Function isRequestMessage

jsonrpc/src/messages.ts:358–361

(message: Message | undefined)

 * Tests if the given message is a request message
 */
export function isRequestMessage(message: Message | undefined): message is RequestMessage {
	let candidate = <RequestMessage>message;
	return candidate && is.string(candidate.method) && (is.string(candidate.id) || is.number(candidate.id));
}

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