only detach if created before

2018-10-31 12:17:13 +01:00 · 2018-10-31 12:17:13 +01:00 · 1948e9bc17
parent ff383b4aa0
commit 1948e9bc17
1 changed files with 4 additions and 2 deletions
--- a/src/components/structures/MainSplit.js
+++ b/src/components/structures/MainSplit.js
@ -55,8 +55,10 @@ export default class MainSplit extends React.Component {
    }

    componentWillUnmount() {
-        this.resizer.detach();
-        this.resizer = null;
+        if (this.resizer) {
+            this.resizer.detach();
+            this.resizer = null;
+        }
    }

    componentDidUpdate(prevProps) {