| Current Path : /var/www/html/learn/node_modules/@ckeditor/ckeditor5-utils/src/ |
| Current File : /var/www/html/learn/node_modules/@ckeditor/ckeditor5-utils/src/first.js |
/**
* @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/
/**
* @module utils/first
*/
/**
* Returns first item of the given `iterable`.
*
* @param {Iterable.<*>} iterable
* @returns {*}
*/
export default function first( iterable ) {
const iteratorItem = iterable.next();
if ( iteratorItem.done ) {
return null;
}
return iteratorItem.value;
}