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Add comment to _scrollToToken

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This commit is contained in:
Luke Barnard 2017-05-02 17:41:09 +01:00
parent fe83a99ab7
commit 4febc63aee
1 changed files with 3 additions and 0 deletions
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3
src/components/structures/ScrollPanel.js
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@ -555,6 +555,9 @@ module.exports = React.createClass({
var messages = this.refs.itemlist.children; var messages = this.refs.itemlist.children;
for (var i = messages.length-1; i >= 0; --i) { for (var i = messages.length-1; i >= 0; --i) {
var m = messages[i]; var m = messages[i];
// 'data-contained-scroll-tokens' has been set, indicating that a child
// element contains elements that each have a token. Check this array of
// tokens for `scrollToken`.
if (m.dataset.containedScrollTokens && if (m.dataset.containedScrollTokens &&
m.dataset.containedScrollTokens.indexOf(scrollToken) !== -1) { m.dataset.containedScrollTokens.indexOf(scrollToken) !== -1) {
node = m; node = m;