aboutsummaryrefslogtreecommitdiff
path: root/node_modules/react-dom/lib/setTextContent.js
blob: f63309391cf393dd34e4a9180063fffa2025888d (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
/**
 * Copyright 2013-present, Facebook, Inc.
 * All rights reserved.
 *
 * This source code is licensed under the BSD-style license found in the
 * LICENSE file in the root directory of this source tree. An additional grant
 * of patent rights can be found in the PATENTS file in the same directory.
 *
 */

'use strict';

var ExecutionEnvironment = require('fbjs/lib/ExecutionEnvironment');
var escapeTextContentForBrowser = require('./escapeTextContentForBrowser');
var setInnerHTML = require('./setInnerHTML');

/**
 * Set the textContent property of a node, ensuring that whitespace is preserved
 * even in IE8. innerText is a poor substitute for textContent and, among many
 * issues, inserts <br> instead of the literal newline chars. innerHTML behaves
 * as it should.
 *
 * @param {DOMElement} node
 * @param {string} text
 * @internal
 */
var setTextContent = function (node, text) {
  if (text) {
    var firstChild = node.firstChild;

    if (firstChild && firstChild === node.lastChild && firstChild.nodeType === 3) {
      firstChild.nodeValue = text;
      return;
    }
  }
  node.textContent = text;
};

if (ExecutionEnvironment.canUseDOM) {
  if (!('textContent' in document.documentElement)) {
    setTextContent = function (node, text) {
      if (node.nodeType === 3) {
        node.nodeValue = text;
        return;
      }
      setInnerHTML(node, escapeTextContentForBrowser(text));
    };
  }
}

module.exports = setTextContent;