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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 | 666x 1068x 747x 321x 141x 140x 1x 840x 421x 290x | export class EventHandlers<Key, Callback extends CallableFunction> {
private callbacks = new Map<Key, Set<Callback>>();
add(key: Key, callback: Callback): void {
if (this.callbacks.has(key)) {
this.callbacks.get(key)!.add(callback);
} else {
this.callbacks.set(key, new Set([callback]));
}
}
remove(key: Key, callback: Callback): boolean {
if (this.callbacks.has(key)) {
return this.callbacks.get(key)!.delete(callback);
}
return false;
}
async call(key: Key, ...args: unknown[]): Promise<void> {
if (this.callbacks.has(key)) {
for (const callback of this.callbacks.get(key)!) {
await callback(...args);
}
}
}
}
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