@ckeditor/ckeditor5-utils
Version:
Miscellaneous utilities used by CKEditor 5.
25 lines (24 loc) • 827 B
JavaScript
/**
* @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/nth
*/
/**
* Returns `nth` (starts from `0` of course) item of the given `iterable`.
*
* If the iterable is a generator, then it consumes **all its items**.
* If it's a normal iterator, then it consumes **all items up to the given index**.
* Refer to the [Iterators and Generators](https://developer.mozilla.org/en/docs/Web/JavaScript/Guide/Iterators_and_Generators)
* guide to learn differences between these interfaces.
*/
export default function nth(index, iterable) {
for (const item of iterable) {
if (index === 0) {
return item;
}
index -= 1;
}
return null;
}