Files
react/packages/react-dom/src/client/setTextContent.js
T
Jason Quense 4e044f553f Clarify reason for setTextContent helper (#11813)
* Update comment on setTextContent

update the comment explaining the reason for the helper

* Use `setTextContent` in ReactDOM for consistency
2018-01-05 18:10:12 +00:00

38 lines
898 B
JavaScript

/**
* Copyright (c) 2013-present, Facebook, Inc.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
* @flow
*/
import {TEXT_NODE} from '../shared/HTMLNodeType';
/**
* Set the textContent property of a node. For text updates, it's faster
* to set the `nodeValue` of the Text node directly instead of using
* `.textContent` which will remove the existing node and create a new one.
*
* @param {DOMElement} node
* @param {string} text
* @internal
*/
let setTextContent = function(node: Element, text: string): void {
if (text) {
let firstChild = node.firstChild;
if (
firstChild &&
firstChild === node.lastChild &&
firstChild.nodeType === TEXT_NODE
) {
firstChild.nodeValue = text;
return;
}
}
node.textContent = text;
};
export default setTextContent;