Fix WebUI crash on sensitive preview card with no preview thumbnail (m…

…astodon#14260) Fixes mastodon#14257
abcang · Jul 11, 2020 · b90c79a · b90c79a
1 parent 98d8258
commit b90c79a
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/app/javascript/mastodon/features/status/components/card.js b/app/javascript/mastodon/features/status/components/card.js
@@ -106,7 +106,7 @@ export default class Card extends React.PureComponent {
   componentDidUpdate (prevProps) {
     const { card } = this.props;
 
-    if (card.get('blurhash') && (!prevProps.card || prevProps.card.get('blurhash') !== card.get('blurhash'))) {
+    if (card.get('blurhash') && (!prevProps.card || prevProps.card.get('blurhash') !== card.get('blurhash')) && this.canvas) {
       this._decode();
     }
   }