29 lines
699 B
TypeScript
29 lines
699 B
TypeScript
import {EventEmitter} from 'events';
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import dispatcher, {IEvent} from './dispatcher';
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class SnackBarStore extends EventEmitter {
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public messages: string[] = [];
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public next(): string {
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if (!this.hasNext()) {
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throw new Error("no such element")
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}
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return this.messages.shift() as string;
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}
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public hasNext(): boolean {
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return this.messages.length !== 0;
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}
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public handle(data: IEvent): void {
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if (data.type === 'SNACK') {
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this.messages.push(data.payload);
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this.emit('change');
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}
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}
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}
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const store = new SnackBarStore();
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dispatcher.register(store.handle.bind(store));
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export default store;
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