  }

  /**
   * Augment a target Object or Array by defining
   * hidden properties.
   */
  /* istanbul ignore next */
  function copyAugment (target, src, keys) {
    for (var i = 0, l = keys.length; i < l; i++) {
      var key = keys[i];
      def(target, key, src[key]);
    }
  }

  /**
   * Attempt to create an observer instance for a value,
   * returns the new observer if successfully observed,
   * or the existing observer if the value already has one.
   */
  function observe (value, asRootData) {
    if (!isObject(value) || value instanceof VNode) {
      return
    }
    var ob;
    if (hasOwn(value, '__ob__') && value.__ob__ instanceof Observer) {
      ob = value.__ob__;
    } else if (
      shouldObserve &&
      !isServerRendering() &&
      (Array.isArray(value) || isPlainObject(value)) &&
      Object.isExtensible(value) &&
      !value._isVue
    ) {
      ob = new Observer(value);
    }
    if (asRootData && ob) {
      ob.vmCount++;
    }
    return ob
  }

  /**
   * Define a reactive property on an Object.
   */
  function defineReactive$$1 (
    obj,
    key,
    val,
    customSetter,
    shallow
  ) {
    var dep = new Dep();

    var property = Object.getOwnPropertyDescriptor(obj, key);
    if (property && property.configurable === false) {
      return
    }

    // cater for pre-defined getter/setters
    var getter = property && property.get;
    var setter = property && property.set;
    if ((!getter || setter) && arguments.length === 2) {
      val = obj[key];
    }

    var childOb = !shallow && observe(val);
    Object.defineProperty(obj, key, {
      enumerable: true,
      configurable: true,
      get: function reactiveGetter () {
        var value = getter ? getter.call(obj) : val;
        if (Dep.target) {
          dep.depend();
          if (childOb) {
            childOb.dep.depend();
            if (Array.isArray(value)) {
              dependArray(value);
            }
          }
        }
        return value
      },
      set: function reactiveSetter (newVal) {
        var value = getter ? getter.call(obj) : val;
        /* eslint-disable no-self-compare */
        if (newVal === value || (newVal !== newVal && value !== value)) {
          return
        }
        /* eslint-enable no-self-compare */
        if (customSetter) {
          customSetter();
        }
        // #7981: for accessor properties without setter
        if (getter && !setter) { return }
        if (setter) {
          setter.call(obj, newVal);
        } else {
          val = newVal;
        }
        childOb = !shallow && observe(newVal);
        dep.notify();
      }
    });
  }

  /**
   * Set a property on an object. Adds the new property and
   * triggers change notification if the property doesn't
   * already exist.
   */
  function set (target, key, val) {
    if (isUndef(target) || isPrimitive(target)
    ) {
      warn(("Cannot set reactive property on undefined, null, or primitive value: " + ((target))));
    }
    if (Array.isArray(target) && isValidArrayIndex(key)) {
      target.length = Math.max(target.length, key);
      target.splice(key, 1, val);
      return val
    }
    if (key in target && !(key in Object.prototype)) {
      target[key] = val;
      return val
    }
    var ob = (target).__ob__;
    if (target._isVue || (ob && ob.vmCount)) {
      warn(
        'Avoid adding reactive properties to a Vue instance or its root $data ' +
        'at runtime - declare it upfront in the data option.'
      );
      return val
    }
    if (!ob) {
      target[key] = val;
      return val
    }
    defineReactive$$1(ob.value, key, val);
    ob.dep.notify();
    return val
  }

  /**
   * Delete a property and trigger change if necessary.
   */
  function del (target, key) {
    if (isUndef(target) || isPrimitive(target)
    ) {
      warn(("Cannot delete reactive property on undefined, null, or primitive value: " + ((target))));
    }
    if (Array.isArray(target) && isValidArrayIndex(key)) {
      target.splice(key, 1);
      return
    }
    var ob = (target).__ob__;
    if (target._isVue || (ob && ob.vmCount)) {
      warn(
        'Avoid deleting properties on a Vue instance or its root $data ' +
        '- just set it to null.'
      );
      return
    }
    if (!hasOwn(target, key)) {
      return
    }
    delete target[key];
    if (!ob) {
      return
    }
    ob.dep.notify();
  }

  /**
   * Collect dependencies on array elements when the array is touched, since
   * we cannot intercept array element access like property getters.
   */
  function dependArray (value) {
    for (var e = (void 0), i = 0, l = value.length; i < l; i++) {
      e = value[i];
      e && e.__ob__ && e.__ob__.dep.depend();
      if (Array.isArray(e)) {
        dependArray(e);
      }
    }
  }

  /*  */

  /**
   * Option overwriting strategies are functions that handle
   * how to merge a parent option value and a child option
   * value into the final value.
   */
  var strats = config.optionMergeStrategies;

  /**
   * Options with restrictions
   */
  {
    strats.el = strats.propsData = function (parent, child, vm, key) {
      if (!vm) {
        warn(
          "option \"" + key + "\" can only be used during instance " +
          'creation with the `new` keyword.'
        );
      }
      return defaultStrat(parent, child)
    };
  }

  /**
   * Helper that recursively merges two data objects together.
   */
  function mergeData (to, from) {
    if (!from) { return to }
    var key, toVal, fromVal;

    var keys = hasSymbol
      ? Reflect.ownKeys(from)
      : Object.keys(from);

    for (var i = 0; i < keys.length; i++) {
      key = keys[i];
      // in case the object is already observed...
      if (key === '__ob__') { continue }
      toVal = to[key];
      fromVal = from[key];
      if (!hasOwn(to, key)) {
        set(to, key, fromVal);
      } else if (
        toVal !== fromVal &&
        isPlainObject(toVal) &&
        isPlainObject(fromVal)
      ) {
        mergeData(toVal, fromVal);
      }
    }
    return to
  }

  /**
   * Data
   */
  function mergeDataOrFn (
    parentVal,
    childVal,
    vm
  ) {
    if (!vm) {
      // in a Vue.extend merge, both should be functions
      if (!childVal) {
        return parentVal
      }
      if (!parentVal) {
        return childVal
      }
      // when parentVal & childVal are both present,
      // we need to return a function that returns the
      // merged result of both functions... no need to
      // check if parentVal is a function here because
      // it has to be a function to pass previous merges.
      return function mergedDataFn () {
        return mergeData(
          typeof childVal === 'function' ? childVal.call(this, this) : childVal,
          typeof parentVal === 'function' ? parentVal.call(this, this) : parentVal
        )
      }
    } else {
      return function mergedInstanceDataFn () {
        // instance merge
        var instanceData = typeof childVal === 'function'
          ? childVal.call(vm, vm)
          : childVal;
        var defaultData = typeof parentVal === 'function'
          ? parentVal.call(vm, vm)
          : parentVal;
        if (instanceData) {
          return mergeData(instanceData, defaultData)
        } else {
          return defaultData
        }
      }
    }
  }

  strats.data = function (
    parentVal,
    childVal,
    vm
  ) {
    if (!vm) {
      if (childVal && typeof childVal !== 'function') {
        warn(
          'The "data" option should be a function ' +
          'that returns a per-instance value in component ' +
          'definitions.',
          vm
        );

        return parentVal
      }
      return mergeDataOrFn(parentVal, childVal)
    }

    return mergeDataOrFn(parentVal, childVal, vm)
  };

  /**
   * Hooks and props are merged as arrays.
   */
  function mergeHook (
    parentVal,
    childVal
  ) {
    var res = childVal
      ? parentVal
        ? parentVal.concat(childVal)
        : Array.isArray(childVal)
          ? childVal
          : [childVal]
      : parentVal;
    return res
      ? dedupeHooks(res)
      : res
  }

  function dedupeHooks (hooks) {
    var res = [];
    for (var i = 0; i < hooks.length; i++) {
      if (res.indexOf(hooks[i]) === -1) {
        res.push(hooks[i]);
      }
    }
    return res
  }

  LIFECYCLE_HOOKS.forEach(function (hook) {
    strats[hook] = mergeHook;
  });

  /**
   * Assets
   *
   * When a vm is present (instance creation), we need to do
   * a three-way merge between constructor options, instance
   * options and parent options.
   */
  function mergeAssets (
    parentVal,
    childVal,
    vm,
    key
  ) {
    var res = Object.create(parentVal || null);
    if (childVal) {
      assertObjectType(key, childVal, vm);
      return extend(res, childVal)
    } else {
      return res
    }
  }

  ASSET_TYPES.forEach(function (type) {
    strats[type + 's'] = mergeAssets;
  });

  /**
   * Watchers.
   *
   * Watchers hashes should not overwrite one
   * another, so we merge them as arrays.
   */
  strats.watch = function (
    parentVal,
    childVal,
    vm,
    key
  ) {
    // work around Firefox's Object.prototype.watch...
    if (parentVal === nativeWatch) { parentVal = undefined; }
    if (childVal === nativeWatch) { childVal = undefined; }
    /* istanbul ignore if */
    if (!childVal) { return Object.create(parentVal || null) }
    {
      assertObjectType(key, childVal, vm);
    }
    if (!parentVal) { return childVal }
    var ret = {};
    extend(ret, parentVal);
    for (var key$1 in childVal) {
      var parent = ret[key$1];
      var child = childVal[key$1];
      if (parent && !Array.isArray(parent)) {
        parent = [parent];
      }
      ret[key$1] = parent
        ? parent.concat(child)
        : Array.isArray(child) ? child : [child];
    }
    return ret
  };

  /**
   * Other object hashes.
   */
  strats.props =
  strats.methods =
  strats.inject =
  strats.computed = function (
    parentVal,
    childVal,
    vm,
    key
  ) {
    if (childVal && "development" !== 'production') {
      assertObjectType(key, childVal, vm);
    }
    if (!parentVal) { return childVal }
    var ret = Object.create(null);
    extend(ret, parentVal);
    if (childVal) { extend(ret, childVal); }
    return ret
  };
  strats.provide = mergeDataOrFn;

  /**
   * Default strategy.
   */
  var defaultStrat = function (parentVal, childVal) {
    return childVal === undefined
      ? parentVal
      : childVal
  };

  /**
   * Validate component names
   */
  function checkComponents (options) {
    for (var key in options.components) {
      validateComponentName(key);
    }
  }

  function validateComponentName (name) {
    if (!new RegExp(("^[a-zA-Z][\\-\\.0-9_" + (unicodeRegExp.source) + "]*$")).test(name)) {
      warn(
        'Invalid component name: "' + name + '". Component names ' +
        'should conform to valid custom element name in html5 specification.'
      );
    }
    if (isBuiltInTag(name) || config.isReservedTag(name)) {
      warn(
        'Do not use built-in or reserved HTML elements as component ' +
        'id: ' + name
      );
    }
  }

  /**
   * Ensure all props option syntax are normalized into the
   * Object-based format.
   */
  function normalizeProps (options, vm) {
    var props = options.props;
    if (!props) { return }
    var res = {};
    var i, val, name;
    if (Array.isArray(props)) {
      i = props.length;
      while (i--) {
        val = props[i];
        if (typeof val === 'string') {
          name = camelize(val);
          res[name] = { type: null };
        } else {
          warn('props must be strings when using array syntax.');
        }
      }
    } else if (isPlainObject(props)) {
      for (var key in props) {
        val = props[key];
        name = camelize(key);
        res[name] = isPlainObject(val)
          ? val
          : { type: val };
      }
    } else {
      warn(
        "Invalid value for option \"props\": expected an Array or an Object, " +
        "but got " + (toRawType(props)) + ".",
        vm
      );
    }
    options.props = res;
  }

  /**
   * Normalize all injections into Object-based format
   */
  function normalizeInject (options, vm) {
    var inject = options.inject;
    if (!inject) { return }
    var normalized = options.inject = {};
    if (Array.isArray(inject)) {
      for (var i = 0; i < inject.length; i++) {
        normalized[inject[i]] = { from: inject[i] };
      }
    } else if (isPlainObject(inject)) {
      for (var key in inject) {
        var val = inject[key];
        normalized[key] = isPlainObject(val)
          ? extend({ from: key }, val)
          : { from: val };
      }
    } else {
      warn(
        "Invalid value for option \"inject\": expected an Array or an Object, " +
        "but got " + (toRawType(inject)) + ".",
        vm
      );
    }
  }

  /**
   * Normalize raw function directives into object format.
   */
  function normalizeDirectives (options) {
    var dirs = options.directives;
    if (dirs) {
      for (var key in dirs) {
        var def$$1 = dirs[key];
        if (typeof def$$1 === 'function') {
          dirs[key] = { bind: def$$1, update: def$$1 };
        }
      }
    }
  }

  function assertObjectType (name, value, vm) {
    if (!isPlainObject(value)) {
      warn(
        "Invalid value for option \"" + name + "\": expected an Object, " +
        "but got " + (toRawType(value)) + ".",
        vm
      );
    }
  }

  /**
   * Merge two option objects into a new one.
   * Core utility used in both instantiation and inheritance.
   */
  function mergeOptions (
    parent,
    child,
    vm
  ) {
    {
      checkComponents(child);
    }

    if (typeof child === 'function') {
      child = child.options;
    }

    normalizeProps(child, vm);
    normalizeInject(child, vm);
    normalizeDirectives(child);

    // Apply extends and mixins on the child options,
    // but only if it is a raw options object that isn't
    // the result of another mergeOptions call.
    // Only merged options has the _base property.
    if (!child._base) {
      if (child.extends) {
        parent = mergeOptions(parent, child.extends, vm);
      }
      if (child.mixins) {
        for (var i = 0, l = child.mixins.length; i < l; i++) {
          parent = mergeOptions(parent, child.mixins[i], vm);
        }
      }
    }

    var options = {};
    var key;
    for (key in parent) {
      mergeField(key);
    }
    for (key in child) {
      if (!hasOwn(parent, key)) {
        mergeField(key);
      }
    }
    function mergeField (key) {
      var strat = strats[key] || defaultStrat;
      options[key] = strat(parent[key], child[key], vm, key);
    }
    return options
  }

  /**
   * Resolve an asset.
   * This function is used because child instances need access
   * to assets defined in its ancestor chain.
   */
  function resolveAsset (
    options,
    type,
    id,
    warnMissing
  ) {
    /* istanbul ignore if */
    if (typeof id !== 'string') {
      return
    }
    var assets = options[type];
    // check local registration variations first
    if (hasOwn(assets, id)) { return assets[id] }
    var camelizedId = camelize(id);
    if (hasOwn(assets, camelizedId)) { return assets[camelizedId] }
    var PascalCaseId = capitalize(camelizedId);
    if (hasOwn(assets, PascalCaseId)) { return assets[PascalCaseId] }
    // fallback to prototype chain
    var res = assets[id] || assets[camelizedId] || assets[PascalCaseId];
    if (warnMissing && !res) {
      warn(
        'Failed to resolve ' + type.slice(0, -1) + ': ' + id,
        options
      );
    }
    return res
  }

  /*  */



  function validateProp (
    key,
    propOptions,
    propsData,
    vm
  ) {
    var prop = propOptions[key];
    var absent = !hasOwn(propsData, key);
    var value = propsData[key];
    // boolean casting
    var booleanIndex = getTypeIndex(Boolean, prop.type);
    if (booleanIndex > -1) {
      if (absent && !hasOwn(prop, 'default')) {
        value = false;
      } else if (value === '' || value === hyphenate(key)) {
        // only cast empty string / same name to boolean if
        // boolean has higher priority
        var stringIndex = getTypeIndex(String, prop.type);
        if (stringIndex < 0 || booleanIndex < stringIndex) {
          value = true;
        }
      }
    }
    // check default value
    if (value === undefined) {
      value = getPropDefaultValue(vm, prop, key);
      // since the default value is a fresh copy,
      // make sure to observe it.
      var prevShouldObserve = shouldObserve;
      toggleObserving(true);
      observe(value);
      toggleObserving(prevShouldObserve);
    }
    {
      assertProp(prop, key, value, vm, absent);
    }
    return value
  }

  /**
   * Get the default value of a prop.
   */
  function getPropDefaultValue (vm, prop, key) {
    // no default, return undefined
    if (!hasOwn(prop, 'default')) {
      return undefined
    }
    var def = prop.default;
    // warn against non-factory defaults for Object & Array
    if (isObject(def)) {
      warn(
        'Invalid default value for prop "' + key + '": ' +
        'Props with type Object/Array must use a factory function ' +
        'to return the default value.',
        vm
      );
    }
    // the raw prop value was also undefined from previous render,
    // return previous default value to avoid unnecessary watcher trigger
    if (vm && vm.$options.propsData &&
      vm.$options.propsData[key] === undefined &&
      vm._props[key] !== undefined
    ) {
      return vm._props[key]
    }
    // call factory function for non-Function types
    // a value is Function if its prototype is function even across different execution context
    return typeof def === 'function' && getType(prop.type) !== 'Function'
      ? def.call(vm)
      : def
  }

  /**
   * Assert whether a prop is valid.
   */
  function assertProp (
    prop,
    name,
    value,
    vm,
    absent
  ) {
    if (prop.required && absent) {
      warn(
        'Missing required prop: "' + name + '"',
        vm
      );
      return
    }
    if (value == null && !prop.required) {
      return
    }
    var type = prop.type;
    var valid = !type || type === true;
    var expectedTypes = [];
    if (type) {
      if (!Array.isArray(type)) {
        type = [type];
      }
      for (var i = 0; i < type.length && !valid; i++) {
        var assertedType = assertType(value, type[i]);
        expectedTypes.push(assertedType.expectedType || '');
        valid = assertedType.valid;
      }
    }

    if (!valid) {
      warn(
        getInvalidTypeMessage(name, value, expectedTypes),
        vm
      );
      return
    }
    var validator = prop.validator;
    if (validator) {
      if (!validator(value)) {
        warn(
          'Invalid prop: custom validator check failed for prop "' + name + '".',
          vm
        );
      }
    }
  }

  var simpleCheckRE = /^(String|Number|Boolean|Function|Symbol)$/;

  function assertType (value, type) {
    var valid;
    var expectedType = getType(type);
    if (simpleCheckRE.test(expectedType)) {
      var t = typeof value;
      valid = t === expectedType.toLowerCase();
      // for primitive wrapper objects
      if (!valid && t === 'object') {
        valid = value instanceof type;
      }
    } else if (expectedType === 'Object') {
      valid = isPlainObject(value);
    } else if (expectedType === 'Array') {
      valid = Array.isArray(value);
    } else {
      valid = value instanceof type;
    }
    return {
      valid: valid,
      expectedType: expectedType
    }
  }

  /**
   * Use function string name to check built-in types,
   * because a simple equality check will fail when running
   * across different vms / iframes.
   */
  function getType (fn) {
    var match = fn && fn.toString().match(/^\s*function (\w+)/);
    return match ? match[1] : ''
  }

  function isSameType (a, b) {
    return getType(a) === getType(b)
  }

  function getTypeIndex (type, expectedTypes) {
    if (!Array.isArray(expectedTypes)) {
      return isSameType(expectedTypes, type) ? 0 : -1
    }
    for (var i = 0, len = expectedTypes.length; i < len; i++) {
      if (isSameType(expectedTypes[i], type)) {
        return i
      }
    }
    return -1
  }

  function getInvalidTypeMessage (name, value, expectedTypes) {
    var message = "Invalid prop: type check failed for prop \"" + name + "\"." +
      " Expected " + (expectedTypes.map(capitalize).join(', '));
    var expectedType = expectedTypes[0];
    var receivedType = toRawType(value);
    var expectedValue = styleValue(value, expectedType);
    var receivedValue = styleValue(value, receivedType);
    // check if we need to specify expected value
    if (expectedTypes.length === 1 &&
        isExplicable(expectedType) &&
        !isBoolean(expectedType, receivedType)) {
      message += " with value " + expectedValue;
    }
    message += ", got " + receivedType + " ";
    // check if we need to specify received value
    if (isExplicable(receivedType)) {
      message += "with value " + receivedValue + ".";
    }
    return message
  }

  function styleValue (value, type) {
    if (type === 'String') {
      return ("\"" + value + "\"")
    } else if (type === 'Number') {
      return ("" + (Number(value)))
    } else {
      return ("" + value)
    }
  }

  function isExplicable (value) {
    var explicitTypes = ['string', 'number', 'boolean'];
    return explicitTypes.some(function (elem) { return value.toLowerCase() === elem; })
  }

  function isBoolean () {
    var args = [], len = arguments.length;
    while ( len-- ) args[ len ] = arguments[ len ];

    return args.some(function (elem) { return elem.toLowerCase() === 'boolean'; })
  }

  /*  */

  function handleError (err, vm, info) {
    // Deactivate deps tracking while processing error handler to avoid possible infinite rendering.
    // See: https://github.com/vuejs/vuex/issues/1505
    pushTarget();
    try {
      if (vm) {
        var cur = vm;
        while ((cur = cur.$parent)) {
          var hooks = cur.$options.errorCaptured;
          if (hooks) {
            for (var i = 0; i < hooks.length; i++) {
              try {
                var capture = hooks[i].call(cur, err, vm, info) === false;
                if (capture) { return }
              } catch (e) {
                globalHandleError(e, cur, 'errorCaptured hook');
              }
            }
          }
        }
      }
      globalHandleError(err, vm, info);
    } finally {
      popTarget();
    }
  }

  function invokeWithErrorHandling (
    handler,
    context,
    args,
    vm,
    info
  ) {
    var res;
    try {
      res = args ? handler.apply(context, args) : handler.call(context);
      if (res && !res._isVue && isPromise(res) && !res._handled) {
        res.catch(function (e) { return handleError(e, vm, info + " (Promise/async)"); });
        // issue #9511
        // avoid catch triggering multiple times when nested calls
        res._handled = true;
      }
    } catch (e) {
      handleError(e, vm, info);
    }
    return res
  }

  function globalHandleError (err, vm, info) {
    if (config.errorHandler) {
      try {
        return config.errorHandler.call(null, err, vm, info)
      } catch (e) {
        // if the user intentionally throws the original error in the handler,
        // do not log it twice
        if (e !== err) {
          logError(e, null, 'config.errorHandler');
        }
      }
    }
    logError(err, vm, info);
  }

  function logError (err, vm, info) {
    {
      warn(("Error in " + info + ": \"" + (err.toString()) + "\""), vm);
    }
    /* istanbul ignore else */
    if ((inBrowser || inWeex) && typeof console !== 'undefined') {
      console.error(err);
    } else {
      throw err
    }
  }

  /*  */

  var isUsingMicroTask = false;

  var callbacks = [];
  var pending = false;

  function flushCallbacks () {
    pending = false;
    var copies = callbacks.slice(0);
    callbacks.length = 0;
    for (var i = 0; i < copies.length; i++) {
      copies[i]();
    }
  }

  // Here we have async deferring wrappers using microtasks.
  // In 2.5 we used (macro) tasks (in combination with microtasks).
  // However, it has subtle problems when state is changed right before repaint
  // (e.g. #6813, out-in transitions).
  // Also, using (macro) tasks in event handler would cause some weird behaviors
  // that cannot be circumvented (e.g. #7109, #7153, #7546, #7834, #8109).
  // So we now use microtasks everywhere, again.
  // A major drawback of this tradeoff is that there are some scenarios
  // where microtasks have too high a priority and fire in between supposedly
  // sequential events (e.g. #4521, #6690, which have workarounds)
  // or even between bubbling of the same event (#6566).
  var timerFunc;

  // The nextTick behavior leverages the microtask queue, which can be accessed
  // via either native Promise.then or MutationObserver.
  // MutationObserver has wider support, however it is seriously bugged in
  // UIWebView in iOS >= 9.3.3 when triggered in touch event handlers. It
  // completely stops working after triggering a few times... so, if native
  // Promise is available, we will use it:
  /* istanbul ignore next, $flow-disable-line */
  if (typeof Promise !== 'undefined' && isNative(Promise)) {
    var p = Promise.resolve();
    timerFunc = function () {
      p.then(flushCallbacks);
      // In problematic UIWebViews, Promise.then doesn't completely break, but
      // it can get stuck in a weird state where callbacks are pushed into the
      // microtask queue but the queue isn't being flushed, until the browser
      // needs to do some other work, e.g. handle a timer. Therefore we can
      // "force" the microtask queue to be flushed by adding an empty timer.
      if (isIOS) { setTimeout(noop); }
    };
    isUsingMicroTask = true;
  } else if (!isIE && typeof MutationObserver !== 'undefined' && (
    isNative(MutationObserver) ||
    // PhantomJS and iOS 7.x
    MutationObserver.toString() === '[object MutationObserverConstructor]'
  )) {
    // Use MutationObserver where native Promise is not available,
    // e.g. PhantomJS, iOS7, Android 4.4
    // (#6466 MutationObserver is unreliable in IE11)
    var counter = 1;
    var observer = new MutationObserver(flushCallbacks);
    var textNode = document.createTextNode(String(counter));
    observer.observe(textNode, {
      characterData: true
    });
    timerFunc = function () {
      counter = (counter + 1) % 2;
      textNode.data = String(counter);
    };
    isUsingMicroTask = true;
  } else if (typeof setImmediate !== 'undefined' && isNative(setImmediate)) {
    // Fallback to setImmediate.
    // Techinically it leverages the (macro) task queue,
    // but it is still a better choice than setTimeout.
    timerFunc = function () {
      setImmediate(flushCallbacks);
    };
  } else {
    // Fallback to setTimeout.
    timerFunc = function () {
      setTimeout(flushCallbacks, 0);
    };
  }

  function nextTick (cb, ctx) {
    var _resolve;
    callbacks.push(function () {
      if (cb) {
        try {
          cb.call(ctx);
        } catch (e) {
          handleError(e, ctx, 'nextTick');
        }
      } else if (_resolve) {
        _resolve(ctx);
      }
    });
    if (!pending) {
      pending = true;
      timerFunc();
    }
    // $flow-disable-line
    if (!cb && typeof Promise !== 'undefined') {
      return new Promise(function (resolve) {
        _resolve = resolve;
      })
    }
  }

  /*  */

  var mark;
  var measure;

  {
    var perf = inBrowser && window.performance;
    /* istanbul ignore if */
    if (
      perf &&
      perf.mark &&
      perf.measure &&
      perf.clearMarks &&
      perf.clearMeasures
    ) {
      mark = function (tag) { return perf.mark(tag); };
      measure = function (name, startTag, endTag) {
        perf.measure(name, startTag, endTag);
        perf.clearMarks(startTag);
        perf.clearMarks(endTag);
        // perf.clearMeasures(name)
      };
    }
  }

  /* not type checking this file because flow doesn't play well with Proxy */

  var initProxy;

  {
    var allowedGlobals = makeMap(
      'Infinity,undefined,NaN,isFinite,isNaN,' +
      'parseFloat,parseInt,decodeURI,decodeURIComponent,encodeURI,encodeURIComponent,' +
      'Math,Number,Date,Array,Object,Boolean,String,RegExp,Map,Set,JSON,Intl,' +
      'require' // for Webpack/Browserify
    );

    var warnNonPresent = function (target, key) {
      warn(
        "Property or method \"" + key + "\" is not defined on the instance but " +
        'referenced during render. Make sure that this property is reactive, ' +
        'either in the data option, or for class-based components, by ' +
        'initializing the property. ' +
        'See: https://vuejs.org/v2/guide/reactivity.html#Declaring-Reactive-Properties.',
        target
      );
    };

    var warnReservedPrefix = function (target, key) {
      warn(
        "Property \"" + key + "\" must be accessed with \"$data." + key + "\" because " +
        'properties starting with "$" or "_" are not proxied in the Vue instance to ' +
        'prevent conflicts with Vue internals' +
        'See: https://vuejs.org/v2/api/#data',
        target
      );
    };

    var hasProxy =
      typeof Proxy !== 'undefined' && isNative(Proxy);

    if (hasProxy) {
      var isBuiltInModifier = makeMap('stop,prevent,self,ctrl,shift,alt,meta,exact');
      config.keyCodes = new Proxy(config.keyCodes, {
        set: function set (target, key, value) {
          if (isBuiltInModifier(key)) {
            warn(("Avoid overwriting built-in modifier in config.keyCodes: ." + key));
            return false
          } else {
            target[key] = value;
            return true
          }
        }
      });
    }

    var hasHandler = {
      has: function has (target, key) {
        var has = key in target;
        var isAllowed = allowedGlobals(key) ||
          (typeof key === 'string' && key.charAt(0) === '_' && !(key in target.$data));
        if (!has && !isAllowed) {
          if (key in target.$data) { warnReservedPrefix(target, key); }
          else { warnNonPresent(target, key); }
        }
        return has || !isAllowed
      }
    };

    var getHandler = {
      get: function get (target, key) {
        if (typeof key === 'string' && !(key in target)) {
          if (key in target.$data) { warnReservedPrefix(target, key); }
          else { warnNonPresent(target, key); }
        }
        return target[key]
      }
    };

    initProxy = function initProxy (vm) {
      if (hasProxy) {
        // determine which proxy handler to use
        var options = vm.$options;
        var handlers = options.render && options.render._withStripped
          ? getHandler
          : hasHandler;
        vm._renderProxy = new Proxy(vm, handlers);
      } else {
        vm._renderProxy = vm;
      }
    };
  }

  /*  */

  var seenObjects = new _Set();

  /**
   * Recursively traverse an object to evoke all converted
   * getters, so that every nested property inside the object
   * is collected as a "deep" dependency.
   */
  function traverse (val) {
    _traverse(val, seenObjects);
    seenObjects.clear();
  }

  function _traverse (val, seen) {
    var i, keys;
    var isA = Array.isArray(val);
    if ((!isA && !isObject(val)) || Object.isFrozen(val) || val instanceof VNode) {
      return
    }
    if (val.__ob__) {
      var depId = val.__ob__.dep.id;
      if (seen.has(depId)) {
        return
      }
      seen.add(depId);
    }
    if (isA) {
      i = val.length;
      while (i--) { _traverse(val[i], seen); }
    } else {
      keys = Object.keys(val);
      i = keys.length;
      while (i--) { _traverse(val[keys[i]], seen); }
    }
  }

  /*  */

  var normalizeEvent = cached(function (name) {
    var passive = name.charAt(0) === '&';
    name = passive ? name.slice(1) : name;
    var once$$1 = name.charAt(0) === '~'; // Prefixed last, checked first
    name = once$$1 ? name.slice(1) : name;
    var capture = name.charAt(0) === '!';
    name = capture ? name.slice(1) : name;
    return {
      name: name,
      once: once$$1,
      capture: capture,
      passive: passive
    }
  });

  function createFnInvoker (fns, vm) {
    function invoker () {
      var arguments$1 = arguments;

      var fns = invoker.fns;
      if (Array.isArray(fns)) {
        var cloned = fns.slice();
        for (var i = 0; i < cloned.length; i++) {
          invokeWithErrorHandling(cloned[i], null, arguments$1, vm, "v-on handler");
        }
      } else {
        // return handler return value for single handlers
        return invokeWithErrorHandling(fns, null, arguments, vm, "v-on handler")
      }
    }
    invoker.fns = fns;
    return invoker
  }

  function updateListeners (
    on,
    oldOn,
    add,
    remove$$1,
    createOnceHandler,
    vm
  ) {
    var name, def$$1, cur, old, event;
    for (name in on) {
      def$$1 = cur = on[name];
      old = oldOn[name];
      event = normalizeEvent(name);
      if (isUndef(cur)) {
        warn(
          "Invalid handler for event \"" + (event.name) + "\": got " + String(cur),
          vm
        );
      } else if (isUndef(old)) {
        if (isUndef(cur.fns)) {
          cur = on[name] = createFnInvoker(cur, vm);
        }
        if (isTrue(event.once)) {
          cur = on[name] = createOnceHandler(event.name, cur, event.capture);
        }
        add(event.name, cur, event.capture, event.passive, event.params);
      } else if (cur !== old) {
        old.fns = cur;
        on[name] = old;
      }
    }
    for (name in oldOn) {
      if (isUndef(on[name])) {
        event = normalizeEvent(name);
        remove$$1(event.name, oldOn[name], event.capture);
      }
    }
  }

  /*  */

  function mergeVNodeHook (def, hookKey, hook) {
    if (def instanceof VNode) {
      def = def.data.hook || (def.data.hook = {});
    }
    var invoker;
    var oldHook = def[hookKey];

    function wrappedHook () {
      hook.apply(this, arguments);
      // important: remove merged hook to ensure it's called only once
      // and prevent memory leak
      remove(invoker.fns, wrappedHook);
    }

    if (isUndef(oldHook)) {
      // no existing hook
      invoker = createFnInvoker([wrappedHook]);
    } else {
      /* istanbul ignore if */
      if (isDef(oldHook.fns) && isTrue(oldHook.merged)) {
        // already a merged invoker
        invoker = oldHook;
        invoker.fns.push(wrappedHook);
      } else {
        // existing plain hook
        invoker = createFnInvoker([oldHook, wrappedHook]);
      }
    }

    invoker.merged = true;
    def[hookKey] = invoker;
  }

  /*  */

  function extractPropsFromVNodeData (
    data,
    Ctor,
    tag
  ) {
    // we are only extracting raw values here.
    // validation and default values are handled in the child
    // component itself.
    var propOptions = Ctor.options.props;
    if (isUndef(propOptions)) {
      return
    }
    var res = {};
    var attrs = data.attrs;
    var props = data.props;
    if (isDef(attrs) || isDef(props)) {
      for (var key in propOptions) {
        var altKey = hyphenate(key);
        {
          var keyInLowerCase = key.toLowerCase();
          if (
            key !== keyInLowerCase &&
            attrs && hasOwn(attrs, keyInLowerCase)
          ) {
            tip(
              "Prop \"" + keyInLowerCase + "\" is passed to component " +
              (formatComponentName(tag || Ctor)) + ", but the declared prop name is" +
              " \"" + key + "\". " +
              "Note that HTML attributes are case-insensitive and camelCased " +
              "props need to use their kebab-case equivalents when using in-DOM " +
              "templates. You should probably use \"" + altKey + "\" instead of \"" + key + "\"."
            );
          }
        }
        checkProp(res, props, key, altKey, true) ||
        checkProp(res, attrs, key, altKey, false);
      }
    }
    return res
  }

  function checkProp (
    res,
    hash,
    key,
    altKey,
    preserve
  ) {
    if (isDef(hash)) {
      if (hasOwn(hash, key)) {
        res[key] = hash[key];
        if (!preserve) {
          delete hash[key];
        }
        return true
      } else if (hasOwn(hash, altKey)) {
        res[key] = hash[altKey];
        if (!preserve) {
          delete hash[altKey];
        }
        return true
      }
    }
    return false
  }

  /*  */

  // The template compiler attempts to minimize the need for normalization by
  // statically analyzing the template at compile time.
  //
  // For plain HTML markup, normalization can be completely skipped because the
  // generated render function is guaranteed to return Array<VNode>. There are
  // two cases where extra normalization is needed:

  // 1. When the children contains components - because a functional component
  // may return an Array instead of a single root. In this case, just a simple
  // normalization is needed - if any child is an Array, we flatten the whole
  // thing with Array.prototype.concat. It is guaranteed to be only 1-level deep
  // because functional components already normalize their own children.
  function simpleNormalizeChildren (children) {
    for (var i = 0; i < children.length; i++) {
      if (Array.isArray(children[i])) {
        return Array.prototype.concat.apply([], children)
      }
    }
    return children
  }

  // 2. When the children contains constructs that always generated nested Arrays,
  // e.g. <template>, <slot>, v-for, or when the children is provided by user
  // with hand-written render functions / JSX. In such cases a full normalization
  // is needed to cater to all possible types of children values.
  function normalizeChildren (children) {
    return isPrimitive(children)
      ? [createTextVNode(children)]
      : Array.isArray(children)
        ? normalizeArrayChildren(children)
        : undefined
  }

  function isTextNode (node) {
    return isDef(node) && isDef(node.text) && isFalse(node.isComment)
  }

  function normalizeArrayChildren (children, nestedIndex) {
    var res = [];
    var i, c, lastIndex, last;
    for (i = 0; i < children.length; i++) {
      c = children[i];
      if (isUndef(c) || typeof c === 'boolean') { continue }
      lastIndex = res.length - 1;
      last = res[lastIndex];
      //  nested
      if (Array.isArray(c)) {
        if (c.length > 0) {
          c = normalizeArrayChildren(c, ((nestedIndex || '') + "_" + i));
          // merge adjacent text nodes
          if (isTextNode(c[0]) && isTextNode(last)) {
            res[lastIndex] = createTextVNode(last.text + (c[0]).text);
            c.shift();
          }
          res.push.apply(res, c);
        }
      } else if (isPrimitive(c)) {
        if (isTextNode(last)) {
          // merge adjacent text nodes
          // this is necessary for SSR hydration because text nodes are
          // essentially merged when rendered to HTML strings
          res[lastIndex] = createTextVNode(last.text + c);
        } else if (c !== '') {
          // convert primitive to vnode
          res.push(createTextVNode(c));
        }
      } else {
        if (isTextNode(c) && isTextNode(last)) {
          // merge adjacent text nodes
          res[lastIndex] = createTextVNode(last.text + c.text);
        } else {
          // default key for nested array children (likely generated by v-for)
          if (isTrue(children._isVList) &&
            isDef(c.tag) &&
            isUndef(c.key) &&
            isDef(nestedIndex)) {
            c.key = "__vlist" + nestedIndex + "_" + i + "__";
          }
          res.push(c);
        }
      }
    }
    return res
  }

  /*  */

  function initProvide (vm) {
    var provide = vm.$options.provide;
    if (provide) {
      vm._provided = typeof provide === 'function'
        ? provide.call(vm)
        : provide;
    }
  }

  function initInjections (vm) {
    var result = resolveInject(vm.$options.inject, vm);
    if (result) {
      toggleObserving(false);
      Object.keys(result).forEach(function (key) {
        /* istanbul ignore else */
        {
          defineReactive$$1(vm, key, result[key], function () {
            warn(
              "Avoid mutating an injected value directly since the changes will be " +
              "overwritten whenever the provided component re-renders. " +
              "injection being mutated: \"" + key + "\"",
              vm
            );
          });
        }
      });
      toggleObserving(true);
    }
  }

  function resolveInject (inject, vm) {
    if (inject) {
      // inject is :any because flow is not smart enough to figure out cached
      var result = Object.create(null);
      var keys = hasSymbol
        ? Reflect.ownKeys(inject)
        : Object.keys(inject);

      for (var i = 0; i < keys.length; i++) {
        var key = keys[i];
        // #6574 in case the inject object is observed...
        if (key === '__ob__') { continue }
        var provideKey = inject[key].from;
        var source = vm;
        while (source) {
          if (source._provided && hasOwn(source._provided, provideKey)) {
            result[key] = source._provided[provideKey];
            break
          }
          source = source.$parent;
        }
        if (!source) {
          if ('default' in inject[key]) {
            var provideDefault = inject[key].default;
            result[key] = typeof provideDefault === 'function'
              ? provideDefault.call(vm)
              : provideDefault;
          } else {
            warn(("Injection \"" + key + "\" not found"), vm);
          }
        }
      }
      return result
    }
  }

  /*  */



  /**
   * Runtime helper for resolving raw children VNodes into a slot object.
   */
  function resolveSlots (
    children,
    context
  ) {
    if (!children || !children.length) {
      return {}
    }
    var slots = {};
    for (var i = 0, l = children.length; i < l; i++) {
      var child = children[i];
      var data = child.data;
      // remove slot attribute if the node is resolved as a Vue slot node
      if (data && data.attrs && data.attrs.slot) {
        delete data.attrs.slot;
      }
      // named slots should only be respected if the vnode was rendered in the
      // same context.
      if ((child.context === context || child.fnContext === context) &&
        data && data.slot != null
      ) {
        var name = data.slot;
        var slot = (slots[name] || (slots[name] = []));
        if (child.tag === 'template') {
          slot.push.apply(slot, child.children || []);
        } else {
          slot.push(child);
        }
      } else {
        (slots.default || (slots.default = [])).push(child);
      }
    }
    // ignore slots that contains only whitespace
    for (var name$1 in slots) {
      if (slots[name$1].every(isWhitespace)) {
        delete slots[name$1];
      }
    }
    return slots
  }

  function isWhitespace (node) {
    return (node.isComment && !node.asyncFactory) || node.text === ' '
  }

  /*  */

  function normalizeScopedSlots (
    slots,
    normalSlots,
    prevSlots
  ) {
    var res;
    var hasNormalSlots = Object.keys(normalSlots).length > 0;
    var isStable = slots ? !!slots.$stable : !hasNormalSlots;
    var key = slots && slots.$key;
    if (!slots) {
      res = {};
    } else if (slots._normalized) {
      // fast path 1: child component re-render only, parent did not change
      return slots._normalized
    } else if (
      isStable &&
      prevSlots &&
      prevSlots !== emptyObject &&
      key === prevSlots.$key &&
      !hasNormalSlots &&
      !prevSlots.$hasNormal
    ) {
      // fast path 2: stable scoped slots w/ no normal slots to proxy,
      // only need to normalize once
      return prevSlots
    } else {
      res = {};
      for (var key$1 in slots) {
        if (slots[key$1] && key$1[0] !== '$') {
          res[key$1] = normalizeScopedSlot(normalSlots, key$1, slots[key$1]);
        }
      }
    }
    // expose normal slots on scopedSlots
    for (var key$2 in normalSlots) {
      if (!(key$2 in res)) {
        res[key$2] = proxyNormalSlot(normalSlots, key$2);
      }
    }
    // avoriaz seems to mock a non-extensible $scopedSlots object
    // and when that is passed down this would cause an error
    if (slots && Object.isExtensible(slots)) {
      (slots)._normalized = res;
    }
    def(res, '$stable', isStable);
    def(res, '$key', key);
    def(res, '$hasNormal', hasNormalSlots);
    return res
  }

  function normalizeScopedSlot(normalSlots, key, fn) {
    var normalized = function () {
      var res = arguments.length ? fn.apply(null, arguments) : fn({});
      res = res && typeof res === 'object' && !Array.isArray(res)
        ? [res] // single vnode
        : normalizeChildren(res);
      return res && (
        res.length === 0 ||
        (res.length === 1 && res[0].isComment) // #9658
      ) ? undefined
        : res
    };
    // this is a slot using the new v-slot syntax without scope. although it is
    // compiled as a scoped slot, render fn users would expect it to be present
    // on this.$slots because the usage is semantically a normal slot.
    if (fn.proxy) {
      Object.defineProperty(normalSlots, key, {
        get: normalized,
        enumerable: true,
        configurable: true
      });
    }
    return normalized
  }

  function proxyNormalSlot(slots, key) {
    return function () { return slots[key]; }
  }

  /*  */

  /**
   * Runtime helper for rendering v-for lists.
   */
  function renderList (
    val,
    render
  ) {
    var ret, i, l, keys, key;
    if (Array.isArray(val) || typeof val === 'string') {
      ret = new Array(val.length);
      for (i = 0, l = val.length; i < l; i++) {
        ret[i] = render(val[i], i);
      }
    } else if (typeof val === 'number') {
      ret = new Array(val);
      for (i = 0; i < val; i++) {
        ret[i] = render(i + 1, i);
      }
    } else if (isObject(val)) {
      if (hasSymbol && val[Symbol.iterator]) {
        ret = [];
        var iterator = val[Symbol.iterator]();
        var result = iterator.next();
        while (!result.done) {
          ret.push(render(result.value, ret.length));
          result = iterator.next();
        }
      } else {
        keys = Object.keys(val);
        ret = new Array(keys.length);
        for (i = 0, l = keys.length; i < l; i++) {
          key = keys[i];
          ret[i] = render(val[key], key, i);
        }
      }
    }
    if (!isDef(ret)) {
      ret = [];
    }
    (ret)._isVList = true;
    return ret
  }

  /*  */

  /**
   * Runtime helper for rendering <slot>
   */
  function renderSlot (
    name,
    fallback,
    props,
    bindObject
  ) {
    var scopedSlotFn = this.$scopedSlots[name];
    var nodes;
    if (scopedSlotFn) { // scoped slot
      props = props || {};
      if (bindObject) {
        if (!isObject(bindObject)) {
          warn(
            'slot v-bind without argument expects an Object',
            this
          );
        }
        props = extend(extend({}, bindObject), props);
      }
      nodes = scopedSlotFn(props) || fallback;
    } else {
      nodes = this.$slots[name] || fallback;
    }

    var target = props && props.slot;
    if (target) {
      return this.$createElement('template', { slot: target }, nodes)
    } else {
      return nodes
    }
  }

  /*  */

  /**
   * Runtime helper for resolving filters
   */
  function resolveFilter (id) {
    return resolveAsset(this.$options, 'filters', id, true) || identity
  }

  /*  */

  function isKeyNotMatch (expect, actual) {
    if (Array.isArray(expect)) {
      return expect.indexOf(actual) === -1
    } else {
      return expect !== actual
    }
  }

  /**
   * Runtime helper for checking keyCodes from config.
   * exposed as Vue.prototype._k
   * passing in eventKeyName as last argument separately for backwards compat
   */
  function checkKeyCodes (
    eventKeyCode,
    key,
    builtInKeyCode,
    eventKeyName,
    builtInKeyName
  ) {
    var mappedKeyCode = config.keyCodes[key] || builtInKeyCode;
    if (builtInKeyName && eventKeyName && !config.keyCodes[key]) {
      return isKeyNotMatch(builtInKeyName, eventKeyName)
    } else if (mappedKeyCode) {
      return isKeyNotMatch(mappedKeyCode, eventKeyCode)
    } else if (eventKeyName) {
      return hyphenate(eventKeyName) !== key
    }
  }

  /*  */

  /**
   * Runtime helper for merging v-bind="object" into a VNode's data.
   */
  function bindObjectProps (
    data,
    tag,
    value,
    asProp,
    isSync
  ) {
    if (value) {
      if (!isObject(value)) {
        warn(
          'v-bind without argument expects an Object or Array value',
          this
        );
      } else {
        if (Array.isArray(value)) {
          value = toObject(value);
        }
        var hash;
        var loop = function ( key ) {
          if (
            key === 'class' ||
            key === 'style' ||
            isReservedAttribute(key)
          ) {
            hash = data;
          } else {
            var type = data.attrs && data.attrs.type;
            hash = asProp || config.mustUseProp(tag, type, key)
              ? data.domProps || (data.domProps = {})
              : data.attrs || (data.attrs = {});
          }
          var camelizedKey = camelize(key);
          var hyphenatedKey = hyphenate(key);
          if (!(camelizedKey in hash) && !(hyphenatedKey in hash)) {
            hash[key] = value[key];

            if (isSync) {
              var on = data.on || (data.on = {});
              on[("update:" + key)] = function ($event) {
                value[key] = $event;
              };
            }
          }
        };

        for (var key in value) loop( key );
      }
    }
    return data
  }

  /*  */

  /**
   * Runtime helper for rendering static trees.
   */
  function renderStatic (
    index,
    isInFor
  ) {
    var cached = this._staticTrees || (this._staticTrees = []);
    var tree = cached[index];
    // if has already-rendered static tree and not inside v-for,
    // we can reuse the same tree.
    if (tree && !isInFor) {
      return tree
    }
    // otherwise, render a fresh tree.
    tree = cached[index] = this.$options.staticRenderFns[index].call(
      this._renderProxy,
      null,
      this // for render fns generated for functional component templates
    );
    markStatic(tree, ("__static__" + index), false);
    return tree
  }

  /**
   * Runtime helper for v-once.
   * Effectively it means marking the node as static with a unique key.
   */
  function markOnce (
    tree,
    index,
    key
  ) {
    markStatic(tree, ("__once__" + index + (key ? ("_" + key) : "")), true);
    return tree
  }

  function markStatic (
    tree,
    key,
    isOnce
  ) {
    if (Array.isArray(tree)) {
      for (var i = 0; i < tree.length; i++) {
        if (tree[i] && typeof tree[i] !== 'string') {
          markStaticNode(tree[i], (key + "_" + i), isOnce);
        }
      }
    } else {
      markStaticNode(tree, key, isOnce);
    }
  }

  function markStaticNode (node, key, isOnce) {
    node.isStatic = true;
    node.key = key;
    node.isOnce = isOnce;
  }

  /*  */

  function bindObjectListeners (data, value) {
    if (value) {
      if (!isPlainObject(value)) {
        warn(
          'v-on without argument expects an Object value',
          this
        );
      } else {
        var on = data.on = data.on ? extend({}, data.on) : {};
        for (var key in value) {
          var existing = on[key];
          var ours = value[key];
          on[key] = existing ? [].concat(existing, ours) : ours;
        }
      }
    }
    return data
  }

  /*  */

  function resolveScopedSlots (
    fns, // see flow/vnode
    res,
    // the following are added in 2.6
    hasDynamicKeys,
    contentHashKey
  ) {
    res = res || { $stable: !hasDynamicKeys };
    for (var i = 0; i < fns.length; i++) {
      var slot = fns[i];
      if (Array.isArray(slot)) {
        resolveScopedSlots(slot, res, hasDynamicKeys);
      } else if (slot) {
        // marker for reverse proxying v-slot without scope on this.$slots
        if (slot.proxy) {
          slot.fn.proxy = true;
        }
        res[slot.key] = slot.fn;
      }
    }
    if (contentHashKey) {
      (res).$key = contentHashKey;
    }
    return res
  }

  /*  */

  function bindDynamicKeys (baseObj, values) {
    for (var i = 0; i < values.length; i += 2) {
      var key = values[i];
      if (typeof key === 'string' && key) {
        baseObj[values[i]] = values[i + 1];
      } else if (key !== '' && key !== null) {
        // null is a speical value for explicitly removing a binding
        warn(
          ("Invalid value for dynamic directive argument (expected string or null): " + key),
          this
        );
      }
    }
    return baseObj
  }

  // helper to dynamically append modifier runtime markers to event names.
  // ensure only append when value is already string, otherwise it will be cast
  // to string and cause the type check to miss.
  function prependModifier (value, symbol) {
    return typeof value === 'string' ? symbol + value : value
  }

  /*  */

  function installRenderHelpers (target) {
    target._o = markOnce;
    target._n = toNumber;
    target._s = toString;
    target._l = renderList;
    target._t = renderSlot;
    target._q = looseEqual;
    target._i = looseIndexOf;
    target._m = renderStatic;
    target._f = resolveFilter;
    target._k = checkKeyCodes;
    target._b = bindObjectProps;
    target._v = createTextVNode;
    target._e = createEmptyVNode;
    target._u = resolveScopedSlots;
    target._g = bindObjectListeners;
    target._d = bindDynamicKeys;
    target._p = prependModifier;
  }

  /*  */

  function FunctionalRenderContext (
    data,
    props,
    children,
    parent,
    Ctor
  ) {
    var this$1 = this;

    var options = Ctor.options;
    // ensure the createElement function in functional components
    // gets a unique context - this is necessary for correct named slot check
    var contextVm;
    if (hasOwn(parent, '_uid')) {
      contextVm = Object.create(parent);
      // $flow-disable-line
      contextVm._original = parent;
    } else {
      // the context vm passed in is a functional context as well.
      // in this case we want to make sure we are able to get a hold to the
      // real context instance.
      contextVm = parent;
      // $flow-disable-line
      parent = parent._original;
    }
    var isCompiled = isTrue(options._compiled);
    var needNormalization = !isCompiled;

    this.data = data;
    this.props = props;
    this.children = children;
    this.parent = parent;
    this.listeners = data.on || emptyObject;
    this.injections = resolveInject(options.inject, parent);
    this.slots = function () {
      if (!this$1.$slots) {
        normalizeScopedSlots(
          data.scopedSlots,
          this$1.$slots = resolveSlots(children, parent)
        );
      }
      return this$1.$slots
    };

    Object.defineProperty(this, 'scopedSlots', ({
      enumerable: true,
      get: function get () {
        return normalizeScopedSlots(data.scopedSlots, this.slots())
      }
    }));

    // support for compiled functional template
    if (isCompiled) {
      // exposing $options for renderStatic()
      this.$options = options;
      // pre-resolve slots for renderSlot()
      this.$slots = this.slots();
      this.$scopedSlots = normalizeScopedSlots(data.scopedSlots, this.$slots);
    }

    if (options._scopeId) {
      this._c = function (a, b, c, d) {
        var vnode = createElement(contextVm, a, b, c, d, needNormalization);
        if (vnode && !Array.isArray(vnode)) {
          vnode.fnScopeId = options._scopeId;
          vnode.fnContext = parent;
        }
        return vnode
      };
    } else {
      this._c = function (a, b, c, d) { return createElement(contextVm, a, b, c, d, needNormalization); };
    }
  }

  installRenderHelpers(FunctionalRenderContext.prototype);

  function createFunctionalComponent (
    Ctor,
    propsData,
    data,
    contextVm,
    children
  ) {
    var options = Ctor.options;
    var props = {};
    var propOptions = options.props;
    if (isDef(propOptions)) {
      for (var key in propOptions) {
        props[key] = validateProp(key, propOptions, propsData || emptyObject);
      }
    } else {
      if (isDef(data.attrs)) { mergeProps(props, data.attrs); }
      if (isDef(data.props)) { mergeProps(props, data.props); }
    }

    var renderContext = new FunctionalRenderContext(
      data,
      props,
      children,
      contextVm,
      Ctor
    );

    var vnode = options.render.call(null, renderContext._c, renderContext);

    if (vnode instanceof VNode) {
      return cloneAndMarkFunctionalResult(vnode, data, renderContext.parent, options, renderContext)
    } else if (Array.isArray(vnode)) {
      var vnodes = normalizeChildren(vnode) || [];
      var res = new Array(vnodes.length);
      for (var i = 0; i < vnodes.length; i++) {
        res[i] = cloneAndMarkFunctionalResult(vnodes[i], data, renderContext.parent, options, renderContext);
      }
      return res
    }
  }

  function cloneAndMarkFunctionalResult (vnode, data, contextVm, options, renderContext) {
    // #7817 clone node before setting fnContext, otherwise if the node is reused
    // (e.g. it was from a cached normal slot) the fnContext causes named slots
    // that should not be matched to match.
    var clone = cloneVNode(vnode);
    clone.fnContext = contextVm;
    clone.fnOptions = options;
    {
      (clone.devtoolsMeta = clone.devtoolsMeta || {}).renderContext = renderContext;
    }
    if (data.slot) {
      (clone.data || (clone.data = {})).slot = data.slot;
    }
    return clone
  }

  function mergeProps (to, from) {
    for (var key in from) {
      to[camelize(key)] = from[key];
    }
  }

  /*  */

  /*  */

  /*  */

  /*  */

  // inline hooks to be invoked on component VNodes during patch
  var componentVNodeHooks = {
    init: function init (vnode, hydrating) {
      if (
        vnode.componentInstance &&
        !vnode.componentInstance._isDestroyed &&
        vnode.data.keepAlive
      ) {
        // kept-alive components, treat as a patch
        var mountedNode = vnode; // work around flow
        componentVNodeHooks.prepatch(mountedNode, mountedNode);
      } else {
        var child = vnode.componentInstance = createComponentInstanceForVnode(
          vnode,
          activeInstance
        );
        child.$mount(hydrating ? vnode.elm : undefined, hydrating);
      }
    },

    prepatch: function prepatch (oldVnode, vnode) {
      var options = vnode.componentOptions;
      var child = vnode.componentInstance = oldVnode.componentInstance;
      updateChildComponent(
        child,
        options.propsData, // updated props
        options.listeners, // updated listeners
        vnode, // new parent vnode
        options.children // new children
      );
    },

    insert: function insert (vnode) {
      var context = vnode.context;
      var componentInstance = vnode.componentInstance;
      if (!componentInstance._isMounted) {
        componentInstance._isMounted = true;
        callHook(componentInstance, 'mounted');
      }
      if (vnode.data.keepAlive) {
        if (context._isMounted) {
          // vue-router#1212
          // During updates, a kept-alive component's child components may
          // change, so directly walking the tree here may call activated hooks
          // on incorrect children. Instead we push them into a queue which will
          // be processed after the whole patch process ended.
          queueActivatedComponent(componentInstance);
        } else {
          activateChildComponent(componentInstance, true /* direct */);
        }
      }
    },

    destroy: function destroy (vnode) {
      var componentInstance = vnode.componentInstance;
      if (!componentInstance._isDestroyed) {
        if (!vnode.data.keepAlive) {
          componentInstance.$destroy();
        } else {
          deactivateChildComponent(componentInstance, true /* direct */);
        }
      }
    }
  };

  var hooksToMerge = Object.keys(componentVNodeHooks);

  function createComponent (
    Ctor,
    data,
    context,
    children,
    tag
  ) {
    if (isUndef(Ctor)) {
      return
    }

    var baseCtor = context.$options._base;

    // plain options object: turn it into a constructor
    if (isObject(Ctor)) {
      Ctor = baseCtor.extend(Ctor);
    }

    // if at this stage it's not a constructor or an async component factory,
    // reject.
    if (typeof Ctor !== 'function') {
      {
        warn(("Invalid Component definition: " + (String(Ctor))), context);
      }
      return
    }

    // async component
    var asyncFactory;
    if (isUndef(Ctor.cid)) {
      asyncFactory = Ctor;
      Ctor = resolveAsyncComponent(asyncFactory, baseCtor);
      if (Ctor === undefined) {
        // return a placeholder node for async component, which is rendered
        // as a comment node but preserves all the raw information for the node.
        // the information will be used for async server-rendering and hydration.
        return createAsyncPlaceholder(
          asyncFactory,
          data,
          context,
          children,
          tag
        )
      }
    }

    data = data || {};

    // resolve constructor options in case global mixins are applied after
    // component constructor creation
    resolveConstructorOptions(Ctor);

    // transform component v-model data into props & events
    if (isDef(data.model)) {
      transformModel(Ctor.options, data);
    }

    // extract props
    var propsData = extractPropsFromVNodeData(data, Ctor, tag);

    // functional component
    if (isTrue(Ctor.options.functional)) {
      return createFunctionalComponent(Ctor, propsData, data, context, children)
    }

    // extract listeners, since these needs to be treated as
    // child component listeners instead of DOM listeners
    var listeners = data.on;
    // replace with listeners with .native modifier
    // so it gets processed during parent component patch.
    data.on = data.nativeOn;

    if (isTrue(Ctor.options.abstract)) {
      // abstract components do not keep anything
      // other than props & listeners & slot

      // work around flow
      var slot = data.slot;
      data = {};
      if (slot) {
        data.slot = slot;
      }
    }

    // install component management hooks onto the placeholder node
    installComponentHooks(data);

    // return a placeholder vnode
    var name = Ctor.options.name || tag;
    var vnode = new VNode(
      ("vue-component-" + (Ctor.cid) + (name ? ("-" + name) : '')),
      data, undefined, undefined, undefined, context,
      { Ctor: Ctor, propsData: propsData, listeners: listeners, tag: tag, children: children },
      asyncFactory
    );

    return vnode
  }

  function createComponentInstanceForVnode (
    vnode, // we know it's MountedComponentVNode but flow doesn't
    parent // activeInstance in lifecycle state
  ) {
    var options = {
      _isComponent: true,
      _parentVnode: vnode,
      parent: parent
    };
    // check inline-template render functions
    var inlineTemplate = vnode.data.inlineTemplate;
    if (isDef(inlineTemplate)) {
      options.render = inlineTemplate.render;
      options.staticRenderFns = inlineTemplate.staticRenderFns;
    }
    return new vnode.componentOptions.Ctor(options)
  }

  function installComponentHooks (data) {
    var hooks = data.hook || (data.hook = {});
    for (var i = 0; i < hooksToMerge.length; i++) {
      var key = hooksToMerge[i];
      var existing = hooks[key];
      var toMerge = componentVNodeHooks[key];
      if (existing !== toMerge && !(existing && existing._merged)) {
        hooks[key] = existing ? mergeHook$1(toMerge, existing) : toMerge;
      }
    }
  }

  function mergeHook$1 (f1, f2) {
    var merged = function (a, b) {
      // flow complains about extra args which is why we use any
      f1(a, b);
      f2(a, b);
    };
    merged._merged = true;
    return merged
  }

  // transform component v-model info (value and callback) into
  // prop and event handler respectively.
  function transformModel (options, data) {
    var prop = (options.model && options.model.prop) || 'value';
    var event = (options.model && options.model.event) || 'input'
    ;(data.attrs || (data.attrs = {}))[prop] = data.model.value;
    var on = data.on || (data.on = {});
    var existing = on[event];
    var callback = data.model.callback;
    if (isDef(existing)) {
      if (
        Array.isArray(existing)
          ? existing.indexOf(callback) === -1
          : existing !== callback
      ) {
        on[event] = [callback].concat(existing);
      }
    } else {
      on[event] = callback;
    }
  }

  /*  */

  var SIMPLE_NORMALIZE = 1;
  var ALWAYS_NORMALIZE = 2;

  // wrapper function for providing a more flexible interface
  // without getting yelled at by flow
  function createElement (
    context,
    tag,
    data,
    children,
    normalizationType,
    alwaysNormalize
  ) {
    if (Array.isArray(data) || isPrimitive(data)) {
      normalizationType = children;
      children = data;
      data = undefined;
    }
    if (isTrue(alwaysNormalize)) {
      normalizationType = ALWAYS_NORMALIZE;
    }
    return _createElement(context, tag, data, children, normalizationType)
  }

  function _createElement (
    context,
    tag,
    data,
    children,
    normalizationType
  ) {
    if (isDef(data) && isDef((data).__ob__)) {
      warn(
        "Avoid using observed data object as vnode data: " + (JSON.stringify(data)) + "\n" +
        'Always create fresh vnode data objects in each render!',
        context
      );
      return createEmptyVNode()
    }
    // object syntax in v-bind
    if (isDef(data) && isDef(data.is)) {
      tag = data.is;
    }
    if (!tag) {
      // in case of component :is set to falsy value
      return createEmptyVNode()
    }
    // warn against non-primitive key
    if (isDef(data) && isDef(data.key) && !isPrimitive(data.key)
    ) {
      {
        warn(
          'Avoid using non-primitive value as key, ' +
          'use string/number value instead.',
          context
        );
      }
    }
    // support single function children as default scoped slot
    if (Array.isArray(children) &&
      typeof children[0] === 'function'
    ) {
      data = data || {};
      data.scopedSlots = { default: children[0] };
      children.length = 0;
    }
    if (normalizationType === ALWAYS_NORMALIZE) {
      children = normalizeChildren(children);
    } else if (normalizationType === SIMPLE_NORMALIZE) {
      children = simpleNormalizeChildren(children);
    }
    var vnode, ns;
    if (typeof tag === 'string') {
      var Ctor;
      ns = (context.$vnode && context.$vnode.ns) || config.getTagNamespace(tag);
      if (config.isReservedTag(tag)) {
        // platform built-in elements
        vnode = new VNode(
          config.parsePlatformTagName(tag), data, children,
          undefined, undefined, context
        );
      } else if ((!data || !data.pre) && isDef(Ctor = resolveAsset(context.$options, 'components', tag))) {
        // component
        vnode = createComponent(Ctor, data, context, children, tag);
      } else {
        // unknown or unlisted namespaced elements
        // check at runtime because it may get assigned a namespace when its
        // parent normalizes children
        vnode = new VNode(
          tag, data, children,
          undefined, undefined, context
        );
      }
    } else {
      // direct component options / constructor
      vnode = createComponent(tag, data, context, children);
    }
    if (Array.isArray(vnode)) {
      return vnode
    } else if (isDef(vnode)) {
      if (isDef(ns)) { applyNS(vnode, ns); }
      if (isDef(data)) { registerDeepBindings(data); }
      return vnode
    } else {
      return createEmptyVNode()
    }
  }

  function applyNS (vnode, ns, force) {
    vnode.ns = ns;
    if (vnode.tag === 'foreignObject') {
      // use default namespace inside foreignObject
      ns = undefined;
      force = true;
    }
    if (isDef(vnode.children)) {
      for (var i = 0, l = vnode.children.length; i < l; i++) {
        var child = vnode.children[i];
        if (isDef(child.tag) && (
          isUndef(child.ns) || (isTrue(force) && child.tag !== 'svg'))) {
          applyNS(child, ns, force);
        }
      }
    }
  }

  // ref #5318
  // necessary to ensure parent re-render when deep bindings like :style and
  // :class are used on slot nodes
  function registerDeepBindings (data) {
    if (isObject(data.style)) {
      traverse(data.style);
    }
    if (isObject(data.class)) {
      traverse(data.class);
    }
  }

  /*  */

  function initRender (vm) {
    vm._vnode = null; // the root of the child tree
    vm._staticTrees = null; // v-once cached trees
    var options = vm.$options;
    var parentVnode = vm.$vnode = options._parentVnode; // the placeholder node in parent tree
    var renderContext = parentVnode && parentVnode.context;
    vm.$slots = resolveSlots(options._renderChildren, renderContext);
    vm.$scopedSlots = emptyObject;
    // bind the createElement fn to this instance
    // so that we get proper render context inside it.
    // args order: tag, data, children, normalizationType, alwaysNormalize
    // internal version is used by render functions compiled from templates
    vm._c = function (a, b, c, d) { return createElement(vm, a, b, c, d, false); };
    // normalization is always applied for the public version, used in
    // user-written render functions.
    vm.$createElement = function (a, b, c, d) { return createElement(vm, a, b, c, d, true); };

    // $attrs & $listeners are exposed for easier HOC creation.
    // they need to be reactive so that HOCs using them are always updated
    var parentData = parentVnode && parentVnode.data;

    /* istanbul ignore else */
    {
      defineReactive$$1(vm, '$attrs', parentData && parentData.attrs || emptyObject, function () {
        !isUpdatingChildComponent && warn("$attrs is readonly.", vm);
      }, true);
      defineReactive$$1(vm, '$listeners', options._parentListeners || emptyObject, function () {
        !isUpdatingChildComponent && warn("$listeners is readonly.", vm);
      }, true);
    }
  }

  var currentRenderingInstance = null;

  function renderMixin (Vue) {
    // install runtime convenience helpers
    installRenderHelpers(Vue.prototype);

    Vue.prototype.$nextTick = function (fn) {
      return nextTick(fn, this)
    };

    Vue.prototype._render = function () {
      var vm = this;
      var ref = vm.$options;
      var render = ref.render;
      var _parentVnode = ref._parentVnode;

      if (_parentVnode) {
        vm.$scopedSlots = normalizeScopedSlots(
          _parentVnode.data.scopedSlots,
          vm.$slots,
          vm.$scopedSlots
        );
      }

      // set parent vnode. this allows render functions to have access
      // to the data on the placeholder node.
      vm.$vnode = _parentVnode;
      // render self
      var vnode;
      try {
        // There's no need to maintain a stack becaues all render fns are called
        // separately from one another. Nested component's render fns are called
        // when parent component is patched.
        currentRenderingInstance = vm;
        vnode = render.call(vm._renderProxy, vm.$createElement);
      } catch (e) {
        handleError(e, vm, "render");
        // return error render result,
        // or previous vnode to prevent render error causing blank component
        /* istanbul ignore else */
        if (vm.$options.renderError) {
          try {
            vnode = vm.$options.renderError.call(vm._renderProxy, vm.$createElement, e);
          } catch (e) {
            handleError(e, vm, "renderError");
            vnode = vm._vnode;
          }
        } else {
          vnode = vm._vnode;
        }
      } finally {
        currentRenderingInstance = null;
      }
      // if the returned array contains only a single node, allow it
      if (Array.isArray(vnode) && vnode.length === 1) {
        vnode = vnode[0];
      }
      // return empty vnode in case the render function errored out
      if (!(vnode instanceof VNode)) {
        if (Array.isArray(vnode)) {
          warn(
            'Multiple root nodes returned from render function. Render function ' +
            'should return a single root node.',
            vm
          );
        }
        vnode = createEmptyVNode();
      }
      // set parent
      vnode.parent = _parentVnode;
      return vnode
    };
  }

  /*  */

  function ensureCtor (comp, base) {
    if (
      comp.__esModule ||
      (hasSymbol && comp[Symbol.toStringTag] === 'Module')
    ) {
      comp = comp.default;
    }
    return isObject(comp)
      ? base.extend(comp)
      : comp
  }

  function createAsyncPlaceholder (
    factory,
    data,
    context,
    children,
    tag
  ) {
    var node = createEmptyVNode();
    node.asyncFactory = factory;
    node.asyncMeta = { data: data, context: context, children: children, tag: tag };
    return node
  }

  function resolveAsyncComponent (
    factory,
    baseCtor
  ) {
    if (isTrue(factory.error) && isDef(factory.errorComp)) {
      return factory.errorComp
    }

    if (isDef(factory.resolved)) {
      return factory.resolved
    }

    var owner = currentRenderingInstance;
    if (owner && isDef(factory.owners) && factory.owners.indexOf(owner) === -1) {
      // already pending
      factory.owners.push(owner);
    }

    if (isTrue(factory.loading) && isDef(factory.loadingComp)) {
      return factory.loadingComp
    }

    if (owner && !isDef(factory.owners)) {
      var owners = factory.owners = [owner];
      var sync = true;
      var timerLoading = null;
      var timerTimeout = null

      ;(owner).$on('hook:destroyed', function () { return remove(owners, owner); });

      var forceRender = function (renderCompleted) {
        for (var i = 0, l = owners.length; i < l; i++) {
          (owners[i]).$forceUpdate();
        }

        if (renderCompleted) {
          owners.length = 0;
          if (timerLoading !== null) {
            clearTimeout(timerLoading);
            timerLoading = null;
          }
          if (timerTimeout !== null) {
            clearTimeout(timerTimeout);
            timerTimeout = null;
          }
        }
      };

      var resolve = once(function (res) {
        // cache resolved
        factory.resolved = ensureCtor(res, baseCtor);
        // invoke callbacks only if this is not a synchronous resolve
        // (async resolves are shimmed as synchronous during SSR)
        if (!sync) {
          forceRender(true);
        } else {
          owners.length = 0;
        }
      });

      var reject = once(function (reason) {
        warn(
          "Failed to resolve async component: " + (String(factory)) +
          (reason ? ("\nReason: " + reason) : '')
        );
        if (isDef(factory.errorComp)) {
          factory.error = true;
          forceRender(true);
        }
      });

      var res = factory(resolve, reject);

      if (isObject(res)) {
        if (isPromise(res)) {
          // () => Promise
          if (isUndef(factory.resolved)) {
            res.then(resolve, reject);
          }
        } else if (isPromise(res.component)) {
          res.component.then(resolve, reject);

          if (isDef(res.error)) {
            factory.errorComp = ensureCtor(res.error, baseCtor);
          }

          if (isDef(res.loading)) {
            factory.loadingComp = ensureCtor(res.loading, baseCtor);
            if (res.delay === 0) {
              factory.loading = true;
            } else {
              timerLoading = setTimeout(function () {
                timerLoading = null;
                if (isUndef(factory.resolved) && isUndef(factory.error)) {
                  factory.loading = true;
                  forceRender(false);
                }
              }, res.delay || 200);
            }
          }

          if (isDef(res.timeout)) {
            timerTimeout = setTimeout(function () {
              timerTimeout = null;
              if (isUndef(factory.resolved)) {
                reject(
                  "timeout (" + (res.timeout) + "ms)"
                );
              }
            }, res.timeout);
          }
        }
      }

      sync = false;
      // return in case resolved synchronously
      return factory.loading
        ? factory.loadingComp
        : factory.resolved
    }
  }

  /*  */

  function isAsyncPlaceholder (node) {
    return node.isComment && node.asyncFactory
  }

  /*  */

  function getFirstComponentChild (children) {
    if (Array.isArray(children)) {
      for (var i = 0; i < children.length; i++) {
        var c = children[i];
        if (isDef(c) && (isDef(c.componentOptions) || isAsyncPlaceholder(c))) {
          return c
        }
      }
    }
  }

  /*  */

  /*  */

  function initEvents (vm) {
    vm._events = Object.create(null);
    vm._hasHookEvent = false;
    // init parent attached events
    var listeners = vm.$options._parentListeners;
    if (listeners) {
      updateComponentListeners(vm, listeners);
    }
  }

  var target;

  function add (event, fn) {
    target.$on(event, fn);
  }

  function remove$1 (event, fn) {
    target.$off(event, fn);
  }

  function createOnceHandler (event, fn) {
    var _target = target;
    return function onceHandler () {
      var res = fn.apply(null, arguments);
      if (res !== null) {
        _target.$off(event, onceHandler);
      }
    }
  }

  function updateComponentListeners (
    vm,
    listeners,
    oldListeners
  ) {
    target = vm;
    updateListeners(listeners, oldListeners || {}, add, remove$1, createOnceHandler, vm);
    target = undefined;
  }

  function eventsMixin (Vue) {
    var hookRE = /^hook:/;
    Vue.prototype.$on = function (event, fn) {
      var vm = this;
      if (Array.isArray(event)) {
        for (var i = 0, l = event.length; i < l; i++) {
          vm.$on(event[i], fn);
        }
      } else {
        (vm._events[event] || (vm._events[event] = [])).push(fn);
        // optimize hook:event cost by using a boolean flag marked at registration
        // instead of a hash lookup
        if (hookRE.test(event)) {
          vm._hasHookEvent = true;
        }
      }
      return vm
    };

    Vue.prototype.$once = function (event, fn) {
      var vm = this;
      function on () {
        vm.$off(event, on);
        fn.apply(vm, arguments);
      }
      on.fn = fn;
      vm.$on(event, on);
      return vm
    };

    Vue.prototype.$off = function (event, fn) {
      var vm = this;
      // all
      if (!arguments.length) {
        vm._events = Object.create(null);
        return vm
      }
      // array of events
      if (Array.isArray(event)) {
        for (var i$1 = 0, l = event.length; i$1 < l; i$1++) {
          vm.$off(event[i$1], fn);
        }
        return vm
      }
      // specific event
      var cbs = vm._events[event];
      if (!cbs) {
        return vm
      }
      if (!fn) {
        vm._events[event] = null;
        return vm
      }
      // specific handler
      var cb;
      var i = cbs.length;
      while (i--) {
        cb = cbs[i];
        if (cb === fn || cb.fn === fn) {
          cbs.splice(i, 1);
          break
        }
      }
      return vm
    };

    Vue.prototype.$emit = function (event) {
      var vm = this;
      {
        var lowerCaseEvent = event.toLowerCase();
        if (lowerCaseEvent !== event && vm._events[lowerCaseEvent]) {
          tip(
            "Event \"" + lowerCaseEvent + "\" is emitted in component " +
            (formatComponentName(vm)) + " but the handler is registered for \"" + event + "\". " +
            "Note that HTML attributes are case-insensitive and you cannot use " +
            "v-on to listen to camelCase events when using in-DOM templates. " +
            "You should probably use \"" + (hyphenate(event)) + "\" instead of \"" + event + "\"."
          );
        }
      }
      var cbs = vm._events[event];
      if (cbs) {
        cbs = cbs.length > 1 ? toArray(cbs) : cbs;
        var args = toArray(arguments, 1);
        var info = "event handler for \"" + event + "\"";
        for (var i = 0, l = cbs.length; i < l; i++) {
          invokeWithErrorHandling(cbs[i], vm, args, vm, info);
        }
      }
      return vm
    };
  }

  /*  */

  var activeInstance = null;
  var isUpdatingChildComponent = false;

  function setActiveInstance(vm) {
    var prevActiveInstance = activeInstance;
    activeInstance = vm;
    return function () {
      activeInstance = prevActiveInstance;
    }
  }

  function initLifecycle (vm) {
    var options = vm.$options;

    // locate first non-abstract parent
    var parent = options.parent;
    if (parent && !options.abstract) {
      while (parent.$options.abstract && parent.$parent) {
        parent = parent.$parent;
      }
      parent.$children.push(vm);
    }

    vm.$parent = parent;
    vm.$root = parent ? parent.$root : vm;

    vm.$children = [];
    vm.$refs = {};

    vm._watcher = null;
    vm._inactive = null;
    vm._directInactive = false;
    vm._isMounted = false;
    vm._isDestroyed = false;
    vm._isBeingDestroyed = false;
  }

  function lifecycleMixin (Vue) {
    Vue.prototype._update = function (vnode, hydrating) {
      var vm = this;
      var prevEl = vm.$el;
      var prevVnode = vm._vnode;
      var restoreActiveInstance = setActiveInstance(vm);
      vm._vnode = vnode;
      // Vue.prototype.__patch__ is injected in entry points
      // based on the rendering backend used.
      if (!prevVnode) {
        // initial render
        vm.$el = vm.__patch__(vm.$el, vnode, hydrating, false /* removeOnly */);
      } else {
        // updates
        vm.$el = vm.__patch__(prevVnode, vnode);
      }
      restoreActiveInstance();
      // update __vue__ reference
      if (prevEl) {
        prevEl.__vue__ = null;
      }
      if (vm.$el) {
        vm.$el.__vue__ = vm;
      }
      // if parent is an HOC, update its $el as well
      if (vm.$vnode && vm.$parent && vm.$vnode === vm.$parent._vnode) {
        vm.$parent.$el = vm.$el;
      }
      // updated hook is called by the scheduler to ensure that children are
      // updated in a parent's updated hook.
    };

    Vue.prototype.$forceUpdate = function () {
      var vm = this;
      if (vm._watcher) {
        vm._watcher.update();
      }
    };

    Vue.prototype.$destroy = function () {
      var vm = this;
      if (vm._isBeingDestroyed) {
        return
      }
      callHook(vm, 'beforeDestroy');
      vm._isBeingDestroyed = true;
      // remove self from parent
      var parent = vm.$parent;
      if (parent && !parent._isBeingDestroyed && !vm.$options.abstract) {
        remove(parent.$children, vm);
      }
      // teardown watchers
      if (vm._watcher) {
        vm._watcher.teardown();
      }
      var i = vm._watchers.length;
      while (i--) {
        vm._watchers[i].teardown();
      }
      // remove reference from data ob
      // frozen object may not have observer.
      if (vm._data.__ob__) {
        vm._data.__ob__.vmCount--;
      }
      // call the last hook...
      vm._isDestroyed = true;
      // invoke destroy hooks on current rendered tree
      vm.__patch__(vm._vnode, null);
      // fire destroyed hook
      callHook(vm, 'destroyed');
      // turn off all instance listeners.
      vm.$off();
      // remove __vue__ reference
      if (vm.$el) {
        vm.$el.__vue__ = null;
      }
      // release circular reference (#6759)
      if (vm.$vnode) {
        vm.$vnode.parent = null;
      }
    };
  }

  function mountComponent (
    vm,
    el,
    hydrating
  ) {
    vm.$el = el;
    if (!vm.$options.render) {
      vm.$options.render = createEmptyVNode;
      {
        /* istanbul ignore if */
        if ((vm.$options.template && vm.$options.template.charAt(0) !== '#') ||
          vm.$options.el || el) {
          warn(
            'You are using the runtime-only build of Vue where the template ' +
            'compiler is not available. Either pre-compile the templates into ' +
            'render functions, or use the compiler-included build.',
            vm
          );
        } else {
          warn(
            'Failed to mount component: template or render function not defined.',
            vm
          );
        }
      }
    }
    callHook(vm, 'beforeMount');

    var updateComponent;
    /* istanbul ignore if */
    if (config.performance && mark) {
      updateComponent = function () {
        var name = vm._name;
        var id = vm._uid;
        var startTag = "vue-perf-start:" + id;
        var endTag = "vue-perf-end:" + id;

        mark(startTag);
        var vnode = vm._render();
        mark(endTag);
        measure(("vue " + name + " render"), startTag, endTag);

        mark(startTag);
        vm._update(vnode, hydrating);
        mark(endTag);
        measure(("vue " + name + " patch"), startTag, endTag);
      };
    } else {
      updateComponent = function () {
        vm._update(vm._render(), hydrating);
      };
    }

    // we set this to vm._watcher inside the watcher's constructor
    // since the watcher's initial patch may call $forceUpdate (e.g. inside child
    // component's mounted hook), which relies on vm._watcher being already defined
    new Watcher(vm, updateComponent, noop, {
      before: function before () {
        if (vm._isMounted && !vm._isDestroyed) {
          callHook(vm, 'beforeUpdate');
        }
      }
    }, true /* isRenderWatcher */);
    hydrating = false;

    // manually mounted instance, call mounted on self
    // mounted is called for render-created child components in its inserted hook
    if (vm.$vnode == null) {
      vm._isMounted = true;
      callHook(vm, 'mounted');
    }
    return vm
  }

  function updateChildComponent (
    vm,
    propsData,
    listeners,
    parentVnode,
    renderChildren
  ) {
    {
      isUpdatingChildComponent = true;
    }

    // determine whether component has slot children
    // we need to do this before overwriting $options._renderChildren.

    // check if there are dynamic scopedSlots (hand-written or compiled but with
    // dynamic slot names). Static scoped slots compiled from template has the
    // "$stable" marker.
    var newScopedSlots = parentVnode.data.scopedSlots;
    var oldScopedSlots = vm.$scopedSlots;
    var hasDynamicScopedSlot = !!(
      (newScopedSlots && !newScopedSlots.$stable) ||
      (oldScopedSlots !== emptyObject && !oldScopedSlots.$stable) ||
      (newScopedSlots && vm.$scopedSlots.$key !== newScopedSlots.$key)
    );

    // Any static slot children from the parent may have changed during parent's
    // update. Dynamic scoped slots may also have changed. In such cases, a forced
    // update is necessary to ensure correctness.
    var needsForceUpdate = !!(
      renderChildren ||               // has new static slots
      vm.$options._renderChildren ||  // has old static slots
      hasDynamicScopedSlot
    );

    vm.$options._parentVnode = parentVnode;
    vm.$vnode = parentVnode; // update vm's placeholder node without re-render

    if (vm._vnode) { // update child tree's parent
      vm._vnode.parent = parentVnode;
    }
    vm.$options._renderChildren = renderChildren;

    // update $attrs and $listeners hash
    // these are also reactive so they may trigger child update if the child
    // used them during render
    vm.$attrs = parentVnode.data.attrs || emptyObject;
    vm.$listeners = listeners || emptyObject;

    // update props
    if (propsData && vm.$options.props) {
      toggleObserving(false);
      var props = vm._props;
      var propKeys = vm.$options._propKeys || [];
      for (var i = 0; i < propKeys.length; i++) {
        var key = propKeys[i];
        var propOptions = vm.$options.props; // wtf flow?
        props[key] = validateProp(key, propOptions, propsData, vm);
      }
      toggleObserving(true);
      // keep a copy of raw propsData
      vm.$options.propsData = propsData;
    }

    // update listeners
    listeners = listeners || emptyObject;
    var oldListeners = vm.$options._parentListeners;
    vm.$options._parentListeners = listeners;
    updateComponentListeners(vm, listeners, oldListeners);

    // resolve slots + force update if has children
    if (needsForceUpdate) {
      vm.$slots = resolveSlots(renderChildren, parentVnode.context);
      vm.$forceUpdate();
    }

    {
      isUpdatingChildComponent = false;
    }
  }

  function isInInactiveTree (vm) {
    while (vm && (vm = vm.$parent)) {
      if (vm._inactive) { return true }
    }
    return false
  }

  function activateChildComponent (vm, direct) {
    if (direct) {
      vm._directInactive = false;
      if (isInInactiveTree(vm)) {
        return
      }
    } else if (vm._directInactive) {
      return
    }
    if (vm._inactive || vm._inactive === null) {
      vm._inactive = false;
      for (var i = 0; i < vm.$children.length; i++) {
        activateChildComponent(vm.$children[i]);
      }
      callHook(vm, 'activated');
    }
  }

  function deactivateChildComponent (vm, direct) {
    if (direct) {
      vm._directInactive = true;
      if (isInInactiveTree(vm)) {
        return
      }
    }
    if (!vm._inactive) {
      vm._inactive = true;
      for (var i = 0; i < vm.$children.length; i++) {
        deactivateChildComponent(vm.$children[i]);
      }
      callHook(vm, 'deactivated');
    }
  }

  function callHook (vm, hook) {
    // #7573 disable dep collection when invoking lifecycle hooks
    pushTarget();
    var handlers = vm.$options[hook];
    var info = hook + " hook";
    if (handlers) {
      for (var i = 0, j = handlers.length; i < j; i++) {
        invokeWithErrorHandling(handlers[i], vm, null, vm, info);
      }
    }
    if (vm._hasHookEvent) {
      vm.$emit('hook:' + hook);
    }
    popTarget();
  }

  /*  */

  var MAX_UPDATE_COUNT = 100;

  var queue = [];
  var activatedChildren = [];
  var has = {};
  var circular = {};
  var waiting = false;
  var flushing = false;
  var index = 0;

  /**
   * Reset the scheduler's state.
   */
  function resetSchedulerState () {
    index = queue.length = activatedChildren.length = 0;
    has = {};
    {
      circular = {};
    }
    waiting = flushing = false;
  }

  // Async edge case #6566 requires saving the timestamp when event listeners are
  // attached. However, calling performance.now() has a perf overhead especially
  // if the page has thousands of event listeners. Instead, we take a timestamp
  // every time the scheduler flushes and use that for all event listeners
  // attached during that flush.
  var currentFlushTimestamp = 0;

  // Async edge case fix requires storing an event listener's attach timestamp.
  var getNow = Date.now;

  // Determine what event timestamp the browser is using. Annoyingly, the
  // timestamp can either be hi-res (relative to page load) or low-res
  // (relative to UNIX epoch), so in order to compare time we have to use the
  // same timestamp type when saving the flush timestamp.
  // All IE versions use low-res event timestamps, and have problematic clock
  // implementations (#9632)
  if (inBrowser && !isIE) {
    var performance = window.performance;
    if (
      performance &&
      typeof performance.now === 'function' &&
      getNow() > document.createEvent('Event').timeStamp
    ) {
      // if the event timestamp, although evaluated AFTER the Date.now(), is
      // smaller than it, it means the event is using a hi-res timestamp,
      // and we need to use the hi-res version for event listener timestamps as
      // well.
      getNow = function () { return performance.now(); };
    }
  }

  /**
   * Flush both queues and run the watchers.
   */
  function flushSchedulerQueue () {
    currentFlushTimestamp = getNow();
    flushing = true;
    var watcher, id;

    // Sort queue before flush.
    // This ensures that:
    // 1. Components are updated from parent to child. (because parent is always
    //    created before the child)
    // 2. A component's user watchers are run before its render watcher (because
    //    user watchers are created before the render watcher)
    // 3. If a component is destroyed during a parent component's watcher run,
    //    its watchers can be skipped.
    queue.sort(function (a, b) { return a.id - b.id; });

    // do not cache length because more watchers might be pushed
    // as we run existing watchers
    for (index = 0; index < queue.length; index++) {
      watcher = queue[index];
      if (watcher.before) {
        watcher.before();
      }
      id = watcher.id;
      has[id] = null;
      watcher.run();
      // in dev build, check and stop circular updates.
      if (has[id] != null) {
        circular[id] = (circular[id] || 0) + 1;
        if (circular[id] > MAX_UPDATE_COUNT) {
          warn(
            'You may have an infinite update loop ' + (
              watcher.user
                ? ("in watcher with expression \"" + (watcher.expression) + "\"")
                : "in a component render function."
            ),
            watcher.vm
          );
          break
        }
      }
    }

    // keep copies of post queues before resetting state
    var activatedQueue = activatedChildren.slice();
    var updatedQueue = queue.slice();

    resetSchedulerState();

    // call component updated and activated hooks
    callActivatedHooks(activatedQueue);
    callUpdatedHooks(updatedQueue);

    // devtool hook
    /* istanbul ignore if */
    if (devtools && config.devtools) {
      devtools.emit('flush');
    }
  }

  function callUpdatedHooks (queue) {
    var i = queue.length;
    while (i--) {
      var watcher = queue[i];
      var vm = watcher.vm;
      if (vm._watcher === watcher && vm._isMounted && !vm._isDestroyed) {
        callHook(vm, 'updated');
      }
    }
  }

  /**
   * Queue a kept-alive component that was activated during patch.
   * The queue will be processed after the entire tree has been patched.
   */
  function queueActivatedComponent (vm) {
    // setting _inactive to false here so that a render function can
    // rely on checking whether it's in an inactive tree (e.g. router-view)
    vm._inactive = false;
    activatedChildren.push(vm);
  }

  function callActivatedHooks (queue) {
    for (var i = 0; i < queue.length; i++) {
      queue[i]._inactive = true;
      activateChildComponent(queue[i], true /* true */);
    }
  }

  /**
   * Push a watcher into the watcher queue.
   * Jobs with duplicate IDs will be skipped unless it's
   * pushed when the queue is being flushed.
   */
  function queueWatcher (watcher) {
    var id = watcher.id;
    if (has[id] == null) {
      has[id] = true;
      if (!flushing) {
        queue.push(watcher);
      } else {
        // if already flushing, splice the watcher based on its id
        // if already past its id, it will be run next immediately.
        var i = queue.length - 1;
        while (i > index && queue[i].id > watcher.id) {
          i--;
        }
        queue.splice(i + 1, 0, watcher);
      }
      // queue the flush
      if (!waiting) {
        waiting = true;

        if (!config.async) {
          flushSchedulerQueue();
          return
        }
        nextTick(flushSchedulerQueue);
      }
    }
  }

  /*  */



  var uid$2 = 0;

  /**
   * A watcher parses an expression, collects dependencies,
   * and fires callback when the expression value changes.
   * This is used for both the $watch() api and directives.
   */
  var Watcher = function Watcher (
    vm,
    expOrFn,
    cb,
    options,
    isRenderWatcher
  ) {
    this.vm = vm;
    if (isRenderWatcher) {
      vm._watcher = this;
    }
    vm._watchers.push(this);
    // options
    if (options) {
      this.deep = !!options.deep;
      this.user = !!options.user;
      this.lazy = !!options.lazy;
      this.sync = !!options.sync;
      this.before = options.before;
    } else {
      this.deep = this.user = this.lazy = this.sync = false;
    }
    this.cb = cb;
    this.id = ++uid$2; // uid for batching
    this.active = true;
    this.dirty = this.lazy; // for lazy watchers
    this.deps = [];
    this.newDeps = [];
    this.depIds = new _Set();
    this.newDepIds = new _Set();
    this.expression = expOrFn.toString();
    // parse expression for getter
    if (typeof expOrFn === 'function') {
      this.getter = expOrFn;
    } else {
      this.getter = parsePath(expOrFn);
      if (!this.getter) {
        this.getter = noop;
        warn(
          "Failed watching path: \"" + expOrFn + "\" " +
          'Watcher only accepts simple dot-delimited paths. ' +
          'For full control, use a function instead.',
          vm
        );
      }
    }
    this.value = this.lazy
      ? undefined
      : this.get();
  };

  /**
   * Evaluate the getter, and re-collect dependencies.
   */
  Watcher.prototype.get = function get () {
    pushTarget(this);
    var value;
    var vm = this.vm;
    try {
      value = this.getter.call(vm, vm);
    } catch (e) {
      if (this.user) {
        handleError(e, vm, ("getter for watcher \"" + (this.expression) + "\""));
      } else {
        throw e
      }
    } finally {
      // "touch" every property so they are all tracked as
      // dependencies for deep watching
      if (this.deep) {
        traverse(value);
      }
      popTarget();
      this.cleanupDeps();
    }
    return value
  };

  /**
   * Add a dependency to this directive.
   */
  Watcher.prototype.addDep = function addDep (dep) {
    var id = dep.id;
    if (!this.newDepIds.has(id)) {
      this.newDepIds.add(id);
      this.newDeps.push(dep);
      if (!this.depIds.has(id)) {
        dep.addSub(this);
      }
    }
  };

  /**
   * Clean up for dependency collection.
   */
  Watcher.prototype.cleanupDeps = function cleanupDeps () {
    var i = this.deps.length;
    while (i--) {
      var dep = this.deps[i];
      if (!this.newDepIds.has(dep.id)) {
        dep.removeSub(this);
      }
    }
    var tmp = this.depIds;
    this.depIds = this.newDepIds;
    this.newDepIds = tmp;
    this.newDepIds.clear();
    tmp = this.deps;
    this.deps = this.newDeps;
    this.newDeps = tmp;
    this.newDeps.length = 0;
  };

  /**
   * Subscriber interface.
   * Will be called when a dependency changes.
   */
  Watcher.prototype.update = function update () {
    /* istanbul ignore else */
    if (this.lazy) {
      this.dirty = true;
    } else if (this.sync) {
      this.run();
    } else {
      queueWatcher(this);
    }
  };

  /**
   * Scheduler job interface.
   * Will be called by the scheduler.
   */
  Watcher.prototype.run = function run () {
    if (this.active) {
      var value = this.get();
      if (
        value !== this.value ||
        // Deep watchers and watchers on Object/Arrays should fire even
        // when the value is the same, because the value may
        // have mutated.
        isObject(value) ||
        this.deep
      ) {
        // set new value
        var oldValue = this.value;
        this.value = value;
        if (this.user) {
          try {
            this.cb.call(this.vm, value, oldValue);
          } catch (e) {
            handleError(e, this.vm, ("callback for watcher \"" + (this.expression) + "\""));
          }
        } else {
          this.cb.call(this.vm, value, oldValue);
        }
      }
    }
  };

  /**
   * Evaluate the value of the watcher.
   * This only gets called for lazy watchers.
   */
  Watcher.prototype.evaluate = function evaluate () {
    this.value = this.get();
    this.dirty = false;
  };

  /**
   * Depend on all deps collected by this watcher.
   */
  Watcher.prototype.depend = function depend () {
    var i = this.deps.length;
    while (i--) {
      this.deps[i].depend();
    }
  };

  /**
   * Remove self from all dependencies' subscriber list.
   */
  Watcher.prototype.teardown = function teardown () {
    if (this.active) {
      // remove self from vm's watcher list
      // this is a somewhat expensive operation so we skip it
      // if the vm is being destroyed.
      if (!this.vm._isBeingDestroyed) {
        remove(this.vm._watchers, this);
      }
      var i = this.deps.length;
      while (i--) {
        this.deps[i].removeSub(this);
      }
      this.active = false;
    }
  };

  /*  */

  var sharedPropertyDefinition = {
    enumerable: true,
    configurable: true,
    get: noop,
    set: noop
  };

  function proxy (target, sourceKey, key) {
    sharedPropertyDefinition.get = function proxyGetter () {
      return this[sourceKey][key]
    };
    sharedPropertyDefinition.set = function proxySetter (val) {
      this[sourceKey][key] = val;
    };
    Object.defineProperty(target, key, sharedPropertyDefinition);
  }

  function initState (vm) {
    vm._watchers = [];
    var opts = vm.$options;
    if (opts.props) { initProps(vm, opts.props); }
    if (opts.methods) { initMethods(vm, opts.methods); }
    if (opts.data) {
      initData(vm);
    } else {
      observe(vm._data = {}, true /* asRootData */);
    }
    if (opts.computed) { initComputed(vm, opts.computed); }
    if (opts.watch && opts.watch !== nativeWatch) {
      initWatch(vm, opts.watch);
    }
  }

  function initProps (vm, propsOptions) {
    var propsData = vm.$options.propsData || {};
    var props = vm._props = {};
    // cache prop keys so that future props updates can iterate using Array
    // instead of dynamic object key enumeration.
    var keys = vm.$options._propKeys = [];
    var isRoot = !vm.$parent;
    // root instance props should be converted
    if (!isRoot) {
      toggleObserving(false);
    }
    var loop = function ( key ) {
      keys.push(key);
      var value = validateProp(key, propsOptions, propsData, vm);
      /* istanbul ignore else */
      {
        var hyphenatedKey = hyphenate(key);
        if (isReservedAttribute(hyphenatedKey) ||
            config.isReservedAttr(hyphenatedKey)) {
          warn(
            ("\"" + hyphenatedKey + "\" is a reserved attribute and cannot be used as component prop."),
            vm
          );
        }
        defineReactive$$1(props, key, value, function () {
          if (!isRoot && !isUpdatingChildComponent) {
            warn(
              "Avoid mutating a prop directly since the value will be " +
              "overwritten whenever the parent component re-renders. " +
              "Instead, use a data or computed property based on the prop's " +
              "value. Prop being mutated: \"" + key + "\"",
              vm
            );
          }
        });
      }
      // static props are already proxied on the component's prototype
      // during Vue.extend(). We only need to proxy props defined at
      // instantiation here.
      if (!(key in vm)) {
        proxy(vm, "_props", key);
      }
    };

    for (var key in propsOptions) loop( key );
    toggleObserving(true);
  }

  function initData (vm) {
    var data = vm.$options.data;
    data = vm._data = typeof data === 'function'
      ? getData(data, vm)
      : data || {};
    if (!isPlainObject(data)) {
      data = {};
      warn(
        'data functions should return an object:\n' +
        'https://vuejs.org/v2/guide/components.html#data-Must-Be-a-Function',
        vm
      );
    }
    // proxy data on instance
    var keys = Object.keys(data);
    var props = vm.$options.props;
    var methods = vm.$options.methods;
    var i = keys.length;
    while (i--) {
      var key = keys[i];
      {
        if (methods && hasOwn(methods, key)) {
          warn(
            ("Method \"" + key + "\" has already been defined as a data property."),
            vm
          );
        }
      }
      if (props && hasOwn(props, key)) {
        warn(
          "The data property \"" + key + "\" is already declared as a prop. " +
          "Use prop default value instead.",
          vm
        );
      } else if (!isReserved(key)) {
        proxy(vm, "_data", key);
      }
    }
    // observe data
    observe(data, true /* asRootData */);
  }

  function getData (data, vm) {
    // #7573 disable dep collection when invoking data getters
    pushTarget();
    try {
      return data.call(vm, vm)
    } catch (e) {
      handleError(e, vm, "data()");
      return {}
    } finally {
      popTarget();
    }
  }

  var computedWatcherOptions = { lazy: true };

  function initComputed (vm, computed) {
    // $flow-disable-line
    var watchers = vm._computedWatchers = Object.create(null);
    // computed properties are just getters during SSR
    var isSSR = isServerRendering();

    for (var key in computed) {
      var userDef = computed[key];
      var getter = typeof userDef === 'function' ? userDef : userDef.get;
      if (getter == null) {
        warn(
          ("Getter is missing for computed property \"" + key + "\"."),
          vm
        );
      }

      if (!isSSR) {
        // create internal watcher for the computed property.
        watchers[key] = new Watcher(
          vm,
          getter || noop,
          noop,
          computedWatcherOptions
        );
      }

      // component-defined computed properties are already defined on the
      // component prototype. We only need to define computed properties defined
      // at instantiation here.
      if (!(key in vm)) {
        defineComputed(vm, key, userDef);
      } else {
        if (key in vm.$data) {
          warn(("The computed property \"" + key + "\" is already defined in data."), vm);
        } else if (vm.$options.props && key in vm.$options.props) {
          warn(("The computed property \"" + key + "\" is already defined as a prop."), vm);
        }
      }
    }
  }

  function defineComputed (
    target,
    key,
    userDef
  ) {
    var shouldCache = !isServerRendering();
    if (typeof userDef === 'function') {
      sharedPropertyDefinition.get = shouldCache
        ? createComputedGetter(key)
        : createGetterInvoker(userDef);
      sharedPropertyDefinition.set = noop;
    } else {
      sharedPropertyDefinition.get = userDef.get
        ? shouldCache && userDef.cache !== false
          ? createComputedGetter(key)
          : createGetterInvoker(userDef.get)
        : noop;
      sharedPropertyDefinition.set = userDef.set || noop;
    }
    if (sharedPropertyDefinition.set === noop) {
      sharedPropertyDefinition.set = function () {
        warn(
          ("Computed property \"" + key + "\" was assigned to but it has no setter."),
          this
        );
      };
    }
    Object.defineProperty(target, key, sharedPropertyDefinition);
  }

  function createComputedGetter (key) {
    return function computedGetter () {
      var watcher = this._computedWatchers && this._computedWatchers[key];
      if (watcher) {
        if (watcher.dirty) {
          watcher.evaluate();
        }
        if (Dep.target) {
          watcher.depend();
        }
        return watcher.value
      }
    }
  }

  function createGetterInvoker(fn) {
    return function computedGetter () {
      return fn.call(this, this)
    }
  }

  function initMethods (vm, methods) {
    var props = vm.$options.props;
    for (var key in methods) {
      {
        if (typeof methods[key] !== 'function') {
          warn(
            "Method \"" + key + "\" has type \"" + (typeof methods[key]) + "\" in the component definition. " +
            "Did you reference the function correctly?",
            vm
          );
        }
        if (props && hasOwn(props, key)) {
          warn(
            ("Method \"" + key + "\" has already been defined as a prop."),
            vm
          );
        }
        if ((key in vm) && isReserved(key)) {
          warn(
            "Method \"" + key + "\" conflicts with an existing Vue instance method. " +
            "Avoid defining component methods that start with _ or $."
          );
        }
      }
      vm[key] = typeof methods[key] !== 'function' ? noop : bind(methods[key], vm);
    }
  }

  function initWatch (vm, watch) {
    for (var key in watch) {
      var handler = watch[key];
      if (Array.isArray(handler)) {
        for (var i = 0; i < handler.length; i++) {
          createWatcher(vm, key, handler[i]);
        }
      } else {
        createWatcher(vm, key, handler);
      }
    }
  }

  function createWatcher (
    vm,
    expOrFn,
    handler,
    options
  ) {
    if (isPlainObject(handler)) {
      options = handler;
      handler = handler.handler;
    }
    if (typeof handler === 'string') {
      handler = vm[handler];
    }
    return vm.$watch(expOrFn, handler, options)
  }

  function stateMixin (Vue) {
    // flow somehow has problems with directly declared definition object
    // when using Object.defineProperty, so we have to procedurally build up
    // the object here.
    var dataDef = {};
    dataDef.get = function () { return this._data };
    var propsDef = {};
    propsDef.get = function () { return this._props };
    {
      dataDef.set = function () {
        warn(
          'Avoid replacing instance root $data. ' +
          'Use nested data properties instead.',
          this
        );
      };
      propsDef.set = function () {
        warn("$props is readonly.", this);
      };
    }
    Object.defineProperty(Vue.prototype, '$data', dataDef);
    Object.defineProperty(Vue.prototype, '$props', propsDef);

    Vue.prototype.$set = set;
    Vue.prototype.$delete = del;

    Vue.prototype.$watch = function (
      expOrFn,
      cb,
      options
    ) {
      var vm = this;
      if (isPlainObject(cb)) {
        return createWatcher(vm, expOrFn, cb, options)
      }
      options = options || {};
      options.user = true;
      var watcher = new Watcher(vm, expOrFn, cb, options);
      if (options.immediate) {
        try {
          cb.call(vm, watcher.value);
        } catch (error) {
          handleError(error, vm, ("callback for immediate watcher \"" + (watcher.expression) + "\""));
        }
      }
      return function unwatchFn () {
        watcher.teardown();
      }
    };
  }

  /*  */

  var uid$3 = 0;

  function initMixin (Vue) {
    Vue.prototype._init = function (options) {
      var vm = this;
      // a uid
      vm._uid = uid$3++;

      var startTag, endTag;
      /* istanbul ignore if */
      if (config.performance && mark) {
        startTag = "vue-perf-start:" + (vm._uid);
        endTag = "vue-perf-end:" + (vm._uid);
        mark(startTag);
      }

      // a flag to avoid this being observed
      vm._isVue = true;
      // merge options
      if (options && options._isComponent) {
        // optimize internal component instantiation
        // since dynamic options merging is pretty slow, and none of the
        // internal component options needs special treatment.
        initInternalComponent(vm, options);
      } else {
        vm.$options = mergeOptions(
          resolveConstructorOptions(vm.constructor),
          options || {},
          vm
        );
      }
      /* istanbul ignore else */
      {
        initProxy(vm);
      }
      // expose real self
      vm._self = vm;
      initLifecycle(vm);
      initEvents(vm);
      initRender(vm);
      callHook(vm, 'beforeCreate');
      initInjections(vm); // resolve injections before data/props
      initState(vm);
      initProvide(vm); // resolve provide after data/props
      callHook(vm, 'created');

      /* istanbul ignore if */
      if (config.performance && mark) {
        vm._name = formatComponentName(vm, false);
        mark(endTag);
        measure(("vue " + (vm._name) + " init"), startTag, endTag);
      }

      if (vm.$options.el) {
        vm.$mount(vm.$options.el);
      }
    };
  }

  function initInternalComponent (vm, options) {
    var opts = vm.$options = Object.create(vm.constructor.options);
    // doing this because it's faster than dynamic enumeration.
    var parentVnode = options._parentVnode;
    opts.parent = options.parent;
    opts._parentVnode = parentVnode;

    var vnodeComponentOptions = parentVnode.componentOptions;
    opts.propsData = vnodeComponentOptions.propsData;
    opts._parentListeners = vnodeComponentOptions.listeners;
    opts._renderChildren = vnodeComponentOptions.children;
    opts._componentTag = vnodeComponentOptions.tag;

    if (options.render) {
      opts.render = options.render;
      opts.staticRenderFns = options.staticRenderFns;
    }
  }

  function resolveConstructorOptions (Ctor) {
    var options = Ctor.options;
    if (Ctor.super) {
      var superOptions = resolveConstructorOptions(Ctor.super);
      var cachedSuperOptions = Ctor.superOptions;
      if (superOptions !== cachedSuperOptions) {
        // super option changed,
        // need to resolve new options.
        Ctor.superOptions = superOptions;
        // check if there are any late-modified/attached options (#4976)
        var modifiedOptions = resolveModifiedOptions(Ctor);
        // update base extend options
        if (modifiedOptions) {
          extend(Ctor.extendOptions, modifiedOptions);
        }
        options = Ctor.options = mergeOptions(superOptions, Ctor.extendOptions);
        if (options.name) {
          options.components[options.name] = Ctor;
        }
      }
    }
    return options
  }

  function resolveModifiedOptions (Ctor) {
    var modified;
    var latest = Ctor.options;
    var sealed = Ctor.sealedOptions;
    for (var key in latest) {
      if (latest[key] !== sealed[key]) {
        if (!modified) { modified = {}; }
        modified[key] = latest[key];
      }
    }
    return modified
  }

  function Vue (options) {
    if (!(this instanceof Vue)
    ) {
      warn('Vue is a constructor and should be called with the `new` keyword');
    }
    this._init(options);
  }

  initMixin(Vue);
  stateMixin(Vue);
  eventsMixin(Vue);
  lifecycleMixin(Vue);
  renderMixin(Vue);

  /*  */

  function initUse (Vue) {
    Vue.use = function (plugin) {
      var installedPlugins = (this._installedPlugins || (this._installedPlugins = []));
      if (installedPlugins.indexOf(plugin) > -1) {
        return this
      }

      // additional parameters
      var args = toArray(arguments, 1);
      args.unshift(this);
      if (typeof plugin.install === 'function') {
        plugin.install.apply(plugin, args);
      } else if (typeof plugin === 'function') {
        plugin.apply(null, args);
      }
      installedPlugins.push(plugin);
      return this
    };
  }

  /*  */

  function initMixin$1 (Vue) {
    Vue.mixin = function (mixin) {
      this.options = mergeOptions(this.options, mixin);
      return this
    };
  }

  /*  */

  function initExtend (Vue) {
    /**
     * Each instance constructor, including Vue, has a unique
     * cid. This enables us to create wrapped "child
     * constructors" for prototypal inheritance and cache them.
     */
    Vue.cid = 0;
    var cid = 1;

    /**
     * Class inheritance
     */
    Vue.extend = function (extendOptions) {
      extendOptions = extendOptions || {};
      var Super = this;
      var SuperId = Super.cid;
      var cachedCtors = extendOptions._Ctor || (extendOptions._Ctor = {});
      if (cachedCtors[SuperId]) {
        return cachedCtors[SuperId]
      }

      var name = extendOptions.name || Super.options.name;
      if (name) {
        validateComponentName(name);
      }

      var Sub = function VueComponent (options) {
        this._init(options);
      };
      Sub.prototype = Object.create(Super.prototype);
      Sub.prototype.constructor = Sub;
      Sub.cid = cid++;
      Sub.options = mergeOptions(
        Super.options,
        extendOptions
      );
      Sub['super'] = Super;

      // For props and computed properties, we define the proxy getters on
      // the Vue instances at extension time, on the extended prototype. This
      // avoids Object.defineProperty calls for each instance created.
      if (Sub.options.props) {
        initProps$1(Sub);
      }
      if (Sub.options.computed) {
        initComputed$1(Sub);
      }

      // allow further extension/mixin/plugin usage
      Sub.extend = Super.extend;
      Sub.mixin = Super.mixin;
      Sub.use = Super.use;

      // create asset registers, so extended classes
      // can have their private assets too.
      ASSET_TYPES.forEach(function (type) {
        Sub[type] = Super[type];
      });
      // enable recursive self-lookup
      if (name) {
        Sub.options.components[name] = Sub;
      }

      // keep a reference to the super options at extension time.
      // later at instantiation we can check if Super's options have
      // been updated.
      Sub.superOptions = Super.options;
      Sub.extendOptions = extendOptions;
      Sub.sealedOptions = extend({}, Sub.options);

      // cache constructor
      cachedCtors[SuperId] = Sub;
      return Sub
    };
  }

  function initProps$1 (Comp) {
    var props = Comp.options.props;
    for (var key in props) {
      proxy(Comp.prototype, "_props", key);
    }
  }

  function initComputed$1 (Comp) {
    var computed = Comp.options.computed;
    for (var key in computed) {
      defineComputed(Comp.prototype, key, computed[key]);
    }
  }

  /*  */

  function initAssetRegisters (Vue) {
    /**
     * Create asset registration methods.
     */
    ASSET_TYPES.forEach(function (type) {
      Vue[type] = function (
        id,
        definition
      ) {
        if (!definition) {
          return this.options[type + 's'][id]
        } else {
          /* istanbul ignore if */
          if (type === 'component') {
            validateComponentName(id);
          }
          if (type === 'component' && isPlainObject(definition)) {
            definition.name = definition.name || id;
            definition = this.options._base.extend(definition);
          }
          if (type === 'directive' && typeof definition === 'function') {
            definition = { bind: definition, update: definition };
          }
          this.options[type + 's'][id] = definition;
          return definition
        }
      };
    });
  }

  /*  */



  function getComponentName (opts) {
    return opts && (opts.Ctor.options.name || opts.tag)
  }

  function matches (pattern, name) {
    if (Array.isArray(pattern)) {
      return pattern.indexOf(name) > -1
    } else if (typeof pattern === 'string') {
      return pattern.split(',').indexOf(name) > -1
    } else if (isRegExp(pattern)) {
      return pattern.test(name)
    }
    /* istanbul ignore next */
    return false
  }

  function pruneCache (keepAliveInstance, filter) {
    var cache = keepAliveInstance.cache;
    var keys = keepAliveInstance.keys;
    var _vnode = keepAliveInstance._vnode;
    for (var key in cache) {
      var cachedNode = cache[key];
      if (cachedNode) {
        var name = getComponentName(cachedNode.componentOptions);
        if (name && !filter(name)) {
          pruneCacheEntry(cache, key, keys, _vnode);
        }
      }
    }
  }

  function pruneCacheEntry (
    cache,
    key,
    keys,
    current
  ) {
    var cached$$1 = cache[key];
    if (cached$$1 && (!current || cached$$1.tag !== current.tag)) {
      cached$$1.componentInstance.$destroy();
    }
    cache[key] = null;
    remove(keys, key);
  }

  var patternTypes = [String, RegExp, Array];

  var KeepAlive = {
    name: 'keep-alive',
    abstract: true,

    props: {
      include: patternTypes,
      exclude: patternTypes,
      max: [String, Number]
    },

    created: function created () {
      this.cache = Object.create(null);
      this.keys = [];
    },

    destroyed: function destroyed () {
      for (var key in this.cache) {
        pruneCacheEntry(this.cache, key, this.keys);
      }
    },

    mounted: function mounted () {
      var this$1 = this;

      this.$watch('include', function (val) {
        pruneCache(this$1, function (name) { return matches(val, name); });
      });
      this.$watch('exclude', function (val) {
        pruneCache(this$1, function (name) { return !matches(val, name); });
      });
    },

    render: function render () {
      var slot = this.$slots.default;
      var vnode = getFirstComponentChild(slot);
      var componentOptions = vnode && vnode.componentOptions;
      if (componentOptions) {
        // check pattern
        var name = getComponentName(componentOptions);
        var ref = this;
        var include = ref.include;
        var exclude = ref.exclude;
        if (
          // not included
          (include && (!name || !matches(include, name))) ||
          // excluded
          (exclude && name && matches(exclude, name))
        ) {
          return vnode
        }

        var ref$1 = this;
        var cache = ref$1.cache;
        var keys = ref$1.keys;
        var key = vnode.key == null
          // same constructor may get registered as different local components
          // so cid alone is not enough (#3269)
          ? componentOptions.Ctor.cid + (componentOptions.tag ? ("::" + (componentOptions.tag)) : '')
          : vnode.key;
        if (cache[key]) {
          vnode.componentInstance = cache[key].componentInstance;
          // make current key freshest
          remove(keys, key);
          keys.push(key);
        } else {
          cache[key] = vnode;
          keys.push(key);
          // prune oldest entry
          if (this.max && keys.length > parseInt(this.max)) {
            pruneCacheEntry(cache, keys[0], keys, this._vnode);
          }
        }

        vnode.data.keepAlive = true;
      }
      return vnode || (slot && slot[0])
    }
  };

  var builtInComponents = {
    KeepAlive: KeepAlive
  };

  /*  */

  function initGlobalAPI (Vue) {
    // config
    var configDef = {};
    configDef.get = function () { return config; };
    {
      configDef.set = function () {
        warn(
          'Do not replace the Vue.config object, set individual fields instead.'
        );
      };
    }
    Object.defineProperty(Vue, 'config', configDef);

    // exposed util methods.
    // NOTE: these are not considered part of the public API - avoid relying on
    // them unless you are aware of the risk.
    Vue.util = {
      warn: warn,
      extend: extend,
      mergeOptions: mergeOptions,
      defineReactive: defineReactive$$1
    };

    Vue.set = set;
    Vue.delete = del;
    Vue.nextTick = nextTick;

    // 2.6 explicit observable API
    Vue.observable = function (obj) {
      observe(obj);
      return obj
    };

    Vue.options = Object.create(null);
    ASSET_TYPES.forEach(function (type) {
      Vue.options[type + 's'] = Object.create(null);
    });

    // this is used to identify the "base" constructor to extend all plain-object
    // components with in Weex's multi-instance scenarios.
    Vue.options._base = Vue;

    extend(Vue.options.components, builtInComponents);

    initUse(Vue);
    initMixin$1(Vue);
    initExtend(Vue);
    initAssetRegisters(Vue);
  }

  initGlobalAPI(Vue);

  Object.defineProperty(Vue.prototype, '$isServer', {
    get: isServerRendering
  });

  Object.defineProperty(Vue.prototype, '$ssrContext', {
    get: function get () {
      /* istanbul ignore next */
      return this.$vnode && this.$vnode.ssrContext
    }
  });

  // expose FunctionalRenderContext for ssr runtime helper installation
  Object.defineProperty(Vue, 'FunctionalRenderContext', {
    value: FunctionalRenderContext
  });

  Vue.version = '2.6.10';

  /*  */

  // these are reserved for web because they are directly compiled away
  // during template compilation
  var isReservedAttr = makeMap('style,class');

  // attributes that should be using props for binding
  var acceptValue = makeMap('input,textarea,option,select,progress');
  var mustUseProp = function (tag, type, attr) {
    return (
      (attr === 'value' && acceptValue(tag)) && type !== 'button' ||
      (attr === 'selected' && tag === 'option') ||
      (attr === 'checked' && tag === 'input') ||
      (attr === 'muted' && tag === 'video')
    )
  };

  var isEnumeratedAttr = makeMap('contenteditable,draggable,spellcheck');

  var isValidContentEditableValue = makeMap('events,caret,typing,plaintext-only');

  var convertEnumeratedValue = function (key, value) {
    return isFalsyAttrValue(value) || value === 'false'
      ? 'false'
      // allow arbitrary string value for contenteditable
      : key === 'contenteditable' && isValidContentEditableValue(value)
        ? value
        : 'true'
  };

  var isBooleanAttr = makeMap(
    'allowfullscreen,async,autofocus,autoplay,checked,compact,controls,declare,' +
    'default,defaultchecked,defaultmuted,defaultselected,defer,disabled,' +
    'enabled,formnovalidate,hidden,indeterminate,inert,ismap,itemscope,loop,multiple,' +
    'muted,nohref,noresize,noshade,novalidate,nowrap,open,pauseonexit,readonly,' +
    'required,reversed,scoped,seamless,selected,sortable,translate,' +
    'truespeed,typemustmatch,visible'
  );

  var xlinkNS = 'http://www.w3.org/1999/xlink';

  var isXlink = function (name) {
    return name.charAt(5) === ':' && name.slice(0, 5) === 'xlink'
  };

  var getXlinkProp = function (name) {
    return isXlink(name) ? name.slice(6, name.length) : ''
  };

  var isFalsyAttrValue = function (val) {
    return val == null || val === false
  };

  /*  */

  function genClassForVnode (vnode) {
    var data = vnode.data;
    var parentNode = vnode;
    var childNode = vnode;
    while (isDef(childNode.componentInstance)) {
      childNode = childNode.componentInstance._vnode;
      if (childNode && childNode.data) {
        data = mergeClassData(childNode.data, data);
      }
    }
    while (isDef(parentNode = parentNode.parent)) {
      if (parentNode && parentNode.data) {
        data = mergeClassData(data, parentNode.data);
      }
    }
    return renderClass(data.staticClass, data.class)
  }

  function mergeClassData (child, parent) {
    return {
      staticClass: concat(child.staticClass, parent.staticClass),
      class: isDef(child.class)
        ? [child.class, parent.class]
        : parent.class
    }
  }

  function renderClass (
    staticClass,
    dynamicClass
  ) {
    if (isDef(staticClass) || isDef(dynamicClass)) {
      return concat(staticClass, stringifyClass(dynamicClass))
    }
    /* istanbul ignore next */
    return ''
  }

  function concat (a, b) {
    return a ? b ? (a + ' ' + b) : a : (b || '')
  }

  function stringifyClass (value) {
    if (Array.isArray(value)) {
      return stringifyArray(value)
    }
    if (isObject(value)) {
      return stringifyObject(value)
    }
    if (typeof value === 'string') {
      return value
    }
    /* istanbul ignore next */
    return ''
  }

  function stringifyArray (value) {
    var res = '';
    var stringified;
    for (var i = 0, l = value.length; i < l; i++) {
      if (isDef(stringified = stringifyClass(value[i])) && stringified !== '') {
        if (res) { res += ' '; }
        res += stringified;
      }
    }
    return res
  }

  function stringifyObject (value) {
    var res = '';
    for (var key in value) {
      if (value[key]) {
        if (res) { res += ' '; }
        res += key;
      }
    }
    return res
  }

  /*  */

  var namespaceMap = {
    svg: 'http://www.w3.org/2000/svg',
    math: 'http://www.w3.org/1998/Math/MathML'
  };

  var isHTMLTag = makeMap(
    'html,body,base,head,link,meta,style,title,' +
    'address,article,aside,footer,header,h1,h2,h3,h4,h5,h6,hgroup,nav,section,' +
    'div,dd,dl,dt,figcaption,figure,picture,hr,img,li,main,ol,p,pre,ul,' +
    'a,b,abbr,bdi,bdo,br,cite,code,data,dfn,em,i,kbd,mark,q,rp,rt,rtc,ruby,' +
    's,samp,small,span,strong,sub,sup,time,u,var,wbr,area,audio,map,track,video,' +
    'embed,object,param,source,canvas,script,noscript,del,ins,' +
    'caption,col,colgroup,table,thead,tbody,td,th,tr,' +
    'button,datalist,fieldset,form,input,label,legend,meter,optgroup,option,' +
    'output,progress,select,textarea,' +
    'details,dialog,menu,menuitem,summary,' +
    'content,element,shadow,template,blockquote,iframe,tfoot'
  );

  // this map is intentionally selective, only covering SVG elements that may
  // contain child elements.
  var isSVG = makeMap(
    'svg,animate,circle,clippath,cursor,defs,desc,ellipse,filter,font-face,' +
    'foreignObject,g,glyph,image,line,marker,mask,missing-glyph,path,pattern,' +
    'polygon,polyline,rect,switch,symbol,text,textpath,tspan,use,view',
    true
  );

  var isPreTag = function (tag) { return tag === 'pre'; };

  var isReservedTag = function (tag) {
    return isHTMLTag(tag) || isSVG(tag)
  };

  function getTagNamespace (tag) {
    if (isSVG(tag)) {
      return 'svg'
    }
    // basic support for MathML
    // note it doesn't support other MathML elements being component roots
    if (tag === 'math') {
      return 'math'
    }
  }

  var unknownElementCache = Object.create(null);
  function isUnknownElement (tag) {
    /* istanbul ignore if */
    if (!inBrowser) {
      return true
    }
    if (isReservedTag(tag)) {
      return false
    }
    tag = tag.toLowerCase();
    /* istanbul ignore if */
    if (unknownElementCache[tag] != null) {
      return unknownElementCache[tag]
    }
    var el = document.createElement(tag);
    if (tag.indexOf('-') > -1) {
      // http://stackoverflow.com/a/28210364/1070244
      return (unknownElementCache[tag] = (
        el.constructor === window.HTMLUnknownElement ||
        el.constructor === window.HTMLElement
      ))
    } else {
      return (unknownElementCache[tag] = /HTMLUnknownElement/.test(el.toString()))
    }
  }

  var isTextInputType = makeMap('text,number,password,search,email,tel,url');

  /*  */

  /**
   * Query an element selector if it's not an element already.
   */
  function query (el) {
    if (typeof el === 'string') {
      var selected = document.querySelector(el);
      if (!selected) {
        warn(
          'Cannot find element: ' + el
        );
        return document.createElement('div')
      }
      return selected
    } else {
      return el
    }
  }

  /*  */

  function createElement$1 (tagName, vnode) {
    var elm = document.createElement(tagName);
    if (tagName !== 'select') {
      return elm
    }
    // false or null will remove the attribute but undefined will not
    if (vnode.data && vnode.data.attrs && vnode.data.attrs.multiple !== undefined) {
      elm.setAttribute('multiple', 'multiple');
    }
    return elm
  }

  function createElementNS (namespace, tagName) {
    return document.createElementNS(namespaceMap[namespace], tagName)
  }

  function createTextNode (text) {
    return document.createTextNode(text)
  }

  function createComment (text) {
    return document.createComment(text)
  }

  function insertBefore (parentNode, newNode, referenceNode) {
    parentNode.insertBefore(newNode, referenceNode);
  }

  function removeChild (node, child) {
    node.removeChild(child);
  }

  function appendChild (node, child) {
    node.appendChild(child);
  }

  function parentNode (node) {
    return node.parentNode
  }

  function nextSibling (node) {
    return node.nextSibling
  }

  function tagName (node) {
    return node.tagName
  }

  function setTextContent (node, text) {
    node.textContent = text;
  }

  function setStyleScope (node, scopeId) {
    node.setAttribute(scopeId, '');
  }

  var nodeOps = /*#__PURE__*/Object.freeze({
    createElement: createElement$1,
    createElementNS: createElementNS,
    createTextNode: createTextNode,
    createComment: createComment,
    insertBefore: insertBefore,
    removeChild: removeChild,
    appendChild: appendChild,
    parentNode: parentNode,
    nextSibling: nextSibling,
    tagName: tagName,
    setTextContent: setTextContent,
    setStyleScope: setStyleScope
  });

  /*  */

  var ref = {
    create: function create (_, vnode) {
      registerRef(vnode);
    },
    update: function update (oldVnode, vnode) {
      if (oldVnode.data.ref !== vnode.data.ref) {
        registerRef(oldVnode, true);
        registerRef(vnode);
      }
    },
    destroy: function destroy (vnode) {
      registerRef(vnode, true);
    }
  };

  function registerRef (vnode, isRemoval) {
    var key = vnode.data.ref;
    if (!isDef(key)) { return }

    var vm = vnode.context;
    var ref = vnode.componentInstance || vnode.elm;
    var refs = vm.$refs;
    if (isRemoval) {
      if (Array.isArray(refs[key])) {
        remove(refs[key], ref);
      } else if (refs[key] === ref) {
        refs[key] = undefined;
      }
    } else {
      if (vnode.data.refInFor) {
        if (!Array.isArray(refs[key])) {
          refs[key] = [ref];
        } else if (refs[key].indexOf(ref) < 0) {
          // $flow-disable-line
          refs[key].push(ref);
        }
      } else {
        refs[key] = ref;
      }
    }
  }

  /**
   * Virtual DOM patching algorithm based on Snabbdom by
   * Simon Friis Vindum (@paldepind)
   * Licensed under the MIT License
   * https://github.com/paldepind/snabbdom/blob/master/LICENSE
   *
   * modified by Evan You (@yyx990803)
   *
   * Not type-checking this because this file is perf-critical and the cost
   * of making flow understand it is not worth it.
   */

  var emptyNode = new VNode('', {}, []);

  var hooks = ['create', 'activate', 'update', 'remove', 'destroy'];

  function sameVnode (a, b) {
    return (
      a.key === b.key && (
        (
          a.tag === b.tag &&
          a.isComment === b.isComment &&
          isDef(a.data) === isDef(b.data) &&
          sameInputType(a, b)
        ) || (
          isTrue(a.isAsyncPlaceholder) &&
          a.asyncFactory === b.asyncFactory &&
          isUndef(b.asyncFactory.error)
        )
      )
    )
  }

  function sameInputType (a, b) {
    if (a.tag !== 'input') { return true }
    var i;
    var typeA = isDef(i = a.data) && isDef(i = i.attrs) && i.type;
    var typeB = isDef(i = b.data) && isDef(i = i.attrs) && i.type;
    return typeA === typeB || isTextInputType(typeA) && isTextInputType(typeB)
  }

  function createKeyToOldIdx (children, beginIdx, endIdx) {
    var i, key;
    var map = {};
    for (i = beginIdx; i <= endIdx; ++i) {
      key = children[i].key;
      if (isDef(key)) { map[key] = i; }
    }
    return map
  }

  function createPatchFunction (backend) {
    var i, j;
    var cbs = {};

    var modules = backend.modules;
    var nodeOps = backend.nodeOps;

    for (i = 0; i < hooks.length; ++i) {
      cbs[hooks[i]] = [];
      for (j = 0; j < modules.length; ++j) {
        if (isDef(modules[j][hooks[i]])) {
          cbs[hooks[i]].push(modules[j][hooks[i]]);
        }
      }
    }

    function emptyNodeAt (elm) {
      return new VNode(nodeOps.tagName(elm).toLowerCase(), {}, [], undefined, elm)
    }

    function createRmCb (childElm, listeners) {
      function remove$$1 () {
        if (--remove$$1.listeners === 0) {
          removeNode(childElm);
        }
      }
      remove$$1.listeners = listeners;
      return remove$$1
    }

    function removeNode (el) {
      var parent = nodeOps.parentNode(el);
      // element may have already been removed due to v-html / v-text
      if (isDef(parent)) {
        nodeOps.removeChild(parent, el);
      }
    }

    function isUnknownElement$$1 (vnode, inVPre) {
      return (
        !inVPre &&
        !vnode.ns &&
        !(
          config.ignoredElements.length &&
          config.ignoredElements.some(function (ignore) {
            return isRegExp(ignore)
              ? ignore.test(vnode.tag)
              : ignore === vnode.tag
          })
        ) &&
        config.isUnknownElement(vnode.tag)
      )
    }

    var creatingElmInVPre = 0;

    function createElm (
      vnode,
      insertedVnodeQueue,
      parentElm,
      refElm,
      nested,
      ownerArray,
      index
    ) {
      if (isDef(vnode.elm) && isDef(ownerArray)) {
        // This vnode was used in a previous render!
        // now it's used as a new node, overwriting its elm would cause
        // potential patch errors down the road when it's used as an insertion
        // reference node. Instead, we clone the node on-demand before creating
        // associated DOM element for it.
        vnode = ownerArray[index] = cloneVNode(vnode);
      }

      vnode.isRootInsert = !nested; // for transition enter check
      if (createComponent(vnode, insertedVnodeQueue, parentElm, refElm)) {
        return
      }

      var data = vnode.data;
      var children = vnode.children;
      var tag = vnode.tag;
      if (isDef(tag)) {
        {
          if (data && data.pre) {
            creatingElmInVPre++;
          }
          if (isUnknownElement$$1(vnode, creatingElmInVPre)) {
            warn(
              'Unknown custom element: <' + tag + '> - did you ' +
              'register the component correctly? For recursive components, ' +
              'make sure to provide the "name" option.',
              vnode.context
            );
          }
        }

        vnode.elm = vnode.ns
          ? nodeOps.createElementNS(vnode.ns, tag)
          : nodeOps.createElement(tag, vnode);
        setScope(vnode);

        /* istanbul ignore if */
        {
          createChildren(vnode, children, insertedVnodeQueue);
          if (isDef(data)) {
            invokeCreateHooks(vnode, insertedVnodeQueue);
          }
          insert(parentElm, vnode.elm, refElm);
        }

        if (data && data.pre) {
          creatingElmInVPre--;
        }
      } else if (isTrue(vnode.isComment)) {
        vnode.elm = nodeOps.createComment(vnode.text);
        insert(parentElm, vnode.elm, refElm);
      } else {
        vnode.elm = nodeOps.createTextNode(vnode.text);
        insert(parentElm, vnode.elm, refElm);
      }
    }

    function createComponent (vnode, insertedVnodeQueue, parentElm, refElm) {
      var i = vnode.data;
      if (isDef(i)) {
        var isReactivated = isDef(vnode.componentInstance) && i.keepAlive;
        if (isDef(i = i.hook) && isDef(i = i.init)) {
          i(vnode, false /* hydrating */);
        }
        // after calling the init hook, if the vnode is a child component
        // it should've created a child instance and mounted it. the child
        // component also has set the placeholder vnode's elm.
        // in that case we can just return the element and be done.
        if (isDef(vnode.componentInstance)) {
          initComponent(vnode, insertedVnodeQueue);
          insert(parentElm, vnode.elm, refElm);
          if (isTrue(isReactivated)) {
            reactivateComponent(vnode, insertedVnodeQueue, parentElm, refElm);
          }
          return true
        }
      }
    }

    function initComponent (vnode, insertedVnodeQueue) {
      if (isDef(vnode.data.pendingInsert)) {
        insertedVnodeQueue.push.apply(insertedVnodeQueue, vnode.data.pendingInsert);
        vnode.data.pendingInsert = null;
      }
      vnode.elm = vnode.componentInstance.$el;
      if (isPatchable(vnode)) {
        invokeCreateHooks(vnode, insertedVnodeQueue);
        setScope(vnode);
      } else {
        // empty component root.
        // skip all element-related modules except for ref (#3455)
        registerRef(vnode);
        // make sure to invoke the insert hook
        insertedVnodeQueue.push(vnode);
      }
    }

    function reactivateComponent (vnode, insertedVnodeQueue, parentElm, refElm) {
      var i;
      // hack for #4339: a reactivated component with inner transition
      // does not trigger because the inner node's created hooks are not called
      // again. It's not ideal to involve module-specific logic in here but
      // there doesn't seem to be a better way to do it.
      var innerNode = vnode;
      while (innerNode.componentInstance) {
        innerNode = innerNode.componentInstance._vnode;
        if (isDef(i = innerNode.data) && isDef(i = i.transition)) {
          for (i = 0; i < cbs.activate.length; ++i) {
            cbs.activate[i](emptyNode, innerNode);
          }
          insertedVnodeQueue.push(innerNode);
          break
        }
      }
      // unlike a newly created component,
      // a reactivated keep-alive component doesn't insert itself
      insert(parentElm, vnode.elm, refElm);
    }

    function insert (parent, elm, ref$$1) {
      if (isDef(parent)) {
        if (isDef(ref$$1)) {
          if (nodeOps.parentNode(ref$$1) === parent) {
            nodeOps.insertBefore(parent, elm, ref$$1);
          }
        } else {
          nodeOps.appendChild(parent, elm);
        }
      }
    }

    function createChildren (vnode, children, insertedVnodeQueue) {
      if (Array.isArray(children)) {
        {
          checkDuplicateKeys(children);
        }
        for (var i = 0; i < children.length; ++i) {
          createElm(children[i], insertedVnodeQueue, vnode.elm, null, true, children, i);
        }
      } else if (isPrimitive(vnode.text)) {
        nodeOps.appendChild(vnode.elm, nodeOps.createTextNode(String(vnode.text)));
      }
    }

    function isPatchable (vnode) {
      while (vnode.componentInstance) {
        vnode = vnode.componentInstance._vnode;
      }
      return isDef(vnode.tag)
    }

    function invokeCreateHooks (vnode, insertedVnodeQueue) {
      for (var i$1 = 0; i$1 < cbs.create.length; ++i$1) {
        cbs.create[i$1](emptyNode, vnode);
      }
      i = vnode.data.hook; // Reuse variable
      if (isDef(i)) {
        if (isDef(i.create)) { i.create(emptyNode, vnode); }
        if (isDef(i.insert)) { insertedVnodeQueue.push(vnode); }
      }
    }

    // set scope id attribute for scoped CSS.
    // this is implemented as a special case to avoid the overhead
    // of going through the normal attribute patching process.
    function setScope (vnode) {
      var i;
      if (isDef(i = vnode.fnScopeId)) {
        nodeOps.setStyleScope(vnode.elm, i);
      } else {
        var ancestor = vnode;
        while (ancestor) {
          if (isDef(i = ancestor.context) && isDef(i = i.$options._scopeId)) {
            nodeOps.setStyleScope(vnode.elm, i);
          }
          ancestor = ancestor.parent;
        }
      }
      // for slot content they should also get the scopeId from the host instance.
      if (isDef(i = activeInstance) &&
        i !== vnode.context &&
        i !== vnode.fnContext &&
        isDef(i = i.$options._scopeId)
      ) {
        nodeOps.setStyleScope(vnode.elm, i);
      }
    }

    function addVnodes (parentElm, refElm, vnodes, startIdx, endIdx, insertedVnodeQueue) {
      for (; startIdx <= endIdx; ++startIdx) {
        createElm(vnodes[startIdx], insertedVnodeQueue, parentElm, refElm, false, vnodes, startIdx);
      }
    }

    function invokeDestroyHook (vnode) {
      var i, j;
      var data = vnode.data;
      if (isDef(data)) {
        if (isDef(i = data.hook) && isDef(i = i.destroy)) { i(vnode); }
        for (i = 0; i < cbs.destroy.length; ++i) { cbs.destroy[i](vnode); }
      }
      if (isDef(i = vnode.children)) {
        for (j = 0; j < vnode.children.length; ++j) {
          invokeDestroyHook(vnode.children[j]);
        }
      }
    }

    function removeVnodes (parentElm, vnodes, startIdx, endIdx) {
      for (; startIdx <= endIdx; ++startIdx) {
        var ch = vnodes[startIdx];
        if (isDef(ch)) {
          if (isDef(ch.tag)) {
            removeAndInvokeRemoveHook(ch);
            invokeDestroyHook(ch);
          } else { // Text node
            removeNode(ch.elm);
          }
        }
      }
    }

    function removeAndInvokeRemoveHook (vnode, rm) {
      if (isDef(rm) || isDef(vnode.data)) {
        var i;
        var listeners = cbs.remove.length + 1;
        if (isDef(rm)) {
          // we have a recursively passed down rm callback
          // increase the listeners count
          rm.listeners += listeners;
        } else {
          // directly removing
          rm = createRmCb(vnode.elm, listeners);
        }
        // recursively invoke hooks on child component root node
        if (isDef(i = vnode.componentInstance) && isDef(i = i._vnode) && isDef(i.data)) {
          removeAndInvokeRemoveHook(i, rm);
        }
        for (i = 0; i < cbs.remove.length; ++i) {
          cbs.remove[i](vnode, rm);
        }
        if (isDef(i = vnode.data.hook) && isDef(i = i.remove)) {
          i(vnode, rm);
        } else {
          rm();
        }
      } else {
        removeNode(vnode.elm);
      }
    }

    function updateChildren (parentElm, oldCh, newCh, insertedVnodeQueue, removeOnly) {
      var oldStartIdx = 0;
      var newStartIdx = 0;
      var oldEndIdx = oldCh.length - 1;
      var oldStartVnode = oldCh[0];
      var oldEndVnode = oldCh[oldEndIdx];
      var newEndIdx = newCh.length - 1;
      var newStartVnode = newCh[0];
      var newEndVnode = newCh[newEndIdx];
      var oldKeyToIdx, idxInOld, vnodeToMove, refElm;

      // removeOnly is a special flag used only by <transition-group>
      // to ensure removed elements stay in correct relative positions
      // during leaving transitions
      var canMove = !removeOnly;

      {
        checkDuplicateKeys(newCh);
      }

      while (oldStartIdx <= oldEndIdx && newStartIdx <= newEndIdx) {
        if (isUndef(oldStartVnode)) {
          oldStartVnode = oldCh[++oldStartIdx]; // Vnode has been moved left
        } else if (isUndef(oldEndVnode)) {
          oldEndVnode = oldCh[--oldEndIdx];
        } else if (sameVnode(oldStartVnode, newStartVnode)) {
          patchVnode(oldStartVnode, newStartVnode, insertedVnodeQueue, newCh, newStartIdx);
          oldStartVnode = oldCh[++oldStartIdx];
          newStartVnode = newCh[++newStartIdx];
        } else if (sameVnode(oldEndVnode, newEndVnode)) {
          patchVnode(oldEndVnode, newEndVnode, insertedVnodeQueue, newCh, newEndIdx);
          oldEndVnode = oldCh[--oldEndIdx];
          newEndVnode = newCh[--newEndIdx];
        } else if (sameVnode(oldStartVnode, newEndVnode)) { // Vnode moved right
          patchVnode(oldStartVnode, newEndVnode, insertedVnodeQueue, newCh, newEndIdx);
          canMove && nodeOps.insertBefore(parentElm, oldStartVnode.elm, nodeOps.nextSibling(oldEndVnode.elm));
          oldStartVnode = oldCh[++oldStartIdx];
          newEndVnode = newCh[--newEndIdx];
        } else if (sameVnode(oldEndVnode, newStartVnode)) { // Vnode moved left
          patchVnode(oldEndVnode, newStartVnode, insertedVnodeQueue, newCh, newStartIdx);
          canMove && nodeOps.insertBefore(parentElm, oldEndVnode.elm, oldStartVnode.elm);
          oldEndVnode = oldCh[--oldEndIdx];
          newStartVnode = newCh[++newStartIdx];
        } else {
          if (isUndef(oldKeyToIdx)) { oldKeyToIdx = createKeyToOldIdx(oldCh, oldStartIdx, oldEndIdx); }
          idxInOld = isDef(newStartVnode.key)
            ? oldKeyToIdx[newStartVnode.key]
            : findIdxInOld(newStartVnode, oldCh, oldStartIdx, oldEndIdx);
          if (isUndef(idxInOld)) { // New element
            createElm(newStartVnode, insertedVnodeQueue, parentElm, oldStartVnode.elm, false, newCh, newStartIdx);
          } else {
            vnodeToMove = oldCh[idxInOld];
            if (sameVnode(vnodeToMove, newStartVnode)) {
              patchVnode(vnodeToMove, newStartVnode, insertedVnodeQueue, newCh, newStartIdx);
              oldCh[idxInOld] = undefined;
              canMove && nodeOps.insertBefore(parentElm, vnodeToMove.elm, oldStartVnode.elm);
            } else {
              // same key but different element. treat as new element
              createElm(newStartVnode, insertedVnodeQueue, parentElm, oldStartVnode.elm, false, newCh, newStartIdx);
            }
          }
          newStartVnode = newCh[++newStartIdx];
        }
      }
      if (oldStartIdx > oldEndIdx) {
        refElm = isUndef(newCh[newEndIdx + 1]) ? null : newCh[newEndIdx + 1].elm;
        addVnodes(parentElm, refElm, newCh, newStartIdx, newEndIdx, insertedVnodeQueue);
      } else if (newStartIdx > newEndIdx) {
        removeVnodes(parentElm, oldCh, oldStartIdx, oldEndIdx);
      }
    }

    function checkDuplicateKeys (children) {
      var seenKeys = {};
      for (var i = 0; i < children.length; i++) {
        var vnode = children[i];
        var key = vnode.key;
        if (isDef(key)) {
          if (seenKeys[key]) {
            warn(
              ("Duplicate keys detected: '" + key + "'. This may cause an update error."),
              vnode.context
            );
          } else {
            seenKeys[key] = true;
          }
        }
      }
    }

    function findIdxInOld (node, oldCh, start, end) {
      for (var i = start; i < end; i++) {
        var c = oldCh[i];
        if (isDef(c) && sameVnode(node, c)) { return i }
      }
    }

    function patchVnode (
      oldVnode,
      vnode,
      insertedVnodeQueue,
      ownerArray,
      index,
      removeOnly
    ) {
      if (oldVnode === vnode) {
        return
      }

      if (isDef(vnode.elm) && isDef(ownerArray)) {
        // clone reused vnode
        vnode = ownerArray[index] = cloneVNode(vnode);
      }

      var elm = vnode.elm = oldVnode.elm;

      if (isTrue(oldVnode.isAsyncPlaceholder)) {
        if (isDef(vnode.asyncFactory.resolved)) {
          hydrate(oldVnode.elm, vnode, insertedVnodeQueue);
        } else {
          vnode.isAsyncPlaceholder = true;
        }
        return
      }

      // reuse element for static trees.
      // note we only do this if the vnode is cloned -
      // if the new node is not cloned it means the render functions have been
      // reset by the hot-reload-api and we need to do a proper re-render.
      if (isTrue(vnode.isStatic) &&
        isTrue(oldVnode.isStatic) &&
        vnode.key === oldVnode.key &&
        (isTrue(vnode.isCloned) || isTrue(vnode.isOnce))
      ) {
        vnode.componentInstance = oldVnode.componentInstance;
        return
      }

      var i;
      var data = vnode.data;
      if (isDef(data) && isDef(i = data.hook) && isDef(i = i.prepatch)) {
        i(oldVnode, vnode);
      }

      var oldCh = oldVnode.children;
      var ch = vnode.children;
      if (isDef(data) && isPatchable(vnode)) {
        for (i = 0; i < cbs.update.length; ++i) { cbs.update[i](oldVnode, vnode); }
        if (isDef(i = data.hook) && isDef(i = i.update)) { i(oldVnode, vnode); }
      }
      if (isUndef(vnode.text)) {
        if (isDef(oldCh) && isDef(ch)) {
          if (oldCh !== ch) { updateChildren(elm, oldCh, ch, insertedVnodeQueue, removeOnly); }
        } else if (isDef(ch)) {
          {
            checkDuplicateKeys(ch);
          }
          if (isDef(oldVnode.text)) { nodeOps.setTextContent(elm, ''); }
          addVnodes(elm, null, ch, 0, ch.length - 1, insertedVnodeQueue);
        } else if (isDef(oldCh)) {
          removeVnodes(elm, oldCh, 0, oldCh.length - 1);
        } else if (isDef(oldVnode.text)) {
          nodeOps.setTextContent(elm, '');
        }
      } else if (oldVnode.text !== vnode.text) {
        nodeOps.setTextContent(elm, vnode.text);
      }
      if (isDef(data)) {
        if (isDef(i = data.hook) && isDef(i = i.postpatch)) { i(oldVnode, vnode); }
      }
    }

    function invokeInsertHook (vnode, queue, initial) {
      // delay insert hooks for component root nodes, invoke them after the
      // element is really inserted
      if (isTrue(initial) && isDef(vnode.parent)) {
        vnode.parent.data.pendingInsert = queue;
      } else {
        for (var i = 0; i < queue.length; ++i) {
          queue[i].data.hook.insert(queue[i]);
        }
      }
    }

    var hydrationBailed = false;
    // list of modules that can skip create hook during hydration because they
    // are already rendered on the client or has no need for initialization
    // Note: style is excluded because it relies on initial clone for future
    // deep updates (#7063).
    var isRenderedModule = makeMap('attrs,class,staticClass,staticStyle,key');

    // Note: this is a browser-only function so we can assume elms are DOM nodes.
    function hydrate (elm, vnode, insertedVnodeQueue, inVPre) {
      var i;
      var tag = vnode.tag;
      var data = vnode.data;
      var children = vnode.children;
      inVPre = inVPre || (data && data.pre);
      vnode.elm = elm;

      if (isTrue(vnode.isComment) && isDef(vnode.asyncFactory)) {
        vnode.isAsyncPlaceholder = true;
        return true
      }
      // assert node match
      {
        if (!assertNodeMatch(elm, vnode, inVPre)) {
          return false
        }
      }
      if (isDef(data)) {
        if (isDef(i = data.hook) && isDef(i = i.init)) { i(vnode, true /* hydrating */); }
        if (isDef(i = vnode.componentInstance)) {
          // child component. it should have hydrated its own tree.
          initComponent(vnode, insertedVnodeQueue);
          return true
        }
      }
      if (isDef(tag)) {
        if (isDef(children)) {
          // empty element, allow client to pick up and populate children
          if (!elm.hasChildNodes()) {
            createChildren(vnode, children, insertedVnodeQueue);
          } else {
            // v-html and domProps: innerHTML
            if (isDef(i = data) && isDef(i = i.domProps) && isDef(i = i.innerHTML)) {
              if (i !== elm.innerHTML) {
                /* istanbul ignore if */
                if (typeof console !== 'undefined' &&
                  !hydrationBailed
                ) {
                  hydrationBailed = true;
                  console.warn('Parent: ', elm);
                  console.warn('server innerHTML: ', i);
                  console.warn('client innerHTML: ', elm.innerHTML);
                }
                return false
              }
            } else {
              // iterate and compare children lists
              var childrenMatch = true;
              var childNode = elm.firstChild;
              for (var i$1 = 0; i$1 < children.length; i$1++) {
                if (!childNode || !hydrate(childNode, children[i$1], insertedVnodeQueue, inVPre)) {
                  childrenMatch = false;
                  break
                }
                childNode = childNode.nextSibling;
              }
              // if childNode is not null, it means the actual childNodes list is
              // longer than the virtual children list.
              if (!childrenMatch || childNode) {
                /* istanbul ignore if */
                if (typeof console !== 'undefined' &&
                  !hydrationBailed
                ) {
                  hydrationBailed = true;
                  console.warn('Parent: ', elm);
                  console.warn('Mismatching childNodes vs. VNodes: ', elm.childNodes, children);
                }
                return false
              }
            }
          }
        }
        if (isDef(data)) {
          var fullInvoke = false;
          for (var key in data) {
            if (!isRenderedModule(key)) {
              fullInvoke = true;
              invokeCreateHooks(vnode, insertedVnodeQueue);
              break
            }
          }
          if (!fullInvoke && data['class']) {
            // ensure collecting deps for deep class bindings for future updates
            traverse(data['class']);
          }
        }
      } else if (elm.data !== vnode.text) {
        elm.data = vnode.text;
      }
      return true
    }

    function assertNodeMatch (node, vnode, inVPre) {
      if (isDef(vnode.tag)) {
        return vnode.tag.indexOf('vue-component') === 0 || (
          !isUnknownElement$$1(vnode, inVPre) &&
          vnode.tag.toLowerCase() === (node.tagName && node.tagName.toLowerCase())
        )
      } else {
        return node.nodeType === (vnode.isComment ? 8 : 3)
      }
    }

    return function patch (oldVnode, vnode, hydrating, removeOnly) {
      if (isUndef(vnode)) {
        if (isDef(oldVnode)) { invokeDestroyHook(oldVnode); }
        return
      }

      var isInitialPatch = false;
      var insertedVnodeQueue = [];

      if (isUndef(oldVnode)) {
        // empty mount (likely as component), create new root element
        isInitialPatch = true;
        createElm(vnode, insertedVnodeQueue);
      } else {
        var isRealElement = isDef(oldVnode.nodeType);
        if (!isRealElement && sameVnode(oldVnode, vnode)) {
          // patch existing root node
          patchVnode(oldVnode, vnode, insertedVnodeQueue, null, null, removeOnly);
        } else {
          if (isRealElement) {
            // mounting to a real element
            // check if this is server-rendered content and if we can perform
            // a successful hydration.
            if (oldVnode.nodeType === 1 && oldVnode.hasAttribute(SSR_ATTR)) {
              oldVnode.removeAttribute(SSR_ATTR);
              hydrating = true;
            }
            if (isTrue(hydrating)) {
              if (hydrate(oldVnode, vnode, insertedVnodeQueue)) {
                invokeInsertHook(vnode, insertedVnodeQueue, true);
                return oldVnode
              } else {
                warn(
                  'The client-side rendered virtual DOM tree is not matching ' +
                  'server-rendered content. This is likely caused by incorrect ' +
                  'HTML markup, for example nesting block-level elements inside ' +
                  '<p>, or missing <tbody>. Bailing hydration and performing ' +
                  'full client-side render.'
                );
              }
            }
            // either not server-rendered, or hydration failed.
            // create an empty node and replace it
            oldVnode = emptyNodeAt(oldVnode);
          }

          // replacing existing element
          var oldElm = oldVnode.elm;
          var parentElm = nodeOps.parentNode(oldElm);

          // create new node
          createElm(
            vnode,
            insertedVnodeQueue,
            // extremely rare edge case: do not insert if old element is in a
            // leaving transition. Only happens when combining transition +
            // keep-alive + HOCs. (#4590)
            oldElm._leaveCb ? null : parentElm,
            nodeOps.nextSibling(oldElm)
          );

          // update parent placeholder node element, recursively
          if (isDef(vnode.parent)) {
            var ancestor = vnode.parent;
            var patchable = isPatchable(vnode);
            while (ancestor) {
              for (var i = 0; i < cbs.destroy.length; ++i) {
                cbs.destroy[i](ancestor);
              }
              ancestor.elm = vnode.elm;
              if (patchable) {
                for (var i$1 = 0; i$1 < cbs.create.length; ++i$1) {
                  cbs.create[i$1](emptyNode, ancestor);
                }
                // #6513
                // invoke insert hooks that may have been merged by create hooks.
                // e.g. for directives that uses the "inserted" hook.
                var insert = ancestor.data.hook.insert;
                if (insert.merged) {
                  // start at index 1 to avoid re-invoking component mounted hook
                  for (var i$2 = 1; i$2 < insert.fns.length; i$2++) {
                    insert.fns[i$2]();
                  }
                }
              } else {
                registerRef(ancestor);
              }
              ancestor = ancestor.parent;
            }
          }

          // destroy old node
          if (isDef(parentElm)) {
            removeVnodes(parentElm, [oldVnode], 0, 0);
          } else if (isDef(oldVnode.tag)) {
            invokeDestroyHook(oldVnode);
          }
        }
      }

      invokeInsertHook(vnode, insertedVnodeQueue, isInitialPatch);
      return vnode.elm
    }
  }

  /*  */

  var directives = {
    create: updateDirectives,
    update: updateDirectives,
    destroy: function unbindDirectives (vnode) {
      updateDirectives(vnode, emptyNode);
    }
  };

  function updateDirectives (oldVnode, vnode) {
    if (oldVnode.data.directives || vnode.data.directives) {
      _update(oldVnode, vnode);
    }
  }

  function _update (oldVnode, vnode) {
    var isCreate = oldVnode === emptyNode;
    var isDestroy = vnode === emptyNode;
    var oldDirs = normalizeDirectives$1(oldVnode.data.directives, oldVnode.context);
    var newDirs = normalizeDirectives$1(vnode.data.directives, vnode.context);

    var dirsWithInsert = [];
    var dirsWithPostpatch = [];

    var key, oldDir, dir;
    for (key in newDirs) {
      oldDir = oldDirs[key];
      dir = newDirs[key];
      if (!oldDir) {
        // new directive, bind
        callHook$1(dir, 'bind', vnode, oldVnode);
        if (dir.def && dir.def.inserted) {
          dirsWithInsert.push(dir);
        }
      } else {
        // existing directive, update
        dir.oldValue = oldDir.value;
        dir.oldArg = oldDir.arg;
        callHook$1(dir, 'update', vnode, oldVnode);
        if (dir.def && dir.def.componentUpdated) {
          dirsWithPostpatch.push(dir);
        }
      }
    }

    if (dirsWithInsert.length) {
      var callInsert = function () {
        for (var i = 0; i < dirsWithInsert.length; i++) {
          callHook$1(dirsWithInsert[i], 'inserted', vnode, oldVnode);
        }
      };
      if (isCreate) {
        mergeVNodeHook(vnode, 'insert', callInsert);
      } else {
        callInsert();
      }
    }

    if (dirsWithPostpatch.length) {
      mergeVNodeHook(vnode, 'postpatch', function () {
        for (var i = 0; i < dirsWithPostpatch.length; i++) {
          callHook$1(dirsWithPostpatch[i], 'componentUpdated', vnode, oldVnode);
        }
      });
    }

    if (!isCreate) {
      for (key in oldDirs) {
        if (!newDirs[key]) {
          // no longer present, unbind
          callHook$1(oldDirs[key], 'unbind', oldVnode, oldVnode, isDestroy);
        }
      }
    }
  }

  var emptyModifiers = Object.create(null);

  function normalizeDirectives$1 (
    dirs,
    vm
  ) {
    var res = Object.create(null);
    if (!dirs) {
      // $flow-disable-line
      return res
    }
    var i, dir;
    for (i = 0; i < dirs.length; i++) {
      dir = dirs[i];
      if (!dir.modifiers) {
        // $flow-disable-line
        dir.modifiers = emptyModifiers;
      }
      res[getRawDirName(dir)] = dir;
      dir.def = resolveAsset(vm.$options, 'directives', dir.name, true);
    }
    // $flow-disable-line
    return res
  }

  function getRawDirName (dir) {
    return dir.rawName || ((dir.name) + "." + (Object.keys(dir.modifiers || {}).join('.')))
  }

  function callHook$1 (dir, hook, vnode, oldVnode, isDestroy) {
    var fn = dir.def && dir.def[hook];
    if (fn) {
      try {
        fn(vnode.elm, dir, vnode, oldVnode, isDestroy);
      } catch (e) {
        handleError(e, vnode.context, ("directive " + (dir.name) + " " + hook + " hook"));
      }
    }
  }

  var baseModules = [
    ref,
    directives
  ];

  /*  */

  function updateAttrs (oldVnode, vnode) {
    var opts = vnode.componentOptions;
    if (isDef(opts) && opts.Ctor.options.inheritAttrs === false) {
      return
    }
    if (isUndef(oldVnode.data.attrs) && isUndef(vnode.data.attrs)) {
      return
    }
    var key, cur, old;
    var elm = vnode.elm;
    var oldAttrs = oldVnode.data.attrs || {};
    var attrs = vnode.data.attrs || {};
    // clone observed objects, as the user probably wants to mutate it
    if (isDef(attrs.__ob__)) {
      attrs = vnode.data.attrs = extend({}, attrs);
    }

    for (key in attrs) {
      cur = attrs[key];
      old = oldAttrs[key];
      if (old !== cur) {
        setAttr(elm, key, cur);
      }
    }
    // #4391: in IE9, setting type can reset value for input[type=radio]
    // #6666: IE/Edge forces progress value down to 1 before setting a max
    /* istanbul ignore if */
    if ((isIE || isEdge) && attrs.value !== oldAttrs.value) {
      setAttr(elm, 'value', attrs.value);
    }
    for (key in oldAttrs) {
      if (isUndef(attrs[key])) {
        if (isXlink(key)) {
          elm.removeAttributeNS(xlinkNS, getXlinkProp(key));
        } else if (!isEnumeratedAttr(key)) {
          elm.removeAttribute(key);
        }
      }
    }
  }

  function setAttr (el, key, value) {
    if (el.tagName.indexOf('-') > -1) {
      baseSetAttr(el, key, value);
    } else if (isBooleanAttr(key)) {
      // set attribute for blank value
      // e.g. <option disabled>Select one</option>
      if (isFalsyAttrValue(value)) {
        el.removeAttribute(key);
      } else {
        // technically allowfullscreen is a boolean attribute for <iframe>,
        // but Flash expects a value of "true" when used on <embed> tag
        value = key === 'allowfullscreen' && el.tagName === 'EMBED'
          ? 'true'
          : key;
        el.setAttribute(key, value);
      }
    } else if (isEnumeratedAttr(key)) {
      el.setAttribute(key, convertEnumeratedValue(key, value));
    } else if (isXlink(key)) {
      if (isFalsyAttrValue(value)) {
        el.removeAttributeNS(xlinkNS, getXlinkProp(key));
      } else {
        el.setAttributeNS(xlinkNS, key, value);
      }
    } else {
      baseSetAttr(el, key, value);
    }
  }

  function baseSetAttr (el, key, value) {
    if (isFalsyAttrValue(value)) {
      el.removeAttribute(key);
    } else {
      // #7138: IE10 & 11 fires input event when setting placeholder on
      // <textarea>... block the first input event and remove the blocker
      // immediately.
      /* istanbul ignore if */
      if (
        isIE && !isIE9 &&
        el.tagName === 'TEXTAREA' &&
        key === 'placeholder' && value !== '' && !el.__ieph
      ) {
        var blocker = function (e) {
          e.stopImmediatePropagation();
          el.removeEventListener('input', blocker);
        };
        el.addEventListener('input', blocker);
        // $flow-disable-line
        el.__ieph = true; /* IE placeholder patched */
      }
      el.setAttribute(key, value);
    }
  }

  var attrs = {
    create: updateAttrs,
    update: updateAttrs
  };

  /*  */

  function updateClass (oldVnode, vnode) {
    var el = vnode.elm;
    var data = vnode.data;
    var oldData = oldVnode.data;
    if (
      isUndef(data.staticClass) &&
      isUndef(data.class) && (
        isUndef(oldData) || (
          isUndef(oldData.staticClass) &&
          isUndef(oldData.class)
        )
      )
    ) {
      return
    }

    var cls = genClassForVnode(vnode);

    // handle transition classes
    var transitionClass = el._transitionClasses;
    if (isDef(transitionClass)) {
      cls = concat(cls, stringifyClass(transitionClass));
    }

    // set the class
    if (cls !== el._prevClass) {
      el.setAttribute('class', cls);
      el._prevClass = cls;
    }
  }

  var klass = {
    create: updateClass,
    update: updateClass
  };

  /*  */

  var validDivisionCharRE = /[\w).+\-_$\]]/;

  function parseFilters (exp) {
    var inSingle = false;
    var inDouble = false;
    var inTemplateString = false;
    var inRegex = false;
    var curly = 0;
    var square = 0;
    var paren = 0;
    var lastFilterIndex = 0;
    var c, prev, i, expression, filters;

    for (i = 0; i < exp.length; i++) {
      prev = c;
      c = exp.charCodeAt(i);
      if (inSingle) {
        if (c === 0x27 && prev !== 0x5C) { inSingle = false; }
      } else if (inDouble) {
        if (c === 0x22 && prev !== 0x5C) { inDouble = false; }
      } else if (inTemplateString) {
        if (c === 0x60 && prev !== 0x5C) { inTemplateString = false; }
      } else if (inRegex) {
        if (c === 0x2f && prev !== 0x5C) { inRegex = false; }
      } else if (
        c === 0x7C && // pipe
        exp.charCodeAt(i + 1) !== 0x7C &&
        exp.charCodeAt(i - 1) !== 0x7C &&
        !curly && !square && !paren
      ) {
        if (expression === undefined) {
          // first filter, end of expression
          lastFilterIndex = i + 1;
          expression = exp.slice(0, i).trim();
        } else {
          pushFilter();
        }
      } else {
        switch (c) {
          case 0x22: inDouble = true; break         // "
          case 0x27: inSingle = true; break         // '
          case 0x60: inTemplateString = true; break // `
          case 0x28: paren++; break                 // (
          case 0x29: paren--; break                 // )
          case 0x5B: square++; break                // [
          case 0x5D: square--; break                // ]
          case 0x7B: curly++; break                 // {
          case 0x7D: curly--; break                 // }
        }
        if (c === 0x2f) { // /
          var j = i - 1;
          var p = (void 0);
          // find first non-whitespace prev char
          for (; j >= 0; j--) {
            p = exp.charAt(j);
            if (p !== ' ') { break }
          }
          if (!p || !validDivisionCharRE.test(p)) {
            inRegex = true;
          }
        }
      }
    }

    if (expression === undefined) {
      expression = exp.slice(0, i).trim();
    } else if (lastFilterIndex !== 0) {
      pushFilter();
    }

    function pushFilter () {
      (filters || (filters = [])).push(exp.slice(lastFilterIndex, i).trim());
      lastFilterIndex = i + 1;
    }

    if (filters) {
      for (i = 0; i < filters.length; i++) {
        expression = wrapFilter(expression, filters[i]);
      }
    }

    return expression
  }

  function wrapFilter (exp, filter) {
    var i = filter.indexOf('(');
    if (i < 0) {
      // _f: resolveFilter
      return ("_f(\"" + filter + "\")(" + exp + ")")
    } else {
      var name = filter.slice(0, i);
      var args = filter.slice(i + 1);
      return ("_f(\"" + name + "\")(" + exp + (args !== ')' ? ',' + args : args))
    }
  }

  /*  */



  /* eslint-disable no-unused-vars */
  function baseWarn (msg, range) {
    console.error(("[Vue compiler]: " + msg));
  }
  /* eslint-enable no-unused-vars */

  function pluckModuleFunction (
    modules,
    key
  ) {
    return modules
      ? modules.map(function (m) { return m[key]; }).filter(function (_) { return _; })
      : []
  }

  function addProp (el, name, value, range, dynamic) {
    (el.props || (el.props = [])).push(rangeSetItem({ name: name, value: value, dynamic: dynamic }, range));
    el.plain = false;
  }

  function addAttr (el, name, value, range, dynamic) {
    var attrs = dynamic
      ? (el.dynamicAttrs || (el.dynamicAttrs = []))
      : (el.attrs || (el.attrs = []));
    attrs.push(rangeSetItem({ name: name, value: value, dynamic: dynamic }, range));
    el.plain = false;
  }

  // add a raw attr (use this in preTransforms)
  function addRawAttr (el, name, value, range) {
    el.attrsMap[name] = value;
    el.attrsList.push(rangeSetItem({ name: name, value: value }, range));
  }

  function addDirective (
    el,
    name,
    rawName,
    value,
    arg,
    isDynamicArg,
    modifiers,
    range
  ) {
    (el.directives || (el.directives = [])).push(rangeSetItem({
      name: name,
      rawName: rawName,
      value: value,
      arg: arg,
      isDynamicArg: isDynamicArg,
      modifiers: modifiers
    }, range));
    el.plain = false;
  }

  function prependModifierMarker (symbol, name, dynamic) {
    return dynamic
      ? ("_p(" + name + ",\"" + symbol + "\")")
      : symbol + name // mark the event as captured
  }

  function addHandler (
    el,
    name,
    value,
    modifiers,
    important,
    warn,
    range,
    dynamic
  ) {
    modifiers = modifiers || emptyObject;
    // warn prevent and passive modifier
    /* istanbul ignore if */
    if (
      warn &&
      modifiers.prevent && modifiers.passive
    ) {
      warn(
        'passive and prevent can\'t be used together. ' +
        'Passive handler can\'t prevent default event.',
        range
      );
    }

    // normalize click.right and click.middle since they don't actually fire
    // this is technically browser-specific, but at least for now browsers are
    // the only target envs that have right/middle clicks.
    if (modifiers.right) {
      if (dynamic) {
        name = "(" + name + ")==='click'?'contextmenu':(" + name + ")";
      } else if (name === 'click') {
        name = 'contextmenu';
        delete modifiers.right;
      }
    } else if (modifiers.middle) {
      if (dynamic) {
        name = "(" + name + ")==='click'?'mouseup':(" + name + ")";
      } else if (name === 'click') {
        name = 'mouseup';
      }
    }

    // check capture modifier
    if (modifiers.capture) {
      delete modifiers.capture;
      name = prependModifierMarker('!', name, dynamic);
    }
    if (modifiers.once) {
      delete modifiers.once;
      name = prependModifierMarker('~', name, dynamic);
    }
    /* istanbul ignore if */
    if (modifiers.passive) {
      delete modifiers.passive;
      name = prependModifierMarker('&', name, dynamic);
    }

    var events;
    if (modifiers.native) {
      delete modifiers.native;
      events = el.nativeEvents || (el.nativeEvents = {});
    } else {
      events = el.events || (el.events = {});
    }

    var newHandler = rangeSetItem({ value: value.trim(), dynamic: dynamic }, range);
    if (modifiers !== emptyObject) {
      newHandler.modifiers = modifiers;
    }

    var handlers = events[name];
    /* istanbul ignore if */
    if (Array.isArray(handlers)) {
      important ? handlers.unshift(newHandler) : handlers.push(newHandler);
    } else if (handlers) {
      events[name] = important ? [newHandler, handlers] : [handlers, newHandler];
    } else {
      events[name] = newHandler;
    }

    el.plain = false;
  }

  function getRawBindingAttr (
    el,
    name
  ) {
    return el.rawAttrsMap[':' + name] ||
      el.rawAttrsMap['v-bind:' + name] ||
      el.rawAttrsMap[name]
  }

  function getBindingAttr (
    el,
    name,
    getStatic
  ) {
    var dynamicValue =
      getAndRemoveAttr(el, ':' + name) ||
      getAndRemoveAttr(el, 'v-bind:' + name);
    if (dynamicValue != null) {
      return parseFilters(dynamicValue)
    } else if (getStatic !== false) {
      var staticValue = getAndRemoveAttr(el, name);
      if (staticValue != null) {
        return JSON.stringify(staticValue)
      }
    }
  }

  // note: this only removes the attr from the Array (attrsList) so that it
  // doesn't get processed by processAttrs.
  // By default it does NOT remove it from the map (attrsMap) because the map is
  // needed during codegen.
  function getAndRemoveAttr (
    el,
    name,
    removeFromMap
  ) {
    var val;
    if ((val = el.attrsMap[name]) != null) {
      var list = el.attrsList;
      for (var i = 0, l = list.length; i < l; i++) {
        if (list[i].name === name) {
          list.splice(i, 1);
          break
        }
      }
    }
    if (removeFromMap) {
      delete el.attrsMap[name];
    }
    return val
  }

  function getAndRemoveAttrByRegex (
    el,
    name
  ) {
    var list = el.attrsList;
    for (var i = 0, l = list.length; i < l; i++) {
      var attr = list[i];
      if (name.test(attr.name)) {
        list.splice(i, 1);
        return attr
      }
    }
  }

  function rangeSetItem (
    item,
    range
  ) {
    if (range) {
      if (range.start != null) {
        item.start = range.start;
      }
      if (range.end != null) {
        item.end = range.end;
      }
    }
    return item
  }

  /*  */

  /**
   * Cross-platform code generation for component v-model
   */
  function genComponentModel (
    el,
    value,
    modifiers
  ) {
    var ref = modifiers || {};
    var number = ref.number;
    var trim = ref.trim;

    var baseValueExpression = '$$v';
    var valueExpression = baseValueExpression;
    if (trim) {
      valueExpression =
        "(typeof " + baseValueExpression + " === 'string'" +
        "? " + baseValueExpression + ".trim()" +
        ": " + baseValueExpression + ")";
    }
    if (number) {
      valueExpression = "_n(" + valueExpression + ")";
    }
    var assignment = genAssignmentCode(value, valueExpression);

    el.model = {
      value: ("(" + value + ")"),
      expression: JSON.stringify(value),
      callback: ("function (" + baseValueExpression + ") {" + assignment + "}")
    };
  }

  /**
   * Cross-platform codegen helper for generating v-model value assignment code.
   */
  function genAssignmentCode (
    value,
    assignment
  ) {
    var res = parseModel(value);
    if (res.key === null) {
      return (value + "=" + assignment)
    } else {
      return ("$set(" + (res.exp) + ", " + (res.key) + ", " + assignment + ")")
    }
  }

  /**
   * Parse a v-model expression into a base path and a final key segment.
   * Handles both dot-path and possible square brackets.
   *
   * Possible cases:
   *
   * - test
   * - test[key]
   * - test[test1[key]]
   * - test["a"][key]
   * - xxx.test[a[a].test1[key]]
   * - test.xxx.a["asa"][test1[key]]
   *
   */

  var len, str, chr, index$1, expressionPos, expressionEndPos;



  function parseModel (val) {
    // Fix https://github.com/vuejs/vue/pull/7730
    // allow v-model="obj.val " (trailing whitespace)
    val = val.trim();
    len = val.length;

    if (val.indexOf('[') < 0 || val.lastIndexOf(']') < len - 1) {
      index$1 = val.lastIndexOf('.');
      if (index$1 > -1) {
        return {
          exp: val.slice(0, index$1),
          key: '"' + val.slice(index$1 + 1) + '"'
        }
      } else {
        return {
          exp: val,
          key: null
        }
      }
    }

    str = val;
    index$1 = expressionPos = expressionEndPos = 0;

    while (!eof()) {
      chr = next();
      /* istanbul ignore if */
      if (isStringStart(chr)) {
        parseString(chr);
      } else if (chr === 0x5B) {
        parseBracket(chr);
      }
    }

    return {
      exp: val.slice(0, expressionPos),
      key: val.slice(expressionPos + 1, expressionEndPos)
    }
  }

  function next () {
    return str.charCodeAt(++index$1)
  }

  function eof () {
    return index$1 >= len
  }

  function isStringStart (chr) {
    return chr === 0x22 || chr === 0x27
  }

  function parseBracket (chr) {
    var inBracket = 1;
    expressionPos = index$1;
    while (!eof()) {
      chr = next();
      if (isStringStart(chr)) {
        parseString(chr);
        continue
      }
      if (chr === 0x5B) { inBracket++; }
      if (chr === 0x5D) { inBracket--; }
      if (inBracket === 0) {
        expressionEndPos = index$1;
        break
      }
    }
  }

  function parseString (chr) {
    var stringQuote = chr;
    while (!eof()) {
      chr = next();
      if (chr === stringQuote) {
        break
      }
    }
  }

  /*  */

  var warn$1;

  // in some cases, the event used has to be determined at runtime
  // so we used some reserved tokens during compile.
  var RANGE_TOKEN = '__r';
  var CHECKBOX_RADIO_TOKEN = '__c';

  function model (
    el,
    dir,
    _warn
  ) {
    warn$1 = _warn;
    var value = dir.value;
    var modifiers = dir.modifiers;
    var tag = el.tag;
    var type = el.attrsMap.type;

    {
      // inputs with type="file" are read only and setting the input's
      // value will throw an error.
      if (tag === 'input' && type === 'file') {
        warn$1(
          "<" + (el.tag) + " v-model=\"" + value + "\" type=\"file\">:\n" +
          "File inputs are read only. Use a v-on:change listener instead.",
          el.rawAttrsMap['v-model']
        );
      }
    }

    if (el.component) {
      genComponentModel(el, value, modifiers);
      // component v-model doesn't need extra runtime
      return false
    } else if (tag === 'select') {
      genSelect(el, value, modifiers);
    } else if (tag === 'input' && type === 'checkbox') {
      genCheckboxModel(el, value, modifiers);
    } else if (tag === 'input' && type === 'radio') {
      genRadioModel(el, value, modifiers);
    } else if (tag === 'input' || tag === 'textarea') {
      genDefaultModel(el, value, modifiers);
    } else if (!config.isReservedTag(tag)) {
      genComponentModel(el, value, modifiers);
      // component v-model doesn't need extra runtime
      return false
    } else {
      warn$1(
        "<" + (el.tag) + " v-model=\"" + value + "\">: " +
        "v-model is not supported on this element type. " +
        'If you are working with contenteditable, it\'s recommended to ' +
        'wrap a library dedicated for that purpose inside a custom component.',
        el.rawAttrsMap['v-model']
      );
    }

    // ensure runtime directive metadata
    return true
  }

  function genCheckboxModel (
    el,
    value,
    modifiers
  ) {
    var number = modifiers && modifiers.number;
    var valueBinding = getBindingAttr(el, 'value') || 'null';
    var trueValueBinding = getBindingAttr(el, 'true-value') || 'true';
    var falseValueBinding = getBindingAttr(el, 'false-value') || 'false';
    addProp(el, 'checked',
      "Array.isArray(" + value + ")" +
      "?_i(" + value + "," + valueBinding + ")>-1" + (
        trueValueBinding === 'true'
          ? (":(" + value + ")")
          : (":_q(" + value + "," + trueValueBinding + ")")
      )
    );
    addHandler(el, 'change',
      "var $$a=" + value + "," +
          '$$el=$event.target,' +
          "$$c=$$el.checked?(" + trueValueBinding + "):(" + falseValueBinding + ");" +
      'if(Array.isArray($$a)){' +
        "var $$v=" + (number ? '_n(' + valueBinding + ')' : valueBinding) + "," +
            '$$i=_i($$a,$$v);' +
        "if($$el.checked){$$i<0&&(" + (genAssignmentCode(value, '$$a.concat([$$v])')) + ")}" +
        "else{$$i>-1&&(" + (genAssignmentCode(value, '$$a.slice(0,$$i).concat($$a.slice($$i+1))')) + ")}" +
      "}else{" + (genAssignmentCode(value, '$$c')) + "}",
      null, true
    );
  }

  function genRadioModel (
    el,
    value,
    modifiers
  ) {
    var number = modifiers && modifiers.number;
    var valueBinding = getBindingAttr(el, 'value') || 'null';
    valueBinding = number ? ("_n(" + valueBinding + ")") : valueBinding;
    addProp(el, 'checked', ("_q(" + value + "," + valueBinding + ")"));
    addHandler(el, 'change', genAssignmentCode(value, valueBinding), null, true);
  }

  function genSelect (
    el,
    value,
    modifiers
  ) {
    var number = modifiers && modifiers.number;
    var selectedVal = "Array.prototype.filter" +
      ".call($event.target.options,function(o){return o.selected})" +
      ".map(function(o){var val = \"_value\" in o ? o._value : o.value;" +
      "return " + (number ? '_n(val)' : 'val') + "})";

    var assignment = '$event.target.multiple ? $$selectedVal : $$selectedVal[0]';
    var code = "var $$selectedVal = " + selectedVal + ";";
    code = code + " " + (genAssignmentCode(value, assignment));
    addHandler(el, 'change', code, null, true);
  }

  function genDefaultModel (
    el,
    value,
    modifiers
  ) {
    var type = el.attrsMap.type;

    // warn if v-bind:value conflicts with v-model
    // except for inputs with v-bind:type
    {
      var value$1 = el.attrsMap['v-bind:value'] || el.attrsMap[':value'];
      var typeBinding = el.attrsMap['v-bind:type'] || el.attrsMap[':type'];
      if (value$1 && !typeBinding) {
        var binding = el.attrsMap['v-bind:value'] ? 'v-bind:value' : ':value';
        warn$1(
          binding + "=\"" + value$1 + "\" conflicts with v-model on the same element " +
          'because the latter already expands to a value binding internally',
          el.rawAttrsMap[binding]
        );
      }
    }

    var ref = modifiers || {};
    var lazy = ref.lazy;
    var number = ref.number;
    var trim = ref.trim;
    var needCompositionGuard = !lazy && type !== 'range';
    var event = lazy
      ? 'change'
      : type === 'range'
        ? RANGE_TOKEN
        : 'input';

    var valueExpression = '$event.target.value';
    if (trim) {
      valueExpression = "$event.target.value.trim()";
    }
    if (number) {
      valueExpression = "_n(" + valueExpression + ")";
    }

    var code = genAssignmentCode(value, valueExpression);
    if (needCompositionGuard) {
      code = "if($event.target.composing)return;" + code;
    }

    addProp(el, 'value', ("(" + value + ")"));
    addHandler(el, event, code, null, true);
    if (trim || number) {
      addHandler(el, 'blur', '$forceUpdate()');
    }
  }

  /*  */

  // normalize v-model event tokens that can only be determined at runtime.
  // it's important to place the event as the first in the array because
  // the whole point is ensuring the v-model callback gets called before
  // user-attached handlers.
  function normalizeEvents (on) {
    /* istanbul ignore if */
    if (isDef(on[RANGE_TOKEN])) {
      // IE input[type=range] only supports `change` event
      var event = isIE ? 'change' : 'input';
      on[event] = [].concat(on[RANGE_TOKEN], on[event] || []);
      delete on[RANGE_TOKEN];
    }
    // This was originally intended to fix #4521 but no longer necessary
    // after 2.5. Keeping it for backwards compat with generated code from < 2.4
    /* istanbul ignore if */
    if (isDef(on[CHECKBOX_RADIO_TOKEN])) {
      on.change = [].concat(on[CHECKBOX_RADIO_TOKEN], on.change || []);
      delete on[CHECKBOX_RADIO_TOKEN];
    }
  }

  var target$1;

  function createOnceHandler$1 (event, handler, capture) {
    var _target = target$1; // save current target element in closure
    return function onceHandler () {
      var res = handler.apply(null, arguments);
      if (res !== null) {
        remove$2(event, onceHandler, capture, _target);
      }
    }
  }

  // #9446: Firefox <= 53 (in particular, ESR 52) has incorrect Event.timeStamp
  // implementation and does not fire microtasks in between event propagation, so
  // safe to exclude.
  var useMicrotaskFix = isUsingMicroTask && !(isFF && Number(isFF[1]) <= 53);

  function add$1 (
    name,
    handler,
    capture,
    passive
  ) {
    // async edge case #6566: inner click event triggers patch, event handler
    // attached to outer element during patch, and triggered again. This
    // happens because browsers fire microtask ticks between event propagation.
    // the solution is simple: we save the timestamp when a handler is attached,
    // and the handler would only fire if the event passed to it was fired
    // AFTER it was attached.
    if (useMicrotaskFix) {
      var attachedTimestamp = currentFlushTimestamp;
      var original = handler;
      handler = original._wrapper = function (e) {
        if (
          // no bubbling, should always fire.
          // this is just a safety net in case event.timeStamp is unreliable in
          // certain weird environments...
          e.target === e.currentTarget ||
          // event is fired after handler attachment
          e.timeStamp >= attachedTimestamp ||
          // bail for environments that have buggy event.timeStamp implementations
          // #9462 iOS 9 bug: event.timeStamp is 0 after history.pushState
          // #9681 QtWebEngine event.timeStamp is negative value
          e.timeStamp <= 0 ||
          // #9448 bail if event is fired in another document in a multi-page
          // electron/nw.js app, since event.timeStamp will be using a different
          // starting reference
          e.target.ownerDocument !== document
        ) {
          return original.apply(this, arguments)
        }
      };
    }
    target$1.addEventListener(
      name,
      handler,
      supportsPassive
        ? { capture: capture, passive: passive }
        : capture
    );
  }

  function remove$2 (
    name,
    handler,
    capture,
    _target
  ) {
    (_target || target$1).removeEventListener(
      name,
      handler._wrapper || handler,
      capture
    );
  }

  function updateDOMListeners (oldVnode, vnode) {
    if (isUndef(oldVnode.data.on) && isUndef(vnode.data.on)) {
      return
    }
    var on = vnode.data.on || {};
    var oldOn = oldVnode.data.on || {};
    target$1 = vnode.elm;
    normalizeEvents(on);
    updateListeners(on, oldOn, add$1, remove$2, createOnceHandler$1, vnode.context);
    target$1 = undefined;
  }

  var events = {
    create: updateDOMListeners,
    update: updateDOMListeners
  };

  /*  */

  var svgContainer;

  function updateDOMProps (oldVnode, vnode) {
    if (isUndef(oldVnode.data.domProps) && isUndef(vnode.data.domProps)) {
      return
    }
    var key, cur;
    var elm = vnode.elm;
    var oldProps = oldVnode.data.domProps || {};
    var props = vnode.data.domProps || {};
    // clone observed objects, as the user probably wants to mutate it
    if (isDef(props.__ob__)) {
      props = vnode.data.domProps = extend({}, props);
    }

    for (key in oldProps) {
      if (!(key in props)) {
        elm[key] = '';
      }
    }

    for (key in props) {
      cur = props[key];
      // ignore children if the node has textContent or innerHTML,
      // as these will throw away existing DOM nodes and cause removal errors
      // on subsequent patches (#3360)
      if (key === 'textContent' || key === 'innerHTML') {
        if (vnode.children) { vnode.children.length = 0; }
        if (cur === oldProps[key]) { continue }
        // #6601 work around Chrome version <= 55 bug where single textNode
        // replaced by innerHTML/textContent retains its parentNode property
        if (elm.childNodes.length === 1) {
          elm.removeChild(elm.childNodes[0]);
        }
      }

      if (key === 'value' && elm.tagName !== 'PROGRESS') {
        // store value as _value as well since
        // non-string values will be stringified
        elm._value = cur;
        // avoid resetting cursor position when value is the same
        var strCur = isUndef(cur) ? '' : String(cur);
        if (shouldUpdateValue(elm, strCur)) {
          elm.value = strCur;
        }
      } else if (key === 'innerHTML' && isSVG(elm.tagName) && isUndef(elm.innerHTML)) {
        // IE doesn't support innerHTML for SVG elements
        svgContainer = svgContainer || document.createElement('div');
        svgContainer.innerHTML = "<svg>" + cur + "</svg>";
        var svg = svgContainer.firstChild;
        while (elm.firstChild) {
          elm.removeChild(elm.firstChild);
        }
        while (svg.firstChild) {
          elm.appendChild(svg.firstChild);
        }
      } else if (
        // skip the update if old and new VDOM state is the same.
        // `value` is handled separately because the DOM value may be temporarily
        // out of sync with VDOM state due to focus, composition and modifiers.
        // This  #4521 by skipping the unnecesarry `checked` update.
        cur !== oldProps[key]
      ) {
        // some property updates can throw
        // e.g. `value` on <progress> w/ non-finite value
        try {
          elm[key] = cur;
        } catch (e) {}
      }
    }
  }

  // check platforms/web/util/attrs.js acceptValue


  function shouldUpdateValue (elm, checkVal) {
    return (!elm.composing && (
      elm.tagName === 'OPTION' ||
      isNotInFocusAndDirty(elm, checkVal) ||
      isDirtyWithModifiers(elm, checkVal)
    ))
  }

  function isNotInFocusAndDirty (elm, checkVal) {
    // return true when textbox (.number and .trim) loses focus and its value is
    // not equal to the updated value
    var notInFocus = true;
    // #6157
    // work around IE bug when accessing document.activeElement in an iframe
    try { notInFocus = document.activeElement !== elm; } catch (e) {}
    return notInFocus && elm.value !== checkVal
  }

  function isDirtyWithModifiers (elm, newVal) {
    var value = elm.value;
    var modifiers = elm._vModifiers; // injected by v-model runtime
    if (isDef(modifiers)) {
      if (modifiers.number) {
        return toNumber(value) !== toNumber(newVal)
      }
      if (modifiers.trim) {
        return value.trim() !== newVal.trim()
      }
    }
    return value !== newVal
  }

  var domProps = {
    create: updateDOMProps,
    update: updateDOMProps
  };

  /*  */

  var parseStyleText = cached(function (cssText) {
    var res = {};
    var listDelimiter = /;(?![^(]*\))/g;
    var propertyDelimiter = /:(.+)/;
    cssText.split(listDelimiter).forEach(function (item) {
      if (item) {
        var tmp = item.split(propertyDelimiter);
        tmp.length > 1 && (res[tmp[0].trim()] = tmp[1].trim());
      }
    });
    return res
  });

  // merge static and dynamic style data on the same vnode
  function normalizeStyleData (data) {
    var style = normalizeStyleBinding(data.style);
    // static style is pre-processed into an object during compilation
    // and is always a fresh object, so it's safe to merge into it
    return data.staticStyle
      ? extend(data.staticStyle, style)
      : style
  }

  // normalize possible array / string values into Object
  function normalizeStyleBinding (bindingStyle) {
    if (Array.isArray(bindingStyle)) {
      return toObject(bindingStyle)
    }
    if (typeof bindingStyle === 'string') {
      return parseStyleText(bindingStyle)
    }
    return bindingStyle
  }

  /**
   * parent component style should be after child's
   * so that parent component's style could override it
   */
  function getStyle (vnode, checkChild) {
    var res = {};
    var styleData;

    if (checkChild) {
      var childNode = vnode;
      while (childNode.componentInstance) {
        childNode = childNode.componentInstance._vnode;
        if (
          childNode && childNode.data &&
          (styleData = normalizeStyleData(childNode.data))
        ) {
          extend(res, styleData);
        }
      }
    }

    if ((styleData = normalizeStyleData(vnode.data))) {
      extend(res, styleData);
    }

    var parentNode = vnode;
    while ((parentNode = parentNode.parent)) {
      if (parentNode.data && (styleData = normalizeStyleData(parentNode.data))) {
        extend(res, styleData);
      }
    }
    return res
  }

  /*  */

  var cssVarRE = /^--/;
  var importantRE = /\s*!important$/;
  var setProp = function (el, name, val) {
    /* istanbul ignore if */
    if (cssVarRE.test(name)) {
      el.style.setProperty(name, val);
    } else if (importantRE.test(val)) {
      el.style.setProperty(hyphenate(name), val.replace(importantRE, ''), 'important');
    } else {
      var normalizedName = normalize(name);
      if (Array.isArray(val)) {
        // Support values array created by autoprefixer, e.g.
        // {display: ["-webkit-box", "-ms-flexbox", "flex"]}
        // Set them one by one, and the browser will only set those it can recognize
        for (var i = 0, len = val.length; i < len; i++) {
          el.style[normalizedName] = val[i];
        }
      } else {
        el.style[normalizedName] = val;
      }
    }
  };

  var vendorNames = ['Webkit', 'Moz', 'ms'];

  var emptyStyle;
  var normalize = cached(function (prop) {
    emptyStyle = emptyStyle || document.createElement('div').style;
    prop = camelize(prop);
    if (prop !== 'filter' && (prop in emptyStyle)) {
      return prop
    }
    var capName = prop.charAt(0).toUpperCase() + prop.slice(1);
    for (var i = 0; i < vendorNames.length; i++) {
      var name = vendorNames[i] + capName;
      if (name in emptyStyle) {
        return name
      }
    }
  });

  function updateStyle (oldVnode, vnode) {
    var data = vnode.data;
    var oldData = oldVnode.data;

    if (isUndef(data.staticStyle) && isUndef(data.style) &&
      isUndef(oldData.staticStyle) && isUndef(oldData.style)
    ) {
      return
    }

    var cur, name;
    var el = vnode.elm;
    var oldStaticStyle = oldData.staticStyle;
    var oldStyleBinding = oldData.normalizedStyle || oldData.style || {};

    // if static style exists, stylebinding already merged into it when doing normalizeStyleData
    var oldStyle = oldStaticStyle || oldStyleBinding;

    var style = normalizeStyleBinding(vnode.data.style) || {};

    // store normalized style under a different key for next diff
    // make sure to clone it if it's reactive, since the user likely wants
    // to mutate it.
    vnode.data.normalizedStyle = isDef(style.__ob__)
      ? extend({}, style)
      : style;

    var newStyle = getStyle(vnode, true);

    for (name in oldStyle) {
      if (isUndef(newStyle[name])) {
        setProp(el, name, '');
      }
    }
    for (name in newStyle) {
      cur = newStyle[name];
      if (cur !== oldStyle[name]) {
        // ie9 setting to null has no effect, must use empty string
        setProp(el, name, cur == null ? '' : cur);
      }
    }
  }

  var style = {
    create: updateStyle,
    update: updateStyle
  };

  /*  */

  var whitespaceRE = /\s+/;

  /**
   * Add class with compatibility for SVG since classList is not supported on
   * SVG elements in IE
   */
  function addClass (el, cls) {
    /* istanbul ignore if */
    if (!cls || !(cls = cls.trim())) {
      return
    }

    /* istanbul ignore else */
    if (el.classList) {
      if (cls.indexOf(' ') > -1) {
        cls.split(whitespaceRE).forEach(function (c) { return el.classList.add(c); });
      } else {
        el.classList.add(cls);
      }
    } else {
      var cur = " " + (el.getAttribute('class') || '') + " ";
      if (cur.indexOf(' ' + cls + ' ') < 0) {
        el.setAttribute('class', (cur + cls).trim());
      }
    }
  }

  /**
   * Remove class with compatibility for SVG since classList is not supported on
   * SVG elements in IE
   */
  function removeClass (el, cls) {
    /* istanbul ignore if */
    if (!cls || !(cls = cls.trim())) {
      return
    }

    /* istanbul ignore else */
    if (el.classList) {
      if (cls.indexOf(' ') > -1) {
        cls.split(whitespaceRE).forEach(function (c) { return el.classList.remove(c); });
      } else {
        el.classList.remove(cls);
      }
      if (!el.classList.length) {
        el.removeAttribute('class');
      }
    } else {
      var cur = " " + (el.getAttribute('class') || '') + " ";
      var tar = ' ' + cls + ' ';
      while (cur.indexOf(tar) >= 0) {
        cur = cur.replace(tar, ' ');
      }
      cur = cur.trim();
      if (cur) {
        el.setAttribute('class', cur);
      } else {
        el.removeAttribute('class');
      }
    }
  }

  /*  */

  function resolveTransition (def$$1) {
    if (!def$$1) {
      return
    }
    /* istanbul ignore else */
    if (typeof def$$1 === 'object') {
      var res = {};
      if (def$$1.css !== false) {
        extend(res, autoCssTransition(def$$1.name || 'v'));
      }
      extend(res, def$$1);
      return res
    } else if (typeof def$$1 === 'string') {
      return autoCssTransition(def$$1)
    }
  }

  var autoCssTransition = cached(function (name) {
    return {
      enterClass: (name + "-enter"),
      enterToClass: (name + "-enter-to"),
      enterActiveClass: (name + "-enter-active"),
      leaveClass: (name + "-leave"),
      leaveToClass: (name + "-leave-to"),
      leaveActiveClass: (name + "-leave-active")
    }
  });

  var hasTransition = inBrowser && !isIE9;
  var TRANSITION = 'transition';
  var ANIMATION = 'animation';

  // Transition property/event sniffing
  var transitionProp = 'transition';
  var transitionEndEvent = 'transitionend';
  var animationProp = 'animation';
  var animationEndEvent = 'animationend';
  if (hasTransition) {
    /* istanbul ignore if */
    if (window.ontransitionend === undefined &&
      window.onwebkittransitionend !== undefined
    ) {
      transitionProp = 'WebkitTransition';
      transitionEndEvent = 'webkitTransitionEnd';
    }
    if (window.onanimationend === undefined &&
      window.onwebkitanimationend !== undefined
    ) {
      animationProp = 'WebkitAnimation';
      animationEndEvent = 'webkitAnimationEnd';
    }
  }

  // binding to window is necessary to make hot reload work in IE in strict mode
  var raf = inBrowser
    ? window.requestAnimationFrame
      ? window.requestAnimationFrame.bind(window)
      : setTimeout
    : /* istanbul ignore next */ function (fn) { return fn(); };

  function nextFrame (fn) {
    raf(function () {
      raf(fn);
    });
  }

  function addTransitionClass (el, cls) {
    var transitionClasses = el._transitionClasses || (el._transitionClasses = []);
    if (transitionClasses.indexOf(cls) < 0) {
      transitionClasses.push(cls);
      addClass(el, cls);
    }
  }

  function removeTransitionClass (el, cls) {
    if (el._transitionClasses) {
      remove(el._transitionClasses, cls);
    }
    removeClass(el, cls);
  }

  function whenTransitionEnds (
    el,
    expectedType,
    cb
  ) {
    var ref = getTransitionInfo(el, expectedType);
    var type = ref.type;
    var timeout = ref.timeout;
    var propCount = ref.propCount;
    if (!type) { return cb() }
    var event = type === TRANSITION ? transitionEndEvent : animationEndEvent;
    var ended = 0;
    var end = function () {
      el.removeEventListener(event, onEnd);
      cb();
    };
    var onEnd = function (e) {
      if (e.target === el) {
        if (++ended >= propCount) {
          end();
        }
      }
    };
    setTimeout(function () {
      if (ended < propCount) {
        end();
      }
    }, timeout + 1);
    el.addEventListener(event, onEnd);
  }

  var transformRE = /\b(transform|all)(,|$)/;

  function getTransitionInfo (el, expectedType) {
    var styles = window.getComputedStyle(el);
    // JSDOM may return undefined for transition properties
    var transitionDelays = (styles[transitionProp + 'Delay'] || '').split(', ');
    var transitionDurations = (styles[transitionProp + 'Duration'] || '').split(', ');
    var transitionTimeout = getTimeout(transitionDelays, transitionDurations);
    var animationDelays = (styles[animationProp + 'Delay'] || '').split(', ');
    var animationDurations = (styles[animationProp + 'Duration'] || '').split(', ');
    var animationTimeout = getTimeout(animationDelays, animationDurations);

    var type;
    var timeout = 0;
    var propCount = 0;
    /* istanbul ignore if */
    if (expectedType === TRANSITION) {
      if (transitionTimeout > 0) {
        type = TRANSITION;
        timeout = transitionTimeout;
        propCount = transitionDurations.length;
      }
    } else if (expectedType === ANIMATION) {
      if (animationTimeout > 0) {
        type = ANIMATION;
        timeout = animationTimeout;
        propCount = animationDurations.length;
      }
    } else {
      timeout = Math.max(transitionTimeout, animationTimeout);
      type = timeout > 0
        ? transitionTimeout > animationTimeout
          ? TRANSITION
          : ANIMATION
        : null;
      propCount = type
        ? type === TRANSITION
          ? transitionDurations.length
          : animationDurations.length
        : 0;
    }
    var hasTransform =
      type === TRANSITION &&
      transformRE.test(styles[transitionProp + 'Property']);
    return {
      type: type,
      timeout: timeout,
      propCount: propCount,
      hasTransform: hasTransform
    }
  }

  function getTimeout (delays, durations) {
    /* istanbul ignore next */
    while (delays.length < durations.length) {
      delays = delays.concat(delays);
    }

    return Math.max.apply(null, durations.map(function (d, i) {
      return toMs(d) + toMs(delays[i])
    }))
  }

  // Old versions of Chromium (below 61.0.3163.100) formats floating pointer numbers
  // in a locale-dependent way, using a comma instead of a dot.
  // If comma is not replaced with a dot, the input will be rounded down (i.e. acting
  // as a floor function) causing unexpected behaviors
  function toMs (s) {
    return Number(s.slice(0, -1).replace(',', '.')) * 1000
  }

  /*  */

  function enter (vnode, toggleDisplay) {
    var el = vnode.elm;

    // call leave callback now
    if (isDef(el._leaveCb)) {
      el._leaveCb.cancelled = true;
      el._leaveCb();
    }

    var data = resolveTransition(vnode.data.transition);
    if (isUndef(data)) {
      return
    }

    /* istanbul ignore if */
    if (isDef(el._enterCb) || el.nodeType !== 1) {
      return
    }

    var css = data.css;
    var type = data.type;
    var enterClass = data.enterClass;
    var enterToClass = data.enterToClass;
    var enterActiveClass = data.enterActiveClass;
    var appearClass = data.appearClass;
    var appearToClass = data.appearToClass;
    var appearActiveClass = data.appearActiveClass;
    var beforeEnter = data.beforeEnter;
    var enter = data.enter;
    var afterEnter = data.afterEnter;
    var enterCancelled = data.enterCancelled;
    var beforeAppear = data.beforeAppear;
    var appear = data.appear;
    var afterAppear = data.afterAppear;
    var appearCancelled = data.appearCancelled;
    var duration = data.duration;

    // activeInstance will always be the <transition> component managing this
    // transition. One edge case to check is when the <transition> is placed
    // as the root node of a child component. In that case we need to check
    // <transition>'s parent for appear check.
    var context = activeInstance;
    var transitionNode = activeInstance.$vnode;
    while (transitionNode && transitionNode.parent) {
      context = transitionNode.context;
      transitionNode = transitionNode.parent;
    }

    var isAppear = !context._isMounted || !vnode.isRootInsert;

    if (isAppear && !appear && appear !== '') {
      return
    }

    var startClass = isAppear && appearClass
      ? appearClass
      : enterClass;
    var activeClass = isAppear && appearActiveClass
      ? appearActiveClass
      : enterActiveClass;
    var toClass = isAppear && appearToClass
      ? appearToClass
      : enterToClass;

    var beforeEnterHook = isAppear
      ? (beforeAppear || beforeEnter)
      : beforeEnter;
    var enterHook = isAppear
      ? (typeof appear === 'function' ? appear : enter)
      : enter;
    var afterEnterHook = isAppear
      ? (afterAppear || afterEnter)
      : afterEnter;
    var enterCancelledHook = isAppear
      ? (appearCancelled || enterCancelled)
      : enterCancelled;

    var explicitEnterDuration = toNumber(
      isObject(duration)
        ? duration.enter
        : duration
    );

    if (explicitEnterDuration != null) {
      checkDuration(explicitEnterDuration, 'enter', vnode);
    }

    var expectsCSS = css !== false && !isIE9;
    var userWantsControl = getHookArgumentsLength(enterHook);

    var cb = el._enterCb = once(function () {
      if (expectsCSS) {
        removeTransitionClass(el, toClass);
        removeTransitionClass(el, activeClass);
      }
      if (cb.cancelled) {
        if (expectsCSS) {
          removeTransitionClass(el, startClass);
        }
        enterCancelledHook && enterCancelledHook(el);
      } else {
        afterEnterHook && afterEnterHook(el);
      }
      el._enterCb = null;
    });

    if (!vnode.data.show) {
      // remove pending leave element on enter by injecting an insert hook
      mergeVNodeHook(vnode, 'insert', function () {
        var parent = el.parentNode;
        var pendingNode = parent && parent._pending && parent._pending[vnode.key];
        if (pendingNode &&
          pendingNode.tag === vnode.tag &&
          pendingNode.elm._leaveCb
        ) {
          pendingNode.elm._leaveCb();
        }
        enterHook && enterHook(el, cb);
      });
    }

    // start enter transition
    beforeEnterHook && beforeEnterHook(el);
    if (expectsCSS) {
      addTransitionClass(el, startClass);
      addTransitionClass(el, activeClass);
      nextFrame(function () {
        removeTransitionClass(el, startClass);
        if (!cb.cancelled) {
          addTransitionClass(el, toClass);
          if (!userWantsControl) {
            if (isValidDuration(explicitEnterDuration)) {
              setTimeout(cb, explicitEnterDuration);
            } else {
              whenTransitionEnds(el, type, cb);
            }
          }
        }
      });
    }

    if (vnode.data.show) {
      toggleDisplay && toggleDisplay();
      enterHook && enterHook(el, cb);
    }

    if (!expectsCSS && !userWantsControl) {
      cb();
    }
  }

  function leave (vnode, rm) {
    var el = vnode.elm;

    // call enter callback now
    if (isDef(el._enterCb)) {
      el._enterCb.cancelled = true;
      el._enterCb();
    }

    var data = resolveTransition(vnode.data.transition);
    if (isUndef(data) || el.nodeType !== 1) {
      return rm()
    }

    /* istanbul ignore if */
    if (isDef(el._leaveCb)) {
      return
    }

    var css = data.css;
    var type = data.type;
    var leaveClass = data.leaveClass;
    var leaveToClass = data.leaveToClass;
    var leaveActiveClass = data.leaveActiveClass;
    var beforeLeave = data.beforeLeave;
    var leave = data.leave;
    var afterLeave = data.afterLeave;
    var leaveCancelled = data.leaveCancelled;
    var delayLeave = data.delayLeave;
    var duration = data.duration;

    var expectsCSS = css !== false && !isIE9;
    var userWantsControl = getHookArgumentsLength(leave);

    var explicitLeaveDuration = toNumber(
      isObject(duration)
        ? duration.leave
        : duration
    );

    if (isDef(explicitLeaveDuration)) {
      checkDuration(explicitLeaveDuration, 'leave', vnode);
    }

    var cb = el._leaveCb = once(function () {
      if (el.parentNode && el.parentNode._pending) {
        el.parentNode._pending[vnode.key] = null;
      }
      if (expectsCSS) {
        removeTransitionClass(el, leaveToClass);
        removeTransitionClass(el, leaveActiveClass);
      }
      if (cb.cancelled) {
        if (expectsCSS) {
          removeTransitionClass(el, leaveClass);
        }
        leaveCancelled && leaveCancelled(el);
      } else {
        rm();
        afterLeave && afterLeave(el);
      }
      el._leaveCb = null;
    });

    if (delayLeave) {
      delayLeave(performLeave);
    } else {
      performLeave();
    }

    function performLeave () {
      // the delayed leave may have already been cancelled
      if (cb.cancelled) {
        return
      }
      // record leaving element
      if (!vnode.data.show && el.parentNode) {
        (el.parentNode._pending || (el.parentNode._pending = {}))[(vnode.key)] = vnode;
      }
      beforeLeave && beforeLeave(el);
      if (expectsCSS) {
        addTransitionClass(el, leaveClass);
        addTransitionClass(el, leaveActiveClass);
        nextFrame(function () {
          removeTransitionClass(el, leaveClass);
          if (!cb.cancelled) {
            addTransitionClass(el, leaveToClass);
            if (!userWantsControl) {
              if (isValidDuration(explicitLeaveDuration)) {
                setTimeout(cb, explicitLeaveDuration);
              } else {
                whenTransitionEnds(el, type, cb);
              }
            }
          }
        });
      }
      leave && leave(el, cb);
      if (!expectsCSS && !userWantsControl) {
        cb();
      }
    }
  }

  // only used in dev mode
  function checkDuration (val, name, vnode) {
    if (typeof val !== 'number') {
      warn(
        "<transition> explicit " + name + " duration is not a valid number - " +
        "got " + (JSON.stringify(val)) + ".",
        vnode.context
      );
    } else if (isNaN(val)) {
      warn(
        "<transition> explicit " + name + " duration is NaN - " +
        'the duration expression might be incorrect.',
        vnode.context
      );
    }
  }

  function isValidDuration (val) {
    return typeof val === 'number' && !isNaN(val)
  }

  /**
   * Normalize a transition hook's argument length. The hook may be:
   * - a merged hook (invoker) with the original in .fns
   * - a wrapped component method (check ._length)
   * - a plain function (.length)
   */
  function getHookArgumentsLength (fn) {
    if (isUndef(fn)) {
      return false
    }
    var invokerFns = fn.fns;
    if (isDef(invokerFns)) {
      // invoker
      return getHookArgumentsLength(
        Array.isArray(invokerFns)
          ? invokerFns[0]
          : invokerFns
      )
    } else {
      return (fn._length || fn.length) > 1
    }
  }

  function _enter (_, vnode) {
    if (vnode.data.show !== true) {
      enter(vnode);
    }
  }

  var transition = inBrowser ? {
    create: _enter,
    activate: _enter,
    remove: function remove$$1 (vnode, rm) {
      /* istanbul ignore else */
      if (vnode.data.show !== true) {
        leave(vnode, rm);
      } else {
        rm();
      }
    }
  } : {};

  var platformModules = [
    attrs,
    klass,
    events,
    domProps,
    style,
    transition
  ];

  /*  */

  // the directive module should be applied last, after all
  // built-in modules have been applied.
  var modules = platformModules.concat(baseModules);

  var patch = createPatchFunction({ nodeOps: nodeOps, modules: modules });

  /**
   * Not type checking this file because flow doesn't like attaching
   * properties to Elements.
   */

  /* istanbul ignore if */
  if (isIE9) {
    // http://www.matts411.com/post/internet-explorer-9-oninput/
    document.addEventListener('selectionchange', function () {
      var el = document.activeElement;
      if (el && el.vmodel) {
        trigger(el, 'input');
      }
    });
  }

  var directive = {
    inserted: function inserted (el, binding, vnode, oldVnode) {
      if (vnode.tag === 'select') {
        // #6903
        if (oldVnode.elm && !oldVnode.elm._vOptions) {
          mergeVNodeHook(vnode, 'postpatch', function () {
            directive.componentUpdated(el, binding, vnode);
          });
        } else {
          setSelected(el, binding, vnode.context);
        }
        el._vOptions = [].map.call(el.options, getValue);
      } else if (vnode.tag === 'textarea' || isTextInputType(el.type)) {
        el._vModifiers = binding.modifiers;
        if (!binding.modifiers.lazy) {
          el.addEventListener('compositionstart', onCompositionStart);
          el.addEventListener('compositionend', onCompositionEnd);
          // Safari < 10.2 & UIWebView doesn't fire compositionend when
          // switching focus before confirming composition choice
          // this also fixes the issue where some browsers e.g. iOS Chrome
          // fires "change" instead of "input" on autocomplete.
          el.addEventListener('change', onCompositionEnd);
          /* istanbul ignore if */
          if (isIE9) {
            el.vmodel = true;
          }
        }
      }
    },

    componentUpdated: function componentUpdated (el, binding, vnode) {
      if (vnode.tag === 'select') {
        setSelected(el, binding, vnode.context);
        // in case the options rendered by v-for have changed,
        // it's possible that the value is out-of-sync with the rendered options.
        // detect such cases and filter out values that no longer has a matching
        // option in the DOM.
        var prevOptions = el._vOptions;
        var curOptions = el._vOptions = [].map.call(el.options, getValue);
        if (curOptions.some(function (o, i) { return !looseEqual(o, prevOptions[i]); })) {
          // trigger change event if
          // no matching option found for at least one value
          var needReset = el.multiple
            ? binding.value.some(function (v) { return hasNoMatchingOption(v, curOptions); })
            : binding.value !== binding.oldValue && hasNoMatchingOption(binding.value, curOptions);
          if (needReset) {
            trigger(el, 'change');
          }
        }
      }
    }
  };

  function setSelected (el, binding, vm) {
    actuallySetSelected(el, binding, vm);
    /* istanbul ignore if */
    if (isIE || isEdge) {
      setTimeout(function () {
        actuallySetSelected(el, binding, vm);
      }, 0);
    }
  }

  function actuallySetSelected (el, binding, vm) {
    var value = binding.value;
    var isMultiple = el.multiple;
    if (isMultiple && !Array.isArray(value)) {
      warn(
        "<select multiple v-model=\"" + (binding.expression) + "\"> " +
        "expects an Array value for its binding, but got " + (Object.prototype.toString.call(value).slice(8, -1)),
        vm
      );
      return
    }
    var selected, option;
    for (var i = 0, l = el.options.length; i < l; i++) {
      option = el.options[i];
      if (isMultiple) {
        selected = looseIndexOf(value, getValue(option)) > -1;
        if (option.selected !== selected) {
          option.selected = selected;
        }
      } else {
        if (looseEqual(getValue(option), value)) {
          if (el.selectedIndex !== i) {
            el.selectedIndex = i;
          }
          return
        }
      }
    }
    if (!isMultiple) {
      el.selectedIndex = -1;
    }
  }

  function hasNoMatchingOption (value, options) {
    return options.every(function (o) { return !looseEqual(o, value); })
  }

  function getValue (option) {
    return '_value' in option
      ? option._value
      : option.value
  }

  function onCompositionStart (e) {
    e.target.composing = true;
  }

  function onCompositionEnd (e) {
    // prevent triggering an input event for no reason
    if (!e.target.composing) { return }
    e.target.composing = false;
    trigger(e.target, 'input');
  }

  function trigger (el, type) {
    var e = document.createEvent('HTMLEvents');
    e.initEvent(type, true, true);
    el.dispatchEvent(e);
  }

  /*  */

  // recursively search for possible transition defined inside the component root
  function locateNode (vnode) {
    return vnode.componentInstance && (!vnode.data || !vnode.data.transition)
      ? locateNode(vnode.componentInstance._vnode)
      : vnode
  }

  var show = {
    bind: function bind (el, ref, vnode) {
      var value = ref.value;

      vnode = locateNode(vnode);
      var transition$$1 = vnode.data && vnode.data.transition;
      var originalDisplay = el.__vOriginalDisplay =
        el.style.display === 'none' ? '' : el.style.display;
      if (value && transition$$1) {
        vnode.data.show = true;
        enter(vnode, function () {
          el.style.display = originalDisplay;
        });
      } else {
        el.style.display = value ? originalDisplay : 'none';
      }
    },

    update: function update (el, ref, vnode) {
      var value = ref.value;
      var oldValue = ref.oldValue;

      /* istanbul ignore if */
      if (!value === !oldValue) { return }
      vnode = locateNode(vnode);
      var transition$$1 = vnode.data && vnode.data.transition;
      if (transition$$1) {
        vnode.data.show = true;
        if (value) {
          enter(vnode, function () {
            el.style.display = el.__vOriginalDisplay;
          });
        } else {
          leave(vnode, function () {
            el.style.display = 'none';
          });
        }
      } else {
        el.style.display = value ? el.__vOriginalDisplay : 'none';
      }
    },

    unbind: function unbind (
      el,
      binding,
      vnode,
      oldVnode,
      isDestroy
    ) {
      if (!isDestroy) {
        el.style.display = el.__vOriginalDisplay;
      }
    }
  };

  var platformDirectives = {
    model: directive,
    show: show
  };

  /*  */

  var transitionProps = {
    name: String,
    appear: Boolean,
    css: Boolean,
    mode: String,
    type: String,
    enterClass: String,
    leaveClass: String,
    enterToClass: String,
    leaveToClass: String,
    enterActiveClass: String,
    leaveActiveClass: String,
    appearClass: String,
    appearActiveClass: String,
    appearToClass: String,
    duration: [Number, String, Object]
  };

  // in case the child is also an abstract component, e.g. <keep-alive>
  // we want to recursively retrieve the real component to be rendered
  function getRealChild (vnode) {
    var compOptions = vnode && vnode.componentOptions;
    if (compOptions && compOptions.Ctor.options.abstract) {
      return getRealChild(getFirstComponentChild(compOptions.children))
    } else {
      return vnode
    }
  }

  function extractTransitionData (comp) {
    var data = {};
    var options = comp.$options;
    // props
    for (var key in options.propsData) {
      data[key] = comp[key];
    }
    // events.
    // extract listeners and pass them directly to the transition methods
    var listeners = options._parentListeners;
    for (var key$1 in listeners) {
      data[camelize(key$1)] = listeners[key$1];
    }
    return data
  }

  function placeholder (h, rawChild) {
    if (/\d-keep-alive$/.test(rawChild.tag)) {
      return h('keep-alive', {
        props: rawChild.componentOptions.propsData
      })
    }
  }

  function hasParentTransition (vnode) {
    while ((vnode = vnode.parent)) {
      if (vnode.data.transition) {
        return true
      }
    }
  }

  function isSameChild (child, oldChild) {
    return oldChild.key === child.key && oldChild.tag === child.tag
  }

  var isNotTextNode = function (c) { return c.tag || isAsyncPlaceholder(c); };

  var isVShowDirective = function (d) { return d.name === 'show'; };

  var Transition = {
    name: 'transition',
    props: transitionProps,
    abstract: true,

    render: function render (h) {
      var this$1 = this;

      var children = this.$slots.default;
      if (!children) {
        return
      }

      // filter out text nodes (possible whitespaces)
      children = children.filter(isNotTextNode);
      /* istanbul ignore if */
      if (!children.length) {
        return
      }

      // warn multiple elements
      if (children.length > 1) {
        warn(
          '<transition> can only be used on a single element. Use ' +
          '<transition-group> for lists.',
          this.$parent
        );
      }

      var mode = this.mode;

      // warn invalid mode
      if (mode && mode !== 'in-out' && mode !== 'out-in'
      ) {
        warn(
          'invalid <transition> mode: ' + mode,
          this.$parent
        );
      }

      var rawChild = children[0];

      // if this is a component root node and the component's
      // parent container node also has transition, skip.
      if (hasParentTransition(this.$vnode)) {
        return rawChild
      }

      // apply transition data to child
      // use getRealChild() to ignore abstract components e.g. keep-alive
      var child = getRealChild(rawChild);
      /* istanbul ignore if */
      if (!child) {
        return rawChild
      }

      if (this._leaving) {
        return placeholder(h, rawChild)
      }

      // ensure a key that is unique to the vnode type and to this transition
      // component instance. This key will be used to remove pending leaving nodes
      // during entering.
      var id = "__transition-" + (this._uid) + "-";
      child.key = child.key == null
        ? child.isComment
          ? id + 'comment'
          : id + child.tag
        : isPrimitive(child.key)
          ? (String(child.key).indexOf(id) === 0 ? child.key : id + child.key)
          : child.key;

      var data = (child.data || (child.data = {})).transition = extractTransitionData(this);
      var oldRawChild = this._vnode;
      var oldChild = getRealChild(oldRawChild);

      // mark v-show
      // so that the transition module can hand over the control to the directive
      if (child.data.directives && child.data.directives.some(isVShowDirective)) {
        child.data.show = true;
      }

      if (
        oldChild &&
        oldChild.data &&
        !isSameChild(child, oldChild) &&
        !isAsyncPlaceholder(oldChild) &&
        // #6687 component root is a comment node
        !(oldChild.componentInstance && oldChild.componentInstance._vnode.isComment)
      ) {
        // replace old child transition data with fresh one
        // important for dynamic transitions!
        var oldData = oldChild.data.transition = extend({}, data);
        // handle transition mode
        if (mode === 'out-in') {
          // return placeholder node and queue update when leave finishes
          this._leaving = true;
          mergeVNodeHook(oldData, 'afterLeave', function () {
            this$1._leaving = false;
            this$1.$forceUpdate();
          });
          return placeholder(h, rawChild)
        } else if (mode === 'in-out') {
          if (isAsyncPlaceholder(child)) {
            return oldRawChild
          }
          var delayedLeave;
          var performLeave = function () { delayedLeave(); };
          mergeVNodeHook(data, 'afterEnter', performLeave);
          mergeVNodeHook(data, 'enterCancelled', performLeave);
          mergeVNodeHook(oldData, 'delayLeave', function (leave) { delayedLeave = leave; });
        }
      }

      return rawChild
    }
  };

  /*  */

  var props = extend({
    tag: String,
    moveClass: String
  }, transitionProps);

  delete props.mode;

  var TransitionGroup = {
    props: props,

    beforeMount: function beforeMount () {
      var this$1 = this;

      var update = this._update;
      this._update = function (vnode, hydrating) {
        var restoreActiveInstance = setActiveInstance(this$1);
        // force removing pass
        this$1.__patch__(
          this$1._vnode,
          this$1.kept,
          false, // hydrating
          true // removeOnly (!important, avoids unnecessary moves)
        );
        this$1._vnode = this$1.kept;
        restoreActiveInstance();
        update.call(this$1, vnode, hydrating);
      };
    },

    render: function render (h) {
      var tag = this.tag || this.$vnode.data.tag || 'span';
      var map = Object.create(null);
      var prevChildren = this.prevChildren = this.children;
      var rawChildren = this.$slots.default || [];
      var children = this.children = [];
      var transitionData = extractTransitionData(this);

      for (var i = 0; i < rawChildren.length; i++) {
        var c = rawChildren[i];
        if (c.tag) {
          if (c.key != null && String(c.key).indexOf('__vlist') !== 0) {
            children.push(c);
            map[c.key] = c
            ;(c.data || (c.data = {})).transition = transitionData;
          } else {
            var opts = c.componentOptions;
            var name = opts ? (opts.Ctor.options.name || opts.tag || '') : c.tag;
            warn(("<transition-group> children must be keyed: <" + name + ">"));
          }
        }
      }

      if (prevChildren) {
        var kept = [];
        var removed = [];
        for (var i$1 = 0; i$1 < prevChildren.length; i$1++) {
          var c$1 = prevChildren[i$1];
          c$1.data.transition = transitionData;
          c$1.data.pos = c$1.elm.getBoundingClientRect();
          if (map[c$1.key]) {
            kept.push(c$1);
          } else {
            removed.push(c$1);
          }
        }
        this.kept = h(tag, null, kept);
        this.removed = removed;
      }

      return h(tag, null, children)
    },

    updated: function updated () {
      var children = this.prevChildren;
      var moveClass = this.moveClass || ((this.name || 'v') + '-move');
      if (!children.length || !this.hasMove(children[0].elm, moveClass)) {
        return
      }

      // we divide the work into three loops to avoid mixing DOM reads and writes
      // in each iteration - which helps prevent layout thrashing.
      children.forEach(callPendingCbs);
      children.forEach(recordPosition);
      children.forEach(applyTranslation);

      // force reflow to put everything in position
      // assign to this to avoid being removed in tree-shaking
      // $flow-disable-line
      this._reflow = document.body.offsetHeight;

      children.forEach(function (c) {
        if (c.data.moved) {
          var el = c.elm;
          var s = el.style;
          addTransitionClass(el, moveClass);
          s.transform = s.WebkitTransform = s.transitionDuration = '';
          el.addEventListener(transitionEndEvent, el._moveCb = function cb (e) {
            if (e && e.target !== el) {
              return
            }
            if (!e || /transform$/.test(e.propertyName)) {
              el.removeEventListener(transitionEndEvent, cb);
              el._moveCb = null;
              removeTransitionClass(el, moveClass);
            }
          });
        }
      });
    },

    methods: {
      hasMove: function hasMove (el, moveClass) {
        /* istanbul ignore if */
        if (!hasTransition) {
          return false
        }
        /* istanbul ignore if */
        if (this._hasMove) {
          return this._hasMove
        }
        // Detect whether an element with the move class applied has
        // CSS transitions. Since the element may be inside an entering
        // transition at this very moment, we make a clone of it and remove
        // all other transition classes applied to ensure only the move class
        // is applied.
        var clone = el.cloneNode();
        if (el._transitionClasses) {
          el._transitionClasses.forEach(function (cls) { removeClass(clone, cls); });
        }
        addClass(clone, moveClass);
        clone.style.display = 'none';
        this.$el.appendChild(clone);
        var info = getTransitionInfo(clone);
        this.$el.removeChild(clone);
        return (this._hasMove = info.hasTransform)
      }
    }
  };

  function callPendingCbs (c) {
    /* istanbul ignore if */
    if (c.elm._moveCb) {
      c.elm._moveCb();
    }
    /* istanbul ignore if */
    if (c.elm._enterCb) {
      c.elm._enterCb();
    }
  }

  function recordPosition (c) {
    c.data.newPos = c.elm.getBoundingClientRect();
  }

  function applyTranslation (c) {
    var oldPos = c.data.pos;
    var newPos = c.data.newPos;
    var dx = oldPos.left - newPos.left;
    var dy = oldPos.top - newPos.top;
    if (dx || dy) {
      c.data.moved = true;
      var s = c.elm.style;
      s.transform = s.WebkitTransform = "translate(" + dx + "px," + dy + "px)";
      s.transitionDuration = '0s';
    }
  }

  var platformComponents = {
    Transition: Transition,
    TransitionGroup: TransitionGroup
  };

  /*  */

  // install platform specific utils
  Vue.config.mustUseProp = mustUseProp;
  Vue.config.isReservedTag = isReservedTag;
  Vue.config.isReservedAttr = isReservedAttr;
  Vue.config.getTagNamespace = getTagNamespace;
  Vue.config.isUnknownElement = isUnknownElement;

  // install platform runtime directives & components
  extend(Vue.options.directives, platformDirectives);
  extend(Vue.options.components, platformComponents);

  // install platform patch function
  Vue.prototype.__patch__ = inBrowser ? patch : noop;

  // public mount method
  Vue.prototype.$mount = function (
    el,
    hydrating
  ) {
    el = el && inBrowser ? query(el) : undefined;
    return mountComponent(this, el, hydrating)
  };

  // devtools global hook
  /* istanbul ignore next */
  if (inBrowser) {
    setTimeout(function () {
      if (config.devtools) {
        if (devtools) {
          devtools.emit('init', Vue);
        } else {
          console[console.info ? 'info' : 'log'](
            'Download the Vue Devtools extension for a better development experience:\n' +
            'https://github.com/vuejs/vue-devtools'
          );
        }
      }
      if (config.productionTip !== false &&
        typeof console !== 'undefined'
      ) {
        console[console.info ? 'info' : 'log'](
          "You are running Vue in development mode.\n" +
          "Make sure to turn on production mode when deploying for production.\n" +
          "See more tips at https://vuejs.org/guide/deployment.html"
        );
      }
    }, 0);
  }

  /*  */

  var defaultTagRE = /\{\{((?:.|\r?\n)+?)\}\}/g;
  var regexEscapeRE = /[-.*+?^${}()|[\]\/\\]/g;

  var buildRegex = cached(function (delimiters) {
    var open = delimiters[0].replace(regexEscapeRE, '\\$&');
    var close = delimiters[1].replace(regexEscapeRE, '\\$&');
    return new RegExp(open + '((?:.|\\n)+?)' + close, 'g')
  });



  function parseText (
    text,
    delimiters
  ) {
    var tagRE = delimiters ? buildRegex(delimiters) : defaultTagRE;
    if (!tagRE.test(text)) {
      return
    }
    var tokens = [];
    var rawTokens = [];
    var lastIndex = tagRE.lastIndex = 0;
    var match, index, tokenValue;
    while ((match = tagRE.exec(text))) {
      index = match.index;
      // push text token
      if (index > lastIndex) {
        rawTokens.push(tokenValue = text.slice(lastIndex, index));
        tokens.push(JSON.stringify(tokenValue));
      }
      // tag token
      var exp = parseFilters(match[1].trim());
      tokens.push(("_s(" + exp + ")"));
      rawTokens.push({ '@binding': exp });
      lastIndex = index + match[0].length;
    }
    if (lastIndex < text.length) {
      rawTokens.push(tokenValue = text.slice(lastIndex));
      tokens.push(JSON.stringify(tokenValue));
    }
    return {
      expression: tokens.join('+'),
      tokens: rawTokens
    }
  }

  /*  */

  function transformNode (el, options) {
    var warn = options.warn || baseWarn;
    var staticClass = getAndRemoveAttr(el, 'class');
    if (staticClass) {
      var res = parseText(staticClass, options.delimiters);
      if (res) {
        warn(
          "class=\"" + staticClass + "\": " +
          'Interpolation inside attributes has been removed. ' +
          'Use v-bind or the colon shorthand instead. For example, ' +
          'instead of <div class="{{ val }}">, use <div :class="val">.',
          el.rawAttrsMap['class']
        );
      }
    }
    if (staticClass) {
      el.staticClass = JSON.stringify(staticClass);
    }
    var classBinding = getBindingAttr(el, 'class', false /* getStatic */);
    if (classBinding) {
      el.classBinding = classBinding;
    }
  }

  function genData (el) {
    var data = '';
    if (el.staticClass) {
      data += "staticClass:" + (el.staticClass) + ",";
    }
    if (el.classBinding) {
      data += "class:" + (el.classBinding) + ",";
    }
    return data
  }

  var klass$1 = {
    staticKeys: ['staticClass'],
    transformNode: transformNode,
    genData: genData
  };

  /*  */

  function transformNode$1 (el, options) {
    var warn = options.warn || baseWarn;
    var staticStyle = getAndRemoveAttr(el, 'style');
    if (staticStyle) {
      /* istanbul ignore if */
      {
        var res = parseText(staticStyle, options.delimiters);
        if (res) {
          warn(
            "style=\"" + staticStyle + "\": " +
            'Interpolation inside attributes has been removed. ' +
            'Use v-bind or the colon shorthand instead. For example, ' +
            'instead of <div style="{{ val }}">, use <div :style="val">.',
            el.rawAttrsMap['style']
          );
        }
      }
      el.staticStyle = JSON.stringify(parseStyleText(staticStyle));
    }

    var styleBinding = getBindingAttr(el, 'style', false /* getStatic */);
    if (styleBinding) {
      el.styleBinding = styleBinding;
    }
  }

  function genData$1 (el) {
    var data = '';
    if (el.staticStyle) {
      data += "staticStyle:" + (el.staticStyle) + ",";
    }
    if (el.styleBinding) {
      data += "style:(" + (el.styleBinding) + "),";
    }
    return data
  }

  var style$1 = {
    staticKeys: ['staticStyle'],
    transformNode: transformNode$1,
    genData: genData$1
  };

  /*  */

  var decoder;

  var he = {
    decode: function decode (html) {
      decoder = decoder || document.createElement('div');
      decoder.innerHTML = html;
      return decoder.textContent
    }
  };

  /*  */

  var isUnaryTag = makeMap(
    'area,base,br,col,embed,frame,hr,img,input,isindex,keygen,' +
    'link,meta,param,source,track,wbr'
  );

  // Elements that you can, intentionally, leave open
  // (and which close themselves)
  var canBeLeftOpenTag = makeMap(
    'colgroup,dd,dt,li,options,p,td,tfoot,th,thead,tr,source'
  );

  // HTML5 tags https://html.spec.whatwg.org/multipage/indices.html#elements-3
  // Phrasing Content https://html.spec.whatwg.org/multipage/dom.html#phrasing-content
  var isNonPhrasingTag = makeMap(
    'address,article,aside,base,blockquote,body,caption,col,colgroup,dd,' +
    'details,dialog,div,dl,dt,fieldset,figcaption,figure,footer,form,' +
    'h1,h2,h3,h4,h5,h6,head,header,hgroup,hr,html,legend,li,menuitem,meta,' +
    'optgroup,option,param,rp,rt,source,style,summary,tbody,td,tfoot,th,thead,' +
    'title,tr,track'
  );

  /**
   * Not type-checking this file because it's mostly vendor code.
   */

  // Regular Expressions for parsing tags and attributes
  var attribute = /^\s*([^\s"'<>\/=]+)(?:\s*(=)\s*(?:"([^"]*)"+|'([^']*)'+|([^\s"'=<>`]+)))?/;
  var dynamicArgAttribute = /^\s*((?:v-[\w-]+:|@|:|#)\[[^=]+\][^\s"'<>\/=]*)(?:\s*(=)\s*(?:"([^"]*)"+|'([^']*)'+|([^\s"'=<>`]+)))?/;
  var ncname = "[a-zA-Z_][\\-\\.0-9_a-zA-Z" + (unicodeRegExp.source) + "]*";
  var qnameCapture = "((?:" + ncname + "\\:)?" + ncname + ")";
  var startTagOpen = new RegExp(("^<" + qnameCapture));
  var startTagClose = /^\s*(\/?)>/;
  var endTag = new RegExp(("^<\\/" + qnameCapture + "[^>]*>"));
  var doctype = /^<!DOCTYPE [^>]+>/i;
  // #7298: escape - to avoid being pased as HTML comment when inlined in page
  var comment = /^<!\--/;
  var conditionalComment = /^<!\[/;

  // Special Elements (can contain anything)
  var isPlainTextElement = makeMap('script,style,textarea', true);
  var reCache = {};

  var decodingMap = {
    '&lt;': '<',
    '&gt;': '>',
    '&quot;': '"',
    '&amp;': '&',
    '&#10;': '\n',
    '&#9;': '\t',
    '&#39;': "'"
  };
  var encodedAttr = /&(?:lt|gt|quot|amp|#39);/g;
  var encodedAttrWithNewLines = /&(?:lt|gt|quot|amp|#39|#10|#9);/g;

  // #5992
  var isIgnoreNewlineTag = makeMap('pre,textarea', true);
  var shouldIgnoreFirstNewline = function (tag, html) { return tag && isIgnoreNewlineTag(tag) && html[0] === '\n'; };

  function decodeAttr (value, shouldDecodeNewlines) {
    var re = shouldDecodeNewlines ? encodedAttrWithNewLines : encodedAttr;
    return value.replace(re, function (match) { return decodingMap[match]; })
  }

  function parseHTML (html, options) {
    var stack = [];
    var expectHTML = options.expectHTML;
    var isUnaryTag$$1 = options.isUnaryTag || no;
    var canBeLeftOpenTag$$1 = options.canBeLeftOpenTag || no;
    var index = 0;
    var last, lastTag;
    while (html) {
      last = html;
      // Make sure we're not in a plaintext content element like script/style
      if (!lastTag || !isPlainTextElement(lastTag)) {
        var textEnd = html.indexOf('<');
        if (textEnd === 0) {
          // Comment:
          if (comment.test(html)) {
            var commentEnd = html.indexOf('-->');

            if (commentEnd >= 0) {
              if (options.shouldKeepComment) {
                options.comment(html.substring(4, commentEnd), index, index + commentEnd + 3);
              }
              advance(commentEnd + 3);
              continue
            }
          }

          // http://en.wikipedia.org/wiki/Conditional_comment#Downlevel-revealed_conditional_comment
          if (conditionalComment.test(html)) {
            var conditionalEnd = html.indexOf(']>');

            if (conditionalEnd >= 0) {
              advance(conditionalEnd + 2);
              continue
            }
          }

          // Doctype:
          var doctypeMatch = html.match(doctype);
          if (doctypeMatch) {
            advance(doctypeMatch[0].length);
            continue
          }

          // End tag:
          var endTagMatch = html.match(endTag);
          if (endTagMatch) {
            var curIndex = index;
            advance(endTagMatch[0].length);
            parseEndTag(endTagMatch[1], curIndex, index);
            continue
          }

          // Start tag:
          var startTagMatch = parseStartTag();
          if (startTagMatch) {
            handleStartTag(startTagMatch);
            if (shouldIgnoreFirstNewline(startTagMatch.tagName, html)) {
              advance(1);
            }
            continue
          }
        }

        var text = (void 0), rest = (void 0), next = (void 0);
        if (textEnd >= 0) {
          rest = html.slice(textEnd);
          while (
            !endTag.test(rest) &&
            !startTagOpen.test(rest) &&
            !comment.test(rest) &&
            !conditionalComment.test(rest)
          ) {
            // < in plain text, be forgiving and treat it as text
            next = rest.indexOf('<', 1);
            if (next < 0) { break }
            textEnd += next;
            rest = html.slice(textEnd);
          }
          text = html.substring(0, textEnd);
        }

        if (textEnd < 0) {
          text = html;
        }

        if (text) {
          advance(text.length);
        }

        if (options.chars && text) {
          options.chars(text, index - text.length, index);
        }
      } else {
        var endTagLength = 0;
        var stackedTag = lastTag.toLowerCase();
        var reStackedTag = reCache[stackedTag] || (reCache[stackedTag] = new RegExp('([\\s\\S]*?)(</' + stackedTag + '[^>]*>)', 'i'));
        var rest$1 = html.replace(reStackedTag, function (all, text, endTag) {
          endTagLength = endTag.length;
          if (!isPlainTextElement(stackedTag) && stackedTag !== 'noscript') {
            text = text
              .replace(/<!\--([\s\S]*?)-->/g, '$1') // #7298
              .replace(/<!\[CDATA\[([\s\S]*?)]]>/g, '$1');
          }
          if (shouldIgnoreFirstNewline(stackedTag, text)) {
            text = text.slice(1);
          }
          if (options.chars) {
            options.chars(text);
          }
          return ''
        });
        index += html.length - rest$1.length;
        html = rest$1;
        parseEndTag(stackedTag, index - endTagLength, index);
      }

      if (html === last) {
        options.chars && options.chars(html);
        if (!stack.length && options.warn) {
          options.warn(("Mal-formatted tag at end of template: \"" + html + "\""), { start: index + html.length });
        }
        break
      }
    }

    // Clean up any remaining tags
    parseEndTag();

    function advance (n) {
      index += n;
      html = html.substring(n);
    }

    function parseStartTag () {
      var start = html.match(startTagOpen);
      if (start) {
        var match = {
          tagName: start[1],
          attrs: [],
          start: index
        };
        advance(start[0].length);
        var end, attr;
        while (!(end = html.match(startTagClose)) && (attr = html.match(dynamicArgAttribute) || html.match(attribute))) {
          attr.start = index;
          advance(attr[0].length);
          attr.end = index;
          match.attrs.push(attr);
        }
        if (end) {
          match.unarySlash = end[1];
          advance(end[0].length);
          match.end = index;
          return match
        }
      }
    }

    function handleStartTag (match) {
      var tagName = match.tagName;
      var unarySlash = match.unarySlash;

      if (expectHTML) {
        if (lastTag === 'p' && isNonPhrasingTag(tagName)) {
          parseEndTag(lastTag);
        }
        if (canBeLeftOpenTag$$1(tagName) && lastTag === tagName) {
          parseEndTag(tagName);
        }
      }

      var unary = isUnaryTag$$1(tagName) || !!unarySlash;

      var l = match.attrs.length;
      var attrs = new Array(l);
      for (var i = 0; i < l; i++) {
        var args = match.attrs[i];
        var value = args[3] || args[4] || args[5] || '';
        var shouldDecodeNewlines = tagName === 'a' && args[1] === 'href'
          ? options.shouldDecodeNewlinesForHref
          : options.shouldDecodeNewlines;
        attrs[i] = {
          name: args[1],
          value: decodeAttr(value, shouldDecodeNewlines)
        };
        if (options.outputSourceRange) {
          attrs[i].start = args.start + args[0].match(/^\s*/).length;
          attrs[i].end = args.end;
        }
      }

      if (!unary) {
        stack.push({ tag: tagName, lowerCasedTag: tagName.toLowerCase(), attrs: attrs, start: match.start, end: match.end });
        lastTag = tagName;
      }

      if (options.start) {
        options.start(tagName, attrs, unary, match.start, match.end);
      }
    }

    function parseEndTag (tagName, start, end) {
      var pos, lowerCasedTagName;
      if (start == null) { start = index; }
      if (end == null) { end = index; }

      // Find the closest opened tag of the same type
      if (tagName) {
        lowerCasedTagName = tagName.toLowerCase();
        for (pos = stack.length - 1; pos >= 0; pos--) {
          if (stack[pos].lowerCasedTag === lowerCasedTagName) {
            break
          }
        }
      } else {
        // If no tag name is provided, clean shop
        pos = 0;
      }

      if (pos >= 0) {
        // Close all the open elements, up the stack
        for (var i = stack.length - 1; i >= pos; i--) {
          if (i > pos || !tagName &&
            options.warn
          ) {
            options.warn(
              ("tag <" + (stack[i].tag) + "> has no matching end tag."),
              { start: stack[i].start, end: stack[i].end }
            );
          }
          if (options.end) {
            options.end(stack[i].tag, start, end);
          }
        }

        // Remove the open elements from the stack
        stack.length = pos;
        lastTag = pos && stack[pos - 1].tag;
      } else if (lowerCasedTagName === 'br') {
        if (options.start) {
          options.start(tagName, [], true, start, end);
        }
      } else if (lowerCasedTagName === 'p') {
        if (options.start) {
          options.start(tagName, [], false, start, end);
        }
        if (options.end) {
          options.end(tagName, start, end);
        }
      }
    }
  }

  /*  */

  var onRE = /^@|^v-on:/;
  var dirRE = /^v-|^@|^:/;
  var forAliasRE = /([\s\S]*?)\s+(?:in|of)\s+([\s\S]*)/;
  var forIteratorRE = /,([^,\}\]]*)(?:,([^,\}\]]*))?$/;
  var stripParensRE = /^\(|\)$/g;
  var dynamicArgRE = /^\[.*\]$/;

  var argRE = /:(.*)$/;
  var bindRE = /^:|^\.|^v-bind:/;
  var modifierRE = /\.[^.\]]+(?=[^\]]*$)/g;

  var slotRE = /^v-slot(:|$)|^#/;

  var lineBreakRE = /[\r\n]/;
  var whitespaceRE$1 = /\s+/g;

  var invalidAttributeRE = /[\s"'<>\/=]/;

  var decodeHTMLCached = cached(he.decode);

  var emptySlotScopeToken = "_empty_";

  // configurable state
  var warn$2;
  var delimiters;
  var transforms;
  var preTransforms;
  var postTransforms;
  var platformIsPreTag;
  var platformMustUseProp;
  var platformGetTagNamespace;
  var maybeComponent;

  function createASTElement (
    tag,
    attrs,
    parent
  ) {
    return {
      type: 1,
      tag: tag,
      attrsList: attrs,
      attrsMap: makeAttrsMap(attrs),
      rawAttrsMap: {},
      parent: parent,
      children: []
    }
  }

  /**
   * Convert HTML string to AST.
   */
  function parse (
    template,
    options
  ) {
    warn$2 = options.warn || baseWarn;

    platformIsPreTag = options.isPreTag || no;
    platformMustUseProp = options.mustUseProp || no;
    platformGetTagNamespace = options.getTagNamespace || no;
    var isReservedTag = options.isReservedTag || no;
    maybeComponent = function (el) { return !!el.component || !isReservedTag(el.tag); };

    transforms = pluckModuleFunction(options.modules, 'transformNode');
    preTransforms = pluckModuleFunction(options.modules, 'preTransformNode');
    postTransforms = pluckModuleFunction(options.modules, 'postTransformNode');

    delimiters = options.delimiters;

    var stack = [];
    var preserveWhitespace = options.preserveWhitespace !== false;
    var whitespaceOption = options.whitespace;
    var root;
    var currentParent;
    var inVPre = false;
    var inPre = false;
    var warned = false;

    function warnOnce (msg, range) {
      if (!warned) {
        warned = true;
        warn$2(msg, range);
      }
    }

    function closeElement (element) {
      trimEndingWhitespace(element);
      if (!inVPre && !element.processed) {
        element = processElement(element, options);
      }
      // tree management
      if (!stack.length && element !== root) {
        // allow root elements with v-if, v-else-if and v-else
        if (root.if && (element.elseif || element.else)) {
          {
            checkRootConstraints(element);
          }
          addIfCondition(root, {
            exp: element.elseif,
            block: element
          });
        } else {
          warnOnce(
            "Component template should contain exactly one root element. " +
            "If you are using v-if on multiple elements, " +
            "use v-else-if to chain them instead.",
            { start: element.start }
          );
        }
      }
      if (currentParent && !element.forbidden) {
        if (element.elseif || element.else) {
          processIfConditions(element, currentParent);
        } else {
          if (element.slotScope) {
            // scoped slot
            // keep it in the children list so that v-else(-if) conditions can
            // find it as the prev node.
            var name = element.slotTarget || '"default"'
            ;(currentParent.scopedSlots || (currentParent.scopedSlots = {}))[name] = element;
          }
          currentParent.children.push(element);
          element.parent = currentParent;
        }
      }

      // final children cleanup
      // filter out scoped slots
      element.children = element.children.filter(function (c) { return !(c).slotScope; });
      // remove trailing whitespace node again
      trimEndingWhitespace(element);

      // check pre state
      if (element.pre) {
        inVPre = false;
      }
      if (platformIsPreTag(element.tag)) {
        inPre = false;
      }
      // apply post-transforms
      for (var i = 0; i < postTransforms.length; i++) {
        postTransforms[i](element, options);
      }
    }

    function trimEndingWhitespace (el) {
      // remove trailing whitespace node
      if (!inPre) {
        var lastNode;
        while (
          (lastNode = el.children[el.children.length - 1]) &&
          lastNode.type === 3 &&
          lastNode.text === ' '
        ) {
          el.children.pop();
        }
      }
    }

    function checkRootConstraints (el) {
      if (el.tag === 'slot' || el.tag === 'template') {
        warnOnce(
          "Cannot use <" + (el.tag) + "> as component root element because it may " +
          'contain multiple nodes.',
          { start: el.start }
        );
      }
      if (el.attrsMap.hasOwnProperty('v-for')) {
        warnOnce(
          'Cannot use v-for on stateful component root element because ' +
          'it renders multiple elements.',
          el.rawAttrsMap['v-for']
        );
      }
    }

    parseHTML(template, {
      warn: warn$2,
      expectHTML: options.expectHTML,
      isUnaryTag: options.isUnaryTag,
      canBeLeftOpenTag: options.canBeLeftOpenTag,
      shouldDecodeNewlines: options.shouldDecodeNewlines,
      shouldDecodeNewlinesForHref: options.shouldDecodeNewlinesForHref,
      shouldKeepComment: options.comments,
      outputSourceRange: options.outputSourceRange,
      start: function start (tag, attrs, unary, start$1, end) {
        // check namespace.
        // inherit parent ns if there is one
        var ns = (currentParent && currentParent.ns) || platformGetTagNamespace(tag);

        // handle IE svg bug
        /* istanbul ignore if */
        if (isIE && ns === 'svg') {
          attrs = guardIESVGBug(attrs);
        }

        var element = createASTElement(tag, attrs, currentParent);
        if (ns) {
          element.ns = ns;
        }

        {
          if (options.outputSourceRange) {
            element.start = start$1;
            element.end = end;
            element.rawAttrsMap = element.attrsList.reduce(function (cumulated, attr) {
              cumulated[attr.name] = attr;
              return cumulated
            }, {});
          }
          attrs.forEach(function (attr) {
            if (invalidAttributeRE.test(attr.name)) {
              warn$2(
                "Invalid dynamic argument expression: attribute names cannot contain " +
                "spaces, quotes, <, >, / or =.",
                {
                  start: attr.start + attr.name.indexOf("["),
                  end: attr.start + attr.name.length
                }
              );
            }
          });
        }

        if (isForbiddenTag(element) && !isServerRendering()) {
          element.forbidden = true;
          warn$2(
            'Templates should only be responsible for mapping the state to the ' +
            'UI. Avoid placing tags with side-effects in your templates, such as ' +
            "<" + tag + ">" + ', as they will not be parsed.',
            { start: element.start }
          );
        }

        // apply pre-transforms
        for (var i = 0; i < preTransforms.length; i++) {
          element = preTransforms[i](element, options) || element;
        }

        if (!inVPre) {
          processPre(element);
          if (element.pre) {
            inVPre = true;
          }
        }
        if (platformIsPreTag(element.tag)) {
          inPre = true;
        }
        if (inVPre) {
          processRawAttrs(element);
        } else if (!element.processed) {
          // structural directives
          processFor(element);
          processIf(element);
          processOnce(element);
        }

        if (!root) {
          root = element;
          {
            checkRootConstraints(root);
          }
        }

        if (!unary) {
          currentParent = element;
          stack.push(element);
        } else {
          closeElement(element);
        }
      },

      end: function end (tag, start, end$1) {
        var element = stack[stack.length - 1];
        // pop stack
        stack.length -= 1;
        currentParent = stack[stack.length - 1];
        if (options.outputSourceRange) {
          element.end = end$1;
        }
        closeElement(element);
      },

      chars: function chars (text, start, end) {
        if (!currentParent) {
          {
            if (text === template) {
              warnOnce(
                'Component template requires a root element, rather than just text.',
                { start: start }
              );
            } else if ((text = text.trim())) {
              warnOnce(
                ("text \"" + text + "\" outside root element will be ignored."),
                { start: start }
              );
            }
          }
          return
        }
        // IE textarea placeholder bug
        /* istanbul ignore if */
        if (isIE &&
          currentParent.tag === 'textarea' &&
          currentParent.attrsMap.placeholder === text
        ) {
          return
        }
        var children = currentParent.children;
        if (inPre || text.trim()) {
          text = isTextTag(currentParent) ? text : decodeHTMLCached(text);
        } else if (!children.length) {
          // remove the whitespace-only node right after an opening tag
          text = '';
        } else if (whitespaceOption) {
          if (whitespaceOption === 'condense') {
            // in condense mode, remove the whitespace node if it contains
            // line break, otherwise condense to a single space
            text = lineBreakRE.test(text) ? '' : ' ';
          } else {
            text = ' ';
          }
        } else {
          text = preserveWhitespace ? ' ' : '';
        }
        if (text) {
          if (!inPre && whitespaceOption === 'condense') {
            // condense consecutive whitespaces into single space
            text = text.replace(whitespaceRE$1, ' ');
          }
          var res;
          var child;
          if (!inVPre && text !== ' ' && (res = parseText(text, delimiters))) {
            child = {
              type: 2,
              expression: res.expression,
              tokens: res.tokens,
              text: text
            };
          } else if (text !== ' ' || !children.length || children[children.length - 1].text !== ' ') {
            child = {
              type: 3,
              text: text
            };
          }
          if (child) {
            if (options.outputSourceRange) {
              child.start = start;
              child.end = end;
            }
            children.push(child);
          }
        }
      },
      comment: function comment (text, start, end) {
        // adding anyting as a sibling to the root node is forbidden
        // comments should still be allowed, but ignored
        if (currentParent) {
          var child = {
            type: 3,
            text: text,
            isComment: true
          };
          if (options.outputSourceRange) {
            child.start = start;
            child.end = end;
          }
          currentParent.children.push(child);
        }
      }
    });
    return root
  }

  function processPre (el) {
    if (getAndRemoveAttr(el, 'v-pre') != null) {
      el.pre = true;
    }
  }

  function processRawAttrs (el) {
    var list = el.attrsList;
    var len = list.length;
    if (len) {
      var attrs = el.attrs = new Array(len);
      for (var i = 0; i < len; i++) {
        attrs[i] = {
          name: list[i].name,
          value: JSON.stringify(list[i].value)
        };
        if (list[i].start != null) {
          attrs[i].start = list[i].start;
          attrs[i].end = list[i].end;
        }
      }
    } else if (!el.pre) {
      // non root node in pre blocks with no attributes
      el.plain = true;
    }
  }

  function processElement (
    element,
    options
  ) {
    processKey(element);

    // determine whether this is a plain element after
    // removing structural attributes
    element.plain = (
      !element.key &&
      !element.scopedSlots &&
      !element.attrsList.length
    );

    processRef(element);
    processSlotContent(element);
    processSlotOutlet(element);
    processComponent(element);
    for (var i = 0; i < transforms.length; i++) {
      element = transforms[i](element, options) || element;
    }
    processAttrs(element);
    return element
  }

  function processKey (el) {
    var exp = getBindingAttr(el, 'key');
    if (exp) {
      {
        if (el.tag === 'template') {
          warn$2(
            "<template> cannot be keyed. Place the key on real elements instead.",
            getRawBindingAttr(el, 'key')
          );
        }
        if (el.for) {
          var iterator = el.iterator2 || el.iterator1;
          var parent = el.parent;
          if (iterator && iterator === exp && parent && parent.tag === 'transition-group') {
            warn$2(
              "Do not use v-for index as key on <transition-group> children, " +
              "this is the same as not using keys.",
              getRawBindingAttr(el, 'key'),
              true /* tip */
            );
          }
        }
      }
      el.key = exp;
    }
  }

  function processRef (el) {
    var ref = getBindingAttr(el, 'ref');
    if (ref) {
      el.ref = ref;
      el.refInFor = checkInFor(el);
    }
  }

  function processFor (el) {
    var exp;
    if ((exp = getAndRemoveAttr(el, 'v-for'))) {
      var res = parseFor(exp);
      if (res) {
        extend(el, res);
      } else {
        warn$2(
          ("Invalid v-for expression: " + exp),
          el.rawAttrsMap['v-for']
        );
      }
    }
  }



  function parseFor (exp) {
    var inMatch = exp.match(forAliasRE);
    if (!inMatch) { return }
    var res = {};
    res.for = inMatch[2].trim();
    var alias = inMatch[1].trim().replace(stripParensRE, '');
    var iteratorMatch = alias.match(forIteratorRE);
    if (iteratorMatch) {
      res.alias = alias.replace(forIteratorRE, '').trim();
      res.iterator1 = iteratorMatch[1].trim();
      if (iteratorMatch[2]) {
        res.iterator2 = iteratorMatch[2].trim();
      }
    } else {
      res.alias = alias;
    }
    return res
  }

  function processIf (el) {
    var exp = getAndRemoveAttr(el, 'v-if');
    if (exp) {
      el.if = exp;
      addIfCondition(el, {
        exp: exp,
        block: el
      });
    } else {
      if (getAndRemoveAttr(el, 'v-else') != null) {
        el.else = true;
      }
      var elseif = getAndRemoveAttr(el, 'v-else-if');
      if (elseif) {
        el.elseif = elseif;
      }
    }
  }

  function processIfConditions (el, parent) {
    var prev = findPrevElement(parent.children);
    if (prev && prev.if) {
      addIfCondition(prev, {
        exp: el.elseif,
        block: el
      });
    } else {
      warn$2(
        "v-" + (el.elseif ? ('else-if="' + el.elseif + '"') : 'else') + " " +
        "used on element <" + (el.tag) + "> without corresponding v-if.",
        el.rawAttrsMap[el.elseif ? 'v-else-if' : 'v-else']
      );
    }
  }

  function findPrevElement (children) {
    var i = children.length;
    while (i--) {
      if (children[i].type === 1) {
        return children[i]
      } else {
        if (children[i].text !== ' ') {
          warn$2(
            "text \"" + (children[i].text.trim()) + "\" between v-if and v-else(-if) " +
            "will be ignored.",
            children[i]
          );
        }
        children.pop();
      }
    }
  }

  function addIfCondition (el, condition) {
    if (!el.ifConditions) {
      el.ifConditions = [];
    }
    el.ifConditions.push(condition);
  }

  function processOnce (el) {
    var once$$1 = getAndRemoveAttr(el, 'v-once');
    if (once$$1 != null) {
      el.once = true;
    }
  }

  // handle content being passed to a component as slot,
  // e.g. <template slot="xxx">, <div slot-scope="xxx">
  function processSlotContent (el) {
    var slotScope;
    if (el.tag === 'template') {
      slotScope = getAndRemoveAttr(el, 'scope');
      /* istanbul ignore if */
      if (slotScope) {
        warn$2(
          "the \"scope\" attribute for scoped slots have been deprecated and " +
          "replaced by \"slot-scope\" since 2.5. The new \"slot-scope\" attribute " +
          "can also be used on plain elements in addition to <template> to " +
          "denote scoped slots.",
          el.rawAttrsMap['scope'],
          true
        );
      }
      el.slotScope = slotScope || getAndRemoveAttr(el, 'slot-scope');
    } else if ((slotScope = getAndRemoveAttr(el, 'slot-scope'))) {
      /* istanbul ignore if */
      if (el.attrsMap['v-for']) {
        warn$2(
          "Ambiguous combined usage of slot-scope and v-for on <" + (el.tag) + "> " +
          "(v-for takes higher priority). Use a wrapper <template> for the " +
          "scoped slot to make it clearer.",
          el.rawAttrsMap['slot-scope'],
          true
        );
      }
      el.slotScope = slotScope;
    }

    // slot="xxx"
    var slotTarget = getBindingAttr(el, 'slot');
    if (slotTarget) {
      el.slotTarget = slotTarget === '""' ? '"default"' : slotTarget;
      el.slotTargetDynamic = !!(el.attrsMap[':slot'] || el.attrsMap['v-bind:slot']);
      // preserve slot as an attribute for native shadow DOM compat
      // only for non-scoped slots.
      if (el.tag !== 'template' && !el.slotScope) {
        addAttr(el, 'slot', slotTarget, getRawBindingAttr(el, 'slot'));
      }
    }

    // 2.6 v-slot syntax
    {
      if (el.tag === 'template') {
        // v-slot on <template>
        var slotBinding = getAndRemoveAttrByRegex(el, slotRE);
        if (slotBinding) {
          {
            if (el.slotTarget || el.slotScope) {
              warn$2(
                "Unexpected mixed usage of different slot syntaxes.",
                el
              );
            }
            if (el.parent && !maybeComponent(el.parent)) {
              warn$2(
                "<template v-slot> can only appear at the root level inside " +
                "the receiving the component",
                el
              );
            }
          }
          var ref = getSlotName(slotBinding);
          var name = ref.name;
          var dynamic = ref.dynamic;
          el.slotTarget = name;
          el.slotTargetDynamic = dynamic;
          el.slotScope = slotBinding.value || emptySlotScopeToken; // force it into a scoped slot for perf
        }
      } else {
        // v-slot on component, denotes default slot
        var slotBinding$1 = getAndRemoveAttrByRegex(el, slotRE);
        if (slotBinding$1) {
          {
            if (!maybeComponent(el)) {
              warn$2(
                "v-slot can only be used on components or <template>.",
                slotBinding$1
              );
            }
            if (el.slotScope || el.slotTarget) {
              warn$2(
                "Unexpected mixed usage of different slot syntaxes.",
                el
              );
            }
            if (el.scopedSlots) {
              warn$2(
                "To avoid scope ambiguity, the default slot should also use " +
                "<template> syntax when there are other named slots.",
                slotBinding$1
              );
            }
          }
          // add the component's children to its default slot
          var slots = el.scopedSlots || (el.scopedSlots = {});
          var ref$1 = getSlotName(slotBinding$1);
          var name$1 = ref$1.name;
          var dynamic$1 = ref$1.dynamic;
          var slotContainer = slots[name$1] = createASTElement('template', [], el);
          slotContainer.slotTarget = name$1;
          slotContainer.slotTargetDynamic = dynamic$1;
          slotContainer.children = el.children.filter(function (c) {
            if (!c.slotScope) {
              c.parent = slotContainer;
              return true
            }
          });
          slotContainer.slotScope = slotBinding$1.value || emptySlotScopeToken;
          // remove children as they are returned from scopedSlots now
          el.children = [];
          // mark el non-plain so data gets generated
          el.plain = false;
        }
      }
    }
  }

  function getSlotName (binding) {
    var name = binding.name.replace(slotRE, '');
    if (!name) {
      if (binding.name[0] !== '#') {
        name = 'default';
      } else {
        warn$2(
          "v-slot shorthand syntax requires a slot name.",
          binding
        );
      }
    }
    return dynamicArgRE.test(name)
      // dynamic [name]
      ? { name: name.slice(1, -1), dynamic: true }
      // static name
      : { name: ("\"" + name + "\""), dynamic: false }
  }

  // handle <slot/> outlets
  function processSlotOutlet (el) {
    if (el.tag === 'slot') {
      el.slotName = getBindingAttr(el, 'name');
      if (el.key) {
        warn$2(
          "`key` does not work on <slot> because slots are abstract outlets " +
          "and can possibly expand into multiple elements. " +
          "Use the key on a wrapping element instead.",
          getRawBindingAttr(el, 'key')
        );
      }
    }
  }

  function processComponent (el) {
    var binding;
    if ((binding = getBindingAttr(el, 'is'))) {
      el.component = binding;
    }
    if (getAndRemoveAttr(el, 'inline-template') != null) {
      el.inlineTemplate = true;
    }
  }

  function processAttrs (el) {
    var list = el.attrsList;
    var i, l, name, rawName, value, modifiers, syncGen, isDynamic;
    for (i = 0, l = list.length; i < l; i++) {
      name = rawName = list[i].name;
      value = list[i].value;
      if (dirRE.test(name)) {
        // mark element as dynamic
        el.hasBindings = true;
        // modifiers
        modifiers = parseModifiers(name.replace(dirRE, ''));
        // support .foo shorthand syntax for the .prop modifier
        if (modifiers) {
          name = name.replace(modifierRE, '');
        }
        if (bindRE.test(name)) { // v-bind
          name = name.replace(bindRE, '');
          value = parseFilters(value);
          isDynamic = dynamicArgRE.test(name);
          if (isDynamic) {
            name = name.slice(1, -1);
          }
          if (
            value.trim().length === 0
          ) {
            warn$2(
              ("The value for a v-bind expression cannot be empty. Found in \"v-bind:" + name + "\"")
            );
          }
          if (modifiers) {
            if (modifiers.prop && !isDynamic) {
              name = camelize(name);
              if (name === 'innerHtml') { name = 'innerHTML'; }
            }
            if (modifiers.camel && !isDynamic) {
              name = camelize(name);
            }
            if (modifiers.sync) {
              syncGen = genAssignmentCode(value, "$event");
              if (!isDynamic) {
                addHandler(
                  el,
                  ("update:" + (camelize(name))),
                  syncGen,
                  null,
                  false,
                  warn$2,
                  list[i]
                );
                if (hyphenate(name) !== camelize(name)) {
                  addHandler(
                    el,
                    ("update:" + (hyphenate(name))),
                    syncGen,
                    null,
                    false,
                    warn$2,
                    list[i]
                  );
                }
              } else {
                // handler w/ dynamic event name
                addHandler(
                  el,
                  ("\"update:\"+(" + name + ")"),
                  syncGen,
                  null,
                  false,
                  warn$2,
                  list[i],
                  true // dynamic
                );
              }
            }
          }
          if ((modifiers && modifiers.prop) || (
            !el.component && platformMustUseProp(el.tag, el.attrsMap.type, name)
          )) {
            addProp(el, name, value, list[i], isDynamic);
          } else {
            addAttr(el, name, value, list[i], isDynamic);
          }
        } else if (onRE.test(name)) { // v-on
          name = name.replace(onRE, '');
          isDynamic = dynamicArgRE.test(name);
          if (isDynamic) {
            name = name.slice(1, -1);
          }
          addHandler(el, name, value, modifiers, false, warn$2, list[i], isDynamic);
        } else { // normal directives
          name = name.replace(dirRE, '');
          // parse arg
          var argMatch = name.match(argRE);
          var arg = argMatch && argMatch[1];
          isDynamic = false;
          if (arg) {
            name = name.slice(0, -(arg.length + 1));
            if (dynamicArgRE.test(arg)) {
              arg = arg.slice(1, -1);
              isDynamic = true;
            }
          }
          addDirective(el, name, rawName, value, arg, isDynamic, modifiers, list[i]);
          if (name === 'model') {
            checkForAliasModel(el, value);
          }
        }
      } else {
        // literal attribute
        {
          var res = parseText(value, delimiters);
          if (res) {
            warn$2(
              name + "=\"" + value + "\": " +
              'Interpolation inside attributes has been removed. ' +
              'Use v-bind or the colon shorthand instead. For example, ' +
              'instead of <div id="{{ val }}">, use <div :id="val">.',
              list[i]
            );
          }
        }
        addAttr(el, name, JSON.stringify(value), list[i]);
        // #6887 firefox doesn't update muted state if set via attribute
        // even immediately after element creation
        if (!el.component &&
            name === 'muted' &&
            platformMustUseProp(el.tag, el.attrsMap.type, name)) {
          addProp(el, name, 'true', list[i]);
        }
      }
    }
  }

  function checkInFor (el) {
    var parent = el;
    while (parent) {
      if (parent.for !== undefined) {
        return true
      }
      parent = parent.parent;
    }
    return false
  }

  function parseModifiers (name) {
    var match = name.match(modifierRE);
    if (match) {
      var ret = {};
      match.forEach(function (m) { ret[m.slice(1)] = true; });
      return ret
    }
  }

  function makeAttrsMap (attrs) {
    var map = {};
    for (var i = 0, l = attrs.length; i < l; i++) {
      if (
        map[attrs[i].name] && !isIE && !isEdge
      ) {
        warn$2('duplicate attribute: ' + attrs[i].name, attrs[i]);
      }
      map[attrs[i].name] = attrs[i].value;
    }
    return map
  }

  // for script (e.g. type="x/template") or style, do not decode content
  function isTextTag (el) {
    return el.tag === 'script' || el.tag === 'style'
  }

  function isForbiddenTag (el) {
    return (
      el.tag === 'style' ||
      (el.tag === 'script' && (
        !el.attrsMap.type ||
        el.attrsMap.type === 'text/javascript'
      ))
    )
  }

  var ieNSBug = /^xmlns:NS\d+/;
  var ieNSPrefix = /^NS\d+:/;

  /* istanbul ignore next */
  function guardIESVGBug (attrs) {
    var res = [];
    for (var i = 0; i < attrs.length; i++) {
      var attr = attrs[i];
      if (!ieNSBug.test(attr.name)) {
        attr.name = attr.name.replace(ieNSPrefix, '');
        res.push(attr);
      }
    }
    return res
  }

  function checkForAliasModel (el, value) {
    var _el = el;
    while (_el) {
      if (_el.for && _el.alias === value) {
        warn$2(
          "<" + (el.tag) + " v-model=\"" + value + "\">: " +
          "You are binding v-model directly to a v-for iteration alias. " +
          "This will not be able to modify the v-for source array because " +
          "writing to the alias is like modifying a function local variable. " +
          "Consider using an array of objects and use v-model on an object property instead.",
          el.rawAttrsMap['v-model']
        );
      }
      _el = _el.parent;
    }
  }

  /*  */

  function preTransformNode (el, options) {
    if (el.tag === 'input') {
      var map = el.attrsMap;
      if (!map['v-model']) {
        return
      }

      var typeBinding;
      if (map[':type'] || map['v-bind:type']) {
        typeBinding = getBindingAttr(el, 'type');
      }
      if (!map.type && !typeBinding && map['v-bind']) {
        typeBinding = "(" + (map['v-bind']) + ").type";
      }

      if (typeBinding) {
        var ifCondition = getAndRemoveAttr(el, 'v-if', true);
        var ifConditionExtra = ifCondition ? ("&&(" + ifCondition + ")") : "";
        var hasElse = getAndRemoveAttr(el, 'v-else', true) != null;
        var elseIfCondition = getAndRemoveAttr(el, 'v-else-if', true);
        // 1. checkbox
        var branch0 = cloneASTElement(el);
        // process for on the main node
        processFor(branch0);
        addRawAttr(branch0, 'type', 'checkbox');
        processElement(branch0, options);
        branch0.processed = true; // prevent it from double-processed
        branch0.if = "(" + typeBinding + ")==='checkbox'" + ifConditionExtra;
        addIfCondition(branch0, {
          exp: branch0.if,
          block: branch0
        });
        // 2. add radio else-if condition
        var branch1 = cloneASTElement(el);
        getAndRemoveAttr(branch1, 'v-for', true);
        addRawAttr(branch1, 'type', 'radio');
        processElement(branch1, options);
        addIfCondition(branch0, {
          exp: "(" + typeBinding + ")==='radio'" + ifConditionExtra,
          block: branch1
        });
        // 3. other
        var branch2 = cloneASTElement(el);
        getAndRemoveAttr(branch2, 'v-for', true);
        addRawAttr(branch2, ':type', typeBinding);
        processElement(branch2, options);
        addIfCondition(branch0, {
          exp: ifCondition,
          block: branch2
        });

        if (hasElse) {
          branch0.else = true;
        } else if (elseIfCondition) {
          branch0.elseif = elseIfCondition;
        }

        return branch0
      }
    }
  }

  function cloneASTElement (el) {
    return createASTElement(el.tag, el.attrsList.slice(), el.parent)
  }

  var model$1 = {
    preTransformNode: preTransformNode
  };

  var modules$1 = [
    klass$1,
    style$1,
    model$1
  ];

  /*  */

  function text (el, dir) {
    if (dir.value) {
      addProp(el, 'textContent', ("_s(" + (dir.value) + ")"), dir);
    }
  }

  /*  */

  function html (el, dir) {
    if (dir.value) {
      addProp(el, 'innerHTML', ("_s(" + (dir.value) + ")"), dir);
    }
  }

  var directives$1 = {
    model: model,
    text: text,
    html: html
  };

  /*  */

  var baseOptions = {
    expectHTML: true,
    modules: modules$1,
    directives: directives$1,
    isPreTag: isPreTag,
    isUnaryTag: isUnaryTag,
    mustUseProp: mustUseProp,
    canBeLeftOpenTag: canBeLeftOpenTag,
    isReservedTag: isReservedTag,
    getTagNamespace: getTagNamespace,
    staticKeys: genStaticKeys(modules$1)
  };

  /*  */

  var isStaticKey;
  var isPlatformReservedTag;

  var genStaticKeysCached = cached(genStaticKeys$1);

  /**
   * Goal of the optimizer: walk the generated template AST tree
   * and detect sub-trees that are purely static, i.e. parts of
   * the DOM that never needs to change.
   *
   * Once we detect these sub-trees, we can:
   *
   * 1. Hoist them into constants, so that we no longer need to
   *    create fresh nodes for them on each re-render;
   * 2. Completely skip them in the patching process.
   */
  function optimize (root, options) {
    if (!root) { return }
    isStaticKey = genStaticKeysCached(options.staticKeys || '');
    isPlatformReservedTag = options.isReservedTag || no;
    // first pass: mark all non-static nodes.
    markStatic$1(root);
    // second pass: mark static roots.
    markStaticRoots(root, false);
  }

  function genStaticKeys$1 (keys) {
    return makeMap(
      'type,tag,attrsList,attrsMap,plain,parent,children,attrs,start,end,rawAttrsMap' +
      (keys ? ',' + keys : '')
    )
  }

  function markStatic$1 (node) {
    node.static = isStatic(node);
    if (node.type === 1) {
      // do not make component slot content static. this avoids
      // 1. components not able to mutate slot nodes
      // 2. static slot content fails for hot-reloading
      if (
        !isPlatformReservedTag(node.tag) &&
        node.tag !== 'slot' &&
        node.attrsMap['inline-template'] == null
      ) {
        return
      }
      for (var i = 0, l = node.children.length; i < l; i++) {
        var child = node.children[i];
        markStatic$1(child);
        if (!child.static) {
          node.static = false;
        }
      }
      if (node.ifConditions) {
        for (var i$1 = 1, l$1 = node.ifConditions.length; i$1 < l$1; i$1++) {
          var block = node.ifConditions[i$1].block;
          markStatic$1(block);
          if (!block.static) {
            node.static = false;
          }
        }
      }
    }
  }

  function markStaticRoots (node, isInFor) {
    if (node.type === 1) {
      if (node.static || node.once) {
        node.staticInFor = isInFor;
      }
      // For a node to qualify as a static root, it should have children that
      // are not just static text. Otherwise the cost of hoisting out will
      // outweigh the benefits and it's better off to just always render it fresh.
      if (node.static && node.children.length && !(
        node.children.length === 1 &&
        node.children[0].type === 3
      )) {
        node.staticRoot = true;
        return
      } else {
        node.staticRoot = false;
      }
      if (node.children) {
        for (var i = 0, l = node.children.length; i < l; i++) {
          markStaticRoots(node.children[i], isInFor || !!node.for);
        }
      }
      if (node.ifConditions) {
        for (var i$1 = 1, l$1 = node.ifConditions.length; i$1 < l$1; i$1++) {
          markStaticRoots(node.ifConditions[i$1].block, isInFor);
        }
      }
    }
  }

  function isStatic (node) {
    if (node.type === 2) { // expression
      return false
    }
    if (node.type === 3) { // text
      return true
    }
    return !!(node.pre || (
      !node.hasBindings && // no dynamic bindings
      !node.if && !node.for && // not v-if or v-for or v-else
      !isBuiltInTag(node.tag) && // not a built-in
      isPlatformReservedTag(node.tag) && // not a component
      !isDirectChildOfTemplateFor(node) &&
      Object.keys(node).every(isStaticKey)
    ))
  }

  function isDirectChildOfTemplateFor (node) {
    while (node.parent) {
      node = node.parent;
      if (node.tag !== 'template') {
        return false
      }
      if (node.for) {
        return true
      }
    }
    return false
  }

  /*  */

  var fnExpRE = /^([\w$_]+|\([^)]*?\))\s*=>|^function\s*(?:[\w$]+)?\s*\(/;
  var fnInvokeRE = /\([^)]*?\);*$/;
  var simplePathRE = /^[A-Za-z_$][\w$]*(?:\.[A-Za-z_$][\w$]*|\['[^']*?']|\["[^"]*?"]|\[\d+]|\[[A-Za-z_$][\w$]*])*$/;

  // KeyboardEvent.keyCode aliases
  var keyCodes = {
    esc: 27,
    tab: 9,
    enter: 13,
    space: 32,
    up: 38,
    left: 37,
    right: 39,
    down: 40,
    'delete': [8, 46]
  };

  // KeyboardEvent.key aliases
  var keyNames = {
    // #7880: IE11 and Edge use `Esc` for Escape key name.
    esc: ['Esc', 'Escape'],
    tab: 'Tab',
    enter: 'Enter',
    // #9112: IE11 uses `Spacebar` for Space key name.
    space: [' ', 'Spacebar'],
    // #7806: IE11 uses key names without `Arrow` prefix for arrow keys.
    up: ['Up', 'ArrowUp'],
    left: ['Left', 'ArrowLeft'],
    right: ['Right', 'ArrowRight'],
    down: ['Down', 'ArrowDown'],
    // #9112: IE11 uses `Del` for Delete key name.
    'delete': ['Backspace', 'Delete', 'Del']
  };

  // #4868: modifiers that prevent the execution of the listener
  // need to explicitly return null so that we can determine whether to remove
  // the listener for .once
  var genGuard = function (condition) { return ("if(" + condition + ")return null;"); };

  var modifierCode = {
    stop: '$event.stopPropagation();',
    prevent: '$event.preventDefault();',
    self: genGuard("$event.target !== $event.currentTarget"),
    ctrl: genGuard("!$event.ctrlKey"),
    shift: genGuard("!$event.shiftKey"),
    alt: genGuard("!$event.altKey"),
    meta: genGuard("!$event.metaKey"),
    left: genGuard("'button' in $event && $event.button !== 0"),
    middle: genGuard("'button' in $event && $event.button !== 1"),
    right: genGuard("'button' in $event && $event.button !== 2")
  };

  function genHandlers (
    events,
    isNative
  ) {
    var prefix = isNative ? 'nativeOn:' : 'on:';
    var staticHandlers = "";
    var dynamicHandlers = "";
    for (var name in events) {
      var handlerCode = genHandler(events[name]);
      if (events[name] && events[name].dynamic) {
        dynamicHandlers += name + "," + handlerCode + ",";
      } else {
        staticHandlers += "\"" + name + "\":" + handlerCode + ",";
      }
    }
    staticHandlers = "{" + (staticHandlers.slice(0, -1)) + "}";
    if (dynamicHandlers) {
      return prefix + "_d(" + staticHandlers + ",[" + (dynamicHandlers.slice(0, -1)) + "])"
    } else {
      return prefix + staticHandlers
    }
  }

  function genHandler (handler) {
    if (!handler) {
      return 'function(){}'
    }

    if (Array.isArray(handler)) {
      return ("[" + (handler.map(function (handler) { return genHandler(handler); }).join(',')) + "]")
    }

    var isMethodPath = simplePathRE.test(handler.value);
    var isFunctionExpression = fnExpRE.test(handler.value);
    var isFunctionInvocation = simplePathRE.test(handler.value.replace(fnInvokeRE, ''));

    if (!handler.modifiers) {
      if (isMethodPath || isFunctionExpression) {
        return handler.value
      }
      return ("function($event){" + (isFunctionInvocation ? ("return " + (handler.value)) : handler.value) + "}") // inline statement
    } else {
      var code = '';
      var genModifierCode = '';
      var keys = [];
      for (var key in handler.modifiers) {
        if (modifierCode[key]) {
          genModifierCode += modifierCode[key];
          // left/right
          if (keyCodes[key]) {
            keys.push(key);
          }
        } else if (key === 'exact') {
          var modifiers = (handler.modifiers);
          genModifierCode += genGuard(
            ['ctrl', 'shift', 'alt', 'meta']
              .filter(function (keyModifier) { return !modifiers[keyModifier]; })
              .map(function (keyModifier) { return ("$event." + keyModifier + "Key"); })
              .join('||')
          );
        } else {
          keys.push(key);
        }
      }
      if (keys.length) {
        code += genKeyFilter(keys);
      }
      // Make sure modifiers like prevent and stop get executed after key filtering
      if (genModifierCode) {
        code += genModifierCode;
      }
      var handlerCode = isMethodPath
        ? ("return " + (handler.value) + "($event)")
        : isFunctionExpression
          ? ("return (" + (handler.value) + ")($event)")
          : isFunctionInvocation
            ? ("return " + (handler.value))
            : handler.value;
      return ("function($event){" + code + handlerCode + "}")
    }
  }

  function genKeyFilter (keys) {
    return (
      // make sure the key filters only apply to KeyboardEvents
      // #9441: can't use 'keyCode' in $event because Chrome autofill fires fake
      // key events that do not have keyCode property...
      "if(!$event.type.indexOf('key')&&" +
      (keys.map(genFilterCode).join('&&')) + ")return null;"
    )
  }

  function genFilterCode (key) {
    var keyVal = parseInt(key, 10);
    if (keyVal) {
      return ("$event.keyCode!==" + keyVal)
    }
    var keyCode = keyCodes[key];
    var keyName = keyNames[key];
    return (
      "_k($event.keyCode," +
      (JSON.stringify(key)) + "," +
      (JSON.stringify(keyCode)) + "," +
      "$event.key," +
      "" + (JSON.stringify(keyName)) +
      ")"
    )
  }

  /*  */

  function on (el, dir) {
    if (dir.modifiers) {
      warn("v-on without argument does not support modifiers.");
    }
    el.wrapListeners = function (code) { return ("_g(" + code + "," + (dir.value) + ")"); };
  }

  /*  */

  function bind$1 (el, dir) {
    el.wrapData = function (code) {
      return ("_b(" + code + ",'" + (el.tag) + "'," + (dir.value) + "," + (dir.modifiers && dir.modifiers.prop ? 'true' : 'false') + (dir.modifiers && dir.modifiers.sync ? ',true' : '') + ")")
    };
  }

  /*  */

  var baseDirectives = {
    on: on,
    bind: bind$1,
    cloak: noop
  };

  /*  */





  var CodegenState = function CodegenState (options) {
    this.options = options;
    this.warn = options.warn || baseWarn;
    this.transforms = pluckModuleFunction(options.modules, 'transformCode');
    this.dataGenFns = pluckModuleFunction(options.modules, 'genData');
    this.directives = extend(extend({}, baseDirectives), options.directives);
    var isReservedTag = options.isReservedTag || no;
    this.maybeComponent = function (el) { return !!el.component || !isReservedTag(el.tag); };
    this.onceId = 0;
    this.staticRenderFns = [];
    this.pre = false;
  };



  function generate (
    ast,
    options
  ) {
    var state = new CodegenState(options);
    var code = ast ? genElement(ast, state) : '_c("div")';
    return {
      render: ("with(this){return " + code + "}"),
      staticRenderFns: state.staticRenderFns
    }
  }

  function genElement (el, state) {
    if (el.parent) {
      el.pre = el.pre || el.parent.pre;
    }

    if (el.staticRoot && !el.staticProcessed) {
      return genStatic(el, state)
    } else if (el.once && !el.onceProcessed) {
      return genOnce(el, state)
    } else if (el.for && !el.forProcessed) {
      return genFor(el, state)
    } else if (el.if && !el.ifProcessed) {
      return genIf(el, state)
    } else if (el.tag === 'template' && !el.slotTarget && !state.pre) {
      return genChildren(el, state) || 'void 0'
    } else if (el.tag === 'slot') {
      return genSlot(el, state)
    } else {
      // component or element
      var code;
      if (el.component) {
        code = genComponent(el.component, el, state);
      } else {
        var data;
        if (!el.plain || (el.pre && state.maybeComponent(el))) {
          data = genData$2(el, state);
        }

        var children = el.inlineTemplate ? null : genChildren(el, state, true);
        code = "_c('" + (el.tag) + "'" + (data ? ("," + data) : '') + (children ? ("," + children) : '') + ")";
      }
      // module transforms
      for (var i = 0; i < state.transforms.length; i++) {
        code = state.transforms[i](el, code);
      }
      return code
    }
  }

  // hoist static sub-trees out
  function genStatic (el, state) {
    el.staticProcessed = true;
    // Some elements (templates) need to behave differently inside of a v-pre
    // node.  All pre nodes are static roots, so we can use this as a location to
    // wrap a state change and reset it upon exiting the pre node.
    var originalPreState = state.pre;
    if (el.pre) {
      state.pre = el.pre;
    }
    state.staticRenderFns.push(("with(this){return " + (genElement(el, state)) + "}"));
    state.pre = originalPreState;
    return ("_m(" + (state.staticRenderFns.length - 1) + (el.staticInFor ? ',true' : '') + ")")
  }

  // v-once
  function genOnce (el, state) {
    el.onceProcessed = true;
    if (el.if && !el.ifProcessed) {
      return genIf(el, state)
    } else if (el.staticInFor) {
      var key = '';
      var parent = el.parent;
      while (parent) {
        if (parent.for) {
          key = parent.key;
          break
        }
        parent = parent.parent;
      }
      if (!key) {
        state.warn(
          "v-once can only be used inside v-for that is keyed. ",
          el.rawAttrsMap['v-once']
        );
        return genElement(el, state)
      }
      return ("_o(" + (genElement(el, state)) + "," + (state.onceId++) + "," + key + ")")
    } else {
      return genStatic(el, state)
    }
  }

  function genIf (
    el,
    state,
    altGen,
    altEmpty
  ) {
    el.ifProcessed = true; // avoid recursion
    return genIfConditions(el.ifConditions.slice(), state, altGen, altEmpty)
  }

  function genIfConditions (
    conditions,
    state,
    altGen,
    altEmpty
  ) {
    if (!conditions.length) {
      return altEmpty || '_e()'
    }

    var condition = conditions.shift();
    if (condition.exp) {
      return ("(" + (condition.exp) + ")?" + (genTernaryExp(condition.block)) + ":" + (genIfConditions(conditions, state, altGen, altEmpty)))
    } else {
      return ("" + (genTernaryExp(condition.block)))
    }

    // v-if with v-once should generate code like (a)?_m(0):_m(1)
    function genTernaryExp (el) {
      return altGen
        ? altGen(el, state)
        : el.once
          ? genOnce(el, state)
          : genElement(el, state)
    }
  }

  function genFor (
    el,
    state,
    altGen,
    altHelper
  ) {
    var exp = el.for;
    var alias = el.alias;
    var iterator1 = el.iterator1 ? ("," + (el.iterator1)) : '';
    var iterator2 = el.iterator2 ? ("," + (el.iterator2)) : '';

    if (state.maybeComponent(el) &&
      el.tag !== 'slot' &&
      el.tag !== 'template' &&
      !el.key
    ) {
      state.warn(
        "<" + (el.tag) + " v-for=\"" + alias + " in " + exp + "\">: component lists rendered with " +
        "v-for should have explicit keys. " +
        "See https://vuejs.org/guide/list.html#key for more info.",
        el.rawAttrsMap['v-for'],
        true /* tip */
      );
    }

    el.forProcessed = true; // avoid recursion
    return (altHelper || '_l') + "((" + exp + ")," +
      "function(" + alias + iterator1 + iterator2 + "){" +
        "return " + ((altGen || genElement)(el, state)) +
      '})'
  }

  function genData$2 (el, state) {
    var data = '{';

    // directives first.
    // directives may mutate the el's other properties before they are generated.
    var dirs = genDirectives(el, state);
    if (dirs) { data += dirs + ','; }

    // key
    if (el.key) {
      data += "key:" + (el.key) + ",";
    }
    // ref
    if (el.ref) {
      data += "ref:" + (el.ref) + ",";
    }
    if (el.refInFor) {
      data += "refInFor:true,";
    }
    // pre
    if (el.pre) {
      data += "pre:true,";
    }
    // record original tag name for components using "is" attribute
    if (el.component) {
      data += "tag:\"" + (el.tag) + "\",";
    }
    // module data generation functions
    for (var i = 0; i < state.dataGenFns.length; i++) {
      data += state.dataGenFns[i](el);
    }
    // attributes
    if (el.attrs) {
      data += "attrs:" + (genProps(el.attrs)) + ",";
    }
    // DOM props
    if (el.props) {
      data += "domProps:" + (genProps(el.props)) + ",";
    }
    // event handlers
    if (el.events) {
      data += (genHandlers(el.events, false)) + ",";
    }
    if (el.nativeEvents) {
      data += (genHandlers(el.nativeEvents, true)) + ",";
    }
    // slot target
    // only for non-scoped slots
    if (el.slotTarget && !el.slotScope) {
      data += "slot:" + (el.slotTarget) + ",";
    }
    // scoped slots
    if (el.scopedSlots) {
      data += (genScopedSlots(el, el.scopedSlots, state)) + ",";
    }
    // component v-model
    if (el.model) {
      data += "model:{value:" + (el.model.value) + ",callback:" + (el.model.callback) + ",expression:" + (el.model.expression) + "},";
    }
    // inline-template
    if (el.inlineTemplate) {
      var inlineTemplate = genInlineTemplate(el, state);
      if (inlineTemplate) {
        data += inlineTemplate + ",";
      }
    }
    data = data.replace(/,$/, '') + '}';
    // v-bind dynamic argument wrap
    // v-bind with dynamic arguments must be applied using the same v-bind object
    // merge helper so that class/style/mustUseProp attrs are handled correctly.
    if (el.dynamicAttrs) {
      data = "_b(" + data + ",\"" + (el.tag) + "\"," + (genProps(el.dynamicAttrs)) + ")";
    }
    // v-bind data wrap
    if (el.wrapData) {
      data = el.wrapData(data);
    }
    // v-on data wrap
    if (el.wrapListeners) {
      data = el.wrapListeners(data);
    }
    return data
  }

  function genDirectives (el, state) {
    var dirs = el.directives;
    if (!dirs) { return }
    var res = 'directives:[';
    var hasRuntime = false;
    var i, l, dir, needRuntime;
    for (i = 0, l = dirs.length; i < l; i++) {
      dir = dirs[i];
      needRuntime = true;
      var gen = state.directives[dir.name];
      if (gen) {
        // compile-time directive that manipulates AST.
        // returns true if it also needs a runtime counterpart.
        needRuntime = !!gen(el, dir, state.warn);
      }
      if (needRuntime) {
        hasRuntime = true;
        res += "{name:\"" + (dir.name) + "\",rawName:\"" + (dir.rawName) + "\"" + (dir.value ? (",value:(" + (dir.value) + "),expression:" + (JSON.stringify(dir.value))) : '') + (dir.arg ? (",arg:" + (dir.isDynamicArg ? dir.arg : ("\"" + (dir.arg) + "\""))) : '') + (dir.modifiers ? (",modifiers:" + (JSON.stringify(dir.modifiers))) : '') + "},";
      }
    }
    if (hasRuntime) {
      return res.slice(0, -1) + ']'
    }
  }

  function genInlineTemplate (el, state) {
    var ast = el.children[0];
    if (el.children.length !== 1 || ast.type !== 1) {
      state.warn(
        'Inline-template components must have exactly one child element.',
        { start: el.start }
      );
    }
    if (ast && ast.type === 1) {
      var inlineRenderFns = generate(ast, state.options);
      return ("inlineTemplate:{render:function(){" + (inlineRenderFns.render) + "},staticRenderFns:[" + (inlineRenderFns.staticRenderFns.map(function (code) { return ("function(){" + code + "}"); }).join(',')) + "]}")
    }
  }

  function genScopedSlots (
    el,
    slots,
    state
  ) {
    // by default scoped slots are considered "stable", this allows child
    // components with only scoped slots to skip forced updates from parent.
    // but in some cases we have to bail-out of this optimization
    // for example if the slot contains dynamic names, has v-if or v-for on them...
    var needsForceUpdate = el.for || Object.keys(slots).some(function (key) {
      var slot = slots[key];
      return (
        slot.slotTargetDynamic ||
        slot.if ||
        slot.for ||
        containsSlotChild(slot) // is passing down slot from parent which may be dynamic
      )
    });

    // #9534: if a component with scoped slots is inside a conditional branch,
    // it's possible for the same component to be reused but with different
    // compiled slot content. To avoid that, we generate a unique key based on
    // the generated code of all the slot contents.
    var needsKey = !!el.if;

    // OR when it is inside another scoped slot or v-for (the reactivity may be
    // disconnected due to the intermediate scope variable)
    // #9438, #9506
    // TODO: this can be further optimized by properly analyzing in-scope bindings
    // and skip force updating ones that do not actually use scope variables.
    if (!needsForceUpdate) {
      var parent = el.parent;
      while (parent) {
        if (
          (parent.slotScope && parent.slotScope !== emptySlotScopeToken) ||
          parent.for
        ) {
          needsForceUpdate = true;
          break
        }
        if (parent.if) {
          needsKey = true;
        }
        parent = parent.parent;
      }
    }

    var generatedSlots = Object.keys(slots)
      .map(function (key) { return genScopedSlot(slots[key], state); })
      .join(',');

    return ("scopedSlots:_u([" + generatedSlots + "]" + (needsForceUpdate ? ",null,true" : "") + (!needsForceUpdate && needsKey ? (",null,false," + (hash(generatedSlots))) : "") + ")")
  }

  function hash(str) {
    var hash = 5381;
    var i = str.length;
    while(i) {
      hash = (hash * 33) ^ str.charCodeAt(--i);
    }
    return hash >>> 0
  }

  function containsSlotChild (el) {
    if (el.type === 1) {
      if (el.tag === 'slot') {
        return true
      }
      return el.children.some(containsSlotChild)
    }
    return false
  }

  function genScopedSlot (
    el,
    state
  ) {
    var isLegacySyntax = el.attrsMap['slot-scope'];
    if (el.if && !el.ifProcessed && !isLegacySyntax) {
      return genIf(el, state, genScopedSlot, "null")
    }
    if (el.for && !el.forProcessed) {
      return genFor(el, state, genScopedSlot)
    }
    var slotScope = el.slotScope === emptySlotScopeToken
      ? ""
      : String(el.slotScope);
    var fn = "function(" + slotScope + "){" +
      "return " + (el.tag === 'template'
        ? el.if && isLegacySyntax
          ? ("(" + (el.if) + ")?" + (genChildren(el, state) || 'undefined') + ":undefined")
          : genChildren(el, state) || 'undefined'
        : genElement(el, state)) + "}";
    // reverse proxy v-slot without scope on this.$slots
    var reverseProxy = slotScope ? "" : ",proxy:true";
    return ("{key:" + (el.slotTarget || "\"default\"") + ",fn:" + fn + reverseProxy + "}")
  }

  function genChildren (
    el,
    state,
    checkSkip,
    altGenElement,
    altGenNode
  ) {
    var children = el.children;
    if (children.length) {
      var el$1 = children[0];
      // optimize single v-for
      if (children.length === 1 &&
        el$1.for &&
        el$1.tag !== 'template' &&
        el$1.tag !== 'slot'
      ) {
        var normalizationType = checkSkip
          ? state.maybeComponent(el$1) ? ",1" : ",0"
          : "";
        return ("" + ((altGenElement || genElement)(el$1, state)) + normalizationType)
      }
      var normalizationType$1 = checkSkip
        ? getNormalizationType(children, state.maybeComponent)
        : 0;
      var gen = altGenNode || genNode;
      return ("[" + (children.map(function (c) { return gen(c, state); }).join(',')) + "]" + (normalizationType$1 ? ("," + normalizationType$1) : ''))
    }
  }

  // determine the normalization needed for the children array.
  // 0: no normalization needed
  // 1: simple normalization needed (possible 1-level deep nested array)
  // 2: full normalization needed
  function getNormalizationType (
    children,
    maybeComponent
  ) {
    var res = 0;
    for (var i = 0; i < children.length; i++) {
      var el = children[i];
      if (el.type !== 1) {
        continue
      }
      if (needsNormalization(el) ||
          (el.ifConditions && el.ifConditions.some(function (c) { return needsNormalization(c.block); }))) {
        res = 2;
        break
      }
      if (maybeComponent(el) ||
          (el.ifConditions && el.ifConditions.some(function (c) { return maybeComponent(c.block); }))) {
        res = 1;
      }
    }
    return res
  }

  function needsNormalization (el) {
    return el.for !== undefined || el.tag === 'template' || el.tag === 'slot'
  }

  function genNode (node, state) {
    if (node.type === 1) {
      return genElement(node, state)
    } else if (node.type === 3 && node.isComment) {
      return genComment(node)
    } else {
      return genText(node)
    }
  }

  function genText (text) {
    return ("_v(" + (text.type === 2
      ? text.expression // no need for () because already wrapped in _s()
      : transformSpecialNewlines(JSON.stringify(text.text))) + ")")
  }

  function genComment (comment) {
    return ("_e(" + (JSON.stringify(comment.text)) + ")")
  }

  function genSlot (el, state) {
    var slotName = el.slotName || '"default"';
    var children = genChildren(el, state);
    var res = "_t(" + slotName + (children ? ("," + children) : '');
    var attrs = el.attrs || el.dynamicAttrs
      ? genProps((el.attrs || []).concat(el.dynamicAttrs || []).map(function (attr) { return ({
          // slot props are camelized
          name: camelize(attr.name),
          value: attr.value,
          dynamic: attr.dynamic
        }); }))
      : null;
    var bind$$1 = el.attrsMap['v-bind'];
    if ((attrs || bind$$1) && !children) {
      res += ",null";
    }
    if (attrs) {
      res += "," + attrs;
    }
    if (bind$$1) {
      res += (attrs ? '' : ',null') + "," + bind$$1;
    }
    return res + ')'
  }

  // componentName is el.component, take it as argument to shun flow's pessimistic refinement
  function genComponent (
    componentName,
    el,
    state
  ) {
    var children = el.inlineTemplate ? null : genChildren(el, state, true);
    return ("_c(" + componentName + "," + (genData$2(el, state)) + (children ? ("," + children) : '') + ")")
  }

  function genProps (props) {
    var staticProps = "";
    var dynamicProps = "";
    for (var i = 0; i < props.length; i++) {
      var prop = props[i];
      var value = transformSpecialNewlines(prop.value);
      if (prop.dynamic) {
        dynamicProps += (prop.name) + "," + value + ",";
      } else {
        staticProps += "\"" + (prop.name) + "\":" + value + ",";
      }
    }
    staticProps = "{" + (staticProps.slice(0, -1)) + "}";
    if (dynamicProps) {
      return ("_d(" + staticProps + ",[" + (dynamicProps.slice(0, -1)) + "])")
    } else {
      return staticProps
    }
  }

  // #3895, #4268
  function transformSpecialNewlines (text) {
    return text
      .replace(/\u2028/g, '\\u2028')
      .replace(/\u2029/g, '\\u2029')
  }

  /*  */



  // these keywords should not appear inside expressions, but operators like
  // typeof, instanceof and in are allowed
  var prohibitedKeywordRE = new RegExp('\\b' + (
    'do,if,for,let,new,try,var,case,else,with,await,break,catch,class,const,' +
    'super,throw,while,yield,delete,export,import,return,switch,default,' +
    'extends,finally,continue,debugger,function,arguments'
  ).split(',').join('\\b|\\b') + '\\b');

  // these unary operators should not be used as property/method names
  var unaryOperatorsRE = new RegExp('\\b' + (
    'delete,typeof,void'
  ).split(',').join('\\s*\\([^\\)]*\\)|\\b') + '\\s*\\([^\\)]*\\)');

  // strip strings in expressions
  var stripStringRE = /'(?:[^'\\]|\\.)*'|"(?:[^"\\]|\\.)*"|`(?:[^`\\]|\\.)*\$\{|\}(?:[^`\\]|\\.)*`|`(?:[^`\\]|\\.)*`/g;

  // detect problematic expressions in a template
  function detectErrors (ast, warn) {
    if (ast) {
      checkNode(ast, warn);
    }
  }

  function checkNode (node, warn) {
    if (node.type === 1) {
      for (var name in node.attrsMap) {
        if (dirRE.test(name)) {
          var value = node.attrsMap[name];
          if (value) {
            var range = node.rawAttrsMap[name];
            if (name === 'v-for') {
              checkFor(node, ("v-for=\"" + value + "\""), warn, range);
            } else if (onRE.test(name)) {
              checkEvent(value, (name + "=\"" + value + "\""), warn, range);
            } else {
              checkExpression(value, (name + "=\"" + value + "\""), warn, range);
            }
          }
        }
      }
      if (node.children) {
        for (var i = 0; i < node.children.length; i++) {
          checkNode(node.children[i], warn);
        }
      }
    } else if (node.type === 2) {
      checkExpression(node.expression, node.text, warn, node);
    }
  }

  function checkEvent (exp, text, warn, range) {
    var stipped = exp.replace(stripStringRE, '');
    var keywordMatch = stipped.match(unaryOperatorsRE);
    if (keywordMatch && stipped.charAt(keywordMatch.index - 1) !== '$') {
      warn(
        "avoid using JavaScript unary operator as property name: " +
        "\"" + (keywordMatch[0]) + "\" in expression " + (text.trim()),
        range
      );
    }
    checkExpression(exp, text, warn, range);
  }

  function checkFor (node, text, warn, range) {
    checkExpression(node.for || '', text, warn, range);
    checkIdentifier(node.alias, 'v-for alias', text, warn, range);
    checkIdentifier(node.iterator1, 'v-for iterator', text, warn, range);
    checkIdentifier(node.iterator2, 'v-for iterator', text, warn, range);
  }

  function checkIdentifier (
    ident,
    type,
    text,
    warn,
    range
  ) {
    if (typeof ident === 'string') {
      try {
        new Function(("var " + ident + "=_"));
      } catch (e) {
        warn(("invalid " + type + " \"" + ident + "\" in expression: " + (text.trim())), range);
      }
    }
  }

  function checkExpression (exp, text, warn, range) {
    try {
      new Function(("return " + exp));
    } catch (e) {
      var keywordMatch = exp.replace(stripStringRE, '').match(prohibitedKeywordRE);
      if (keywordMatch) {
        warn(
          "avoid using JavaScript keyword as property name: " +
          "\"" + (keywordMatch[0]) + "\"\n  Raw expression: " + (text.trim()),
          range
        );
      } else {
        warn(
          "invalid expression: " + (e.message) + " in\n\n" +
          "    " + exp + "\n\n" +
          "  Raw expression: " + (text.trim()) + "\n",
          range
        );
      }
    }
  }

  /*  */

  var range = 2;

  function generateCodeFrame (
    source,
    start,
    end
  ) {
    if ( start === void 0 ) start = 0;
    if ( end === void 0 ) end = source.length;

    var lines = source.split(/\r?\n/);
    var count = 0;
    var res = [];
    for (var i = 0; i < lines.length; i++) {
      count += lines[i].length + 1;
      if (count >= start) {
        for (var j = i - range; j <= i + range || end > count; j++) {
          if (j < 0 || j >= lines.length) { continue }
          res.push(("" + (j + 1) + (repeat$1(" ", 3 - String(j + 1).length)) + "|  " + (lines[j])));
          var lineLength = lines[j].length;
          if (j === i) {
            // push underline
            var pad = start - (count - lineLength) + 1;
            var length = end > count ? lineLength - pad : end - start;
            res.push("   |  " + repeat$1(" ", pad) + repeat$1("^", length));
          } else if (j > i) {
            if (end > count) {
              var length$1 = Math.min(end - count, lineLength);
              res.push("   |  " + repeat$1("^", length$1));
            }
            count += lineLength + 1;
          }
        }
        break
      }
    }
    return res.join('\n')
  }

  function repeat$1 (str, n) {
    var result = '';
    if (n > 0) {
      while (true) { // eslint-disable-line
        if (n & 1) { result += str; }
        n >>>= 1;
        if (n <= 0) { break }
        str += str;
      }
    }
    return result
  }

  /*  */



  function createFunction (code, errors) {
    try {
      return new Function(code)
    } catch (err) {
      errors.push({ err: err, code: code });
      return noop
    }
  }

  function createCompileToFunctionFn (compile) {
    var cache = Object.create(null);

    return function compileToFunctions (
      template,
      options,
      vm
    ) {
      options = extend({}, options);
      var warn$$1 = options.warn || warn;
      delete options.warn;

      /* istanbul ignore if */
      {
        // detect possible CSP restriction
        try {
          new Function('return 1');
        } catch (e) {
          if (e.toString().match(/unsafe-eval|CSP/)) {
            warn$$1(
              'It seems you are using the standalone build of Vue.js in an ' +
              'environment with Content Security Policy that prohibits unsafe-eval. ' +
              'The template compiler cannot work in this environment. Consider ' +
              'relaxing the policy to allow unsafe-eval or pre-compiling your ' +
              'templates into render functions.'
            );
          }
        }
      }

      // check cache
      var key = options.delimiters
        ? String(options.delimiters) + template
        : template;
      if (cache[key]) {
        return cache[key]
      }

      // compile
      var compiled = compile(template, options);

      // check compilation errors/tips
      {
        if (compiled.errors && compiled.errors.length) {
          if (options.outputSourceRange) {
            compiled.errors.forEach(function (e) {
              warn$$1(
                "Error compiling template:\n\n" + (e.msg) + "\n\n" +
                generateCodeFrame(template, e.start, e.end),
                vm
              );
            });
          } else {
            warn$$1(
              "Error compiling template:\n\n" + template + "\n\n" +
              compiled.errors.map(function (e) { return ("- " + e); }).join('\n') + '\n',
              vm
            );
          }
        }
        if (compiled.tips && compiled.tips.length) {
          if (options.outputSourceRange) {
            compiled.tips.forEach(function (e) { return tip(e.msg, vm); });
          } else {
            compiled.tips.forEach(function (msg) { return tip(msg, vm); });
          }
        }
      }

      // turn code into functions
      var res = {};
      var fnGenErrors = [];
      res.render = createFunction(compiled.render, fnGenErrors);
      res.staticRenderFns = compiled.staticRenderFns.map(function (code) {
        return createFunction(code, fnGenErrors)
      });

      // check function generation errors.
      // this should only happen if there is a bug in the compiler itself.
      // mostly for codegen development use
      /* istanbul ignore if */
      {
        if ((!compiled.errors || !compiled.errors.length) && fnGenErrors.length) {
          warn$$1(
            "Failed to generate render function:\n\n" +
            fnGenErrors.map(function (ref) {
              var err = ref.err;
              var code = ref.code;

              return ((err.toString()) + " in\n\n" + code + "\n");
          }).join('\n'),
            vm
          );
        }
      }

      return (cache[key] = res)
    }
  }

  /*  */

  function createCompilerCreator (baseCompile) {
    return function createCompiler (baseOptions) {
      function compile (
        template,
        options
      ) {
        var finalOptions = Object.create(baseOptions);
        var errors = [];
        var tips = [];

        var warn = function (msg, range, tip) {
          (tip ? tips : errors).push(msg);
        };

        if (options) {
          if (options.outputSourceRange) {
            // $flow-disable-line
            var leadingSpaceLength = template.match(/^\s*/)[0].length;

            warn = function (msg, range, tip) {
              var data = { msg: msg };
              if (range) {
                if (range.start != null) {
                  data.start = range.start + leadingSpaceLength;
                }
                if (range.end != null) {
                  data.end = range.end + leadingSpaceLength;
                }
              }
              (tip ? tips : errors).push(data);
            };
          }
          // merge custom modules
          if (options.modules) {
            finalOptions.modules =
              (baseOptions.modules || []).concat(options.modules);
          }
          // merge custom directives
          if (options.directives) {
            finalOptions.directives = extend(
              Object.create(baseOptions.directives || null),
              options.directives
            );
          }
          // copy other options
          for (var key in options) {
            if (key !== 'modules' && key !== 'directives') {
              finalOptions[key] = options[key];
            }
          }
        }

        finalOptions.warn = warn;

        var compiled = baseCompile(template.trim(), finalOptions);
        {
          detectErrors(compiled.ast, warn);
        }
        compiled.errors = errors;
        compiled.tips = tips;
        return compiled
      }

      return {
        compile: compile,
        compileToFunctions: createCompileToFunctionFn(compile)
      }
    }
  }

  /*  */

  // `createCompilerCreator` allows creating compilers that use alternative
  // parser/optimizer/codegen, e.g the SSR optimizing compiler.
  // Here we just export a default compiler using the default parts.
  var createCompiler = createCompilerCreator(function baseCompile (
    template,
    options
  ) {
    var ast = parse(template.trim(), options);
    if (options.optimize !== false) {
      optimize(ast, options);
    }
    var code = generate(ast, options);
    return {
      ast: ast,
      render: code.render,
      staticRenderFns: code.staticRenderFns
    }
  });

  /*  */

  var ref$1 = createCompiler(baseOptions);
  var compile = ref$1.compile;
  var compileToFunctions = ref$1.compileToFunctions;

  /*  */

  // check whether current browser encodes a char inside attribute values
  var div;
  function getShouldDecode (href) {
    div = div || document.createElement('div');
    div.innerHTML = href ? "<a href=\"\n\"/>" : "<div a=\"\n\"/>";
    return div.innerHTML.indexOf('&#10;') > 0
  }

  // #3663: IE encodes newlines inside attribute values while other browsers don't
  var shouldDecodeNewlines = inBrowser ? getShouldDecode(false) : false;
  // #6828: chrome encodes content in a[href]
  var shouldDecodeNewlinesForHref = inBrowser ? getShouldDecode(true) : false;

  /*  */

  var idToTemplate = cached(function (id) {
    var el = query(id);
    return el && el.innerHTML
  });

  var mount = Vue.prototype.$mount;
  Vue.prototype.$mount = function (
    el,
    hydrating
  ) {
    el = el && query(el);

    /* istanbul ignore if */
    if (el === document.body || el === document.documentElement) {
      warn(
        "Do not mount Vue to <html> or <body> - mount to normal elements instead."
      );
      return this
    }

    var options = this.$options;
    // resolve template/el and convert to render function
    if (!options.render) {
      var template = options.template;
      if (template) {
        if (typeof template === 'string') {
          if (template.charAt(0) === '#') {
            template = idToTemplate(template);
            /* istanbul ignore if */
            if (!template) {
              warn(
                ("Template element not found or is empty: " + (options.template)),
                this
              );
            }
          }
        } else if (template.nodeType) {
          template = template.innerHTML;
        } else {
          {
            warn('invalid template option:' + template, this);
          }
          return this
        }
      } else if (el) {
        template = getOuterHTML(el);
      }
      if (template) {
        /* istanbul ignore if */
        if (config.performance && mark) {
          mark('compile');
        }

        var ref = compileToFunctions(template, {
          outputSourceRange: "development" !== 'production',
          shouldDecodeNewlines: shouldDecodeNewlines,
          shouldDecodeNewlinesForHref: shouldDecodeNewlinesForHref,
          delimiters: options.delimiters,
          comments: options.comments
        }, this);
        var render = ref.render;
        var staticRenderFns = ref.staticRenderFns;
        options.render = render;
        options.staticRenderFns = staticRenderFns;

        /* istanbul ignore if */
        if (config.performance && mark) {
          mark('compile end');
          measure(("vue " + (this._name) + " compile"), 'compile', 'compile end');
        }
      }
    }
    return mount.call(this, el, hydrating)
  };

  /**
   * Get outerHTML of elements, taking care
   * of SVG elements in IE as well.
   */
  function getOuterHTML (el) {
    if (el.outerHTML) {
      return el.outerHTML
    } else {
      var container = document.createElement('div');
      container.appendChild(el.cloneNode(true));
      return container.innerHTML
    }
  }

  Vue.compile = compileToFunctions;

  return Vue;

}));

/* axios v0.19.0-beta.1 | (c) 2018 by Matt Zabriskie */
(function webpackUniversalModuleDefinition(root, factory) {
    if(typeof exports === 'object' && typeof module === 'object')
        module.exports = factory();
    else if(typeof define === 'function' && define.amd)
        define([], factory);
    else if(typeof exports === 'object')
        exports["axios"] = factory();
    else
        root["axios"] = factory();
})(this, function() {
    return /******/ (function(modules) { // webpackBootstrap
        /******/ 	// The module cache
        /******/ 	var installedModules = {};
        /******/
        /******/ 	// The require function
        /******/ 	function __webpack_require__(moduleId) {
            /******/
            /******/ 		// Check if module is in cache
            /******/ 		if(installedModules[moduleId])
            /******/ 			return installedModules[moduleId].exports;
            /******/
            /******/ 		// Create a new module (and put it into the cache)
            /******/ 		var module = installedModules[moduleId] = {
                /******/ 			exports: {},
                /******/ 			id: moduleId,
                /******/ 			loaded: false
                /******/ 		};
            /******/
            /******/ 		// Execute the module function
            /******/ 		modules[moduleId].call(module.exports, module, module.exports, __webpack_require__);
            /******/
            /******/ 		// Flag the module as loaded
            /******/ 		module.loaded = true;
            /******/
            /******/ 		// Return the exports of the module
            /******/ 		return module.exports;
            /******/ 	}
        /******/
        /******/
        /******/ 	// expose the modules object (__webpack_modules__)
        /******/ 	__webpack_require__.m = modules;
        /******/
        /******/ 	// expose the module cache
        /******/ 	__webpack_require__.c = installedModules;
        /******/
        /******/ 	// __webpack_public_path__
        /******/ 	__webpack_require__.p = "";
        /******/
        /******/ 	// Load entry module and return exports
        /******/ 	return __webpack_require__(0);
        /******/ })
    /************************************************************************/
    /******/ ([
        /* 0 */
        /***/ (function(module, exports, __webpack_require__) {

            module.exports = __webpack_require__(1);

            /***/ }),
        /* 1 */
        /***/ (function(module, exports, __webpack_require__) {

            'use strict';

            var utils = __webpack_require__(2);
            var bind = __webpack_require__(3);
            var Axios = __webpack_require__(5);
            var mergeConfig = __webpack_require__(22);
            var defaults = __webpack_require__(11);

            /**
             * Create an instance of Axios
             *
             * @param {Object} defaultConfig The default config for the instance
             * @return {Axios} A new instance of Axios
             */
            function createInstance(defaultConfig) {
                var context = new Axios(defaultConfig);
                var instance = bind(Axios.prototype.request, context);

                // Copy axios.prototype to instance
                utils.extend(instance, Axios.prototype, context);

                // Copy context to instance
                utils.extend(instance, context);

                return instance;
            }

            // Create the default instance to be exported
            var axios = createInstance(defaults);

            // Expose Axios class to allow class inheritance
            axios.Axios = Axios;

            // Factory for creating new instances
            axios.create = function create(instanceConfig) {
                return createInstance(mergeConfig(axios.defaults, instanceConfig));
            };

            // Expose Cancel & CancelToken
            axios.Cancel = __webpack_require__(23);
            axios.CancelToken = __webpack_require__(24);
            axios.isCancel = __webpack_require__(10);

            // Expose all/spread
            axios.all = function all(promises) {
                return Promise.all(promises);
            };
            axios.spread = __webpack_require__(25);

            module.exports = axios;

            // Allow use of default import syntax in TypeScript
            module.exports.default = axios;


            /***/ }),
        /* 2 */
        /***/ (function(module, exports, __webpack_require__) {

            'use strict';

            var bind = __webpack_require__(3);
            var isBuffer = __webpack_require__(4);

            /*global toString:true*/

            // utils is a library of generic helper functions non-specific to axios

            var toString = Object.prototype.toString;

            /**
             * Determine if a value is an Array
             *
             * @param {Object} val The value to test
             * @returns {boolean} True if value is an Array, otherwise false
             */
            function isArray(val) {
                return toString.call(val) === '[object Array]';
            }

            /**
             * Determine if a value is an ArrayBuffer
             *
             * @param {Object} val The value to test
             * @returns {boolean} True if value is an ArrayBuffer, otherwise false
             */
            function isArrayBuffer(val) {
                return toString.call(val) === '[object ArrayBuffer]';
            }

            /**
             * Determine if a value is a FormData
             *
             * @param {Object} val The value to test
             * @returns {boolean} True if value is an FormData, otherwise false
             */
            function isFormData(val) {
                return (typeof FormData !== 'undefined') && (val instanceof FormData);
            }

            /**
             * Determine if a value is a view on an ArrayBuffer
             *
             * @param {Object} val The value to test
             * @returns {boolean} True if value is a view on an ArrayBuffer, otherwise false
             */
            function isArrayBufferView(val) {
                var result;
                if ((typeof ArrayBuffer !== 'undefined') && (ArrayBuffer.isView)) {
                    result = ArrayBuffer.isView(val);
                } else {
                    result = (val) && (val.buffer) && (val.buffer instanceof ArrayBuffer);
                }
                return result;
            }

            /**
             * Determine if a value is a String
             *
             * @param {Object} val The value to test
             * @returns {boolean} True if value is a String, otherwise false
             */
            function isString(val) {
                return typeof val === 'string';
            }

            /**
             * Determine if a value is a Number
             *
             * @param {Object} val The value to test
             * @returns {boolean} True if value is a Number, otherwise false
             */
            function isNumber(val) {
                return typeof val === 'number';
            }

            /**
             * Determine if a value is undefined
             *
             * @param {Object} val The value to test
             * @returns {boolean} True if the value is undefined, otherwise false
             */
            function isUndefined(val) {
                return typeof val === 'undefined';
            }

            /**
             * Determine if a value is an Object
             *
             * @param {Object} val The value to test
             * @returns {boolean} True if value is an Object, otherwise false
             */
            function isObject(val) {
                return val !== null && typeof val === 'object';
            }

            /**
             * Determine if a value is a Date
             *
             * @param {Object} val The value to test
             * @returns {boolean} True if value is a Date, otherwise false
             */
            function isDate(val) {
                return toString.call(val) === '[object Date]';
            }

            /**
             * Determine if a value is a File
             *
             * @param {Object} val The value to test
             * @returns {boolean} True if value is a File, otherwise false
             */
            function isFile(val) {
                return toString.call(val) === '[object File]';
            }

            /**
             * Determine if a value is a Blob
             *
             * @param {Object} val The value to test
             * @returns {boolean} True if value is a Blob, otherwise false
             */
            function isBlob(val) {
                return toString.call(val) === '[object Blob]';
            }

            /**
             * Determine if a value is a Function
             *
             * @param {Object} val The value to test
             * @returns {boolean} True if value is a Function, otherwise false
             */
            function isFunction(val) {
                return toString.call(val) === '[object Function]';
            }

            /**
             * Determine if a value is a Stream
             *
             * @param {Object} val The value to test
             * @returns {boolean} True if value is a Stream, otherwise false
             */
            function isStream(val) {
                return isObject(val) && isFunction(val.pipe);
            }

            /**
             * Determine if a value is a URLSearchParams object
             *
             * @param {Object} val The value to test
             * @returns {boolean} True if value is a URLSearchParams object, otherwise false
             */
            function isURLSearchParams(val) {
                return typeof URLSearchParams !== 'undefined' && val instanceof URLSearchParams;
            }

            /**
             * Trim excess whitespace off the beginning and end of a string
             *
             * @param {String} str The String to trim
             * @returns {String} The String freed of excess whitespace
             */
            function trim(str) {
                return str.replace(/^\s*/, '').replace(/\s*$/, '');
            }

            /**
             * Determine if we're running in a standard browser environment
             *
             * This allows axios to run in a web worker, and react-native.
             * Both environments support XMLHttpRequest, but not fully standard globals.
             *
             * web workers:
             *  typeof window -> undefined
             *  typeof document -> undefined
             *
             * react-native:
             *  navigator.product -> 'ReactNative'
             * nativescript
             *  navigator.product -> 'NativeScript' or 'NS'
             */
            function isStandardBrowserEnv() {
                if (typeof navigator !== 'undefined' && (navigator.product === 'ReactNative' ||
                    navigator.product === 'NativeScript' ||
                    navigator.product === 'NS')) {
                    return false;
                }
                return (
                    typeof window !== 'undefined' &&
                    typeof document !== 'undefined'
                );
            }

            /**
             * Iterate over an Array or an Object invoking a function for each item.
             *
             * If `obj` is an Array callback will be called passing
             * the value, index, and complete array for each item.
             *
             * If 'obj' is an Object callback will be called passing
             * the value, key, and complete object for each property.
             *
             * @param {Object|Array} obj The object to iterate
             * @param {Function} fn The callback to invoke for each item
             */
            function forEach(obj, fn) {
                // Don't bother if no value provided
                if (obj === null || typeof obj === 'undefined') {
                    return;
                }

                // Force an array if not already something iterable
                if (typeof obj !== 'object') {
                    /*eslint no-param-reassign:0*/
                    obj = [obj];
                }

                if (isArray(obj)) {
                    // Iterate over array values
                    for (var i = 0, l = obj.length; i < l; i++) {
                        fn.call(null, obj[i], i, obj);
                    }
                } else {
                    // Iterate over object keys
                    for (var key in obj) {
                        if (Object.prototype.hasOwnProperty.call(obj, key)) {
                            fn.call(null, obj[key], key, obj);
                        }
                    }
                }
            }

            /**
             * Accepts varargs expecting each argument to be an object, then
             * immutably merges the properties of each object and returns result.
             *
             * When multiple objects contain the same key the later object in
             * the arguments list will take precedence.
             *
             * Example:
             *
             * ```js
             * var result = merge({foo: 123}, {foo: 456});
             * console.log(result.foo); // outputs 456
             * ```
             *
             * @param {Object} obj1 Object to merge
             * @returns {Object} Result of all merge properties
             */
            function merge(/* obj1, obj2, obj3, ... */) {
                var result = {};
                function assignValue(val, key) {
                    if (typeof result[key] === 'object' && typeof val === 'object') {
                        result[key] = merge(result[key], val);
                    } else {
                        result[key] = val;
                    }
                }

                for (var i = 0, l = arguments.length; i < l; i++) {
                    forEach(arguments[i], assignValue);
                }
                return result;
            }

            /**
             * Function equal to merge with the difference being that no reference
             * to original objects is kept.
             *
             * @see merge
             * @param {Object} obj1 Object to merge
             * @returns {Object} Result of all merge properties
             */
            function deepMerge(/* obj1, obj2, obj3, ... */) {
                var result = {};
                function assignValue(val, key) {
                    if (typeof result[key] === 'object' && typeof val === 'object') {
                        result[key] = deepMerge(result[key], val);
                    } else if (typeof val === 'object') {
                        result[key] = deepMerge({}, val);
                    } else {
                        result[key] = val;
                    }
                }

                for (var i = 0, l = arguments.length; i < l; i++) {
                    forEach(arguments[i], assignValue);
                }
                return result;
            }

            /**
             * Extends object a by mutably adding to it the properties of object b.
             *
             * @param {Object} a The object to be extended
             * @param {Object} b The object to copy properties from
             * @param {Object} thisArg The object to bind function to
             * @return {Object} The resulting value of object a
             */
            function extend(a, b, thisArg) {
                forEach(b, function assignValue(val, key) {
                    if (thisArg && typeof val === 'function') {
                        a[key] = bind(val, thisArg);
                    } else {
                        a[key] = val;
                    }
                });
                return a;
            }

            module.exports = {
                isArray: isArray,
                isArrayBuffer: isArrayBuffer,
                isBuffer: isBuffer,
                isFormData: isFormData,
                isArrayBufferView: isArrayBufferView,
                isString: isString,
                isNumber: isNumber,
                isObject: isObject,
                isUndefined: isUndefined,
                isDate: isDate,
                isFile: isFile,
                isBlob: isBlob,
                isFunction: isFunction,
                isStream: isStream,
                isURLSearchParams: isURLSearchParams,
                isStandardBrowserEnv: isStandardBrowserEnv,
                forEach: forEach,
                merge: merge,
                deepMerge: deepMerge,
                extend: extend,
                trim: trim
            };


            /***/ }),
        /* 3 */
        /***/ (function(module, exports) {

            'use strict';

            module.exports = function bind(fn, thisArg) {
                return function wrap() {
                    var args = new Array(arguments.length);
                    for (var i = 0; i < args.length; i++) {
                        args[i] = arguments[i];
                    }
                    return fn.apply(thisArg, args);
                };
            };


            /***/ }),
        /* 4 */
        /***/ (function(module, exports) {

            /*!
             * Determine if an object is a Buffer
             *
             * @author   Feross Aboukhadijeh <https://feross.org>
             * @license  MIT
             */

            module.exports = function isBuffer (obj) {
                return obj != null && obj.constructor != null &&
                    typeof obj.constructor.isBuffer === 'function' && obj.constructor.isBuffer(obj)
            }


            /***/ }),
        /* 5 */
        /***/ (function(module, exports, __webpack_require__) {

            'use strict';

            var utils = __webpack_require__(2);
            var buildURL = __webpack_require__(6);
            var InterceptorManager = __webpack_require__(7);
            var dispatchRequest = __webpack_require__(8);
            var mergeConfig = __webpack_require__(22);

            /**
             * Create a new instance of Axios
             *
             * @param {Object} instanceConfig The default config for the instance
             */
            function Axios(instanceConfig) {
                this.defaults = instanceConfig;
                this.interceptors = {
                    request: new InterceptorManager(),
                    response: new InterceptorManager()
                };
            }

            /**
             * Dispatch a request
             *
             * @param {Object} config The config specific for this request (merged with this.defaults)
             */
            Axios.prototype.request = function request(config) {
                /*eslint no-param-reassign:0*/
                // Allow for axios('example/url'[, config]) a la fetch API
                if (typeof config === 'string') {
                    config = arguments[1] || {};
                    config.url = arguments[0];
                } else {
                    config = config || {};
                }

                config = mergeConfig(this.defaults, config);
                config.method = config.method ? config.method.toLowerCase() : 'get';

                // Hook up interceptors middleware
                var chain = [dispatchRequest, undefined];
                var promise = Promise.resolve(config);

                this.interceptors.request.forEach(function unshiftRequestInterceptors(interceptor) {
                    chain.unshift(interceptor.fulfilled, interceptor.rejected);
                });

                this.interceptors.response.forEach(function pushResponseInterceptors(interceptor) {
                    chain.push(interceptor.fulfilled, interceptor.rejected);
                });

                while (chain.length) {
                    promise = promise.then(chain.shift(), chain.shift());
                }

                return promise;
            };

            Axios.prototype.getUri = function getUri(config) {
                config = mergeConfig(this.defaults, config);
                return buildURL(config.url, config.params, config.paramsSerializer).replace(/^\?/, '');
            };

            // Provide aliases for supported request methods
            utils.forEach(['delete', 'get', 'head', 'options'], function forEachMethodNoData(method) {
                /*eslint func-names:0*/
                Axios.prototype[method] = function(url, config) {
                    return this.request(utils.merge(config || {}, {
                        method: method,
                        url: url
                    }));
                };
            });

            utils.forEach(['post', 'put', 'patch'], function forEachMethodWithData(method) {
                /*eslint func-names:0*/
                Axios.prototype[method] = function(url, data, config) {
                    return this.request(utils.merge(config || {}, {
                        method: method,
                        url: url,
                        data: data
                    }));
                };
            });

            module.exports = Axios;


            /***/ }),
        /* 6 */
        /***/ (function(module, exports, __webpack_require__) {

            'use strict';

            var utils = __webpack_require__(2);

            function encode(val) {
                return encodeURIComponent(val).
                replace(/%40/gi, '@').
                replace(/%3A/gi, ':').
                replace(/%24/g, '$').
                replace(/%2C/gi, ',').
                replace(/%20/g, '+').
                replace(/%5B/gi, '[').
                replace(/%5D/gi, ']');
            }

            /**
             * Build a URL by appending params to the end
             *
             * @param {string} url The base of the url (e.g., http://www.google.com)
             * @param {object} [params] The params to be appended
             * @returns {string} The formatted url
             */
            module.exports = function buildURL(url, params, paramsSerializer) {
                /*eslint no-param-reassign:0*/
                if (!params) {
                    return url;
                }

                var serializedParams;
                if (paramsSerializer) {
                    serializedParams = paramsSerializer(params);
                } else if (utils.isURLSearchParams(params)) {
                    serializedParams = params.toString();
                } else {
                    var parts = [];

                    utils.forEach(params, function serialize(val, key) {
                        if (val === null || typeof val === 'undefined') {
                            return;
                        }

                        if (utils.isArray(val)) {
                            key = key + '[]';
                        } else {
                            val = [val];
                        }

                        utils.forEach(val, function parseValue(v) {
                            if (utils.isDate(v)) {
                                v = v.toISOString();
                            } else if (utils.isObject(v)) {
                                v = JSON.stringify(v);
                            }
                            parts.push(encode(key) + '=' + encode(v));
                        });
                    });

                    serializedParams = parts.join('&');
                }

                if (serializedParams) {
                    url += (url.indexOf('?') === -1 ? '?' : '&') + serializedParams;
                }

                return url;
            };


            /***/ }),
        /* 7 */
        /***/ (function(module, exports, __webpack_require__) {

            'use strict';

            var utils = __webpack_require__(2);

            function InterceptorManager() {
                this.handlers = [];
            }

            /**
             * Add a new interceptor to the stack
             *
             * @param {Function} fulfilled The function to handle `then` for a `Promise`
             * @param {Function} rejected The function to handle `reject` for a `Promise`
             *
             * @return {Number} An ID used to remove interceptor later
             */
            InterceptorManager.prototype.use = function use(fulfilled, rejected) {
                this.handlers.push({
                    fulfilled: fulfilled,
                    rejected: rejected
                });
                return this.handlers.length - 1;
            };

            /**
             * Remove an interceptor from the stack
             *
             * @param {Number} id The ID that was returned by `use`
             */
            InterceptorManager.prototype.eject = function eject(id) {
                if (this.handlers[id]) {
                    this.handlers[id] = null;
                }
            };

            /**
             * Iterate over all the registered interceptors
             *
             * This method is particularly useful for skipping over any
             * interceptors that may have become `null` calling `eject`.
             *
             * @param {Function} fn The function to call for each interceptor
             */
            InterceptorManager.prototype.forEach = function forEach(fn) {
                utils.forEach(this.handlers, function forEachHandler(h) {
                    if (h !== null) {
                        fn(h);
                    }
                });
            };

            module.exports = InterceptorManager;


            /***/ }),
        /* 8 */
        /***/ (function(module, exports, __webpack_require__) {

            'use strict';

            var utils = __webpack_require__(2);
            var transformData = __webpack_require__(9);
            var isCancel = __webpack_require__(10);
            var defaults = __webpack_require__(11);
            var isAbsoluteURL = __webpack_require__(20);
            var combineURLs = __webpack_require__(21);

            /**
             * Throws a `Cancel` if cancellation has been requested.
             */
            function throwIfCancellationRequested(config) {
                if (config.cancelToken) {
                    config.cancelToken.throwIfRequested();
                }
            }

            /**
             * Dispatch a request to the server using the configured adapter.
             *
             * @param {object} config The config that is to be used for the request
             * @returns {Promise} The Promise to be fulfilled
             */
            module.exports = function dispatchRequest(config) {
                throwIfCancellationRequested(config);

                // Support baseURL config
                if (config.baseURL && !isAbsoluteURL(config.url)) {
                    config.url = combineURLs(config.baseURL, config.url);
                }

                // Ensure headers exist
                config.headers = config.headers || {};

                // Transform request data
                config.data = transformData(
                    config.data,
                    config.headers,
                    config.transformRequest
                );

                // Flatten headers
                config.headers = utils.merge(
                    config.headers.common || {},
                    config.headers[config.method] || {},
                    config.headers || {}
                );

                utils.forEach(
                    ['delete', 'get', 'head', 'post', 'put', 'patch', 'common'],
                    function cleanHeaderConfig(method) {
                        delete config.headers[method];
                    }
                );

                var adapter = config.adapter || defaults.adapter;

                return adapter(config).then(function onAdapterResolution(response) {
                    throwIfCancellationRequested(config);

                    // Transform response data
                    response.data = transformData(
                        response.data,
                        response.headers,
                        config.transformResponse
                    );

                    return response;
                }, function onAdapterRejection(reason) {
                    if (!isCancel(reason)) {
                        throwIfCancellationRequested(config);

                        // Transform response data
                        if (reason && reason.response) {
                            reason.response.data = transformData(
                                reason.response.data,
                                reason.response.headers,
                                config.transformResponse
                            );
                        }
                    }

                    return Promise.reject(reason);
                });
            };


            /***/ }),
        /* 9 */
        /***/ (function(module, exports, __webpack_require__) {

            'use strict';

            var utils = __webpack_require__(2);

            /**
             * Transform the data for a request or a response
             *
             * @param {Object|String} data The data to be transformed
             * @param {Array} headers The headers for the request or response
             * @param {Array|Function} fns A single function or Array of functions
             * @returns {*} The resulting transformed data
             */
            module.exports = function transformData(data, headers, fns) {
                /*eslint no-param-reassign:0*/
                utils.forEach(fns, function transform(fn) {
                    data = fn(data, headers);
                });

                return data;
            };


            /***/ }),
        /* 10 */
        /***/ (function(module, exports) {

            'use strict';

            module.exports = function isCancel(value) {
                return !!(value && value.__CANCEL__);
            };


            /***/ }),
        /* 11 */
        /***/ (function(module, exports, __webpack_require__) {

            'use strict';

            var utils = __webpack_require__(2);
            var normalizeHeaderName = __webpack_require__(12);

            var DEFAULT_CONTENT_TYPE = {
                'Content-Type': 'application/x-www-form-urlencoded'
            };

            function setContentTypeIfUnset(headers, value) {
                if (!utils.isUndefined(headers) && utils.isUndefined(headers['Content-Type'])) {
                    headers['Content-Type'] = value;
                }
            }

            function getDefaultAdapter() {
                var adapter;
                // Only Node.JS has a process variable that is of [[Class]] process
                if (typeof process !== 'undefined' && Object.prototype.toString.call(process) === '[object process]') {
                    // For node use HTTP adapter
                    adapter = __webpack_require__(13);
                } else if (typeof XMLHttpRequest !== 'undefined') {
                    // For browsers use XHR adapter
                    adapter = __webpack_require__(13);
                }
                return adapter;
            }

            var defaults = {
                adapter: getDefaultAdapter(),

                transformRequest: [function transformRequest(data, headers) {
                    normalizeHeaderName(headers, 'Accept');
                    normalizeHeaderName(headers, 'Content-Type');
                    if (utils.isFormData(data) ||
                        utils.isArrayBuffer(data) ||
                        utils.isBuffer(data) ||
                        utils.isStream(data) ||
                        utils.isFile(data) ||
                        utils.isBlob(data)
                    ) {
                        return data;
                    }
                    if (utils.isArrayBufferView(data)) {
                        return data.buffer;
                    }
                    if (utils.isURLSearchParams(data)) {
                        setContentTypeIfUnset(headers, 'application/x-www-form-urlencoded;charset=utf-8');
                        return data.toString();
                    }
                    if (utils.isObject(data)) {
                        setContentTypeIfUnset(headers, 'application/json;charset=utf-8');
                        return JSON.stringify(data);
                    }
                    return data;
                }],

                transformResponse: [function transformResponse(data) {
                    /*eslint no-param-reassign:0*/
                    if (typeof data === 'string') {
                        try {
                            data = JSON.parse(data);
                        } catch (e) { /* Ignore */ }
                    }
                    return data;
                }],

                /**
                 * A timeout in milliseconds to abort a request. If set to 0 (default) a
                 * timeout is not created.
                 */
                timeout: 0,

                xsrfCookieName: 'XSRF-TOKEN',
                xsrfHeaderName: 'X-XSRF-TOKEN',

                maxContentLength: -1,

                validateStatus: function validateStatus(status) {
                    return status >= 200 && status < 300;
                }
            };

            defaults.headers = {
                common: {
                    'Accept': 'application/json, text/plain, */*'
                }
            };

            utils.forEach(['delete', 'get', 'head'], function forEachMethodNoData(method) {
                defaults.headers[method] = {};
            });

            utils.forEach(['post', 'put', 'patch'], function forEachMethodWithData(method) {
                defaults.headers[method] = utils.merge(DEFAULT_CONTENT_TYPE);
            });

            module.exports = defaults;


            /***/ }),
        /* 12 */
        /***/ (function(module, exports, __webpack_require__) {

            'use strict';

            var utils = __webpack_require__(2);

            module.exports = function normalizeHeaderName(headers, normalizedName) {
                utils.forEach(headers, function processHeader(value, name) {
                    if (name !== normalizedName && name.toUpperCase() === normalizedName.toUpperCase()) {
                        headers[normalizedName] = value;
                        delete headers[name];
                    }
                });
            };


            /***/ }),
        /* 13 */
        /***/ (function(module, exports, __webpack_require__) {

            'use strict';

            var utils = __webpack_require__(2);
            var settle = __webpack_require__(14);
            var buildURL = __webpack_require__(6);
            var parseHeaders = __webpack_require__(17);
            var isURLSameOrigin = __webpack_require__(18);
            var createError = __webpack_require__(15);

            module.exports = function xhrAdapter(config) {
                return new Promise(function dispatchXhrRequest(resolve, reject) {
                    var requestData = config.data;
                    var requestHeaders = config.headers;

                    if (utils.isFormData(requestData)) {
                        delete requestHeaders['Content-Type']; // Let the browser set it
                    }

                    var request = new XMLHttpRequest();

                    // HTTP basic authentication
                    if (config.auth) {
                        var username = config.auth.username || '';
                        var password = config.auth.password || '';
                        requestHeaders.Authorization = 'Basic ' + btoa(username + ':' + password);
                    }

                    request.open(config.method.toUpperCase(), buildURL(config.url, config.params, config.paramsSerializer), true);

                    // Set the request timeout in MS
                    request.timeout = config.timeout;

                    // Listen for ready state
                    request.onreadystatechange = function handleLoad() {
                        if (!request || request.readyState !== 4) {
                            return;
                        }

                        // The request errored out and we didn't get a response, this will be
                        // handled by onerror instead
                        // With one exception: request that using file: protocol, most browsers
                        // will return status as 0 even though it's a successful request
                        if (request.status === 0 && !(request.responseURL && request.responseURL.indexOf('file:') === 0)) {
                            return;
                        }

                        // Prepare the response
                        var responseHeaders = 'getAllResponseHeaders' in request ? parseHeaders(request.getAllResponseHeaders()) : null;
                        var responseData = !config.responseType || config.responseType === 'text' ? request.responseText : request.response;
                        var response = {
                            data: responseData,
                            status: request.status,
                            statusText: request.statusText,
                            headers: responseHeaders,
                            config: config,
                            request: request
                        };

                        settle(resolve, reject, response);

                        // Clean up request
                        request = null;
                    };

                    // Handle browser request cancellation (as opposed to a manual cancellation)
                    request.onabort = function handleAbort() {
                        if (!request) {
                            return;
                        }

                        reject(createError('Request aborted', config, 'ECONNABORTED', request));

                        // Clean up request
                        request = null;
                    };

                    // Handle low level network errors
                    request.onerror = function handleError() {
                        // Real errors are hidden from us by the browser
                        // onerror should only fire if it's a network error
                        reject(createError('Network Error', config, null, request));

                        // Clean up request
                        request = null;
                    };

                    // Handle timeout
                    request.ontimeout = function handleTimeout() {
                        reject(createError('timeout of ' + config.timeout + 'ms exceeded', config, 'ECONNABORTED',
                            request));

                        // Clean up request
                        request = null;
                    };

                    // Add xsrf header
                    // This is only done if running in a standard browser environment.
                    // Specifically not if we're in a web worker, or react-native.
                    if (utils.isStandardBrowserEnv()) {
                        var cookies = __webpack_require__(19);

                        // Add xsrf header
                        var xsrfValue = (config.withCredentials || isURLSameOrigin(config.url)) && config.xsrfCookieName ?
                            cookies.read(config.xsrfCookieName) :
                            undefined;

                        if (xsrfValue) {
                            requestHeaders[config.xsrfHeaderName] = xsrfValue;
                        }
                    }

                    // Add headers to the request
                    if ('setRequestHeader' in request) {
                        utils.forEach(requestHeaders, function setRequestHeader(val, key) {
                            if (typeof requestData === 'undefined' && key.toLowerCase() === 'content-type') {
                                // Remove Content-Type if data is undefined
                                delete requestHeaders[key];
                            } else {
                                // Otherwise add header to the request
                                request.setRequestHeader(key, val);
                            }
                        });
                    }

                    // Add withCredentials to request if needed
                    if (config.withCredentials) {
                        request.withCredentials = true;
                    }

                    // Add responseType to request if needed
                    if (config.responseType) {
                        try {
                            request.responseType = config.responseType;
                        } catch (e) {
                            // Expected DOMException thrown by browsers not compatible XMLHttpRequest Level 2.
                            // But, this can be suppressed for 'json' type as it can be parsed by default 'transformResponse' function.
                            if (config.responseType !== 'json') {
                                throw e;
                            }
                        }
                    }

                    // Handle progress if needed
                    if (typeof config.onDownloadProgress === 'function') {
                        request.addEventListener('progress', config.onDownloadProgress);
                    }

                    // Not all browsers support upload events
                    if (typeof config.onUploadProgress === 'function' && request.upload) {
                        request.upload.addEventListener('progress', config.onUploadProgress);
                    }

                    if (config.cancelToken) {
                        // Handle cancellation
                        config.cancelToken.promise.then(function onCanceled(cancel) {
                            if (!request) {
                                return;
                            }

                            request.abort();
                            reject(cancel);
                            // Clean up request
                            request = null;
                        });
                    }

                    if (requestData === undefined) {
                        requestData = null;
                    }

                    // Send the request
                    request.send(requestData);
                });
            };


            /***/ }),
        /* 14 */
        /***/ (function(module, exports, __webpack_require__) {

            'use strict';

            var createError = __webpack_require__(15);

            /**
             * Resolve or reject a Promise based on response status.
             *
             * @param {Function} resolve A function that resolves the promise.
             * @param {Function} reject A function that rejects the promise.
             * @param {object} response The response.
             */
            module.exports = function settle(resolve, reject, response) {
                var validateStatus = response.config.validateStatus;
                if (!validateStatus || validateStatus(response.status)) {
                    resolve(response);
                } else {
                    reject(createError(
                        'Request failed with status code ' + response.status,
                        response.config,
                        null,
                        response.request,
                        response
                    ));
                }
            };


            /***/ }),
        /* 15 */
        /***/ (function(module, exports, __webpack_require__) {

            'use strict';

            var enhanceError = __webpack_require__(16);

            /**
             * Create an Error with the specified message, config, error code, request and response.
             *
             * @param {string} message The error message.
             * @param {Object} config The config.
             * @param {string} [code] The error code (for example, 'ECONNABORTED').
             * @param {Object} [request] The request.
             * @param {Object} [response] The response.
             * @returns {Error} The created error.
             */
            module.exports = function createError(message, config, code, request, response) {
                var error = new Error(message);
                return enhanceError(error, config, code, request, response);
            };


            /***/ }),
        /* 16 */
        /***/ (function(module, exports) {

            'use strict';

            /**
             * Update an Error with the specified config, error code, and response.
             *
             * @param {Error} error The error to update.
             * @param {Object} config The config.
             * @param {string} [code] The error code (for example, 'ECONNABORTED').
             * @param {Object} [request] The request.
             * @param {Object} [response] The response.
             * @returns {Error} The error.
             */
            module.exports = function enhanceError(error, config, code, request, response) {
                error.config = config;
                if (code) {
                    error.code = code;
                }
                error.request = request;
                error.response = response;
                error.toJSON = function() {
                    return {
                        // Standard
                        message: this.message,
                        name: this.name,
                        // Microsoft
                        description: this.description,
                        number: this.number,
                        // Mozilla
                        fileName: this.fileName,
                        lineNumber: this.lineNumber,
                        columnNumber: this.columnNumber,
                        stack: this.stack,
                        // Axios
                        config: this.config,
                        code: this.code
                    };
                };
                return error;
            };


            /***/ }),
        /* 17 */
        /***/ (function(module, exports, __webpack_require__) {

            'use strict';

            var utils = __webpack_require__(2);

            // Headers whose duplicates are ignored by node
            // c.f. https://nodejs.org/api/http.html#http_message_headers
            var ignoreDuplicateOf = [
                'age', 'authorization', 'content-length', 'content-type', 'etag',
                'expires', 'from', 'host', 'if-modified-since', 'if-unmodified-since',
                'last-modified', 'location', 'max-forwards', 'proxy-authorization',
                'referer', 'retry-after', 'user-agent'
            ];

            /**
             * Parse headers into an object
             *
             * ```
             * Date: Wed, 27 Aug 2014 08:58:49 GMT
             * Content-Type: application/json
             * Connection: keep-alive
             * Transfer-Encoding: chunked
             * ```
             *
             * @param {String} headers Headers needing to be parsed
             * @returns {Object} Headers parsed into an object
             */
            module.exports = function parseHeaders(headers) {
                var parsed = {};
                var key;
                var val;
                var i;

                if (!headers) { return parsed; }

                utils.forEach(headers.split('\n'), function parser(line) {
                    i = line.indexOf(':');
                    key = utils.trim(line.substr(0, i)).toLowerCase();
                    val = utils.trim(line.substr(i + 1));

                    if (key) {
                        if (parsed[key] && ignoreDuplicateOf.indexOf(key) >= 0) {
                            return;
                        }
                        if (key === 'set-cookie') {
                            parsed[key] = (parsed[key] ? parsed[key] : []).concat([val]);
                        } else {
                            parsed[key] = parsed[key] ? parsed[key] + ', ' + val : val;
                        }
                    }
                });

                return parsed;
            };


            /***/ }),
        /* 18 */
        /***/ (function(module, exports, __webpack_require__) {

            'use strict';

            var utils = __webpack_require__(2);

            module.exports = (
                utils.isStandardBrowserEnv() ?

                    // Standard browser envs have full support of the APIs needed to test
                    // whether the request URL is of the same origin as current location.
                    (function standardBrowserEnv() {
                        var msie = /(msie|trident)/i.test(navigator.userAgent);
                        var urlParsingNode = document.createElement('a');
                        var originURL;

                        /**
                         * Parse a URL to discover it's components
                         *
                         * @param {String} url The URL to be parsed
                         * @returns {Object}
                         */
                        function resolveURL(url) {
                            var href = url;

                            if (msie) {
                                // IE needs attribute set twice to normalize properties
                                urlParsingNode.setAttribute('href', href);
                                href = urlParsingNode.href;
                            }

                            urlParsingNode.setAttribute('href', href);

                            // urlParsingNode provides the UrlUtils interface - http://url.spec.whatwg.org/#urlutils
                            return {
                                href: urlParsingNode.href,
                                protocol: urlParsingNode.protocol ? urlParsingNode.protocol.replace(/:$/, '') : '',
                                host: urlParsingNode.host,
                                search: urlParsingNode.search ? urlParsingNode.search.replace(/^\?/, '') : '',
                                hash: urlParsingNode.hash ? urlParsingNode.hash.replace(/^#/, '') : '',
                                hostname: urlParsingNode.hostname,
                                port: urlParsingNode.port,
                                pathname: (urlParsingNode.pathname.charAt(0) === '/') ?
                                    urlParsingNode.pathname :
                                    '/' + urlParsingNode.pathname
                            };
                        }

                        originURL = resolveURL(window.location.href);

                        /**
                         * Determine if a URL shares the same origin as the current location
                         *
                         * @param {String} requestURL The URL to test
                         * @returns {boolean} True if URL shares the same origin, otherwise false
                         */
                        return function isURLSameOrigin(requestURL) {
                            var parsed = (utils.isString(requestURL)) ? resolveURL(requestURL) : requestURL;
                            return (parsed.protocol === originURL.protocol &&
                                parsed.host === originURL.host);
                        };
                    })() :

                    // Non standard browser envs (web workers, react-native) lack needed support.
                    (function nonStandardBrowserEnv() {
                        return function isURLSameOrigin() {
                            return true;
                        };
                    })()
            );


            /***/ }),
        /* 19 */
        /***/ (function(module, exports, __webpack_require__) {

            'use strict';

            var utils = __webpack_require__(2);

            module.exports = (
                utils.isStandardBrowserEnv() ?

                    // Standard browser envs support document.cookie
                    (function standardBrowserEnv() {
                        return {
                            write: function write(name, value, expires, path, domain, secure) {
                                var cookie = [];
                                cookie.push(name + '=' + encodeURIComponent(value));

                                if (utils.isNumber(expires)) {
                                    cookie.push('expires=' + new Date(expires).toGMTString());
                                }

                                if (utils.isString(path)) {
                                    cookie.push('path=' + path);
                                }

                                if (utils.isString(domain)) {
                                    cookie.push('domain=' + domain);
                                }

                                if (secure === true) {
                                    cookie.push('secure');
                                }

                                document.cookie = cookie.join('; ');
                            },

                            read: function read(name) {
                                var match = document.cookie.match(new RegExp('(^|;\\s*)(' + name + ')=([^;]*)'));
                                return (match ? decodeURIComponent(match[3]) : null);
                            },

                            remove: function remove(name) {
                                this.write(name, '', Date.now() - 86400000);
                            }
                        };
                    })() :

                    // Non standard browser env (web workers, react-native) lack needed support.
                    (function nonStandardBrowserEnv() {
                        return {
                            write: function write() {},
                            read: function read() { return null; },
                            remove: function remove() {}
                        };
                    })()
            );


            /***/ }),
        /* 20 */
        /***/ (function(module, exports) {

            'use strict';

            /**
             * Determines whether the specified URL is absolute
             *
             * @param {string} url The URL to test
             * @returns {boolean} True if the specified URL is absolute, otherwise false
             */
            module.exports = function isAbsoluteURL(url) {
                // A URL is considered absolute if it begins with "<scheme>://" or "//" (protocol-relative URL).
                // RFC 3986 defines scheme name as a sequence of characters beginning with a letter and followed
                // by any combination of letters, digits, plus, period, or hyphen.
                return /^([a-z][a-z\d\+\-\.]*:)?\/\//i.test(url);
            };


            /***/ }),
        /* 21 */
        /***/ (function(module, exports) {

            'use strict';

            /**
             * Creates a new URL by combining the specified URLs
             *
             * @param {string} baseURL The base URL
             * @param {string} relativeURL The relative URL
             * @returns {string} The combined URL
             */
            module.exports = function combineURLs(baseURL, relativeURL) {
                return relativeURL
                    ? baseURL.replace(/\/+$/, '') + '/' + relativeURL.replace(/^\/+/, '')
                    : baseURL;
            };


            /***/ }),
        /* 22 */
        /***/ (function(module, exports, __webpack_require__) {

            'use strict';

            var utils = __webpack_require__(2);

            /**
             * Config-specific merge-function which creates a new config-object
             * by merging two configuration objects together.
             *
             * @param {Object} config1
             * @param {Object} config2
             * @returns {Object} New object resulting from merging config2 to config1
             */
            module.exports = function mergeConfig(config1, config2) {
                // eslint-disable-next-line no-param-reassign
                config2 = config2 || {};
                var config = {};

                utils.forEach(['url', 'method', 'params', 'data'], function valueFromConfig2(prop) {
                    if (typeof config2[prop] !== 'undefined') {
                        config[prop] = config2[prop];
                    }
                });

                utils.forEach(['headers', 'auth', 'proxy'], function mergeDeepProperties(prop) {
                    if (utils.isObject(config2[prop])) {
                        config[prop] = utils.deepMerge(config1[prop], config2[prop]);
                    } else if (typeof config2[prop] !== 'undefined') {
                        config[prop] = config2[prop];
                    } else if (utils.isObject(config1[prop])) {
                        config[prop] = utils.deepMerge(config1[prop]);
                    } else if (typeof config1[prop] !== 'undefined') {
                        config[prop] = config1[prop];
                    }
                });

                utils.forEach([
                    'baseURL', 'transformRequest', 'transformResponse', 'paramsSerializer',
                    'timeout', 'withCredentials', 'adapter', 'responseType', 'xsrfCookieName',
                    'xsrfHeaderName', 'onUploadProgress', 'onDownloadProgress', 'maxContentLength',
                    'validateStatus', 'maxRedirects', 'httpAgent', 'httpsAgent', 'cancelToken',
                    'socketPath'
                ], function defaultToConfig2(prop) {
                    if (typeof config2[prop] !== 'undefined') {
                        config[prop] = config2[prop];
                    } else if (typeof config1[prop] !== 'undefined') {
                        config[prop] = config1[prop];
                    }
                });

                return config;
            };


            /***/ }),
        /* 23 */
        /***/ (function(module, exports) {

            'use strict';

            /**
             * A `Cancel` is an object that is thrown when an operation is canceled.
             *
             * @class
             * @param {string=} message The message.
             */
            function Cancel(message) {
                this.message = message;
            }

            Cancel.prototype.toString = function toString() {
                return 'Cancel' + (this.message ? ': ' + this.message : '');
            };

            Cancel.prototype.__CANCEL__ = true;

            module.exports = Cancel;


            /***/ }),
        /* 24 */
        /***/ (function(module, exports, __webpack_require__) {

            'use strict';

            var Cancel = __webpack_require__(23);

            /**
             * A `CancelToken` is an object that can be used to request cancellation of an operation.
             *
             * @class
             * @param {Function} executor The executor function.
             */
            function CancelToken(executor) {
                if (typeof executor !== 'function') {
                    throw new TypeError('executor must be a function.');
                }

                var resolvePromise;
                this.promise = new Promise(function promiseExecutor(resolve) {
                    resolvePromise = resolve;
                });

                var token = this;
                executor(function cancel(message) {
                    if (token.reason) {
                        // Cancellation has already been requested
                        return;
                    }

                    token.reason = new Cancel(message);
                    resolvePromise(token.reason);
                });
            }

            /**
             * Throws a `Cancel` if cancellation has been requested.
             */
            CancelToken.prototype.throwIfRequested = function throwIfRequested() {
                if (this.reason) {
                    throw this.reason;
                }
            };

            /**
             * Returns an object that contains a new `CancelToken` and a function that, when called,
             * cancels the `CancelToken`.
             */
            CancelToken.source = function source() {
                var cancel;
                var token = new CancelToken(function executor(c) {
                    cancel = c;
                });
                return {
                    token: token,
                    cancel: cancel
                };
            };

            module.exports = CancelToken;


            /***/ }),
        /* 25 */
        /***/ (function(module, exports) {

            'use strict';

            /**
             * Syntactic sugar for invoking a function and expanding an array for arguments.
             *
             * Common use case would be to use `Function.prototype.apply`.
             *
             *  ```js
             *  function f(x, y, z) {}
             *  var args = [1, 2, 3];
             *  f.apply(null, args);
             *  ```
             *
             * With `spread` this example can be re-written.
             *
             *  ```js
             *  spread(function(x, y, z) {})([1, 2, 3]);
             *  ```
             *
             * @param {Function} callback
             * @returns {Function}
             */
            module.exports = function spread(callback) {
                return function wrap(arr) {
                    return callback.apply(null, arr);
                };
            };


            /***/ })
        /******/ ])
});
;
//# sourceMappingURL=axios.map
/*!
 * vue-textarea-autosize v1.1.1 
 * (c) 2019 Saymon
 * Released under the MIT License.
 */
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/**
  * vee-validate v2.1.0-beta.6
  * (c) 2018 Abdelrahman Awad
  * @license MIT
  */
(function (global, factory) {
  typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() :
  typeof define === 'function' && define.amd ? define(factory) :
  (global.VeeValidate = factory());
}(this, (function () { 'use strict';

  var MILLISECONDS_IN_HOUR = 3600000;
  var MILLISECONDS_IN_MINUTE = 60000;
  var DEFAULT_ADDITIONAL_DIGITS = 2;

  var patterns = {
    dateTimeDelimeter: /[T ]/,
    plainTime: /:/,

    // year tokens
    YY: /^(\d{2})$/,
    YYY: [
      /^([+-]\d{2})$/, // 0 additional digits
      /^([+-]\d{3})$/, // 1 additional digit
      /^([+-]\d{4})$/ // 2 additional digits
    ],
    YYYY: /^(\d{4})/,
    YYYYY: [
      /^([+-]\d{4})/, // 0 additional digits
      /^([+-]\d{5})/, // 1 additional digit
      /^([+-]\d{6})/ // 2 additional digits
    ],

    // date tokens
    MM: /^-(\d{2})$/,
    DDD: /^-?(\d{3})$/,
    MMDD: /^-?(\d{2})-?(\d{2})$/,
    Www: /^-?W(\d{2})$/,
    WwwD: /^-?W(\d{2})-?(\d{1})$/,

    HH: /^(\d{2}([.,]\d*)?)$/,
    HHMM: /^(\d{2}):?(\d{2}([.,]\d*)?)$/,
    HHMMSS: /^(\d{2}):?(\d{2}):?(\d{2}([.,]\d*)?)$/,

    // timezone tokens
    timezone: /([Z+-].*)$/,
    timezoneZ: /^(Z)$/,
    timezoneHH: /^([+-])(\d{2})$/,
    timezoneHHMM: /^([+-])(\d{2}):?(\d{2})$/
  };

  /**
   * @name toDate
   * @category Common Helpers
   * @summary Convert the given argument to an instance of Date.
   *
   * @description
   * Convert the given argument to an instance of Date.
   *
   * If the argument is an instance of Date, the function returns its clone.
   *
   * If the argument is a number, it is treated as a timestamp.
   *
   * If an argument is a string, the function tries to parse it.
   * Function accepts complete ISO 8601 formats as well as partial implementations.
   * ISO 8601: http://en.wikipedia.org/wiki/ISO_8601
   *
   * If the argument is null, it is treated as an invalid date.
   *
   * If all above fails, the function passes the given argument to Date constructor.
   *
   * **Note**: *all* Date arguments passed to any *date-fns* function is processed by `toDate`.
   * All *date-fns* functions will throw `RangeError` if `options.additionalDigits` is not 0, 1, 2 or undefined.
   *
   * @param {*} argument - the value to convert
   * @param {Options} [options] - the object with options. See [Options]{@link https://date-fns.org/docs/Options}
   * @param {0|1|2} [options.additionalDigits=2] - the additional number of digits in the extended year format
   * @returns {Date} the parsed date in the local time zone
   * @throws {TypeError} 1 argument required
   * @throws {RangeError} `options.additionalDigits` must be 0, 1 or 2
   *
   * @example
   * // Convert string '2014-02-11T11:30:30' to date:
   * var result = toDate('2014-02-11T11:30:30')
   * //=> Tue Feb 11 2014 11:30:30
   *
   * @example
   * // Convert string '+02014101' to date,
   * // if the additional number of digits in the extended year format is 1:
   * var result = toDate('+02014101', {additionalDigits: 1})
   * //=> Fri Apr 11 2014 00:00:00
   */
  function toDate (argument, dirtyOptions) {
    if (arguments.length < 1) {
      throw new TypeError('1 argument required, but only ' + arguments.length + ' present')
    }

    if (argument === null) {
      return new Date(NaN)
    }

    var options = dirtyOptions || {};

    var additionalDigits = options.additionalDigits === undefined ? DEFAULT_ADDITIONAL_DIGITS : Number(options.additionalDigits);
    if (additionalDigits !== 2 && additionalDigits !== 1 && additionalDigits !== 0) {
      throw new RangeError('additionalDigits must be 0, 1 or 2')
    }

    // Clone the date
    if (argument instanceof Date) {
      // Prevent the date to lose the milliseconds when passed to new Date() in IE10
      return new Date(argument.getTime())
    } else if (typeof argument !== 'string') {
      return new Date(argument)
    }

    var dateStrings = splitDateString(argument);

    var parseYearResult = parseYear(dateStrings.date, additionalDigits);
    var year = parseYearResult.year;
    var restDateString = parseYearResult.restDateString;

    var date = parseDate(restDateString, year);

    if (date) {
      var timestamp = date.getTime();
      var time = 0;
      var offset;

      if (dateStrings.time) {
        time = parseTime(dateStrings.time);
      }

      if (dateStrings.timezone) {
        offset = parseTimezone(dateStrings.timezone);
      } else {
        // get offset accurate to hour in timezones that change offset
        offset = new Date(timestamp + time).getTimezoneOffset();
        offset = new Date(timestamp + time + offset * MILLISECONDS_IN_MINUTE).getTimezoneOffset();
      }

      return new Date(timestamp + time + offset * MILLISECONDS_IN_MINUTE)
    } else {
      return new Date(argument)
    }
  }

  function splitDateString (dateString) {
    var dateStrings = {};
    var array = dateString.split(patterns.dateTimeDelimeter);
    var timeString;

    if (patterns.plainTime.test(array[0])) {
      dateStrings.date = null;
      timeString = array[0];
    } else {
      dateStrings.date = array[0];
      timeString = array[1];
    }

    if (timeString) {
      var token = patterns.timezone.exec(timeString);
      if (token) {
        dateStrings.time = timeString.replace(token[1], '');
        dateStrings.timezone = token[1];
      } else {
        dateStrings.time = timeString;
      }
    }

    return dateStrings
  }

  function parseYear (dateString, additionalDigits) {
    var patternYYY = patterns.YYY[additionalDigits];
    var patternYYYYY = patterns.YYYYY[additionalDigits];

    var token;

    // YYYY or ±YYYYY
    token = patterns.YYYY.exec(dateString) || patternYYYYY.exec(dateString);
    if (token) {
      var yearString = token[1];
      return {
        year: parseInt(yearString, 10),
        restDateString: dateString.slice(yearString.length)
      }
    }

    // YY or ±YYY
    token = patterns.YY.exec(dateString) || patternYYY.exec(dateString);
    if (token) {
      var centuryString = token[1];
      return {
        year: parseInt(centuryString, 10) * 100,
        restDateString: dateString.slice(centuryString.length)
      }
    }

    // Invalid ISO-formatted year
    return {
      year: null
    }
  }

  function parseDate (dateString, year) {
    // Invalid ISO-formatted year
    if (year === null) {
      return null
    }

    var token;
    var date;
    var month;
    var week;

    // YYYY
    if (dateString.length === 0) {
      date = new Date(0);
      date.setUTCFullYear(year);
      return date
    }

    // YYYY-MM
    token = patterns.MM.exec(dateString);
    if (token) {
      date = new Date(0);
      month = parseInt(token[1], 10) - 1;
      date.setUTCFullYear(year, month);
      return date
    }

    // YYYY-DDD or YYYYDDD
    token = patterns.DDD.exec(dateString);
    if (token) {
      date = new Date(0);
      var dayOfYear = parseInt(token[1], 10);
      date.setUTCFullYear(year, 0, dayOfYear);
      return date
    }

    // YYYY-MM-DD or YYYYMMDD
    token = patterns.MMDD.exec(dateString);
    if (token) {
      date = new Date(0);
      month = parseInt(token[1], 10) - 1;
      var day = parseInt(token[2], 10);
      date.setUTCFullYear(year, month, day);
      return date
    }

    // YYYY-Www or YYYYWww
    token = patterns.Www.exec(dateString);
    if (token) {
      week = parseInt(token[1], 10) - 1;
      return dayOfISOYear(year, week)
    }

    // YYYY-Www-D or YYYYWwwD
    token = patterns.WwwD.exec(dateString);
    if (token) {
      week = parseInt(token[1], 10) - 1;
      var dayOfWeek = parseInt(token[2], 10) - 1;
      return dayOfISOYear(year, week, dayOfWeek)
    }

    // Invalid ISO-formatted date
    return null
  }

  function parseTime (timeString) {
    var token;
    var hours;
    var minutes;

    // hh
    token = patterns.HH.exec(timeString);
    if (token) {
      hours = parseFloat(token[1].replace(',', '.'));
      return (hours % 24) * MILLISECONDS_IN_HOUR
    }

    // hh:mm or hhmm
    token = patterns.HHMM.exec(timeString);
    if (token) {
      hours = parseInt(token[1], 10);
      minutes = parseFloat(token[2].replace(',', '.'));
      return (hours % 24) * MILLISECONDS_IN_HOUR +
        minutes * MILLISECONDS_IN_MINUTE
    }

    // hh:mm:ss or hhmmss
    token = patterns.HHMMSS.exec(timeString);
    if (token) {
      hours = parseInt(token[1], 10);
      minutes = parseInt(token[2], 10);
      var seconds = parseFloat(token[3].replace(',', '.'));
      return (hours % 24) * MILLISECONDS_IN_HOUR +
        minutes * MILLISECONDS_IN_MINUTE +
        seconds * 1000
    }

    // Invalid ISO-formatted time
    return null
  }

  function parseTimezone (timezoneString) {
    var token;
    var absoluteOffset;

    // Z
    token = patterns.timezoneZ.exec(timezoneString);
    if (token) {
      return 0
    }

    // ±hh
    token = patterns.timezoneHH.exec(timezoneString);
    if (token) {
      absoluteOffset = parseInt(token[2], 10) * 60;
      return (token[1] === '+') ? -absoluteOffset : absoluteOffset
    }

    // ±hh:mm or ±hhmm
    token = patterns.timezoneHHMM.exec(timezoneString);
    if (token) {
      absoluteOffset = parseInt(token[2], 10) * 60 + parseInt(token[3], 10);
      return (token[1] === '+') ? -absoluteOffset : absoluteOffset
    }

    return 0
  }

  function dayOfISOYear (isoYear, week, day) {
    week = week || 0;
    day = day || 0;
    var date = new Date(0);
    date.setUTCFullYear(isoYear, 0, 4);
    var fourthOfJanuaryDay = date.getUTCDay() || 7;
    var diff = week * 7 + day + 1 - fourthOfJanuaryDay;
    date.setUTCDate(date.getUTCDate() + diff);
    return date
  }

  /**
   * @name addMilliseconds
   * @category Millisecond Helpers
   * @summary Add the specified number of milliseconds to the given date.
   *
   * @description
   * Add the specified number of milliseconds to the given date.
   *
   * @param {Date|String|Number} date - the date to be changed
   * @param {Number} amount - the amount of milliseconds to be added
   * @param {Options} [options] - the object with options. See [Options]{@link https://date-fns.org/docs/Options}
   * @param {0|1|2} [options.additionalDigits=2] - passed to `toDate`. See [toDate]{@link https://date-fns.org/docs/toDate}
   * @returns {Date} the new date with the milliseconds added
   * @throws {TypeError} 2 arguments required
   * @throws {RangeError} `options.additionalDigits` must be 0, 1 or 2
   *
   * @example
   * // Add 750 milliseconds to 10 July 2014 12:45:30.000:
   * var result = addMilliseconds(new Date(2014, 6, 10, 12, 45, 30, 0), 750)
   * //=> Thu Jul 10 2014 12:45:30.750
   */
  function addMilliseconds (dirtyDate, dirtyAmount, dirtyOptions) {
    if (arguments.length < 2) {
      throw new TypeError('2 arguments required, but only ' + arguments.length + ' present')
    }

    var timestamp = toDate(dirtyDate, dirtyOptions).getTime();
    var amount = Number(dirtyAmount);
    return new Date(timestamp + amount)
  }

  function cloneObject (dirtyObject) {
    dirtyObject = dirtyObject || {};
    var object = {};

    for (var property in dirtyObject) {
      if (dirtyObject.hasOwnProperty(property)) {
        object[property] = dirtyObject[property];
      }
    }

    return object
  }

  var MILLISECONDS_IN_MINUTE$2 = 60000;

  /**
   * @name addMinutes
   * @category Minute Helpers
   * @summary Add the specified number of minutes to the given date.
   *
   * @description
   * Add the specified number of minutes to the given date.
   *
   * @param {Date|String|Number} date - the date to be changed
   * @param {Number} amount - the amount of minutes to be added
   * @param {Options} [options] - the object with options. See [Options]{@link https://date-fns.org/docs/Options}
   * @param {0|1|2} [options.additionalDigits=2] - passed to `toDate`. See [toDate]{@link https://date-fns.org/docs/toDate}
   * @returns {Date} the new date with the minutes added
   * @throws {TypeError} 2 arguments required
   * @throws {RangeError} `options.additionalDigits` must be 0, 1 or 2
   *
   * @example
   * // Add 30 minutes to 10 July 2014 12:00:00:
   * var result = addMinutes(new Date(2014, 6, 10, 12, 0), 30)
   * //=> Thu Jul 10 2014 12:30:00
   */
  function addMinutes (dirtyDate, dirtyAmount, dirtyOptions) {
    if (arguments.length < 2) {
      throw new TypeError('2 arguments required, but only ' + arguments.length + ' present')
    }

    var amount = Number(dirtyAmount);
    return addMilliseconds(dirtyDate, amount * MILLISECONDS_IN_MINUTE$2, dirtyOptions)
  }

  /**
   * @name isValid
   * @category Common Helpers
   * @summary Is the given date valid?
   *
   * @description
   * Returns false if argument is Invalid Date and true otherwise.
   * Argument is converted to Date using `toDate`. See [toDate]{@link https://date-fns.org/docs/toDate}
   * Invalid Date is a Date, whose time value is NaN.
   *
   * Time value of Date: http://es5.github.io/#x15.9.1.1
   *
   * @param {*} date - the date to check
   * @param {Options} [options] - the object with options. See [Options]{@link https://date-fns.org/docs/Options}
   * @param {0|1|2} [options.additionalDigits=2] - passed to `toDate`. See [toDate]{@link https://date-fns.org/docs/toDate}
   * @returns {Boolean} the date is valid
   * @throws {TypeError} 1 argument required
   * @throws {RangeError} `options.additionalDigits` must be 0, 1 or 2
   *
   * @example
   * // For the valid date:
   * var result = isValid(new Date(2014, 1, 31))
   * //=> true
   *
   * @example
   * // For the value, convertable into a date:
   * var result = isValid('2014-02-31')
   * //=> true
   *
   * @example
   * // For the invalid date:
   * var result = isValid(new Date(''))
   * //=> false
   */
  function isValid (dirtyDate, dirtyOptions) {
    if (arguments.length < 1) {
      throw new TypeError('1 argument required, but only ' + arguments.length + ' present')
    }

    var date = toDate(dirtyDate, dirtyOptions);
    return !isNaN(date)
  }

  var formatDistanceLocale = {
    lessThanXSeconds: {
      one: 'less than a second',
      other: 'less than {{count}} seconds'
    },

    xSeconds: {
      one: '1 second',
      other: '{{count}} seconds'
    },

    halfAMinute: 'half a minute',

    lessThanXMinutes: {
      one: 'less than a minute',
      other: 'less than {{count}} minutes'
    },

    xMinutes: {
      one: '1 minute',
      other: '{{count}} minutes'
    },

    aboutXHours: {
      one: 'about 1 hour',
      other: 'about {{count}} hours'
    },

    xHours: {
      one: '1 hour',
      other: '{{count}} hours'
    },

    xDays: {
      one: '1 day',
      other: '{{count}} days'
    },

    aboutXMonths: {
      one: 'about 1 month',
      other: 'about {{count}} months'
    },

    xMonths: {
      one: '1 month',
      other: '{{count}} months'
    },

    aboutXYears: {
      one: 'about 1 year',
      other: 'about {{count}} years'
    },

    xYears: {
      one: '1 year',
      other: '{{count}} years'
    },

    overXYears: {
      one: 'over 1 year',
      other: 'over {{count}} years'
    },

    almostXYears: {
      one: 'almost 1 year',
      other: 'almost {{count}} years'
    }
  };

  function formatDistance (token, count, options) {
    options = options || {};

    var result;
    if (typeof formatDistanceLocale[token] === 'string') {
      result = formatDistanceLocale[token];
    } else if (count === 1) {
      result = formatDistanceLocale[token].one;
    } else {
      result = formatDistanceLocale[token].other.replace('{{count}}', count);
    }

    if (options.addSuffix) {
      if (options.comparison > 0) {
        return 'in ' + result
      } else {
        return result + ' ago'
      }
    }

    return result
  }

  var tokensToBeShortedPattern = /MMMM|MM|DD|dddd/g;

  function buildShortLongFormat (format) {
    return format.replace(tokensToBeShortedPattern, function (token) {
      return token.slice(1)
    })
  }

  /**
   * @name buildFormatLongFn
   * @category Locale Helpers
   * @summary Build `formatLong` property for locale used by `format`, `formatRelative` and `parse` functions.
   *
   * @description
   * Build `formatLong` property for locale used by `format`, `formatRelative` and `parse` functions.
   * Returns a function which takes one of the following tokens as the argument:
   * `'LTS'`, `'LT'`, `'L'`, `'LL'`, `'LLL'`, `'l'`, `'ll'`, `'lll'`, `'llll'`
   * and returns a long format string written as `format` token strings.
   * See [format]{@link https://date-fns.org/docs/format}
   *
   * `'l'`, `'ll'`, `'lll'` and `'llll'` formats are built automatically
   * by shortening some of the tokens from corresponding unshortened formats
   * (e.g., if `LL` is `'MMMM DD YYYY'` then `ll` will be `MMM D YYYY`)
   *
   * @param {Object} obj - the object with long formats written as `format` token strings
   * @param {String} obj.LT - time format: hours and minutes
   * @param {String} obj.LTS - time format: hours, minutes and seconds
   * @param {String} obj.L - short date format: numeric day, month and year
   * @param {String} [obj.l] - short date format: numeric day, month and year (shortened)
   * @param {String} obj.LL - long date format: day, month in words, and year
   * @param {String} [obj.ll] - long date format: day, month in words, and year (shortened)
   * @param {String} obj.LLL - long date and time format
   * @param {String} [obj.lll] - long date and time format (shortened)
   * @param {String} obj.LLLL - long date, time and weekday format
   * @param {String} [obj.llll] - long date, time and weekday format (shortened)
   * @returns {Function} `formatLong` property of the locale
   *
   * @example
   * // For `en-US` locale:
   * locale.formatLong = buildFormatLongFn({
   *   LT: 'h:mm aa',
   *   LTS: 'h:mm:ss aa',
   *   L: 'MM/DD/YYYY',
   *   LL: 'MMMM D YYYY',
   *   LLL: 'MMMM D YYYY h:mm aa',
   *   LLLL: 'dddd, MMMM D YYYY h:mm aa'
   * })
   */
  function buildFormatLongFn (obj) {
    var formatLongLocale = {
      LTS: obj.LTS,
      LT: obj.LT,
      L: obj.L,
      LL: obj.LL,
      LLL: obj.LLL,
      LLLL: obj.LLLL,
      l: obj.l || buildShortLongFormat(obj.L),
      ll: obj.ll || buildShortLongFormat(obj.LL),
      lll: obj.lll || buildShortLongFormat(obj.LLL),
      llll: obj.llll || buildShortLongFormat(obj.LLLL)
    };

    return function (token) {
      return formatLongLocale[token]
    }
  }

  var formatLong = buildFormatLongFn({
    LT: 'h:mm aa',
    LTS: 'h:mm:ss aa',
    L: 'MM/DD/YYYY',
    LL: 'MMMM D YYYY',
    LLL: 'MMMM D YYYY h:mm aa',
    LLLL: 'dddd, MMMM D YYYY h:mm aa'
  });

  var formatRelativeLocale = {
    lastWeek: '[last] dddd [at] LT',
    yesterday: '[yesterday at] LT',
    today: '[today at] LT',
    tomorrow: '[tomorrow at] LT',
    nextWeek: 'dddd [at] LT',
    other: 'L'
  };

  function formatRelative (token, date, baseDate, options) {
    return formatRelativeLocale[token]
  }

  /**
   * @name buildLocalizeFn
   * @category Locale Helpers
   * @summary Build `localize.weekday`, `localize.month` and `localize.timeOfDay` properties for the locale.
   *
   * @description
   * Build `localize.weekday`, `localize.month` and `localize.timeOfDay` properties for the locale
   * used by `format` function.
   * If no `type` is supplied to the options of the resulting function, `defaultType` will be used (see example).
   *
   * `localize.weekday` function takes the weekday index as argument (0 - Sunday).
   * `localize.month` takes the month index (0 - January).
   * `localize.timeOfDay` takes the hours. Use `indexCallback` to convert them to an array index (see example).
   *
   * @param {Object} values - the object with arrays of values
   * @param {String} defaultType - the default type for the localize function
   * @param {Function} [indexCallback] - the callback which takes the resulting function argument
   *   and converts it into value array index
   * @returns {Function} the resulting function
   *
   * @example
   * var timeOfDayValues = {
   *   uppercase: ['AM', 'PM'],
   *   lowercase: ['am', 'pm'],
   *   long: ['a.m.', 'p.m.']
   * }
   * locale.localize.timeOfDay = buildLocalizeFn(timeOfDayValues, 'long', function (hours) {
   *   // 0 is a.m. array index, 1 is p.m. array index
   *   return (hours / 12) >= 1 ? 1 : 0
   * })
   * locale.localize.timeOfDay(16, {type: 'uppercase'}) //=> 'PM'
   * locale.localize.timeOfDay(5) //=> 'a.m.'
   */
  function buildLocalizeFn (values, defaultType, indexCallback) {
    return function (dirtyIndex, dirtyOptions) {
      var options = dirtyOptions || {};
      var type = options.type ? String(options.type) : defaultType;
      var valuesArray = values[type] || values[defaultType];
      var index = indexCallback ? indexCallback(Number(dirtyIndex)) : Number(dirtyIndex);
      return valuesArray[index]
    }
  }

  /**
   * @name buildLocalizeArrayFn
   * @category Locale Helpers
   * @summary Build `localize.weekdays`, `localize.months` and `localize.timesOfDay` properties for the locale.
   *
   * @description
   * Build `localize.weekdays`, `localize.months` and `localize.timesOfDay` properties for the locale.
   * If no `type` is supplied to the options of the resulting function, `defaultType` will be used (see example).
   *
   * @param {Object} values - the object with arrays of values
   * @param {String} defaultType - the default type for the localize function
   * @returns {Function} the resulting function
   *
   * @example
   * var weekdayValues = {
   *   narrow: ['Su', 'Mo', 'Tu', 'We', 'Th', 'Fr', 'Sa'],
   *   short: ['Sun', 'Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat'],
   *   long: ['Sunday', 'Monday', 'Tuesday', 'Wednesday', 'Thursday', 'Friday', 'Saturday']
   * }
   * locale.localize.weekdays = buildLocalizeArrayFn(weekdayValues, 'long')
   * locale.localize.weekdays({type: 'narrow'}) //=> ['Su', 'Mo', ...]
   * locale.localize.weekdays() //=> ['Sunday', 'Monday', ...]
   */
  function buildLocalizeArrayFn (values, defaultType) {
    return function (dirtyOptions) {
      var options = dirtyOptions || {};
      var type = options.type ? String(options.type) : defaultType;
      return values[type] || values[defaultType]
    }
  }

  // Note: in English, the names of days of the week and months are capitalized.
  // If you are making a new locale based on this one, check if the same is true for the language you're working on.
  // Generally, formatted dates should look like they are in the middle of a sentence,
  // e.g. in Spanish language the weekdays and months should be in the lowercase.
  var weekdayValues = {
    narrow: ['Su', 'Mo', 'Tu', 'We', 'Th', 'Fr', 'Sa'],
    short: ['Sun', 'Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat'],
    long: ['Sunday', 'Monday', 'Tuesday', 'Wednesday', 'Thursday', 'Friday', 'Saturday']
  };

  var monthValues = {
    short: ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec'],
    long: ['January', 'February', 'March', 'April', 'May', 'June', 'July', 'August', 'September', 'October', 'November', 'December']
  };

  // `timeOfDay` is used to designate which part of the day it is, when used with 12-hour clock.
  // Use the system which is used the most commonly in the locale.
  // For example, if the country doesn't use a.m./p.m., you can use `night`/`morning`/`afternoon`/`evening`:
  //
  //   var timeOfDayValues = {
  //     any: ['in the night', 'in the morning', 'in the afternoon', 'in the evening']
  //   }
  //
  // And later:
  //
  //   var localize = {
  //     // The callback takes the hours as the argument and returns the array index
  //     timeOfDay: buildLocalizeFn(timeOfDayValues, 'any', function (hours) {
  //       if (hours >= 17) {
  //         return 3
  //       } else if (hours >= 12) {
  //         return 2
  //       } else if (hours >= 4) {
  //         return 1
  //       } else {
  //         return 0
  //       }
  //     }),
  //     timesOfDay: buildLocalizeArrayFn(timeOfDayValues, 'any')
  //   }
  var timeOfDayValues = {
    uppercase: ['AM', 'PM'],
    lowercase: ['am', 'pm'],
    long: ['a.m.', 'p.m.']
  };

  function ordinalNumber (dirtyNumber, dirtyOptions) {
    var number = Number(dirtyNumber);

    // If ordinal numbers depend on context, for example,
    // if they are different for different grammatical genders,
    // use `options.unit`:
    //
    //   var options = dirtyOptions || {}
    //   var unit = String(options.unit)
    //
    // where `unit` can be 'month', 'quarter', 'week', 'isoWeek', 'dayOfYear',
    // 'dayOfMonth' or 'dayOfWeek'

    var rem100 = number % 100;
    if (rem100 > 20 || rem100 < 10) {
      switch (rem100 % 10) {
        case 1:
          return number + 'st'
        case 2:
          return number + 'nd'
        case 3:
          return number + 'rd'
      }
    }
    return number + 'th'
  }

  var localize = {
    ordinalNumber: ordinalNumber,
    weekday: buildLocalizeFn(weekdayValues, 'long'),
    weekdays: buildLocalizeArrayFn(weekdayValues, 'long'),
    month: buildLocalizeFn(monthValues, 'long'),
    months: buildLocalizeArrayFn(monthValues, 'long'),
    timeOfDay: buildLocalizeFn(timeOfDayValues, 'long', function (hours) {
      return (hours / 12) >= 1 ? 1 : 0
    }),
    timesOfDay: buildLocalizeArrayFn(timeOfDayValues, 'long')
  };

  /**
   * @name buildMatchFn
   * @category Locale Helpers
   * @summary Build `match.weekdays`, `match.months` and `match.timesOfDay` properties for the locale.
   *
   * @description
   * Build `match.weekdays`, `match.months` and `match.timesOfDay` properties for the locale used by `parse` function.
   * If no `type` is supplied to the options of the resulting function, `defaultType` will be used (see example).
   * The result of the match function will be passed into corresponding parser function
   * (`match.weekday`, `match.month` or `match.timeOfDay` respectively. See `buildParseFn`).
   *
   * @param {Object} values - the object with RegExps
   * @param {String} defaultType - the default type for the match function
   * @returns {Function} the resulting function
   *
   * @example
   * var matchWeekdaysPatterns = {
   *   narrow: /^(su|mo|tu|we|th|fr|sa)/i,
   *   short: /^(sun|mon|tue|wed|thu|fri|sat)/i,
   *   long: /^(sunday|monday|tuesday|wednesday|thursday|friday|saturday)/i
   * }
   * locale.match.weekdays = buildMatchFn(matchWeekdaysPatterns, 'long')
   * locale.match.weekdays('Sunday', {type: 'narrow'}) //=> ['Su', 'Su', ...]
   * locale.match.weekdays('Sunday') //=> ['Sunday', 'Sunday', ...]
   */
  function buildMatchFn (patterns, defaultType) {
    return function (dirtyString, dirtyOptions) {
      var options = dirtyOptions || {};
      var type = options.type ? String(options.type) : defaultType;
      var pattern = patterns[type] || patterns[defaultType];
      var string = String(dirtyString);
      return string.match(pattern)
    }
  }

  /**
   * @name buildParseFn
   * @category Locale Helpers
   * @summary Build `match.weekday`, `match.month` and `match.timeOfDay` properties for the locale.
   *
   * @description
   * Build `match.weekday`, `match.month` and `match.timeOfDay` properties for the locale used by `parse` function.
   * The argument of the resulting function is the result of the corresponding match function
   * (`match.weekdays`, `match.months` or `match.timesOfDay` respectively. See `buildMatchFn`).
   *
   * @param {Object} values - the object with arrays of RegExps
   * @param {String} defaultType - the default type for the parser function
   * @returns {Function} the resulting function
   *
   * @example
   * var parseWeekdayPatterns = {
   *   any: [/^su/i, /^m/i, /^tu/i, /^w/i, /^th/i, /^f/i, /^sa/i]
   * }
   * locale.match.weekday = buildParseFn(matchWeekdaysPatterns, 'long')
   * var matchResult = locale.match.weekdays('Friday')
   * locale.match.weekday(matchResult) //=> 5
   */
  function buildParseFn (patterns, defaultType) {
    return function (matchResult, dirtyOptions) {
      var options = dirtyOptions || {};
      var type = options.type ? String(options.type) : defaultType;
      var patternsArray = patterns[type] || patterns[defaultType];
      var string = matchResult[1];

      return patternsArray.findIndex(function (pattern) {
        return pattern.test(string)
      })
    }
  }

  /**
   * @name buildMatchPatternFn
   * @category Locale Helpers
   * @summary Build match function from a single RegExp.
   *
   * @description
   * Build match function from a single RegExp.
   * Usually used for building `match.ordinalNumbers` property of the locale.
   *
   * @param {Object} pattern - the RegExp
   * @returns {Function} the resulting function
   *
   * @example
   * locale.match.ordinalNumbers = buildMatchPatternFn(/^(\d+)(th|st|nd|rd)?/i)
   * locale.match.ordinalNumbers('3rd') //=> ['3rd', '3', 'rd', ...]
   */
  function buildMatchPatternFn (pattern) {
    return function (dirtyString) {
      var string = String(dirtyString);
      return string.match(pattern)
    }
  }

  /**
   * @name parseDecimal
   * @category Locale Helpers
   * @summary Parses the match result into decimal number.
   *
   * @description
   * Parses the match result into decimal number.
   * Uses the string matched with the first set of parentheses of match RegExp.
   *
   * @param {Array} matchResult - the object returned by matching function
   * @returns {Number} the parsed value
   *
   * @example
   * locale.match = {
   *   ordinalNumbers: (dirtyString) {
   *     return String(dirtyString).match(/^(\d+)(th|st|nd|rd)?/i)
   *   },
   *   ordinalNumber: parseDecimal
   * }
   */
  function parseDecimal (matchResult) {
    return parseInt(matchResult[1], 10)
  }

  var matchOrdinalNumbersPattern = /^(\d+)(th|st|nd|rd)?/i;

  var matchWeekdaysPatterns = {
    narrow: /^(su|mo|tu|we|th|fr|sa)/i,
    short: /^(sun|mon|tue|wed|thu|fri|sat)/i,
    long: /^(sunday|monday|tuesday|wednesday|thursday|friday|saturday)/i
  };

  var parseWeekdayPatterns = {
    any: [/^su/i, /^m/i, /^tu/i, /^w/i, /^th/i, /^f/i, /^sa/i]
  };

  var matchMonthsPatterns = {
    short: /^(jan|feb|mar|apr|may|jun|jul|aug|sep|oct|nov|dec)/i,
    long: /^(january|february|march|april|may|june|july|august|september|october|november|december)/i
  };

  var parseMonthPatterns = {
    any: [/^ja/i, /^f/i, /^mar/i, /^ap/i, /^may/i, /^jun/i, /^jul/i, /^au/i, /^s/i, /^o/i, /^n/i, /^d/i]
  };

  // `timeOfDay` is used to designate which part of the day it is, when used with 12-hour clock.
  // Use the system which is used the most commonly in the locale.
  // For example, if the country doesn't use a.m./p.m., you can use `night`/`morning`/`afternoon`/`evening`:
  //
  //   var matchTimesOfDayPatterns = {
  //     long: /^((in the)? (night|morning|afternoon|evening?))/i
  //   }
  //
  //   var parseTimeOfDayPatterns = {
  //     any: [/(night|morning)/i, /(afternoon|evening)/i]
  //   }
  var matchTimesOfDayPatterns = {
    short: /^(am|pm)/i,
    long: /^([ap]\.?\s?m\.?)/i
  };

  var parseTimeOfDayPatterns = {
    any: [/^a/i, /^p/i]
  };

  var match = {
    ordinalNumbers: buildMatchPatternFn(matchOrdinalNumbersPattern),
    ordinalNumber: parseDecimal,
    weekdays: buildMatchFn(matchWeekdaysPatterns, 'long'),
    weekday: buildParseFn(parseWeekdayPatterns, 'any'),
    months: buildMatchFn(matchMonthsPatterns, 'long'),
    month: buildParseFn(parseMonthPatterns, 'any'),
    timesOfDay: buildMatchFn(matchTimesOfDayPatterns, 'long'),
    timeOfDay: buildParseFn(parseTimeOfDayPatterns, 'any')
  };

  /**
   * @type {Locale}
   * @category Locales
   * @summary English locale (United States).
   * @language English
   * @iso-639-2 eng
   */
  var locale = {
    formatDistance: formatDistance,
    formatLong: formatLong,
    formatRelative: formatRelative,
    localize: localize,
    match: match,
    options: {
      weekStartsOn: 0 /* Sunday */,
      firstWeekContainsDate: 1
    }
  };

  var MILLISECONDS_IN_DAY$1 = 86400000;

  // This function will be a part of public API when UTC function will be implemented.
  // See issue: https://github.com/date-fns/date-fns/issues/376
  function getUTCDayOfYear (dirtyDate, dirtyOptions) {
    var date = toDate(dirtyDate, dirtyOptions);
    var timestamp = date.getTime();
    date.setUTCMonth(0, 1);
    date.setUTCHours(0, 0, 0, 0);
    var startOfYearTimestamp = date.getTime();
    var difference = timestamp - startOfYearTimestamp;
    return Math.floor(difference / MILLISECONDS_IN_DAY$1) + 1
  }

  // This function will be a part of public API when UTC function will be implemented.
  // See issue: https://github.com/date-fns/date-fns/issues/376
  function startOfUTCISOWeek (dirtyDate, dirtyOptions) {
    var weekStartsOn = 1;

    var date = toDate(dirtyDate, dirtyOptions);
    var day = date.getUTCDay();
    var diff = (day < weekStartsOn ? 7 : 0) + day - weekStartsOn;

    date.setUTCDate(date.getUTCDate() - diff);
    date.setUTCHours(0, 0, 0, 0);
    return date
  }

  // This function will be a part of public API when UTC function will be implemented.
  // See issue: https://github.com/date-fns/date-fns/issues/376
  function getUTCISOWeekYear (dirtyDate, dirtyOptions) {
    var date = toDate(dirtyDate, dirtyOptions);
    var year = date.getUTCFullYear();

    var fourthOfJanuaryOfNextYear = new Date(0);
    fourthOfJanuaryOfNextYear.setUTCFullYear(year + 1, 0, 4);
    fourthOfJanuaryOfNextYear.setUTCHours(0, 0, 0, 0);
    var startOfNextYear = startOfUTCISOWeek(fourthOfJanuaryOfNextYear, dirtyOptions);

    var fourthOfJanuaryOfThisYear = new Date(0);
    fourthOfJanuaryOfThisYear.setUTCFullYear(year, 0, 4);
    fourthOfJanuaryOfThisYear.setUTCHours(0, 0, 0, 0);
    var startOfThisYear = startOfUTCISOWeek(fourthOfJanuaryOfThisYear, dirtyOptions);

    if (date.getTime() >= startOfNextYear.getTime()) {
      return year + 1
    } else if (date.getTime() >= startOfThisYear.getTime()) {
      return year
    } else {
      return year - 1
    }
  }

  // This function will be a part of public API when UTC function will be implemented.
  // See issue: https://github.com/date-fns/date-fns/issues/376
  function startOfUTCISOWeekYear (dirtyDate, dirtyOptions) {
    var year = getUTCISOWeekYear(dirtyDate, dirtyOptions);
    var fourthOfJanuary = new Date(0);
    fourthOfJanuary.setUTCFullYear(year, 0, 4);
    fourthOfJanuary.setUTCHours(0, 0, 0, 0);
    var date = startOfUTCISOWeek(fourthOfJanuary, dirtyOptions);
    return date
  }

  var MILLISECONDS_IN_WEEK$2 = 604800000;

  // This function will be a part of public API when UTC function will be implemented.
  // See issue: https://github.com/date-fns/date-fns/issues/376
  function getUTCISOWeek (dirtyDate, dirtyOptions) {
    var date = toDate(dirtyDate, dirtyOptions);
    var diff = startOfUTCISOWeek(date, dirtyOptions).getTime() - startOfUTCISOWeekYear(date, dirtyOptions).getTime();

    // Round the number of days to the nearest integer
    // because the number of milliseconds in a week is not constant
    // (e.g. it's different in the week of the daylight saving time clock shift)
    return Math.round(diff / MILLISECONDS_IN_WEEK$2) + 1
  }

  var formatters = {
    // Month: 1, 2, ..., 12
    'M': function (date) {
      return date.getUTCMonth() + 1
    },

    // Month: 1st, 2nd, ..., 12th
    'Mo': function (date, options) {
      var month = date.getUTCMonth() + 1;
      return options.locale.localize.ordinalNumber(month, {unit: 'month'})
    },

    // Month: 01, 02, ..., 12
    'MM': function (date) {
      return addLeadingZeros(date.getUTCMonth() + 1, 2)
    },

    // Month: Jan, Feb, ..., Dec
    'MMM': function (date, options) {
      return options.locale.localize.month(date.getUTCMonth(), {type: 'short'})
    },

    // Month: January, February, ..., December
    'MMMM': function (date, options) {
      return options.locale.localize.month(date.getUTCMonth(), {type: 'long'})
    },

    // Quarter: 1, 2, 3, 4
    'Q': function (date) {
      return Math.ceil((date.getUTCMonth() + 1) / 3)
    },

    // Quarter: 1st, 2nd, 3rd, 4th
    'Qo': function (date, options) {
      var quarter = Math.ceil((date.getUTCMonth() + 1) / 3);
      return options.locale.localize.ordinalNumber(quarter, {unit: 'quarter'})
    },

    // Day of month: 1, 2, ..., 31
    'D': function (date) {
      return date.getUTCDate()
    },

    // Day of month: 1st, 2nd, ..., 31st
    'Do': function (date, options) {
      return options.locale.localize.ordinalNumber(date.getUTCDate(), {unit: 'dayOfMonth'})
    },

    // Day of month: 01, 02, ..., 31
    'DD': function (date) {
      return addLeadingZeros(date.getUTCDate(), 2)
    },

    // Day of year: 1, 2, ..., 366
    'DDD': function (date) {
      return getUTCDayOfYear(date)
    },

    // Day of year: 1st, 2nd, ..., 366th
    'DDDo': function (date, options) {
      return options.locale.localize.ordinalNumber(getUTCDayOfYear(date), {unit: 'dayOfYear'})
    },

    // Day of year: 001, 002, ..., 366
    'DDDD': function (date) {
      return addLeadingZeros(getUTCDayOfYear(date), 3)
    },

    // Day of week: Su, Mo, ..., Sa
    'dd': function (date, options) {
      return options.locale.localize.weekday(date.getUTCDay(), {type: 'narrow'})
    },

    // Day of week: Sun, Mon, ..., Sat
    'ddd': function (date, options) {
      return options.locale.localize.weekday(date.getUTCDay(), {type: 'short'})
    },

    // Day of week: Sunday, Monday, ..., Saturday
    'dddd': function (date, options) {
      return options.locale.localize.weekday(date.getUTCDay(), {type: 'long'})
    },

    // Day of week: 0, 1, ..., 6
    'd': function (date) {
      return date.getUTCDay()
    },

    // Day of week: 0th, 1st, 2nd, ..., 6th
    'do': function (date, options) {
      return options.locale.localize.ordinalNumber(date.getUTCDay(), {unit: 'dayOfWeek'})
    },

    // Day of ISO week: 1, 2, ..., 7
    'E': function (date) {
      return date.getUTCDay() || 7
    },

    // ISO week: 1, 2, ..., 53
    'W': function (date) {
      return getUTCISOWeek(date)
    },

    // ISO week: 1st, 2nd, ..., 53th
    'Wo': function (date, options) {
      return options.locale.localize.ordinalNumber(getUTCISOWeek(date), {unit: 'isoWeek'})
    },

    // ISO week: 01, 02, ..., 53
    'WW': function (date) {
      return addLeadingZeros(getUTCISOWeek(date), 2)
    },

    // Year: 00, 01, ..., 99
    'YY': function (date) {
      return addLeadingZeros(date.getUTCFullYear(), 4).substr(2)
    },

    // Year: 1900, 1901, ..., 2099
    'YYYY': function (date) {
      return addLeadingZeros(date.getUTCFullYear(), 4)
    },

    // ISO week-numbering year: 00, 01, ..., 99
    'GG': function (date) {
      return String(getUTCISOWeekYear(date)).substr(2)
    },

    // ISO week-numbering year: 1900, 1901, ..., 2099
    'GGGG': function (date) {
      return getUTCISOWeekYear(date)
    },

    // Hour: 0, 1, ... 23
    'H': function (date) {
      return date.getUTCHours()
    },

    // Hour: 00, 01, ..., 23
    'HH': function (date) {
      return addLeadingZeros(date.getUTCHours(), 2)
    },

    // Hour: 1, 2, ..., 12
    'h': function (date) {
      var hours = date.getUTCHours();
      if (hours === 0) {
        return 12
      } else if (hours > 12) {
        return hours % 12
      } else {
        return hours
      }
    },

    // Hour: 01, 02, ..., 12
    'hh': function (date) {
      return addLeadingZeros(formatters['h'](date), 2)
    },

    // Minute: 0, 1, ..., 59
    'm': function (date) {
      return date.getUTCMinutes()
    },

    // Minute: 00, 01, ..., 59
    'mm': function (date) {
      return addLeadingZeros(date.getUTCMinutes(), 2)
    },

    // Second: 0, 1, ..., 59
    's': function (date) {
      return date.getUTCSeconds()
    },

    // Second: 00, 01, ..., 59
    'ss': function (date) {
      return addLeadingZeros(date.getUTCSeconds(), 2)
    },

    // 1/10 of second: 0, 1, ..., 9
    'S': function (date) {
      return Math.floor(date.getUTCMilliseconds() / 100)
    },

    // 1/100 of second: 00, 01, ..., 99
    'SS': function (date) {
      return addLeadingZeros(Math.floor(date.getUTCMilliseconds() / 10), 2)
    },

    // Millisecond: 000, 001, ..., 999
    'SSS': function (date) {
      return addLeadingZeros(date.getUTCMilliseconds(), 3)
    },

    // Timezone: -01:00, +00:00, ... +12:00
    'Z': function (date, options) {
      var originalDate = options._originalDate || date;
      return formatTimezone(originalDate.getTimezoneOffset(), ':')
    },

    // Timezone: -0100, +0000, ... +1200
    'ZZ': function (date, options) {
      var originalDate = options._originalDate || date;
      return formatTimezone(originalDate.getTimezoneOffset())
    },

    // Seconds timestamp: 512969520
    'X': function (date, options) {
      var originalDate = options._originalDate || date;
      return Math.floor(originalDate.getTime() / 1000)
    },

    // Milliseconds timestamp: 512969520900
    'x': function (date, options) {
      var originalDate = options._originalDate || date;
      return originalDate.getTime()
    },

    // AM, PM
    'A': function (date, options) {
      return options.locale.localize.timeOfDay(date.getUTCHours(), {type: 'uppercase'})
    },

    // am, pm
    'a': function (date, options) {
      return options.locale.localize.timeOfDay(date.getUTCHours(), {type: 'lowercase'})
    },

    // a.m., p.m.
    'aa': function (date, options) {
      return options.locale.localize.timeOfDay(date.getUTCHours(), {type: 'long'})
    }
  };

  function formatTimezone (offset, delimeter) {
    delimeter = delimeter || '';
    var sign = offset > 0 ? '-' : '+';
    var absOffset = Math.abs(offset);
    var hours = Math.floor(absOffset / 60);
    var minutes = absOffset % 60;
    return sign + addLeadingZeros(hours, 2) + delimeter + addLeadingZeros(minutes, 2)
  }

  function addLeadingZeros (number, targetLength) {
    var output = Math.abs(number).toString();
    while (output.length < targetLength) {
      output = '0' + output;
    }
    return output
  }

  // This function will be a part of public API when UTC function will be implemented.
  // See issue: https://github.com/date-fns/date-fns/issues/376
  function addUTCMinutes (dirtyDate, dirtyAmount, dirtyOptions) {
    var date = toDate(dirtyDate, dirtyOptions);
    var amount = Number(dirtyAmount);
    date.setUTCMinutes(date.getUTCMinutes() + amount);
    return date
  }

  var longFormattingTokensRegExp = /(\[[^[]*])|(\\)?(LTS|LT|LLLL|LLL|LL|L|llll|lll|ll|l)/g;
  var defaultFormattingTokensRegExp = /(\[[^[]*])|(\\)?(x|ss|s|mm|m|hh|h|do|dddd|ddd|dd|d|aa|a|ZZ|Z|YYYY|YY|X|Wo|WW|W|SSS|SS|S|Qo|Q|Mo|MMMM|MMM|MM|M|HH|H|GGGG|GG|E|Do|DDDo|DDDD|DDD|DD|D|A|.)/g;

  /**
   * @name format
   * @category Common Helpers
   * @summary Format the date.
   *
   * @description
   * Return the formatted date string in the given format.
   *
   * Accepted tokens:
   * | Unit                    | Token | Result examples                  |
   * |-------------------------|-------|----------------------------------|
   * | Month                   | M     | 1, 2, ..., 12                    |
   * |                         | Mo    | 1st, 2nd, ..., 12th              |
   * |                         | MM    | 01, 02, ..., 12                  |
   * |                         | MMM   | Jan, Feb, ..., Dec               |
   * |                         | MMMM  | January, February, ..., December |
   * | Quarter                 | Q     | 1, 2, 3, 4                       |
   * |                         | Qo    | 1st, 2nd, 3rd, 4th               |
   * | Day of month            | D     | 1, 2, ..., 31                    |
   * |                         | Do    | 1st, 2nd, ..., 31st              |
   * |                         | DD    | 01, 02, ..., 31                  |
   * | Day of year             | DDD   | 1, 2, ..., 366                   |
   * |                         | DDDo  | 1st, 2nd, ..., 366th             |
   * |                         | DDDD  | 001, 002, ..., 366               |
   * | Day of week             | d     | 0, 1, ..., 6                     |
   * |                         | do    | 0th, 1st, ..., 6th               |
   * |                         | dd    | Su, Mo, ..., Sa                  |
   * |                         | ddd   | Sun, Mon, ..., Sat               |
   * |                         | dddd  | Sunday, Monday, ..., Saturday    |
   * | Day of ISO week         | E     | 1, 2, ..., 7                     |
   * | ISO week                | W     | 1, 2, ..., 53                    |
   * |                         | Wo    | 1st, 2nd, ..., 53rd              |
   * |                         | WW    | 01, 02, ..., 53                  |
   * | Year                    | YY    | 00, 01, ..., 99                  |
   * |                         | YYYY  | 1900, 1901, ..., 2099            |
   * | ISO week-numbering year | GG    | 00, 01, ..., 99                  |
   * |                         | GGGG  | 1900, 1901, ..., 2099            |
   * | AM/PM                   | A     | AM, PM                           |
   * |                         | a     | am, pm                           |
   * |                         | aa    | a.m., p.m.                       |
   * | Hour                    | H     | 0, 1, ... 23                     |
   * |                         | HH    | 00, 01, ... 23                   |
   * |                         | h     | 1, 2, ..., 12                    |
   * |                         | hh    | 01, 02, ..., 12                  |
   * | Minute                  | m     | 0, 1, ..., 59                    |
   * |                         | mm    | 00, 01, ..., 59                  |
   * | Second                  | s     | 0, 1, ..., 59                    |
   * |                         | ss    | 00, 01, ..., 59                  |
   * | 1/10 of second          | S     | 0, 1, ..., 9                     |
   * | 1/100 of second         | SS    | 00, 01, ..., 99                  |
   * | Millisecond             | SSS   | 000, 001, ..., 999               |
   * | Timezone                | Z     | -01:00, +00:00, ... +12:00       |
   * |                         | ZZ    | -0100, +0000, ..., +1200         |
   * | Seconds timestamp       | X     | 512969520                        |
   * | Milliseconds timestamp  | x     | 512969520900                     |
   * | Long format             | LT    | 05:30 a.m.                       |
   * |                         | LTS   | 05:30:15 a.m.                    |
   * |                         | L     | 07/02/1995                       |
   * |                         | l     | 7/2/1995                         |
   * |                         | LL    | July 2 1995                      |
   * |                         | ll    | Jul 2 1995                       |
   * |                         | LLL   | July 2 1995 05:30 a.m.           |
   * |                         | lll   | Jul 2 1995 05:30 a.m.            |
   * |                         | LLLL  | Sunday, July 2 1995 05:30 a.m.   |
   * |                         | llll  | Sun, Jul 2 1995 05:30 a.m.       |
   *
   * The characters wrapped in square brackets are escaped.
   *
   * The result may vary by locale.
   *
   * @param {Date|String|Number} date - the original date
   * @param {String} format - the string of tokens
   * @param {Options} [options] - the object with options. See [Options]{@link https://date-fns.org/docs/Options}
   * @param {0|1|2} [options.additionalDigits=2] - passed to `toDate`. See [toDate]{@link https://date-fns.org/docs/toDate}
   * @param {Locale} [options.locale=defaultLocale] - the locale object. See [Locale]{@link https://date-fns.org/docs/Locale}
   * @returns {String} the formatted date string
   * @throws {TypeError} 2 arguments required
   * @throws {RangeError} `options.additionalDigits` must be 0, 1 or 2
   * @throws {RangeError} `options.locale` must contain `localize` property
   * @throws {RangeError} `options.locale` must contain `formatLong` property
   *
   * @example
   * // Represent 11 February 2014 in middle-endian format:
   * var result = format(
   *   new Date(2014, 1, 11),
   *   'MM/DD/YYYY'
   * )
   * //=> '02/11/2014'
   *
   * @example
   * // Represent 2 July 2014 in Esperanto:
   * import { eoLocale } from 'date-fns/locale/eo'
   * var result = format(
   *   new Date(2014, 6, 2),
   *   'Do [de] MMMM YYYY',
   *   {locale: eoLocale}
   * )
   * //=> '2-a de julio 2014'
   */
  function format (dirtyDate, dirtyFormatStr, dirtyOptions) {
    if (arguments.length < 2) {
      throw new TypeError('2 arguments required, but only ' + arguments.length + ' present')
    }

    var formatStr = String(dirtyFormatStr);
    var options = dirtyOptions || {};

    var locale$$1 = options.locale || locale;

    if (!locale$$1.localize) {
      throw new RangeError('locale must contain localize property')
    }

    if (!locale$$1.formatLong) {
      throw new RangeError('locale must contain formatLong property')
    }

    var localeFormatters = locale$$1.formatters || {};
    var formattingTokensRegExp = locale$$1.formattingTokensRegExp || defaultFormattingTokensRegExp;
    var formatLong = locale$$1.formatLong;

    var originalDate = toDate(dirtyDate, options);

    if (!isValid(originalDate, options)) {
      return 'Invalid Date'
    }

    // Convert the date in system timezone to the same date in UTC+00:00 timezone.
    // This ensures that when UTC functions will be implemented, locales will be compatible with them.
    // See an issue about UTC functions: https://github.com/date-fns/date-fns/issues/376
    var timezoneOffset = originalDate.getTimezoneOffset();
    var utcDate = addUTCMinutes(originalDate, -timezoneOffset, options);

    var formatterOptions = cloneObject(options);
    formatterOptions.locale = locale$$1;
    formatterOptions.formatters = formatters;

    // When UTC functions will be implemented, options._originalDate will likely be a part of public API.
    // Right now, please don't use it in locales. If you have to use an original date,
    // please restore it from `date`, adding a timezone offset to it.
    formatterOptions._originalDate = originalDate;

    var result = formatStr
      .replace(longFormattingTokensRegExp, function (substring) {
        if (substring[0] === '[') {
          return substring
        }

        if (substring[0] === '\\') {
          return cleanEscapedString(substring)
        }

        return formatLong(substring)
      })
      .replace(formattingTokensRegExp, function (substring) {
        var formatter = localeFormatters[substring] || formatters[substring];

        if (formatter) {
          return formatter(utcDate, formatterOptions)
        } else {
          return cleanEscapedString(substring)
        }
      });

    return result
  }

  function cleanEscapedString (input) {
    if (input.match(/\[[\s\S]/)) {
      return input.replace(/^\[|]$/g, '')
    }
    return input.replace(/\\/g, '')
  }

  /**
   * @name subMinutes
   * @category Minute Helpers
   * @summary Subtract the specified number of minutes from the given date.
   *
   * @description
   * Subtract the specified number of minutes from the given date.
   *
   * @param {Date|String|Number} date - the date to be changed
   * @param {Number} amount - the amount of minutes to be subtracted
   * @param {Options} [options] - the object with options. See [Options]{@link https://date-fns.org/docs/Options}
   * @param {0|1|2} [options.additionalDigits=2] - passed to `toDate`. See [toDate]{@link https://date-fns.org/docs/toDate}
   * @returns {Date} the new date with the mintues subtracted
   * @throws {TypeError} 2 arguments required
   * @throws {RangeError} `options.additionalDigits` must be 0, 1 or 2
   *
   * @example
   * // Subtract 30 minutes from 10 July 2014 12:00:00:
   * var result = subMinutes(new Date(2014, 6, 10, 12, 0), 30)
   * //=> Thu Jul 10 2014 11:30:00
   */
  function subMinutes (dirtyDate, dirtyAmount, dirtyOptions) {
    if (arguments.length < 2) {
      throw new TypeError('2 arguments required, but only ' + arguments.length + ' present')
    }

    var amount = Number(dirtyAmount);
    return addMinutes(dirtyDate, -amount, dirtyOptions)
  }

  /**
   * @name isAfter
   * @category Common Helpers
   * @summary Is the first date after the second one?
   *
   * @description
   * Is the first date after the second one?
   *
   * @param {Date|String|Number} date - the date that should be after the other one to return true
   * @param {Date|String|Number} dateToCompare - the date to compare with
   * @param {Options} [options] - the object with options. See [Options]{@link https://date-fns.org/docs/Options}
   * @param {0|1|2} [options.additionalDigits=2] - passed to `toDate`. See [toDate]{@link https://date-fns.org/docs/toDate}
   * @returns {Boolean} the first date is after the second date
   * @throws {TypeError} 2 arguments required
   * @throws {RangeError} `options.additionalDigits` must be 0, 1 or 2
   *
   * @example
   * // Is 10 July 1989 after 11 February 1987?
   * var result = isAfter(new Date(1989, 6, 10), new Date(1987, 1, 11))
   * //=> true
   */
  function isAfter (dirtyDate, dirtyDateToCompare, dirtyOptions) {
    if (arguments.length < 2) {
      throw new TypeError('2 arguments required, but only ' + arguments.length + ' present')
    }

    var date = toDate(dirtyDate, dirtyOptions);
    var dateToCompare = toDate(dirtyDateToCompare, dirtyOptions);
    return date.getTime() > dateToCompare.getTime()
  }

  /**
   * @name isBefore
   * @category Common Helpers
   * @summary Is the first date before the second one?
   *
   * @description
   * Is the first date before the second one?
   *
   * @param {Date|String|Number} date - the date that should be before the other one to return true
   * @param {Date|String|Number} dateToCompare - the date to compare with
   * @param {Options} [options] - the object with options. See [Options]{@link https://date-fns.org/docs/Options}
   * @param {0|1|2} [options.additionalDigits=2] - passed to `toDate`. See [toDate]{@link https://date-fns.org/docs/toDate}
   * @returns {Boolean} the first date is before the second date
   * @throws {TypeError} 2 arguments required
   * @throws {RangeError} `options.additionalDigits` must be 0, 1 or 2
   *
   * @example
   * // Is 10 July 1989 before 11 February 1987?
   * var result = isBefore(new Date(1989, 6, 10), new Date(1987, 1, 11))
   * //=> false
   */
  function isBefore (dirtyDate, dirtyDateToCompare, dirtyOptions) {
    if (arguments.length < 2) {
      throw new TypeError('2 arguments required, but only ' + arguments.length + ' present')
    }

    var date = toDate(dirtyDate, dirtyOptions);
    var dateToCompare = toDate(dirtyDateToCompare, dirtyOptions);
    return date.getTime() < dateToCompare.getTime()
  }

  /**
   * @name isEqual
   * @category Common Helpers
   * @summary Are the given dates equal?
   *
   * @description
   * Are the given dates equal?
   *
   * @param {Date|String|Number} dateLeft - the first date to compare
   * @param {Date|String|Number} dateRight - the second date to compare
   * @param {Options} [options] - the object with options. See [Options]{@link https://date-fns.org/docs/Options}
   * @param {0|1|2} [options.additionalDigits=2] - passed to `toDate`. See [toDate]{@link https://date-fns.org/docs/toDate}
   * @returns {Boolean} the dates are equal
   * @throws {TypeError} 2 arguments required
   * @throws {RangeError} `options.additionalDigits` must be 0, 1 or 2
   *
   * @example
   * // Are 2 July 2014 06:30:45.000 and 2 July 2014 06:30:45.500 equal?
   * var result = isEqual(
   *   new Date(2014, 6, 2, 6, 30, 45, 0)
   *   new Date(2014, 6, 2, 6, 30, 45, 500)
   * )
   * //=> false
   */
  function isEqual (dirtyLeftDate, dirtyRightDate, dirtyOptions) {
    if (arguments.length < 2) {
      throw new TypeError('2 arguments required, but only ' + arguments.length + ' present')
    }

    var dateLeft = toDate(dirtyLeftDate, dirtyOptions);
    var dateRight = toDate(dirtyRightDate, dirtyOptions);
    return dateLeft.getTime() === dateRight.getTime()
  }

  var patterns$1 = {
    'M': /^(1[0-2]|0?\d)/, // 0 to 12
    'D': /^(3[0-1]|[0-2]?\d)/, // 0 to 31
    'DDD': /^(36[0-6]|3[0-5]\d|[0-2]?\d?\d)/, // 0 to 366
    'W': /^(5[0-3]|[0-4]?\d)/, // 0 to 53
    'YYYY': /^(\d{1,4})/, // 0 to 9999
    'H': /^(2[0-3]|[0-1]?\d)/, // 0 to 23
    'm': /^([0-5]?\d)/, // 0 to 59
    'Z': /^([+-])(\d{2}):(\d{2})/,
    'ZZ': /^([+-])(\d{2})(\d{2})/,
    singleDigit: /^(\d)/,
    twoDigits: /^(\d{2})/,
    threeDigits: /^(\d{3})/,
    fourDigits: /^(\d{4})/,
    anyDigits: /^(\d+)/
  };

  function parseDecimal$1 (matchResult) {
    return parseInt(matchResult[1], 10)
  }

  var parsers = {
    // Year: 00, 01, ..., 99
    'YY': {
      unit: 'twoDigitYear',
      match: patterns$1.twoDigits,
      parse: function (matchResult) {
        return parseDecimal$1(matchResult)
      }
    },

    // Year: 1900, 1901, ..., 2099
    'YYYY': {
      unit: 'year',
      match: patterns$1.YYYY,
      parse: parseDecimal$1
    },

    // ISO week-numbering year: 00, 01, ..., 99
    'GG': {
      unit: 'isoYear',
      match: patterns$1.twoDigits,
      parse: function (matchResult) {
        return parseDecimal$1(matchResult) + 1900
      }
    },

    // ISO week-numbering year: 1900, 1901, ..., 2099
    'GGGG': {
      unit: 'isoYear',
      match: patterns$1.YYYY,
      parse: parseDecimal$1
    },

    // Quarter: 1, 2, 3, 4
    'Q': {
      unit: 'quarter',
      match: patterns$1.singleDigit,
      parse: parseDecimal$1
    },

    // Ordinal quarter
    'Qo': {
      unit: 'quarter',
      match: function (string, options) {
        return options.locale.match.ordinalNumbers(string, {unit: 'quarter'})
      },
      parse: function (matchResult, options) {
        return options.locale.match.ordinalNumber(matchResult, {unit: 'quarter'})
      }
    },

    // Month: 1, 2, ..., 12
    'M': {
      unit: 'month',
      match: patterns$1.M,
      parse: function (matchResult) {
        return parseDecimal$1(matchResult) - 1
      }
    },

    // Ordinal month
    'Mo': {
      unit: 'month',
      match: function (string, options) {
        return options.locale.match.ordinalNumbers(string, {unit: 'month'})
      },
      parse: function (matchResult, options) {
        return options.locale.match.ordinalNumber(matchResult, {unit: 'month'}) - 1
      }
    },

    // Month: 01, 02, ..., 12
    'MM': {
      unit: 'month',
      match: patterns$1.twoDigits,
      parse: function (matchResult) {
        return parseDecimal$1(matchResult) - 1
      }
    },

    // Month: Jan, Feb, ..., Dec
    'MMM': {
      unit: 'month',
      match: function (string, options) {
        return options.locale.match.months(string, {type: 'short'})
      },
      parse: function (matchResult, options) {
        return options.locale.match.month(matchResult, {type: 'short'})
      }
    },

    // Month: January, February, ..., December
    'MMMM': {
      unit: 'month',
      match: function (string, options) {
        return options.locale.match.months(string, {type: 'long'}) ||
          options.locale.match.months(string, {type: 'short'})
      },
      parse: function (matchResult, options) {
        var parseResult = options.locale.match.month(matchResult, {type: 'long'});

        if (parseResult == null) {
          parseResult = options.locale.match.month(matchResult, {type: 'short'});
        }

        return parseResult
      }
    },

    // ISO week: 1, 2, ..., 53
    'W': {
      unit: 'isoWeek',
      match: patterns$1.W,
      parse: parseDecimal$1
    },

    // Ordinal ISO week
    'Wo': {
      unit: 'isoWeek',
      match: function (string, options) {
        return options.locale.match.ordinalNumbers(string, {unit: 'isoWeek'})
      },
      parse: function (matchResult, options) {
        return options.locale.match.ordinalNumber(matchResult, {unit: 'isoWeek'})
      }
    },

    // ISO week: 01, 02, ..., 53
    'WW': {
      unit: 'isoWeek',
      match: patterns$1.twoDigits,
      parse: parseDecimal$1
    },

    // Day of week: 0, 1, ..., 6
    'd': {
      unit: 'dayOfWeek',
      match: patterns$1.singleDigit,
      parse: parseDecimal$1
    },

    // Ordinal day of week
    'do': {
      unit: 'dayOfWeek',
      match: function (string, options) {
        return options.locale.match.ordinalNumbers(string, {unit: 'dayOfWeek'})
      },
      parse: function (matchResult, options) {
        return options.locale.match.ordinalNumber(matchResult, {unit: 'dayOfWeek'})
      }
    },

    // Day of week: Su, Mo, ..., Sa
    'dd': {
      unit: 'dayOfWeek',
      match: function (string, options) {
        return options.locale.match.weekdays(string, {type: 'narrow'})
      },
      parse: function (matchResult, options) {
        return options.locale.match.weekday(matchResult, {type: 'narrow'})
      }
    },

    // Day of week: Sun, Mon, ..., Sat
    'ddd': {
      unit: 'dayOfWeek',
      match: function (string, options) {
        return options.locale.match.weekdays(string, {type: 'short'}) ||
          options.locale.match.weekdays(string, {type: 'narrow'})
      },
      parse: function (matchResult, options) {
        var parseResult = options.locale.match.weekday(matchResult, {type: 'short'});

        if (parseResult == null) {
          parseResult = options.locale.match.weekday(matchResult, {type: 'narrow'});
        }

        return parseResult
      }
    },

    // Day of week: Sunday, Monday, ..., Saturday
    'dddd': {
      unit: 'dayOfWeek',
      match: function (string, options) {
        return options.locale.match.weekdays(string, {type: 'long'}) ||
          options.locale.match.weekdays(string, {type: 'short'}) ||
          options.locale.match.weekdays(string, {type: 'narrow'})
      },
      parse: function (matchResult, options) {
        var parseResult = options.locale.match.weekday(matchResult, {type: 'long'});

        if (parseResult == null) {
          parseResult = options.locale.match.weekday(matchResult, {type: 'short'});

          if (parseResult == null) {
            parseResult = options.locale.match.weekday(matchResult, {type: 'narrow'});
          }
        }

        return parseResult
      }
    },

    // Day of ISO week: 1, 2, ..., 7
    'E': {
      unit: 'dayOfISOWeek',
      match: patterns$1.singleDigit,
      parse: function (matchResult) {
        return parseDecimal$1(matchResult)
      }
    },

    // Day of month: 1, 2, ..., 31
    'D': {
      unit: 'dayOfMonth',
      match: patterns$1.D,
      parse: parseDecimal$1
    },

    // Ordinal day of month
    'Do': {
      unit: 'dayOfMonth',
      match: function (string, options) {
        return options.locale.match.ordinalNumbers(string, {unit: 'dayOfMonth'})
      },
      parse: function (matchResult, options) {
        return options.locale.match.ordinalNumber(matchResult, {unit: 'dayOfMonth'})
      }
    },

    // Day of month: 01, 02, ..., 31
    'DD': {
      unit: 'dayOfMonth',
      match: patterns$1.twoDigits,
      parse: parseDecimal$1
    },

    // Day of year: 1, 2, ..., 366
    'DDD': {
      unit: 'dayOfYear',
      match: patterns$1.DDD,
      parse: parseDecimal$1
    },

    // Ordinal day of year
    'DDDo': {
      unit: 'dayOfYear',
      match: function (string, options) {
        return options.locale.match.ordinalNumbers(string, {unit: 'dayOfYear'})
      },
      parse: function (matchResult, options) {
        return options.locale.match.ordinalNumber(matchResult, {unit: 'dayOfYear'})
      }
    },

    // Day of year: 001, 002, ..., 366
    'DDDD': {
      unit: 'dayOfYear',
      match: patterns$1.threeDigits,
      parse: parseDecimal$1
    },

    // AM, PM
    'A': {
      unit: 'timeOfDay',
      match: function (string, options) {
        return options.locale.match.timesOfDay(string, {type: 'short'})
      },
      parse: function (matchResult, options) {
        return options.locale.match.timeOfDay(matchResult, {type: 'short'})
      }
    },

    // a.m., p.m.
    'aa': {
      unit: 'timeOfDay',
      match: function (string, options) {
        return options.locale.match.timesOfDay(string, {type: 'long'}) ||
          options.locale.match.timesOfDay(string, {type: 'short'})
      },
      parse: function (matchResult, options) {
        var parseResult = options.locale.match.timeOfDay(matchResult, {type: 'long'});

        if (parseResult == null) {
          parseResult = options.locale.match.timeOfDay(matchResult, {type: 'short'});
        }

        return parseResult
      }
    },

    // Hour: 0, 1, ... 23
    'H': {
      unit: 'hours',
      match: patterns$1.H,
      parse: parseDecimal$1
    },

    // Hour: 00, 01, ..., 23
    'HH': {
      unit: 'hours',
      match: patterns$1.twoDigits,
      parse: parseDecimal$1
    },

    // Hour: 1, 2, ..., 12
    'h': {
      unit: 'timeOfDayHours',
      match: patterns$1.M,
      parse: parseDecimal$1
    },

    // Hour: 01, 02, ..., 12
    'hh': {
      unit: 'timeOfDayHours',
      match: patterns$1.twoDigits,
      parse: parseDecimal$1
    },

    // Minute: 0, 1, ..., 59
    'm': {
      unit: 'minutes',
      match: patterns$1.m,
      parse: parseDecimal$1
    },

    // Minute: 00, 01, ..., 59
    'mm': {
      unit: 'minutes',
      match: patterns$1.twoDigits,
      parse: parseDecimal$1
    },

    // Second: 0, 1, ..., 59
    's': {
      unit: 'seconds',
      match: patterns$1.m,
      parse: parseDecimal$1
    },

    // Second: 00, 01, ..., 59
    'ss': {
      unit: 'seconds',
      match: patterns$1.twoDigits,
      parse: parseDecimal$1
    },

    // 1/10 of second: 0, 1, ..., 9
    'S': {
      unit: 'milliseconds',
      match: patterns$1.singleDigit,
      parse: function (matchResult) {
        return parseDecimal$1(matchResult) * 100
      }
    },

    // 1/100 of second: 00, 01, ..., 99
    'SS': {
      unit: 'milliseconds',
      match: patterns$1.twoDigits,
      parse: function (matchResult) {
        return parseDecimal$1(matchResult) * 10
      }
    },

    // Millisecond: 000, 001, ..., 999
    'SSS': {
      unit: 'milliseconds',
      match: patterns$1.threeDigits,
      parse: parseDecimal$1
    },

    // Timezone: -01:00, +00:00, ... +12:00
    'Z': {
      unit: 'timezone',
      match: patterns$1.Z,
      parse: function (matchResult) {
        var sign = matchResult[1];
        var hours = parseInt(matchResult[2], 10);
        var minutes = parseInt(matchResult[3], 10);
        var absoluteOffset = hours * 60 + minutes;
        return (sign === '+') ? absoluteOffset : -absoluteOffset
      }
    },

    // Timezone: -0100, +0000, ... +1200
    'ZZ': {
      unit: 'timezone',
      match: patterns$1.ZZ,
      parse: function (matchResult) {
        var sign = matchResult[1];
        var hours = parseInt(matchResult[2], 10);
        var minutes = parseInt(matchResult[3], 10);
        var absoluteOffset = hours * 60 + minutes;
        return (sign === '+') ? absoluteOffset : -absoluteOffset
      }
    },

    // Seconds timestamp: 512969520
    'X': {
      unit: 'timestamp',
      match: patterns$1.anyDigits,
      parse: function (matchResult) {
        return parseDecimal$1(matchResult) * 1000
      }
    },

    // Milliseconds timestamp: 512969520900
    'x': {
      unit: 'timestamp',
      match: patterns$1.anyDigits,
      parse: parseDecimal$1
    }
  };

  parsers['a'] = parsers['A'];

  // This function will be a part of public API when UTC function will be implemented.
  // See issue: https://github.com/date-fns/date-fns/issues/376
  function setUTCDay (dirtyDate, dirtyDay, dirtyOptions) {
    var options = dirtyOptions || {};
    var locale = options.locale;
    var localeWeekStartsOn = locale && locale.options && locale.options.weekStartsOn;
    var defaultWeekStartsOn = localeWeekStartsOn === undefined ? 0 : Number(localeWeekStartsOn);
    var weekStartsOn = options.weekStartsOn === undefined ? defaultWeekStartsOn : Number(options.weekStartsOn);

    // Test if weekStartsOn is between 0 and 6 _and_ is not NaN
    if (!(weekStartsOn >= 0 && weekStartsOn <= 6)) {
      throw new RangeError('weekStartsOn must be between 0 and 6 inclusively')
    }

    var date = toDate(dirtyDate, dirtyOptions);
    var day = Number(dirtyDay);

    var currentDay = date.getUTCDay();

    var remainder = day % 7;
    var dayIndex = (remainder + 7) % 7;

    var diff = (dayIndex < weekStartsOn ? 7 : 0) + day - currentDay;

    date.setUTCDate(date.getUTCDate() + diff);
    return date
  }

  // This function will be a part of public API when UTC function will be implemented.
  // See issue: https://github.com/date-fns/date-fns/issues/376
  function setUTCISODay (dirtyDate, dirtyDay, dirtyOptions) {
    var day = Number(dirtyDay);

    if (day % 7 === 0) {
      day = day - 7;
    }

    var weekStartsOn = 1;
    var date = toDate(dirtyDate, dirtyOptions);
    var currentDay = date.getUTCDay();

    var remainder = day % 7;
    var dayIndex = (remainder + 7) % 7;

    var diff = (dayIndex < weekStartsOn ? 7 : 0) + day - currentDay;

    date.setUTCDate(date.getUTCDate() + diff);
    return date
  }

  // This function will be a part of public API when UTC function will be implemented.
  // See issue: https://github.com/date-fns/date-fns/issues/376
  function setUTCISOWeek (dirtyDate, dirtyISOWeek, dirtyOptions) {
    var date = toDate(dirtyDate, dirtyOptions);
    var isoWeek = Number(dirtyISOWeek);
    var diff = getUTCISOWeek(date, dirtyOptions) - isoWeek;
    date.setUTCDate(date.getUTCDate() - diff * 7);
    return date
  }

  var MILLISECONDS_IN_DAY$3 = 86400000;

  // This function will be a part of public API when UTC function will be implemented.
  // See issue: https://github.com/date-fns/date-fns/issues/376
  function setUTCISOWeekYear (dirtyDate, dirtyISOYear, dirtyOptions) {
    var date = toDate(dirtyDate, dirtyOptions);
    var isoYear = Number(dirtyISOYear);
    var dateStartOfYear = startOfUTCISOWeekYear(date, dirtyOptions);
    var diff = Math.floor((date.getTime() - dateStartOfYear.getTime()) / MILLISECONDS_IN_DAY$3);
    var fourthOfJanuary = new Date(0);
    fourthOfJanuary.setUTCFullYear(isoYear, 0, 4);
    fourthOfJanuary.setUTCHours(0, 0, 0, 0);
    date = startOfUTCISOWeekYear(fourthOfJanuary, dirtyOptions);
    date.setUTCDate(date.getUTCDate() + diff);
    return date
  }

  var MILLISECONDS_IN_MINUTE$6 = 60000;

  function setTimeOfDay (hours, timeOfDay) {
    var isAM = timeOfDay === 0;

    if (isAM) {
      if (hours === 12) {
        return 0
      }
    } else {
      if (hours !== 12) {
        return 12 + hours
      }
    }

    return hours
  }

  var units = {
    twoDigitYear: {
      priority: 10,
      set: function (dateValues, value) {
        var century = Math.floor(dateValues.date.getUTCFullYear() / 100);
        var year = century * 100 + value;
        dateValues.date.setUTCFullYear(year, 0, 1);
        dateValues.date.setUTCHours(0, 0, 0, 0);
        return dateValues
      }
    },

    year: {
      priority: 10,
      set: function (dateValues, value) {
        dateValues.date.setUTCFullYear(value, 0, 1);
        dateValues.date.setUTCHours(0, 0, 0, 0);
        return dateValues
      }
    },

    isoYear: {
      priority: 10,
      set: function (dateValues, value, options) {
        dateValues.date = startOfUTCISOWeekYear(setUTCISOWeekYear(dateValues.date, value, options), options);
        return dateValues
      }
    },

    quarter: {
      priority: 20,
      set: function (dateValues, value) {
        dateValues.date.setUTCMonth((value - 1) * 3, 1);
        dateValues.date.setUTCHours(0, 0, 0, 0);
        return dateValues
      }
    },

    month: {
      priority: 30,
      set: function (dateValues, value) {
        dateValues.date.setUTCMonth(value, 1);
        dateValues.date.setUTCHours(0, 0, 0, 0);
        return dateValues
      }
    },

    isoWeek: {
      priority: 40,
      set: function (dateValues, value, options) {
        dateValues.date = startOfUTCISOWeek(setUTCISOWeek(dateValues.date, value, options), options);
        return dateValues
      }
    },

    dayOfWeek: {
      priority: 50,
      set: function (dateValues, value, options) {
        dateValues.date = setUTCDay(dateValues.date, value, options);
        dateValues.date.setUTCHours(0, 0, 0, 0);
        return dateValues
      }
    },

    dayOfISOWeek: {
      priority: 50,
      set: function (dateValues, value, options) {
        dateValues.date = setUTCISODay(dateValues.date, value, options);
        dateValues.date.setUTCHours(0, 0, 0, 0);
        return dateValues
      }
    },

    dayOfMonth: {
      priority: 50,
      set: function (dateValues, value) {
        dateValues.date.setUTCDate(value);
        dateValues.date.setUTCHours(0, 0, 0, 0);
        return dateValues
      }
    },

    dayOfYear: {
      priority: 50,
      set: function (dateValues, value) {
        dateValues.date.setUTCMonth(0, value);
        dateValues.date.setUTCHours(0, 0, 0, 0);
        return dateValues
      }
    },

    timeOfDay: {
      priority: 60,
      set: function (dateValues, value, options) {
        dateValues.timeOfDay = value;
        return dateValues
      }
    },

    hours: {
      priority: 70,
      set: function (dateValues, value, options) {
        dateValues.date.setUTCHours(value, 0, 0, 0);
        return dateValues
      }
    },

    timeOfDayHours: {
      priority: 70,
      set: function (dateValues, value, options) {
        var timeOfDay = dateValues.timeOfDay;
        if (timeOfDay != null) {
          value = setTimeOfDay(value, timeOfDay);
        }
        dateValues.date.setUTCHours(value, 0, 0, 0);
        return dateValues
      }
    },

    minutes: {
      priority: 80,
      set: function (dateValues, value) {
        dateValues.date.setUTCMinutes(value, 0, 0);
        return dateValues
      }
    },

    seconds: {
      priority: 90,
      set: function (dateValues, value) {
        dateValues.date.setUTCSeconds(value, 0);
        return dateValues
      }
    },

    milliseconds: {
      priority: 100,
      set: function (dateValues, value) {
        dateValues.date.setUTCMilliseconds(value);
        return dateValues
      }
    },

    timezone: {
      priority: 110,
      set: function (dateValues, value) {
        dateValues.date = new Date(dateValues.date.getTime() - value * MILLISECONDS_IN_MINUTE$6);
        return dateValues
      }
    },

    timestamp: {
      priority: 120,
      set: function (dateValues, value) {
        dateValues.date = new Date(value);
        return dateValues
      }
    }
  };

  var TIMEZONE_UNIT_PRIORITY = 110;
  var MILLISECONDS_IN_MINUTE$7 = 60000;

  var longFormattingTokensRegExp$1 = /(\[[^[]*])|(\\)?(LTS|LT|LLLL|LLL|LL|L|llll|lll|ll|l)/g;
  var defaultParsingTokensRegExp = /(\[[^[]*])|(\\)?(x|ss|s|mm|m|hh|h|do|dddd|ddd|dd|d|aa|a|ZZ|Z|YYYY|YY|X|Wo|WW|W|SSS|SS|S|Qo|Q|Mo|MMMM|MMM|MM|M|HH|H|GGGG|GG|E|Do|DDDo|DDDD|DDD|DD|D|A|.)/g;

  /**
   * @name parse
   * @category Common Helpers
   * @summary Parse the date.
   *
   * @description
   * Return the date parsed from string using the given format.
   *
   * Accepted format tokens:
   * | Unit                    | Priority | Token | Input examples                   |
   * |-------------------------|----------|-------|----------------------------------|
   * | Year                    | 10       | YY    | 00, 01, ..., 99                  |
   * |                         |          | YYYY  | 1900, 1901, ..., 2099            |
   * | ISO week-numbering year | 10       | GG    | 00, 01, ..., 99                  |
   * |                         |          | GGGG  | 1900, 1901, ..., 2099            |
   * | Quarter                 | 20       | Q     | 1, 2, 3, 4                       |
   * |                         |          | Qo    | 1st, 2nd, 3rd, 4th               |
   * | Month                   | 30       | M     | 1, 2, ..., 12                    |
   * |                         |          | Mo    | 1st, 2nd, ..., 12th              |
   * |                         |          | MM    | 01, 02, ..., 12                  |
   * |                         |          | MMM   | Jan, Feb, ..., Dec               |
   * |                         |          | MMMM  | January, February, ..., December |
   * | ISO week                | 40       | W     | 1, 2, ..., 53                    |
   * |                         |          | Wo    | 1st, 2nd, ..., 53rd              |
   * |                         |          | WW    | 01, 02, ..., 53                  |
   * | Day of week             | 50       | d     | 0, 1, ..., 6                     |
   * |                         |          | do    | 0th, 1st, ..., 6th               |
   * |                         |          | dd    | Su, Mo, ..., Sa                  |
   * |                         |          | ddd   | Sun, Mon, ..., Sat               |
   * |                         |          | dddd  | Sunday, Monday, ..., Saturday    |
   * | Day of ISO week         | 50       | E     | 1, 2, ..., 7                     |
   * | Day of month            | 50       | D     | 1, 2, ..., 31                    |
   * |                         |          | Do    | 1st, 2nd, ..., 31st              |
   * |                         |          | DD    | 01, 02, ..., 31                  |
   * | Day of year             | 50       | DDD   | 1, 2, ..., 366                   |
   * |                         |          | DDDo  | 1st, 2nd, ..., 366th             |
   * |                         |          | DDDD  | 001, 002, ..., 366               |
   * | Time of day             | 60       | A     | AM, PM                           |
   * |                         |          | a     | am, pm                           |
   * |                         |          | aa    | a.m., p.m.                       |
   * | Hour                    | 70       | H     | 0, 1, ... 23                     |
   * |                         |          | HH    | 00, 01, ... 23                   |
   * | Time of day hour        | 70       | h     | 1, 2, ..., 12                    |
   * |                         |          | hh    | 01, 02, ..., 12                  |
   * | Minute                  | 80       | m     | 0, 1, ..., 59                    |
   * |                         |          | mm    | 00, 01, ..., 59                  |
   * | Second                  | 90       | s     | 0, 1, ..., 59                    |
   * |                         |          | ss    | 00, 01, ..., 59                  |
   * | 1/10 of second          | 100      | S     | 0, 1, ..., 9                     |
   * | 1/100 of second         | 100      | SS    | 00, 01, ..., 99                  |
   * | Millisecond             | 100      | SSS   | 000, 001, ..., 999               |
   * | Timezone                | 110      | Z     | -01:00, +00:00, ... +12:00       |
   * |                         |          | ZZ    | -0100, +0000, ..., +1200         |
   * | Seconds timestamp       | 120      | X     | 512969520                        |
   * | Milliseconds timestamp  | 120      | x     | 512969520900                     |
   *
   * Values will be assigned to the date in the ascending order of its unit's priority.
   * Units of an equal priority overwrite each other in the order of appearance.
   *
   * If no values of higher priority are parsed (e.g. when parsing string 'January 1st' without a year),
   * the values will be taken from 3rd argument `baseDate` which works as a context of parsing.
   *
   * `baseDate` must be passed for correct work of the function.
   * If you're not sure which `baseDate` to supply, create a new instance of Date:
   * `parse('02/11/2014', 'MM/DD/YYYY', new Date())`
   * In this case parsing will be done in the context of the current date.
   * If `baseDate` is `Invalid Date` or a value not convertible to valid `Date`,
   * then `Invalid Date` will be returned.
   *
   * Also, `parse` unfolds long formats like those in [format]{@link https://date-fns.org/docs/format}:
   * | Token | Input examples                 |
   * |-------|--------------------------------|
   * | LT    | 05:30 a.m.                     |
   * | LTS   | 05:30:15 a.m.                  |
   * | L     | 07/02/1995                     |
   * | l     | 7/2/1995                       |
   * | LL    | July 2 1995                    |
   * | ll    | Jul 2 1995                     |
   * | LLL   | July 2 1995 05:30 a.m.         |
   * | lll   | Jul 2 1995 05:30 a.m.          |
   * | LLLL  | Sunday, July 2 1995 05:30 a.m. |
   * | llll  | Sun, Jul 2 1995 05:30 a.m.     |
   *
   * The characters wrapped in square brackets in the format string are escaped.
   *
   * The result may vary by locale.
   *
   * If `formatString` matches with `dateString` but does not provides tokens, `baseDate` will be returned.
   *
   * If parsing failed, `Invalid Date` will be returned.
   * Invalid Date is a Date, whose time value is NaN.
   * Time value of Date: http://es5.github.io/#x15.9.1.1
   *
   * @param {String} dateString - the string to parse
   * @param {String} formatString - the string of tokens
   * @param {Date|String|Number} baseDate - the date to took the missing higher priority values from
   * @param {Options} [options] - the object with options. See [Options]{@link https://date-fns.org/docs/Options}
   * @param {0|1|2} [options.additionalDigits=2] - passed to `toDate`. See [toDate]{@link https://date-fns.org/docs/toDate}
   * @param {Locale} [options.locale=defaultLocale] - the locale object. See [Locale]{@link https://date-fns.org/docs/Locale}
   * @param {0|1|2|3|4|5|6} [options.weekStartsOn=0] - the index of the first day of the week (0 - Sunday)
   * @returns {Date} the parsed date
   * @throws {TypeError} 3 arguments required
   * @throws {RangeError} `options.additionalDigits` must be 0, 1 or 2
   * @throws {RangeError} `options.weekStartsOn` must be between 0 and 6
   * @throws {RangeError} `options.locale` must contain `match` property
   * @throws {RangeError} `options.locale` must contain `formatLong` property
   *
   * @example
   * // Parse 11 February 2014 from middle-endian format:
   * var result = parse(
   *   '02/11/2014',
   *   'MM/DD/YYYY',
   *   new Date()
   * )
   * //=> Tue Feb 11 2014 00:00:00
   *
   * @example
   * // Parse 28th of February in English locale in the context of 2010 year:
   * import eoLocale from 'date-fns/locale/eo'
   * var result = parse(
   *   '28-a de februaro',
   *   'Do [de] MMMM',
   *   new Date(2010, 0, 1)
   *   {locale: eoLocale}
   * )
   * //=> Sun Feb 28 2010 00:00:00
   */
  function parse (dirtyDateString, dirtyFormatString, dirtyBaseDate, dirtyOptions) {
    if (arguments.length < 3) {
      throw new TypeError('3 arguments required, but only ' + arguments.length + ' present')
    }

    var dateString = String(dirtyDateString);
    var options = dirtyOptions || {};

    var weekStartsOn = options.weekStartsOn === undefined ? 0 : Number(options.weekStartsOn);

    // Test if weekStartsOn is between 0 and 6 _and_ is not NaN
    if (!(weekStartsOn >= 0 && weekStartsOn <= 6)) {
      throw new RangeError('weekStartsOn must be between 0 and 6 inclusively')
    }

    var locale$$1 = options.locale || locale;
    var localeParsers = locale$$1.parsers || {};
    var localeUnits = locale$$1.units || {};

    if (!locale$$1.match) {
      throw new RangeError('locale must contain match property')
    }

    if (!locale$$1.formatLong) {
      throw new RangeError('locale must contain formatLong property')
    }

    var formatString = String(dirtyFormatString)
      .replace(longFormattingTokensRegExp$1, function (substring) {
        if (substring[0] === '[') {
          return substring
        }

        if (substring[0] === '\\') {
          return cleanEscapedString$1(substring)
        }

        return locale$$1.formatLong(substring)
      });

    if (formatString === '') {
      if (dateString === '') {
        return toDate(dirtyBaseDate, options)
      } else {
        return new Date(NaN)
      }
    }

    var subFnOptions = cloneObject(options);
    subFnOptions.locale = locale$$1;

    var tokens = formatString.match(locale$$1.parsingTokensRegExp || defaultParsingTokensRegExp);
    var tokensLength = tokens.length;

    // If timezone isn't specified, it will be set to the system timezone
    var setters = [{
      priority: TIMEZONE_UNIT_PRIORITY,
      set: dateToSystemTimezone,
      index: 0
    }];

    var i;
    for (i = 0; i < tokensLength; i++) {
      var token = tokens[i];
      var parser = localeParsers[token] || parsers[token];
      if (parser) {
        var matchResult;

        if (parser.match instanceof RegExp) {
          matchResult = parser.match.exec(dateString);
        } else {
          matchResult = parser.match(dateString, subFnOptions);
        }

        if (!matchResult) {
          return new Date(NaN)
        }

        var unitName = parser.unit;
        var unit = localeUnits[unitName] || units[unitName];

        setters.push({
          priority: unit.priority,
          set: unit.set,
          value: parser.parse(matchResult, subFnOptions),
          index: setters.length
        });

        var substring = matchResult[0];
        dateString = dateString.slice(substring.length);
      } else {
        var head = tokens[i].match(/^\[.*]$/) ? tokens[i].replace(/^\[|]$/g, '') : tokens[i];
        if (dateString.indexOf(head) === 0) {
          dateString = dateString.slice(head.length);
        } else {
          return new Date(NaN)
        }
      }
    }

    var uniquePrioritySetters = setters
      .map(function (setter) {
        return setter.priority
      })
      .sort(function (a, b) {
        return a - b
      })
      .filter(function (priority, index, array) {
        return array.indexOf(priority) === index
      })
      .map(function (priority) {
        return setters
          .filter(function (setter) {
            return setter.priority === priority
          })
          .reverse()
      })
      .map(function (setterArray) {
        return setterArray[0]
      });

    var date = toDate(dirtyBaseDate, options);

    if (isNaN(date)) {
      return new Date(NaN)
    }

    // Convert the date in system timezone to the same date in UTC+00:00 timezone.
    // This ensures that when UTC functions will be implemented, locales will be compatible with them.
    // See an issue about UTC functions: https://github.com/date-fns/date-fns/issues/37
    var utcDate = subMinutes(date, date.getTimezoneOffset());

    var dateValues = {date: utcDate};

    var settersLength = uniquePrioritySetters.length;
    for (i = 0; i < settersLength; i++) {
      var setter = uniquePrioritySetters[i];
      dateValues = setter.set(dateValues, setter.value, subFnOptions);
    }

    return dateValues.date
  }

  function dateToSystemTimezone (dateValues) {
    var date = dateValues.date;
    var time = date.getTime();

    // Get the system timezone offset at (moment of time - offset)
    var offset = date.getTimezoneOffset();

    // Get the system timezone offset at the exact moment of time
    offset = new Date(time + offset * MILLISECONDS_IN_MINUTE$7).getTimezoneOffset();

    // Convert date in timezone "UTC+00:00" to the system timezone
    dateValues.date = new Date(time + offset * MILLISECONDS_IN_MINUTE$7);

    return dateValues
  }

  function cleanEscapedString$1 (input) {
    if (input.match(/\[[\s\S]/)) {
      return input.replace(/^\[|]$/g, '')
    }
    return input.replace(/\\/g, '')
  }

  // This file is generated automatically by `scripts/build/indices.js`. Please, don't change it.

  // 

  /**
   * Custom parse behavior on top of date-fns parse function.
   */
  function parseDate$1 (date, format$$1) {
    if (typeof date !== 'string') {
      return isValid(date) ? date : null;
    }

    var parsed = parse(date, format$$1, new Date());

    // if date is not valid or the formatted output after parsing does not match
    // the string value passed in (avoids overflows)
    if (!isValid(parsed) || format(parsed, format$$1) !== date) {
      return null;
    }

    return parsed;
  }

  var afterValidator = function (value, ref) {
    var otherValue = ref[0];
    var inclusion = ref[1];
    var format$$1 = ref[2];

    if (typeof format$$1 === 'undefined') {
      format$$1 = inclusion;
      inclusion = false;
    }
    value = parseDate$1(value, format$$1);
    otherValue = parseDate$1(otherValue, format$$1);

    // if either is not valid.
    if (!value || !otherValue) {
      return false;
    }

    return isAfter(value, otherValue) || (inclusion && isEqual(value, otherValue));
  };

  var options = {
    hasTarget: true,
    isDate: true
  };

  var after = {
    validate: afterValidator,
    options: options
  };

  /**
   * Some Alpha Regex helpers.
   * https://github.com/chriso/validator.js/blob/master/src/lib/alpha.js
   */

  var alpha = {
    en: /^[A-Z]*$/i,
    cs: /^[A-ZÁČĎÉĚÍŇÓŘŠŤÚŮÝŽ]*$/i,
    da: /^[A-ZÆØÅ]*$/i,
    de: /^[A-ZÄÖÜß]*$/i,
    es: /^[A-ZÁÉÍÑÓÚÜ]*$/i,
    fr: /^[A-ZÀÂÆÇÉÈÊËÏÎÔŒÙÛÜŸ]*$/i,
    lt: /^[A-ZĄČĘĖĮŠŲŪŽ]*$/i,
    nl: /^[A-ZÉËÏÓÖÜ]*$/i,
    hu: /^[A-ZÁÉÍÓÖŐÚÜŰ]*$/i,
    pl: /^[A-ZĄĆĘŚŁŃÓŻŹ]*$/i,
    pt: /^[A-ZÃÁÀÂÇÉÊÍÕÓÔÚÜ]*$/i,
    ru: /^[А-ЯЁ]*$/i,
    sk: /^[A-ZÁÄČĎÉÍĹĽŇÓŔŠŤÚÝŽ]*$/i,
    sr: /^[A-ZČĆŽŠĐ]*$/i,
    tr: /^[A-ZÇĞİıÖŞÜ]*$/i,
    uk: /^[А-ЩЬЮЯЄІЇҐ]*$/i,
    ar: /^[ءآأؤإئابةتثجحخدذرزسشصضطظعغفقكلمنهوىيًٌٍَُِّْٰ]*$/
  };

  var alphaSpaces = {
    en: /^[A-Z\s]*$/i,
    cs: /^[A-ZÁČĎÉĚÍŇÓŘŠŤÚŮÝŽ\s]*$/i,
    da: /^[A-ZÆØÅ\s]*$/i,
    de: /^[A-ZÄÖÜß\s]*$/i,
    es: /^[A-ZÁÉÍÑÓÚÜ\s]*$/i,
    fr: /^[A-ZÀÂÆÇÉÈÊËÏÎÔŒÙÛÜŸ\s]*$/i,
    lt: /^[A-ZĄČĘĖĮŠŲŪŽ\s]*$/i,
    nl: /^[A-ZÉËÏÓÖÜ\s]*$/i,
    hu: /^[A-ZÁÉÍÓÖŐÚÜŰ\s]*$/i,
    pl: /^[A-ZĄĆĘŚŁŃÓŻŹ\s]*$/i,
    pt: /^[A-ZÃÁÀÂÇÉÊÍÕÓÔÚÜ\s]*$/i,
    ru: /^[А-ЯЁ\s]*$/i,
    sk: /^[A-ZÁÄČĎÉÍĹĽŇÓŔŠŤÚÝŽ\s]*$/i,
    sr: /^[A-ZČĆŽŠĐ\s]*$/i,
    tr: /^[A-ZÇĞİıÖŞÜ\s]*$/i,
    uk: /^[А-ЩЬЮЯЄІЇҐ\s]*$/i,
    ar: /^[ءآأؤإئابةتثجحخدذرزسشصضطظعغفقكلمنهوىيًٌٍَُِّْٰ\s]*$/
  };

  var alphanumeric = {
    en: /^[0-9A-Z]*$/i,
    cs: /^[0-9A-ZÁČĎÉĚÍŇÓŘŠŤÚŮÝŽ]*$/i,
    da: /^[0-9A-ZÆØÅ]$/i,
    de: /^[0-9A-ZÄÖÜß]*$/i,
    es: /^[0-9A-ZÁÉÍÑÓÚÜ]*$/i,
    fr: /^[0-9A-ZÀÂÆÇÉÈÊËÏÎÔŒÙÛÜŸ]*$/i,
    lt: /^[0-9A-ZĄČĘĖĮŠŲŪŽ]*$/i,
    hu: /^[0-9A-ZÁÉÍÓÖŐÚÜŰ]*$/i,
    nl: /^[0-9A-ZÉËÏÓÖÜ]*$/i,
    pl: /^[0-9A-ZĄĆĘŚŁŃÓŻŹ]*$/i,
    pt: /^[0-9A-ZÃÁÀÂÇÉÊÍÕÓÔÚÜ]*$/i,
    ru: /^[0-9А-ЯЁ]*$/i,
    sk: /^[0-9A-ZÁÄČĎÉÍĹĽŇÓŔŠŤÚÝŽ]*$/i,
    sr: /^[0-9A-ZČĆŽŠĐ]*$/i,
    tr: /^[0-9A-ZÇĞİıÖŞÜ]*$/i,
    uk: /^[0-9А-ЩЬЮЯЄІЇҐ]*$/i,
    ar: /^[٠١٢٣٤٥٦٧٨٩0-9ءآأؤإئابةتثجحخدذرزسشصضطظعغفقكلمنهوىيًٌٍَُِّْٰ]*$/
  };

  var alphaDash = {
    en: /^[0-9A-Z_-]*$/i,
    cs: /^[0-9A-ZÁČĎÉĚÍŇÓŘŠŤÚŮÝŽ_-]*$/i,
    da: /^[0-9A-ZÆØÅ_-]*$/i,
    de: /^[0-9A-ZÄÖÜß_-]*$/i,
    es: /^[0-9A-ZÁÉÍÑÓÚÜ_-]*$/i,
    fr: /^[0-9A-ZÀÂÆÇÉÈÊËÏÎÔŒÙÛÜŸ_-]*$/i,
    lt: /^[0-9A-ZĄČĘĖĮŠŲŪŽ_-]*$/i,
    nl: /^[0-9A-ZÉËÏÓÖÜ_-]*$/i,
    hu: /^[0-9A-ZÁÉÍÓÖŐÚÜŰ_-]*$/i,
    pl: /^[0-9A-ZĄĆĘŚŁŃÓŻŹ_-]*$/i,
    pt: /^[0-9A-ZÃÁÀÂÇÉÊÍÕÓÔÚÜ_-]*$/i,
    ru: /^[0-9А-ЯЁ_-]*$/i,
    sk: /^[0-9A-ZÁÄČĎÉÍĹĽŇÓŔŠŤÚÝŽ_-]*$/i,
    sr: /^[0-9A-ZČĆŽŠĐ_-]*$/i,
    tr: /^[0-9A-ZÇĞİıÖŞÜ_-]*$/i,
    uk: /^[0-9А-ЩЬЮЯЄІЇҐ_-]*$/i,
    ar: /^[٠١٢٣٤٥٦٧٨٩0-9ءآأؤإئابةتثجحخدذرزسشصضطظعغفقكلمنهوىيًٌٍَُِّْٰ_-]*$/
  };

  var validate = function (value, ref) {
    if ( ref === void 0 ) ref = [];
    var locale = ref[0]; if ( locale === void 0 ) locale = null;

    if (Array.isArray(value)) {
      return value.every(function (val) { return validate(val, [locale]); });
    }

    // Match at least one locale.
    if (! locale) {
      return Object.keys(alpha).some(function (loc) { return alpha[loc].test(value); });
    }

    return (alpha[locale] || alpha.en).test(value);
  };

  var alpha$1 = {
    validate: validate
  };

  var validate$1 = function (value, ref) {
    if ( ref === void 0 ) ref = [];
    var locale = ref[0]; if ( locale === void 0 ) locale = null;

    if (Array.isArray(value)) {
      return value.every(function (val) { return validate$1(val, [locale]); });
    }

    // Match at least one locale.
    if (! locale) {
      return Object.keys(alphaDash).some(function (loc) { return alphaDash[loc].test(value); });
    }

    return (alphaDash[locale] || alphaDash.en).test(value);
  };

  var alpha_dash = {
    validate: validate$1
  };

  var validate$2 = function (value, ref) {
    if ( ref === void 0 ) ref = [];
    var locale = ref[0]; if ( locale === void 0 ) locale = null;

    if (Array.isArray(value)) {
      return value.every(function (val) { return validate$2(val, [locale]); });
    }

    // Match at least one locale.
    if (! locale) {
      return Object.keys(alphanumeric).some(function (loc) { return alphanumeric[loc].test(value); });
    }

    return (alphanumeric[locale] || alphanumeric.en).test(value);
  };

  var alpha_num = {
    validate: validate$2
  };

  var validate$3 = function (value, ref) {
    if ( ref === void 0 ) ref = [];
    var locale = ref[0]; if ( locale === void 0 ) locale = null;

    if (Array.isArray(value)) {
      return value.every(function (val) { return validate$3(val, [locale]); });
    }

    // Match at least one locale.
    if (! locale) {
      return Object.keys(alphaSpaces).some(function (loc) { return alphaSpaces[loc].test(value); });
    }

    return (alphaSpaces[locale] || alphaSpaces.en).test(value);
  };

  var alpha_spaces = {
    validate: validate$3
  };

  var validate$4 = function (value, ref) {
    var otherValue = ref[0];
    var inclusion = ref[1];
    var format$$1 = ref[2];

    if (typeof format$$1 === 'undefined') {
      format$$1 = inclusion;
      inclusion = false;
    }
    value = parseDate$1(value, format$$1);
    otherValue = parseDate$1(otherValue, format$$1);

    // if either is not valid.
    if (!value || !otherValue) {
      return false;
    }

    return isBefore(value, otherValue) || (inclusion && isEqual(value, otherValue));
  };

  var options$1 = {
    hasTarget: true,
    isDate: true
  };

  var before = {
    validate: validate$4,
    options: options$1
  };

  var validate$5 = function (value, ref) {
    var min = ref[0];
    var max = ref[1];

    if (Array.isArray(value)) {
      return value.every(function (val) { return validate$5(val, [min, max]); });
    }

    return Number(min) <= value && Number(max) >= value;
  };

  var between = {
    validate: validate$5
  };

  var validate$6 = function (value, other) { return String(value) === String(other); };
  var options$2 = {
    hasTarget: true
  };

  var confirmed = {
    validate: validate$6,
    options: options$2
  };

  function unwrapExports (x) {
  	return x && x.__esModule && Object.prototype.hasOwnProperty.call(x, 'default') ? x['default'] : x;
  }

  function createCommonjsModule(fn, module) {
  	return module = { exports: {} }, fn(module, module.exports), module.exports;
  }

  var assertString_1 = createCommonjsModule(function (module, exports) {

  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  exports.default = assertString;
  function assertString(input) {
    var isString = typeof input === 'string' || input instanceof String;

    if (!isString) {
      throw new TypeError('This library (validator.js) validates strings only');
    }
  }
  module.exports = exports['default'];
  });

  unwrapExports(assertString_1);

  var isCreditCard_1 = createCommonjsModule(function (module, exports) {

  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  exports.default = isCreditCard;



  var _assertString2 = _interopRequireDefault(assertString_1);

  function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

  /* eslint-disable max-len */
  var creditCard = /^(?:4[0-9]{12}(?:[0-9]{3})?|5[1-5][0-9]{14}|(222[1-9]|22[3-9][0-9]|2[3-6][0-9]{2}|27[01][0-9]|2720)[0-9]{12}|6(?:011|5[0-9][0-9])[0-9]{12}|3[47][0-9]{13}|3(?:0[0-5]|[68][0-9])[0-9]{11}|(?:2131|1800|35\d{3})\d{11}|6[27][0-9]{14})$/;
  /* eslint-enable max-len */

  function isCreditCard(str) {
    (0, _assertString2.default)(str);
    var sanitized = str.replace(/[- ]+/g, '');
    if (!creditCard.test(sanitized)) {
      return false;
    }
    var sum = 0;
    var digit = void 0;
    var tmpNum = void 0;
    var shouldDouble = void 0;
    for (var i = sanitized.length - 1; i >= 0; i--) {
      digit = sanitized.substring(i, i + 1);
      tmpNum = parseInt(digit, 10);
      if (shouldDouble) {
        tmpNum *= 2;
        if (tmpNum >= 10) {
          sum += tmpNum % 10 + 1;
        } else {
          sum += tmpNum;
        }
      } else {
        sum += tmpNum;
      }
      shouldDouble = !shouldDouble;
    }
    return !!(sum % 10 === 0 ? sanitized : false);
  }
  module.exports = exports['default'];
  });

  var isCreditCard = unwrapExports(isCreditCard_1);

  var validate$7 = function (value) { return isCreditCard(String(value)); };

  var credit_card = {
    validate: validate$7
  };

  var validate$8 = function (value, params) {
    var assign, assign$1;

    var min$$1;
    var max$$1;
    var format$$1;
    var inclusivity = '()';

    if (params.length > 3) {
      (assign = params, min$$1 = assign[0], max$$1 = assign[1], inclusivity = assign[2], format$$1 = assign[3]);
    } else {
      (assign$1 = params, min$$1 = assign$1[0], max$$1 = assign$1[1], format$$1 = assign$1[2]);
    }

    var minDate = parseDate$1(String(min$$1), format$$1);
    var maxDate = parseDate$1(String(max$$1), format$$1);
    var dateVal = parseDate$1(String(value), format$$1);

    if (!minDate || !maxDate || !dateVal) {
      return false;
    }

    if (inclusivity === '()') {
      return isAfter(dateVal, minDate) && isBefore(dateVal, maxDate);
    }

    if (inclusivity === '(]') {
      return isAfter(dateVal, minDate) && (isEqual(dateVal, maxDate) || isBefore(dateVal, maxDate));
    }

    if (inclusivity === '[)') {
      return isBefore(dateVal, maxDate) && (isEqual(dateVal, minDate) || isAfter(dateVal, minDate));
    }

    return isEqual(dateVal, maxDate) || isEqual(dateVal, minDate) ||
      (isBefore(dateVal, maxDate) && isAfter(dateVal, minDate));
  };

  var options$3 = {
    isDate: true
  };

  var date_between = {
    validate: validate$8,
    options: options$3
  };

  var validate$9 = function (value, ref) {
    var format = ref[0];

    return !!parseDate$1(value, format);
  };

  var options$4 = {
    isDate: true
  };

  var date_format = {
    validate: validate$9,
    options: options$4
  };

  var validate$a = function (value, ref) {
    if ( ref === void 0 ) ref = [];
    var decimals = ref[0]; if ( decimals === void 0 ) decimals = '*';
    var separator = ref[1]; if ( separator === void 0 ) separator = '.';

    if (Array.isArray(value)) {
      return value.every(function (val) { return validate$a(val, [decimals, separator]); });
    }

    if (value === null || value === undefined || value === '') {
      return true;
    }

    // if is 0.
    if (Number(decimals) === 0) {
      return /^-?\d*$/.test(value);
    }

    var regexPart = decimals === '*' ? '+' : ("{1," + decimals + "}");
    var regex = new RegExp(("^-?\\d*(\\" + separator + "\\d" + regexPart + ")?$"));

    if (! regex.test(value)) {
      return false;
    }

    var parsedValue = parseFloat(value);

    // eslint-disable-next-line
      return parsedValue === parsedValue;
  };

  var decimal = {
    validate: validate$a
  };

  var validate$b = function (value, ref) {
    var length = ref[0];

    if (Array.isArray(value)) {
      return value.every(function (val) { return validate$b(val, [length]); });
    }
    var strVal = String(value);

    return /^[0-9]*$/.test(strVal) && strVal.length === Number(length);
  };

  var digits = {
    validate: validate$b
  };

  var validateImage = function (file, width, height) {
    var URL = window.URL || window.webkitURL;
    return new Promise(function (resolve) {
      var image = new Image();
      image.onerror = function () { return resolve({ valid: false }); };
      image.onload = function () { return resolve({
        valid: image.width === Number(width) && image.height === Number(height)
      }); };

      image.src = URL.createObjectURL(file);
    });
  };

  var validate$c = function (files, ref) {
    var width = ref[0];
    var height = ref[1];

    var list = [];
    for (var i = 0; i < files.length; i++) {
      // if file is not an image, reject.
      if (! /\.(jpg|svg|jpeg|png|bmp|gif)$/i.test(files[i].name)) {
        return false;
      }

      list.push(files[i]);
    }

    return Promise.all(list.map(function (file) { return validateImage(file, width, height); }));
  };

  var dimensions = {
    validate: validate$c
  };

  var merge_1 = createCommonjsModule(function (module, exports) {

  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  exports.default = merge;
  function merge() {
    var obj = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
    var defaults = arguments[1];

    for (var key in defaults) {
      if (typeof obj[key] === 'undefined') {
        obj[key] = defaults[key];
      }
    }
    return obj;
  }
  module.exports = exports['default'];
  });

  unwrapExports(merge_1);

  var isByteLength_1 = createCommonjsModule(function (module, exports) {

  Object.defineProperty(exports, "__esModule", {
    value: true
  });

  var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; };

  exports.default = isByteLength;



  var _assertString2 = _interopRequireDefault(assertString_1);

  function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

  /* eslint-disable prefer-rest-params */
  function isByteLength(str, options) {
    (0, _assertString2.default)(str);
    var min = void 0;
    var max = void 0;
    if ((typeof options === 'undefined' ? 'undefined' : _typeof(options)) === 'object') {
      min = options.min || 0;
      max = options.max;
    } else {
      // backwards compatibility: isByteLength(str, min [, max])
      min = arguments[1];
      max = arguments[2];
    }
    var len = encodeURI(str).split(/%..|./).length - 1;
    return len >= min && (typeof max === 'undefined' || len <= max);
  }
  module.exports = exports['default'];
  });

  unwrapExports(isByteLength_1);

  var isFQDN_1 = createCommonjsModule(function (module, exports) {

  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  exports.default = isFQDN;



  var _assertString2 = _interopRequireDefault(assertString_1);



  var _merge2 = _interopRequireDefault(merge_1);

  function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

  var default_fqdn_options = {
    require_tld: true,
    allow_underscores: false,
    allow_trailing_dot: false
  };

  function isFQDN(str, options) {
    (0, _assertString2.default)(str);
    options = (0, _merge2.default)(options, default_fqdn_options);

    /* Remove the optional trailing dot before checking validity */
    if (options.allow_trailing_dot && str[str.length - 1] === '.') {
      str = str.substring(0, str.length - 1);
    }
    var parts = str.split('.');
    for (var i = 0; i < parts.length; i++) {
      if (parts[i].length > 63) {
        return false;
      }
    }
    if (options.require_tld) {
      var tld = parts.pop();
      if (!parts.length || !/^([a-z\u00a1-\uffff]{2,}|xn[a-z0-9-]{2,})$/i.test(tld)) {
        return false;
      }
      // disallow spaces
      if (/[\s\u2002-\u200B\u202F\u205F\u3000\uFEFF\uDB40\uDC20]/.test(tld)) {
        return false;
      }
    }
    for (var part, _i = 0; _i < parts.length; _i++) {
      part = parts[_i];
      if (options.allow_underscores) {
        part = part.replace(/_/g, '');
      }
      if (!/^[a-z\u00a1-\uffff0-9-]+$/i.test(part)) {
        return false;
      }
      // disallow full-width chars
      if (/[\uff01-\uff5e]/.test(part)) {
        return false;
      }
      if (part[0] === '-' || part[part.length - 1] === '-') {
        return false;
      }
    }
    return true;
  }
  module.exports = exports['default'];
  });

  unwrapExports(isFQDN_1);

  var isEmail_1 = createCommonjsModule(function (module, exports) {

  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  exports.default = isEmail;



  var _assertString2 = _interopRequireDefault(assertString_1);



  var _merge2 = _interopRequireDefault(merge_1);



  var _isByteLength2 = _interopRequireDefault(isByteLength_1);



  var _isFQDN2 = _interopRequireDefault(isFQDN_1);

  function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

  var default_email_options = {
    allow_display_name: false,
    require_display_name: false,
    allow_utf8_local_part: true,
    require_tld: true
  };

  /* eslint-disable max-len */
  /* eslint-disable no-control-regex */
  var displayName = /^[a-z\d!#\$%&'\*\+\-\/=\?\^_`{\|}~\.\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF]+[a-z\d!#\$%&'\*\+\-\/=\?\^_`{\|}~\,\.\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF\s]*<(.+)>$/i;
  var emailUserPart = /^[a-z\d!#\$%&'\*\+\-\/=\?\^_`{\|}~]+$/i;
  var gmailUserPart = /^[a-z\d]+$/;
  var quotedEmailUser = /^([\s\x01-\x08\x0b\x0c\x0e-\x1f\x7f\x21\x23-\x5b\x5d-\x7e]|(\\[\x01-\x09\x0b\x0c\x0d-\x7f]))*$/i;
  var emailUserUtf8Part = /^[a-z\d!#\$%&'\*\+\-\/=\?\^_`{\|}~\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF]+$/i;
  var quotedEmailUserUtf8 = /^([\s\x01-\x08\x0b\x0c\x0e-\x1f\x7f\x21\x23-\x5b\x5d-\x7e\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF]|(\\[\x01-\x09\x0b\x0c\x0d-\x7f\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF]))*$/i;
  /* eslint-enable max-len */
  /* eslint-enable no-control-regex */

  function isEmail(str, options) {
    (0, _assertString2.default)(str);
    options = (0, _merge2.default)(options, default_email_options);

    if (options.require_display_name || options.allow_display_name) {
      var display_email = str.match(displayName);
      if (display_email) {
        str = display_email[1];
      } else if (options.require_display_name) {
        return false;
      }
    }

    var parts = str.split('@');
    var domain = parts.pop();
    var user = parts.join('@');

    var lower_domain = domain.toLowerCase();

    if (lower_domain === 'gmail.com' || lower_domain === 'googlemail.com') {
      /*
        Previously we removed dots for gmail addresses before validating.
        This was removed because it allows `multiple..dots@gmail.com`
        to be reported as valid, but it is not.
        Gmail only normalizes single dots, removing them from here is pointless,
        should be done in normalizeEmail
      */
      user = user.toLowerCase();

      // Removing sub-address from username before gmail validation
      var username = user.split('+')[0];

      // Dots are not included in gmail length restriction
      if (!(0, _isByteLength2.default)(username.replace('.', ''), { min: 6, max: 30 })) {
        return false;
      }

      var _user_parts = username.split('.');
      for (var i = 0; i < _user_parts.length; i++) {
        if (!gmailUserPart.test(_user_parts[i])) {
          return false;
        }
      }
    }

    if (!(0, _isByteLength2.default)(user, { max: 64 }) || !(0, _isByteLength2.default)(domain, { max: 254 })) {
      return false;
    }

    if (!(0, _isFQDN2.default)(domain, { require_tld: options.require_tld })) {
      return false;
    }

    if (user[0] === '"') {
      user = user.slice(1, user.length - 1);
      return options.allow_utf8_local_part ? quotedEmailUserUtf8.test(user) : quotedEmailUser.test(user);
    }

    var pattern = options.allow_utf8_local_part ? emailUserUtf8Part : emailUserPart;

    var user_parts = user.split('.');
    for (var _i = 0; _i < user_parts.length; _i++) {
      if (!pattern.test(user_parts[_i])) {
        return false;
      }
    }

    return true;
  }
  module.exports = exports['default'];
  });

  var isEmail = unwrapExports(isEmail_1);

  var validate$d = function (value, ref) {
    if ( ref === void 0 ) ref = [];
    var multiple = ref[0]; if ( multiple === void 0 ) multiple = false;

    if (multiple) {
      value = value.split(',').map(function (emailStr) { return emailStr.trim(); });
    }

    if (Array.isArray(value)) {
      return value.every(function (val) { return isEmail(String(val)); });
    }

    return isEmail(String(value));
  };

  var email = {
    validate: validate$d
  };

  // 

  var supportsPassive = true;

  var detectPassiveSupport = function () {
    try {
      var opts = Object.defineProperty({}, 'passive', {
        get: function get () {
          supportsPassive = true;
        }
      });
      window.addEventListener('testPassive', null, opts);
      window.removeEventListener('testPassive', null, opts);
    } catch (e) {
      supportsPassive = false;
    }
    return supportsPassive;
  };

  var addEventListener = function (el, eventName, cb) {
    el.addEventListener(eventName, cb, supportsPassive ? { passive: true } : false);
  };

  var isTextInput = function (el) {
    return includes(['text', 'password', 'search', 'email', 'tel', 'url', 'textarea'], el.type);
  };

  var isCheckboxOrRadioInput = function (el) {
    return includes(['radio', 'checkbox'], el.type);
  };

  var isDateInput = function (el) {
    return includes(['date', 'week', 'month', 'datetime-local', 'time'], el.type);
  };

  /**
   * Gets the data attribute. the name must be kebab-case.
   */
  var getDataAttribute = function (el, name) { return el.getAttribute(("data-vv-" + name)); };

  /**
   * Checks if the values are either null or undefined.
   */
  var isNullOrUndefined = function () {
    var values = [], len = arguments.length;
    while ( len-- ) values[ len ] = arguments[ len ];

    return values.every(function (value) {
      return value === null || value === undefined;
    });
  };

  /**
   * Creates the default flags object.
   */
  var createFlags = function () { return ({
    untouched: true,
    touched: false,
    dirty: false,
    pristine: true,
    valid: null,
    invalid: null,
    validated: false,
    pending: false,
    required: false,
    changed: false
  }); };

  /**
   * Shallow object comparison.
   */
  var isEqual$1 = function (lhs, rhs) {
    if (lhs instanceof RegExp && rhs instanceof RegExp) {
      return isEqual$1(lhs.source, rhs.source) && isEqual$1(lhs.flags, rhs.flags);
    }

    if (Array.isArray(lhs) && Array.isArray(rhs)) {
      if (lhs.length !== rhs.length) { return false; }

      for (var i = 0; i < lhs.length; i++) {
        if (!isEqual$1(lhs[i], rhs[i])) {
          return false;
        }
      }

      return true;
    }

    // if both are objects, compare each key recursively.
    if (isObject(lhs) && isObject(rhs)) {
      return Object.keys(lhs).every(function (key) {
        return isEqual$1(lhs[key], rhs[key]);
      }) && Object.keys(rhs).every(function (key) {
        return isEqual$1(lhs[key], rhs[key]);
      });
    }

    return lhs === rhs;
  };

  /**
   * Determines the input field scope.
   */
  var getScope = function (el) {
    var scope = getDataAttribute(el, 'scope');
    if (isNullOrUndefined(scope)) {
      var form = getForm(el);

      if (form) {
        scope = getDataAttribute(form, 'scope');
      }
    }

    return !isNullOrUndefined(scope) ? scope : null;
  };

  /**
   * Get the closest form element.
   */
  var getForm = function (el) {
    if (isNullOrUndefined(el)) { return null; }

    if (el.tagName === 'FORM') { return el; }

    if (!isNullOrUndefined(el.form)) { return el.form; }

    return !isNullOrUndefined(el.parentNode) ? getForm(el.parentNode) : null;
  };

  /**
   * Gets the value in an object safely.
   */
  var getPath = function (path, target, def) {
    if ( def === void 0 ) def = undefined;

    if (!path || !target) { return def; }

    var value = target;
    path.split('.').every(function (prop) {
      if (prop in value) {
        value = value[prop];

        return true;
      }

      value = def;

      return false;
    });

    return value;
  };

  /**
   * Checks if path exists within an object.
   */
  var hasPath = function (path, target) {
    var obj = target;
    return path.split('.').every(function (prop) {
      if (prop in obj) {
        obj = obj[prop];

        return true;
      }

      return false;
    });
  };

  /**
   * Parses a rule string expression.
   */
  var parseRule = function (rule) {
    var params = [];
    var name = rule.split(':')[0];

    if (includes(rule, ':')) {
      params = rule.split(':').slice(1).join(':').split(',');
    }

    return { name: name, params: params };
  };

  /**
   * Debounces a function.
   */
  var debounce = function (fn, wait, immediate, token) {
    if ( wait === void 0 ) wait = 0;
    if ( immediate === void 0 ) immediate = false;
    if ( token === void 0 ) token = { cancelled: false };

    if (wait === 0) {
      return fn;
    }

    var timeout;

    return function () {
      var args = [], len = arguments.length;
      while ( len-- ) args[ len ] = arguments[ len ];

      var later = function () {
        timeout = null;

        if (!immediate && !token.cancelled) { fn.apply(void 0, args); }
      };
      /* istanbul ignore next */
      var callNow = immediate && !timeout;
      clearTimeout(timeout);
      timeout = setTimeout(later, wait);
      /* istanbul ignore next */
      if (callNow) { fn.apply(void 0, args); }
    };
  };

  /**
   * Appends a rule definition to a list of rules.
   */
  var appendRule = function (rule, rules) {
    if (!rules) {
      return rule;
    }

    if (!rule) {
      return rules;
    }

    if (typeof rules === 'string') {
      return (rules + "|" + rule);
    }

    return assign({}, rules, normalizeRules(rule));
  };

  /**
   * Normalizes the given rules expression.
   */
  var normalizeRules = function (rules) {
    // if falsy value return an empty object.
    if (!rules) {
      return {};
    }

    if (isObject(rules)) {
      // $FlowFixMe
      return Object.keys(rules).reduce(function (prev, curr) {
        var params = [];
        // $FlowFixMe
        if (rules[curr] === true) {
          params = [];
        } else if (Array.isArray(rules[curr])) {
          params = rules[curr];
        } else {
          params = [rules[curr]];
        }

        // $FlowFixMe
        if (rules[curr] !== false) {
          prev[curr] = params;
        }

        return prev;
      }, {});
    }

    if (typeof rules !== 'string') {
      warn('rules must be either a string or an object.');
      return {};
    }

    return rules.split('|').reduce(function (prev, rule) {
      var parsedRule = parseRule(rule);
      if (!parsedRule.name) {
        return prev;
      }

      prev[parsedRule.name] = parsedRule.params;
      return prev;
    }, {});
  };

  /**
   * Emits a warning to the console.
   */
  var warn = function (message) {
    console.warn(("[vee-validate] " + message)); // eslint-disable-line
  };

  /**
   * Creates a branded error object.
   */
  var createError = function (message) { return new Error(("[vee-validate] " + message)); };

  /**
   * Checks if the value is an object.
   */
  var isObject = function (obj) { return obj !== null && obj && typeof obj === 'object' && ! Array.isArray(obj); };

  /**
   * Checks if a function is callable.
   */
  var isCallable = function (func) { return typeof func === 'function'; };

  /**
   * Check if element has the css class on it.
   */
  var hasClass = function (el, className) {
    if (el.classList) {
      return el.classList.contains(className);
    }

    return !!el.className.match(new RegExp(("(\\s|^)" + className + "(\\s|$)")));
  };

  /**
   * Adds the provided css className to the element.
   */
  var addClass = function (el, className) {
    if (el.classList) {
      el.classList.add(className);
      return;
    }

    if (!hasClass(el, className)) {
      el.className += " " + className;
    }
  };

  /**
   * Remove the provided css className from the element.
   */
  var removeClass = function (el, className) {
    if (el.classList) {
      el.classList.remove(className);
      return;
    }

    if (hasClass(el, className)) {
      var reg = new RegExp(("(\\s|^)" + className + "(\\s|$)"));
      el.className = el.className.replace(reg, ' ');
    }
  };

  /**
   * Adds or removes a class name on the input depending on the status flag.
   */
  var toggleClass = function (el, className, status) {
    if (!el || !className) { return; }

    if (Array.isArray(className)) {
      className.forEach(function (item) { return toggleClass(el, item, status); });
      return;
    }

    if (status) {
      return addClass(el, className);
    }

    removeClass(el, className);
  };

  /**
   * Converts an array-like object to array, provides a simple polyfill for Array.from
   */
  var toArray = function (arrayLike) {
    if (isCallable(Array.from)) {
      return Array.from(arrayLike);
    }

    var array = [];
    var length = arrayLike.length;
    /* istanbul ignore next */
    for (var i = 0; i < length; i++) {
      array.push(arrayLike[i]);
    }

    /* istanbul ignore next */
    return array;
  };

  /**
   * Assign polyfill from the mdn.
   */
  var assign = function (target) {
    var others = [], len = arguments.length - 1;
    while ( len-- > 0 ) others[ len ] = arguments[ len + 1 ];

    /* istanbul ignore else */
    if (isCallable(Object.assign)) {
      return Object.assign.apply(Object, [ target ].concat( others ));
    }

    /* istanbul ignore next */
    if (target == null) {
      throw new TypeError('Cannot convert undefined or null to object');
    }

    /* istanbul ignore next */
    var to = Object(target);
    /* istanbul ignore next */
    others.forEach(function (arg) {
      // Skip over if undefined or null
      if (arg != null) {
        Object.keys(arg).forEach(function (key) {
          to[key] = arg[key];
        });
      }
    });
    /* istanbul ignore next */
    return to;
  };

  var id = 0;
  var idTemplate = '{id}';

  /**
   * Generates a unique id.
   */
  var uniqId = function () {
    // handle too many uses of uniqId, although unlikely.
    if (id >= 9999) {
      id = 0;
      // shift the template.
      idTemplate = idTemplate.replace('{id}', '_{id}');
    }

    id++;
    var newId = idTemplate.replace('{id}', String(id));

    return newId;
  };

  /**
   * finds the first element that satisfies the predicate callback, polyfills array.find
   */
  var find = function (arrayLike, predicate) {
    var array = Array.isArray(arrayLike) ? arrayLike : toArray(arrayLike);
    for (var i = 0; i < array.length; i++) {
      if (predicate(array[i])) {
        return array[i];
      }
    }

    return undefined;
  };

  var isBuiltInComponent = function (vnode) {
    if (!vnode) {
      return false;
    }

    var tag = vnode.componentOptions.tag;

    return /^(keep-alive|transition|transition-group)$/.test(tag);
  };

  var makeEventsArray = function (events) {
    return (typeof events === 'string' && events.length) ? events.split('|') : [];
  };

  var makeDelayObject = function (events, delay, delayConfig) {
    if (typeof delay === 'number') {
      return events.reduce(function (prev, e) {
        prev[e] = delay;
        return prev;
      }, {});
    }

    return events.reduce(function (prev, e) {
      if (typeof delay === 'object' && e in delay) {
        prev[e] = delay[e];
        return prev;
      }

      if (typeof delayConfig === 'number') {
        prev[e] = delayConfig;
        return prev;
      }

      prev[e] = (delayConfig && delayConfig[e]) || 0;

      return prev;
    }, {});
  };

  var deepParseInt = function (input) {
    if (typeof input === 'number') { return input; }

    if (typeof input === 'string') { return parseInt(input); }

    var map = {};
    for (var element in input) {
      map[element] = parseInt(input[element]);
    }

    return map;
  };

  var merge$1 = function (target, source) {
    if (! (isObject(target) && isObject(source))) {
      return target;
    }

    Object.keys(source).forEach(function (key) {
      var obj, obj$1;

      if (isObject(source[key])) {
        if (! target[key]) {
          assign(target, ( obj = {}, obj[key] = {}, obj ));
        }

        merge$1(target[key], source[key]);
        return;
      }

      assign(target, ( obj$1 = {}, obj$1[key] = source[key], obj$1 ));
    });

    return target;
  };

  var fillRulesFromElement = function (el, rules) {
    if (el.required) {
      rules = appendRule('required', rules);
    }

    if (isTextInput(el)) {
      if (el.type === 'email') {
        rules = appendRule(("email" + (el.multiple ? ':multiple' : '')), rules);
      }

      if (el.pattern) {
        rules = appendRule(("regex:" + (el.pattern)), rules);
      }

      // 524288 is the max on some browsers and test environments.
      if (el.maxLength >= 0 && el.maxLength < 524288) {
        rules = appendRule(("max:" + (el.maxLength)), rules);
      }

      if (el.minLength > 0) {
        rules = appendRule(("min:" + (el.minLength)), rules);
      }

      return rules;
    }

    if (el.type === 'number') {
      rules = appendRule('decimal', rules);
      if (el.min !== '') {
        rules = appendRule(("min_value:" + (el.min)), rules);
      }

      if (el.max !== '') {
        rules = appendRule(("max_value:" + (el.max)), rules);
      }

      return rules;
    }

    if (isDateInput(el)) {
      var timeFormat = el.step && Number(el.step) < 60 ? 'HH:mm:ss' : 'HH:mm';

      if (el.type === 'date') {
        return appendRule('date_format:YYYY-MM-DD', rules);
      }

      if (el.type === 'datetime-local') {
        return appendRule(("date_format:YYYY-MM-DDT" + timeFormat), rules);
      }

      if (el.type === 'month') {
        return appendRule('date_format:YYYY-MM', rules);
      }

      if (el.type === 'week') {
        return appendRule('date_format:YYYY-[W]WW', rules);
      }

      if (el.type === 'time') {
        return appendRule(("date_format:" + timeFormat), rules);
      }
    }

    return rules;
  };

  var values = function (obj) {
    if (isCallable(Object.values)) {
      return Object.values(obj);
    }

    // fallback to keys()
    /* istanbul ignore next */
    return obj[Object.keys(obj)[0]];
  };

  var parseSelector = function (selector) {
    var rule = null;
    if (includes(selector, ':')) {
      rule = selector.split(':').pop();
      selector = selector.replace((":" + rule), '');
    }

    if (selector[0] === '#') {
      return {
        id: selector.slice(1),
        rule: rule,
        name: null,
        scope: null
      };
    }

    var scope = null;
    var name = selector;
    if (includes(selector, '.')) {
      var parts = selector.split('.');
      scope = parts[0];
      name = parts.slice(1).join('.');
    }

    return {
      id: null,
      scope: scope,
      name: name,
      rule: rule
    };
  };

  var includes = function (collection, item) {
    return collection.indexOf(item) !== -1;
  };

  var validate$e = function (value, options) {
    if (Array.isArray(value)) {
      return value.every(function (val) { return validate$e(val, options); });
    }

    return toArray(options).some(function (item) {
      // eslint-disable-next-line
      return item == value;
    });
  };

  var included = {
    validate: validate$e
  };

  var validate$f = function () {
    var args = [], len = arguments.length;
    while ( len-- ) args[ len ] = arguments[ len ];

    return !validate$e.apply(void 0, args);
  };

  var excluded = {
    validate: validate$f
  };

  var validate$g = function (files, extensions) {
    var regex = new RegExp((".(" + (extensions.join('|')) + ")$"), 'i');

    return files.every(function (file) { return regex.test(file.name); });
  };

  var ext = {
    validate: validate$g
  };

  var validate$h = function (files) { return files.every(function (file) { return /\.(jpg|svg|jpeg|png|bmp|gif)$/i.test(file.name); }); };

  var image = {
    validate: validate$h
  };

  var validate$i = function (value) {
    if (Array.isArray(value)) {
      return value.every(function (val) { return /^-?[0-9]+$/.test(String(val)); });
    }

    return /^-?[0-9]+$/.test(String(value));
  };

  var integer = {
    validate: validate$i
  };

  var isIP_1 = createCommonjsModule(function (module, exports) {

  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  exports.default = isIP;



  var _assertString2 = _interopRequireDefault(assertString_1);

  function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

  var ipv4Maybe = /^(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})$/;
  var ipv6Block = /^[0-9A-F]{1,4}$/i;

  function isIP(str) {
    var version = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : '';

    (0, _assertString2.default)(str);
    version = String(version);
    if (!version) {
      return isIP(str, 4) || isIP(str, 6);
    } else if (version === '4') {
      if (!ipv4Maybe.test(str)) {
        return false;
      }
      var parts = str.split('.').sort(function (a, b) {
        return a - b;
      });
      return parts[3] <= 255;
    } else if (version === '6') {
      var blocks = str.split(':');
      var foundOmissionBlock = false; // marker to indicate ::

      // At least some OS accept the last 32 bits of an IPv6 address
      // (i.e. 2 of the blocks) in IPv4 notation, and RFC 3493 says
      // that '::ffff:a.b.c.d' is valid for IPv4-mapped IPv6 addresses,
      // and '::a.b.c.d' is deprecated, but also valid.
      var foundIPv4TransitionBlock = isIP(blocks[blocks.length - 1], 4);
      var expectedNumberOfBlocks = foundIPv4TransitionBlock ? 7 : 8;

      if (blocks.length > expectedNumberOfBlocks) {
        return false;
      }
      // initial or final ::
      if (str === '::') {
        return true;
      } else if (str.substr(0, 2) === '::') {
        blocks.shift();
        blocks.shift();
        foundOmissionBlock = true;
      } else if (str.substr(str.length - 2) === '::') {
        blocks.pop();
        blocks.pop();
        foundOmissionBlock = true;
      }

      for (var i = 0; i < blocks.length; ++i) {
        // test for a :: which can not be at the string start/end
        // since those cases have been handled above
        if (blocks[i] === '' && i > 0 && i < blocks.length - 1) {
          if (foundOmissionBlock) {
            return false; // multiple :: in address
          }
          foundOmissionBlock = true;
        } else if (foundIPv4TransitionBlock && i === blocks.length - 1) ; else if (!ipv6Block.test(blocks[i])) {
          return false;
        }
      }
      if (foundOmissionBlock) {
        return blocks.length >= 1;
      }
      return blocks.length === expectedNumberOfBlocks;
    }
    return false;
  }
  module.exports = exports['default'];
  });

  var isIP = unwrapExports(isIP_1);

  var validate$j = function (value, ref) {
    if ( ref === void 0 ) ref = [];
    var version = ref[0]; if ( version === void 0 ) version = 4;

    if (isNullOrUndefined(value)) {
      value = '';
    }

    if (Array.isArray(value)) {
      return value.every(function (val) { return isIP(val, version); });
    }

    return isIP(value, version);
  };

  var ip = {
    validate: validate$j
  };

  var validate$k = function (value, ref) {
    if ( ref === void 0 ) ref = [];
    var other = ref[0];

    return value === other;
  };

  var is = {
    validate: validate$k
  };

  var validate$l = function (value, ref) {
    if ( ref === void 0 ) ref = [];
    var other = ref[0];

    return value !== other;
  };

  var is_not = {
    validate: validate$l
  };

  /**
   * @param {Array|String} value
   * @param {Number} length
   * @param {Number} max
   */
  var compare = function (value, length, max) {
    if (max === undefined) {
      return value.length === length;
    }

    // cast to number.
    max = Number(max);

    return value.length >= length && value.length <= max;
  };

  var validate$m = function (value, ref) {
    var length = ref[0];
    var max = ref[1]; if ( max === void 0 ) max = undefined;

    length = Number(length);
    if (value === undefined || value === null) {
      return false;
    }

    if (typeof value === 'number') {
      value = String(value);
    }

    if (!value.length) {
      value = toArray(value);
    }

    return compare(value, length, max);
  };

  var length = {
    validate: validate$m
  };

  var validate$n = function (value, ref) {
    var length = ref[0];

    if (value === undefined || value === null) {
      return length >= 0;
    }

    return String(value).length <= length;
  };

  var max$1 = {
    validate: validate$n
  };

  var validate$o = function (value, ref) {
    var max = ref[0];

    if (Array.isArray(value) || value === null || value === undefined || value === '') {
      return false;
    }

    return Number(value) <= max;
  };

  var max_value = {
    validate: validate$o
  };

  var validate$p = function (files, mimes) {
    var regex = new RegExp(((mimes.join('|').replace('*', '.+')) + "$"), 'i');

    return files.every(function (file) { return regex.test(file.type); });
  };

  var mimes = {
    validate: validate$p
  };

  var validate$q = function (value, ref) {
    var length = ref[0];

    if (value === undefined || value === null) {
      return false;
    }
    return String(value).length >= length;
  };

  var min$1 = {
    validate: validate$q
  };

  var validate$r = function (value, ref) {
    var min = ref[0];

    if (Array.isArray(value) || value === null || value === undefined || value === '') {
      return false;
    }

    return Number(value) >= min;
  };

  var min_value = {
    validate: validate$r
  };

  var validate$s = function (value) {
    if (Array.isArray(value)) {
      return value.every(function (val) { return /^[0-9]+$/.test(String(val)); });
    }

    return /^[0-9]+$/.test(String(value));
  };

  var numeric = {
    validate: validate$s
  };

  var validate$t = function (value, ref) {
    var regex = ref[0];
    var flags = ref.slice(1);

    if (regex instanceof RegExp) {
      return regex.test(value);
    }

    return new RegExp(regex, flags).test(String(value));
  };

  var regex = {
    validate: validate$t
  };

  var validate$u = function (value, ref) {
    if ( ref === void 0 ) ref = [];
    var invalidateFalse = ref[0]; if ( invalidateFalse === void 0 ) invalidateFalse = false;

    if (Array.isArray(value)) {
      return !!value.length;
    }

    // incase a field considers `false` as an empty value like checkboxes.
    if (value === false && invalidateFalse) {
      return false;
    }

    if (value === undefined || value === null) {
      return false;
    }

    return !!String(value).trim().length;
  };

  var required = {
    validate: validate$u
  };

  var validate$v = function (files, ref) {
    var size = ref[0];

    if (isNaN(size)) {
      return false;
    }

    var nSize = Number(size) * 1024;
    for (var i = 0; i < files.length; i++) {
      if (files[i].size > nSize) {
        return false;
      }
    }

    return true;
  };

  var size = {
    validate: validate$v
  };

  var isURL_1 = createCommonjsModule(function (module, exports) {

  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  exports.default = isURL;



  var _assertString2 = _interopRequireDefault(assertString_1);



  var _isFQDN2 = _interopRequireDefault(isFQDN_1);



  var _isIP2 = _interopRequireDefault(isIP_1);



  var _merge2 = _interopRequireDefault(merge_1);

  function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

  var default_url_options = {
    protocols: ['http', 'https', 'ftp'],
    require_tld: true,
    require_protocol: false,
    require_host: true,
    require_valid_protocol: true,
    allow_underscores: false,
    allow_trailing_dot: false,
    allow_protocol_relative_urls: false
  };

  var wrapped_ipv6 = /^\[([^\]]+)\](?::([0-9]+))?$/;

  function isRegExp(obj) {
    return Object.prototype.toString.call(obj) === '[object RegExp]';
  }

  function checkHost(host, matches) {
    for (var i = 0; i < matches.length; i++) {
      var match = matches[i];
      if (host === match || isRegExp(match) && match.test(host)) {
        return true;
      }
    }
    return false;
  }

  function isURL(url, options) {
    (0, _assertString2.default)(url);
    if (!url || url.length >= 2083 || /[\s<>]/.test(url)) {
      return false;
    }
    if (url.indexOf('mailto:') === 0) {
      return false;
    }
    options = (0, _merge2.default)(options, default_url_options);
    var protocol = void 0,
        auth = void 0,
        host = void 0,
        hostname = void 0,
        port = void 0,
        port_str = void 0,
        split = void 0,
        ipv6 = void 0;

    split = url.split('#');
    url = split.shift();

    split = url.split('?');
    url = split.shift();

    split = url.split('://');
    if (split.length > 1) {
      protocol = split.shift();
      if (options.require_valid_protocol && options.protocols.indexOf(protocol) === -1) {
        return false;
      }
    } else if (options.require_protocol) {
      return false;
    } else if (options.allow_protocol_relative_urls && url.substr(0, 2) === '//') {
      split[0] = url.substr(2);
    }
    url = split.join('://');

    if (url === '') {
      return false;
    }

    split = url.split('/');
    url = split.shift();

    if (url === '' && !options.require_host) {
      return true;
    }

    split = url.split('@');
    if (split.length > 1) {
      auth = split.shift();
      if (auth.indexOf(':') >= 0 && auth.split(':').length > 2) {
        return false;
      }
    }
    hostname = split.join('@');

    port_str = null;
    ipv6 = null;
    var ipv6_match = hostname.match(wrapped_ipv6);
    if (ipv6_match) {
      host = '';
      ipv6 = ipv6_match[1];
      port_str = ipv6_match[2] || null;
    } else {
      split = hostname.split(':');
      host = split.shift();
      if (split.length) {
        port_str = split.join(':');
      }
    }

    if (port_str !== null) {
      port = parseInt(port_str, 10);
      if (!/^[0-9]+$/.test(port_str) || port <= 0 || port > 65535) {
        return false;
      }
    }

    if (!(0, _isIP2.default)(host) && !(0, _isFQDN2.default)(host, options) && (!ipv6 || !(0, _isIP2.default)(ipv6, 6))) {
      return false;
    }

    host = host || ipv6;

    if (options.host_whitelist && !checkHost(host, options.host_whitelist)) {
      return false;
    }
    if (options.host_blacklist && checkHost(host, options.host_blacklist)) {
      return false;
    }

    return true;
  }
  module.exports = exports['default'];
  });

  var isURL = unwrapExports(isURL_1);

  var validate$w = function (value, ref) {
    if ( ref === void 0 ) ref = [];
    var requireProtocol = ref[0]; if ( requireProtocol === void 0 ) requireProtocol = false;

    var options = { require_protocol: !!requireProtocol, allow_underscores: true };
    if (isNullOrUndefined(value)) {
      value = '';
    }

    if (Array.isArray(value)) {
      return value.every(function (val) { return isURL(val, options); });
    }

    return isURL(value, options);
  };

  var url = {
    validate: validate$w
  };

  /* eslint-disable camelcase */

  var Rules = /*#__PURE__*/Object.freeze({
    after: after,
    alpha_dash: alpha_dash,
    alpha_num: alpha_num,
    alpha_spaces: alpha_spaces,
    alpha: alpha$1,
    before: before,
    between: between,
    confirmed: confirmed,
    credit_card: credit_card,
    date_between: date_between,
    date_format: date_format,
    decimal: decimal,
    digits: digits,
    dimensions: dimensions,
    email: email,
    ext: ext,
    image: image,
    included: included,
    integer: integer,
    length: length,
    ip: ip,
    is_not: is_not,
    is: is,
    max: max$1,
    max_value: max_value,
    mimes: mimes,
    min: min$1,
    min_value: min_value,
    excluded: excluded,
    numeric: numeric,
    regex: regex,
    required: required,
    size: size,
    url: url
  });

  /**
   * Formates file size.
   *
   * @param {Number|String} size
   */
  var formatFileSize = function (size) {
    var units = ['Byte', 'KB', 'MB', 'GB', 'TB', 'PB', 'EB', 'ZB', 'YB'];
    var threshold = 1024;
    size = Number(size) * threshold;
    var i = size === 0 ? 0 : Math.floor(Math.log(size) / Math.log(threshold));
    return (((size / Math.pow(threshold, i)).toFixed(2) * 1) + " " + (units[i]));
  };

  /**
   * Checks if vee-validate is defined globally.
   */
  var isDefinedGlobally = function () {
    return typeof VeeValidate !== 'undefined';
  };

  var obj;

  var messages = {
    _default: function (field) { return ("The " + field + " value is not valid."); },
    after: function (field, ref) {
      var target = ref[0];
      var inclusion = ref[1];

      return ("The " + field + " must be after " + (inclusion ? 'or equal to ' : '') + target + ".");
  },
    alpha_dash: function (field) { return ("The " + field + " field may contain alpha-numeric characters as well as dashes and underscores."); },
    alpha_num: function (field) { return ("The " + field + " field may only contain alpha-numeric characters."); },
    alpha_spaces: function (field) { return ("The " + field + " field may only contain alphabetic characters as well as spaces."); },
    alpha: function (field) { return ("The " + field + " field may only contain alphabetic characters."); },
    before: function (field, ref) {
      var target = ref[0];
      var inclusion = ref[1];

      return ("The " + field + " must be before " + (inclusion ? 'or equal to ' : '') + target + ".");
  },
    between: function (field, ref) {
      var min = ref[0];
      var max = ref[1];

      return ("The " + field + " field must be between " + min + " and " + max + ".");
  },
    confirmed: function (field) { return ("The " + field + " confirmation does not match."); },
    credit_card: function (field) { return ("The " + field + " field is invalid."); },
    date_between: function (field, ref) {
      var min = ref[0];
      var max = ref[1];

      return ("The " + field + " must be between " + min + " and " + max + ".");
  },
    date_format: function (field, ref) {
      var format = ref[0];

      return ("The " + field + " must be in the format " + format + ".");
  },
    decimal: function (field, ref) {
      if ( ref === void 0 ) ref = [];
      var decimals = ref[0]; if ( decimals === void 0 ) decimals = '*';

      return ("The " + field + " field must be numeric and may contain " + (!decimals || decimals === '*' ? '' : decimals) + " decimal points.");
  },
    digits: function (field, ref) {
      var length = ref[0];

      return ("The " + field + " field must be numeric and exactly contain " + length + " digits.");
  },
    dimensions: function (field, ref) {
      var width = ref[0];
      var height = ref[1];

      return ("The " + field + " field must be " + width + " pixels by " + height + " pixels.");
  },
    email: function (field) { return ("The " + field + " field must be a valid email."); },
    ext: function (field) { return ("The " + field + " field must be a valid file."); },
    image: function (field) { return ("The " + field + " field must be an image."); },
    included: function (field) { return ("The " + field + " field must be a valid value."); },
    integer: function (field) { return ("The " + field + " field must be an integer."); },
    ip: function (field) { return ("The " + field + " field must be a valid ip address."); },
    length: function (field, ref) {
      var length = ref[0];
      var max = ref[1];

      if (max) {
        return ("The " + field + " length must be between " + length + " and " + max + ".");
      }

      return ("The " + field + " length must be " + length + ".");
    },
    max: function (field, ref) {
      var length = ref[0];

      return ("The " + field + " field may not be greater than " + length + " characters.");
  },
    max_value: function (field, ref) {
      var max = ref[0];

      return ("The " + field + " field must be " + max + " or less.");
  },
    mimes: function (field) { return ("The " + field + " field must have a valid file type."); },
    min: function (field, ref) {
      var length = ref[0];

      return ("The " + field + " field must be at least " + length + " characters.");
  },
    min_value: function (field, ref) {
      var min = ref[0];

      return ("The " + field + " field must be " + min + " or more.");
  },
    excluded: function (field) { return ("The " + field + " field must be a valid value."); },
    numeric: function (field) { return ("The " + field + " field may only contain numeric characters."); },
    regex: function (field) { return ("The " + field + " field format is invalid."); },
    required: function (field) { return ("The " + field + " field is required."); },
    size: function (field, ref) {
      var size = ref[0];

      return ("The " + field + " size must be less than " + (formatFileSize(size)) + ".");
  },
    url: function (field) { return ("The " + field + " field is not a valid URL."); }
  };

  var locale$1 = {
    name: 'en',
    messages: messages,
    attributes: {}
  };

  if (isDefinedGlobally()) {
    // eslint-disable-next-line
    VeeValidate.Validator.localize(( obj = {}, obj[locale$1.name] = locale$1, obj ));
  }

  // 

  var LOCALE = 'en';

  var Dictionary = function Dictionary (dictionary) {
    if ( dictionary === void 0 ) dictionary = {};

    this.container = {};
    this.merge(dictionary);
  };

  var prototypeAccessors = { locale: { configurable: true } };

  prototypeAccessors.locale.get = function () {
    return LOCALE;
  };

  prototypeAccessors.locale.set = function (value) {
    LOCALE = value || 'en';
  };

  Dictionary.prototype.hasLocale = function hasLocale (locale) {
    return !!this.container[locale];
  };

  Dictionary.prototype.setDateFormat = function setDateFormat (locale, format) {
    if (!this.container[locale]) {
      this.container[locale] = {};
    }

    this.container[locale].dateFormat = format;
  };

  Dictionary.prototype.getDateFormat = function getDateFormat (locale) {
    if (!this.container[locale] || !this.container[locale].dateFormat) {
      return null;
    }

    return this.container[locale].dateFormat;
  };

  Dictionary.prototype.getMessage = function getMessage (locale, key, data) {
    var message = null;
    if (!this.hasMessage(locale, key)) {
      message = this._getDefaultMessage(locale);
    } else {
      message = this.container[locale].messages[key];
    }

    return isCallable(message) ? message.apply(void 0, data) : message;
  };

  /**
   * Gets a specific message for field. falls back to the rule message.
   */
  Dictionary.prototype.getFieldMessage = function getFieldMessage (locale, field, key, data) {
    if (!this.hasLocale(locale)) {
      return this.getMessage(locale, key, data);
    }

    var dict = this.container[locale].custom && this.container[locale].custom[field];
    if (!dict || !dict[key]) {
      return this.getMessage(locale, key, data);
    }

    var message = dict[key];
    return isCallable(message) ? message.apply(void 0, data) : message;
  };

  Dictionary.prototype._getDefaultMessage = function _getDefaultMessage (locale) {
    if (this.hasMessage(locale, '_default')) {
      return this.container[locale].messages._default;
    }

    return this.container.en.messages._default;
  };

  Dictionary.prototype.getAttribute = function getAttribute (locale, key, fallback) {
      if ( fallback === void 0 ) fallback = '';

    if (!this.hasAttribute(locale, key)) {
      return fallback;
    }

    return this.container[locale].attributes[key];
  };

  Dictionary.prototype.hasMessage = function hasMessage (locale, key) {
    return !! (
      this.hasLocale(locale) &&
            this.container[locale].messages &&
            this.container[locale].messages[key]
    );
  };

  Dictionary.prototype.hasAttribute = function hasAttribute (locale, key) {
    return !! (
      this.hasLocale(locale) &&
            this.container[locale].attributes &&
            this.container[locale].attributes[key]
    );
  };

  Dictionary.prototype.merge = function merge$1$$1 (dictionary) {
    merge$1(this.container, dictionary);
  };

  Dictionary.prototype.setMessage = function setMessage (locale, key, message) {
    if (! this.hasLocale(locale)) {
      this.container[locale] = {
        messages: {},
        attributes: {}
      };
    }

    this.container[locale].messages[key] = message;
  };

  Dictionary.prototype.setAttribute = function setAttribute (locale, key, attribute) {
    if (! this.hasLocale(locale)) {
      this.container[locale] = {
        messages: {},
        attributes: {}
      };
    }

    this.container[locale].attributes[key] = attribute;
  };

  Object.defineProperties( Dictionary.prototype, prototypeAccessors );

  // 

  var normalizeValue = function (value) {
    if (isObject(value)) {
      return Object.keys(value).reduce(function (prev, key) {
        prev[key] = normalizeValue(value[key]);

        return prev;
      }, {});
    }

    if (isCallable(value)) {
      return value('{0}', ['{1}', '{2}', '{3}']);
    }

    return value;
  };

  var normalizeFormat = function (locale) {
    // normalize messages
    var dictionary = {};
    if (locale.messages) {
      dictionary.messages = normalizeValue(locale.messages);
    }

    if (locale.custom) {
      dictionary.custom = normalizeValue(locale.custom);
    }

    if (locale.attributes) {
      dictionary.attributes = locale.attributes;
    }

    if (!isNullOrUndefined(locale.dateFormat)) {
      dictionary.dateFormat = locale.dateFormat;
    }

    return dictionary;
  };

  var I18nDictionary = function I18nDictionary (i18n, rootKey) {
    this.i18n = i18n;
    this.rootKey = rootKey;
  };

  var prototypeAccessors$1 = { locale: { configurable: true } };

  prototypeAccessors$1.locale.get = function () {
    return this.i18n.locale;
  };

  prototypeAccessors$1.locale.set = function (value) {
    warn('Cannot set locale from the validator when using vue-i18n, use i18n.locale setter instead');
  };

  I18nDictionary.prototype.getDateFormat = function getDateFormat (locale) {
    return this.i18n.getDateTimeFormat(locale || this.locale);
  };

  I18nDictionary.prototype.setDateFormat = function setDateFormat (locale, value) {
    this.i18n.setDateTimeFormat(locale || this.locale, value);
  };

  I18nDictionary.prototype.getMessage = function getMessage (locale, key, data) {
    var path = (this.rootKey) + ".messages." + key;
    if (!this.i18n.te(path)) {
      return this.i18n.t(((this.rootKey) + ".messages._default"), locale, data);
    }

    return this.i18n.t(path, locale, data);
  };

  I18nDictionary.prototype.getAttribute = function getAttribute (locale, key, fallback) {
      if ( fallback === void 0 ) fallback = '';

    var path = (this.rootKey) + ".attributes." + key;
    if (!this.i18n.te(path)) {
      return fallback;
    }

    return this.i18n.t(path, locale);
  };

  I18nDictionary.prototype.getFieldMessage = function getFieldMessage (locale, field, key, data) {
    var path = (this.rootKey) + ".custom." + field + "." + key;
    if (this.i18n.te(path)) {
      return this.i18n.t(path);
    }

    return this.getMessage(locale, key, data);
  };

  I18nDictionary.prototype.merge = function merge$1$$1 (dictionary) {
      var this$1 = this;

    Object.keys(dictionary).forEach(function (localeKey) {
        var obj;

      // i18n doesn't deep merge
      // first clone the existing locale (avoid mutations to locale)
      var clone = merge$1({}, getPath((localeKey + "." + (this$1.rootKey)), this$1.i18n.messages, {}));
      // Merge cloned locale with new one
      var locale = merge$1(clone, normalizeFormat(dictionary[localeKey]));
      this$1.i18n.mergeLocaleMessage(localeKey, ( obj = {}, obj[this$1.rootKey] = locale, obj ));
      if (locale.dateFormat) {
        this$1.i18n.setDateTimeFormat(localeKey, locale.dateFormat);
      }
    });
  };

  I18nDictionary.prototype.setMessage = function setMessage (locale, key, value) {
      var obj, obj$1;

    this.merge(( obj$1 = {}, obj$1[locale] = {
        messages: ( obj = {}, obj[key] = value, obj )
      }, obj$1 ));
  };

  I18nDictionary.prototype.setAttribute = function setAttribute (locale, key, value) {
      var obj, obj$1;

    this.merge(( obj$1 = {}, obj$1[locale] = {
        attributes: ( obj = {}, obj[key] = value, obj )
      }, obj$1 ));
  };

  Object.defineProperties( I18nDictionary.prototype, prototypeAccessors$1 );

  // 

  var defaultConfig = {
    locale: 'en',
    delay: 0,
    errorBagName: 'errors',
    dictionary: null,
    strict: true,
    fieldsBagName: 'fields',
    classes: false,
    classNames: null,
    events: 'input',
    inject: true,
    fastExit: true,
    aria: true,
    validity: false,
    i18n: null,
    i18nRootKey: 'validation'
  };

  var currentConfig = assign({}, defaultConfig);
  var dependencies = {
    dictionary: new Dictionary({
      en: {
        messages: {},
        attributes: {},
        custom: {}
      }
    })
  };

  var Config = function Config () {};

  var staticAccessors = { default: { configurable: true },current: { configurable: true } };

  staticAccessors.default.get = function () {
    return defaultConfig;
  };

  staticAccessors.current.get = function () {
    return currentConfig;
  };

  Config.dependency = function dependency (key) {
    return dependencies[key];
  };

  /**
   * Merges the config with a new one.
   */
  Config.merge = function merge (config) {
    currentConfig = assign({}, currentConfig, config);
    if (currentConfig.i18n) {
      Config.register('dictionary', new I18nDictionary(currentConfig.i18n, currentConfig.i18nRootKey));
    }
  };

  /**
   * Registers a dependency.
   */
  Config.register = function register (key, value) {
    dependencies[key] = value;
  };

  /**
   * Resolves the working config from a Vue instance.
   */
  Config.resolve = function resolve (context) {
    var selfConfig = getPath('$options.$_veeValidate', context, {});

    return assign({}, Config.current, selfConfig);
  };

  Object.defineProperties( Config, staticAccessors );

  // 

  var ErrorBag = function ErrorBag (errorBag, id) {
    if ( errorBag === void 0 ) errorBag = null;
    if ( id === void 0 ) id = null;

    this.vmId = id || null;
    // make this bag a mirror of the provided one, sharing the same items reference.
    if (errorBag && errorBag instanceof ErrorBag) {
      this.items = errorBag.items;
    } else {
      this.items = [];
    }
  };

  ErrorBag.prototype[typeof Symbol === 'function' ? Symbol.iterator : '@@iterator'] = function () {
      var this$1 = this;

    var index = 0;
    return {
      next: function () {
        return { value: this$1.items[index++], done: index > this$1.items.length };
      }
    };
  };

  /**
   * Adds an error to the internal array.
   */
  ErrorBag.prototype.add = function add (error) {
      var ref;

    (ref = this.items).push.apply(
      ref, this._normalizeError(error)
    );
  };

  /**
   * Normalizes passed errors to an error array.
   */
  ErrorBag.prototype._normalizeError = function _normalizeError (error) {
      var this$1 = this;

    if (Array.isArray(error)) {
      return error.map(function (e) {
        e.scope = !isNullOrUndefined(e.scope) ? e.scope : null;
        e.vmId = !isNullOrUndefined(e.vmId) ? e.vmId : (this$1.vmId || null);

        return e;
      });
    }

    error.scope = !isNullOrUndefined(error.scope) ? error.scope : null;
    error.vmId = !isNullOrUndefined(error.vmId) ? error.vmId : (this.vmId || null);

    return [error];
  };

  /**
   * Regenrates error messages if they have a generator function.
   */
  ErrorBag.prototype.regenerate = function regenerate () {
    this.items.forEach(function (i) {
      i.msg = isCallable(i.regenerate) ? i.regenerate() : i.msg;
    });
  };

  /**
   * Updates a field error with the new field scope.
   */
  ErrorBag.prototype.update = function update (id, error) {
    var item = find(this.items, function (i) { return i.id === id; });
    if (!item) {
      return;
    }

    var idx = this.items.indexOf(item);
    this.items.splice(idx, 1);
    item.scope = error.scope;
    this.items.push(item);
  };

  /**
   * Gets all error messages from the internal array.
   */
  ErrorBag.prototype.all = function all (scope) {
      var this$1 = this;

    var filterFn = function (item) {
      var matchesScope = true;
      var matchesVM = true;
      if (!isNullOrUndefined(scope)) {
        matchesScope = item.scope === scope;
      }

      if (!isNullOrUndefined(this$1.vmId)) {
        matchesVM = item.vmId === this$1.vmId;
      }

      return matchesVM && matchesScope;
    };

    return this.items.filter(filterFn).map(function (e) { return e.msg; });
  };

  /**
   * Checks if there are any errors in the internal array.
   */
  ErrorBag.prototype.any = function any (scope) {
      var this$1 = this;

    var filterFn = function (item) {
      var matchesScope = true;
      if (!isNullOrUndefined(scope)) {
        matchesScope = item.scope === scope;
      }

      if (!isNullOrUndefined(this$1.vmId)) {
        matchesScope = item.vmId === this$1.vmId;
      }

      return matchesScope;
    };

    return !!this.items.filter(filterFn).length;
  };

  /**
   * Removes all items from the internal array.
   */
  ErrorBag.prototype.clear = function clear (scope) {
      var this$1 = this;

    var matchesVM = isNullOrUndefined(this.id) ? function () { return true; } : function (i) { return i.vmId === this$1.vmId; };
    if (isNullOrUndefined(scope)) {
      scope = null;
    }

    for (var i = 0; i < this.items.length; ++i) {
      if (matchesVM(this$1.items[i]) && this$1.items[i].scope === scope) {
        this$1.items.splice(i, 1);
        --i;
      }
    }
  };

  /**
   * Collects errors into groups or for a specific field.
   */
  ErrorBag.prototype.collect = function collect (field, scope, map) {
      if ( map === void 0 ) map = true;

    var groupErrors = function (items) {
      var fieldsCount = 0;
      var errors = items.reduce(function (collection, error) {
        if (!collection[error.field]) {
          collection[error.field] = [];
          fieldsCount++;
        }

        collection[error.field].push(map ? error.msg : error);

        return collection;
      }, {});

      // reduce the collection to be a single array.
      if (fieldsCount <= 1) {
        return values(errors)[0] || [];
      }

      return errors;
    };

    if (isNullOrUndefined(field)) {
      return groupErrors(this.items);
    }

    var selector = isNullOrUndefined(scope) ? String(field) : (scope + "." + field);
    var ref = this._makeCandidateFilters(selector);
      var isPrimary = ref.isPrimary;
      var isAlt = ref.isAlt;

    var collected = this.items.reduce(function (prev, curr) {
      if (isPrimary(curr)) {
        prev.primary.push(curr);
      }

      if (isAlt(curr)) {
        prev.alt.push(curr);
      }

      return prev;
    }, { primary: [], alt: [] });

    collected = collected.primary.length ? collected.primary : collected.alt;

    return groupErrors(collected);
  };

  /**
   * Gets the internal array length.
   */
  ErrorBag.prototype.count = function count () {
      var this$1 = this;

    if (this.vmId) {
      return this.items.filter(function (e) { return e.vmId === this$1.vmId; }).length;
    }

    return this.items.length;
  };

  /**
   * Finds and fetches the first error message for the specified field id.
   */
  ErrorBag.prototype.firstById = function firstById (id) {
    var error = find(this.items, function (i) { return i.id === id; });

    return error ? error.msg : undefined;
  };

  /**
   * Gets the first error message for a specific field.
   */
  ErrorBag.prototype.first = function first (field, scope) {
      if ( scope === void 0 ) scope = null;

    var selector = isNullOrUndefined(scope) ? field : (scope + "." + field);
    var match = this._match(selector);

    return match && match.msg;
  };

  /**
   * Returns the first error rule for the specified field
   */
  ErrorBag.prototype.firstRule = function firstRule (field, scope) {
    var errors = this.collect(field, scope, false);

    return (errors.length && errors[0].rule) || undefined;
  };

  /**
   * Checks if the internal array has at least one error for the specified field.
   */
  ErrorBag.prototype.has = function has (field, scope) {
      if ( scope === void 0 ) scope = null;

    return !!this.first(field, scope);
  };

  /**
   * Gets the first error message for a specific field and a rule.
   */
  ErrorBag.prototype.firstByRule = function firstByRule (name, rule, scope) {
      if ( scope === void 0 ) scope = null;

    var error = this.collect(name, scope, false).filter(function (e) { return e.rule === rule; })[0];

    return (error && error.msg) || undefined;
  };

  /**
   * Gets the first error message for a specific field that not match the rule.
   */
  ErrorBag.prototype.firstNot = function firstNot (name, rule, scope) {
      if ( rule === void 0 ) rule = 'required';
      if ( scope === void 0 ) scope = null;

    var error = this.collect(name, scope, false).filter(function (e) { return e.rule !== rule; })[0];

    return (error && error.msg) || undefined;
  };

  /**
   * Removes errors by matching against the id or ids.
   */
  ErrorBag.prototype.removeById = function removeById (id) {
      var this$1 = this;

    var condition = function (item) { return item.id === id; };
    if (Array.isArray(id)) {
      condition = function (item) { return id.indexOf(item.id) !== -1; };
    }

    for (var i = 0; i < this.items.length; ++i) {
      if (condition(this$1.items[i])) {
        this$1.items.splice(i, 1);
        --i;
      }
    }
  };

  /**
   * Removes all error messages associated with a specific field.
   */
  ErrorBag.prototype.remove = function remove (field, scope) {
      var this$1 = this;

    if (isNullOrUndefined(field)) {
      return;
    }

    var selector = isNullOrUndefined(scope) ? String(field) : (scope + "." + field);
    var ref = this._makeCandidateFilters(selector);
      var isPrimary = ref.isPrimary;

    for (var i = 0; i < this.items.length; ++i) {
      if (isPrimary(this$1.items[i])) {
        this$1.items.splice(i, 1);
        --i;
      }
    }
  };

  ErrorBag.prototype._makeCandidateFilters = function _makeCandidateFilters (selector) {
      var this$1 = this;

    var matchesRule = function () { return true; };
    var matchesScope = function () { return true; };
    var matchesName = function () { return true; };
    var matchesVM = function () { return true; };

    var ref = parseSelector(selector);
      var id = ref.id;
      var rule = ref.rule;
      var scope = ref.scope;
      var name = ref.name;

    if (rule) {
      matchesRule = function (item) { return item.rule === rule; };
    }

    // match by id, can be combined with rule selection.
    if (id) {
      return {
        isPrimary: function (item) { return matchesRule(item) && (function (item) { return id === item.id; }); },
        isAlt: function () { return false; }
      };
    }

    if (isNullOrUndefined(scope)) {
      // if no scope specified, make sure the found error has no scope.
      matchesScope = function (item) { return isNullOrUndefined(item.scope); };
    } else {
      matchesScope = function (item) { return item.scope === scope; };
    }

    if (!isNullOrUndefined(name) && name !== '*') {
      matchesName = function (item) { return item.field === name; };
    }

    if (!isNullOrUndefined(this.vmId)) {
      matchesVM = function (item) { return item.vmId === this$1.vmId; };
    }

    // matches the first candidate.
    var isPrimary = function (item) {
      return matchesVM(item) && matchesName(item) && matchesRule(item) && matchesScope(item);
    };

    // matches a second candidate, which is a field with a name containing the '.' character.
    var isAlt = function (item) {
      return matchesVM(item) && matchesRule(item) && item.field === (scope + "." + name);
    };

    return {
      isPrimary: isPrimary,
      isAlt: isAlt
    };
  };

  ErrorBag.prototype._match = function _match (selector) {
    if (isNullOrUndefined(selector)) {
      return undefined;
    }

    var ref = this._makeCandidateFilters(selector);
      var isPrimary = ref.isPrimary;
      var isAlt = ref.isAlt;

    return this.items.reduce(function (prev, item, idx, arr) {
      var isLast = idx === arr.length - 1;
      if (prev.primary) {
        return isLast ? prev.primary : prev;
      }

      if (isPrimary(item)) {
        prev.primary = item;
      }

      if (isAlt(item)) {
        prev.alt = item;
      }

      // keep going.
      if (!isLast) {
        return prev;
      }

      return prev.primary || prev.alt;
    }, {});
  };

  /**
   * Generates the options required to construct a field.
   */
  var Resolver = function Resolver () {};

  Resolver.generate = function generate (el, binding, vnode) {
    var model = Resolver.resolveModel(binding, vnode);
    var options = Config.resolve(vnode.context);

    return {
      name: Resolver.resolveName(el, vnode),
      el: el,
      listen: !binding.modifiers.disable,
      bails: binding.modifiers.bails ? true : (binding.modifiers.continues === true ? false : undefined),
      scope: Resolver.resolveScope(el, binding, vnode),
      vm: Resolver.makeVM(vnode.context),
      expression: binding.value,
      component: vnode.componentInstance,
      classes: options.classes,
      classNames: options.classNames,
      getter: Resolver.resolveGetter(el, vnode, model),
      events: Resolver.resolveEvents(el, vnode) || options.events,
      model: model,
      delay: Resolver.resolveDelay(el, vnode, options),
      rules: Resolver.resolveRules(el, binding, vnode),
      immediate: !!binding.modifiers.initial || !!binding.modifiers.immediate,
      validity: options.validity,
      aria: options.aria,
      initialValue: Resolver.resolveInitialValue(vnode)
    };
  };

  Resolver.getCtorConfig = function getCtorConfig (vnode) {
    if (!vnode.componentInstance) { return null; }

    var config = getPath('componentInstance.$options.$_veeValidate', vnode);

    return config;
  };

  /**
   * Resolves the rules defined on an element.
   */
  Resolver.resolveRules = function resolveRules (el, binding, vnode) {
    var rules = '';
    if (!binding.value && (!binding || !binding.expression)) {
      rules = getDataAttribute(el, 'rules');
    }

    if (binding.value && includes(['string', 'object'], typeof binding.value.rules)) {
      rules = binding.value.rules;
    } else if (binding.value) {
      rules = binding.value;
    }

    if (vnode.componentInstance) {
      return rules;
    }

    return fillRulesFromElement(el, rules);
  };

  /**
   * @param {*} vnode
   */
  Resolver.resolveInitialValue = function resolveInitialValue (vnode) {
    var model = vnode.data.model || find(vnode.data.directives, function (d) { return d.name === 'model'; });

    return model && model.value;
  };

  /**
   * Creates a non-circular partial VM instance from a Vue instance.
   * @param {*} vm
   */
  Resolver.makeVM = function makeVM (vm) {
    return {
      get $el () {
        return vm.$el;
      },
      get $refs () {
        return vm.$refs;
      },
      $watch: vm.$watch ? vm.$watch.bind(vm) : function () {},
      $validator: vm.$validator ? {
        errors: vm.$validator.errors,
        validate: vm.$validator.validate.bind(vm.$validator),
        update: vm.$validator.update.bind(vm.$validator)
      } : null
    };
  };

  /**
   * Resolves the delay value.
   * @param {*} el
   * @param {*} vnode
   * @param {Object} options
   */
  Resolver.resolveDelay = function resolveDelay (el, vnode, options) {
    var delay = getDataAttribute(el, 'delay');
    var globalDelay = (options && 'delay' in options) ? options.delay : 0;

    if (!delay && vnode.componentInstance && vnode.componentInstance.$attrs) {
      delay = vnode.componentInstance.$attrs['data-vv-delay'];
    }

    if (!isObject(globalDelay)) {
      return deepParseInt(delay || globalDelay);
    }

    if (!isNullOrUndefined(delay)) {
      globalDelay.input = delay;
    }

    return deepParseInt(globalDelay);
  };

  /**
   * Resolves the events to validate in response to.
   * @param {*} el
   * @param {*} vnode
   */
  Resolver.resolveEvents = function resolveEvents (el, vnode) {
    // resolve it from the root element.
    var events = getDataAttribute(el, 'validate-on');

    // resolve from data-vv-validate-on if its a vue component.
    if (!events && vnode.componentInstance && vnode.componentInstance.$attrs) {
      events = vnode.componentInstance.$attrs['data-vv-validate-on'];
    }

    // resolve it from $_veeValidate options.
    if (!events && vnode.componentInstance) {
      var config = Resolver.getCtorConfig(vnode);
      events = config && config.events;
    }

    if (!events && Config.current.events) {
      events = Config.current.events;
    }

    // resolve the model event if its configured for custom components.
    if (events && vnode.componentInstance && includes(events, 'input')) {
      var ref = vnode.componentInstance.$options.model || { event: 'input' };
        var event = ref.event;
      events = events.replace('input', event);
    }

    return events;
  };

  /**
   * Resolves the scope for the field.
   * @param {*} el
   * @param {*} binding
   */
  Resolver.resolveScope = function resolveScope (el, binding, vnode) {
      if ( vnode === void 0 ) vnode = {};

    var scope = null;
    if (vnode.componentInstance && isNullOrUndefined(scope)) {
      scope = vnode.componentInstance.$attrs && vnode.componentInstance.$attrs['data-vv-scope'];
    }

    return !isNullOrUndefined(scope) ? scope : getScope(el);
  };

  /**
   * Checks if the node directives contains a v-model or a specified arg.
   * Args take priority over models.
   *
   * @return {Object}
   */
  Resolver.resolveModel = function resolveModel (binding, vnode) {
    if (binding.arg) {
      return { expression: binding.arg };
    }

    var model = vnode.data.model || find(vnode.data.directives, function (d) { return d.name === 'model'; });
    if (!model) {
      return null;
    }

    // https://github.com/vuejs/vue/blob/dev/src/core/util/lang.js#L26
    var watchable = !/[^\w.$]/.test(model.expression) && hasPath(model.expression, vnode.context);
    var lazy = !!(model.modifiers && model.modifiers.lazy);

    if (!watchable) {
      return { expression: null, lazy: lazy };
    }

    return { expression: model.expression, lazy: lazy };
  };

  /**
   * Resolves the field name to trigger validations.
   * @return {String} The field name.
   */
  Resolver.resolveName = function resolveName (el, vnode) {
    var name = getDataAttribute(el, 'name');

    if (!name && !vnode.componentInstance) {
      return el.name;
    }

    if (!name && vnode.componentInstance && vnode.componentInstance.$attrs) {
      name = vnode.componentInstance.$attrs['data-vv-name'] || vnode.componentInstance.$attrs['name'];
    }

    if (!name && vnode.componentInstance) {
      var config = Resolver.getCtorConfig(vnode);
      if (config && isCallable(config.name)) {
        var boundGetter = config.name.bind(vnode.componentInstance);

        return boundGetter();
      }

      return vnode.componentInstance.name;
    }

    return name;
  };

  /**
   * Returns a value getter input type.
   */
  Resolver.resolveGetter = function resolveGetter (el, vnode, model) {
    if (model && model.expression) {
      return function () {
        return getPath(model.expression, vnode.context);
      };
    }

    if (vnode.componentInstance) {
      var path = getDataAttribute(el, 'value-path') || (vnode.componentInstance.$attrs && vnode.componentInstance.$attrs['data-vv-value-path']);
      if (path) {
        return function () {
          return getPath(path, vnode.componentInstance);
        };
      }

      var config = Resolver.getCtorConfig(vnode);
      if (config && isCallable(config.value)) {
        var boundGetter = config.value.bind(vnode.componentInstance);

        return function () {
          return boundGetter();
        };
      }

      var ref = vnode.componentInstance.$options.model || { prop: 'value' };
        var prop = ref.prop;

      return function () {
        return vnode.componentInstance[prop];
      };
    }

    switch (el.type) {
    case 'checkbox': return function () {
      var els = document.querySelectorAll(("input[name=\"" + (el.name) + "\"]"));

      els = toArray(els).filter(function (el) { return el.checked; });
      if (!els.length) { return undefined; }

      return els.map(function (checkbox) { return checkbox.value; });
    };
    case 'radio': return function () {
      var els = document.querySelectorAll(("input[name=\"" + (el.name) + "\"]"));
      var elm = find(els, function (el) { return el.checked; });

      return elm && elm.value;
    };
    case 'file': return function (context) {
      return toArray(el.files);
    };
    case 'select-multiple': return function () {
      return toArray(el.options).filter(function (opt) { return opt.selected; }).map(function (opt) { return opt.value; });
    };
    default: return function () {
      return el && el.value;
    };
    }
  };

  // 

  var RULES = {};
  var STRICT_MODE = true;

  var Validator = function Validator (validations, options) {
    if ( options === void 0 ) options = { fastExit: true };

    this.strict = STRICT_MODE;
    this.errors = new ErrorBag();
    this.fields = new FieldBag();
    this._createFields(validations);
    this.paused = false;
    this.fastExit = !isNullOrUndefined(options && options.fastExit) ? options.fastExit : true;
  };

  var prototypeAccessors$2 = { rules: { configurable: true },flags: { configurable: true },dictionary: { configurable: true },_vm: { configurable: true },locale: { configurable: true } };
  var staticAccessors$1 = { rules: { configurable: true },dictionary: { configurable: true },locale: { configurable: true } };

  staticAccessors$1.rules.get = function () {
    return RULES;
  };

  prototypeAccessors$2.rules.get = function () {
    return RULES;
  };

  prototypeAccessors$2.flags.get = function () {
    return this.fields.items.reduce(function (acc, field) {
        var obj;

      if (field.scope) {
        acc[("$" + (field.scope))] = ( obj = {}, obj[field.name] = field.flags, obj );

        return acc;
      }

      acc[field.name] = field.flags;

      return acc;
    }, {});
  };

  /**
   * Getter for the dictionary.
   */
  prototypeAccessors$2.dictionary.get = function () {
    return Config.dependency('dictionary');
  };

  staticAccessors$1.dictionary.get = function () {
    return Config.dependency('dictionary');
  };

  prototypeAccessors$2._vm.get = function () {
    return Config.dependency('vm');
  };

  /**
   * Getter for the current locale.
   */
  prototypeAccessors$2.locale.get = function () {
    return Validator.locale;
  };

  /**
   * Setter for the validator locale.
   */
  prototypeAccessors$2.locale.set = function (value) {
    Validator.locale = value;
  };

  staticAccessors$1.locale.get = function () {
    return this.dictionary.locale;
  };

  /**
   * Setter for the validator locale.
   */
  staticAccessors$1.locale.set = function (value) {
    var hasChanged = value !== Validator.dictionary.locale;
    Validator.dictionary.locale = value;
    if (hasChanged && Config.dependency('vm')) {
      Config.dependency('vm').$emit('localeChanged');
    }
  };

  /**
   * Static constructor.
   */
  Validator.create = function create (validations, options) {
    return new Validator(validations, options);
  };

  /**
   * Adds a custom validator to the list of validation rules.
   */
  Validator.extend = function extend (name, validator, options) {
      if ( options === void 0 ) options = {};

    Validator._guardExtend(name, validator);
    Validator._merge(name, {
      validator: validator,
      options: assign({}, { hasTarget: false, immediate: true }, options || {})
    });
  };

  /**
   * Removes a rule from the list of validators.
   */
  Validator.remove = function remove (name) {
    delete RULES[name];
  };

  /**
   * Checks if the given rule name is a rule that targets other fields.
   */
  Validator.isTargetRule = function isTargetRule (name) {
    return !!RULES[name] && RULES[name].options.hasTarget;
  };

  /**
   * Sets the operating mode for all newly created validators.
   * strictMode = true: Values without a rule are invalid and cause failure.
   * strictMode = false: Values without a rule are valid and are skipped.
   */
  Validator.setStrictMode = function setStrictMode (strictMode) {
      if ( strictMode === void 0 ) strictMode = true;

    STRICT_MODE = strictMode;
  };

  /**
   * Adds and sets the current locale for the validator.
   */
  Validator.prototype.localize = function localize (lang, dictionary) {
    Validator.localize(lang, dictionary);
  };

  /**
   * Adds and sets the current locale for the validator.
   */
  Validator.localize = function localize (lang, dictionary) {
      var obj;

    if (isObject(lang)) {
      Validator.dictionary.merge(lang);
      return;
    }

    // merge the dictionary.
    if (dictionary) {
      var locale = lang || dictionary.name;
      dictionary = assign({}, dictionary);
      Validator.dictionary.merge(( obj = {}, obj[locale] = dictionary, obj ));
    }

    if (lang) {
      // set the locale.
      Validator.locale = lang;
    }
  };

  /**
   * Registers a field to be validated.
   */
  Validator.prototype.attach = function attach (fieldOpts) {
    // fixes initial value detection with v-model and select elements.
    var value = fieldOpts.initialValue;
    var field = new Field(fieldOpts);
    this.fields.push(field);

    // validate the field initially
    if (field.immediate) {
      this.validate(("#" + (field.id)), value || field.value);
    } else {
      this._validate(field, value || field.value, { initial: true }).then(function (result) {
        field.flags.valid = result.valid;
        field.flags.invalid = !result.valid;
      });
    }

    return field;
  };

  /**
   * Sets the flags on a field.
   */
  Validator.prototype.flag = function flag (name, flags, uid) {
      if ( uid === void 0 ) uid = null;

    var field = this._resolveField(name, undefined, uid);
    if (!field || !flags) {
      return;
    }

    field.setFlags(flags);
  };

  /**
   * Removes a field from the validator.
   */
  Validator.prototype.detach = function detach (name, scope, uid) {
    var field = isCallable(name.destroy) ? name : this._resolveField(name, scope, uid);
    if (!field) { return; }

    field.destroy();
    this.errors.remove(field.name, field.scope, field.id);
    this.fields.remove(field);
  };

  /**
   * Adds a custom validator to the list of validation rules.
   */
  Validator.prototype.extend = function extend (name, validator, options) {
      if ( options === void 0 ) options = {};

    Validator.extend(name, validator, options);
  };

  Validator.prototype.reset = function reset (matcher) {
      var this$1 = this;

    // two ticks
    return this._vm.$nextTick().then(function () {
      return this$1._vm.$nextTick();
    }).then(function () {
      this$1.fields.filter(matcher).forEach(function (field) {
        field.reset(); // reset field flags.
        this$1.errors.remove(field.name, field.scope, field.id);
      });
    });
  };

  /**
   * Updates a field, updating both errors and flags.
   */
  Validator.prototype.update = function update (id, ref) {
      var scope = ref.scope;

    var field = this._resolveField(("#" + id));
    if (!field) { return; }

    // remove old scope.
    this.errors.update(id, { scope: scope });
  };

  /**
   * Removes a rule from the list of validators.
   */
  Validator.prototype.remove = function remove (name) {
    Validator.remove(name);
  };

  /**
   * Validates a value against a registered field validations.
   */
  Validator.prototype.validate = function validate (fieldDescriptor, value, ref) {
      var this$1 = this;
      if ( ref === void 0 ) ref = {};
      var silent = ref.silent;
      var vmId = ref.vmId;

    if (this.paused) { return Promise.resolve(true); }

    // overload to validate all.
    if (isNullOrUndefined(fieldDescriptor)) {
      return this.validateScopes({ silent: silent, vmId: vmId });
    }

    // overload to validate scope-less fields.
    if (fieldDescriptor === '*') {
      return this.validateAll(undefined, { silent: silent, vmId: vmId });
    }

    // if scope validation was requested.
    if (/^(.+)\.\*$/.test(fieldDescriptor)) {
      var matched = fieldDescriptor.match(/^(.+)\.\*$/)[1];
      return this.validateAll(matched);
    }

    var field = this._resolveField(fieldDescriptor);
    if (!field) {
      return this._handleFieldNotFound(name);
    }

    if (!silent) { field.flags.pending = true; }
    if (value === undefined) {
      value = field.value;
    }

    return this._validate(field, value).then(function (result) {
      if (!silent) {
        this$1._handleValidationResults([result]);
      }

      return result.valid;
    });
  };

  /**
   * Pauses the validator.
   */
  Validator.prototype.pause = function pause () {
    this.paused = true;

    return this;
  };

  /**
   * Resumes the validator.
   */
  Validator.prototype.resume = function resume () {
    this.paused = false;

    return this;
  };

  /**
   * Validates each value against the corresponding field validations.
   */
  Validator.prototype.validateAll = function validateAll (values$$1, ref) {
      var this$1 = this;
      if ( ref === void 0 ) ref = {};
      var silent = ref.silent;
      var vmId = ref.vmId;

    if (this.paused) { return Promise.resolve(true); }

    var matcher = null;
    var providedValues = false;

    if (typeof values$$1 === 'string') {
      matcher = { scope: values$$1, vmId: vmId };
    } else if (isObject(values$$1)) {
      matcher = Object.keys(values$$1).map(function (key) {
        return { name: key, vmId: vmId, scope: null };
      });
      providedValues = true;
    } else if (Array.isArray(values$$1)) {
      matcher = values$$1.map(function (key) {
        return { name: key, vmId: vmId };
      });
    } else {
      matcher = { scope: null, vmId: vmId };
    }

    return Promise.all(
      this.fields.filter(matcher).map(function (field) { return this$1._validate(field, providedValues ? values$$1[field.name] : field.value); })
    ).then(function (results) {
      if (!silent) {
        this$1._handleValidationResults(results);
      }

      return results.every(function (t) { return t.valid; });
    });
  };

  /**
   * Validates all scopes.
   */
  Validator.prototype.validateScopes = function validateScopes (ref) {
      var this$1 = this;
      if ( ref === void 0 ) ref = {};
      var silent = ref.silent;
      var vmId = ref.vmId;

    if (this.paused) { return Promise.resolve(true); }

    return Promise.all(
      this.fields.filter({ vmId: vmId }).map(function (field) { return this$1._validate(field, field.value); })
    ).then(function (results) {
      if (!silent) {
        this$1._handleValidationResults(results);
      }

      return results.every(function (t) { return t.valid; });
    });
  };

  /**
   * Perform cleanup.
   */
  Validator.prototype.destroy = function destroy () {
    this._vm.$off('localeChanged');
  };

  /**
   * Creates the fields to be validated.
   */
  Validator.prototype._createFields = function _createFields (validations) {
      var this$1 = this;

    if (!validations) { return; }

    Object.keys(validations).forEach(function (field) {
      var options = assign({}, { name: field, rules: validations[field] });
      this$1.attach(options);
    });
  };

  /**
   * Date rules need the existence of a format, so date_format must be supplied.
   */
  Validator.prototype._getDateFormat = function _getDateFormat (validations) {
    var format = null;
    if (validations.date_format && Array.isArray(validations.date_format)) {
      format = validations.date_format[0];
    }

    return format || this.dictionary.getDateFormat(this.locale);
  };

  /**
   * Formats an error message for field and a rule.
   */
  Validator.prototype._formatErrorMessage = function _formatErrorMessage (field, rule, data, targetName) {
      if ( data === void 0 ) data = {};
      if ( targetName === void 0 ) targetName = null;

    var name = this._getFieldDisplayName(field);
    var params = this._getLocalizedParams(rule, targetName);

    return this.dictionary.getFieldMessage(this.locale, field.name, rule.name, [name, params, data]);
  };

  /**
   * Translates the parameters passed to the rule (mainly for target fields).
   */
  Validator.prototype._getLocalizedParams = function _getLocalizedParams (rule, targetName) {
      if ( targetName === void 0 ) targetName = null;

    if (rule.options.hasTarget && rule.params && rule.params[0]) {
      var localizedName = targetName || this.dictionary.getAttribute(this.locale, rule.params[0], rule.params[0]);
      return [localizedName].concat(rule.params.slice(1));
    }

    return rule.params;
  };

  /**
   * Resolves an appropriate display name, first checking 'data-as' or the registered 'prettyName'
   */
  Validator.prototype._getFieldDisplayName = function _getFieldDisplayName (field) {
    return field.alias || this.dictionary.getAttribute(this.locale, field.name, field.name);
  };

  /**
   * Tests a single input value against a rule.
   */
  Validator.prototype._test = function _test (field, value, rule) {
      var this$1 = this;

    var validator = RULES[rule.name] ? RULES[rule.name].validate : null;
    var params = Array.isArray(rule.params) ? toArray(rule.params) : [];
    var targetName = null;
    if (!validator || typeof validator !== 'function') {
      return Promise.reject(createError(("No such validator '" + (rule.name) + "' exists.")));
    }

    // has field dependencies.
    if (rule.options.hasTarget) {
      var target = find(field.dependencies, function (d) { return d.name === rule.name; });
      if (target) {
        targetName = target.field.alias;
        params = [target.field.value].concat(params.slice(1));
      }
    } else if (rule.name === 'required' && field.rejectsFalse) {
      // invalidate false if no args were specified and the field rejects false by default.
      params = params.length ? params : [true];
    }

    if (rule.options.isDate) {
      var dateFormat = this._getDateFormat(field.rules);
      if (rule.name !== 'date_format') {
        params.push(dateFormat);
      }
    }

    var result = validator(value, params);

    // If it is a promise.
    if (isCallable(result.then)) {
      return result.then(function (values$$1) {
        var allValid = true;
        var data = {};
        if (Array.isArray(values$$1)) {
          allValid = values$$1.every(function (t) { return (isObject(t) ? t.valid : t); });
        } else { // Is a single object/boolean.
          allValid = isObject(values$$1) ? values$$1.valid : values$$1;
          data = values$$1.data;
        }

        return {
          valid: allValid,
          errors: allValid ? [] : [this$1._createFieldError(field, rule, data, targetName)]
        };
      });
    }

    if (!isObject(result)) {
      result = { valid: result, data: {} };
    }

    return {
      valid: result.valid,
      errors: result.valid ? [] : [this._createFieldError(field, rule, result.data, targetName)]
    };
  };

  /**
   * Merges a validator object into the RULES and Messages.
   */
  Validator._merge = function _merge (name, ref) {
      var validator = ref.validator;
      var options = ref.options;

    var validate = isCallable(validator) ? validator : validator.validate;
    if (validator.getMessage) {
      Validator.dictionary.setMessage(Validator.locale, name, validator.getMessage);
    }

    RULES[name] = {
      validate: validate,
      options: options
    };
  };

  /**
   * Guards from extension violations.
   */
  Validator._guardExtend = function _guardExtend (name, validator) {
    if (isCallable(validator)) {
      return;
    }

    if (!isCallable(validator.validate)) {
      throw createError(
        ("Extension Error: The validator '" + name + "' must be a function or have a 'validate' method.")
      );
    }
  };

  /**
   * Creates a Field Error Object.
   */
  Validator.prototype._createFieldError = function _createFieldError (field, rule, data, targetName) {
      var this$1 = this;

    return {
      id: field.id,
      vmId: field.vmId,
      field: field.name,
      msg: this._formatErrorMessage(field, rule, data, targetName),
      rule: rule.name,
      scope: field.scope,
      regenerate: function () {
        return this$1._formatErrorMessage(field, rule, data, targetName);
      }
    };
  };

  /**
   * Tries different strategies to find a field.
   */
  Validator.prototype._resolveField = function _resolveField (name, scope, uid) {
    if (name[0] === '#') {
      return this.fields.find({ id: name.slice(1) });
    }

    if (!isNullOrUndefined(scope)) {
      return this.fields.find({ name: name, scope: scope, vmId: uid });
    }

    if (includes(name, '.')) {
      var ref = name.split('.');
        var fieldScope = ref[0];
        var fieldName = ref.slice(1);
      var field = this.fields.find({ name: fieldName.join('.'), scope: fieldScope, vmId: uid });
      if (field) {
        return field;
      }
    }

    return this.fields.find({ name: name, scope: null, vmId: uid });
  };

  /**
   * Handles when a field is not found depending on the strict flag.
   */
  Validator.prototype._handleFieldNotFound = function _handleFieldNotFound (name, scope) {
    if (!this.strict) { return Promise.resolve(true); }

    var fullName = isNullOrUndefined(scope) ? name : ("" + (!isNullOrUndefined(scope) ? scope + '.' : '') + name);

    return Promise.reject(createError(
      ("Validating a non-existent field: \"" + fullName + "\". Use \"attach()\" first.")
    ));
  };

  /**
   * Handles validation results.
   */
  Validator.prototype._handleValidationResults = function _handleValidationResults (results) {
      var this$1 = this;

    var matchers = results.map(function (result) { return ({ id: result.id }); });
    this.errors.removeById(matchers.map(function (m) { return m.id; }));
    // remove by name and scope to remove any custom errors added.
    results.forEach(function (result) {
      this$1.errors.remove(result.field, result.scope);
    });
    var allErrors = results.reduce(function (prev, curr) {
      prev.push.apply(prev, curr.errors);

      return prev;
    }, []);

    this.errors.add(allErrors);

    // handle flags.
    this.fields.filter(matchers).forEach(function (field) {
      var result = find(results, function (r) { return r.id === field.id; });
      field.setFlags({
        pending: false,
        valid: result.valid,
        validated: true
      });
    });
  };

  Validator.prototype._shouldSkip = function _shouldSkip (field, value) {
    // field is configured to run through the pipeline regardless
    if (field.bails === false) {
      return false;
    }

    // disabled fields are skipped
    if (field.isDisabled) {
      return true;
    }

    // skip if the field is not required and has an empty value.
    return !field.isRequired && (isNullOrUndefined(value) || value === '');
  };

  Validator.prototype._shouldBail = function _shouldBail (field, value) {
    // if the field was configured explicitly.
    if (field.bails !== undefined) {
      return field.bails;
    }

    return this.fastExit;
  };

  /**
   * Starts the validation process.
   */
  Validator.prototype._validate = function _validate (field, value, ref) {
      var this$1 = this;
      if ( ref === void 0 ) ref = {};
      var initial = ref.initial;

    if (this._shouldSkip(field, value)) {
      return Promise.resolve({ valid: true, id: field.id, field: field.name, scope: field.scope, errors: [] });
    }

    var promises = [];
    var errors = [];
    var isExitEarly = false;
    // use of '.some()' is to break iteration in middle by returning true
    Object.keys(field.rules).filter(function (rule) {
      if (!initial || !RULES[rule]) { return true; }

      return RULES[rule].options.immediate;
    }).some(function (rule) {
      var ruleOptions = RULES[rule] ? RULES[rule].options : {};
      var result = this$1._test(field, value, { name: rule, params: field.rules[rule], options: ruleOptions });
      if (isCallable(result.then)) {
        promises.push(result);
      } else if (!result.valid && this$1._shouldBail(field, value)) {
        errors.push.apply(errors, result.errors);
        isExitEarly = true;
      } else {
        // promisify the result.
        promises.push(new Promise(function (resolve) { return resolve(result); }));
      }

      return isExitEarly;
    });

    if (isExitEarly) {
      return Promise.resolve({ valid: false, errors: errors, id: field.id, field: field.name, scope: field.scope });
    }

    return Promise.all(promises).then(function (results) {
      return results.reduce(function (prev, v) {
          var ref;

        if (!v.valid) {
          (ref = prev.errors).push.apply(ref, v.errors);
        }

        prev.valid = prev.valid && v.valid;

        return prev;
      }, { valid: true, errors: errors, id: field.id, field: field.name, scope: field.scope });
    });
  };

  Object.defineProperties( Validator.prototype, prototypeAccessors$2 );
  Object.defineProperties( Validator, staticAccessors$1 );

  // 

  var DEFAULT_OPTIONS = {
    targetOf: null,
    immediate: false,
    scope: null,
    listen: true,
    name: null,
    rules: {},
    vm: null,
    classes: false,
    validity: true,
    aria: true,
    events: 'input|blur',
    delay: 0,
    classNames: {
      touched: 'touched', // the control has been blurred
      untouched: 'untouched', // the control hasn't been blurred
      valid: 'valid', // model is valid
      invalid: 'invalid', // model is invalid
      pristine: 'pristine', // control has not been interacted with
      dirty: 'dirty' // control has been interacted with
    }
  };

  var Field = function Field (options) {
    if ( options === void 0 ) options = {};

    this.id = uniqId();
    this.el = options.el;
    this.updated = false;
    this.dependencies = [];
    this.vmId = options.vmId;
    this.watchers = [];
    this.events = [];
    this.delay = 0;
    this.rules = {};
    this._cacheId(options);
    this.classNames = assign({}, DEFAULT_OPTIONS.classNames);
    options = assign({}, DEFAULT_OPTIONS, options);
    this._delay = !isNullOrUndefined(options.delay) ? options.delay : 0; // cache initial delay
    this.validity = options.validity;
    this.aria = options.aria;
    this.flags = createFlags();
    this.vm = options.vm;
    this.componentInstance = options.component;
    this.ctorConfig = this.componentInstance ? getPath('$options.$_veeValidate', this.componentInstance) : undefined;
    this.update(options);
    // set initial value.
    this.initialValue = this.value;
    this.updated = false;
  };

  var prototypeAccessors$3 = { validator: { configurable: true },isRequired: { configurable: true },isDisabled: { configurable: true },alias: { configurable: true },value: { configurable: true },bails: { configurable: true },rejectsFalse: { configurable: true } };

  prototypeAccessors$3.validator.get = function () {
    if (!this.vm || !this.vm.$validator) {
      return { validate: function () {} };
    }

    return this.vm.$validator;
  };

  prototypeAccessors$3.isRequired.get = function () {
    return !!this.rules.required;
  };

  prototypeAccessors$3.isDisabled.get = function () {
    return !!(this.componentInstance && this.componentInstance.disabled) || !!(this.el && this.el.disabled);
  };

  /**
   * Gets the display name (user-friendly name).
   */
  prototypeAccessors$3.alias.get = function () {
    if (this._alias) {
      return this._alias;
    }

    var alias = null;
    if (this.el) {
      alias = getDataAttribute(this.el, 'as');
    }

    if (!alias && this.componentInstance) {
      return this.componentInstance.$attrs && this.componentInstance.$attrs['data-vv-as'];
    }

    return alias;
  };

  /**
   * Gets the input value.
   */

  prototypeAccessors$3.value.get = function () {
    if (!isCallable(this.getter)) {
      return undefined;
    }

    return this.getter();
  };

  prototypeAccessors$3.bails.get = function () {
    return this._bails;
  };

  /**
   * If the field rejects false as a valid value for the required rule.
   */

  prototypeAccessors$3.rejectsFalse.get = function () {
    if (this.componentInstance && this.ctorConfig) {
      return !!this.ctorConfig.rejectsFalse;
    }

    if (!this.el) {
      return false;
    }

    return this.el.type === 'checkbox';
  };

  /**
   * Determines if the instance matches the options provided.
   */
  Field.prototype.matches = function matches (options) {
      var this$1 = this;

    if (!options) {
      return true;
    }

    if (options.id) {
      return this.id === options.id;
    }

    var matchesComponentId = isNullOrUndefined(options.vmId) ? function () { return true; } : function (id) { return id === this$1.vmId; };
    if (!matchesComponentId(options.vmId)) {
      return false;
    }

    if (options.name === undefined && options.scope === undefined) {
      return true;
    }

    if (options.scope === undefined) {
      return this.name === options.name;
    }

    if (options.name === undefined) {
      return this.scope === options.scope;
    }

    return options.name === this.name && options.scope === this.scope;
  };

  /**
   * Caches the field id.
   */
  Field.prototype._cacheId = function _cacheId (options) {
    if (this.el && !options.targetOf) {
      this.el._veeValidateId = this.id;
    }
  };

  /**
   * Updates the field with changed data.
   */
  Field.prototype.update = function update (options) {
    this.targetOf = options.targetOf || null;
    this.immediate = options.immediate || this.immediate || false;

    // update errors scope if the field scope was changed.
    if (!isNullOrUndefined(options.scope) && options.scope !== this.scope && isCallable(this.validator.update)) {
      this.validator.update(this.id, { scope: options.scope });
    }
    this.scope = !isNullOrUndefined(options.scope) ? options.scope
      : !isNullOrUndefined(this.scope) ? this.scope : null;
    this.name = (!isNullOrUndefined(options.name) ? String(options.name) : options.name) || this.name || null;
    this.rules = options.rules !== undefined ? normalizeRules(options.rules) : this.rules;
    this._bails = options.bails !== undefined ? options.bails : this._bails;
    this.model = options.model || this.model;
    this.listen = options.listen !== undefined ? options.listen : this.listen;
    this.classes = (options.classes || this.classes || false) && !this.componentInstance;
    this.classNames = isObject(options.classNames) ? merge$1(this.classNames, options.classNames) : this.classNames;
    this.getter = isCallable(options.getter) ? options.getter : this.getter;
    this._alias = options.alias || this._alias;
    this.events = (options.events) ? makeEventsArray(options.events) : this.events;
    this.delay = makeDelayObject(this.events, options.delay || this.delay, this._delay);
    this.updateDependencies();
    this.addActionListeners();

    if (!this.name && !this.targetOf) {
      warn('A field is missing a "name" or "data-vv-name" attribute');
    }

    // update required flag flags
    if (options.rules !== undefined) {
      this.flags.required = this.isRequired;
    }

    // validate if it was validated before and field was updated and there was a rules mutation.
    if (this.flags.validated && options.rules !== undefined && this.updated) {
      this.validator.validate(("#" + (this.id)));
    }

    this.updated = true;
    this.addValueListeners();

    // no need to continue.
    if (!this.el) {
      return;
    }
    this.updateClasses();
    this.updateAriaAttrs();
  };

  /**
   * Resets field flags and errors.
   */
  Field.prototype.reset = function reset () {
      var this$1 = this;

    if (this._cancellationToken) {
      this._cancellationToken.cancelled = true;
      delete this._cancellationToken;
    }

    var defaults = createFlags();
    Object.keys(this.flags).filter(function (flag) { return flag !== 'required'; }).forEach(function (flag) {
      this$1.flags[flag] = defaults[flag];
    });

    this.addActionListeners();
    this.updateClasses();
    this.updateAriaAttrs();
    this.updateCustomValidity();
  };

  /**
   * Sets the flags and their negated counterparts, and updates the classes and re-adds action listeners.
   */
  Field.prototype.setFlags = function setFlags (flags) {
      var this$1 = this;

    var negated = {
      pristine: 'dirty',
      dirty: 'pristine',
      valid: 'invalid',
      invalid: 'valid',
      touched: 'untouched',
      untouched: 'touched'
    };

    Object.keys(flags).forEach(function (flag) {
      this$1.flags[flag] = flags[flag];
      // if it has a negation and was not specified, set it as well.
      if (negated[flag] && flags[negated[flag]] === undefined) {
        this$1.flags[negated[flag]] = !flags[flag];
      }
    });

    if (
      flags.untouched !== undefined ||
      flags.touched !== undefined ||
      flags.dirty !== undefined ||
      flags.pristine !== undefined
    ) {
      this.addActionListeners();
    }
    this.updateClasses();
    this.updateAriaAttrs();
    this.updateCustomValidity();
  };

  /**
   * Determines if the field requires references to target fields.
  */
  Field.prototype.updateDependencies = function updateDependencies () {
      var this$1 = this;

    // reset dependencies.
    this.dependencies.forEach(function (d) { return d.field.destroy(); });
    this.dependencies = [];

    // we get the selectors for each field.
    var fields = Object.keys(this.rules).reduce(function (prev, r) {
      if (Validator.isTargetRule(r)) {
        prev.push({ selector: this$1.rules[r][0], name: r });
      }

      return prev;
    }, []);

    if (!fields.length || !this.vm || !this.vm.$el) { return; }

    // must be contained within the same component, so we use the vm root element constrain our dom search.
    fields.forEach(function (ref$1) {
        var selector = ref$1.selector;
        var name = ref$1.name;

      var ref = this$1.vm.$refs[selector];
      var el = Array.isArray(ref) ? ref[0] : ref;
      if (!el) {
        return;
      }

      var options = {
        vm: this$1.vm,
        classes: this$1.classes,
        classNames: this$1.classNames,
        delay: this$1.delay,
        scope: this$1.scope,
        events: this$1.events.join('|'),
        immediate: this$1.immediate,
        targetOf: this$1.id
      };

      // probably a component.
      if (isCallable(el.$watch)) {
        options.component = el;
        options.el = el.$el;
        options.getter = Resolver.resolveGetter(el.$el, el.$vnode);
      } else {
        options.el = el;
        options.getter = Resolver.resolveGetter(el, {});
      }

      this$1.dependencies.push({ name: name, field: new Field(options) });
    });
  };

  /**
   * Removes listeners.
   */
  Field.prototype.unwatch = function unwatch (tag) {
      if ( tag === void 0 ) tag = null;

    if (!tag) {
      this.watchers.forEach(function (w) { return w.unwatch(); });
      this.watchers = [];
      return;
    }

    this.watchers.filter(function (w) { return tag.test(w.tag); }).forEach(function (w) { return w.unwatch(); });
    this.watchers = this.watchers.filter(function (w) { return !tag.test(w.tag); });
  };

  /**
   * Updates the element classes depending on each field flag status.
   */
  Field.prototype.updateClasses = function updateClasses () {
      var this$1 = this;

    if (!this.classes || this.isDisabled) { return; }
    var applyClasses = function (el) {
      toggleClass(el, this$1.classNames.dirty, this$1.flags.dirty);
      toggleClass(el, this$1.classNames.pristine, this$1.flags.pristine);
      toggleClass(el, this$1.classNames.touched, this$1.flags.touched);
      toggleClass(el, this$1.classNames.untouched, this$1.flags.untouched);
      // make sure we don't set any classes if the state is undetermined.
      if (!isNullOrUndefined(this$1.flags.valid) && this$1.flags.validated) {
        toggleClass(el, this$1.classNames.valid, this$1.flags.valid);
      }

      if (!isNullOrUndefined(this$1.flags.invalid) && this$1.flags.validated) {
        toggleClass(el, this$1.classNames.invalid, this$1.flags.invalid);
      }
    };

    if (!isCheckboxOrRadioInput(this.el)) {
      applyClasses(this.el);
      return;
    }

    var els = document.querySelectorAll(("input[name=\"" + (this.el.name) + "\"]"));
    toArray(els).forEach(applyClasses);
  };

  /**
   * Adds the listeners required for automatic classes and some flags.
   */
  Field.prototype.addActionListeners = function addActionListeners () {
      var this$1 = this;

    // remove previous listeners.
    this.unwatch(/class/);

    if (!this.el) { return; }

    var onBlur = function () {
      this$1.flags.touched = true;
      this$1.flags.untouched = false;
      if (this$1.classes) {
        toggleClass(this$1.el, this$1.classNames.touched, true);
        toggleClass(this$1.el, this$1.classNames.untouched, false);
      }

      // only needed once.
      this$1.unwatch(/^class_blur$/);
    };

    var inputEvent = isTextInput(this.el) ? 'input' : 'change';
    var onInput = function () {
      this$1.flags.dirty = true;
      this$1.flags.pristine = false;
      if (this$1.classes) {
        toggleClass(this$1.el, this$1.classNames.pristine, false);
        toggleClass(this$1.el, this$1.classNames.dirty, true);
      }

      // only needed once.
      this$1.unwatch(/^class_input$/);
    };

    if (this.componentInstance && isCallable(this.componentInstance.$once)) {
      this.componentInstance.$once('input', onInput);
      this.componentInstance.$once('blur', onBlur);
      this.watchers.push({
        tag: 'class_input',
        unwatch: function () {
          this$1.componentInstance.$off('input', onInput);
        }
      });
      this.watchers.push({
        tag: 'class_blur',
        unwatch: function () {
          this$1.componentInstance.$off('blur', onBlur);
        }
      });
      return;
    }

    if (!this.el) { return; }

    addEventListener(this.el, inputEvent, onInput);
    // Checkboxes and radio buttons on Mac don't emit blur naturally, so we listen on click instead.
    var blurEvent = isCheckboxOrRadioInput(this.el) ? 'change' : 'blur';
    addEventListener(this.el, blurEvent, onBlur);
    this.watchers.push({
      tag: 'class_input',
      unwatch: function () {
        this$1.el.removeEventListener(inputEvent, onInput);
      }
    });

    this.watchers.push({
      tag: 'class_blur',
      unwatch: function () {
        this$1.el.removeEventListener(blurEvent, onBlur);
      }
    });
  };

  Field.prototype.checkValueChanged = function checkValueChanged () {
    // handle some people initialize the value to null, since text inputs have empty string value.
    if (this.initialValue === null && this.value === '' && isTextInput(this.el)) {
      return false;
    }

    return this.value !== this.initialValue;
  };

  /**
   * Determines the suitable primary event to listen for.
   */
  Field.prototype._determineInputEvent = function _determineInputEvent () {
    // if its a custom component, use the customized model event or the input event.
    if (this.componentInstance) {
      return (this.componentInstance.$options.model && this.componentInstance.$options.model.event) || 'input';
    }

    if (this.model) {
      return this.model.lazy ? 'change' : 'input';
    }

    if (isTextInput(this.el)) {
      return 'input';
    }

    return 'change';
  };

  /**
   * Determines the list of events to listen to.
   */
  Field.prototype._determineEventList = function _determineEventList (defaultInputEvent) {
    // if no event is configured, or it is a component or a text input then respect the user choice.
    if (!this.events.length || this.componentInstance || isTextInput(this.el)) {
      return [].concat( this.events );
    }

    // force suitable event for non-text type fields.
    return this.events.map(function (e) {
      if (e === 'input') {
        return defaultInputEvent;
      }

      return e;
    });
  };

  /**
   * Adds the listeners required for validation.
   */
  Field.prototype.addValueListeners = function addValueListeners () {
      var this$1 = this;

    this.unwatch(/^input_.+/);
    if (!this.listen || !this.el) { return; }

    var token = { cancelled: false };
    var fn = this.targetOf ? function () {
      this$1.flags.changed = this$1.checkValueChanged();    this$1.validator.validate(("#" + (this$1.targetOf)));
    } : function () {
        var args = [], len = arguments.length;
        while ( len-- ) args[ len ] = arguments[ len ];

      // if its a DOM event, resolve the value, otherwise use the first parameter as the value.
      if (args.length === 0 || (isCallable(Event) && args[0] instanceof Event) || (args[0] && args[0].srcElement)) {
        args[0] = this$1.value;
      }

      this$1.flags.changed = this$1.checkValueChanged();
      this$1.validator.validate(("#" + (this$1.id)), args[0]);
    };

    var inputEvent = this._determineInputEvent();
    var events = this._determineEventList(inputEvent);

    // if there is a model and an on input validation is requested.
    if (this.model && includes(events, inputEvent)) {
      var ctx = null;
      var expression = this.model.expression;
      // if its watchable from the context vm.
      if (this.model.expression) {
        ctx = this.vm;
        expression = this.model.expression;
      }

      // watch it from the custom component vm instead.
      if (!expression && this.componentInstance && this.componentInstance.$options.model) {
        ctx = this.componentInstance;
        expression = this.componentInstance.$options.model.prop || 'value';
      }

      if (ctx && expression) {
        var debouncedFn = debounce(fn, this.delay[inputEvent], false, token);
        var unwatch = ctx.$watch(expression, function () {
            var args = [], len = arguments.length;
            while ( len-- ) args[ len ] = arguments[ len ];

          this$1.flags.pending = true;
          this$1._cancellationToken = token;
          debouncedFn.apply(void 0, args);
        });
        this.watchers.push({
          tag: 'input_model',
          unwatch: unwatch
        });

        // filter out input event as it is already handled by the watcher API.
        events = events.filter(function (e) { return e !== inputEvent; });
      }
    }

    // Add events.
    events.forEach(function (e) {
      var debouncedFn = debounce(fn, this$1.delay[e], false, token);
      var validate = function () {
          var args = [], len = arguments.length;
          while ( len-- ) args[ len ] = arguments[ len ];

        this$1.flags.pending = true;
        this$1._cancellationToken = token;
        debouncedFn.apply(void 0, args);
      };

      this$1._addComponentEventListener(e, validate);
      this$1._addHTMLEventListener(e, validate);
    });
  };

  Field.prototype._addComponentEventListener = function _addComponentEventListener (evt, validate) {
      var this$1 = this;

    if (!this.componentInstance) { return; }

    this.componentInstance.$on(evt, validate);
    this.watchers.push({
      tag: 'input_vue',
      unwatch: function () {
        this$1.componentInstance.$off(evt, validate);
      }
    });
  };

  Field.prototype._addHTMLEventListener = function _addHTMLEventListener (evt, validate) {
      var this$1 = this;

    if (!this.el || this.componentInstance) { return; }

    // listen for the current element.
    var addListener = function (el) {
      addEventListener(el, evt, validate);
      this$1.watchers.push({
        tag: 'input_native',
        unwatch: function () {
          el.removeEventListener(evt, validate);
        }
      });
    };

    addListener(this.el);
    if (!isCheckboxOrRadioInput(this.el)) {
      return;
    }

    var els = document.querySelectorAll(("input[name=\"" + (this.el.name) + "\"]"));
    toArray(els).forEach(function (el) {
      // skip if it is added by v-validate and is not the current element.
      if (el._veeValidateId && el !== this$1.el) {
        return;
      }

      addListener(el);
    });
  };

  /**
   * Updates aria attributes on the element.
   */
  Field.prototype.updateAriaAttrs = function updateAriaAttrs () {
      var this$1 = this;

    if (!this.aria || !this.el || !isCallable(this.el.setAttribute)) { return; }

    var applyAriaAttrs = function (el) {
      el.setAttribute('aria-required', this$1.isRequired ? 'true' : 'false');
      el.setAttribute('aria-invalid', this$1.flags.invalid ? 'true' : 'false');
    };

    if (!isCheckboxOrRadioInput(this.el)) {
      applyAriaAttrs(this.el);
      return;
    }

    var els = document.querySelectorAll(("input[name=\"" + (this.el.name) + "\"]"));
    toArray(els).forEach(applyAriaAttrs);
  };

  /**
   * Updates the custom validity for the field.
   */
  Field.prototype.updateCustomValidity = function updateCustomValidity () {
    if (!this.validity || !this.el || !isCallable(this.el.setCustomValidity) || !this.validator.errors) { return; }

    this.el.setCustomValidity(this.flags.valid ? '' : (this.validator.errors.firstById(this.id) || ''));
  };

  /**
   * Removes all listeners.
   */
  Field.prototype.destroy = function destroy () {
    this.unwatch();
    this.dependencies.forEach(function (d) { return d.field.destroy(); });
    this.dependencies = [];
  };

  Object.defineProperties( Field.prototype, prototypeAccessors$3 );

  // 

  var FieldBag = function FieldBag (items) {
    if ( items === void 0 ) items = [];

    this.items = items || [];
  };

  var prototypeAccessors$4 = { length: { configurable: true } };

  FieldBag.prototype[typeof Symbol === 'function' ? Symbol.iterator : '@@iterator'] = function () {
      var this$1 = this;

    var index = 0;
    return {
      next: function () {
        return { value: this$1.items[index++], done: index > this$1.items.length };
      }
    };
  };

  /**
   * Gets the current items length.
   */

  prototypeAccessors$4.length.get = function () {
    return this.items.length;
  };

  /**
   * Finds the first field that matches the provided matcher object.
   */
  FieldBag.prototype.find = function find$1 (matcher) {
    return find(this.items, function (item) { return item.matches(matcher); });
  };

  /**
   * Filters the items down to the matched fields.
   */
  FieldBag.prototype.filter = function filter (matcher) {
    // multiple matchers to be tried.
    if (Array.isArray(matcher)) {
      return this.items.filter(function (item) { return matcher.some(function (m) { return item.matches(m); }); });
    }

    return this.items.filter(function (item) { return item.matches(matcher); });
  };

  /**
   * Maps the field items using the mapping function.
   */
  FieldBag.prototype.map = function map (mapper) {
    return this.items.map(mapper);
  };

  /**
   * Finds and removes the first field that matches the provided matcher object, returns the removed item.
   */
  FieldBag.prototype.remove = function remove (matcher) {
    var item = null;
    if (matcher instanceof Field) {
      item = matcher;
    } else {
      item = this.find(matcher);
    }

    if (!item) { return null; }

    var index = this.items.indexOf(item);
    this.items.splice(index, 1);

    return item;
  };

  /**
   * Adds a field item to the list.
   */
  FieldBag.prototype.push = function push (item) {
    if (! (item instanceof Field)) {
      throw createError('FieldBag only accepts instances of Field that has an id defined.');
    }

    if (!item.id) {
      throw createError('Field id must be defined.');
    }

    if (this.find({ id: item.id })) {
      throw createError(("Field with id " + (item.id) + " is already added."));
    }

    this.items.push(item);
  };

  Object.defineProperties( FieldBag.prototype, prototypeAccessors$4 );

  var ScopedValidator = function ScopedValidator (base, vm) {
    this.id = vm._uid;
    this._base = base;

    // create a mirror bag with limited component scope.
    this.errors = new ErrorBag(base.errors, this.id);
  };

  var prototypeAccessors$5 = { flags: { configurable: true },rules: { configurable: true },fields: { configurable: true },dictionary: { configurable: true },locale: { configurable: true } };

  prototypeAccessors$5.flags.get = function () {
      var this$1 = this;

    return this._base.fields.items.filter(function (f) { return f.vmId === this$1.id; }).reduce(function (acc, field) {
      if (field.scope) {
        if (!acc[("$" + (field.scope))]) {
          acc[("$" + (field.scope))] = {};
        }

        acc[("$" + (field.scope))][field.name] = field.flags;
      }

      acc[field.name] = field.flags;

      return acc;
    }, {});
  };

  prototypeAccessors$5.rules.get = function () {
    return this._base.rules;
  };

  prototypeAccessors$5.fields.get = function () {
    return new FieldBag(this._base.fields.filter({ vmId: this.id }));
  };

  prototypeAccessors$5.dictionary.get = function () {
    return this._base.dictionary;
  };

  prototypeAccessors$5.locale.get = function () {
    return this._base.locale;
  };

  prototypeAccessors$5.locale.set = function (val) {
    this._base.locale = val;
  };

  ScopedValidator.prototype.localize = function localize () {
      var ref;

      var args = [], len = arguments.length;
      while ( len-- ) args[ len ] = arguments[ len ];
    return (ref = this._base).localize.apply(ref, args);
  };

  ScopedValidator.prototype.update = function update () {
      var ref;

      var args = [], len = arguments.length;
      while ( len-- ) args[ len ] = arguments[ len ];
    return (ref = this._base).update.apply(ref, args);
  };

  ScopedValidator.prototype.attach = function attach (opts) {
    var attachOpts = assign({}, opts, { vmId: this.id });

    return this._base.attach(attachOpts);
  };

  ScopedValidator.prototype.remove = function remove (ruleName) {
    return this._base.remove(ruleName);
  };

  ScopedValidator.prototype.detach = function detach () {
      var ref;

      var args = [], len = arguments.length;
      while ( len-- ) args[ len ] = arguments[ len ];
    return (ref = this._base).detach.apply(ref, args.concat( [this.id] ));
  };

  ScopedValidator.prototype.extend = function extend () {
      var ref;

      var args = [], len = arguments.length;
      while ( len-- ) args[ len ] = arguments[ len ];
    return (ref = this._base).extend.apply(ref, args);
  };

  ScopedValidator.prototype.validate = function validate (descriptor, value, opts) {
      if ( opts === void 0 ) opts = {};

    return this._base.validate(descriptor, value, assign({}, { vmId: this.id }, opts || {}));
  };

  ScopedValidator.prototype.validateAll = function validateAll (values$$1, opts) {
      if ( opts === void 0 ) opts = {};

    return this._base.validateAll(values$$1, assign({}, { vmId: this.id }, opts || {}));
  };

  ScopedValidator.prototype.validateScopes = function validateScopes (opts) {
      if ( opts === void 0 ) opts = {};

    return this._base.validateScopes(assign({}, { vmId: this.id }, opts || {}));
  };

  ScopedValidator.prototype.destroy = function destroy () {
    delete this.id;
    delete this._base;
  };

  ScopedValidator.prototype.reset = function reset (matcher) {
    return this._base.reset(Object.assign({}, matcher || {}, { vmId: this.id }));
  };

  ScopedValidator.prototype.flag = function flag () {
      var ref;

      var args = [], len = arguments.length;
      while ( len-- ) args[ len ] = arguments[ len ];
    return (ref = this._base).flag.apply(ref, args.concat( [this.id] ));
  };

  Object.defineProperties( ScopedValidator.prototype, prototypeAccessors$5 );

  // 

  /**
   * Checks if a parent validator instance was requested.
   */
  var requestsValidator = function (injections) {
    if (isObject(injections) && injections.$validator) {
      return true;
    }

    return false;
  };

  var mixin = {
    provide: function provide () {
      if (this.$validator && !isBuiltInComponent(this.$vnode)) {
        return {
          $validator: this.$validator
        };
      }

      return {};
    },
    beforeCreate: function beforeCreate () {
      // if built in do nothing.
      if (isBuiltInComponent(this.$vnode)) {
        return;
      }

      // if its a root instance set the config if it exists.
      if (!this.$parent) {
        Config.merge(this.$options.$_veeValidate || {});
      }

      var options = Config.resolve(this);

      // if its a root instance, inject anyways, or if it requested a new instance.
      if (!this.$parent || (this.$options.$_veeValidate && /new/.test(this.$options.$_veeValidate.validator))) {
        this.$validator = new ScopedValidator(Config.dependency('validator'), this);
      }

      var requested = requestsValidator(this.$options.inject);

      // if automatic injection is enabled and no instance was requested.
      if (! this.$validator && options.inject && !requested) {
        this.$validator = new ScopedValidator(Config.dependency('validator'), this);
      }

      // don't inject errors or fieldBag as no validator was resolved.
      if (! requested && ! this.$validator) {
        return;
      }

      // There is a validator but it isn't injected, mark as reactive.
      if (!requested && this.$validator) {
        var Vue = this.$options._base; // the vue constructor.
        Vue.util.defineReactive(this.$validator, 'errors', this.$validator.errors);
      }

      if (! this.$options.computed) {
        this.$options.computed = {};
      }

      this.$options.computed[options.errorBagName || 'errors'] = function errorBagGetter () {
        return this.$validator.errors;
      };
      this.$options.computed[options.fieldsBagName || 'fields'] = function fieldBagGetter () {
        return this.$validator.fields.items.reduce(function (acc, field) {
          if (field.scope) {
            if (!acc[("$" + (field.scope))]) {
              acc[("$" + (field.scope))] = {};
            }

            acc[("$" + (field.scope))][field.name] = field.flags;

            return acc;
          }

          acc[field.name] = field.flags;

          return acc;
        }, {});
      };
    },
    beforeDestroy: function beforeDestroy () {
      if (this.$validator && this._uid === this.$validator.id) {
        this.$validator.errors.clear(); // remove errors generated by this component.
      }
    }
  };

  // 

  /**
   * Finds the requested field by id from the context object.
   */
  function findField (el, context) {
    if (!context || !context.$validator) {
      return null;
    }

    return context.$validator.fields.find({ id: el._veeValidateId });
  }
  var directive = {
    bind: function bind (el, binding, vnode) {
      var validator = vnode.context.$validator;
      if (!validator) {
        {
          warn("No validator instance is present on vm, did you forget to inject '$validator'?");
        }

        return;
      }

      var fieldOptions = Resolver.generate(el, binding, vnode);
      validator.attach(fieldOptions);
    },
    inserted: function inserted (el, binding, vnode) {
      var field = findField(el, vnode.context);
      var scope = Resolver.resolveScope(el, binding, vnode);

      // skip if scope hasn't changed.
      if (!field || scope === field.scope) { return; }

      // only update scope.
      field.update({ scope: scope });

      // allows the field to re-evaluated once more in the update hook.
      field.updated = false;
    },
    update: function update (el, binding, vnode) {
      var field = findField(el, vnode.context);

      // make sure we don't do unneccasary work if no important change was done.
      if (!field || (field.updated && isEqual$1(binding.value, binding.oldValue))) { return; }
      var scope = Resolver.resolveScope(el, binding, vnode);
      var rules = Resolver.resolveRules(el, binding, vnode);

      field.update({
        scope: scope,
        rules: rules
      });
    },
    unbind: function unbind (el, binding, ref) {
      var context = ref.context;

      var field = findField(el, context);
      if (!field) { return; }

      context.$validator.detach(field);
    }
  };

  var Vue;

  function install (_Vue, options) {
    if ( options === void 0 ) options = {};

    if (Vue && _Vue === Vue) {
      {
        warn('already installed, Vue.use(VeeValidate) should only be called once.');
      }
      return;
    }

    detectPassiveSupport();
    Vue = _Vue;
    var validator = new Validator(null, options);
    var localVue = new Vue({
      data: function () { return ({
        errors: validator.errors,
        fields: validator.fields
      }); }
    });
    Config.register('vm', localVue);
    Config.register('validator', validator);
    Config.merge(options);

    var ref = Config.current;
    var dictionary = ref.dictionary;
    var i18n = ref.i18n;

    if (dictionary) {
      validator.localize(dictionary); // merge the dictionary.
    }

    var onLocaleChanged = function () {
      validator.errors.regenerate();
    };

    // watch locale changes using localVue instance or i18n.
    if (!i18n) {
      if (typeof window !== 'undefined') {
        localVue.$on('localeChanged', onLocaleChanged);
      }
    } else {
      i18n._vm.$watch('locale', onLocaleChanged);
    }

    if (!i18n && options.locale) {
      validator.localize(options.locale); // set the locale
    }

    Validator.setStrictMode(Config.current.strict);

    Vue.mixin(mixin);
    Vue.directive('validate', directive);
  }

  // 

  function use (plugin, options) {
    if ( options === void 0 ) options = {};

    if (!isCallable(plugin)) {
      return warn('The plugin must be a callable function');
    }

    plugin({ Validator: Validator, ErrorBag: ErrorBag, Rules: Validator.rules }, options);
  }

  // 

  var normalize = function (fields) {
    if (Array.isArray(fields)) {
      return fields.reduce(function (prev, curr) {
        if (includes(curr, '.')) {
          prev[curr.split('.')[1]] = curr;
        } else {
          prev[curr] = curr;
        }

        return prev;
      }, {});
    }

    return fields;
  };

  // Combines two flags using either AND or OR depending on the flag type.
  var combine = function (lhs, rhs) {
    var mapper = {
      pristine: function (lhs, rhs) { return lhs && rhs; },
      dirty: function (lhs, rhs) { return lhs || rhs; },
      touched: function (lhs, rhs) { return lhs || rhs; },
      untouched: function (lhs, rhs) { return lhs && rhs; },
      valid: function (lhs, rhs) { return lhs && rhs; },
      invalid: function (lhs, rhs) { return lhs || rhs; },
      pending: function (lhs, rhs) { return lhs || rhs; },
      required: function (lhs, rhs) { return lhs || rhs; },
      validated: function (lhs, rhs) { return lhs && rhs; }
    };

    return Object.keys(mapper).reduce(function (flags, flag) {
      flags[flag] = mapper[flag](lhs[flag], rhs[flag]);

      return flags;
    }, {});
  };

  var mapScope = function (scope, deep) {
    if ( deep === void 0 ) deep = true;

    return Object.keys(scope).reduce(function (flags, field) {
      if (!flags) {
        flags = assign({}, scope[field]);
        return flags;
      }

      // scope.
      var isScope = field.indexOf('$') === 0;
      if (deep && isScope) {
        return combine(mapScope(scope[field]), flags);
      } else if (!deep && isScope) {
        return flags;
      }

      flags = combine(flags, scope[field]);

      return flags;
    }, null);
  };

  /**
   * Maps fields to computed functions.
   */
  var mapFields = function (fields) {
    if (!fields) {
      return function () {
        return mapScope(this.$validator.flags);
      };
    }

    var normalized = normalize(fields);
    return Object.keys(normalized).reduce(function (prev, curr) {
      var field = normalized[curr];
      prev[curr] = function mappedField () {
        // if field exists
        if (this.$validator.flags[field]) {
          return this.$validator.flags[field];
        }

        // scopeless fields were selected.
        if (normalized[curr] === '*') {
          return mapScope(this.$validator.flags, false);
        }

        // if it has a scope defined
        var index = field.indexOf('.');
        if (index <= 0) {
          return {};
        }

        var ref = field.split('.');
        var scope = ref[0];
        var name = ref.slice(1);

        scope = this.$validator.flags[("$" + scope)];
        name = name.join('.');

        // an entire scope was selected: scope.*
        if (name === '*' && scope) {
          return mapScope(scope);
        }

        if (scope && scope[name]) {
          return scope[name];
        }

        return {};
      };

      return prev;
    }, {});
  };

  var ErrorComponent = {
    name: 'vv-error',
    inject: ['$validator'],
    functional: true,
    props: {
      for: {
        type: String,
        required: true
      },
      tag: {
        type: String,
        default: 'span'
      }
    },
    render: function render (createElement, ref) {
      var props = ref.props;
      var injections = ref.injections;

      return createElement(props.tag, injections.$validator.errors.first(props.for));
    }
  };

  var minimal = {
    install: install,
    use: use,
    directive: directive,
    mixin: mixin,
    mapFields: mapFields,
    Validator: Validator,
    ErrorBag: ErrorBag,
    ErrorComponent: ErrorComponent,
    version: '2.1.0-beta.6'
  };

  // rules plugin definition.
  var rulesPlugin = function (ref) {
    var Validator = ref.Validator;

    Object.keys(Rules).forEach(function (rule) {
      Validator.extend(rule, Rules[rule].validate, Rules[rule].options);
    });

    // Merge the english messages.
    Validator.localize('en', locale$1);
  };

  // install the rules via the plugin API.
  minimal.use(rulesPlugin);

  minimal.Rules = Rules;

  return minimal;

})));

/*!
 * Cropper.js v1.5.1
 * https://fengyuanchen.github.io/cropperjs
 *
 * Copyright 2015-present Chen Fengyuan
 * Released under the MIT license
 *
 * Date: 2019-03-10T09:55:53.729Z
 */

(function (global, factory) {
    typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() :
        typeof define === 'function' && define.amd ? define(factory) :
            (global = global || self, global.Cropper = factory());
}(this, function () {
    'use strict';

    function _typeof(obj) {
        if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") {
            _typeof = function (obj) {
                return typeof obj;
            };
        } else {
            _typeof = function (obj) {
                return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj;
            };
        }


        return _typeof(obj);
    }

    function _classCallCheck(instance, Constructor) {
        if (!(instance instanceof Constructor)) {
            throw new TypeError("Cannot call a class as a function");
        }
    }

    function _defineProperties(target, props) {
        for (var i = 0; i < props.length; i++) {
            var descriptor = props[i];
            descriptor.enumerable = descriptor.enumerable || false;
            descriptor.configurable = true;
            if ("value" in descriptor) descriptor.writable = true;
            Object.defineProperty(target, descriptor.key, descriptor);
        }
    }

    function _createClass(Constructor, protoProps, staticProps) {
        if (protoProps) _defineProperties(Constructor.prototype, protoProps);
        if (staticProps) _defineProperties(Constructor, staticProps);
        return Constructor;
    }

    function _toConsumableArray(arr) {
        return _arrayWithoutHoles(arr) || _iterableToArray(arr) || _nonIterableSpread();
    }

    function _arrayWithoutHoles(arr) {
        if (Array.isArray(arr)) {
            for (var i = 0, arr2 = new Array(arr.length); i < arr.length; i++) arr2[i] = arr[i];

            return arr2;
        }
    }

    function _iterableToArray(iter) {
        if (Symbol.iterator in Object(iter) || Object.prototype.toString.call(iter) === "[object Arguments]") return Array.from(iter);
    }

    function _nonIterableSpread() {
        throw new TypeError("Invalid attempt to spread non-iterable instance");
    }

    var IS_BROWSER = typeof window !== 'undefined';
    var WINDOW = IS_BROWSER ? window : {};
    var IS_TOUCH_DEVICE = IS_BROWSER ? 'ontouchstart' in WINDOW.document.documentElement : false;
    var HAS_POINTER_EVENT = IS_BROWSER ? 'PointerEvent' in WINDOW : false;
    var NAMESPACE = 'cropper'; // Actions

    var ACTION_ALL = 'all';
    var ACTION_CROP = 'crop';
    var ACTION_MOVE = 'move';
    var ACTION_ZOOM = 'zoom';
    var ACTION_EAST = 'e';
    var ACTION_WEST = 'w';
    var ACTION_SOUTH = 's';
    var ACTION_NORTH = 'n';
    var ACTION_NORTH_EAST = 'ne';
    var ACTION_NORTH_WEST = 'nw';
    var ACTION_SOUTH_EAST = 'se';
    var ACTION_SOUTH_WEST = 'sw'; // Classes

    var CLASS_CROP = "".concat(NAMESPACE, "-crop");
    var CLASS_DISABLED = "".concat(NAMESPACE, "-disabled");
    var CLASS_HIDDEN = "".concat(NAMESPACE, "-hidden");
    var CLASS_HIDE = "".concat(NAMESPACE, "-hide");
    var CLASS_INVISIBLE = "".concat(NAMESPACE, "-invisible");
    var CLASS_MODAL = "".concat(NAMESPACE, "-modal");
    var CLASS_MOVE = "".concat(NAMESPACE, "-move"); // Data keys

    var DATA_ACTION = "".concat(NAMESPACE, "Action");
    var DATA_PREVIEW = "".concat(NAMESPACE, "Preview"); // Drag modes

    var DRAG_MODE_CROP = 'crop';
    var DRAG_MODE_MOVE = 'move';
    var DRAG_MODE_NONE = 'none'; // Events

    var EVENT_CROP = 'crop';
    var EVENT_CROP_END = 'cropend';
    var EVENT_CROP_MOVE = 'cropmove';
    var EVENT_CROP_START = 'cropstart';
    var EVENT_DBLCLICK = 'dblclick';
    var EVENT_TOUCH_START = IS_TOUCH_DEVICE ? 'touchstart' : 'mousedown';
    var EVENT_TOUCH_MOVE = IS_TOUCH_DEVICE ? 'touchmove' : 'mousemove';
    var EVENT_TOUCH_END = IS_TOUCH_DEVICE ? 'touchend touchcancel' : 'mouseup';
    var EVENT_POINTER_DOWN = HAS_POINTER_EVENT ? 'pointerdown' : EVENT_TOUCH_START;
    var EVENT_POINTER_MOVE = HAS_POINTER_EVENT ? 'pointermove' : EVENT_TOUCH_MOVE;
    var EVENT_POINTER_UP = HAS_POINTER_EVENT ? 'pointerup pointercancel' : EVENT_TOUCH_END;
    var EVENT_READY = 'ready';
    var EVENT_RESIZE = 'resize';
    var EVENT_WHEEL = 'wheel';
    var EVENT_ZOOM = 'zoom'; // Mime types

    var MIME_TYPE_JPEG = 'image/jpeg'; // RegExps

    var REGEXP_ACTIONS = /^e|w|s|n|se|sw|ne|nw|all|crop|move|zoom$/;
    var REGEXP_DATA_URL_JPEG = /^data:image\/jpeg;base64,/;
    var REGEXP_TAG_NAME = /^img|canvas$/i; // Misc
    // Inspired by the default width and height of a canvas element.

    var MIN_CONTAINER_WIDTH = 200;
    var MIN_CONTAINER_HEIGHT = 100;

    var DEFAULTS = {
        // Define the view mode of the cropper
        viewMode: 0,
        // 0, 1, 2, 3
        // Define the dragging mode of the cropper
        dragMode: DRAG_MODE_CROP,
        // 'crop', 'move' or 'none'
        // Define the initial aspect ratio of the crop box
        initialAspectRatio: NaN,
        // Define the aspect ratio of the crop box
        aspectRatio: NaN,
        // An object with the previous cropping result data
        data: null,
        // A selector for adding extra containers to preview
        preview: '',
        // Re-render the cropper when resize the window
        responsive: true,
        // Restore the cropped area after resize the window
        restore: true,
        // Check if the current image is a cross-origin image
        checkCrossOrigin: true,
        // Check the current image's Exif Orientation information
        checkOrientation: true,
        // Show the black modal
        modal: true,
        // Show the dashed lines for guiding
        guides: true,
        // Show the center indicator for guiding
        center: true,
        // Show the white modal to highlight the crop box
        highlight: true,
        // Show the grid background
        background: true,
        // Enable to crop the image automatically when initialize
        autoCrop: true,
        // Define the percentage of automatic cropping area when initializes
        autoCropArea: 0.8,
        // Enable to move the image
        movable: true,
        // Enable to rotate the image
        rotatable: true,
        // Enable to scale the image
        scalable: true,
        // Enable to zoom the image
        zoomable: true,
        // Enable to zoom the image by dragging touch
        zoomOnTouch: true,
        // Enable to zoom the image by wheeling mouse
        zoomOnWheel: true,
        // Define zoom ratio when zoom the image by wheeling mouse
        wheelZoomRatio: 0.1,
        // Enable to move the crop box
        cropBoxMovable: true,
        // Enable to resize the crop box
        cropBoxResizable: true,
        // Toggle drag mode between "crop" and "move" when click twice on the cropper
        toggleDragModeOnDblclick: true,
        // Size limitation
        minCanvasWidth: 0,
        minCanvasHeight: 0,
        minCropBoxWidth: 0,
        minCropBoxHeight: 0,
        minContainerWidth: 200,
        minContainerHeight: 100,
        // Shortcuts of events
        ready: null,
        cropstart: null,
        cropmove: null,
        cropend: null,
        crop: null,
        zoom: null
    };

    var TEMPLATE = '<div class="cropper-container" touch-action="none">' + '<div class="cropper-wrap-box">' + '<div class="cropper-canvas"></div>' + '</div>' + '<div class="cropper-drag-box"></div>' + '<div class="cropper-crop-box">' + '<span class="cropper-view-box"></span>' + '<span class="cropper-dashed dashed-h"></span>' + '<span class="cropper-dashed dashed-v"></span>' + '<span class="cropper-center"></span>' + '<span class="cropper-face"></span>' + '<span class="cropper-line line-e" data-cropper-action="e"></span>' + '<span class="cropper-line line-n" data-cropper-action="n"></span>' + '<span class="cropper-line line-w" data-cropper-action="w"></span>' + '<span class="cropper-line line-s" data-cropper-action="s"></span>' + '<span class="cropper-point point-e" data-cropper-action="e"></span>' + '<span class="cropper-point point-n" data-cropper-action="n"></span>' + '<span class="cropper-point point-w" data-cropper-action="w"></span>' + '<span class="cropper-point point-s" data-cropper-action="s"></span>' + '<span class="cropper-point point-ne" data-cropper-action="ne"></span>' + '<span class="cropper-point point-nw" data-cropper-action="nw"></span>' + '<span class="cropper-point point-sw" data-cropper-action="sw"></span>' + '<span class="cropper-point point-se" data-cropper-action="se"></span>' + '</div>' + '</div>';

    /**
     * Check if the given value is not a number.
     */

    var isNaN = Number.isNaN || WINDOW.isNaN;

    /**
     * Check if the given value is a number.
     * @param {*} value - The value to check.
     * @returns {boolean} Returns `true` if the given value is a number, else `false`.
     */

    function isNumber(value) {
        return typeof value === 'number' && !isNaN(value);
    }

    /**
     * Check if the given value is a positive number.
     * @param {*} value - The value to check.
     * @returns {boolean} Returns `true` if the given value is a positive number, else `false`.
     */

    var isPositiveNumber = function isPositiveNumber(value) {
        return value > 0 && value < Infinity;
    };

    /**
     * Check if the given value is undefined.
     * @param {*} value - The value to check.
     * @returns {boolean} Returns `true` if the given value is undefined, else `false`.
     */

    function isUndefined(value) {
        return typeof value === 'undefined';
    }

    /**
     * Check if the given value is an object.
     * @param {*} value - The value to check.
     * @returns {boolean} Returns `true` if the given value is an object, else `false`.
     */

    function isObject(value) {
        return _typeof(value) === 'object' && value !== null;
    }

    var hasOwnProperty = Object.prototype.hasOwnProperty;

    /**
     * Check if the given value is a plain object.
     * @param {*} value - The value to check.
     * @returns {boolean} Returns `true` if the given value is a plain object, else `false`.
     */

    function isPlainObject(value) {
        if (!isObject(value)) {
            return false;
        }

        try {
            var _constructor = value.constructor;
            var prototype = _constructor.prototype;
            return _constructor && prototype && hasOwnProperty.call(prototype, 'isPrototypeOf');
        } catch (error) {
            return false;
        }
    }

    /**
     * Check if the given value is a function.
     * @param {*} value - The value to check.
     * @returns {boolean} Returns `true` if the given value is a function, else `false`.
     */

    function isFunction(value) {
        return typeof value === 'function';
    }

    var slice = Array.prototype.slice;

    /**
     * Convert array-like or iterable object to an array.
     * @param {*} value - The value to convert.
     * @returns {Array} Returns a new array.
     */

    function toArray(value) {
        return Array.from ? Array.from(value) : slice.call(value);
    }

    /**
     * Iterate the given data.
     * @param {*} data - The data to iterate.
     * @param {Function} callback - The process function for each element.
     * @returns {*} The original data.
     */

    function forEach(data, callback) {
        if (data && isFunction(callback)) {
            if (Array.isArray(data) || isNumber(data.length)
            /* array-like */
            ) {
                toArray(data).forEach(function (value, key) {
                    callback.call(data, value, key, data);
                });
            } else if (isObject(data)) {
                Object.keys(data).forEach(function (key) {
                    callback.call(data, data[key], key, data);
                });
            }
        }

        return data;
    }

    /**
     * Extend the given object.
     * @param {*} target - The target object to extend.
     * @param {*} args - The rest objects for merging to the target object.
     * @returns {Object} The extended object.
     */

    var assign = Object.assign || function assign(target) {
        for (var _len = arguments.length, args = new Array(_len > 1 ? _len - 1 : 0), _key = 1; _key < _len; _key++) {
            args[_key - 1] = arguments[_key];
        }

        if (isObject(target) && args.length > 0) {
            args.forEach(function (arg) {
                if (isObject(arg)) {
                    Object.keys(arg).forEach(function (key) {
                        target[key] = arg[key];
                    });
                }
            });
        }

        return target;
    };
    var REGEXP_DECIMALS = /\.\d*(?:0|9){12}\d*$/;

    /**
     * Normalize decimal number.
     * Check out {@link http://0.30000000000000004.com/}
     * @param {number} value - The value to normalize.
     * @param {number} [times=100000000000] - The times for normalizing.
     * @returns {number} Returns the normalized number.
     */

    function normalizeDecimalNumber(value) {
        var times = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 100000000000;
        return REGEXP_DECIMALS.test(value) ? Math.round(value * times) / times : value;
    }

    var REGEXP_SUFFIX = /^width|height|left|top|marginLeft|marginTop$/;

    /**
     * Apply styles to the given element.
     * @param {Element} element - The target element.
     * @param {Object} styles - The styles for applying.
     */

    function setStyle(element, styles) {
        var style = element.style;
        forEach(styles, function (value, property) {
            if (REGEXP_SUFFIX.test(property) && isNumber(value)) {
                value = "".concat(value, "px");
            }

            style[property] = value;
        });
    }

    /**
     * Check if the given element has a special class.
     * @param {Element} element - The element to check.
     * @param {string} value - The class to search.
     * @returns {boolean} Returns `true` if the special class was found.
     */

    function hasClass(element, value) {
        return element.classList ? element.classList.contains(value) : element.className.indexOf(value) > -1;
    }

    /**
     * Add classes to the given element.
     * @param {Element} element - The target element.
     * @param {string} value - The classes to be added.
     */

    function addClass(element, value) {
        if (!value) {
            return;
        }

        if (isNumber(element.length)) {
            forEach(element, function (elem) {
                addClass(elem, value);
            });
            return;
        }

        if (element.classList) {
            element.classList.add(value);
            return;
        }

        var className = element.className.trim();

        if (!className) {
            element.className = value;
        } else if (className.indexOf(value) < 0) {
            element.className = "".concat(className, " ").concat(value);
        }
    }

    /**
     * Remove classes from the given element.
     * @param {Element} element - The target element.
     * @param {string} value - The classes to be removed.
     */

    function removeClass(element, value) {
        if (!value) {
            return;
        }

        if (isNumber(element.length)) {
            forEach(element, function (elem) {
                removeClass(elem, value);
            });
            return;
        }

        if (element.classList) {
            element.classList.remove(value);
            return;
        }

        if (element.className.indexOf(value) >= 0) {
            element.className = element.className.replace(value, '');
        }
    }

    /**
     * Add or remove classes from the given element.
     * @param {Element} element - The target element.
     * @param {string} value - The classes to be toggled.
     * @param {boolean} added - Add only.
     */

    function toggleClass(element, value, added) {
        if (!value) {
            return;
        }

        if (isNumber(element.length)) {
            forEach(element, function (elem) {
                toggleClass(elem, value, added);
            });
            return;
        } // IE10-11 doesn't support the second parameter of `classList.toggle`


        if (added) {
            addClass(element, value);
        } else {
            removeClass(element, value);
        }
    }

    var REGEXP_CAMEL_CASE = /([a-z\d])([A-Z])/g;

    /**
     * Transform the given string from camelCase to kebab-case
     * @param {string} value - The value to transform.
     * @returns {string} The transformed value.
     */

    function toParamCase(value) {
        return value.replace(REGEXP_CAMEL_CASE, '$1-$2').toLowerCase();
    }

    /**
     * Get data from the given element.
     * @param {Element} element - The target element.
     * @param {string} name - The data key to get.
     * @returns {string} The data value.
     */

    function getData(element, name) {
        if (isObject(element[name])) {
            return element[name];
        }

        if (element.dataset) {
            return element.dataset[name];
        }

        return element.getAttribute("data-".concat(toParamCase(name)));
    }

    /**
     * Set data to the given element.
     * @param {Element} element - The target element.
     * @param {string} name - The data key to set.
     * @param {string} data - The data value.
     */

    function setData(element, name, data) {
        if (isObject(data)) {
            element[name] = data;
        } else if (element.dataset) {
            element.dataset[name] = data;
        } else {
            element.setAttribute("data-".concat(toParamCase(name)), data);
        }
    }

    /**
     * Remove data from the given element.
     * @param {Element} element - The target element.
     * @param {string} name - The data key to remove.
     */

    function removeData(element, name) {
        if (isObject(element[name])) {
            try {
                delete element[name];
            } catch (error) {
                element[name] = undefined;
            }
        } else if (element.dataset) {
            // #128 Safari not allows to delete dataset property
            try {
                delete element.dataset[name];
            } catch (error) {
                element.dataset[name] = undefined;
            }
        } else {
            element.removeAttribute("data-".concat(toParamCase(name)));
        }
    }

    var REGEXP_SPACES = /\s\s*/;

    var onceSupported = function () {
        var supported = false;

        if (IS_BROWSER) {
            var once = false;

            var listener = function listener() {
            };

            var options = Object.defineProperty({}, 'once', {
                get: function get() {
                    supported = true;
                    return once;
                },

                /**
                 * This setter can fix a `TypeError` in strict mode
                 * {@link https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Errors/Getter_only}
                 * @param {boolean} value - The value to set
                 */
                set: function set(value) {
                    once = value;
                }
            });
            WINDOW.addEventListener('test', listener, options);
            WINDOW.removeEventListener('test', listener, options);
        }

        return supported;
    }();

    /**
     * Remove event listener from the target element.
     * @param {Element} element - The event target.
     * @param {string} type - The event type(s).
     * @param {Function} listener - The event listener.
     * @param {Object} options - The event options.
     */


    function removeListener(element, type, listener) {
        var options = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : {};
        var handler = listener;
        type.trim().split(REGEXP_SPACES).forEach(function (event) {
            if (!onceSupported) {
                var listeners = element.listeners;

                if (listeners && listeners[event] && listeners[event][listener]) {
                    handler = listeners[event][listener];
                    delete listeners[event][listener];

                    if (Object.keys(listeners[event]).length === 0) {
                        delete listeners[event];
                    }

                    if (Object.keys(listeners).length === 0) {
                        delete element.listeners;
                    }
                }
            }

            element.removeEventListener(event, handler, options);
        });
    }

    /**
     * Add event listener to the target element.
     * @param {Element} element - The event target.
     * @param {string} type - The event type(s).
     * @param {Function} listener - The event listener.
     * @param {Object} options - The event options.
     */

    function addListener(element, type, listener) {
        var options = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : {};
        var _handler = listener;
        type.trim().split(REGEXP_SPACES).forEach(function (event) {
            if (options.once && !onceSupported) {
                var _element$listeners = element.listeners,
                    listeners = _element$listeners === void 0 ? {} : _element$listeners;

                _handler = function handler() {
                    delete listeners[event][listener];
                    element.removeEventListener(event, _handler, options);

                    for (var _len2 = arguments.length, args = new Array(_len2), _key2 = 0; _key2 < _len2; _key2++) {
                        args[_key2] = arguments[_key2];
                    }

                    listener.apply(element, args);
                };

                if (!listeners[event]) {
                    listeners[event] = {};
                }

                if (listeners[event][listener]) {
                    element.removeEventListener(event, listeners[event][listener], options);
                }

                listeners[event][listener] = _handler;
                element.listeners = listeners;
            }

            element.addEventListener(event, _handler, options);
        });
    }

    /**
     * Dispatch event on the target element.
     * @param {Element} element - The event target.
     * @param {string} type - The event type(s).
     * @param {Object} data - The additional event data.
     * @returns {boolean} Indicate if the event is default prevented or not.
     */

    function dispatchEvent(element, type, data) {
        var event; // Event and CustomEvent on IE9-11 are global objects, not constructors

        if (isFunction(Event) && isFunction(CustomEvent)) {
            event = new CustomEvent(type, {
                detail: data,
                bubbles: true,
                cancelable: true
            });
        } else {
            event = document.createEvent('CustomEvent');
            event.initCustomEvent(type, true, true, data);
        }

        return element.dispatchEvent(event);
    }

    /**
     * Get the offset base on the document.
     * @param {Element} element - The target element.
     * @returns {Object} The offset data.
     */

    function getOffset(element) {
        var box = element.getBoundingClientRect();
        return {
            left: box.left + (window.pageXOffset - document.documentElement.clientLeft),
            top: box.top + (window.pageYOffset - document.documentElement.clientTop)
        };
    }

    var location = WINDOW.location;
    var REGEXP_ORIGINS = /^(\w+:)\/\/([^:/?#]*):?(\d*)/i;

    /**
     * Check if the given URL is a cross origin URL.
     * @param {string} url - The target URL.
     * @returns {boolean} Returns `true` if the given URL is a cross origin URL, else `false`.
     */

    function isCrossOriginURL(url) {
        var parts = url.match(REGEXP_ORIGINS);
        return parts !== null && (parts[1] !== location.protocol || parts[2] !== location.hostname || parts[3] !== location.port);
    }

    /**
     * Add timestamp to the given URL.
     * @param {string} url - The target URL.
     * @returns {string} The result URL.
     */

    function addTimestamp(url) {
        var timestamp = "timestamp=".concat(new Date().getTime());
        return url + (url.indexOf('?') === -1 ? '?' : '&') + timestamp;
    }

    /**
     * Get transforms base on the given object.
     * @param {Object} obj - The target object.
     * @returns {string} A string contains transform values.
     */

    function getTransforms(_ref) {
        var rotate = _ref.rotate,
            scaleX = _ref.scaleX,
            scaleY = _ref.scaleY,
            translateX = _ref.translateX,
            translateY = _ref.translateY;
        var values = [];

        if (isNumber(translateX) && translateX !== 0) {
            values.push("translateX(".concat(translateX, "px)"));
        }

        if (isNumber(translateY) && translateY !== 0) {
            values.push("translateY(".concat(translateY, "px)"));
        } // Rotate should come first before scale to match orientation transform


        if (isNumber(rotate) && rotate !== 0) {
            values.push("rotate(".concat(rotate, "deg)"));
        }

        if (isNumber(scaleX) && scaleX !== 1) {
            values.push("scaleX(".concat(scaleX, ")"));
        }

        if (isNumber(scaleY) && scaleY !== 1) {
            values.push("scaleY(".concat(scaleY, ")"));
        }

        var transform = values.length ? values.join(' ') : 'none';
        return {
            WebkitTransform: transform,
            msTransform: transform,
            transform: transform
        };
    }

    /**
     * Get the max ratio of a group of pointers.
     * @param {string} pointers - The target pointers.
     * @returns {number} The result ratio.
     */

    function getMaxZoomRatio(pointers) {
        var pointers2 = assign({}, pointers);
        var ratios = [];
        forEach(pointers, function (pointer, pointerId) {
            delete pointers2[pointerId];
            forEach(pointers2, function (pointer2) {
                var x1 = Math.abs(pointer.startX - pointer2.startX);
                var y1 = Math.abs(pointer.startY - pointer2.startY);
                var x2 = Math.abs(pointer.endX - pointer2.endX);
                var y2 = Math.abs(pointer.endY - pointer2.endY);
                var z1 = Math.sqrt(x1 * x1 + y1 * y1);
                var z2 = Math.sqrt(x2 * x2 + y2 * y2);
                var ratio = (z2 - z1) / z1;
                ratios.push(ratio);
            });
        });
        ratios.sort(function (a, b) {
            return Math.abs(a) < Math.abs(b);
        });
        return ratios[0];
    }

    /**
     * Get a pointer from an event object.
     * @param {Object} event - The target event object.
     * @param {boolean} endOnly - Indicates if only returns the end point coordinate or not.
     * @returns {Object} The result pointer contains start and/or end point coordinates.
     */

    function getPointer(_ref2, endOnly) {
        var pageX = _ref2.pageX,
            pageY = _ref2.pageY;
        var end = {
            endX: pageX,
            endY: pageY
        };
        return endOnly ? end : assign({
            startX: pageX,
            startY: pageY
        }, end);
    }

    /**
     * Get the center point coordinate of a group of pointers.
     * @param {Object} pointers - The target pointers.
     * @returns {Object} The center point coordinate.
     */

    function getPointersCenter(pointers) {
        var pageX = 0;
        var pageY = 0;
        var count = 0;
        forEach(pointers, function (_ref3) {
            var startX = _ref3.startX,
                startY = _ref3.startY;
            pageX += startX;
            pageY += startY;
            count += 1;
        });
        pageX /= count;
        pageY /= count;
        return {
            pageX: pageX,
            pageY: pageY
        };
    }

    /**
     * Get the max sizes in a rectangle under the given aspect ratio.
     * @param {Object} data - The original sizes.
     * @param {string} [type='contain'] - The adjust type.
     * @returns {Object} The result sizes.
     */

    function getAdjustedSizes(_ref4) // or 'cover'
    {
        var aspectRatio = _ref4.aspectRatio,
            height = _ref4.height,
            width = _ref4.width;
        var type = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 'contain';
        var isValidWidth = isPositiveNumber(width);
        var isValidHeight = isPositiveNumber(height);

        if (isValidWidth && isValidHeight) {
            var adjustedWidth = height * aspectRatio;

            if (type === 'contain' && adjustedWidth > width || type === 'cover' && adjustedWidth < width) {
                height = width / aspectRatio;
            } else {
                width = height * aspectRatio;
            }
        } else if (isValidWidth) {
            height = width / aspectRatio;
        } else if (isValidHeight) {
            width = height * aspectRatio;
        }

        return {
            width: width,
            height: height
        };
    }

    /**
     * Get the new sizes of a rectangle after rotated.
     * @param {Object} data - The original sizes.
     * @returns {Object} The result sizes.
     */

    function getRotatedSizes(_ref5) {
        var width = _ref5.width,
            height = _ref5.height,
            degree = _ref5.degree;
        degree = Math.abs(degree) % 180;

        if (degree === 90) {
            return {
                width: height,
                height: width
            };
        }

        var arc = degree % 90 * Math.PI / 180;
        var sinArc = Math.sin(arc);
        var cosArc = Math.cos(arc);
        var newWidth = width * cosArc + height * sinArc;
        var newHeight = width * sinArc + height * cosArc;
        return degree > 90 ? {
            width: newHeight,
            height: newWidth
        } : {
            width: newWidth,
            height: newHeight
        };
    }

    /**
     * Get a canvas which drew the given image.
     * @param {HTMLImageElement} image - The image for drawing.
     * @param {Object} imageData - The image data.
     * @param {Object} canvasData - The canvas data.
     * @param {Object} options - The options.
     * @returns {HTMLCanvasElement} The result canvas.
     */

    function getSourceCanvas(image, _ref6, _ref7, _ref8) {
        var imageAspectRatio = _ref6.aspectRatio,
            imageNaturalWidth = _ref6.naturalWidth,
            imageNaturalHeight = _ref6.naturalHeight,
            _ref6$rotate = _ref6.rotate,
            rotate = _ref6$rotate === void 0 ? 0 : _ref6$rotate,
            _ref6$scaleX = _ref6.scaleX,
            scaleX = _ref6$scaleX === void 0 ? 1 : _ref6$scaleX,
            _ref6$scaleY = _ref6.scaleY,
            scaleY = _ref6$scaleY === void 0 ? 1 : _ref6$scaleY;
        var aspectRatio = _ref7.aspectRatio,
            naturalWidth = _ref7.naturalWidth,
            naturalHeight = _ref7.naturalHeight;
        var _ref8$fillColor = _ref8.fillColor,
            fillColor = _ref8$fillColor === void 0 ? 'transparent' : _ref8$fillColor,
            _ref8$imageSmoothingE = _ref8.imageSmoothingEnabled,
            imageSmoothingEnabled = _ref8$imageSmoothingE === void 0 ? true : _ref8$imageSmoothingE,
            _ref8$imageSmoothingQ = _ref8.imageSmoothingQuality,
            imageSmoothingQuality = _ref8$imageSmoothingQ === void 0 ? 'low' : _ref8$imageSmoothingQ,
            _ref8$maxWidth = _ref8.maxWidth,
            maxWidth = _ref8$maxWidth === void 0 ? Infinity : _ref8$maxWidth,
            _ref8$maxHeight = _ref8.maxHeight,
            maxHeight = _ref8$maxHeight === void 0 ? Infinity : _ref8$maxHeight,
            _ref8$minWidth = _ref8.minWidth,
            minWidth = _ref8$minWidth === void 0 ? 0 : _ref8$minWidth,
            _ref8$minHeight = _ref8.minHeight,
            minHeight = _ref8$minHeight === void 0 ? 0 : _ref8$minHeight;
        var canvas = document.createElement('canvas');
        var context = canvas.getContext('2d');
        var maxSizes = getAdjustedSizes({
            aspectRatio: aspectRatio,
            width: maxWidth,
            height: maxHeight
        });
        var minSizes = getAdjustedSizes({
            aspectRatio: aspectRatio,
            width: minWidth,
            height: minHeight
        }, 'cover');
        var width = Math.min(maxSizes.width, Math.max(minSizes.width, naturalWidth));
        var height = Math.min(maxSizes.height, Math.max(minSizes.height, naturalHeight)); // Note: should always use image's natural sizes for drawing as
        // imageData.naturalWidth === canvasData.naturalHeight when rotate % 180 === 90

        var destMaxSizes = getAdjustedSizes({
            aspectRatio: imageAspectRatio,
            width: maxWidth,
            height: maxHeight
        });
        var destMinSizes = getAdjustedSizes({
            aspectRatio: imageAspectRatio,
            width: minWidth,
            height: minHeight
        }, 'cover');
        var destWidth = Math.min(destMaxSizes.width, Math.max(destMinSizes.width, imageNaturalWidth));
        var destHeight = Math.min(destMaxSizes.height, Math.max(destMinSizes.height, imageNaturalHeight));
        var params = [-destWidth / 2, -destHeight / 2, destWidth, destHeight];
        canvas.width = normalizeDecimalNumber(width);
        canvas.height = normalizeDecimalNumber(height);
        context.fillStyle = fillColor;
        context.fillRect(0, 0, width, height);
        context.save();
        context.translate(width / 2, height / 2);
        context.rotate(rotate * Math.PI / 180);
        context.scale(scaleX, scaleY);
        context.imageSmoothingEnabled = imageSmoothingEnabled;
        context.imageSmoothingQuality = imageSmoothingQuality;
        context.drawImage.apply(context, [image].concat(_toConsumableArray(params.map(function (param) {
            return Math.floor(normalizeDecimalNumber(param));
        }))));
        context.restore();
        return canvas;
    }

    var fromCharCode = String.fromCharCode;

    /**
     * Get string from char code in data view.
     * @param {DataView} dataView - The data view for read.
     * @param {number} start - The start index.
     * @param {number} length - The read length.
     * @returns {string} The read result.
     */

    function getStringFromCharCode(dataView, start, length) {
        var str = '';
        length += start;

        for (var i = start; i < length; i += 1) {
            str += fromCharCode(dataView.getUint8(i));
        }

        return str;
    }

    var REGEXP_DATA_URL_HEAD = /^data:.*,/;

    /**
     * Transform Data URL to array buffer.
     * @param {string} dataURL - The Data URL to transform.
     * @returns {ArrayBuffer} The result array buffer.
     */

    function dataURLToArrayBuffer(dataURL) {
        var base64 = dataURL.replace(REGEXP_DATA_URL_HEAD, '');
        var binary = atob(base64);
        var arrayBuffer = new ArrayBuffer(binary.length);
        var uint8 = new Uint8Array(arrayBuffer);
        forEach(uint8, function (value, i) {
            uint8[i] = binary.charCodeAt(i);
        });
        return arrayBuffer;
    }

    /**
     * Transform array buffer to Data URL.
     * @param {ArrayBuffer} arrayBuffer - The array buffer to transform.
     * @param {string} mimeType - The mime type of the Data URL.
     * @returns {string} The result Data URL.
     */

    function arrayBufferToDataURL(arrayBuffer, mimeType) {
        var chunks = []; // Chunk Typed Array for better performance (#435)

        var chunkSize = 8192;
        var uint8 = new Uint8Array(arrayBuffer);

        while (uint8.length > 0) {
            // XXX: Babel's `toConsumableArray` helper will throw error in IE or Safari 9
            // eslint-disable-next-line prefer-spread
            chunks.push(fromCharCode.apply(null, toArray(uint8.subarray(0, chunkSize))));
            uint8 = uint8.subarray(chunkSize);
        }

        return "data:".concat(mimeType, ";base64,").concat(btoa(chunks.join('')));
    }

    /**
     * Get orientation value from given array buffer.
     * @param {ArrayBuffer} arrayBuffer - The array buffer to read.
     * @returns {number} The read orientation value.
     */

    function resetAndGetOrientation(arrayBuffer) {
        var dataView = new DataView(arrayBuffer);
        var orientation; // Ignores range error when the image does not have correct Exif information

        try {
            var littleEndian;
            var app1Start;
            var ifdStart; // Only handle JPEG image (start by 0xFFD8)

            if (dataView.getUint8(0) === 0xFF && dataView.getUint8(1) === 0xD8) {
                var length = dataView.byteLength;
                var offset = 2;

                while (offset + 1 < length) {
                    if (dataView.getUint8(offset) === 0xFF && dataView.getUint8(offset + 1) === 0xE1) {
                        app1Start = offset;
                        break;
                    }

                    offset += 1;
                }
            }

            if (app1Start) {
                var exifIDCode = app1Start + 4;
                var tiffOffset = app1Start + 10;

                if (getStringFromCharCode(dataView, exifIDCode, 4) === 'Exif') {
                    var endianness = dataView.getUint16(tiffOffset);
                    littleEndian = endianness === 0x4949;

                    if (littleEndian || endianness === 0x4D4D
                    /* bigEndian */
                    ) {
                        if (dataView.getUint16(tiffOffset + 2, littleEndian) === 0x002A) {
                            var firstIFDOffset = dataView.getUint32(tiffOffset + 4, littleEndian);

                            if (firstIFDOffset >= 0x00000008) {
                                ifdStart = tiffOffset + firstIFDOffset;
                            }
                        }
                    }
                }
            }

            if (ifdStart) {
                var _length = dataView.getUint16(ifdStart, littleEndian);

                var _offset;

                var i;

                for (i = 0; i < _length; i += 1) {
                    _offset = ifdStart + i * 12 + 2;

                    if (dataView.getUint16(_offset, littleEndian) === 0x0112
                    /* Orientation */
                    ) {
                        // 8 is the offset of the current tag's value
                        _offset += 8; // Get the original orientation value

                        orientation = dataView.getUint16(_offset, littleEndian); // Override the orientation with its default value

                        dataView.setUint16(_offset, 1, littleEndian);
                        break;
                    }
                }
            }
        } catch (error) {
            orientation = 1;
        }

        return orientation;
    }

    /**
     * Parse Exif Orientation value.
     * @param {number} orientation - The orientation to parse.
     * @returns {Object} The parsed result.
     */

    function parseOrientation(orientation) {
        var rotate = 0;
        var scaleX = 1;
        var scaleY = 1;

        switch (orientation) {
            // Flip horizontal
            case 2:
                scaleX = -1;
                break;
            // Rotate left 180°

            case 3:
                rotate = -180;
                break;
            // Flip vertical

            case 4:
                scaleY = -1;
                break;
            // Flip vertical and rotate right 90°

            case 5:
                rotate = 90;
                scaleY = -1;
                break;
            // Rotate right 90°

            case 6:
                rotate = 90;
                break;
            // Flip horizontal and rotate right 90°

            case 7:
                rotate = 90;
                scaleX = -1;
                break;
            // Rotate left 90°

            case 8:
                rotate = -90;
                break;

            default:
        }

        return {
            rotate: rotate,
            scaleX: scaleX,
            scaleY: scaleY
        };
    }

    var render = {
        render: function render() {
            this.initContainer();
            this.initCanvas();
            this.initCropBox();
            this.renderCanvas();

            if (this.cropped) {
                this.renderCropBox();
            }
        },
        initContainer: function initContainer() {
            var element = this.element,
                options = this.options,
                container = this.container,
                cropper = this.cropper;
            addClass(cropper, CLASS_HIDDEN);
            removeClass(element, CLASS_HIDDEN);
            var containerData = {
                width: Math.max(container.offsetWidth, Number(options.minContainerWidth) || 200),
                height: Math.max(container.offsetHeight, Number(options.minContainerHeight) || 100)
            };
            this.containerData = containerData;
            setStyle(cropper, {
                width: containerData.width,
                height: containerData.height
            });
            addClass(element, CLASS_HIDDEN);
            removeClass(cropper, CLASS_HIDDEN);
        },
        // Canvas (image wrapper)
        initCanvas: function initCanvas() {
            var containerData = this.containerData,
                imageData = this.imageData;
            var viewMode = this.options.viewMode;
            var rotated = Math.abs(imageData.rotate) % 180 === 90;
            var naturalWidth = rotated ? imageData.naturalHeight : imageData.naturalWidth;
            var naturalHeight = rotated ? imageData.naturalWidth : imageData.naturalHeight;
            var aspectRatio = naturalWidth / naturalHeight;
            var canvasWidth = containerData.width;
            var canvasHeight = containerData.height;

            if (containerData.height * aspectRatio > containerData.width) {
                if (viewMode === 3) {
                    canvasWidth = containerData.height * aspectRatio;
                } else {
                    canvasHeight = containerData.width / aspectRatio;
                }
            } else if (viewMode === 3) {
                canvasHeight = containerData.width / aspectRatio;
            } else {
                canvasWidth = containerData.height * aspectRatio;
            }

            var canvasData = {
                aspectRatio: aspectRatio,
                naturalWidth: naturalWidth,
                naturalHeight: naturalHeight,
                width: canvasWidth,
                height: canvasHeight
            };
            canvasData.left = (containerData.width - canvasWidth) / 2;
            canvasData.top = (containerData.height - canvasHeight) / 2;
            canvasData.oldLeft = canvasData.left;
            canvasData.oldTop = canvasData.top;
            this.canvasData = canvasData;
            this.limited = viewMode === 1 || viewMode === 2;
            this.limitCanvas(true, true);
            this.initialImageData = assign({}, imageData);
            this.initialCanvasData = assign({}, canvasData);
        },
        limitCanvas: function limitCanvas(sizeLimited, positionLimited) {
            var options = this.options,
                containerData = this.containerData,
                canvasData = this.canvasData,
                cropBoxData = this.cropBoxData;
            var viewMode = options.viewMode;
            var aspectRatio = canvasData.aspectRatio;
            var cropped = this.cropped && cropBoxData;

            if (sizeLimited) {
                var minCanvasWidth = Number(options.minCanvasWidth) || 0;
                var minCanvasHeight = Number(options.minCanvasHeight) || 0;

                if (viewMode > 1) {
                    minCanvasWidth = Math.max(minCanvasWidth, containerData.width);
                    minCanvasHeight = Math.max(minCanvasHeight, containerData.height);

                    if (viewMode === 3) {
                        if (minCanvasHeight * aspectRatio > minCanvasWidth) {
                            minCanvasWidth = minCanvasHeight * aspectRatio;
                        } else {
                            minCanvasHeight = minCanvasWidth / aspectRatio;
                        }
                    }
                } else if (viewMode > 0) {
                    if (minCanvasWidth) {
                        minCanvasWidth = Math.max(minCanvasWidth, cropped ? cropBoxData.width : 0);
                    } else if (minCanvasHeight) {
                        minCanvasHeight = Math.max(minCanvasHeight, cropped ? cropBoxData.height : 0);
                    } else if (cropped) {
                        minCanvasWidth = cropBoxData.width;
                        minCanvasHeight = cropBoxData.height;

                        if (minCanvasHeight * aspectRatio > minCanvasWidth) {
                            minCanvasWidth = minCanvasHeight * aspectRatio;
                        } else {
                            minCanvasHeight = minCanvasWidth / aspectRatio;
                        }
                    }
                }

                var _getAdjustedSizes = getAdjustedSizes({
                    aspectRatio: aspectRatio,
                    width: minCanvasWidth,
                    height: minCanvasHeight
                });

                minCanvasWidth = _getAdjustedSizes.width;
                minCanvasHeight = _getAdjustedSizes.height;
                canvasData.minWidth = minCanvasWidth;
                canvasData.minHeight = minCanvasHeight;
                canvasData.maxWidth = Infinity;
                canvasData.maxHeight = Infinity;
            }

            if (positionLimited) {
                if (viewMode > (cropped ? 0 : 1)) {
                    var newCanvasLeft = containerData.width - canvasData.width;
                    var newCanvasTop = containerData.height - canvasData.height;
                    canvasData.minLeft = Math.min(0, newCanvasLeft);
                    canvasData.minTop = Math.min(0, newCanvasTop);
                    canvasData.maxLeft = Math.max(0, newCanvasLeft);
                    canvasData.maxTop = Math.max(0, newCanvasTop);

                    if (cropped && this.limited) {
                        canvasData.minLeft = Math.min(cropBoxData.left, cropBoxData.left + (cropBoxData.width - canvasData.width));
                        canvasData.minTop = Math.min(cropBoxData.top, cropBoxData.top + (cropBoxData.height - canvasData.height));
                        canvasData.maxLeft = cropBoxData.left;
                        canvasData.maxTop = cropBoxData.top;

                        if (viewMode === 2) {
                            if (canvasData.width >= containerData.width) {
                                canvasData.minLeft = Math.min(0, newCanvasLeft);
                                canvasData.maxLeft = Math.max(0, newCanvasLeft);
                            }

                            if (canvasData.height >= containerData.height) {
                                canvasData.minTop = Math.min(0, newCanvasTop);
                                canvasData.maxTop = Math.max(0, newCanvasTop);
                            }
                        }
                    }
                } else {
                    canvasData.minLeft = -canvasData.width;
                    canvasData.minTop = -canvasData.height;
                    canvasData.maxLeft = containerData.width;
                    canvasData.maxTop = containerData.height;
                }
            }
        },
        renderCanvas: function renderCanvas(changed, transformed) {
            var canvasData = this.canvasData,
                imageData = this.imageData;

            if (transformed) {
                var _getRotatedSizes = getRotatedSizes({
                        width: imageData.naturalWidth * Math.abs(imageData.scaleX || 1),
                        height: imageData.naturalHeight * Math.abs(imageData.scaleY || 1),
                        degree: imageData.rotate || 0
                    }),
                    naturalWidth = _getRotatedSizes.width,
                    naturalHeight = _getRotatedSizes.height;

                var width = canvasData.width * (naturalWidth / canvasData.naturalWidth);
                var height = canvasData.height * (naturalHeight / canvasData.naturalHeight);
                canvasData.left -= (width - canvasData.width) / 2;
                canvasData.top -= (height - canvasData.height) / 2;
                canvasData.width = width;
                canvasData.height = height;
                canvasData.aspectRatio = naturalWidth / naturalHeight;
                canvasData.naturalWidth = naturalWidth;
                canvasData.naturalHeight = naturalHeight;
                this.limitCanvas(true, false);
            }

            if (canvasData.width > canvasData.maxWidth || canvasData.width < canvasData.minWidth) {
                canvasData.left = canvasData.oldLeft;
            }

            if (canvasData.height > canvasData.maxHeight || canvasData.height < canvasData.minHeight) {
                canvasData.top = canvasData.oldTop;
            }

            canvasData.width = Math.min(Math.max(canvasData.width, canvasData.minWidth), canvasData.maxWidth);
            canvasData.height = Math.min(Math.max(canvasData.height, canvasData.minHeight), canvasData.maxHeight);
            this.limitCanvas(false, true);
            canvasData.left = Math.min(Math.max(canvasData.left, canvasData.minLeft), canvasData.maxLeft);
            canvasData.top = Math.min(Math.max(canvasData.top, canvasData.minTop), canvasData.maxTop);
            canvasData.oldLeft = canvasData.left;
            canvasData.oldTop = canvasData.top;
            setStyle(this.canvas, assign({
                width: canvasData.width,
                height: canvasData.height
            }, getTransforms({
                translateX: canvasData.left,
                translateY: canvasData.top
            })));
            this.renderImage(changed);

            if (this.cropped && this.limited) {
                this.limitCropBox(true, true);
            }
        },
        renderImage: function renderImage(changed) {
            var canvasData = this.canvasData,
                imageData = this.imageData;
            var width = imageData.naturalWidth * (canvasData.width / canvasData.naturalWidth);
            var height = imageData.naturalHeight * (canvasData.height / canvasData.naturalHeight);
            assign(imageData, {
                width: width,
                height: height,
                left: (canvasData.width - width) / 2,
                top: (canvasData.height - height) / 2
            });
            setStyle(this.image, assign({
                width: imageData.width,
                height: imageData.height
            }, getTransforms(assign({
                translateX: imageData.left,
                translateY: imageData.top
            }, imageData))));

            if (changed) {
                this.output();
            }
        },
        initCropBox: function initCropBox() {
            var options = this.options,
                canvasData = this.canvasData;
            var aspectRatio = options.aspectRatio || options.initialAspectRatio;
            var autoCropArea = Number(options.autoCropArea) || 0.8;
            var cropBoxData = {
                width: canvasData.width,
                height: canvasData.height
            };

            if (aspectRatio) {
                if (canvasData.height * aspectRatio > canvasData.width) {
                    cropBoxData.height = cropBoxData.width / aspectRatio;
                } else {
                    cropBoxData.width = cropBoxData.height * aspectRatio;
                }
            }

            this.cropBoxData = cropBoxData;
            this.limitCropBox(true, true); // Initialize auto crop area

            cropBoxData.width = Math.min(Math.max(cropBoxData.width, cropBoxData.minWidth), cropBoxData.maxWidth);
            cropBoxData.height = Math.min(Math.max(cropBoxData.height, cropBoxData.minHeight), cropBoxData.maxHeight); // The width/height of auto crop area must large than "minWidth/Height"

            cropBoxData.width = Math.max(cropBoxData.minWidth, cropBoxData.width * autoCropArea);
            cropBoxData.height = Math.max(cropBoxData.minHeight, cropBoxData.height * autoCropArea);
            cropBoxData.left = canvasData.left + (canvasData.width - cropBoxData.width) / 2;
            cropBoxData.top = canvasData.top + (canvasData.height - cropBoxData.height) / 2;
            cropBoxData.oldLeft = cropBoxData.left;
            cropBoxData.oldTop = cropBoxData.top;
            this.initialCropBoxData = assign({}, cropBoxData);
        },
        limitCropBox: function limitCropBox(sizeLimited, positionLimited) {
            var options = this.options,
                containerData = this.containerData,
                canvasData = this.canvasData,
                cropBoxData = this.cropBoxData,
                limited = this.limited;
            var aspectRatio = options.aspectRatio;

            if (sizeLimited) {
                var minCropBoxWidth = Number(options.minCropBoxWidth) || 0;
                var minCropBoxHeight = Number(options.minCropBoxHeight) || 0;
                var maxCropBoxWidth = limited ? Math.min(containerData.width, canvasData.width, canvasData.width + canvasData.left, containerData.width - canvasData.left) : containerData.width;
                var maxCropBoxHeight = limited ? Math.min(containerData.height, canvasData.height, canvasData.height + canvasData.top, containerData.height - canvasData.top) : containerData.height; // The min/maxCropBoxWidth/Height must be less than container's width/height

                minCropBoxWidth = Math.min(minCropBoxWidth, containerData.width);
                minCropBoxHeight = Math.min(minCropBoxHeight, containerData.height);

                if (aspectRatio) {
                    if (minCropBoxWidth && minCropBoxHeight) {
                        if (minCropBoxHeight * aspectRatio > minCropBoxWidth) {
                            minCropBoxHeight = minCropBoxWidth / aspectRatio;
                        } else {
                            minCropBoxWidth = minCropBoxHeight * aspectRatio;
                        }
                    } else if (minCropBoxWidth) {
                        minCropBoxHeight = minCropBoxWidth / aspectRatio;
                    } else if (minCropBoxHeight) {
                        minCropBoxWidth = minCropBoxHeight * aspectRatio;
                    }

                    if (maxCropBoxHeight * aspectRatio > maxCropBoxWidth) {
                        maxCropBoxHeight = maxCropBoxWidth / aspectRatio;
                    } else {
                        maxCropBoxWidth = maxCropBoxHeight * aspectRatio;
                    }
                } // The minWidth/Height must be less than maxWidth/Height


                cropBoxData.minWidth = Math.min(minCropBoxWidth, maxCropBoxWidth);
                cropBoxData.minHeight = Math.min(minCropBoxHeight, maxCropBoxHeight);
                cropBoxData.maxWidth = maxCropBoxWidth;
                cropBoxData.maxHeight = maxCropBoxHeight;
            }

            if (positionLimited) {
                if (limited) {
                    cropBoxData.minLeft = Math.max(0, canvasData.left);
                    cropBoxData.minTop = Math.max(0, canvasData.top);
                    cropBoxData.maxLeft = Math.min(containerData.width, canvasData.left + canvasData.width) - cropBoxData.width;
                    cropBoxData.maxTop = Math.min(containerData.height, canvasData.top + canvasData.height) - cropBoxData.height;
                } else {
                    cropBoxData.minLeft = 0;
                    cropBoxData.minTop = 0;
                    cropBoxData.maxLeft = containerData.width - cropBoxData.width;
                    cropBoxData.maxTop = containerData.height - cropBoxData.height;
                }
            }
        },
        renderCropBox: function renderCropBox() {
            var options = this.options,
                containerData = this.containerData,
                cropBoxData = this.cropBoxData;

            if (cropBoxData.width > cropBoxData.maxWidth || cropBoxData.width < cropBoxData.minWidth) {
                cropBoxData.left = cropBoxData.oldLeft;
            }

            if (cropBoxData.height > cropBoxData.maxHeight || cropBoxData.height < cropBoxData.minHeight) {
                cropBoxData.top = cropBoxData.oldTop;
            }

            cropBoxData.width = Math.min(Math.max(cropBoxData.width, cropBoxData.minWidth), cropBoxData.maxWidth);
            cropBoxData.height = Math.min(Math.max(cropBoxData.height, cropBoxData.minHeight), cropBoxData.maxHeight);
            this.limitCropBox(false, true);
            cropBoxData.left = Math.min(Math.max(cropBoxData.left, cropBoxData.minLeft), cropBoxData.maxLeft);
            cropBoxData.top = Math.min(Math.max(cropBoxData.top, cropBoxData.minTop), cropBoxData.maxTop);
            cropBoxData.oldLeft = cropBoxData.left;
            cropBoxData.oldTop = cropBoxData.top;

            if (options.movable && options.cropBoxMovable) {
                // Turn to move the canvas when the crop box is equal to the container
                setData(this.face, DATA_ACTION, cropBoxData.width >= containerData.width && cropBoxData.height >= containerData.height ? ACTION_MOVE : ACTION_ALL);
            }

            setStyle(this.cropBox, assign({
                width: cropBoxData.width,
                height: cropBoxData.height
            }, getTransforms({
                translateX: cropBoxData.left,
                translateY: cropBoxData.top
            })));

            if (this.cropped && this.limited) {
                this.limitCanvas(true, true);
            }

            if (!this.disabled) {
                this.output();
            }
        },
        output: function output() {
            this.preview();
            dispatchEvent(this.element, EVENT_CROP, this.getData());
        }
    };

    var preview = {
        initPreview: function initPreview() {
            var crossOrigin = this.crossOrigin;
            var preview = this.options.preview;
            var url = crossOrigin ? this.crossOriginUrl : this.url;
            var image = document.createElement('img');

            if (crossOrigin) {
                image.crossOrigin = crossOrigin;
            }

            image.src = url;
            this.viewBox.appendChild(image);
            this.viewBoxImage = image;

            if (!preview) {
                return;
            }

            var previews = preview;

            if (typeof preview === 'string') {
                previews = this.element.ownerDocument.querySelectorAll(preview);
            } else if (preview.querySelector) {
                previews = [preview];
            }

            this.previews = previews;
            forEach(previews, function (el) {
                var img = document.createElement('img'); // Save the original size for recover

                setData(el, DATA_PREVIEW, {
                    width: el.offsetWidth,
                    height: el.offsetHeight,
                    html: el.innerHTML
                });

                if (crossOrigin) {
                    img.crossOrigin = crossOrigin;
                }

                img.src = url;
                /**
                 * Override img element styles
                 * Add `display:block` to avoid margin top issue
                 * Add `height:auto` to override `height` attribute on IE8
                 * (Occur only when margin-top <= -height)
                 */

                img.style.cssText = 'display:block;' + 'width:100%;' + 'height:auto;' + 'min-width:0!important;' + 'min-height:0!important;' + 'max-width:none!important;' + 'max-height:none!important;' + 'image-orientation:0deg!important;"';
                el.innerHTML = '';
                el.appendChild(img);
            });
        },
        resetPreview: function resetPreview() {
            forEach(this.previews, function (element) {
                var data = getData(element, DATA_PREVIEW);
                setStyle(element, {
                    width: data.width,
                    height: data.height
                });
                element.innerHTML = data.html;
                removeData(element, DATA_PREVIEW);
            });
        },
        preview: function preview() {
            var imageData = this.imageData,
                canvasData = this.canvasData,
                cropBoxData = this.cropBoxData;
            var cropBoxWidth = cropBoxData.width,
                cropBoxHeight = cropBoxData.height;
            var width = imageData.width,
                height = imageData.height;
            var left = cropBoxData.left - canvasData.left - imageData.left;
            var top = cropBoxData.top - canvasData.top - imageData.top;

            if (!this.cropped || this.disabled) {
                return;
            }

            setStyle(this.viewBoxImage, assign({
                width: width,
                height: height
            }, getTransforms(assign({
                translateX: -left,
                translateY: -top
            }, imageData))));
            forEach(this.previews, function (element) {
                var data = getData(element, DATA_PREVIEW);
                var originalWidth = data.width;
                var originalHeight = data.height;
                var newWidth = originalWidth;
                var newHeight = originalHeight;
                var ratio = 1;

                if (cropBoxWidth) {
                    ratio = originalWidth / cropBoxWidth;
                    newHeight = cropBoxHeight * ratio;
                }

                if (cropBoxHeight && newHeight > originalHeight) {
                    ratio = originalHeight / cropBoxHeight;
                    newWidth = cropBoxWidth * ratio;
                    newHeight = originalHeight;
                }

                setStyle(element, {
                    width: newWidth,
                    height: newHeight
                });
                setStyle(element.getElementsByTagName('img')[0], assign({
                    width: width * ratio,
                    height: height * ratio
                }, getTransforms(assign({
                    translateX: -left * ratio,
                    translateY: -top * ratio
                }, imageData))));
            });
        }
    };

    var events = {
        bind: function bind() {
            var element = this.element,
                options = this.options,
                cropper = this.cropper;

            if (isFunction(options.cropstart)) {
                addListener(element, EVENT_CROP_START, options.cropstart);
            }

            if (isFunction(options.cropmove)) {
                addListener(element, EVENT_CROP_MOVE, options.cropmove);
            }

            if (isFunction(options.cropend)) {
                addListener(element, EVENT_CROP_END, options.cropend);
            }

            if (isFunction(options.crop)) {
                addListener(element, EVENT_CROP, options.crop);
            }

            if (isFunction(options.zoom)) {
                addListener(element, EVENT_ZOOM, options.zoom);
            }

            addListener(cropper, EVENT_POINTER_DOWN, this.onCropStart = this.cropStart.bind(this));

            if (options.zoomable && options.zoomOnWheel) {
                addListener(cropper, EVENT_WHEEL, this.onWheel = this.wheel.bind(this), {
                    passive: false,
                    capture: true
                });
            }

            if (options.toggleDragModeOnDblclick) {
                addListener(cropper, EVENT_DBLCLICK, this.onDblclick = this.dblclick.bind(this));
            }

            addListener(element.ownerDocument, EVENT_POINTER_MOVE, this.onCropMove = this.cropMove.bind(this));
            addListener(element.ownerDocument, EVENT_POINTER_UP, this.onCropEnd = this.cropEnd.bind(this));

            if (options.responsive) {
                addListener(window, EVENT_RESIZE, this.onResize = this.resize.bind(this));
            }
        },
        unbind: function unbind() {
            var element = this.element,
                options = this.options,
                cropper = this.cropper;

            if (isFunction(options.cropstart)) {
                removeListener(element, EVENT_CROP_START, options.cropstart);
            }

            if (isFunction(options.cropmove)) {
                removeListener(element, EVENT_CROP_MOVE, options.cropmove);
            }

            if (isFunction(options.cropend)) {
                removeListener(element, EVENT_CROP_END, options.cropend);
            }

            if (isFunction(options.crop)) {
                removeListener(element, EVENT_CROP, options.crop);
            }

            if (isFunction(options.zoom)) {
                removeListener(element, EVENT_ZOOM, options.zoom);
            }

            removeListener(cropper, EVENT_POINTER_DOWN, this.onCropStart);

            if (options.zoomable && options.zoomOnWheel) {
                removeListener(cropper, EVENT_WHEEL, this.onWheel, {
                    passive: false,
                    capture: true
                });
            }

            if (options.toggleDragModeOnDblclick) {
                removeListener(cropper, EVENT_DBLCLICK, this.onDblclick);
            }

            removeListener(element.ownerDocument, EVENT_POINTER_MOVE, this.onCropMove);
            removeListener(element.ownerDocument, EVENT_POINTER_UP, this.onCropEnd);

            if (options.responsive) {
                removeListener(window, EVENT_RESIZE, this.onResize);
            }
        }
    };

    var handlers = {
        resize: function resize() {
            var options = this.options,
                container = this.container,
                containerData = this.containerData;
            var minContainerWidth = Number(options.minContainerWidth) || MIN_CONTAINER_WIDTH;
            var minContainerHeight = Number(options.minContainerHeight) || MIN_CONTAINER_HEIGHT;

            if (this.disabled || containerData.width <= minContainerWidth || containerData.height <= minContainerHeight) {
                return;
            }

            var ratio = container.offsetWidth / containerData.width; // Resize when width changed or height changed

            if (ratio !== 1 || container.offsetHeight !== containerData.height) {
                var canvasData;
                var cropBoxData;

                if (options.restore) {
                    canvasData = this.getCanvasData();
                    cropBoxData = this.getCropBoxData();
                }

                this.render();

                if (options.restore) {
                    this.setCanvasData(forEach(canvasData, function (n, i) {
                        canvasData[i] = n * ratio;
                    }));
                    this.setCropBoxData(forEach(cropBoxData, function (n, i) {
                        cropBoxData[i] = n * ratio;
                    }));
                }
            }
        },
        dblclick: function dblclick() {
            if (this.disabled || this.options.dragMode === DRAG_MODE_NONE) {
                return;
            }

            this.setDragMode(hasClass(this.dragBox, CLASS_CROP) ? DRAG_MODE_MOVE : DRAG_MODE_CROP);
        },
        wheel: function wheel(event) {
            var _this = this;

            var ratio = Number(this.options.wheelZoomRatio) || 0.1;
            var delta = 1;

            if (this.disabled) {
                return;
            }

            event.preventDefault(); // Limit wheel speed to prevent zoom too fast (#21)

            if (this.wheeling) {
                return;
            }

            this.wheeling = true;
            setTimeout(function () {
                _this.wheeling = false;
            }, 50);

            if (event.deltaY) {
                delta = event.deltaY > 0 ? 1 : -1;
            } else if (event.wheelDelta) {
                delta = -event.wheelDelta / 120;
            } else if (event.detail) {
                delta = event.detail > 0 ? 1 : -1;
            }

            this.zoom(-delta * ratio, event);
        },
        cropStart: function cropStart(event) {
            var buttons = event.buttons,
                button = event.button;

            if (this.disabled // No primary button (Usually the left button)
                // Note that touch events have no `buttons` or `button` property
                || isNumber(buttons) && buttons !== 1 || isNumber(button) && button !== 0 // Open context menu
                || event.ctrlKey) {
                return;
            }

            var options = this.options,
                pointers = this.pointers;
            var action;

            if (event.changedTouches) {
                // Handle touch event
                forEach(event.changedTouches, function (touch) {
                    pointers[touch.identifier] = getPointer(touch);
                });
            } else {
                // Handle mouse event and pointer event
                pointers[event.pointerId || 0] = getPointer(event);
            }

            if (Object.keys(pointers).length > 1 && options.zoomable && options.zoomOnTouch) {
                action = ACTION_ZOOM;
            } else {
                action = getData(event.target, DATA_ACTION);
            }

            if (!REGEXP_ACTIONS.test(action)) {
                return;
            }

            if (dispatchEvent(this.element, EVENT_CROP_START, {
                originalEvent: event,
                action: action
            }) === false) {
                return;
            } // This line is required for preventing page zooming in iOS browsers


            event.preventDefault();
            this.action = action;
            this.cropping = false;

            if (action === ACTION_CROP) {
                this.cropping = true;
                addClass(this.dragBox, CLASS_MODAL);
            }
        },
        cropMove: function cropMove(event) {
            var action = this.action;

            if (this.disabled || !action) {
                return;
            }

            var pointers = this.pointers;
            event.preventDefault();

            if (dispatchEvent(this.element, EVENT_CROP_MOVE, {
                originalEvent: event,
                action: action
            }) === false) {
                return;
            }

            if (event.changedTouches) {
                forEach(event.changedTouches, function (touch) {
                    // The first parameter should not be undefined (#432)
                    assign(pointers[touch.identifier] || {}, getPointer(touch, true));
                });
            } else {
                assign(pointers[event.pointerId || 0] || {}, getPointer(event, true));
            }

            this.change(event);
        },
        cropEnd: function cropEnd(event) {
            if (this.disabled) {
                return;
            }

            var action = this.action,
                pointers = this.pointers;

            if (event.changedTouches) {
                forEach(event.changedTouches, function (touch) {
                    delete pointers[touch.identifier];
                });
            } else {
                delete pointers[event.pointerId || 0];
            }

            if (!action) {
                return;
            }

            event.preventDefault();

            if (!Object.keys(pointers).length) {
                this.action = '';
            }

            if (this.cropping) {
                this.cropping = false;
                toggleClass(this.dragBox, CLASS_MODAL, this.cropped && this.options.modal);
            }

            dispatchEvent(this.element, EVENT_CROP_END, {
                originalEvent: event,
                action: action
            });
        }
    };

    var change = {
        change: function change(event) {
            var options = this.options,
                canvasData = this.canvasData,
                containerData = this.containerData,
                cropBoxData = this.cropBoxData,
                pointers = this.pointers;
            var action = this.action;
            var aspectRatio = options.aspectRatio;
            var left = cropBoxData.left,
                top = cropBoxData.top,
                width = cropBoxData.width,
                height = cropBoxData.height;
            var right = left + width;
            var bottom = top + height;
            var minLeft = 0;
            var minTop = 0;
            var maxWidth = containerData.width;
            var maxHeight = containerData.height;
            var renderable = true;
            var offset; // Locking aspect ratio in "free mode" by holding shift key

            if (!aspectRatio && event.shiftKey) {
                aspectRatio = width && height ? width / height : 1;
            }

            if (this.limited) {
                minLeft = cropBoxData.minLeft;
                minTop = cropBoxData.minTop;
                maxWidth = minLeft + Math.min(containerData.width, canvasData.width, canvasData.left + canvasData.width);
                maxHeight = minTop + Math.min(containerData.height, canvasData.height, canvasData.top + canvasData.height);
            }

            var pointer = pointers[Object.keys(pointers)[0]];
            var range = {
                x: pointer.endX - pointer.startX,
                y: pointer.endY - pointer.startY
            };

            var check = function check(side) {
                switch (side) {
                    case ACTION_EAST:
                        if (right + range.x > maxWidth) {
                            range.x = maxWidth - right;
                        }

                        break;

                    case ACTION_WEST:
                        if (left + range.x < minLeft) {
                            range.x = minLeft - left;
                        }

                        break;

                    case ACTION_NORTH:
                        if (top + range.y < minTop) {
                            range.y = minTop - top;
                        }

                        break;

                    case ACTION_SOUTH:
                        if (bottom + range.y > maxHeight) {
                            range.y = maxHeight - bottom;
                        }

                        break;

                    default:
                }
            };

            switch (action) {
                // Move crop box
                case ACTION_ALL:
                    left += range.x;
                    top += range.y;
                    break;
                // Resize crop box

                case ACTION_EAST:
                    if (range.x >= 0 && (right >= maxWidth || aspectRatio && (top <= minTop || bottom >= maxHeight))) {
                        renderable = false;
                        break;
                    }

                    check(ACTION_EAST);
                    width += range.x;

                    if (width < 0) {
                        action = ACTION_WEST;
                        width = -width;
                        left -= width;
                    }

                    if (aspectRatio) {
                        height = width / aspectRatio;
                        top += (cropBoxData.height - height) / 2;
                    }

                    break;

                case ACTION_NORTH:
                    if (range.y <= 0 && (top <= minTop || aspectRatio && (left <= minLeft || right >= maxWidth))) {
                        renderable = false;
                        break;
                    }

                    check(ACTION_NORTH);
                    height -= range.y;
                    top += range.y;

                    if (height < 0) {
                        action = ACTION_SOUTH;
                        height = -height;
                        top -= height;
                    }

                    if (aspectRatio) {
                        width = height * aspectRatio;
                        left += (cropBoxData.width - width) / 2;
                    }

                    break;

                case ACTION_WEST:
                    if (range.x <= 0 && (left <= minLeft || aspectRatio && (top <= minTop || bottom >= maxHeight))) {
                        renderable = false;
                        break;
                    }

                    check(ACTION_WEST);
                    width -= range.x;
                    left += range.x;

                    if (width < 0) {
                        action = ACTION_EAST;
                        width = -width;
                        left -= width;
                    }

                    if (aspectRatio) {
                        height = width / aspectRatio;
                        top += (cropBoxData.height - height) / 2;
                    }

                    break;

                case ACTION_SOUTH:
                    if (range.y >= 0 && (bottom >= maxHeight || aspectRatio && (left <= minLeft || right >= maxWidth))) {
                        renderable = false;
                        break;
                    }

                    check(ACTION_SOUTH);
                    height += range.y;

                    if (height < 0) {
                        action = ACTION_NORTH;
                        height = -height;
                        top -= height;
                    }

                    if (aspectRatio) {
                        width = height * aspectRatio;
                        left += (cropBoxData.width - width) / 2;
                    }

                    break;

                case ACTION_NORTH_EAST:
                    if (aspectRatio) {
                        if (range.y <= 0 && (top <= minTop || right >= maxWidth)) {
                            renderable = false;
                            break;
                        }

                        check(ACTION_NORTH);
                        height -= range.y;
                        top += range.y;
                        width = height * aspectRatio;
                    } else {
                        check(ACTION_NORTH);
                        check(ACTION_EAST);

                        if (range.x >= 0) {
                            if (right < maxWidth) {
                                width += range.x;
                            } else if (range.y <= 0 && top <= minTop) {
                                renderable = false;
                            }
                        } else {
                            width += range.x;
                        }

                        if (range.y <= 0) {
                            if (top > minTop) {
                                height -= range.y;
                                top += range.y;
                            }
                        } else {
                            height -= range.y;
                            top += range.y;
                        }
                    }

                    if (width < 0 && height < 0) {
                        action = ACTION_SOUTH_WEST;
                        height = -height;
                        width = -width;
                        top -= height;
                        left -= width;
                    } else if (width < 0) {
                        action = ACTION_NORTH_WEST;
                        width = -width;
                        left -= width;
                    } else if (height < 0) {
                        action = ACTION_SOUTH_EAST;
                        height = -height;
                        top -= height;
                    }

                    break;

                case ACTION_NORTH_WEST:
                    if (aspectRatio) {
                        if (range.y <= 0 && (top <= minTop || left <= minLeft)) {
                            renderable = false;
                            break;
                        }

                        check(ACTION_NORTH);
                        height -= range.y;
                        top += range.y;
                        width = height * aspectRatio;
                        left += cropBoxData.width - width;
                    } else {
                        check(ACTION_NORTH);
                        check(ACTION_WEST);

                        if (range.x <= 0) {
                            if (left > minLeft) {
                                width -= range.x;
                                left += range.x;
                            } else if (range.y <= 0 && top <= minTop) {
                                renderable = false;
                            }
                        } else {
                            width -= range.x;
                            left += range.x;
                        }

                        if (range.y <= 0) {
                            if (top > minTop) {
                                height -= range.y;
                                top += range.y;
                            }
                        } else {
                            height -= range.y;
                            top += range.y;
                        }
                    }

                    if (width < 0 && height < 0) {
                        action = ACTION_SOUTH_EAST;
                        height = -height;
                        width = -width;
                        top -= height;
                        left -= width;
                    } else if (width < 0) {
                        action = ACTION_NORTH_EAST;
                        width = -width;
                        left -= width;
                    } else if (height < 0) {
                        action = ACTION_SOUTH_WEST;
                        height = -height;
                        top -= height;
                    }

                    break;

                case ACTION_SOUTH_WEST:
                    if (aspectRatio) {
                        if (range.x <= 0 && (left <= minLeft || bottom >= maxHeight)) {
                            renderable = false;
                            break;
                        }

                        check(ACTION_WEST);
                        width -= range.x;
                        left += range.x;
                        height = width / aspectRatio;
                    } else {
                        check(ACTION_SOUTH);
                        check(ACTION_WEST);

                        if (range.x <= 0) {
                            if (left > minLeft) {
                                width -= range.x;
                                left += range.x;
                            } else if (range.y >= 0 && bottom >= maxHeight) {
                                renderable = false;
                            }
                        } else {
                            width -= range.x;
                            left += range.x;
                        }

                        if (range.y >= 0) {
                            if (bottom < maxHeight) {
                                height += range.y;
                            }
                        } else {
                            height += range.y;
                        }
                    }

                    if (width < 0 && height < 0) {
                        action = ACTION_NORTH_EAST;
                        height = -height;
                        width = -width;
                        top -= height;
                        left -= width;
                    } else if (width < 0) {
                        action = ACTION_SOUTH_EAST;
                        width = -width;
                        left -= width;
                    } else if (height < 0) {
                        action = ACTION_NORTH_WEST;
                        height = -height;
                        top -= height;
                    }

                    break;

                case ACTION_SOUTH_EAST:
                    if (aspectRatio) {
                        if (range.x >= 0 && (right >= maxWidth || bottom >= maxHeight)) {
                            renderable = false;
                            break;
                        }

                        check(ACTION_EAST);
                        width += range.x;
                        height = width / aspectRatio;
                    } else {
                        check(ACTION_SOUTH);
                        check(ACTION_EAST);

                        if (range.x >= 0) {
                            if (right < maxWidth) {
                                width += range.x;
                            } else if (range.y >= 0 && bottom >= maxHeight) {
                                renderable = false;
                            }
                        } else {
                            width += range.x;
                        }

                        if (range.y >= 0) {
                            if (bottom < maxHeight) {
                                height += range.y;
                            }
                        } else {
                            height += range.y;
                        }
                    }

                    if (width < 0 && height < 0) {
                        action = ACTION_NORTH_WEST;
                        height = -height;
                        width = -width;
                        top -= height;
                        left -= width;
                    } else if (width < 0) {
                        action = ACTION_SOUTH_WEST;
                        width = -width;
                        left -= width;
                    } else if (height < 0) {
                        action = ACTION_NORTH_EAST;
                        height = -height;
                        top -= height;
                    }

                    break;
                // Move canvas

                case ACTION_MOVE:
                    this.move(range.x, range.y);
                    renderable = false;
                    break;
                // Zoom canvas

                case ACTION_ZOOM:
                    this.zoom(getMaxZoomRatio(pointers), event);
                    renderable = false;
                    break;
                // Create crop box

                case ACTION_CROP:
                    if (!range.x || !range.y) {
                        renderable = false;
                        break;
                    }

                    offset = getOffset(this.cropper);
                    left = pointer.startX - offset.left;
                    top = pointer.startY - offset.top;
                    width = cropBoxData.minWidth;
                    height = cropBoxData.minHeight;

                    if (range.x > 0) {
                        action = range.y > 0 ? ACTION_SOUTH_EAST : ACTION_NORTH_EAST;
                    } else if (range.x < 0) {
                        left -= width;
                        action = range.y > 0 ? ACTION_SOUTH_WEST : ACTION_NORTH_WEST;
                    }

                    if (range.y < 0) {
                        top -= height;
                    } // Show the crop box if is hidden


                    if (!this.cropped) {
                        removeClass(this.cropBox, CLASS_HIDDEN);
                        this.cropped = true;

                        if (this.limited) {
                            this.limitCropBox(true, true);
                        }
                    }

                    break;

                default:
            }

            if (renderable) {
                cropBoxData.width = width;
                cropBoxData.height = height;
                cropBoxData.left = left;
                cropBoxData.top = top;
                this.action = action;
                this.renderCropBox();
            } // Override


            forEach(pointers, function (p) {
                p.startX = p.endX;
                p.startY = p.endY;
            });
        }
    };

    var methods = {
        // Show the crop box manually
        crop: function crop() {
            if (this.ready && !this.cropped && !this.disabled) {
                this.cropped = true;
                this.limitCropBox(true, true);

                if (this.options.modal) {
                    addClass(this.dragBox, CLASS_MODAL);
                }

                removeClass(this.cropBox, CLASS_HIDDEN);
                this.setCropBoxData(this.initialCropBoxData);
            }

            return this;
        },
        // Reset the image and crop box to their initial states
        reset: function reset() {
            if (this.ready && !this.disabled) {
                this.imageData = assign({}, this.initialImageData);
                this.canvasData = assign({}, this.initialCanvasData);
                this.cropBoxData = assign({}, this.initialCropBoxData);
                this.renderCanvas();

                if (this.cropped) {
                    this.renderCropBox();
                }
            }

            return this;
        },
        // Clear the crop box
        clear: function clear() {
            if (this.cropped && !this.disabled) {
                assign(this.cropBoxData, {
                    left: 0,
                    top: 0,
                    width: 0,
                    height: 0
                });
                this.cropped = false;
                this.renderCropBox();
                this.limitCanvas(true, true); // Render canvas after crop box rendered

                this.renderCanvas();
                removeClass(this.dragBox, CLASS_MODAL);
                addClass(this.cropBox, CLASS_HIDDEN);
            }

            return this;
        },

        /**
         * Replace the image's src and rebuild the cropper
         * @param {string} url - The new URL.
         * @param {boolean} [hasSameSize] - Indicate if the new image has the same size as the old one.
         * @returns {Cropper} this
         */
        replace: function replace(url) {
            var hasSameSize = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : false;

            if (!this.disabled && url) {
                if (this.isImg) {
                    this.element.src = url;
                }

                if (hasSameSize) {
                    this.url = url;
                    this.image.src = url;

                    if (this.ready) {
                        this.viewBoxImage.src = url;
                        forEach(this.previews, function (element) {
                            element.getElementsByTagName('img')[0].src = url;
                        });
                    }
                } else {
                    if (this.isImg) {
                        this.replaced = true;
                    }

                    this.options.data = null;
                    this.uncreate();
                    this.load(url);
                }
            }

            return this;
        },
        // Enable (unfreeze) the cropper
        enable: function enable() {
            if (this.ready && this.disabled) {
                this.disabled = false;
                removeClass(this.cropper, CLASS_DISABLED);
            }

            return this;
        },
        // Disable (freeze) the cropper
        disable: function disable() {
            if (this.ready && !this.disabled) {
                this.disabled = true;
                addClass(this.cropper, CLASS_DISABLED);
            }

            return this;
        },

        /**
         * Destroy the cropper and remove the instance from the image
         * @returns {Cropper} this
         */
        destroy: function destroy() {
            var element = this.element;

            if (!element[NAMESPACE]) {
                return this;
            }

            element[NAMESPACE] = undefined;

            if (this.isImg && this.replaced) {
                element.src = this.originalUrl;
            }

            this.uncreate();
            return this;
        },

        /**
         * Move the canvas with relative offsets
         * @param {number} offsetX - The relative offset distance on the x-axis.
         * @param {number} [offsetY=offsetX] - The relative offset distance on the y-axis.
         * @returns {Cropper} this
         */
        move: function move(offsetX) {
            var offsetY = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : offsetX;
            var _this$canvasData = this.canvasData,
                left = _this$canvasData.left,
                top = _this$canvasData.top;
            return this.moveTo(isUndefined(offsetX) ? offsetX : left + Number(offsetX), isUndefined(offsetY) ? offsetY : top + Number(offsetY));
        },

        /**
         * Move the canvas to an absolute point
         * @param {number} x - The x-axis coordinate.
         * @param {number} [y=x] - The y-axis coordinate.
         * @returns {Cropper} this
         */
        moveTo: function moveTo(x) {
            var y = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : x;
            var canvasData = this.canvasData;
            var changed = false;
            x = Number(x);
            y = Number(y);

            if (this.ready && !this.disabled && this.options.movable) {
                if (isNumber(x)) {
                    canvasData.left = x;
                    changed = true;
                }

                if (isNumber(y)) {
                    canvasData.top = y;
                    changed = true;
                }

                if (changed) {
                    this.renderCanvas(true);
                }
            }

            return this;
        },

        /**
         * Zoom the canvas with a relative ratio
         * @param {number} ratio - The target ratio.
         * @param {Event} _originalEvent - The original event if any.
         * @returns {Cropper} this
         */
        zoom: function zoom(ratio, _originalEvent) {
            var canvasData = this.canvasData;
            ratio = Number(ratio);

            if (ratio < 0) {
                ratio = 1 / (1 - ratio);
            } else {
                ratio = 1 + ratio;
            }

            return this.zoomTo(canvasData.width * ratio / canvasData.naturalWidth, null, _originalEvent);
        },

        /**
         * Zoom the canvas to an absolute ratio
         * @param {number} ratio - The target ratio.
         * @param {Object} pivot - The zoom pivot point coordinate.
         * @param {Event} _originalEvent - The original event if any.
         * @returns {Cropper} this
         */
        zoomTo: function zoomTo(ratio, pivot, _originalEvent) {
            var options = this.options,
                canvasData = this.canvasData;
            var width = canvasData.width,
                height = canvasData.height,
                naturalWidth = canvasData.naturalWidth,
                naturalHeight = canvasData.naturalHeight;
            ratio = Number(ratio);

            if (ratio >= 0 && this.ready && !this.disabled && options.zoomable) {
                var newWidth = naturalWidth * ratio;
                var newHeight = naturalHeight * ratio;

                if (dispatchEvent(this.element, EVENT_ZOOM, {
                    ratio: ratio,
                    oldRatio: width / naturalWidth,
                    originalEvent: _originalEvent
                }) === false) {
                    return this;
                }

                if (_originalEvent) {
                    var pointers = this.pointers;
                    var offset = getOffset(this.cropper);
                    var center = pointers && Object.keys(pointers).length ? getPointersCenter(pointers) : {
                        pageX: _originalEvent.pageX,
                        pageY: _originalEvent.pageY
                    }; // Zoom from the triggering point of the event

                    canvasData.left -= (newWidth - width) * ((center.pageX - offset.left - canvasData.left) / width);
                    canvasData.top -= (newHeight - height) * ((center.pageY - offset.top - canvasData.top) / height);
                } else if (isPlainObject(pivot) && isNumber(pivot.x) && isNumber(pivot.y)) {
                    canvasData.left -= (newWidth - width) * ((pivot.x - canvasData.left) / width);
                    canvasData.top -= (newHeight - height) * ((pivot.y - canvasData.top) / height);
                } else {
                    // Zoom from the center of the canvas
                    canvasData.left -= (newWidth - width) / 2;
                    canvasData.top -= (newHeight - height) / 2;
                }

                canvasData.width = newWidth;
                canvasData.height = newHeight;
                this.renderCanvas(true);
            }

            return this;
        },

        /**
         * Rotate the canvas with a relative degree
         * @param {number} degree - The rotate degree.
         * @returns {Cropper} this
         */
        rotate: function rotate(degree) {
            return this.rotateTo((this.imageData.rotate || 0) + Number(degree));
        },

        /**
         * Rotate the canvas to an absolute degree
         * @param {number} degree - The rotate degree.
         * @returns {Cropper} this
         */
        rotateTo: function rotateTo(degree) {
            degree = Number(degree);

            if (isNumber(degree) && this.ready && !this.disabled && this.options.rotatable) {
                this.imageData.rotate = degree % 360;
                this.renderCanvas(true, true);
            }

            return this;
        },

        /**
         * Scale the image on the x-axis.
         * @param {number} scaleX - The scale ratio on the x-axis.
         * @returns {Cropper} this
         */
        scaleX: function scaleX(_scaleX) {
            var scaleY = this.imageData.scaleY;
            return this.scale(_scaleX, isNumber(scaleY) ? scaleY : 1);
        },

        /**
         * Scale the image on the y-axis.
         * @param {number} scaleY - The scale ratio on the y-axis.
         * @returns {Cropper} this
         */
        scaleY: function scaleY(_scaleY) {
            var scaleX = this.imageData.scaleX;
            return this.scale(isNumber(scaleX) ? scaleX : 1, _scaleY);
        },

        /**
         * Scale the image
         * @param {number} scaleX - The scale ratio on the x-axis.
         * @param {number} [scaleY=scaleX] - The scale ratio on the y-axis.
         * @returns {Cropper} this
         */
        scale: function scale(scaleX) {
            var scaleY = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : scaleX;
            var imageData = this.imageData;
            var transformed = false;
            scaleX = Number(scaleX);
            scaleY = Number(scaleY);

            if (this.ready && !this.disabled && this.options.scalable) {
                if (isNumber(scaleX)) {
                    imageData.scaleX = scaleX;
                    transformed = true;
                }

                if (isNumber(scaleY)) {
                    imageData.scaleY = scaleY;
                    transformed = true;
                }

                if (transformed) {
                    this.renderCanvas(true, true);
                }
            }

            return this;
        },

        /**
         * Get the cropped area position and size data (base on the original image)
         * @param {boolean} [rounded=false] - Indicate if round the data values or not.
         * @returns {Object} The result cropped data.
         */
        getData: function getData() {
            var rounded = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : false;
            var options = this.options,
                imageData = this.imageData,
                canvasData = this.canvasData,
                cropBoxData = this.cropBoxData;
            var data;

            if (this.ready && this.cropped) {
                data = {
                    x: cropBoxData.left - canvasData.left,
                    y: cropBoxData.top - canvasData.top,
                    width: cropBoxData.width,
                    height: cropBoxData.height
                };
                var ratio = imageData.width / imageData.naturalWidth;
                forEach(data, function (n, i) {
                    data[i] = n / ratio;
                });

                if (rounded) {
                    // In case rounding off leads to extra 1px in right or bottom border
                    // we should round the top-left corner and the dimension (#343).
                    var bottom = Math.round(data.y + data.height);
                    var right = Math.round(data.x + data.width);
                    data.x = Math.round(data.x);
                    data.y = Math.round(data.y);
                    data.width = right - data.x;
                    data.height = bottom - data.y;
                }
            } else {
                data = {
                    x: 0,
                    y: 0,
                    width: 0,
                    height: 0
                };
            }

            if (options.rotatable) {
                data.rotate = imageData.rotate || 0;
            }

            if (options.scalable) {
                data.scaleX = imageData.scaleX || 1;
                data.scaleY = imageData.scaleY || 1;
            }

            return data;
        },

        /**
         * Set the cropped area position and size with new data
         * @param {Object} data - The new data.
         * @returns {Cropper} this
         */
        setData: function setData(data) {
            var options = this.options,
                imageData = this.imageData,
                canvasData = this.canvasData;
            var cropBoxData = {};

            if (this.ready && !this.disabled && isPlainObject(data)) {
                var transformed = false;

                if (options.rotatable) {
                    if (isNumber(data.rotate) && data.rotate !== imageData.rotate) {
                        imageData.rotate = data.rotate;
                        transformed = true;
                    }
                }

                if (options.scalable) {
                    if (isNumber(data.scaleX) && data.scaleX !== imageData.scaleX) {
                        imageData.scaleX = data.scaleX;
                        transformed = true;
                    }

                    if (isNumber(data.scaleY) && data.scaleY !== imageData.scaleY) {
                        imageData.scaleY = data.scaleY;
                        transformed = true;
                    }
                }

                if (transformed) {
                    this.renderCanvas(true, true);
                }

                var ratio = imageData.width / imageData.naturalWidth;

                if (isNumber(data.x)) {
                    cropBoxData.left = data.x * ratio + canvasData.left;
                }

                if (isNumber(data.y)) {
                    cropBoxData.top = data.y * ratio + canvasData.top;
                }

                if (isNumber(data.width)) {
                    cropBoxData.width = data.width * ratio;
                }

                if (isNumber(data.height)) {
                    cropBoxData.height = data.height * ratio;
                }

                this.setCropBoxData(cropBoxData);
            }

            return this;
        },

        /**
         * Get the container size data.
         * @returns {Object} The result container data.
         */
        getContainerData: function getContainerData() {
            return this.ready ? assign({}, this.containerData) : {};
        },

        /**
         * Get the image position and size data.
         * @returns {Object} The result image data.
         */
        getImageData: function getImageData() {
            return this.sized ? assign({}, this.imageData) : {};
        },

        /**
         * Get the canvas position and size data.
         * @returns {Object} The result canvas data.
         */
        getCanvasData: function getCanvasData() {
            var canvasData = this.canvasData;
            var data = {};

            if (this.ready) {
                forEach(['left', 'top', 'width', 'height', 'naturalWidth', 'naturalHeight'], function (n) {
                    data[n] = canvasData[n];
                });
            }

            return data;
        },

        /**
         * Set the canvas position and size with new data.
         * @param {Object} data - The new canvas data.
         * @returns {Cropper} this
         */
        setCanvasData: function setCanvasData(data) {
            var canvasData = this.canvasData;
            var aspectRatio = canvasData.aspectRatio;

            if (this.ready && !this.disabled && isPlainObject(data)) {
                if (isNumber(data.left)) {
                    canvasData.left = data.left;
                }

                if (isNumber(data.top)) {
                    canvasData.top = data.top;
                }

                if (isNumber(data.width)) {
                    canvasData.width = data.width;
                    canvasData.height = data.width / aspectRatio;
                } else if (isNumber(data.height)) {
                    canvasData.height = data.height;
                    canvasData.width = data.height * aspectRatio;
                }

                this.renderCanvas(true);
            }

            return this;
        },

        /**
         * Get the crop box position and size data.
         * @returns {Object} The result crop box data.
         */
        getCropBoxData: function getCropBoxData() {
            var cropBoxData = this.cropBoxData;
            var data;

            if (this.ready && this.cropped) {
                data = {
                    left: cropBoxData.left,
                    top: cropBoxData.top,
                    width: cropBoxData.width,
                    height: cropBoxData.height
                };
            }

            return data || {};
        },

        /**
         * Set the crop box position and size with new data.
         * @param {Object} data - The new crop box data.
         * @returns {Cropper} this
         */
        setCropBoxData: function setCropBoxData(data) {
            var cropBoxData = this.cropBoxData;
            var aspectRatio = this.options.aspectRatio;
            var widthChanged;
            var heightChanged;

            if (this.ready && this.cropped && !this.disabled && isPlainObject(data)) {
                if (isNumber(data.left)) {
                    cropBoxData.left = data.left;
                }

                if (isNumber(data.top)) {
                    cropBoxData.top = data.top;
                }

                if (isNumber(data.width) && data.width !== cropBoxData.width) {
                    widthChanged = true;
                    cropBoxData.width = data.width;
                }

                if (isNumber(data.height) && data.height !== cropBoxData.height) {
                    heightChanged = true;
                    cropBoxData.height = data.height;
                }

                if (aspectRatio) {
                    if (widthChanged) {
                        cropBoxData.height = cropBoxData.width / aspectRatio;
                    } else if (heightChanged) {
                        cropBoxData.width = cropBoxData.height * aspectRatio;
                    }
                }

                this.renderCropBox();
            }

            return this;
        },

        /**
         * Get a canvas drawn the cropped image.
         * @param {Object} [options={}] - The config options.
         * @returns {HTMLCanvasElement} - The result canvas.
         */
        getCroppedCanvas: function getCroppedCanvas() {
            var options = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};

            if (!this.ready || !window.HTMLCanvasElement) {
                return null;
            }

            var canvasData = this.canvasData;
            var source = getSourceCanvas(this.image, this.imageData, canvasData, options); // Returns the source canvas if it is not cropped.

            if (!this.cropped) {
                return source;
            }

            var _this$getData = this.getData(),
                initialX = _this$getData.x,
                initialY = _this$getData.y,
                initialWidth = _this$getData.width,
                initialHeight = _this$getData.height;

            var ratio = source.width / Math.floor(canvasData.naturalWidth);

            if (ratio !== 1) {
                initialX *= ratio;
                initialY *= ratio;
                initialWidth *= ratio;
                initialHeight *= ratio;
            }

            var aspectRatio = initialWidth / initialHeight;
            var maxSizes = getAdjustedSizes({
                aspectRatio: aspectRatio,
                width: options.maxWidth || Infinity,
                height: options.maxHeight || Infinity
            });
            var minSizes = getAdjustedSizes({
                aspectRatio: aspectRatio,
                width: options.minWidth || 0,
                height: options.minHeight || 0
            }, 'cover');

            var _getAdjustedSizes = getAdjustedSizes({
                    aspectRatio: aspectRatio,
                    width: options.width || (ratio !== 1 ? source.width : initialWidth),
                    height: options.height || (ratio !== 1 ? source.height : initialHeight)
                }),
                width = _getAdjustedSizes.width,
                height = _getAdjustedSizes.height;

            width = Math.min(maxSizes.width, Math.max(minSizes.width, width));
            height = Math.min(maxSizes.height, Math.max(minSizes.height, height));
            var canvas = document.createElement('canvas');
            var context = canvas.getContext('2d');
            canvas.width = normalizeDecimalNumber(width);
            canvas.height = normalizeDecimalNumber(height);
            context.fillStyle = options.fillColor || 'transparent';
            context.fillRect(0, 0, width, height);
            var _options$imageSmoothi = options.imageSmoothingEnabled,
                imageSmoothingEnabled = _options$imageSmoothi === void 0 ? true : _options$imageSmoothi,
                imageSmoothingQuality = options.imageSmoothingQuality;
            context.imageSmoothingEnabled = imageSmoothingEnabled;

            if (imageSmoothingQuality) {
                context.imageSmoothingQuality = imageSmoothingQuality;
            } // https://developer.mozilla.org/en-US/docs/Web/API/CanvasRenderingContext2D.drawImage


            var sourceWidth = source.width;
            var sourceHeight = source.height; // Source canvas parameters

            var srcX = initialX;
            var srcY = initialY;
            var srcWidth;
            var srcHeight; // Destination canvas parameters

            var dstX;
            var dstY;
            var dstWidth;
            var dstHeight;

            if (srcX <= -initialWidth || srcX > sourceWidth) {
                srcX = 0;
                srcWidth = 0;
                dstX = 0;
                dstWidth = 0;
            } else if (srcX <= 0) {
                dstX = -srcX;
                srcX = 0;
                srcWidth = Math.min(sourceWidth, initialWidth + srcX);
                dstWidth = srcWidth;
            } else if (srcX <= sourceWidth) {
                dstX = 0;
                srcWidth = Math.min(initialWidth, sourceWidth - srcX);
                dstWidth = srcWidth;
            }

            if (srcWidth <= 0 || srcY <= -initialHeight || srcY > sourceHeight) {
                srcY = 0;
                srcHeight = 0;
                dstY = 0;
                dstHeight = 0;
            } else if (srcY <= 0) {
                dstY = -srcY;
                srcY = 0;
                srcHeight = Math.min(sourceHeight, initialHeight + srcY);
                dstHeight = srcHeight;
            } else if (srcY <= sourceHeight) {
                dstY = 0;
                srcHeight = Math.min(initialHeight, sourceHeight - srcY);
                dstHeight = srcHeight;
            }

            var params = [srcX, srcY, srcWidth, srcHeight]; // Avoid "IndexSizeError"

            if (dstWidth > 0 && dstHeight > 0) {
                var scale = width / initialWidth;
                params.push(dstX * scale, dstY * scale, dstWidth * scale, dstHeight * scale);
            } // All the numerical parameters should be integer for `drawImage`
            // https://github.com/fengyuanchen/cropper/issues/476


            context.drawImage.apply(context, [source].concat(_toConsumableArray(params.map(function (param) {
                return Math.floor(normalizeDecimalNumber(param));
            }))));
            return canvas;
        },

        /**
         * Change the aspect ratio of the crop box.
         * @param {number} aspectRatio - The new aspect ratio.
         * @returns {Cropper} this
         */
        setAspectRatio: function setAspectRatio(aspectRatio) {
            var options = this.options;

            if (!this.disabled && !isUndefined(aspectRatio)) {
                // 0 -> NaN
                options.aspectRatio = Math.max(0, aspectRatio) || NaN;

                if (this.ready) {
                    this.initCropBox();

                    if (this.cropped) {
                        this.renderCropBox();
                    }
                }
            }

            return this;
        },

        /**
         * Change the drag mode.
         * @param {string} mode - The new drag mode.
         * @returns {Cropper} this
         */
        setDragMode: function setDragMode(mode) {
            var options = this.options,
                dragBox = this.dragBox,
                face = this.face;

            if (this.ready && !this.disabled) {
                var croppable = mode === DRAG_MODE_CROP;
                var movable = options.movable && mode === DRAG_MODE_MOVE;
                mode = croppable || movable ? mode : DRAG_MODE_NONE;
                options.dragMode = mode;
                setData(dragBox, DATA_ACTION, mode);
                toggleClass(dragBox, CLASS_CROP, croppable);
                toggleClass(dragBox, CLASS_MOVE, movable);

                if (!options.cropBoxMovable) {
                    // Sync drag mode to crop box when it is not movable
                    setData(face, DATA_ACTION, mode);
                    toggleClass(face, CLASS_CROP, croppable);
                    toggleClass(face, CLASS_MOVE, movable);
                }
            }

            return this;
        }
    };

    var AnotherCropper = WINDOW.Cropper;

    var Cropper =
        /*#__PURE__*/
        function () {
            /**
             * Create a new Cropper.
             * @param {Element} element - The target element for cropping.
             * @param {Object} [options={}] - The configuration options.
             */
            function Cropper(element) {
                var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};

                _classCallCheck(this, Cropper);

                if (!element || !REGEXP_TAG_NAME.test(element.tagName)) {
                    throw new Error('The first argument is required and must be an <img> or <canvas> element.');
                }

                this.element = element;
                this.options = assign({}, DEFAULTS, isPlainObject(options) && options);
                this.cropped = false;
                this.disabled = false;
                this.pointers = {};
                this.ready = false;
                this.reloading = false;
                this.replaced = false;
                this.sized = false;
                this.sizing = false;
                this.init();
            }

            _createClass(Cropper, [{
                key: "init",
                value: function init() {
                    var element = this.element;
                    var tagName = element.tagName.toLowerCase();
                    var url;

                    if (element[NAMESPACE]) {
                        return;
                    }

                    element[NAMESPACE] = this;

                    if (tagName === 'img') {
                        this.isImg = true; // e.g.: "img/picture.jpg"

                        url = element.getAttribute('src') || '';
                        this.originalUrl = url; // Stop when it's a blank image

                        if (!url) {
                            return;
                        } // e.g.: "http://example.com/img/picture.jpg"


                        url = element.src;
                    } else if (tagName === 'canvas' && window.HTMLCanvasElement) {
                        url = element.toDataURL();
                    }

                    this.load(url);
                }
            }, {
                key: "load",
                value: function load(url) {
                    var _this = this;

                    if (!url) {
                        return;
                    }

                    this.url = url;
                    this.imageData = {};
                    var element = this.element,
                        options = this.options;

                    if (!options.rotatable && !options.scalable) {
                        options.checkOrientation = false;
                    } // Only IE10+ supports Typed Arrays


                    if (!options.checkOrientation || !window.ArrayBuffer) {
                        this.clone();
                        return;
                    } // Read ArrayBuffer from Data URL of JPEG images directly for better performance.


                    if (REGEXP_DATA_URL_JPEG.test(url)) {
                        this.read(dataURLToArrayBuffer(url));
                        return;
                    }

                    var xhr = new XMLHttpRequest();
                    var clone = this.clone.bind(this);
                    this.reloading = true;
                    this.xhr = xhr; // 1. Cross origin requests are only supported for protocol schemes:
                    // http, https, data, chrome, chrome-extension.
                    // 2. Access to XMLHttpRequest from a Data URL will be blocked by CORS policy
                    // in some browsers as IE11 and Safari.

                    xhr.onabort = clone;
                    xhr.onerror = clone;
                    xhr.ontimeout = clone;

                    xhr.onprogress = function () {
                        if (xhr.getResponseHeader('content-type') !== MIME_TYPE_JPEG) {
                            xhr.abort();
                        }
                    };

                    xhr.onload = function () {
                        _this.read(xhr.response);
                    };

                    xhr.onloadend = function () {
                        _this.reloading = false;
                        _this.xhr = null;
                    }; // Bust cache when there is a "crossOrigin" property to avoid browser cache error


                    if (options.checkCrossOrigin && isCrossOriginURL(url) && element.crossOrigin) {
                        url = addTimestamp(url);
                    }

                    xhr.open('GET', url);
                    xhr.responseType = 'arraybuffer';
                    xhr.withCredentials = element.crossOrigin === 'use-credentials';
                    xhr.send();
                }
            }, {
                key: "read",
                value: function read(arrayBuffer) {
                    var options = this.options,
                        imageData = this.imageData; // Reset the orientation value to its default value 1
                    // as some iOS browsers will render image with its orientation

                    var orientation = resetAndGetOrientation(arrayBuffer);
                    var rotate = 0;
                    var scaleX = 1;
                    var scaleY = 1;

                    if (orientation > 1) {
                        // Generate a new URL which has the default orientation value
                        this.url = arrayBufferToDataURL(arrayBuffer, MIME_TYPE_JPEG);

                        var _parseOrientation = parseOrientation(orientation);

                        rotate = _parseOrientation.rotate;
                        scaleX = _parseOrientation.scaleX;
                        scaleY = _parseOrientation.scaleY;
                    }

                    if (options.rotatable) {
                        imageData.rotate = rotate;
                    }

                    if (options.scalable) {
                        imageData.scaleX = scaleX;
                        imageData.scaleY = scaleY;
                    }

                    this.clone();
                }
            }, {
                key: "clone",
                value: function clone() {
                    var element = this.element,
                        url = this.url;
                    var crossOrigin;
                    var crossOriginUrl;

                    if (this.options.checkCrossOrigin && isCrossOriginURL(url)) {
                        crossOrigin = element.crossOrigin;

                        if (crossOrigin) {
                            crossOriginUrl = url;
                        } else {
                            crossOrigin = 'anonymous'; // Bust cache when there is not a "crossOrigin" property

                            crossOriginUrl = addTimestamp(url);
                        }
                    }

                    this.crossOrigin = crossOrigin;
                    this.crossOriginUrl = crossOriginUrl;
                    var image = document.createElement('img');

                    if (crossOrigin) {
                        image.crossOrigin = crossOrigin;
                    }

                    image.src = crossOriginUrl || url;
                    this.image = image;
                    image.onload = this.start.bind(this);
                    image.onerror = this.stop.bind(this);
                    addClass(image, CLASS_HIDE);
                    element.parentNode.insertBefore(image, element.nextSibling);
                }
            }, {
                key: "start",
                value: function start() {
                    var _this2 = this;

                    var image = this.isImg ? this.element : this.image;
                    image.onload = null;
                    image.onerror = null;
                    this.sizing = true;
                    var IS_SAFARI = WINDOW.navigator && /^(?:.(?!chrome|android))*safari/i.test(WINDOW.navigator.userAgent);

                    var done = function done(naturalWidth, naturalHeight) {
                        assign(_this2.imageData, {
                            naturalWidth: naturalWidth,
                            naturalHeight: naturalHeight,
                            aspectRatio: naturalWidth / naturalHeight
                        });
                        _this2.sizing = false;
                        _this2.sized = true;

                        _this2.build();
                    }; // Modern browsers (except Safari)


                    if (image.naturalWidth && !IS_SAFARI) {
                        done(image.naturalWidth, image.naturalHeight);
                        return;
                    }

                    var sizingImage = document.createElement('img');
                    var body = document.body || document.documentElement;
                    this.sizingImage = sizingImage;

                    sizingImage.onload = function () {
                        done(sizingImage.width, sizingImage.height);

                        if (!IS_SAFARI) {
                            body.removeChild(sizingImage);
                        }
                    };

                    sizingImage.src = image.src; // iOS Safari will convert the image automatically
                    // with its orientation once append it into DOM (#279)

                    if (!IS_SAFARI) {
                        sizingImage.style.cssText = 'left:0;' + 'max-height:none!important;' + 'max-width:none!important;' + 'min-height:0!important;' + 'min-width:0!important;' + 'opacity:0;' + 'position:absolute;' + 'top:0;' + 'z-index:-1;';
                        body.appendChild(sizingImage);
                    }
                }
            }, {
                key: "stop",
                value: function stop() {
                    var image = this.image;
                    image.onload = null;
                    image.onerror = null;
                    image.parentNode.removeChild(image);
                    this.image = null;
                }
            }, {
                key: "build",
                value: function build() {
                    if (!this.sized || this.ready) {
                        return;
                    }

                    var element = this.element,
                        options = this.options,
                        image = this.image; // Create cropper elements

                    var container = element.parentNode;
                    var template = document.createElement('div');
                    template.innerHTML = TEMPLATE;
                    var cropper = template.querySelector(".".concat(NAMESPACE, "-container"));
                    var canvas = cropper.querySelector(".".concat(NAMESPACE, "-canvas"));
                    var dragBox = cropper.querySelector(".".concat(NAMESPACE, "-drag-box"));
                    var cropBox = cropper.querySelector(".".concat(NAMESPACE, "-crop-box"));
                    var face = cropBox.querySelector(".".concat(NAMESPACE, "-face"));
                    this.container = container;
                    this.cropper = cropper;
                    this.canvas = canvas;
                    this.dragBox = dragBox;
                    this.cropBox = cropBox;
                    this.viewBox = cropper.querySelector(".".concat(NAMESPACE, "-view-box"));
                    this.face = face;
                    canvas.appendChild(image); // Hide the original image

                    addClass(element, CLASS_HIDDEN); // Inserts the cropper after to the current image

                    container.insertBefore(cropper, element.nextSibling); // Show the image if is hidden

                    if (!this.isImg) {
                        removeClass(image, CLASS_HIDE);
                    }

                    this.initPreview();
                    this.bind();
                    options.initialAspectRatio = Math.max(0, options.initialAspectRatio) || NaN;
                    options.aspectRatio = Math.max(0, options.aspectRatio) || NaN;
                    options.viewMode = Math.max(0, Math.min(3, Math.round(options.viewMode))) || 0;
                    addClass(cropBox, CLASS_HIDDEN);

                    if (!options.guides) {
                        addClass(cropBox.getElementsByClassName("".concat(NAMESPACE, "-dashed")), CLASS_HIDDEN);
                    }

                    if (!options.center) {
                        addClass(cropBox.getElementsByClassName("".concat(NAMESPACE, "-center")), CLASS_HIDDEN);
                    }

                    if (options.background) {
                        addClass(cropper, "".concat(NAMESPACE, "-bg"));
                    }

                    if (!options.highlight) {
                        addClass(face, CLASS_INVISIBLE);
                    }

                    if (options.cropBoxMovable) {
                        addClass(face, CLASS_MOVE);
                        setData(face, DATA_ACTION, ACTION_ALL);
                    }

                    if (!options.cropBoxResizable) {
                        addClass(cropBox.getElementsByClassName("".concat(NAMESPACE, "-line")), CLASS_HIDDEN);
                        addClass(cropBox.getElementsByClassName("".concat(NAMESPACE, "-point")), CLASS_HIDDEN);
                    }

                    this.render();
                    this.ready = true;
                    this.setDragMode(options.dragMode);

                    if (options.autoCrop) {
                        this.crop();
                    }

                    this.setData(options.data);

                    if (isFunction(options.ready)) {
                        addListener(element, EVENT_READY, options.ready, {
                            once: true
                        });
                    }

                    dispatchEvent(element, EVENT_READY);
                }
            }, {
                key: "unbuild",
                value: function unbuild() {
                    if (!this.ready) {
                        return;
                    }

                    this.ready = false;
                    this.unbind();
                    this.resetPreview();
                    this.cropper.parentNode.removeChild(this.cropper);
                    removeClass(this.element, CLASS_HIDDEN);
                }
            }, {
                key: "uncreate",
                value: function uncreate() {
                    if (this.ready) {
                        this.unbuild();
                        this.ready = false;
                        this.cropped = false;
                    } else if (this.sizing) {
                        this.sizingImage.onload = null;
                        this.sizing = false;
                        this.sized = false;
                    } else if (this.reloading) {
                        this.xhr.onabort = null;
                        this.xhr.abort();
                    } else if (this.image) {
                        this.stop();
                    }
                }
                /**
                 * Get the no conflict cropper class.
                 * @returns {Cropper} The cropper class.
                 */

            }], [{
                key: "noConflict",
                value: function noConflict() {
                    window.Cropper = AnotherCropper;
                    return Cropper;
                }
                /**
                 * Change the default options.
                 * @param {Object} options - The new default options.
                 */

            }, {
                key: "setDefaults",
                value: function setDefaults(options) {
                    assign(DEFAULTS, isPlainObject(options) && options);
                }
            }]);

            return Cropper;
        }();

    assign(Cropper.prototype, render, preview, events, handlers, change, methods);

    return Cropper;

}));

/*!
 * Name: vue-upload-component
 * Version: 2.8.20
 * Author: LianYue
 */
(function (global, factory) {
  typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() :
  typeof define === 'function' && define.amd ? define(factory) :
  (global.VueUploadComponent = factory());
}(this, (function () { 'use strict';

  /**
   * Creates a XHR request
   *
   * @param {Object} options
   */
  var createRequest = function createRequest(options) {
    var xhr = new XMLHttpRequest();
    xhr.open(options.method || 'GET', options.url);
    xhr.responseType = 'json';
    if (options.headers) {
      Object.keys(options.headers).forEach(function (key) {
        xhr.setRequestHeader(key, options.headers[key]);
      });
    }

    return xhr;
  };

  /**
   * Sends a XHR request with certain body
   *
   * @param {XMLHttpRequest} xhr
   * @param {Object} body
   */
  var sendRequest = function sendRequest(xhr, body) {
    return new Promise(function (resolve, reject) {
      xhr.onload = function () {
        if (xhr.status >= 200 && xhr.status < 300) {
          var response;
          try {
            response = JSON.parse(xhr.response);
          } catch (err) {
            response = xhr.response;
          }
          resolve(response);
        } else {
          reject(xhr.response);
        }
      };
      xhr.onerror = function () {
        return reject(xhr.response);
      };
      xhr.send(JSON.stringify(body));
    });
  };

  /**
   * Sends a XHR request with certain form data
   *
   * @param {XMLHttpRequest} xhr
   * @param {Object} data
   */
  var sendFormRequest = function sendFormRequest(xhr, data) {
    var body = new FormData();
    for (var name in data) {
      body.append(name, data[name]);
    }

    return new Promise(function (resolve, reject) {
      xhr.onload = function () {
        if (xhr.status >= 200 && xhr.status < 300) {
          var response;
          try {
            response = JSON.parse(xhr.response);
          } catch (err) {
            response = xhr.response;
          }
          resolve(response);
        } else {
          reject(xhr.response);
        }
      };
      xhr.onerror = function () {
        return reject(xhr.response);
      };
      xhr.send(body);
    });
  };

  /**
   * Creates and sends XHR request
   *
   * @param {Object} options
   *
   * @returns Promise
   */
  function request (options) {
    var xhr = createRequest(options);

    return sendRequest(xhr, options.body);
  }

  var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();

  function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }

  var ChunkUploadHandler = function () {
    /**
     * Constructor
     *
     * @param {File} file
     * @param {Object} options
     */
    function ChunkUploadHandler(file, options) {
      _classCallCheck(this, ChunkUploadHandler);

      this.file = file;
      this.options = options;
    }

    /**
     * Gets the max retries from options
     */


    _createClass(ChunkUploadHandler, [{
      key: 'createChunks',


      /**
       * Creates all the chunks in the initial state
       */
      value: function createChunks() {
        this.chunks = [];

        var start = 0;
        var end = this.chunkSize;
        while (start < this.fileSize) {
          this.chunks.push({
            blob: this.file.file.slice(start, end),
            startOffset: start,
            active: false,
            retries: this.maxRetries
          });
          start = end;
          end = start + this.chunkSize;
        }
      }

      /**
       * Updates the progress of the file with the handler's progress
       */

    }, {
      key: 'updateFileProgress',
      value: function updateFileProgress() {
        this.file.progress = this.progress;
      }

      /**
       * Paues the upload process
       * - Stops all active requests
       * - Sets the file not active
       */

    }, {
      key: 'pause',
      value: function pause() {
        this.file.active = false;
        this.stopChunks();
      }

      /**
       * Stops all the current chunks
       */

    }, {
      key: 'stopChunks',
      value: function stopChunks() {
        this.chunksUploading.forEach(function (chunk) {
          chunk.xhr.abort();
          chunk.active = false;
        });
      }

      /**
       * Resumes the file upload
       * - Sets the file active
       * - Starts the following chunks
       */

    }, {
      key: 'resume',
      value: function resume() {
        this.file.active = true;
        this.startChunking();
      }

      /**
       * Starts the file upload
       *
       * @returns Promise
       * - resolve  The file was uploaded
       * - reject   The file upload failed
       */

    }, {
      key: 'upload',
      value: function upload() {
        var _this = this;

        this.promise = new Promise(function (resolve, reject) {
          _this.resolve = resolve;
          _this.reject = reject;
        });
        this.start();

        return this.promise;
      }

      /**
       * Start phase
       * Sends a request to the backend to initialise the chunks
       */

    }, {
      key: 'start',
      value: function start() {
        var _this2 = this;

        request({
          method: 'POST',
          headers: Object.assign({}, this.headers, {
            'Content-Type': 'application/json'
          }),
          url: this.action,
          body: Object.assign(this.startBody, {
            phase: 'start',
            mime_type: this.fileType,
            size: this.fileSize,
            name: this.fileName
          })
        }).then(function (res) {
          if (res.status !== 'success') {
            _this2.file.response = res;
            return _this2.reject('server');
          }

          _this2.sessionId = res.data.session_id;
          _this2.chunkSize = res.data.end_offset;

          _this2.createChunks();
          _this2.startChunking();
        }).catch(function (res) {
          _this2.file.response = res;
          _this2.reject('server');
        });
      }

      /**
       * Starts to upload chunks
       */

    }, {
      key: 'startChunking',
      value: function startChunking() {
        for (var i = 0; i < this.maxActiveChunks; i++) {
          this.uploadNextChunk();
        }
      }

      /**
       * Uploads the next chunk
       * - Won't do anything if the process is paused
       * - Will start finish phase if there are no more chunks to upload
       */

    }, {
      key: 'uploadNextChunk',
      value: function uploadNextChunk() {
        if (this.file.active) {
          if (this.hasChunksToUpload) {
            return this.uploadChunk(this.chunksToUpload[0]);
          }

          if (this.chunksUploading.length === 0) {
            return this.finish();
          }
        }
      }

      /**
       * Uploads a chunk
       * - Sends the chunk to the backend
       * - Sets the chunk as uploaded if everything went well
       * - Decreases the number of retries if anything went wrong
       * - Fails if there are no more retries
       *
       * @param {Object} chunk
       */

    }, {
      key: 'uploadChunk',
      value: function uploadChunk(chunk) {
        var _this3 = this;

        chunk.progress = 0;
        chunk.active = true;
        this.updateFileProgress();
        chunk.xhr = createRequest({
          method: 'POST',
          headers: this.headers,
          url: this.action
        });

        chunk.xhr.upload.addEventListener('progress', function (evt) {
          if (evt.lengthComputable) {
            chunk.progress = Math.round(evt.loaded / evt.total * 100);
          }
        }, false);

        sendFormRequest(chunk.xhr, Object.assign(this.uploadBody, {
          phase: 'upload',
          session_id: this.sessionId,
          start_offset: chunk.startOffset,
          chunk: chunk.blob
        })).then(function (res) {
          chunk.active = false;
          if (res.status === 'success') {
            chunk.uploaded = true;
          } else {
            if (chunk.retries-- <= 0) {
              _this3.stopChunks();
              return _this3.reject('upload');
            }
          }

          _this3.uploadNextChunk();
        }).catch(function () {
          chunk.active = false;
          if (chunk.retries-- <= 0) {
            _this3.stopChunks();
            return _this3.reject('upload');
          }

          _this3.uploadNextChunk();
        });
      }

      /**
       * Finish phase
       * Sends a request to the backend to finish the process
       */

    }, {
      key: 'finish',
      value: function finish() {
        var _this4 = this;

        this.updateFileProgress();

        request({
          method: 'POST',
          headers: Object.assign({}, this.headers, {
            'Content-Type': 'application/json'
          }),
          url: this.action,
          body: Object.assign(this.finishBody, {
            phase: 'finish',
            session_id: this.sessionId
          })
        }).then(function (res) {
          _this4.file.response = res;
          if (res.status !== 'success') {
            return _this4.reject('server');
          }

          _this4.resolve(res);
        }).catch(function (res) {
          _this4.file.response = res;
          _this4.reject('server');
        });
      }
    }, {
      key: 'maxRetries',
      get: function get() {
        return parseInt(this.options.maxRetries);
      }

      /**
       * Gets the max number of active chunks being uploaded at once from options
       */

    }, {
      key: 'maxActiveChunks',
      get: function get() {
        return parseInt(this.options.maxActive);
      }

      /**
       * Gets the file type
       */

    }, {
      key: 'fileType',
      get: function get() {
        return this.file.type;
      }

      /**
       * Gets the file size
       */

    }, {
      key: 'fileSize',
      get: function get() {
        return this.file.size;
      }

      /**
       * Gets the file name
       */

    }, {
      key: 'fileName',
      get: function get() {
        return this.file.name;
      }

      /**
       * Gets action (url) to upload the file
       */

    }, {
      key: 'action',
      get: function get() {
        return this.options.action || null;
      }

      /**
       * Gets the body to be merged when sending the request in start phase
       */

    }, {
      key: 'startBody',
      get: function get() {
        return this.options.startBody || {};
      }

      /**
       * Gets the body to be merged when sending the request in upload phase
       */

    }, {
      key: 'uploadBody',
      get: function get() {
        return this.options.uploadBody || {};
      }

      /**
       * Gets the body to be merged when sending the request in finish phase
       */

    }, {
      key: 'finishBody',
      get: function get() {
        return this.options.finishBody || {};
      }

      /**
       * Gets the headers of the requests from options
       */

    }, {
      key: 'headers',
      get: function get() {
        return this.options.headers || {};
      }

      /**
       * Whether it's ready to upload files or not
       */

    }, {
      key: 'readyToUpload',
      get: function get() {
        return !!this.chunks;
      }

      /**
       * Gets the progress of the chunk upload
       * - Gets all the completed chunks
       * - Gets the progress of all the chunks that are being uploaded
       */

    }, {
      key: 'progress',
      get: function get() {
        var _this5 = this;

        var completedProgress = this.chunksUploaded.length / this.chunks.length * 100;
        var uploadingProgress = this.chunksUploading.reduce(function (progress, chunk) {
          return progress + (chunk.progress | 0) / _this5.chunks.length;
        }, 0);

        return Math.min(completedProgress + uploadingProgress, 100);
      }

      /**
       * Gets all the chunks that are pending to be uploaded
       */

    }, {
      key: 'chunksToUpload',
      get: function get() {
        return this.chunks.filter(function (chunk) {
          return !chunk.active && !chunk.uploaded;
        });
      }

      /**
       * Whether there are chunks to upload or not
       */

    }, {
      key: 'hasChunksToUpload',
      get: function get() {
        return this.chunksToUpload.length > 0;
      }

      /**
       * Gets all the chunks that are uploading
       */

    }, {
      key: 'chunksUploading',
      get: function get() {
        return this.chunks.filter(function (chunk) {
          return !!chunk.xhr && !!chunk.active;
        });
      }

      /**
       * Gets all the chunks that have finished uploading
       */

    }, {
      key: 'chunksUploaded',
      get: function get() {
        return this.chunks.filter(function (chunk) {
          return !!chunk.uploaded;
        });
      }
    }]);

    return ChunkUploadHandler;
  }();

  //
  //
  //
  //
  //
  //
  //
  //
  //
  //
  //
  //
  //
  //

  var script = {
    methods: {
      change: function change(e) {
        this.$parent.addInputFile(e.target);
        if (e.target.files) {
          e.target.value = '';
          if (e.target.files.length && !/safari/i.test(navigator.userAgent)) {
            e.target.type = '';
            e.target.type = 'file';
          }
        } else {
          // ie9 fix #219
          this.$destroy();
          // eslint-disable-next-line
          new this.constructor({
            parent: this.$parent,
            el: this.$el
          });
        }
      }
    }
  };

  /* script */
  var __vue_script__ = script;

  /* template */
  var __vue_render__ = function __vue_render__() {
    var _vm = this;var _h = _vm.$createElement;var _c = _vm._self._c || _h;return _c('input', { attrs: { "type": "file", "name": _vm.$parent.name, "id": _vm.$parent.inputId || _vm.$parent.name, "accept": _vm.$parent.accept, "capture": _vm.$parent.capture, "disabled": _vm.$parent.disabled, "webkitdirectory": _vm.$parent.directory && _vm.$parent.features.directory, "directory": _vm.$parent.directory && _vm.$parent.features.directory, "multiple": _vm.$parent.multiple && _vm.$parent.features.html5 }, on: { "change": _vm.change } });
  };
  var __vue_staticRenderFns__ = [];

  /* style */
  var __vue_inject_styles__ = undefined;
  /* scoped */
  var __vue_scope_id__ = undefined;
  /* module identifier */
  var __vue_module_identifier__ = undefined;
  /* functional template */
  var __vue_is_functional_template__ = false;
  /* component normalizer */
  function __vue_normalize__(template, style, script$$1, scope, functional, moduleIdentifier, createInjector, createInjectorSSR) {
    var component = (typeof script$$1 === 'function' ? script$$1.options : script$$1) || {};

    if (!component.render) {
      component.render = template.render;
      component.staticRenderFns = template.staticRenderFns;
      component._compiled = true;

      if (functional) component.functional = true;
    }

    component._scopeId = scope;

    return component;
  }
  /* style inject */
  function __vue_create_injector__() {
    var head = document.head || document.getElementsByTagName('head')[0];
    var styles = __vue_create_injector__.styles || (__vue_create_injector__.styles = {});
    var isOldIE = typeof navigator !== 'undefined' && /msie [6-9]\\b/.test(navigator.userAgent.toLowerCase());

    return function addStyle(id, css) {
      if (document.querySelector('style[data-vue-ssr-id~="' + id + '"]')) return; // SSR styles are present.

      var group = isOldIE ? css.media || 'default' : id;
      var style = styles[group] || (styles[group] = { ids: [], parts: [], element: undefined });

      if (!style.ids.includes(id)) {
        var code = css.source;
        var index = style.ids.length;

        style.ids.push(id);

        if (css.map) {
          // https://developer.chrome.com/devtools/docs/javascript-debugging
          // this makes source maps inside style tags work properly in Chrome
          code += '\n/*# sourceURL=' + css.map.sources[0] + ' */';
          // http://stackoverflow.com/a/26603875
          code += '\n/*# sourceMappingURL=data:application/json;base64,' + btoa(unescape(encodeURIComponent(JSON.stringify(css.map)))) + ' */';
        }

        if (isOldIE) {
          style.element = style.element || document.querySelector('style[data-group=' + group + ']');
        }

        if (!style.element) {
          var el = style.element = document.createElement('style');
          el.type = 'text/css';

          if (css.media) el.setAttribute('media', css.media);
          if (isOldIE) {
            el.setAttribute('data-group', group);
            el.setAttribute('data-next-index', '0');
          }

          head.appendChild(el);
        }

        if (isOldIE) {
          index = parseInt(style.element.getAttribute('data-next-index'));
          style.element.setAttribute('data-next-index', index + 1);
        }

        if (style.element.styleSheet) {
          style.parts.push(code);
          style.element.styleSheet.cssText = style.parts.filter(Boolean).join('\n');
        } else {
          var textNode = document.createTextNode(code);
          var nodes = style.element.childNodes;
          if (nodes[index]) style.element.removeChild(nodes[index]);
          if (nodes.length) style.element.insertBefore(textNode, nodes[index]);else style.element.appendChild(textNode);
        }
      }
    };
  }
  /* style inject SSR */

  var InputFile = __vue_normalize__({ render: __vue_render__, staticRenderFns: __vue_staticRenderFns__ }, __vue_inject_styles__, __vue_script__, __vue_scope_id__, __vue_is_functional_template__, __vue_module_identifier__, __vue_create_injector__, undefined);

  var _extends = Object.assign || function (target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i]; for (var key in source) { if (Object.prototype.hasOwnProperty.call(source, key)) { target[key] = source[key]; } } } return target; };

  var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; };

  function _toConsumableArray(arr) { if (Array.isArray(arr)) { for (var i = 0, arr2 = Array(arr.length); i < arr.length; i++) { arr2[i] = arr[i]; } return arr2; } else { return Array.from(arr); } }

  var CHUNK_DEFAULT_OPTIONS = {
    headers: {},
    action: '',
    minSize: 1048576,
    maxActive: 3,
    maxRetries: 5,

    handler: ChunkUploadHandler
  };

  var script$1 = {
    components: {
      InputFile: InputFile
    },
    props: {
      inputId: {
        type: String
      },

      name: {
        type: String,
        default: 'file'
      },

      accept: {
        type: String
      },

      capture: {},

      disabled: {},

      multiple: {
        type: Boolean
      },

      maximum: {
        type: Number,
        default: function _default() {
          return this.multiple ? 0 : 1;
        }
      },

      addIndex: {
        type: [Boolean, Number]
      },

      directory: {
        type: Boolean
      },

      postAction: {
        type: String
      },

      putAction: {
        type: String
      },

      customAction: {
        type: Function
      },

      headers: {
        type: Object,
        default: Object
      },

      data: {
        type: Object,
        default: Object
      },

      timeout: {
        type: Number,
        default: 0
      },

      drop: {
        default: false
      },

      dropDirectory: {
        type: Boolean,
        default: true
      },

      size: {
        type: Number,
        default: 0
      },

      extensions: {
        default: Array
      },

      value: {
        type: Array,
        default: Array
      },

      thread: {
        type: Number,
        default: 1
      },

      // Chunk upload enabled
      chunkEnabled: {
        type: Boolean,
        default: false
      },

      // Chunk upload properties
      chunk: {
        type: Object,
        default: function _default() {
          return CHUNK_DEFAULT_OPTIONS;
        }
      }
    },

    data: function data() {
      return {
        files: this.value,
        features: {
          html5: true,
          directory: false,
          drag: false
        },

        active: false,
        dropActive: false,

        uploading: 0,

        destroy: false
      };
    },


    /**
     * mounted
     * @return {[type]} [description]
     */
    mounted: function mounted() {
      var input = document.createElement('input');
      input.type = 'file';
      input.multiple = true;

      // html5 特征
      if (window.FormData && input.files) {
        // 上传目录特征
        if (typeof input.webkitdirectory === 'boolean' || typeof input.directory === 'boolean') {
          this.features.directory = true;
        }

        // 拖拽特征
        if (this.features.html5 && typeof input.ondrop !== 'undefined') {
          this.features.drop = true;
        }
      } else {
        this.features.html5 = false;
      }

      // files 定位缓存
      this.maps = {};
      if (this.files) {
        for (var i = 0; i < this.files.length; i++) {
          var file = this.files[i];
          this.maps[file.id] = file;
        }
      }

      this.$nextTick(function () {

        // 更新下父级
        if (this.$parent) {
          this.$parent.$forceUpdate();
        }

        // 拖拽渲染
        this.watchDrop(this.drop);
      });
    },


    /**
     * beforeDestroy
     * @return {[type]} [description]
     */
    beforeDestroy: function beforeDestroy() {
      // 已销毁
      this.destroy = true;

      // 设置成不激活
      this.active = false;
    },


    computed: {
      /**
       * uploading 正在上传的线程
       * @return {[type]} [description]
       */

      /**
       * uploaded 文件列表是否全部已上传
       * @return {[type]} [description]
       */
      uploaded: function uploaded() {
        var file = void 0;
        for (var i = 0; i < this.files.length; i++) {
          file = this.files[i];
          if (file.fileObject && !file.error && !file.success) {
            return false;
          }
        }
        return true;
      },
      chunkOptions: function chunkOptions() {
        return Object.assign(CHUNK_DEFAULT_OPTIONS, this.chunk);
      },
      className: function className() {
        return ['file-uploads', this.features.html5 ? 'file-uploads-html5' : 'file-uploads-html4', this.features.directory && this.directory ? 'file-uploads-directory' : undefined, this.features.drop && this.drop ? 'file-uploads-drop' : undefined, this.disabled ? 'file-uploads-disabled' : undefined];
      }
    },

    watch: {
      active: function active(_active) {
        this.watchActive(_active);
      },
      dropActive: function dropActive() {
        if (this.$parent) {
          this.$parent.$forceUpdate();
        }
      },
      drop: function drop(value) {
        this.watchDrop(value);
      },
      value: function value(files) {
        if (this.files === files) {
          return;
        }
        this.files = files;

        var oldMaps = this.maps;

        // 重写 maps 缓存
        this.maps = {};
        for (var i = 0; i < this.files.length; i++) {
          var file = this.files[i];
          this.maps[file.id] = file;
        }

        // add, update
        for (var key in this.maps) {
          var newFile = this.maps[key];
          var oldFile = oldMaps[key];
          if (newFile !== oldFile) {
            this.emitFile(newFile, oldFile);
          }
        }

        // delete
        for (var _key in oldMaps) {
          if (!this.maps[_key]) {
            this.emitFile(undefined, oldMaps[_key]);
          }
        }
      }
    },

    methods: {

      // 清空
      clear: function clear() {
        if (this.files.length) {
          var files = this.files;
          this.files = [];

          // 定位
          this.maps = {};

          // 事件
          this.emitInput();
          for (var i = 0; i < files.length; i++) {
            this.emitFile(undefined, files[i]);
          }
        }
        return true;
      },


      // 选择
      get: function get(id) {
        if (!id) {
          return false;
        }

        if ((typeof id === 'undefined' ? 'undefined' : _typeof(id)) === 'object') {
          return this.maps[id.id] || false;
        }

        return this.maps[id] || false;
      },


      // 添加
      add: function add(_files) {
        var index = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : this.addIndex;

        var files = _files;
        var isArray = files instanceof Array;

        // 不是数组整理成数组
        if (!isArray) {
          files = [files];
        }

        // 遍历规范对象
        var addFiles = [];
        for (var i = 0; i < files.length; i++) {
          var file = files[i];
          if (this.features.html5 && file instanceof Blob) {
            file = {
              file: file,
              size: file.size,
              name: file.webkitRelativePath || file.relativePath || file.name || 'unknown',
              type: file.type
            };
          }
          var fileObject = false;
          if (file.fileObject === false) ; else if (file.fileObject) {
            fileObject = true;
          } else if (typeof Element !== 'undefined' && file.el instanceof Element) {
            fileObject = true;
          } else if (typeof Blob !== 'undefined' && file.file instanceof Blob) {
            fileObject = true;
          }
          if (fileObject) {
            file = _extends({
              fileObject: true,
              size: -1,
              name: 'Filename',
              type: '',
              active: false,
              error: '',
              success: false,
              putAction: this.putAction,
              postAction: this.postAction,
              timeout: this.timeout
            }, file, {
              response: {},

              progress: '0.00', // 只读
              speed: 0 // 只读
              // xhr: false,                // 只读
              // iframe: false,             // 只读
            });

            file.data = _extends({}, this.data, file.data ? file.data : {});

            file.headers = _extends({}, this.headers, file.headers ? file.headers : {});
          }

          // 必须包含 id
          if (!file.id) {
            file.id = Math.random().toString(36).substr(2);
          }

          if (this.emitFilter(file, undefined)) {
            continue;
          }

          // 最大数量限制
          if (this.maximum > 1 && addFiles.length + this.files.length >= this.maximum) {
            break;
          }

          addFiles.push(file);

          // 最大数量限制
          if (this.maximum === 1) {
            break;
          }
        }

        // 没有文件
        if (!addFiles.length) {
          return false;
        }

        // 如果是 1 清空
        if (this.maximum === 1) {
          this.clear();
        }

        // 添加进去 files
        var newFiles = void 0;
        if (index === true || index === 0) {
          newFiles = addFiles.concat(this.files);
        } else if (index) {
          var _newFiles;

          newFiles = this.files.concat([]);
          (_newFiles = newFiles).splice.apply(_newFiles, [index, 0].concat(addFiles));
        } else {
          newFiles = this.files.concat(addFiles);
        }

        this.files = newFiles;

        // 定位
        for (var _i = 0; _i < addFiles.length; _i++) {
          var _file2 = addFiles[_i];
          this.maps[_file2.id] = _file2;
        }

        // 事件
        this.emitInput();
        for (var _i2 = 0; _i2 < addFiles.length; _i2++) {
          this.emitFile(addFiles[_i2], undefined);
        }

        return isArray ? addFiles : addFiles[0];
      },


      // 添加表单文件
      addInputFile: function addInputFile(el) {
        var files = [];
        if (el.files) {
          for (var i = 0; i < el.files.length; i++) {
            var file = el.files[i];
            files.push({
              size: file.size,
              name: file.webkitRelativePath || file.relativePath || file.name,
              type: file.type,
              file: file
            });
          }
        } else {
          var names = el.value.replace(/\\/g, '/').split('/');
          delete el.__vuex__;
          files.push({
            name: names[names.length - 1],
            el: el
          });
        }
        return this.add(files);
      },


      // 添加 DataTransfer
      addDataTransfer: function addDataTransfer(dataTransfer) {
        var _this = this;

        var files = [];
        if (dataTransfer.items && dataTransfer.items.length) {
          var items = [];
          for (var i = 0; i < dataTransfer.items.length; i++) {
            var item = dataTransfer.items[i];
            if (item.getAsEntry) {
              item = item.getAsEntry() || item.getAsFile();
            } else if (item.webkitGetAsEntry) {
              item = item.webkitGetAsEntry() || item.getAsFile();
            } else {
              item = item.getAsFile();
            }
            if (item) {
              items.push(item);
            }
          }

          return new Promise(function (resolve, reject) {
            var forEach = function forEach(i) {
              var item = items[i];
              // 结束 文件数量大于 最大数量
              if (!item || _this.maximum > 0 && files.length >= _this.maximum) {
                return resolve(_this.add(files));
              }
              _this.getEntry(item).then(function (results) {
                files.push.apply(files, _toConsumableArray(results));
                forEach(i + 1);
              });
            };
            forEach(0);
          });
        }

        if (dataTransfer.files.length) {
          for (var _i3 = 0; _i3 < dataTransfer.files.length; _i3++) {
            files.push(dataTransfer.files[_i3]);
            if (this.maximum > 0 && files.length >= this.maximum) {
              break;
            }
          }
          return Promise.resolve(this.add(files));
        }

        return Promise.resolve([]);
      },


      // 获得 entry
      getEntry: function getEntry(entry) {
        var _this2 = this;

        var path = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : '';

        return new Promise(function (resolve, reject) {
          if (entry.isFile) {
            entry.file(function (file) {
              resolve([{
                size: file.size,
                name: path + file.name,
                type: file.type,
                file: file
              }]);
            });
          } else if (entry.isDirectory && _this2.dropDirectory) {
            var files = [];
            var dirReader = entry.createReader();
            var readEntries = function readEntries() {
              dirReader.readEntries(function (entries) {
                var forEach = function forEach(i) {
                  if (!entries[i] && i === 0 || _this2.maximum > 0 && files.length >= _this2.maximum) {
                    return resolve(files);
                  }
                  if (!entries[i]) {
                    return readEntries();
                  }
                  _this2.getEntry(entries[i], path + entry.name + '/').then(function (results) {
                    files.push.apply(files, _toConsumableArray(results));
                    forEach(i + 1);
                  });
                };
                forEach(0);
              });
            };
            readEntries();
          } else {
            resolve([]);
          }
        });
      },
      replace: function replace(id1, id2) {
        var file1 = this.get(id1);
        var file2 = this.get(id2);
        if (!file1 || !file2 || file1 === file2) {
          return false;
        }
        var files = this.files.concat([]);
        var index1 = files.indexOf(file1);
        var index2 = files.indexOf(file2);
        if (index1 === -1 || index2 === -1) {
          return false;
        }
        files[index1] = file2;
        files[index2] = file1;
        this.files = files;
        this.emitInput();
        return true;
      },


      // 移除
      remove: function remove(id) {
        var file = this.get(id);
        if (file) {
          if (this.emitFilter(undefined, file)) {
            return false;
          }
          var files = this.files.concat([]);
          var index = files.indexOf(file);
          if (index === -1) {
            console.error('remove', file);
            return false;
          }
          files.splice(index, 1);
          this.files = files;

          // 定位
          delete this.maps[file.id];

          // 事件
          this.emitInput();
          this.emitFile(undefined, file);
        }
        return file;
      },


      // 更新
      update: function update(id, data) {
        var file = this.get(id);
        if (file) {
          var newFile = _extends({}, file, data);
          // 停用必须加上错误
          if (file.fileObject && file.active && !newFile.active && !newFile.error && !newFile.success) {
            newFile.error = 'abort';
          }

          if (this.emitFilter(newFile, file)) {
            return false;
          }

          var files = this.files.concat([]);
          var index = files.indexOf(file);
          if (index === -1) {
            console.error('update', file);
            return false;
          }
          files.splice(index, 1, newFile);
          this.files = files;

          // 删除  旧定位 写入 新定位 （已便支持修改id)
          delete this.maps[file.id];
          this.maps[newFile.id] = newFile;

          // 事件
          this.emitInput();
          this.emitFile(newFile, file);
          return newFile;
        }
        return false;
      },


      // 预处理 事件 过滤器
      emitFilter: function emitFilter(newFile, oldFile) {
        var isPrevent = false;
        this.$emit('input-filter', newFile, oldFile, function () {
          isPrevent = true;
          return isPrevent;
        });
        return isPrevent;
      },


      // 处理后 事件 分发
      emitFile: function emitFile(newFile, oldFile) {
        this.$emit('input-file', newFile, oldFile);
        if (newFile && newFile.fileObject && newFile.active && (!oldFile || !oldFile.active)) {
          this.uploading++;
          // 激活
          this.$nextTick(function () {
            var _this3 = this;

            setTimeout(function () {
              _this3.upload(newFile).then(function () {
                // eslint-disable-next-line
                newFile = _this3.get(newFile);
                if (newFile && newFile.fileObject) {
                  _this3.update(newFile, {
                    active: false,
                    success: !newFile.error
                  });
                }
              }).catch(function (e) {
                _this3.update(newFile, {
                  active: false,
                  success: false,
                  error: e.code || e.error || e.message || e
                });
              });
            }, parseInt(Math.random() * 50 + 50, 10));
          });
        } else if ((!newFile || !newFile.fileObject || !newFile.active) && oldFile && oldFile.fileObject && oldFile.active) {
          // 停止
          this.uploading--;
        }

        // 自动延续激活
        if (this.active && (Boolean(newFile) !== Boolean(oldFile) || newFile.active !== oldFile.active)) {
          this.watchActive(true);
        }
      },
      emitInput: function emitInput() {
        this.$emit('input', this.files);
      },


      // 上传
      upload: function upload(id) {
        var file = this.get(id);

        // 被删除
        if (!file) {
          return Promise.reject('not_exists');
        }

        // 不是文件对象
        if (!file.fileObject) {
          return Promise.reject('file_object');
        }

        // 有错误直接响应
        if (file.error) {
          return Promise.reject(file.error);
        }

        // 已完成直接响应
        if (file.success) {
          return Promise.resolve(file);
        }

        // 后缀
        var extensions = this.extensions;
        if (extensions && (extensions.length || typeof extensions.length === 'undefined')) {
          if ((typeof extensions === 'undefined' ? 'undefined' : _typeof(extensions)) !== 'object' || !(extensions instanceof RegExp)) {
            if (typeof extensions === 'string') {
              extensions = extensions.split(',').map(function (value) {
                return value.trim();
              }).filter(function (value) {
                return value;
              });
            }
            extensions = new RegExp('\\.(' + extensions.join('|').replace(/\./g, '\\.') + ')$', 'i');
          }
          if (file.name.search(extensions) === -1) {
            return Promise.reject('extension');
          }
        }

        // 大小
        if (this.size > 0 && file.size >= 0 && file.size > this.size) {
          return Promise.reject('size');
        }

        if (this.customAction) {
          return this.customAction(file, this);
        }

        if (this.features.html5) {
          if (this.shouldUseChunkUpload(file)) {
            return this.uploadChunk(file);
          }
          if (file.putAction) {
            return this.uploadPut(file);
          }
          if (file.postAction) {
            return this.uploadHtml5(file);
          }
        }
        if (file.postAction) {
          return this.uploadHtml4(file);
        }
        return Promise.reject('No action configured');
      },


      /**
       * Whether this file should be uploaded using chunk upload or not
       *
       * @param Object file
       */
      shouldUseChunkUpload: function shouldUseChunkUpload(file) {
        return this.chunkEnabled && !!this.chunkOptions.handler && file.size > this.chunkOptions.minSize;
      },


      /**
       * Upload a file using Chunk method
       *
       * @param File file
       */
      uploadChunk: function uploadChunk(file) {
        var HandlerClass = this.chunkOptions.handler;
        file.chunk = new HandlerClass(file, this.chunkOptions);

        return file.chunk.upload();
      },
      uploadPut: function uploadPut(file) {
        var querys = [];
        var value = void 0;
        for (var key in file.data) {
          value = file.data[key];
          if (value !== null && value !== undefined) {
            querys.push(encodeURIComponent(key) + '=' + encodeURIComponent(value));
          }
        }
        var queryString = querys.length ? (file.putAction.indexOf('?') === -1 ? '?' : '&') + querys.join('&') : '';
        var xhr = new XMLHttpRequest();
        xhr.open('PUT', file.putAction + queryString);
        return this.uploadXhr(xhr, file, file.file);
      },
      uploadHtml5: function uploadHtml5(file) {
        var form = new window.FormData();
        var value = void 0;
        for (var key in file.data) {
          value = file.data[key];
          if (value && (typeof value === 'undefined' ? 'undefined' : _typeof(value)) === 'object' && typeof value.toString !== 'function') {
            if (value instanceof File) {
              form.append(key, value, value.name);
            } else {
              form.append(key, JSON.stringify(value));
            }
          } else if (value !== null && value !== undefined) {
            form.append(key, value);
          }
        }
        form.append(this.name, file.file, file.file.filename || file.name);
        var xhr = new XMLHttpRequest();
        xhr.open('POST', file.postAction);
        return this.uploadXhr(xhr, file, form);
      },
      uploadXhr: function uploadXhr(xhr, _file, body) {
        var _this4 = this;

        var file = _file;
        var speedTime = 0;
        var speedLoaded = 0;

        // 进度条
        xhr.upload.onprogress = function (e) {
          // 还未开始上传 已删除 未激活
          file = _this4.get(file);
          if (!e.lengthComputable || !file || !file.fileObject || !file.active) {
            return;
          }

          // 进度 速度 每秒更新一次
          var speedTime2 = Math.round(Date.now() / 1000);
          if (speedTime2 === speedTime) {
            return;
          }
          speedTime = speedTime2;

          file = _this4.update(file, {
            progress: (e.loaded / e.total * 100).toFixed(2),
            speed: e.loaded - speedLoaded
          });
          speedLoaded = e.loaded;
        };

        // 检查激活状态
        var interval = setInterval(function () {
          file = _this4.get(file);
          if (file && file.fileObject && !file.success && !file.error && file.active) {
            return;
          }

          if (interval) {
            clearInterval(interval);
            interval = false;
          }

          try {
            xhr.abort();
            xhr.timeout = 1;
          } catch (e) {}
        }, 100);

        return new Promise(function (resolve, reject) {
          var complete = void 0;
          var fn = function fn(e) {
            // 已经处理过了
            if (complete) {
              return;
            }
            complete = true;
            if (interval) {
              clearInterval(interval);
              interval = false;
            }

            file = _this4.get(file);

            // 不存在直接响应
            if (!file) {
              return reject('not_exists');
            }

            // 不是文件对象
            if (!file.fileObject) {
              return reject('file_object');
            }

            // 有错误自动响应
            if (file.error) {
              return reject(file.error);
            }

            // 未激活
            if (!file.active) {
              return reject('abort');
            }

            // 已完成 直接相应
            if (file.success) {
              return resolve(file);
            }

            var data = {};

            switch (e.type) {
              case 'timeout':
              case 'abort':
                data.error = e.type;
                break;
              case 'error':
                if (!xhr.status) {
                  data.error = 'network';
                } else if (xhr.status >= 500) {
                  data.error = 'server';
                } else if (xhr.status >= 400) {
                  data.error = 'denied';
                }
                break;
              default:
                if (xhr.status >= 500) {
                  data.error = 'server';
                } else if (xhr.status >= 400) {
                  data.error = 'denied';
                } else {
                  data.progress = '100.00';
                }
            }

            if (xhr.responseText) {
              var contentType = xhr.getResponseHeader('Content-Type');
              if (contentType && contentType.indexOf('/json') !== -1) {
                data.response = JSON.parse(xhr.responseText);
              } else {
                data.response = xhr.responseText;
              }
            }

            // 更新
            file = _this4.update(file, data);

            // 相应错误
            if (file.error) {
              return reject(file.error);
            }

            // 响应
            return resolve(file);
          };

          // 事件
          xhr.onload = fn;
          xhr.onerror = fn;
          xhr.onabort = fn;
          xhr.ontimeout = fn;

          // 超时
          if (file.timeout) {
            xhr.timeout = file.timeout;
          }

          // headers
          for (var key in file.headers) {
            xhr.setRequestHeader(key, file.headers[key]);
          }

          // 更新 xhr
          file = _this4.update(file, { xhr: xhr });

          // 开始上传
          xhr.send(body);
        });
      },
      uploadHtml4: function uploadHtml4(_file) {
        var _this5 = this;

        var file = _file;
        var onKeydown = function onKeydown(e) {
          if (e.keyCode === 27) {
            e.preventDefault();
          }
        };

        var iframe = document.createElement('iframe');
        iframe.id = 'upload-iframe-' + file.id;
        iframe.name = 'upload-iframe-' + file.id;
        iframe.src = 'about:blank';
        iframe.setAttribute('style', 'width:1px;height:1px;top:-999em;position:absolute; margin-top:-999em;');

        var form = document.createElement('form');

        form.action = file.postAction;

        form.name = 'upload-form-' + file.id;

        form.setAttribute('method', 'POST');
        form.setAttribute('target', 'upload-iframe-' + file.id);
        form.setAttribute('enctype', 'multipart/form-data');

        var value = void 0;
        var input = void 0;
        for (var key in file.data) {
          value = file.data[key];
          if (value && (typeof value === 'undefined' ? 'undefined' : _typeof(value)) === 'object' && typeof value.toString !== 'function') {
            value = JSON.stringify(value);
          }
          if (value !== null && value !== undefined) {
            input = document.createElement('input');
            input.type = 'hidden';
            input.name = key;
            input.value = value;
            form.appendChild(input);
          }
        }
        form.appendChild(file.el);

        document.body.appendChild(iframe).appendChild(form);

        var getResponseData = function getResponseData() {
          var doc = void 0;
          try {
            if (iframe.contentWindow) {
              doc = iframe.contentWindow.document;
            }
          } catch (err) {}
          if (!doc) {
            try {
              doc = iframe.contentDocument ? iframe.contentDocument : iframe.document;
            } catch (err) {
              doc = iframe.document;
            }
          }
          if (doc && doc.body) {
            return doc.body.innerHTML;
          }
          return null;
        };

        return new Promise(function (resolve, reject) {
          setTimeout(function () {
            file = _this5.update(file, { iframe: iframe });

            // 不存在
            if (!file) {
              return reject('not_exists');
            }

            // 定时检查
            var interval = setInterval(function () {
              file = _this5.get(file);
              if (file && file.fileObject && !file.success && !file.error && file.active) {
                return;
              }

              if (interval) {
                clearInterval(interval);
                interval = false;
              }

              iframe.onabort({ type: file ? 'abort' : 'not_exists' });
            }, 100);

            var complete = void 0;
            var fn = function fn(e) {
              // 已经处理过了
              if (complete) {
                return;
              }
              complete = true;

              if (interval) {
                clearInterval(interval);
                interval = false;
              }

              // 关闭 esc 事件
              document.body.removeEventListener('keydown', onKeydown);

              file = _this5.get(file);

              // 不存在直接响应
              if (!file) {
                return reject('not_exists');
              }

              // 不是文件对象
              if (!file.fileObject) {
                return reject('file_object');
              }

              // 有错误自动响应
              if (file.error) {
                return reject(file.error);
              }

              // 未激活
              if (!file.active) {
                return reject('abort');
              }

              // 已完成 直接相应
              if (file.success) {
                return resolve(file);
              }

              var response = getResponseData();
              var data = {};
              switch (e.type) {
                case 'abort':
                  data.error = 'abort';
                  break;
                case 'error':
                  if (file.error) {
                    data.error = file.error;
                  } else if (response === null) {
                    data.error = 'network';
                  } else {
                    data.error = 'denied';
                  }
                  break;
                default:
                  if (file.error) {
                    data.error = file.error;
                  } else if (data === null) {
                    data.error = 'network';
                  } else {
                    data.progress = '100.00';
                  }
              }

              if (response !== null) {
                if (response && response.substr(0, 1) === '{' && response.substr(response.length - 1, 1) === '}') {
                  try {
                    response = JSON.parse(response);
                  } catch (err) {}
                }
                data.response = response;
              }

              // 更新
              file = _this5.update(file, data);

              if (file.error) {
                return reject(file.error);
              }

              // 响应
              return resolve(file);
            };

            // 添加事件
            iframe.onload = fn;
            iframe.onerror = fn;
            iframe.onabort = fn;

            // 禁止 esc 键
            document.body.addEventListener('keydown', onKeydown);

            // 提交
            form.submit();
          }, 50);
        }).then(function (res) {
          iframe.parentNode && iframe.parentNode.removeChild(iframe);
          return res;
        }).catch(function (res) {
          iframe.parentNode && iframe.parentNode.removeChild(iframe);
          return res;
        });
      },
      watchActive: function watchActive(active) {
        var file = void 0;
        var index = 0;
        while (file = this.files[index]) {
          index++;
          if (!file.fileObject) ; else if (active && !this.destroy) {
            if (this.uploading >= this.thread || this.uploading && !this.features.html5) {
              break;
            }
            if (!file.active && !file.error && !file.success) {
              this.update(file, { active: true });
            }
          } else {
            if (file.active) {
              this.update(file, { active: false });
            }
          }
        }
        if (this.uploading === 0) {
          this.active = false;
        }
      },
      watchDrop: function watchDrop(_el) {
        var el = _el;
        if (!this.features.drop) {
          return;
        }

        // 移除挂载
        if (this.dropElement) {
          try {
            document.removeEventListener('dragenter', this.onDragenter, false);
            document.removeEventListener('dragleave', this.onDragleave, false);
            document.removeEventListener('drop', this.onDocumentDrop, false);
            this.dropElement.removeEventListener('dragover', this.onDragover, false);
            this.dropElement.removeEventListener('drop', this.onDrop, false);
          } catch (e) {}
        }

        if (!el) {
          el = false;
        } else if (typeof el === 'string') {
          el = document.querySelector(el) || this.$root.$el.querySelector(el);
        } else if (el === true) {
          el = this.$parent.$el;
        }

        this.dropElement = el;

        if (this.dropElement) {
          document.addEventListener('dragenter', this.onDragenter, false);
          document.addEventListener('dragleave', this.onDragleave, false);
          document.addEventListener('drop', this.onDocumentDrop, false);
          this.dropElement.addEventListener('dragover', this.onDragover, false);
          this.dropElement.addEventListener('drop', this.onDrop, false);
        }
      },
      onDragenter: function onDragenter(e) {
        e.preventDefault();
        if (this.dropActive) {
          return;
        }
        if (!e.dataTransfer) {
          return;
        }
        var dt = e.dataTransfer;
        if (dt.files && dt.files.length) {
          this.dropActive = true;
        } else if (!dt.types) {
          this.dropActive = true;
        } else if (dt.types.indexOf && dt.types.indexOf('Files') !== -1) {
          this.dropActive = true;
        } else if (dt.types.contains && dt.types.contains('Files')) {
          this.dropActive = true;
        }
      },
      onDragleave: function onDragleave(e) {
        e.preventDefault();
        if (!this.dropActive) {
          return;
        }
        if (e.target.nodeName === 'HTML' || e.target === e.explicitOriginalTarget || !e.fromElement && (e.clientX <= 0 || e.clientY <= 0 || e.clientX >= window.innerWidth || e.clientY >= window.innerHeight)) {
          this.dropActive = false;
        }
      },
      onDragover: function onDragover(e) {
        e.preventDefault();
      },
      onDocumentDrop: function onDocumentDrop() {
        this.dropActive = false;
      },
      onDrop: function onDrop(e) {
        e.preventDefault();
        this.addDataTransfer(e.dataTransfer);
      }
    }
  };

  /* script */
  var __vue_script__$1 = script$1;

  /* template */
  var __vue_render__$1 = function __vue_render__() {
    var _vm = this;var _h = _vm.$createElement;var _c = _vm._self._c || _h;return _c('span', { class: _vm.className }, [_vm._t("default"), _vm._v(" "), _c('label', { attrs: { "for": _vm.inputId || _vm.name } }), _vm._v(" "), _c('input-file')], 2);
  };
  var __vue_staticRenderFns__$1 = [];

  /* style */
  var __vue_inject_styles__$1 = function (inject) {
    if (!inject) return;
    inject("data-v-595958af_0", { source: "\n.file-uploads{overflow:hidden;position:relative;text-align:center;display:inline-block\n}\n.file-uploads.file-uploads-html4 input,.file-uploads.file-uploads-html5 label{background:#fff;opacity:0;font-size:20em;z-index:1;top:0;left:0;right:0;bottom:0;position:absolute;width:100%;height:100%\n}\n.file-uploads.file-uploads-html4 label,.file-uploads.file-uploads-html5 input{background:rgba(255,255,255,0);overflow:hidden;position:fixed;width:1px;height:1px;z-index:-1;opacity:0\n}", map: undefined, media: undefined });
  };
  /* scoped */
  var __vue_scope_id__$1 = undefined;
  /* module identifier */
  var __vue_module_identifier__$1 = undefined;
  /* functional template */
  var __vue_is_functional_template__$1 = false;
  /* component normalizer */
  function __vue_normalize__$1(template, style, script, scope, functional, moduleIdentifier, createInjector, createInjectorSSR) {
    var component = (typeof script === 'function' ? script.options : script) || {};

    if (!component.render) {
      component.render = template.render;
      component.staticRenderFns = template.staticRenderFns;
      component._compiled = true;

      if (functional) component.functional = true;
    }

    component._scopeId = scope;

    {
      var hook = void 0;
      if (style) {
        hook = function hook(context) {
          style.call(this, createInjector(context));
        };
      }

      if (hook !== undefined) {
        if (component.functional) {
          // register for functional component in vue file
          var originalRender = component.render;
          component.render = function renderWithStyleInjection(h, context) {
            hook.call(context);
            return originalRender(h, context);
          };
        } else {
          // inject component registration as beforeCreate hook
          var existing = component.beforeCreate;
          component.beforeCreate = existing ? [].concat(existing, hook) : [hook];
        }
      }
    }

    return component;
  }
  /* style inject */
  function __vue_create_injector__$1() {
    var head = document.head || document.getElementsByTagName('head')[0];
    var styles = __vue_create_injector__$1.styles || (__vue_create_injector__$1.styles = {});
    var isOldIE = typeof navigator !== 'undefined' && /msie [6-9]\\b/.test(navigator.userAgent.toLowerCase());

    return function addStyle(id, css) {
      if (document.querySelector('style[data-vue-ssr-id~="' + id + '"]')) return; // SSR styles are present.

      var group = isOldIE ? css.media || 'default' : id;
      var style = styles[group] || (styles[group] = { ids: [], parts: [], element: undefined });

      if (!style.ids.includes(id)) {
        var code = css.source;
        var index = style.ids.length;

        style.ids.push(id);

        if (css.map) {
          // https://developer.chrome.com/devtools/docs/javascript-debugging
          // this makes source maps inside style tags work properly in Chrome
          code += '\n/*# sourceURL=' + css.map.sources[0] + ' */';
          // http://stackoverflow.com/a/26603875
          code += '\n/*# sourceMappingURL=data:application/json;base64,' + btoa(unescape(encodeURIComponent(JSON.stringify(css.map)))) + ' */';
        }

        if (isOldIE) {
          style.element = style.element || document.querySelector('style[data-group=' + group + ']');
        }

        if (!style.element) {
          var el = style.element = document.createElement('style');
          el.type = 'text/css';

          if (css.media) el.setAttribute('media', css.media);
          if (isOldIE) {
            el.setAttribute('data-group', group);
            el.setAttribute('data-next-index', '0');
          }

          head.appendChild(el);
        }

        if (isOldIE) {
          index = parseInt(style.element.getAttribute('data-next-index'));
          style.element.setAttribute('data-next-index', index + 1);
        }

        if (style.element.styleSheet) {
          style.parts.push(code);
          style.element.styleSheet.cssText = style.parts.filter(Boolean).join('\n');
        } else {
          var textNode = document.createTextNode(code);
          var nodes = style.element.childNodes;
          if (nodes[index]) style.element.removeChild(nodes[index]);
          if (nodes.length) style.element.insertBefore(textNode, nodes[index]);else style.element.appendChild(textNode);
        }
      }
    };
  }
  /* style inject SSR */

  var FileUpload = __vue_normalize__$1({ render: __vue_render__$1, staticRenderFns: __vue_staticRenderFns__$1 }, __vue_inject_styles__$1, __vue_script__$1, __vue_scope_id__$1, __vue_is_functional_template__$1, __vue_module_identifier__$1, __vue_create_injector__$1, undefined);

  var FileUpload$1 = /*#__PURE__*/Object.freeze({
    default: FileUpload
  });

  var require$$0 = ( FileUpload$1 && FileUpload ) || FileUpload$1;

  var src = require$$0;

  return src;

})));
//# sourceMappingURL=vue-upload-component.js.map

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t,a=this,i=a.rtlTranslate?a.translate:-a.translate,s=a.slidesGrid,r=a.snapGrid,n=a.params,o=a.activeIndex,l=a.realIndex,d=a.snapIndex,p=e;if(void 0===p){for(var c=0;c<s.length;c+=1)void 0!==s[c+1]?i>=s[c]&&i<s[c+1]-(s[c+1]-s[c])/2?p=c:i>=s[c]&&i<s[c+1]&&(p=c+1):i>=s[c]&&(p=c);n.normalizeSlideIndex&&(p<0||void 0===p)&&(p=0)}if((t=0<=r.indexOf(i)?r.indexOf(i):Math.floor(p/n.slidesPerGroup))>=r.length&&(t=r.length-1),p!==o){var u=parseInt(a.slides.eq(p).attr("data-swiper-slide-index")||p,10);ee.extend(a,{snapIndex:t,realIndex:u,previousIndex:o,activeIndex:p}),a.emit("activeIndexChange"),a.emit("snapIndexChange"),l!==u&&a.emit("realIndexChange"),a.emit("slideChange")}else t!==d&&(a.snapIndex=t,a.emit("snapIndexChange"))},updateClickedSlide:function(e){var t=this,a=t.params,i=L(e.target).closest("."+a.slideClass)[0],s=!1;if(i)for(var r=0;r<t.slides.length;r+=1)t.slides[r]===i&&(s=!0);if(!i||!s)return t.clickedSlide=void 0,void(t.clickedIndex=void 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d=a.maxTranslate()-a.minTranslate();(0===d?0:(e-a.minTranslate())/d)!==n&&a.updateProgress(e),a.emit("setTranslate",a.translate,t)},minTranslate:function(){return-this.snapGrid[0]},maxTranslate:function(){return-this.snapGrid[this.snapGrid.length-1]}};var c={setTransition:function(e,t){this.$wrapperEl.transition(e),this.emit("setTransition",e,t)},transitionStart:function(e,t){void 0===e&&(e=!0);var a=this,i=a.activeIndex,s=a.params,r=a.previousIndex;s.autoHeight&&a.updateAutoHeight();var n=t;if(n||(n=r<i?"next":i<r?"prev":"reset"),a.emit("transitionStart"),e&&i!==r){if("reset"===n)return void a.emit("slideResetTransitionStart");a.emit("slideChangeTransitionStart"),"next"===n?a.emit("slideNextTransitionStart"):a.emit("slidePrevTransitionStart")}},transitionEnd:function(e,t){void 0===e&&(e=!0);var a=this,i=a.activeIndex,s=a.previousIndex;a.animating=!1,a.setTransition(0);var r=t;if(r||(r=s<i?"next":i<s?"prev":"reset"),a.emit("transitionEnd"),e&&i!==s){if("reset"===r)return void a.emit("slideResetTransitionEnd");a.emit("slideChangeTransitionEnd"),"next"===r?a.emit("slideNextTransitionEnd"):a.emit("slidePrevTransitionEnd")}}};var u={slideTo:function(e,t,a,i){void 0===e&&(e=0),void 0===t&&(t=this.params.speed),void 0===a&&(a=!0);var s=this,r=e;r<0&&(r=0);var n=s.params,o=s.snapGrid,l=s.slidesGrid,d=s.previousIndex,p=s.activeIndex,c=s.rtlTranslate;if(s.animating&&n.preventInteractionOnTransition)return!1;var u=Math.floor(r/n.slidesPerGroup);u>=o.length&&(u=o.length-1),(p||n.initialSlide||0)===(d||0)&&a&&s.emit("beforeSlideChangeStart");var h,v=-o[u];if(s.updateProgress(v),n.normalizeSlideIndex)for(var f=0;f<l.length;f+=1)-Math.floor(100*v)>=Math.floor(100*l[f])&&(r=f);if(s.initialized&&r!==p){if(!s.allowSlideNext&&v<s.translate&&v<s.minTranslate())return!1;if(!s.allowSlidePrev&&v>s.translate&&v>s.maxTranslate()&&(p||0)!==r)return!1}return h=p<r?"next":r<p?"prev":"reset",c&&-v===s.translate||!c&&v===s.translate?(s.updateActiveIndex(r),n.autoHeight&&s.updateAutoHeight(),s.updateSlidesClasses(),"slide"!==n.effect&&s.setTranslate(v),"reset"!==h&&(s.transitionStart(a,h),s.transitionEnd(a,h)),!1):(0!==t&&te.transition?(s.setTransition(t),s.setTranslate(v),s.updateActiveIndex(r),s.updateSlidesClasses(),s.emit("beforeTransitionStart",t,i),s.transitionStart(a,h),s.animating||(s.animating=!0,s.onSlideToWrapperTransitionEnd||(s.onSlideToWrapperTransitionEnd=function(e){s&&!s.destroyed&&e.target===this&&(s.$wrapperEl[0].removeEventListener("transitionend",s.onSlideToWrapperTransitionEnd),s.$wrapperEl[0].removeEventListener("webkitTransitionEnd",s.onSlideToWrapperTransitionEnd),s.onSlideToWrapperTransitionEnd=null,delete 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i=this,s=i.params,r=i.animating,n=i.snapGrid,o=i.slidesGrid,l=i.rtlTranslate;if(s.loop){if(r)return!1;i.loopFix(),i._clientLeft=i.$wrapperEl[0].clientLeft}function d(e){return e<0?-Math.floor(Math.abs(e)):Math.floor(e)}var p,c=d(l?i.translate:-i.translate),u=n.map(function(e){return d(e)}),h=(o.map(function(e){return d(e)}),n[u.indexOf(c)],n[u.indexOf(c)-1]);return void 0!==h&&(p=o.indexOf(h))<0&&(p=i.activeIndex-1),i.slideTo(p,e,t,a)},slideReset:function(e,t,a){return void 0===e&&(e=this.params.speed),void 0===t&&(t=!0),this.slideTo(this.activeIndex,e,t,a)},slideToClosest:function(e,t,a){void 0===e&&(e=this.params.speed),void 0===t&&(t=!0);var i=this,s=i.activeIndex,r=Math.floor(s/i.params.slidesPerGroup);if(r<i.snapGrid.length-1){var n=i.rtlTranslate?i.translate:-i.translate,o=i.snapGrid[r];(i.snapGrid[r+1]-o)/2<n-o&&(s=i.params.slidesPerGroup)}return i.slideTo(s,e,t,a)},slideToClickedSlide:function(){var e,t=this,a=t.params,i=t.$wrapperEl,s="auto"===a.slidesPerView?t.slidesPerViewDynamic():a.slidesPerView,r=t.clickedIndex;if(a.loop){if(t.animating)return;e=parseInt(L(t.clickedSlide).attr("data-swiper-slide-index"),10),a.centeredSlides?r<t.loopedSlides-s/2||r>t.slides.length-t.loopedSlides+s/2?(t.loopFix(),r=i.children("."+a.slideClass+'[data-swiper-slide-index="'+e+'"]:not(.'+a.slideDuplicateClass+")").eq(0).index(),ee.nextTick(function(){t.slideTo(r)})):t.slideTo(r):r>t.slides.length-s?(t.loopFix(),r=i.children("."+a.slideClass+'[data-swiper-slide-index="'+e+'"]:not(.'+a.slideDuplicateClass+")").eq(0).index(),ee.nextTick(function(){t.slideTo(r)})):t.slideTo(r)}else t.slideTo(r)}};var h={loopCreate:function(){var i=this,e=i.params,t=i.$wrapperEl;t.children("."+e.slideClass+"."+e.slideDuplicateClass).remove();var s=t.children("."+e.slideClass);if(e.loopFillGroupWithBlank){var a=e.slidesPerGroup-s.length%e.slidesPerGroup;if(a!==e.slidesPerGroup){for(var r=0;r<a;r+=1){var n=L(f.createElement("div")).addClass(e.slideClass+" "+e.slideBlankClass);t.append(n)}s=t.children("."+e.slideClass)}}"auto"!==e.slidesPerView||e.loopedSlides||(e.loopedSlides=s.length),i.loopedSlides=parseInt(e.loopedSlides||e.slidesPerView,10),i.loopedSlides+=e.loopAdditionalSlides,i.loopedSlides>s.length&&(i.loopedSlides=s.length);var o=[],l=[];s.each(function(e,t){var a=L(t);e<i.loopedSlides&&l.push(t),e<s.length&&e>=s.length-i.loopedSlides&&o.push(t),a.attr("data-swiper-slide-index",e)});for(var d=0;d<l.length;d+=1)t.append(L(l[d].cloneNode(!0)).addClass(e.slideDuplicateClass));for(var p=o.length-1;0<=p;p-=1)t.prepend(L(o[p].cloneNode(!0)).addClass(e.slideDuplicateClass))},loopFix:function(){var e,t=this,a=t.params,i=t.activeIndex,s=t.slides,r=t.loopedSlides,n=t.allowSlidePrev,o=t.allowSlideNext,l=t.snapGrid,d=t.rtlTranslate;t.allowSlidePrev=!0,t.allowSlideNext=!0;var p=-l[i]-t.getTranslate();i<r?(e=s.length-3*r+i,e+=r,t.slideTo(e,0,!1,!0)&&0!==p&&t.setTranslate((d?-t.translate:t.translate)-p)):("auto"===a.slidesPerView&&2*r<=i||i>=s.length-r)&&(e=-s.length+i+r,e+=r,t.slideTo(e,0,!1,!0)&&0!==p&&t.setTranslate((d?-t.translate:t.translate)-p));t.allowSlidePrev=n,t.allowSlideNext=o},loopDestroy:function(){var e=this.$wrapperEl,t=this.params,a=this.slides;e.children("."+t.slideClass+"."+t.slideDuplicateClass+",."+t.slideClass+"."+t.slideBlankClass).remove(),a.removeAttr("data-swiper-slide-index")}};var v={setGrabCursor:function(e){if(!(te.touch||!this.params.simulateTouch||this.params.watchOverflow&&this.isLocked)){var t=this.el;t.style.cursor="move",t.style.cursor=e?"-webkit-grabbing":"-webkit-grab",t.style.cursor=e?"-moz-grabbin":"-moz-grab",t.style.cursor=e?"grabbing":"grab"}},unsetGrabCursor:function(){te.touch||this.params.watchOverflow&&this.isLocked||(this.el.style.cursor="")}};var m={appendSlide:function(e){var t=this,a=t.$wrapperEl,i=t.params;if(i.loop&&t.loopDestroy(),"object"==typeof e&&"length"in e)for(var s=0;s<e.length;s+=1)e[s]&&a.append(e[s]);else a.append(e);i.loop&&t.loopCreate(),i.observer&&te.observer||t.update()},prependSlide:function(e){var t=this,a=t.params,i=t.$wrapperEl,s=t.activeIndex;a.loop&&t.loopDestroy();var r=s+1;if("object"==typeof e&&"length"in e){for(var n=0;n<e.length;n+=1)e[n]&&i.prepend(e[n]);r=s+e.length}else i.prepend(e);a.loop&&t.loopCreate(),a.observer&&te.observer||t.update(),t.slideTo(r,0,!1)},addSlide:function(e,t){var a=this,i=a.$wrapperEl,s=a.params,r=a.activeIndex;s.loop&&(r-=a.loopedSlides,a.loopDestroy(),a.slides=i.children("."+s.slideClass));var n=a.slides.length;if(e<=0)a.prependSlide(t);else if(n<=e)a.appendSlide(t);else{for(var o=e<r?r+1:r,l=[],d=n-1;e<=d;d-=1){var p=a.slides.eq(d);p.remove(),l.unshift(p)}if("object"==typeof t&&"length"in t){for(var c=0;c<t.length;c+=1)t[c]&&i.append(t[c]);o=e<r?r+t.length:r}else i.append(t);for(var u=0;u<l.length;u+=1)i.append(l[u]);s.loop&&a.loopCreate(),s.observer&&te.observer||a.update(),s.loop?a.slideTo(o+a.loopedSlides,0,!1):a.slideTo(o,0,!1)}},removeSlide:function(e){var t=this,a=t.params,i=t.$wrapperEl,s=t.activeIndex;a.loop&&(s-=t.loopedSlides,t.loopDestroy(),t.slides=i.children("."+a.slideClass));var r,n=s;if("object"==typeof e&&"length"in e){for(var o=0;o<e.length;o+=1)r=e[o],t.slides[r]&&t.slides.eq(r).remove(),r<n&&(n-=1);n=Math.max(n,0)}else r=e,t.slides[r]&&t.slides.eq(r).remove(),r<n&&(n-=1),n=Math.max(n,0);a.loop&&t.loopCreate(),a.observer&&te.observer||t.update(),a.loop?t.slideTo(n+t.loopedSlides,0,!1):t.slideTo(n,0,!1)},removeAllSlides:function(){for(var e=[],t=0;t<this.slides.length;t+=1)e.push(t);this.removeSlide(e)}},g=function(){var e=J.navigator.userAgent,t={ios:!1,android:!1,androidChrome:!1,desktop:!1,windows:!1,iphone:!1,ipod:!1,ipad:!1,cordova:J.cordova||J.phonegap,phonegap:J.cordova||J.phonegap},a=e.match(/(Windows 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o=t.osVersion.split("."),l=f.querySelector('meta[name="viewport"]');t.minimalUi=!t.webView&&(r||n)&&(1*o[0]==7?1<=1*o[1]:7<1*o[0])&&l&&0<=l.getAttribute("content").indexOf("minimal-ui")}return t.pixelRatio=J.devicePixelRatio||1,t}();function b(){var e=this,t=e.params,a=e.el;if(!a||0!==a.offsetWidth){t.breakpoints&&e.setBreakpoint();var i=e.allowSlideNext,s=e.allowSlidePrev,r=e.snapGrid;if(e.allowSlideNext=!0,e.allowSlidePrev=!0,e.updateSize(),e.updateSlides(),t.freeMode){var n=Math.min(Math.max(e.translate,e.maxTranslate()),e.minTranslate());e.setTranslate(n),e.updateActiveIndex(),e.updateSlidesClasses(),t.autoHeight&&e.updateAutoHeight()}else e.updateSlidesClasses(),("auto"===t.slidesPerView||1<t.slidesPerView)&&e.isEnd&&!e.params.centeredSlides?e.slideTo(e.slides.length-1,0,!1,!0):e.slideTo(e.activeIndex,0,!1,!0);e.allowSlidePrev=s,e.allowSlideNext=i,e.params.watchOverflow&&r!==e.snapGrid&&e.checkOverflow()}}var w={init:!0,direction:"horizontal",touchEventsTarget:"container",initialSlide:0,speed:300,preventInteractionOnTransition:!1,edgeSwipeDetection:!1,edgeSwipeThreshold:20,freeMode:!1,freeModeMomentum:!0,freeModeMomentumRatio:1,freeModeMomentumBounce:!0,freeModeMomentumBounceRatio:1,freeModeMomentumVelocityRatio:1,freeModeSticky:!1,freeModeMinimumVelocity:.02,autoHeight:!1,setWrapperSize:!1,virtualTranslate:!1,effect:"slide",breakpoints:void 0,breakpointsInverse:!1,spaceBetween:0,slidesPerView:1,slidesPerColumn:1,slidesPerColumnFill:"column",slidesPerGroup:1,centeredSlides:!1,slidesOffsetBefore:0,slidesOffsetAfter:0,normalizeSlideIndex:!0,centerInsufficientSlides:!1,watchOverflow:!1,roundLengths:!1,touchRatio:1,touchAngle:45,simulateTouch:!0,shortSwipes:!0,longSwipes:!0,longSwipesRatio:.5,longSwipesMs:300,followFinger:!0,allowTouchMove:!0,threshold:0,touchMoveStopPropagation:!0,touchStartPreventDefault:!0,touchStartForcePreventDefault:!1,touchReleaseOnEdges:!1,uniqueNavElements:!0,resistance:!0,resistanceRatio:.85,watchSlidesProgress:!1,watchSlidesVisibility:!1,grabCursor:!1,preventClicks:!0,preventClicksPropagation:!0,slideToClickedSlide:!1,preloadImages:!0,updateOnImagesReady:!0,loop:!1,loopAdditionalSlides:0,loopedSlides:null,loopFillGroupWithBlank:!1,allowSlidePrev:!0,allowSlideNext:!0,swipeHandler:null,noSwiping:!0,noSwipingClass:"swiper-no-swiping",noSwipingSelector:null,passiveListeners:!0,containerModifierClass:"swiper-container-",slideClass:"swiper-slide",slideBlankClass:"swiper-slide-invisible-blank",slideActiveClass:"swiper-slide-active",slideDuplicateActiveClass:"swiper-slide-duplicate-active",slideVisibleClass:"swiper-slide-visible",slideDuplicateClass:"swiper-slide-duplicate",slideNextClass:"swiper-slide-next",slideDuplicateNextClass:"swiper-slide-duplicate-next",slidePrevClass:"swiper-slide-prev",slideDuplicatePrevClass:"swiper-slide-duplicate-prev",wrapperClass:"swiper-wrapper",runCallbacksOnInit:!0},y={update:d,translate:p,transition:c,slide:u,loop:h,grabCursor:v,manipulation:m,events:{attachEvents:function(){var e=this,t=e.params,a=e.touchEvents,i=e.el,s=e.wrapperEl;e.onTouchStart=function(e){var t=this,a=t.touchEventsData,i=t.params,s=t.touches;if(!t.animating||!i.preventInteractionOnTransition){var r=e;if(r.originalEvent&&(r=r.originalEvent),a.isTouchEvent="touchstart"===r.type,(a.isTouchEvent||!("which"in r)||3!==r.which)&&!(!a.isTouchEvent&&"button"in r&&0<r.button||a.isTouched&&a.isMoved))if(i.noSwiping&&L(r.target).closest(i.noSwipingSelector?i.noSwipingSelector:"."+i.noSwipingClass)[0])t.allowClick=!0;else if(!i.swipeHandler||L(r).closest(i.swipeHandler)[0]){s.currentX="touchstart"===r.type?r.targetTouches[0].pageX:r.pageX,s.currentY="touchstart"===r.type?r.targetTouches[0].pageY:r.pageY;var n=s.currentX,o=s.currentY,l=i.edgeSwipeDetection||i.iOSEdgeSwipeDetection,d=i.edgeSwipeThreshold||i.iOSEdgeSwipeThreshold;if(!l||!(n<=d||n>=J.screen.width-d)){if(ee.extend(a,{isTouched:!0,isMoved:!1,allowTouchCallbacks:!0,isScrolling:void 0,startMoving:void 0}),s.startX=n,s.startY=o,a.touchStartTime=ee.now(),t.allowClick=!0,t.updateSize(),t.swipeDirection=void 0,0<i.threshold&&(a.allowThresholdMove=!1),"touchstart"!==r.type){var p=!0;L(r.target).is(a.formElements)&&(p=!1),f.activeElement&&L(f.activeElement).is(a.formElements)&&f.activeElement!==r.target&&f.activeElement.blur();var c=p&&t.allowTouchMove&&i.touchStartPreventDefault;(i.touchStartForcePreventDefault||c)&&r.preventDefault()}t.emit("touchStart",r)}}}}.bind(e),e.onTouchMove=function(e){var t=this,a=t.touchEventsData,i=t.params,s=t.touches,r=t.rtlTranslate,n=e;if(n.originalEvent&&(n=n.originalEvent),a.isTouched){if(!a.isTouchEvent||"mousemove"!==n.type){var o="touchmove"===n.type?n.targetTouches[0].pageX:n.pageX,l="touchmove"===n.type?n.targetTouches[0].pageY:n.pageY;if(n.preventedByNestedSwiper)return s.startX=o,void(s.startY=l);if(!t.allowTouchMove)return t.allowClick=!1,void(a.isTouched&&(ee.extend(s,{startX:o,startY:l,currentX:o,currentY:l}),a.touchStartTime=ee.now()));if(a.isTouchEvent&&i.touchReleaseOnEdges&&!i.loop)if(t.isVertical()){if(l<s.startY&&t.translate<=t.maxTranslate()||l>s.startY&&t.translate>=t.minTranslate())return a.isTouched=!1,void(a.isMoved=!1)}else if(o<s.startX&&t.translate<=t.maxTranslate()||o>s.startX&&t.translate>=t.minTranslate())return;if(a.isTouchEvent&&f.activeElement&&n.target===f.activeElement&&L(n.target).is(a.formElements))return a.isMoved=!0,void(t.allowClick=!1);if(a.allowTouchCallbacks&&t.emit("touchMove",n),!(n.targetTouches&&1<n.targetTouches.length)){s.currentX=o,s.currentY=l;var d,p=s.currentX-s.startX,c=s.currentY-s.startY;if(!(t.params.threshold&&Math.sqrt(Math.pow(p,2)+Math.pow(c,2))<t.params.threshold))if(void 0===a.isScrolling&&(t.isHorizontal()&&s.currentY===s.startY||t.isVertical()&&s.currentX===s.startX?a.isScrolling=!1:25<=p*p+c*c&&(d=180*Math.atan2(Math.abs(c),Math.abs(p))/Math.PI,a.isScrolling=t.isHorizontal()?d>i.touchAngle:90-d>i.touchAngle)),a.isScrolling&&t.emit("touchMoveOpposite",n),void 0===a.startMoving&&(s.currentX===s.startX&&s.currentY===s.startY||(a.startMoving=!0)),a.isScrolling)a.isTouched=!1;else if(a.startMoving){t.allowClick=!1,n.preventDefault(),i.touchMoveStopPropagation&&!i.nested&&n.stopPropagation(),a.isMoved||(i.loop&&t.loopFix(),a.startTranslate=t.getTranslate(),t.setTransition(0),t.animating&&t.$wrapperEl.trigger("webkitTransitionEnd transitionend"),a.allowMomentumBounce=!1,!i.grabCursor||!0!==t.allowSlideNext&&!0!==t.allowSlidePrev||t.setGrabCursor(!0),t.emit("sliderFirstMove",n)),t.emit("sliderMove",n),a.isMoved=!0;var u=t.isHorizontal()?p:c;s.diff=u,u*=i.touchRatio,r&&(u=-u),t.swipeDirection=0<u?"prev":"next",a.currentTranslate=u+a.startTranslate;var h=!0,v=i.resistanceRatio;if(i.touchReleaseOnEdges&&(v=0),0<u&&a.currentTranslate>t.minTranslate()?(h=!1,i.resistance&&(a.currentTranslate=t.minTranslate()-1+Math.pow(-t.minTranslate()+a.startTranslate+u,v))):u<0&&a.currentTranslate<t.maxTranslate()&&(h=!1,i.resistance&&(a.currentTranslate=t.maxTranslate()+1-Math.pow(t.maxTranslate()-a.startTranslate-u,v))),h&&(n.preventedByNestedSwiper=!0),!t.allowSlideNext&&"next"===t.swipeDirection&&a.currentTranslate<a.startTranslate&&(a.currentTranslate=a.startTranslate),!t.allowSlidePrev&&"prev"===t.swipeDirection&&a.currentTranslate>a.startTranslate&&(a.currentTranslate=a.startTranslate),0<i.threshold){if(!(Math.abs(u)>i.threshold||a.allowThresholdMove))return void(a.currentTranslate=a.startTranslate);if(!a.allowThresholdMove)return a.allowThresholdMove=!0,s.startX=s.currentX,s.startY=s.currentY,a.currentTranslate=a.startTranslate,void(s.diff=t.isHorizontal()?s.currentX-s.startX:s.currentY-s.startY)}i.followFinger&&((i.freeMode||i.watchSlidesProgress||i.watchSlidesVisibility)&&(t.updateActiveIndex(),t.updateSlidesClasses()),i.freeMode&&(0===a.velocities.length&&a.velocities.push({position:s[t.isHorizontal()?"startX":"startY"],time:a.touchStartTime}),a.velocities.push({position:s[t.isHorizontal()?"currentX":"currentY"],time:ee.now()})),t.updateProgress(a.currentTranslate),t.setTranslate(a.currentTranslate))}}}}else a.startMoving&&a.isScrolling&&t.emit("touchMoveOpposite",n)}.bind(e),e.onTouchEnd=function(e){var t=this,a=t.touchEventsData,i=t.params,s=t.touches,r=t.rtlTranslate,n=t.$wrapperEl,o=t.slidesGrid,l=t.snapGrid,d=e;if(d.originalEvent&&(d=d.originalEvent),a.allowTouchCallbacks&&t.emit("touchEnd",d),a.allowTouchCallbacks=!1,!a.isTouched)return a.isMoved&&i.grabCursor&&t.setGrabCursor(!1),a.isMoved=!1,void(a.startMoving=!1);i.grabCursor&&a.isMoved&&a.isTouched&&(!0===t.allowSlideNext||!0===t.allowSlidePrev)&&t.setGrabCursor(!1);var p,c=ee.now(),u=c-a.touchStartTime;if(t.allowClick&&(t.updateClickedSlide(d),t.emit("tap",d),u<300&&300<c-a.lastClickTime&&(a.clickTimeout&&clearTimeout(a.clickTimeout),a.clickTimeout=ee.nextTick(function(){t&&!t.destroyed&&t.emit("click",d)},300)),u<300&&c-a.lastClickTime<300&&(a.clickTimeout&&clearTimeout(a.clickTimeout),t.emit("doubleTap",d))),a.lastClickTime=ee.now(),ee.nextTick(function(){t.destroyed||(t.allowClick=!0)}),!a.isTouched||!a.isMoved||!t.swipeDirection||0===s.diff||a.currentTranslate===a.startTranslate)return a.isTouched=!1,a.isMoved=!1,void(a.startMoving=!1);if(a.isTouched=!1,a.isMoved=!1,a.startMoving=!1,p=i.followFinger?r?t.translate:-t.translate:-a.currentTranslate,i.freeMode){if(p<-t.minTranslate())return void t.slideTo(t.activeIndex);if(p>-t.maxTranslate())return void(t.slides.length<l.length?t.slideTo(l.length-1):t.slideTo(t.slides.length-1));if(i.freeModeMomentum){if(1<a.velocities.length){var h=a.velocities.pop(),v=a.velocities.pop(),f=h.position-v.position,m=h.time-v.time;t.velocity=f/m,t.velocity/=2,Math.abs(t.velocity)<i.freeModeMinimumVelocity&&(t.velocity=0),(150<m||300<ee.now()-h.time)&&(t.velocity=0)}else t.velocity=0;t.velocity*=i.freeModeMomentumVelocityRatio,a.velocities.length=0;var g=1e3*i.freeModeMomentumRatio,b=t.velocity*g,w=t.translate+b;r&&(w=-w);var y,x,T=!1,E=20*Math.abs(t.velocity)*i.freeModeMomentumBounceRatio;if(w<t.maxTranslate())i.freeModeMomentumBounce?(w+t.maxTranslate()<-E&&(w=t.maxTranslate()-E),y=t.maxTranslate(),T=!0,a.allowMomentumBounce=!0):w=t.maxTranslate(),i.loop&&i.centeredSlides&&(x=!0);else if(w>t.minTranslate())i.freeModeMomentumBounce?(w-t.minTranslate()>E&&(w=t.minTranslate()+E),y=t.minTranslate(),T=!0,a.allowMomentumBounce=!0):w=t.minTranslate(),i.loop&&i.centeredSlides&&(x=!0);else if(i.freeModeSticky){for(var S,C=0;C<l.length;C+=1)if(l[C]>-w){S=C;break}w=-(w=Math.abs(l[S]-w)<Math.abs(l[S-1]-w)||"next"===t.swipeDirection?l[S]:l[S-1])}if(x&&t.once("transitionEnd",function(){t.loopFix()}),0!==t.velocity)g=r?Math.abs((-w-t.translate)/t.velocity):Math.abs((w-t.translate)/t.velocity);else if(i.freeModeSticky)return void t.slideToClosest();i.freeModeMomentumBounce&&T?(t.updateProgress(y),t.setTransition(g),t.setTranslate(w),t.transitionStart(!0,t.swipeDirection),t.animating=!0,n.transitionEnd(function(){t&&!t.destroyed&&a.allowMomentumBounce&&(t.emit("momentumBounce"),t.setTransition(i.speed),t.setTranslate(y),n.transitionEnd(function(){t&&!t.destroyed&&t.transitionEnd()}))})):t.velocity?(t.updateProgress(w),t.setTransition(g),t.setTranslate(w),t.transitionStart(!0,t.swipeDirection),t.animating||(t.animating=!0,n.transitionEnd(function(){t&&!t.destroyed&&t.transitionEnd()}))):t.updateProgress(w),t.updateActiveIndex(),t.updateSlidesClasses()}else if(i.freeModeSticky)return void t.slideToClosest();(!i.freeModeMomentum||u>=i.longSwipesMs)&&(t.updateProgress(),t.updateActiveIndex(),t.updateSlidesClasses())}else{for(var M=0,z=t.slidesSizesGrid[0],P=0;P<o.length;P+=i.slidesPerGroup)void 0!==o[P+i.slidesPerGroup]?p>=o[P]&&p<o[P+i.slidesPerGroup]&&(z=o[(M=P)+i.slidesPerGroup]-o[P]):p>=o[P]&&(M=P,z=o[o.length-1]-o[o.length-2]);var k=(p-o[M])/z;if(u>i.longSwipesMs){if(!i.longSwipes)return void t.slideTo(t.activeIndex);"next"===t.swipeDirection&&(k>=i.longSwipesRatio?t.slideTo(M+i.slidesPerGroup):t.slideTo(M)),"prev"===t.swipeDirection&&(k>1-i.longSwipesRatio?t.slideTo(M+i.slidesPerGroup):t.slideTo(M))}else{if(!i.shortSwipes)return void t.slideTo(t.activeIndex);"next"===t.swipeDirection&&t.slideTo(M+i.slidesPerGroup),"prev"===t.swipeDirection&&t.slideTo(M)}}}.bind(e),e.onClick=function(e){this.allowClick||(this.params.preventClicks&&e.preventDefault(),this.params.preventClicksPropagation&&this.animating&&(e.stopPropagation(),e.stopImmediatePropagation()))}.bind(e);var r="container"===t.touchEventsTarget?i:s,n=!!t.nested;if(te.touch||!te.pointerEvents&&!te.prefixedPointerEvents){if(te.touch){var o=!("touchstart"!==a.start||!te.passiveListener||!t.passiveListeners)&&{passive:!0,capture:!1};r.addEventListener(a.start,e.onTouchStart,o),r.addEventListener(a.move,e.onTouchMove,te.passiveListener?{passive:!1,capture:n}:n),r.addEventListener(a.end,e.onTouchEnd,o)}(t.simulateTouch&&!g.ios&&!g.android||t.simulateTouch&&!te.touch&&g.ios)&&(r.addEventListener("mousedown",e.onTouchStart,!1),f.addEventListener("mousemove",e.onTouchMove,n),f.addEventListener("mouseup",e.onTouchEnd,!1))}else r.addEventListener(a.start,e.onTouchStart,!1),f.addEventListener(a.move,e.onTouchMove,n),f.addEventListener(a.end,e.onTouchEnd,!1);(t.preventClicks||t.preventClicksPropagation)&&r.addEventListener("click",e.onClick,!0),e.on(g.ios||g.android?"resize orientationchange observerUpdate":"resize observerUpdate",b,!0)},detachEvents:function(){var e=this,t=e.params,a=e.touchEvents,i=e.el,s=e.wrapperEl,r="container"===t.touchEventsTarget?i:s,n=!!t.nested;if(te.touch||!te.pointerEvents&&!te.prefixedPointerEvents){if(te.touch){var o=!("onTouchStart"!==a.start||!te.passiveListener||!t.passiveListeners)&&{passive:!0,capture:!1};r.removeEventListener(a.start,e.onTouchStart,o),r.removeEventListener(a.move,e.onTouchMove,n),r.removeEventListener(a.end,e.onTouchEnd,o)}(t.simulateTouch&&!g.ios&&!g.android||t.simulateTouch&&!te.touch&&g.ios)&&(r.removeEventListener("mousedown",e.onTouchStart,!1),f.removeEventListener("mousemove",e.onTouchMove,n),f.removeEventListener("mouseup",e.onTouchEnd,!1))}else r.removeEventListener(a.start,e.onTouchStart,!1),f.removeEventListener(a.move,e.onTouchMove,n),f.removeEventListener(a.end,e.onTouchEnd,!1);(t.preventClicks||t.preventClicksPropagation)&&r.removeEventListener("click",e.onClick,!0),e.off(g.ios||g.android?"resize orientationchange observerUpdate":"resize observerUpdate",b)}},breakpoints:{setBreakpoint:function(){var e=this,t=e.activeIndex,a=e.initialized,i=e.loopedSlides;void 0===i&&(i=0);var s=e.params,r=s.breakpoints;if(r&&(!r||0!==Object.keys(r).length)){var n=e.getBreakpoint(r);if(n&&e.currentBreakpoint!==n){var o=n in r?r[n]:void 0;o&&["slidesPerView","spaceBetween","slidesPerGroup"].forEach(function(e){var t=o[e];void 0!==t&&(o[e]="slidesPerView"!==e||"AUTO"!==t&&"auto"!==t?"slidesPerView"===e?parseFloat(t):parseInt(t,10):"auto")});var l=o||e.originalParams,d=l.direction&&l.direction!==s.direction,p=s.loop&&(l.slidesPerView!==s.slidesPerView||d);d&&a&&e.changeDirection(),ee.extend(e.params,l),ee.extend(e,{allowTouchMove:e.params.allowTouchMove,allowSlideNext:e.params.allowSlideNext,allowSlidePrev:e.params.allowSlidePrev}),e.currentBreakpoint=n,p&&a&&(e.loopDestroy(),e.loopCreate(),e.updateSlides(),e.slideTo(t-i+e.loopedSlides,0,!1)),e.emit("breakpoint",l)}}},getBreakpoint:function(e){if(e){var t=!1,a=[];Object.keys(e).forEach(function(e){a.push(e)}),a.sort(function(e,t){return parseInt(e,10)-parseInt(t,10)});for(var i=0;i<a.length;i+=1){var s=a[i];this.params.breakpointsInverse?s<=J.innerWidth&&(t=s):s>=J.innerWidth&&!t&&(t=s)}return t||"max"}}},checkOverflow:{checkOverflow:function(){var e=this,t=e.isLocked;e.isLocked=1===e.snapGrid.length,e.allowSlideNext=!e.isLocked,e.allowSlidePrev=!e.isLocked,t!==e.isLocked&&e.emit(e.isLocked?"lock":"unlock"),t&&t!==e.isLocked&&(e.isEnd=!1,e.navigation.update())}},classes:{addClasses:function(){var t=this.classNames,a=this.params,e=this.rtl,i=this.$el,s=[];s.push("initialized"),s.push(a.direction),a.freeMode&&s.push("free-mode"),te.flexbox||s.push("no-flexbox"),a.autoHeight&&s.push("autoheight"),e&&s.push("rtl"),1<a.slidesPerColumn&&s.push("multirow"),g.android&&s.push("android"),g.ios&&s.push("ios"),(I.isIE||I.isEdge)&&(te.pointerEvents||te.prefixedPointerEvents)&&s.push("wp8-"+a.direction),s.forEach(function(e){t.push(a.containerModifierClass+e)}),i.addClass(t.join(" "))},removeClasses:function(){var e=this.$el,t=this.classNames;e.removeClass(t.join(" "))}},images:{loadImage:function(e,t,a,i,s,r){var n;function o(){r&&r()}e.complete&&s?o():t?((n=new J.Image).onload=o,n.onerror=o,i&&(n.sizes=i),a&&(n.srcset=a),t&&(n.src=t)):o()},preloadImages:function(){var e=this;function t(){null!=e&&e&&!e.destroyed&&(void 0!==e.imagesLoaded&&(e.imagesLoaded+=1),e.imagesLoaded===e.imagesToLoad.length&&(e.params.updateOnImagesReady&&e.update(),e.emit("imagesReady")))}e.imagesToLoad=e.$el.find("img");for(var a=0;a<e.imagesToLoad.length;a+=1){var i=e.imagesToLoad[a];e.loadImage(i,i.currentSrc||i.getAttribute("src"),i.srcset||i.getAttribute("srcset"),i.sizes||i.getAttribute("sizes"),!0,t)}}}},x={},T=function(u){function h(){for(var e,t,s,a=[],i=arguments.length;i--;)a[i]=arguments[i];1===a.length&&a[0].constructor&&a[0].constructor===Object?s=a[0]:(t=(e=a)[0],s=e[1]),s||(s={}),s=ee.extend({},s),t&&!s.el&&(s.el=t),u.call(this,s),Object.keys(y).forEach(function(t){Object.keys(y[t]).forEach(function(e){h.prototype[e]||(h.prototype[e]=y[t][e])})});var r=this;void 0===r.modules&&(r.modules={}),Object.keys(r.modules).forEach(function(e){var t=r.modules[e];if(t.params){var a=Object.keys(t.params)[0],i=t.params[a];if("object"!=typeof i||null===i)return;if(!(a in s&&"enabled"in i))return;!0===s[a]&&(s[a]={enabled:!0}),"object"!=typeof s[a]||"enabled"in s[a]||(s[a].enabled=!0),s[a]||(s[a]={enabled:!1})}});var n=ee.extend({},w);r.useModulesParams(n),r.params=ee.extend({},n,x,s),r.originalParams=ee.extend({},r.params),r.passedParams=ee.extend({},s);var o=(r.$=L)(r.params.el);if(t=o[0]){if(1<o.length){var l=[];return o.each(function(e,t){var a=ee.extend({},s,{el:t});l.push(new h(a))}),l}t.swiper=r,o.data("swiper",r);var d,p,c=o.children("."+r.params.wrapperClass);return ee.extend(r,{$el:o,el:t,$wrapperEl:c,wrapperEl:c[0],classNames:[],slides:L(),slidesGrid:[],snapGrid:[],slidesSizesGrid:[],isHorizontal:function(){return"horizontal"===r.params.direction},isVertical:function(){return"vertical"===r.params.direction},rtl:"rtl"===t.dir.toLowerCase()||"rtl"===o.css("direction"),rtlTranslate:"horizontal"===r.params.direction&&("rtl"===t.dir.toLowerCase()||"rtl"===o.css("direction")),wrongRTL:"-webkit-box"===c.css("display"),activeIndex:0,realIndex:0,isBeginning:!0,isEnd:!1,translate:0,previousTranslate:0,progress:0,velocity:0,animating:!1,allowSlideNext:r.params.allowSlideNext,allowSlidePrev:r.params.allowSlidePrev,touchEvents:(d=["touchstart","touchmove","touchend"],p=["mousedown","mousemove","mouseup"],te.pointerEvents?p=["pointerdown","pointermove","pointerup"]:te.prefixedPointerEvents&&(p=["MSPointerDown","MSPointerMove","MSPointerUp"]),r.touchEventsTouch={start:d[0],move:d[1],end:d[2]},r.touchEventsDesktop={start:p[0],move:p[1],end:p[2]},te.touch||!r.params.simulateTouch?r.touchEventsTouch:r.touchEventsDesktop),touchEventsData:{isTouched:void 0,isMoved:void 0,allowTouchCallbacks:void 0,touchStartTime:void 0,isScrolling:void 0,currentTranslate:void 0,startTranslate:void 0,allowThresholdMove:void 0,formElements:"input, select, option, textarea, button, video",lastClickTime:ee.now(),clickTimeout:void 0,velocities:[],allowMomentumBounce:void 0,isTouchEvent:void 0,startMoving:void 0},allowClick:!0,allowTouchMove:r.params.allowTouchMove,touches:{startX:0,startY:0,currentX:0,currentY:0,diff:0},imagesToLoad:[],imagesLoaded:0}),r.useModules(),r.params.init&&r.init(),r}}u&&(h.__proto__=u);var e={extendedDefaults:{configurable:!0},defaults:{configurable:!0},Class:{configurable:!0},$:{configurable:!0}};return((h.prototype=Object.create(u&&u.prototype)).constructor=h).prototype.slidesPerViewDynamic=function(){var e=this,t=e.params,a=e.slides,i=e.slidesGrid,s=e.size,r=e.activeIndex,n=1;if(t.centeredSlides){for(var o,l=a[r].swiperSlideSize,d=r+1;d<a.length;d+=1)a[d]&&!o&&(n+=1,s<(l+=a[d].swiperSlideSize)&&(o=!0));for(var p=r-1;0<=p;p-=1)a[p]&&!o&&(n+=1,s<(l+=a[p].swiperSlideSize)&&(o=!0))}else for(var c=r+1;c<a.length;c+=1)i[c]-i[r]<s&&(n+=1);return n},h.prototype.update=function(){var a=this;if(a&&!a.destroyed){var e=a.snapGrid,t=a.params;t.breakpoints&&a.setBreakpoint(),a.updateSize(),a.updateSlides(),a.updateProgress(),a.updateSlidesClasses(),a.params.freeMode?(i(),a.params.autoHeight&&a.updateAutoHeight()):(("auto"===a.params.slidesPerView||1<a.params.slidesPerView)&&a.isEnd&&!a.params.centeredSlides?a.slideTo(a.slides.length-1,0,!1,!0):a.slideTo(a.activeIndex,0,!1,!0))||i(),t.watchOverflow&&e!==a.snapGrid&&a.checkOverflow(),a.emit("update")}function i(){var e=a.rtlTranslate?-1*a.translate:a.translate,t=Math.min(Math.max(e,a.maxTranslate()),a.minTranslate());a.setTranslate(t),a.updateActiveIndex(),a.updateSlidesClasses()}},h.prototype.changeDirection=function(a,e){void 0===e&&(e=!0);var t=this,i=t.params.direction;return a||(a="horizontal"===i?"vertical":"horizontal"),a===i||"horizontal"!==a&&"vertical"!==a||("vertical"===i&&(t.$el.removeClass(t.params.containerModifierClass+"vertical wp8-vertical").addClass(""+t.params.containerModifierClass+a),(I.isIE||I.isEdge)&&(te.pointerEvents||te.prefixedPointerEvents)&&t.$el.addClass(t.params.containerModifierClass+"wp8-"+a)),"horizontal"===i&&(t.$el.removeClass(t.params.containerModifierClass+"horizontal wp8-horizontal").addClass(""+t.params.containerModifierClass+a),(I.isIE||I.isEdge)&&(te.pointerEvents||te.prefixedPointerEvents)&&t.$el.addClass(t.params.containerModifierClass+"wp8-"+a)),t.params.direction=a,t.slides.each(function(e,t){"vertical"===a?t.style.width="":t.style.height=""}),t.emit("changeDirection"),e&&t.update()),t},h.prototype.init=function(){var e=this;e.initialized||(e.emit("beforeInit"),e.params.breakpoints&&e.setBreakpoint(),e.addClasses(),e.params.loop&&e.loopCreate(),e.updateSize(),e.updateSlides(),e.params.watchOverflow&&e.checkOverflow(),e.params.grabCursor&&e.setGrabCursor(),e.params.preloadImages&&e.preloadImages(),e.params.loop?e.slideTo(e.params.initialSlide+e.loopedSlides,0,e.params.runCallbacksOnInit):e.slideTo(e.params.initialSlide,0,e.params.runCallbacksOnInit),e.attachEvents(),e.initialized=!0,e.emit("init"))},h.prototype.destroy=function(e,t){void 0===e&&(e=!0),void 0===t&&(t=!0);var a=this,i=a.params,s=a.$el,r=a.$wrapperEl,n=a.slides;return void 0===a.params||a.destroyed||(a.emit("beforeDestroy"),a.initialized=!1,a.detachEvents(),i.loop&&a.loopDestroy(),t&&(a.removeClasses(),s.removeAttr("style"),r.removeAttr("style"),n&&n.length&&n.removeClass([i.slideVisibleClass,i.slideActiveClass,i.slideNextClass,i.slidePrevClass].join(" 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S=[],C=[];if(e)t.$wrapperEl.find("."+t.params.slideClass).remove();else for(var M=p;M<=c;M+=1)(M<y||x<M)&&t.$wrapperEl.find("."+t.params.slideClass+'[data-swiper-slide-index="'+M+'"]').remove();for(var z=0;z<u.length;z+=1)y<=z&&z<=x&&(void 0===c||e?C.push(z):(c<z&&C.push(z),z<p&&S.push(z)));C.forEach(function(e){t.$wrapperEl.append(v(u[e],e))}),S.sort(function(e,t){return t-e}).forEach(function(e){t.$wrapperEl.prepend(v(u[e],e))}),t.$wrapperEl.children(".swiper-slide").css(m,T+"px"),E()},renderSlide:function(e,t){var a=this,i=a.params.virtual;if(i.cache&&a.virtual.cache[t])return a.virtual.cache[t];var s=i.renderSlide?L(i.renderSlide.call(a,e,t)):L('<div class="'+a.params.slideClass+'" data-swiper-slide-index="'+t+'">'+e+"</div>");return s.attr("data-swiper-slide-index")||s.attr("data-swiper-slide-index",t),i.cache&&(a.virtual.cache[t]=s),s},appendSlide:function(e){if("object"==typeof e&&"length"in e)for(var t=0;t<e.length;t+=1)e[t]&&this.virtual.slides.push(e[t]);else this.virtual.slides.push(e);this.virtual.update(!0)},prependSlide:function(e){var t=this,a=t.activeIndex,i=a+1,s=1;if(Array.isArray(e)){for(var r=0;r<e.length;r+=1)e[r]&&t.virtual.slides.unshift(e[r]);i=a+e.length,s=e.length}else t.virtual.slides.unshift(e);if(t.params.virtual.cache){var n=t.virtual.cache,o={};Object.keys(n).forEach(function(e){o[parseInt(e,10)+s]=n[e]}),t.virtual.cache=o}t.virtual.update(!0),t.slideTo(i,0)},removeSlide:function(e){var t=this;if(null!=e){var a=t.activeIndex;if(Array.isArray(e))for(var i=e.length-1;0<=i;i-=1)t.virtual.slides.splice(e[i],1),t.params.virtual.cache&&delete t.virtual.cache[e[i]],e[i]<a&&(a-=1),a=Math.max(a,0);else t.virtual.slides.splice(e,1),t.params.virtual.cache&&delete t.virtual.cache[e],e<a&&(a-=1),a=Math.max(a,0);t.virtual.update(!0),t.slideTo(a,0)}},removeAllSlides:function(){var e=this;e.virtual.slides=[],e.params.virtual.cache&&(e.virtual.cache={}),e.virtual.update(!0),e.slideTo(0,0)}},$={name:"virtual",params:{virtual:{enabled:!1,slides:[],cache:!0,renderSlide:null,renderExternal:null,addSlidesBefore:0,addSlidesAfter:0}},create:function(){var e=this;ee.extend(e,{virtual:{update:k.update.bind(e),appendSlide:k.appendSlide.bind(e),prependSlide:k.prependSlide.bind(e),removeSlide:k.removeSlide.bind(e),removeAllSlides:k.removeAllSlides.bind(e),renderSlide:k.renderSlide.bind(e),slides:e.params.virtual.slides,cache:{}}})},on:{beforeInit:function(){var e=this;if(e.params.virtual.enabled){e.classNames.push(e.params.containerModifierClass+"virtual");var t={watchSlidesProgress:!0};ee.extend(e.params,t),ee.extend(e.originalParams,t),e.params.initialSlide||e.virtual.update()}},setTranslate:function(){this.params.virtual.enabled&&this.virtual.update()}}},D={handle:function(e){var t=this,a=t.rtlTranslate,i=e;i.originalEvent&&(i=i.originalEvent);var s=i.keyCode||i.charCode;if(!t.allowSlideNext&&(t.isHorizontal()&&39===s||t.isVertical()&&40===s))return!1;if(!t.allowSlidePrev&&(t.isHorizontal()&&37===s||t.isVertical()&&38===s))return!1;if(!(i.shiftKey||i.altKey||i.ctrlKey||i.metaKey||f.activeElement&&f.activeElement.nodeName&&("input"===f.activeElement.nodeName.toLowerCase()||"textarea"===f.activeElement.nodeName.toLowerCase()))){if(t.params.keyboard.onlyInViewport&&(37===s||39===s||38===s||40===s)){var r=!1;if(0<t.$el.parents("."+t.params.slideClass).length&&0===t.$el.parents("."+t.params.slideActiveClass).length)return;var n=J.innerWidth,o=J.innerHeight,l=t.$el.offset();a&&(l.left-=t.$el[0].scrollLeft);for(var d=[[l.left,l.top],[l.left+t.width,l.top],[l.left,l.top+t.height],[l.left+t.width,l.top+t.height]],p=0;p<d.length;p+=1){var 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A={lastScrollTime:ee.now(),event:-1<J.navigator.userAgent.indexOf("firefox")?"DOMMouseScroll":function(){var e="onwheel",t=e in f;if(!t){var a=f.createElement("div");a.setAttribute(e,"return;"),t="function"==typeof a[e]}return!t&&f.implementation&&f.implementation.hasFeature&&!0!==f.implementation.hasFeature("","")&&(t=f.implementation.hasFeature("Events.wheel","3.0")),t}()?"wheel":"mousewheel",normalize:function(e){var t=0,a=0,i=0,s=0;return"detail"in e&&(a=e.detail),"wheelDelta"in e&&(a=-e.wheelDelta/120),"wheelDeltaY"in e&&(a=-e.wheelDeltaY/120),"wheelDeltaX"in e&&(t=-e.wheelDeltaX/120),"axis"in e&&e.axis===e.HORIZONTAL_AXIS&&(t=a,a=0),i=10*t,s=10*a,"deltaY"in e&&(s=e.deltaY),"deltaX"in e&&(i=e.deltaX),(i||s)&&e.deltaMode&&(1===e.deltaMode?(i*=40,s*=40):(i*=800,s*=800)),i&&!t&&(t=i<1?-1:1),s&&!a&&(a=s<1?-1:1),{spinX:t,spinY:a,pixelX:i,pixelY:s}},handleMouseEnter:function(){this.mouseEntered=!0},handleMouseLeave:function(){this.mouseEntered=!1},handle:function(e){var t=e,a=this,i=a.params.mousewheel;if(!a.mouseEntered&&!i.releaseOnEdges)return!0;t.originalEvent&&(t=t.originalEvent);var s=0,r=a.rtlTranslate?-1:1,n=A.normalize(t);if(i.forceToAxis)if(a.isHorizontal()){if(!(Math.abs(n.pixelX)>Math.abs(n.pixelY)))return!0;s=n.pixelX*r}else{if(!(Math.abs(n.pixelY)>Math.abs(n.pixelX)))return!0;s=n.pixelY}else s=Math.abs(n.pixelX)>Math.abs(n.pixelY)?-n.pixelX*r:-n.pixelY;if(0===s)return!0;if(i.invert&&(s=-s),a.params.freeMode){a.params.loop&&a.loopFix();var o=a.getTranslate()+s*i.sensitivity,l=a.isBeginning,d=a.isEnd;if(o>=a.minTranslate()&&(o=a.minTranslate()),o<=a.maxTranslate()&&(o=a.maxTranslate()),a.setTransition(0),a.setTranslate(o),a.updateProgress(),a.updateActiveIndex(),a.updateSlidesClasses(),(!l&&a.isBeginning||!d&&a.isEnd)&&a.updateSlidesClasses(),a.params.freeModeSticky&&(clearTimeout(a.mousewheel.timeout),a.mousewheel.timeout=ee.nextTick(function(){a.slideToClosest()},300)),a.emit("scroll",t),a.params.autoplay&&a.params.autoplayDisableOnInteraction&&a.autoplay.stop(),o===a.minTranslate()||o===a.maxTranslate())return!0}else{if(60<ee.now()-a.mousewheel.lastScrollTime)if(s<0)if(a.isEnd&&!a.params.loop||a.animating){if(i.releaseOnEdges)return!0}else a.slideNext(),a.emit("scroll",t);else if(a.isBeginning&&!a.params.loop||a.animating){if(i.releaseOnEdges)return!0}else a.slidePrev(),a.emit("scroll",t);a.mousewheel.lastScrollTime=(new J.Date).getTime()}return t.preventDefault?t.preventDefault():t.returnValue=!1,!1},enable:function(){var e=this;if(!A.event)return!1;if(e.mousewheel.enabled)return!1;var t=e.$el;return"container"!==e.params.mousewheel.eventsTarged&&(t=L(e.params.mousewheel.eventsTarged)),t.on("mouseenter",e.mousewheel.handleMouseEnter),t.on("mouseleave",e.mousewheel.handleMouseLeave),t.on(A.event,e.mousewheel.handle),e.mousewheel.enabled=!0},disable:function(){var e=this;if(!A.event)return!1;if(!e.mousewheel.enabled)return!1;var t=e.$el;return"container"!==e.params.mousewheel.eventsTarged&&(t=L(e.params.mousewheel.eventsTarged)),t.off(A.event,e.mousewheel.handle),!(e.mousewheel.enabled=!1)}},H={update:function(){var e=this,t=e.params.navigation;if(!e.params.loop){var a=e.navigation,i=a.$nextEl,s=a.$prevEl;s&&0<s.length&&(e.isBeginning?s.addClass(t.disabledClass):s.removeClass(t.disabledClass),s[e.params.watchOverflow&&e.isLocked?"addClass":"removeClass"](t.lockClass)),i&&0<i.length&&(e.isEnd?i.addClass(t.disabledClass):i.removeClass(t.disabledClass),i[e.params.watchOverflow&&e.isLocked?"addClass":"removeClass"](t.lockClass))}},onPrevClick:function(e){e.preventDefault(),this.isBeginning&&!this.params.loop||this.slidePrev()},onNextClick:function(e){e.preventDefault(),this.isEnd&&!this.params.loop||this.slideNext()},init:function(){var e,t,a=this,i=a.params.navigation;(i.nextEl||i.prevEl)&&(i.nextEl&&(e=L(i.nextEl),a.params.uniqueNavElements&&"string"==typeof i.nextEl&&1<e.length&&1===a.$el.find(i.nextEl).length&&(e=a.$el.find(i.nextEl))),i.prevEl&&(t=L(i.prevEl),a.params.uniqueNavElements&&"string"==typeof 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r,a=e.virtual&&e.params.virtual.enabled?e.virtual.slides.length:e.slides.length,i=e.pagination.$el,n=e.params.loop?Math.ceil((a-2*e.loopedSlides)/e.params.slidesPerGroup):e.snapGrid.length;if(e.params.loop?((r=Math.ceil((e.activeIndex-e.loopedSlides)/e.params.slidesPerGroup))>a-1-2*e.loopedSlides&&(r-=a-2*e.loopedSlides),n-1<r&&(r-=n),r<0&&"bullets"!==e.params.paginationType&&(r=n+r)):r=void 0!==e.snapIndex?e.snapIndex:e.activeIndex||0,"bullets"===s.type&&e.pagination.bullets&&0<e.pagination.bullets.length){var o,l,d,p=e.pagination.bullets;if(s.dynamicBullets&&(e.pagination.bulletSize=p.eq(0)[e.isHorizontal()?"outerWidth":"outerHeight"](!0),i.css(e.isHorizontal()?"width":"height",e.pagination.bulletSize*(s.dynamicMainBullets+4)+"px"),1<s.dynamicMainBullets&&void 0!==e.previousIndex&&(e.pagination.dynamicBulletIndex+=r-e.previousIndex,e.pagination.dynamicBulletIndex>s.dynamicMainBullets-1?e.pagination.dynamicBulletIndex=s.dynamicMainBullets-1:e.pagination.dynamicBulletIndex<0&&(e.pagination.dynamicBulletIndex=0)),o=r-e.pagination.dynamicBulletIndex,d=((l=o+(Math.min(p.length,s.dynamicMainBullets)-1))+o)/2),p.removeClass(s.bulletActiveClass+" "+s.bulletActiveClass+"-next "+s.bulletActiveClass+"-next-next "+s.bulletActiveClass+"-prev "+s.bulletActiveClass+"-prev-prev "+s.bulletActiveClass+"-main"),1<i.length)p.each(function(e,t){var a=L(t),i=a.index();i===r&&a.addClass(s.bulletActiveClass),s.dynamicBullets&&(o<=i&&i<=l&&a.addClass(s.bulletActiveClass+"-main"),i===o&&a.prev().addClass(s.bulletActiveClass+"-prev").prev().addClass(s.bulletActiveClass+"-prev-prev"),i===l&&a.next().addClass(s.bulletActiveClass+"-next").next().addClass(s.bulletActiveClass+"-next-next"))});else if(p.eq(r).addClass(s.bulletActiveClass),s.dynamicBullets){for(var c=p.eq(o),u=p.eq(l),h=o;h<=l;h+=1)p.eq(h).addClass(s.bulletActiveClass+"-main");c.prev().addClass(s.bulletActiveClass+"-prev").prev().addClass(s.bulletActiveClass+"-prev-prev"),u.next().addClass(s.bulletActiveClass+"-next").next().addClass(s.bulletActiveClass+"-next-next")}if(s.dynamicBullets){var v=Math.min(p.length,s.dynamicMainBullets+4),f=(e.pagination.bulletSize*v-e.pagination.bulletSize)/2-d*e.pagination.bulletSize,m=t?"right":"left";p.css(e.isHorizontal()?m:"top",f+"px")}}if("fraction"===s.type&&(i.find("."+s.currentClass).text(s.formatFractionCurrent(r+1)),i.find("."+s.totalClass).text(s.formatFractionTotal(n))),"progressbar"===s.type){var g;g=s.progressbarOpposite?e.isHorizontal()?"vertical":"horizontal":e.isHorizontal()?"horizontal":"vertical";var b=(r+1)/n,w=1,y=1;"horizontal"===g?w=b:y=b,i.find("."+s.progressbarFillClass).transform("translate3d(0,0,0) scaleX("+w+") 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n=e.slides.eq(r).prevAll('[data-swiper-slide-index="'+s+'"]').eq(0).index(),o=e.slides.eq(r).nextAll('[data-swiper-slide-index="'+s+'"]').eq(0).index();s=void 0===n?o:void 0===o?n:o-r<r-n?o:n}e.slideTo(s)}}},update:function(e){var t=this,a=t.thumbs.swiper;if(a){var i="auto"===a.params.slidesPerView?a.slidesPerViewDynamic():a.params.slidesPerView;if(t.realIndex!==a.realIndex){var s,r=a.activeIndex;if(a.params.loop){a.slides.eq(r).hasClass(a.params.slideDuplicateClass)&&(a.loopFix(),a._clientLeft=a.$wrapperEl[0].clientLeft,r=a.activeIndex);var n=a.slides.eq(r).prevAll('[data-swiper-slide-index="'+t.realIndex+'"]').eq(0).index(),o=a.slides.eq(r).nextAll('[data-swiper-slide-index="'+t.realIndex+'"]').eq(0).index();s=void 0===n?o:void 0===o?n:o-r==r-n?r:o-r<r-n?o:n}else s=t.realIndex;a.visibleSlidesIndexes.indexOf(s)<0&&(a.params.centeredSlides?s=r<s?s-Math.floor(i/2)+1:s+Math.floor(i/2)-1:r<s&&(s=s-i+1),a.slideTo(s,e?0:void 0))}var l=1,d=t.params.thumbs.slideThumbActiveClass;if(1<t.params.slidesPerView&&!t.params.centeredSlides&&(l=t.params.slidesPerView),a.slides.removeClass(d),a.params.loop)for(var p=0;p<l;p+=1)a.$wrapperEl.children('[data-swiper-slide-index="'+(t.realIndex+p)+'"]').addClass(d);else for(var c=0;c<l;c+=1)a.slides.eq(t.realIndex+c).addClass(d)}}},Q=[E,S,C,M,P,$,O,{name:"mousewheel",params:{mousewheel:{enabled:!1,releaseOnEdges:!1,invert:!1,forceToAxis:!1,sensitivity:1,eventsTarged:"container"}},create:function(){var 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t,a=this,i=a.navigation,s=i.$nextEl,r=i.$prevEl;!a.params.navigation.hideOnClick||L(e.target).is(r)||L(e.target).is(s)||(s?t=s.hasClass(a.params.navigation.hiddenClass):r&&(t=r.hasClass(a.params.navigation.hiddenClass)),!0===t?a.emit("navigationShow",a):a.emit("navigationHide",a),s&&s.toggleClass(a.params.navigation.hiddenClass),r&&r.toggleClass(a.params.navigation.hiddenClass))}}},{name:"pagination",params:{pagination:{el:null,bulletElement:"span",clickable:!1,hideOnClick:!1,renderBullet:null,renderProgressbar:null,renderFraction:null,renderCustom:null,progressbarOpposite:!1,type:"bullets",dynamicBullets:!1,dynamicMainBullets:1,formatFractionCurrent:function(e){return e},formatFractionTotal:function(e){return e},bulletClass:"swiper-pagination-bullet",bulletActiveClass:"swiper-pagination-bullet-active",modifierClass:"swiper-pagination-",currentClass:"swiper-pagination-current",totalClass:"swiper-pagination-total",hiddenClass:"swiper-pagination-hidden",progressbarFillClass:"swiper-pagination-progressbar-fill",progressbarOppositeClass:"swiper-pagination-progressbar-opposite",clickableClass:"swiper-pagination-clickable",lockClass:"swiper-pagination-lock"}},create:function(){var e=this;ee.extend(e,{pagination:{init:N.init.bind(e),render:N.render.bind(e),update:N.update.bind(e),destroy:N.destroy.bind(e),dynamicBulletIndex:0}})},on:{init:function(){this.pagination.init(),this.pagination.render(),this.pagination.update()},activeIndexChange:function(){this.params.loop?this.pagination.update():void 0===this.snapIndex&&this.pagination.update()},snapIndexChange:function(){this.params.loop||this.pagination.update()},slidesLengthChange:function(){this.params.loop&&(this.pagination.render(),this.pagination.update())},snapGridLengthChange:function(){this.params.loop||(this.pagination.render(),this.pagination.update())},destroy:function(){this.pagination.destroy()},click:function(e){var t=this;t.params.pagination.el&&t.params.pagination.hideOnClick&&0<t.pagination.$el.length&&!L(e.target).hasClass(t.params.pagination.bulletClass)&&(!0===t.pagination.$el.hasClass(t.params.pagination.hiddenClass)?t.emit("paginationShow",t):t.emit("paginationHide",t),t.pagination.$el.toggleClass(t.params.pagination.hiddenClass))}}},{name:"scrollbar",params:{scrollbar:{el:null,dragSize:"auto",hide:!1,draggable:!1,snapOnRelease:!0,lockClass:"swiper-scrollbar-lock",dragClass:"swiper-scrollbar-drag"}},create:function(){var e=this;ee.extend(e,{scrollbar:{init:G.init.bind(e),destroy:G.destroy.bind(e),updateSize:G.updateSize.bind(e),setTranslate:G.setTranslate.bind(e),setTransition:G.setTransition.bind(e),enableDraggable:G.enableDraggable.bind(e),disableDraggable:G.disableDraggable.bind(e),setDragPosition:G.setDragPosition.bind(e),onDragStart:G.onDragStart.bind(e),onDragMove:G.onDragMove.bind(e),onDragEnd:G.onDragEnd.bind(e),isTouched:!1,timeout:null,dragTimeout:null}})},on:{init:function(){this.scrollbar.init(),this.scrollbar.updateSize(),this.scrollbar.setTranslate()},update:function(){this.scrollbar.updateSize()},resize:function(){this.scrollbar.updateSize()},observerUpdate:function(){this.scrollbar.updateSize()},setTranslate:function(){this.scrollbar.setTranslate()},setTransition:function(e){this.scrollbar.setTransition(e)},destroy:function(){this.scrollbar.destroy()}}},{name:"parallax",params:{parallax:{enabled:!1}},create:function(){ee.extend(this,{parallax:{setTransform:B.setTransform.bind(this),setTranslate:B.setTranslate.bind(this),setTransition:B.setTransition.bind(this)}})},on:{beforeInit:function(){this.params.parallax.enabled&&(this.params.watchSlidesProgress=!0,this.originalParams.watchSlidesProgress=!0)},init:function(){this.params.parallax.enabled&&this.parallax.setTranslate()},setTranslate:function(){this.params.parallax.enabled&&this.parallax.setTranslate()},setTransition:function(e){this.params.parallax.enabled&&this.parallax.setTransition(e)}}},{name:"zoom",params:{zoom:{enabled:!1,maxRatio:3,minRatio:1,toggle:!0,containerClass:"swiper-zoom-container",zoomedSlideClass:"swiper-slide-zoomed"}},create:function(){var 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0;i.emit("zoomChange",e,t,a)}s=e}})},on:{init:function(){this.params.zoom.enabled&&this.zoom.enable()},destroy:function(){this.zoom.disable()},touchStart:function(e){this.zoom.enabled&&this.zoom.onTouchStart(e)},touchEnd:function(e){this.zoom.enabled&&this.zoom.onTouchEnd(e)},doubleTap:function(e){this.params.zoom.enabled&&this.zoom.enabled&&this.params.zoom.toggle&&this.zoom.toggle(e)},transitionEnd:function(){this.zoom.enabled&&this.params.zoom.enabled&&this.zoom.onTransitionEnd()}}},{name:"lazy",params:{lazy:{enabled:!1,loadPrevNext:!1,loadPrevNextAmount:1,loadOnTransitionStart:!1,elementClass:"swiper-lazy",loadingClass:"swiper-lazy-loading",loadedClass:"swiper-lazy-loaded",preloaderClass:"swiper-lazy-preloader"}},create:function(){ee.extend(this,{lazy:{initialImageLoaded:!1,load:Y.load.bind(this),loadInSlide:Y.loadInSlide.bind(this)}})},on:{beforeInit:function(){this.params.lazy.enabled&&this.params.preloadImages&&(this.params.preloadImages=!1)},init:function(){this.params.lazy.enabled&&!this.params.loop&&0===this.params.initialSlide&&this.lazy.load()},scroll:function(){this.params.freeMode&&!this.params.freeModeSticky&&this.lazy.load()},resize:function(){this.params.lazy.enabled&&this.lazy.load()},scrollbarDragMove:function(){this.params.lazy.enabled&&this.lazy.load()},transitionStart:function(){var e=this;e.params.lazy.enabled&&(e.params.lazy.loadOnTransitionStart||!e.params.lazy.loadOnTransitionStart&&!e.lazy.initialImageLoaded)&&e.lazy.load()},transitionEnd:function(){this.params.lazy.enabled&&!this.params.lazy.loadOnTransitionStart&&this.lazy.load()}}},{name:"controller",params:{controller:{control:void 0,inverse:!1,by:"slide"}},create:function(){var e=this;ee.extend(e,{controller:{control:e.params.controller.control,getInterpolateFunction:V.getInterpolateFunction.bind(e),setTranslate:V.setTranslate.bind(e),setTransition:V.setTransition.bind(e)}})},on:{update:function(){this.controller.control&&this.controller.spline&&(this.controller.spline=void 0,delete this.controller.spline)},resize:function(){this.controller.control&&this.controller.spline&&(this.controller.spline=void 0,delete this.controller.spline)},observerUpdate:function(){this.controller.control&&this.controller.spline&&(this.controller.spline=void 0,delete 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e=this;ee.extend(e,{history:{init:R.init.bind(e),setHistory:R.setHistory.bind(e),setHistoryPopState:R.setHistoryPopState.bind(e),scrollToSlide:R.scrollToSlide.bind(e),destroy:R.destroy.bind(e)}})},on:{init:function(){this.params.history.enabled&&this.history.init()},destroy:function(){this.params.history.enabled&&this.history.destroy()},transitionEnd:function(){this.history.initialized&&this.history.setHistory(this.params.history.key,this.activeIndex)}}},{name:"hash-navigation",params:{hashNavigation:{enabled:!1,replaceState:!1,watchState:!1}},create:function(){var e=this;ee.extend(e,{hashNavigation:{initialized:!1,init:q.init.bind(e),destroy:q.destroy.bind(e),setHash:q.setHash.bind(e),onHashCange:q.onHashCange.bind(e)}})},on:{init:function(){this.params.hashNavigation.enabled&&this.hashNavigation.init()},destroy:function(){this.params.hashNavigation.enabled&&this.hashNavigation.destroy()},transitionEnd:function(){this.hashNavigation.initialized&&this.hashNavigation.setHash()}}},{name:"autoplay",params:{autoplay:{enabled:!1,delay:3e3,waitForTransition:!0,disableOnInteraction:!0,stopOnLastSlide:!1,reverseDirection:!1}},create:function(){var t=this;ee.extend(t,{autoplay:{running:!1,paused:!1,run:W.run.bind(t),start:W.start.bind(t),stop:W.stop.bind(t),pause:W.pause.bind(t),onTransitionEnd:function(e){t&&!t.destroyed&&t.$wrapperEl&&e.target===this&&(t.$wrapperEl[0].removeEventListener("transitionend",t.autoplay.onTransitionEnd),t.$wrapperEl[0].removeEventListener("webkitTransitionEnd",t.autoplay.onTransitionEnd),t.autoplay.paused=!1,t.autoplay.running?t.autoplay.run():t.autoplay.stop())}}})},on:{init:function(){this.params.autoplay.enabled&&this.autoplay.start()},beforeTransitionStart:function(e,t){this.autoplay.running&&(t||!this.params.autoplay.disableOnInteraction?this.autoplay.pause(e):this.autoplay.stop())},sliderFirstMove:function(){this.autoplay.running&&(this.params.autoplay.disableOnInteraction?this.autoplay.stop():this.autoplay.pause())},destroy:function(){this.autoplay.running&&this.autoplay.stop()}}},{name:"effect-fade",params:{fadeEffect:{crossFade:!1}},create:function(){ee.extend(this,{fadeEffect:{setTranslate:j.setTranslate.bind(this),setTransition:j.setTransition.bind(this)}})},on:{beforeInit:function(){var e=this;if("fade"===e.params.effect){e.classNames.push(e.params.containerModifierClass+"fade");var t={slidesPerView:1,slidesPerColumn:1,slidesPerGroup:1,watchSlidesProgress:!0,spaceBetween:0,virtualTranslate:!0};ee.extend(e.params,t),ee.extend(e.originalParams,t)}},setTranslate:function(){"fade"===this.params.effect&&this.fadeEffect.setTranslate()},setTransition:function(e){"fade"===this.params.effect&&this.fadeEffect.setTransition(e)}}},{name:"effect-cube",params:{cubeEffect:{slideShadows:!0,shadow:!0,shadowOffset:20,shadowScale:.94}},create:function(){ee.extend(this,{cubeEffect:{setTranslate:U.setTranslate.bind(this),setTransition:U.setTransition.bind(this)}})},on:{beforeInit:function(){var e=this;if("cube"===e.params.effect){e.classNames.push(e.params.containerModifierClass+"cube"),e.classNames.push(e.params.containerModifierClass+"3d");var t={slidesPerView:1,slidesPerColumn:1,slidesPerGroup:1,watchSlidesProgress:!0,resistanceRatio:0,spaceBetween:0,centeredSlides:!1,virtualTranslate:!0};ee.extend(e.params,t),ee.extend(e.originalParams,t)}},setTranslate:function(){"cube"===this.params.effect&&this.cubeEffect.setTranslate()},setTransition:function(e){"cube"===this.params.effect&&this.cubeEffect.setTransition(e)}}},{name:"effect-flip",params:{flipEffect:{slideShadows:!0,limitRotation:!0}},create:function(){ee.extend(this,{flipEffect:{setTranslate:K.setTranslate.bind(this),setTransition:K.setTransition.bind(this)}})},on:{beforeInit:function(){var e=this;if("flip"===e.params.effect){e.classNames.push(e.params.containerModifierClass+"flip"),e.classNames.push(e.params.containerModifierClass+"3d");var t={slidesPerView:1,slidesPerColumn:1,slidesPerGroup:1,watchSlidesProgress:!0,spaceBetween:0,virtualTranslate:!0};ee.extend(e.params,t),ee.extend(e.originalParams,t)}},setTranslate:function(){"flip"===this.params.effect&&this.flipEffect.setTranslate()},setTransition:function(e){"flip"===this.params.effect&&this.flipEffect.setTransition(e)}}},{name:"effect-coverflow",params:{coverflowEffect:{rotate:50,stretch:0,depth:100,modifier:1,slideShadows:!0}},create:function(){ee.extend(this,{coverflowEffect:{setTranslate:_.setTranslate.bind(this),setTransition:_.setTransition.bind(this)}})},on:{beforeInit:function(){var e=this;"coverflow"===e.params.effect&&(e.classNames.push(e.params.containerModifierClass+"coverflow"),e.classNames.push(e.params.containerModifierClass+"3d"),e.params.watchSlidesProgress=!0,e.originalParams.watchSlidesProgress=!0)},setTranslate:function(){"coverflow"===this.params.effect&&this.coverflowEffect.setTranslate()},setTransition:function(e){"coverflow"===this.params.effect&&this.coverflowEffect.setTransition(e)}}},{name:"thumbs",params:{thumbs:{swiper:null,slideThumbActiveClass:"swiper-slide-thumb-active",thumbsContainerClass:"swiper-container-thumbs"}},create:function(){ee.extend(this,{thumbs:{swiper:null,init:Z.init.bind(this),update:Z.update.bind(this),onThumbClick:Z.onThumbClick.bind(this)}})},on:{beforeInit:function(){var e=this.params.thumbs;e&&e.swiper&&(this.thumbs.init(),this.thumbs.update(!0))},slideChange:function(){this.thumbs.swiper&&this.thumbs.update()},update:function(){this.thumbs.swiper&&this.thumbs.update()},resize:function(){this.thumbs.swiper&&this.thumbs.update()},observerUpdate:function(){this.thumbs.swiper&&this.thumbs.update()},setTransition:function(e){var t=this.thumbs.swiper;t&&t.setTransition(e)},beforeDestroy:function(){var e=this.thumbs.swiper;e&&this.thumbs.swiperCreated&&e&&e.destroy()}}}];return void 0===T.use&&(T.use=T.Class.use,T.installModule=T.Class.installModule),T.use(Q),T});
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t||!n?t:(this._longDateFormat[e]=n.replace(/MMMM|MM|DD|dddd/g,function(e){return e.slice(1)}),this._longDateFormat[e])},yn.invalidDate=function(){return this._invalidDate},yn.ordinal=function(e){return this._ordinal.replace("%d",e)},yn.preparse=_n,yn.postformat=_n,yn.relativeTime=function(e,t,n,s){var i=this._relativeTime[n];return b(i)?i(e,t,n,s):i.replace(/%d/i,e)},yn.pastFuture=function(e,t){var n=this._relativeTime[0<e?"future":"past"];return b(n)?n(t):n.replace(/%s/i,t)},yn.set=function(e){var t,n;for(n in e)b(t=e[n])?this[n]=t:this["_"+n]=t;this._config=e,this._dayOfMonthOrdinalParseLenient=new RegExp((this._dayOfMonthOrdinalParse.source||this._ordinalParse.source)+"|"+/\d{1,2}/.source)},yn.months=function(e,t){return e?o(this._months)?this._months[e.month()]:this._months[(this._months.isFormat||We).test(t)?"format":"standalone"][e.month()]:o(this._months)?this._months:this._months.standalone},yn.monthsShort=function(e,t){return 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n?"MMM"===t?-1!==(i=Ye.call(this._shortMonthsParse,a))?i:null:-1!==(i=Ye.call(this._longMonthsParse,a))?i:null:"MMM"===t?-1!==(i=Ye.call(this._shortMonthsParse,a))?i:-1!==(i=Ye.call(this._longMonthsParse,a))?i:null:-1!==(i=Ye.call(this._longMonthsParse,a))?i:-1!==(i=Ye.call(this._shortMonthsParse,a))?i:null}.call(this,e,t,n);for(this._monthsParse||(this._monthsParse=[],this._longMonthsParse=[],this._shortMonthsParse=[]),s=0;s<12;s++){if(i=y([2e3,s]),n&&!this._longMonthsParse[s]&&(this._longMonthsParse[s]=new RegExp("^"+this.months(i,"").replace(".","")+"$","i"),this._shortMonthsParse[s]=new RegExp("^"+this.monthsShort(i,"").replace(".","")+"$","i")),n||this._monthsParse[s]||(r="^"+this.months(i,"")+"|^"+this.monthsShort(i,""),this._monthsParse[s]=new RegExp(r.replace(".",""),"i")),n&&"MMMM"===t&&this._longMonthsParse[s].test(e))return s;if(n&&"MMM"===t&&this._shortMonthsParse[s].test(e))return s;if(!n&&this._monthsParse[s].test(e))return s}},yn.monthsRegex=function(e){return this._monthsParseExact?(m(this,"_monthsRegex")||Ne.call(this),e?this._monthsStrictRegex:this._monthsRegex):(m(this,"_monthsRegex")||(this._monthsRegex=Le),this._monthsStrictRegex&&e?this._monthsStrictRegex:this._monthsRegex)},yn.monthsShortRegex=function(e){return this._monthsParseExact?(m(this,"_monthsRegex")||Ne.call(this),e?this._monthsShortStrictRegex:this._monthsShortRegex):(m(this,"_monthsShortRegex")||(this._monthsShortRegex=Fe),this._monthsShortStrictRegex&&e?this._monthsShortStrictRegex:this._monthsShortRegex)},yn.week=function(e){return Ie(e,this._week.dow,this._week.doy).week},yn.firstDayOfYear=function(){return this._week.doy},yn.firstDayOfWeek=function(){return this._week.dow},yn.weekdays=function(e,t){var n=o(this._weekdays)?this._weekdays:this._weekdays[e&&!0!==e&&this._weekdays.isFormat.test(t)?"format":"standalone"];return!0===e?je(n,this._week.dow):e?n[e.day()]:n},yn.weekdaysMin=function(e){return!0===e?je(this._weekdaysMin,this._week.dow):e?this._weekdaysMin[e.day()]:this._weekdaysMin},yn.weekdaysShort=function(e){return!0===e?je(this._weekdaysShort,this._week.dow):e?this._weekdaysShort[e.day()]:this._weekdaysShort},yn.weekdaysParse=function(e,t,n){var s,i,r;if(this._weekdaysParseExact)return function(e,t,n){var s,i,r,a=e.toLocaleLowerCase();if(!this._weekdaysParse)for(this._weekdaysParse=[],this._shortWeekdaysParse=[],this._minWeekdaysParse=[],s=0;s<7;++s)r=y([2e3,1]).day(s),this._minWeekdaysParse[s]=this.weekdaysMin(r,"").toLocaleLowerCase(),this._shortWeekdaysParse[s]=this.weekdaysShort(r,"").toLocaleLowerCase(),this._weekdaysParse[s]=this.weekdays(r,"").toLocaleLowerCase();return 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this._weekdaysParseExact?(m(this,"_weekdaysRegex")||Qe.call(this),e?this._weekdaysShortStrictRegex:this._weekdaysShortRegex):(m(this,"_weekdaysShortRegex")||(this._weekdaysShortRegex=Je),this._weekdaysShortStrictRegex&&e?this._weekdaysShortStrictRegex:this._weekdaysShortRegex)},yn.weekdaysMinRegex=function(e){return this._weekdaysParseExact?(m(this,"_weekdaysRegex")||Qe.call(this),e?this._weekdaysMinStrictRegex:this._weekdaysMinRegex):(m(this,"_weekdaysMinRegex")||(this._weekdaysMinRegex=Be),this._weekdaysMinStrictRegex&&e?this._weekdaysMinStrictRegex:this._weekdaysMinRegex)},yn.isPM=function(e){return"p"===(e+"").toLowerCase().charAt(0)},yn.meridiem=function(e,t,n){return 11<e?n?"pm":"PM":n?"am":"AM"},ut("en",{dayOfMonthOrdinalParse:/\d{1,2}(th|st|nd|rd)/,ordinal:function(e){var t=e%10;return e+(1===D(e%100/10)?"th":1===t?"st":2===t?"nd":3===t?"rd":"th")}}),c.lang=n("moment.lang is deprecated. 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