/**

 * Copyright (c) Meta Platforms, Inc. and affiliates.

 *

 * 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 './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

 */

function setTextContent(node: Element, text: string): void {

  if (text) {

    const firstChild = node.firstChild;

    if (

      firstChild &&

      firstChild === node.lastChild &&

      firstChild.nodeType === TEXT_NODE

    ) {

      firstChild.nodeValue = text;

      return;

    }

  }

  node.textContent = text;

}

export default setTextContent;