only detach if created before

pull/21833/head
Bruno Windels 2018-10-31 12:17:13 +01:00
parent ff383b4aa0
commit 1948e9bc17
1 changed files with 4 additions and 2 deletions

View File

@ -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) {