Method waitForEvent

src/test/debug_client_ms.ts:323–343

(eventType: string, description?: string, timeout?: number, match?: (event: DebugProtocol.Event) => boolean)

	 * The promise will be rejected if a timeout occurs.
	 */
	public waitForEvent(eventType: string, description?: string, timeout?: number, match?: (event: DebugProtocol.Event) => boolean): Promise<DebugProtocol.Event> {
		let timeoutHandler: any;
		const startingTestName = currentTestName;

		return new Promise((resolve, reject) => {
			const handler = (event: DebugProtocol.Event) => {
				if (!match || match(event)) {
					this.removeListener(eventType, handler);
					clearTimeout(timeoutHandler);
					resolve(event);
				}
			};

			this.on(eventType, handler);
			if (!this._socket) {	// no timeouts if debugging the tests
				timeoutHandler = setTimeout(() => {
					reject(new Error(`no event '${eventType}' received after ${timeout || this.defaultTimeout} ms (${startingTestName}: ${description})`));
				}, timeout || this.defaultTimeout);
			}
		});
	}

	/*
	 * Returns a promise that will resolve if an 'initialized' event was received within some specified time