Press n or j to go to the next uncovered block, b, p or k for the previous block.
| 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 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 | 1x 1x 1x 1x 1x 1x 1x 1x 1x 58x 58x 58x 58x 58x 58x 58x 58x 58x 58x 58x 58x 58x | export interface Listener<T> {
(event: T): any;
}
export interface Disposable {
dispose(): void;
}
export class TypedEvent<T> {
private listeners: Listener<T>[] = [];
private listenersOncer: Listener<T>[] = [];
on = (listener: Listener<T>): Disposable => {
this.listeners.push(listener);
return {
dispose: () => this.off(listener)
};
}
once = (listener: Listener<T>): void => {
this.listenersOncer.push(listener);
}
off = (listener: Listener<T>) => {
var callbackIndex = this.listeners.indexOf(listener);
if (callbackIndex > -1) this.listeners.splice(callbackIndex, 1);
}
emit = (event: T) => {
/** Update any general listeners */
this.listeners.forEach((listener) => listener(event));
/** Clear the `once` queue */
if (this.listenersOncer.length > 0) {
const toCall = this.listenersOncer;
this.listenersOncer = [];
toCall.forEach((listener) => listener(event));
}
}
pipe = (te: TypedEvent<T>): Disposable => {
return this.on((e) => te.emit(e));
}
}
|