2023-06-30 14:05:57 +00:00
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import { chan, multi } from "https://raw.githubusercontent.com/BlowaterNostr/csp/master/csp.ts";
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export class EventBus<T> implements EventEmitter<T> {
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private readonly c = chan<T>();
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private readonly caster = multi<T>(this.c);
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2023-09-06 21:04:25 +00:00
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emit = async (event: T) => {
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2023-06-30 14:05:57 +00:00
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await this.c.put(event);
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2023-09-06 21:04:25 +00:00
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};
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2023-06-30 14:05:57 +00:00
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onChange() {
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return this.caster.copy();
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}
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}
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export type EventEmitter<T> = {
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emit: (event: T) => void;
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};
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2023-09-06 21:04:25 +00:00
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export type emit<T extends { type: string }> = (event: T) => void;
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