@ckeditor/ckeditor5-utils/src/count.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/count
 */
/**
 * Returns the number of items return by the iterator.
 *
 * ```ts
 * count( [ 1, 2, 3, 4, 5 ] ); // 5;
 * ```
 *
 * @param iterable Any iterable.
 * @returns Number of items returned by that iterable.
 */
export default function count(iterable) {
    let count = 0;
    // eslint-disable-next-line @typescript-eslint/no-unused-vars
    for (const _ of iterable) {
        count++;
    }
    return count;
}