Function callback

jsonrpc/src/main.ts:477–499

(message)

	}

	let callback: DataCallback = (message) => {
		try {
			// We have recevied a cancellation message. Check if the message is still in the queue
			// and cancel it if allowed to do so.
			if (isNotificationMessage(message) && message.method === CancelNotification.type.method) {
				let key = createRequestQueueKey((message.params as CancelParams).id);
				let toCancel = messageQueue.get(key);
				if (isRequestMessage(toCancel)) {
					let response = strategy && strategy.cancelUndispatched ? strategy.cancelUndispatched(toCancel, cancelUndispatched) : cancelUndispatched(toCancel);
					if (response && (response.error !== void 0 || response.result !== void 0)) {
						messageQueue.delete(key);
						response.id = toCancel.id;
						traceSendingResponse(response, message.method, Date.now());
						messageWriter.write(response);
						return;
					}
				}
			}
			addMessageToQueue(messageQueue, message);
		} finally {
			triggerMessageQueue();
		}
	};

	function handleRequest(requestMessage: RequestMessage) {
		if (isDisposed()) {