Function isNotificationMessage

jsonrpc/src/messages.ts:366–369

(message: Message | undefined)

 * Tests if the given message is a notification message
 */
export function isNotificationMessage(message: Message | undefined): message is NotificationMessage {
	let candidate = <NotificationMessage>message;
	return candidate && is.string(candidate.method) && (<any>message).id === void 0;
}

/**
 * Tests if the given message is a response message