23 lines
862 B
TypeScript
23 lines
862 B
TypeScript
import { EventEmitter } from "node:events";
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import type { DocumentAccessor } from "../../model/doc";
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import { type DiffWatcherEvent, type IDiffWatcher, linkWatcher } from "../watcher";
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export class WatcherCompositer extends EventEmitter implements IDiffWatcher {
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refWatchers: IDiffWatcher[];
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on<U extends keyof DiffWatcherEvent>(event: U, listener: DiffWatcherEvent[U]): this {
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return super.on(event, listener);
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}
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emit<U extends keyof DiffWatcherEvent>(event: U, ...arg: Parameters<DiffWatcherEvent[U]>): boolean {
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return super.emit(event, ...arg);
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}
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constructor(refWatchers: IDiffWatcher[]) {
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super();
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this.refWatchers = refWatchers;
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for (const refWatcher of this.refWatchers) {
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linkWatcher(refWatcher, this);
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}
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}
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async setup(cntr: DocumentAccessor): Promise<void> {
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await Promise.all(this.refWatchers.map((x) => x.setup(cntr)));
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}
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}
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