1 |
|
2 |
|
3 |
|
4 |
|
5 |
|
6 |
|
7 |
|
8 |
|
9 |
|
10 |
|
11 | 'use strict';
|
12 |
|
13 |
|
14 |
|
15 |
|
16 |
|
17 | var isElement = require("./isElement");
|
18 |
|
19 | function getSelectionOffsetKeyForNode(node) {
|
20 | if (isElement(node)) {
|
21 | var castedNode = node;
|
22 | var offsetKey = castedNode.getAttribute('data-offset-key');
|
23 |
|
24 | if (offsetKey) {
|
25 | return offsetKey;
|
26 | }
|
27 |
|
28 | for (var ii = 0; ii < castedNode.childNodes.length; ii++) {
|
29 | var childOffsetKey = getSelectionOffsetKeyForNode(castedNode.childNodes[ii]);
|
30 |
|
31 | if (childOffsetKey) {
|
32 | return childOffsetKey;
|
33 | }
|
34 | }
|
35 | }
|
36 |
|
37 | return null;
|
38 | }
|
39 |
|
40 | module.exports = getSelectionOffsetKeyForNode; |
\ | No newline at end of file |