// import type { HmrOptions } from 'vite'

import { defineConfig } from 'vite'
import Vue from '@vitejs/plugin-vue'
import { VitePWA } from 'vite-plugin-pwa'
import { resolve } from 'path'

const port = +(process.env.VUE_PORT ?? 8080)

// https://vitejs.dev/config/
export default defineConfig(() => ({
  envPrefix: 'VUE_',
  plugins: [
    // https://github.com/underfin/vite-plugin-vue2
    Vue({
      template: {
        compilerOptions: {
          compatConfig: {
            MODE: 2
          }
        }
      }
    }),

    // https://github.com/antfu/vite-plugin-pwa
    VitePWA({
      strategies: 'injectManifest',
      srcDir: 'src',
      filename: 'serviceWorker.ts',
      devOptions: {
        enabled: true,
        type: 'module',
        navigateFallback: 'index.html',
        webManifestUrl: '/front/manifest.json'
      }
    })
  ],
  server: {
    port
  },
  resolve: {
    alias: {
      '~': resolve(__dirname, './src')
    }
  },
  build: {
    rollupOptions: {
      input: {
        main: resolve(__dirname, './index.html'),
        embed: resolve(__dirname, './embed.html')
      }
    }
  }
}))