иконка по умолчанию

src/recent-torrents.js

@@ -101,6 +101,19 @@ return (
                         </g>
                     </svg>
                   )
+                default:
+                  return (
+                    <svg viewBox="0 0 123.769 123.769" fill="grey">
+                      <g>
+                        <path d="M76.05,1.568l-10.101,9.3c-2.3,2.1-5.8,2.1-8.1,0l-10.2-9.2c-3.1-2.8-8-1.7-9.6,2.1l-8.3,20h64.2l-8.3-20.1
+                          C84.05-0.131,79.149-1.231,76.05,1.568z"/>
+                        <path d="M10.749,42.068c-2.9,1.4-1.8,5.7,1.3,5.7h49.8h49.701c3.199,0,4.199-4.3,1.399-5.7l-12.2-6.3h-77.8L10.749,42.068z"/>
+                        <path d="M0.549,90.168l5.3,28.801c0.5,2.899,3,4.8,5.9,4.8h50.1h50.201c2.899,0,5.399-2,5.899-4.8l5.3-28.801
+                          c0.5-2.8-1-5.6-3.699-6.699c-12.801-5-26.2-7.7-36.801-9.301c-2.699-0.399-5.3,1.101-6.3,3.5l-10.1,22.9c-1.8,4-7.5,4-9.201-0.1
+                          l-9.8-22.7c-1.1-2.5-3.7-4-6.4-3.601c-10.6,1.5-24,4.301-36.7,9.301C1.549,84.469-0.051,87.269,0.549,90.168z"/>
+                      </g>
+                    </svg>
+                  )
             }
           })()
         }

src/torrent-page.js

@@ -106,7 +106,7 @@ const TorrentInformation = (props) => {
 	       // leftAvatar={<Avatar icon={<EditorInsertChart />} backgroundColor={yellow600} />}
 	        rightIcon={<ActionInfo />}
 	        primaryText="Content type"
-	        secondaryText={torrent.contentType}
+	        secondaryText={torrent.contentType || 'unknown'}
 	      />
 	      <ListItem
 	       // leftAvatar={<Avatar icon={<EditorInsertChart />} backgroundColor={yellow600} />}