Method emit

packages/core/src/prompts/prompt.ts:111–129

* Emit an event with data * @param event - The event name * @param data - The data to pass to the callback

(
		event: T,
		...data: Parameters<ClackEvents<TValue>[T]>
	)

	 * @param data - The data to pass to the callback
	 */
	public emit<T extends keyof ClackEvents<TValue>>(
		event: T,
		...data: Parameters<ClackEvents<TValue>[T]>
	) {
		const cbs = this._subscribers.get(event) ?? [];
		const cleanup: (() => void)[] = [];

		for (const subscriber of cbs) {
			subscriber.cb(...data);

			if (subscriber.once) {
				cleanup.push(() => cbs.splice(cbs.indexOf(subscriber), 1));
			}
		}

		for (const cb of cleanup) {
			cb();
		}
	}

	public prompt() {
		return new Promise<TValue | symbol | undefined>((resolve) => {