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Merge from vscode 2cfc8172e533e50c90e6a3152f6bfb1f82f963f3 (#6516)

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* Merge from vscode 2cfc8172e533e50c90e6a3152f6bfb1f82f963f3

* fix tests
This commit is contained in:
Anthony Dresser
2019-07-28 15:15:24 -07:00
committed by GitHub
parent aacf1e7f1c
commit 1d56a17f32
292 changed files with 19784 additions and 1873 deletions
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14
src/vs/base/common/event.ts
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@@ -326,6 +326,20 @@ export namespace Event {
return result.event;
}
export interface DOMEventEmitter {
addEventListener(event: string | symbol, listener: Function): void;
removeEventListener(event: string | symbol, listener: Function): void;
}
export function fromDOMEventEmitter<T>(emitter: DOMEventEmitter, eventName: string, map: (...args: any[]) => T = id => id): Event<T> {
const fn = (...args: any[]) => result.fire(map(...args));
const onFirstListenerAdd = () => emitter.addEventListener(eventName, fn);
const onLastListenerRemove = () => emitter.removeEventListener(eventName, fn);
const result = new Emitter<T>({ onFirstListenerAdd, onLastListenerRemove });
return result.event;
}
export function fromPromise<T = any>(promise: Promise<T>): Event<undefined> {
const emitter = new Emitter<undefined>();
let shouldEmit = false;