Merge pull request #5205 from matrix-org/t3chguy/fix/resizeNotifier-optional

Fix crashes with cannot read isResizing of undefined
2020-09-14 15:38:02 +01:00 · 2020-09-14 15:38:02 +01:00 · c6a3b8b783
parent 148cad6ea2 fa50b31fd2
commit c6a3b8b783
1 changed files with 2 additions and 1 deletions
--- a/src/components/structures/ScrollPanel.js
+++ b/src/components/structures/ScrollPanel.js
@ -198,7 +198,8 @@ export default class ScrollPanel extends React.Component {
    }

    onScroll = ev => {
-        if (this.props.resizeNotifier.isResizing) return; // skip scroll events caused by resizing
+        // skip scroll events caused by resizing
+        if (this.props.resizeNotifier && this.props.resizeNotifier.isResizing) return;
        debuglog("onScroll", this._getScrollNode().scrollTop);
        this._scrollTimeout.restart();
        this._saveScrollState();