@ckeditor/ckeditor5-utils/src/wait.js

Miscellaneous utilities used by CKEditor 5.

/**
 * @license Copyright (c) 2003-2025, CKSource Holding sp. z o.o. All rights reserved.
 * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-licensing-options
 */
/**
 * @module utils/wait
 */
/**
 * Returns a promise that is resolved after the specified time.
 *
 * @param timeout The time in milliseconds to wait.
 * @param options.signal A signal to abort the waiting.
 */
export default function wait(timeout, options = {}) {
    return new Promise((resolve, reject) => {
        const signal = options.signal || (new AbortController()).signal;
        signal.throwIfAborted();
        const timer = setTimeout(timeoutHandler, timeout);
        signal.addEventListener('abort', abortHandler, { once: true });
        function timeoutHandler() {
            signal.removeEventListener('abort', abortHandler);
            resolve();
        }
        function abortHandler() {
            clearTimeout(timer);
            reject(signal.reason);
        }
    });
}