Upgrade ESlint to v8 (#23305)

app/javascript/mastodon/components/media_gallery.js

@@ -40,14 +40,14 @@ class Item extends React.PureComponent {
     if (this.hoverToPlay()) {
       e.target.play();
     }
-  }
+  };
 
   handleMouseLeave = (e) => {
     if (this.hoverToPlay()) {
       e.target.pause();
       e.target.currentTime = 0;
     }
-  }
+  };
 
   getAutoPlay() {
     return this.props.autoplay || autoPlayGif;
@@ -71,11 +71,11 @@ class Item extends React.PureComponent {
     }
 
     e.stopPropagation();
-  }
+  };
 
   handleImageLoad = () => {
     this.setState({ loaded: true });
-  }
+  };
 
   render () {
     const { attachment, index, size, standalone, displayWidth, visible } = this.props;
@@ -277,11 +277,11 @@ class MediaGallery extends React.PureComponent {
     } else {
       this.setState({ visible: !this.state.visible });
     }
-  }
+  };
 
   handleClick = (index) => {
     this.props.onOpenMedia(this.props.media, index);
-  }
+  };
 
   handleRef = c => {
     this.node = c;
@@ -289,7 +289,7 @@ class MediaGallery extends React.PureComponent {
     if (this.node) {
       this._setDimensions();
     }
-  }
+  };
 
   _setDimensions () {
     const width = this.node.offsetWidth;