Fix media modal prev button behavior. (#4158)

2017-07-12 02:56:45 +09:00
parent 1c6c6b271c
commit b21ab498f8
1 changed files with 1 additions and 1 deletions
--- a/app/javascript/mastodon/features/ui/components/media_modal.js
+++ b/app/javascript/mastodon/features/ui/components/media_modal.js
@@ -35,7 +35,7 @@ export default class MediaModal extends ImmutablePureComponent {
  }

  handlePrevClick = () => {
-    this.setState({ index: (this.getIndex() - 1) % this.props.media.size });
+    this.setState({ index: (this.props.media.size + this.getIndex() - 1) % this.props.media.size });
  }

  handleKeyUp = (e) => {