gbmusic: reformat widget code

apps/gbmusic/widget.js

@@ -1,6 +1,6 @@
 (() => {
   if (global.gbmusic_active || !(require("Storage").readJSON("gbmusic.json", 1) || {}).autoStart) {
-    return
+    return;
   }
   if (typeof __FILE__ === 'string') { // only exists since 2v09
     const info = require("Storage").readJSON(__FILE__.split(".")[0]+".info", 1) || false;
@@ -9,36 +9,36 @@
     }
   }
 
-  let state, info
+  let state, info;
   function checkMusic() {
     if (state!=="play" || !info) {
-      return
+      return;
     }
     // playing music: launch music app
     require("Storage").writeJSON("gbmusic.load.json", {
       state: state,
       info: info,
-    })
-    load("gbmusic.app.js")
+    });
+    load("gbmusic.app.js");
   }
 
-  const _GB = global.GB
+  const _GB = global.GB;
   global.GB = (event) => {
     // we eat music events!
     switch(event.t) {
       case "musicinfo":
-        info = event
-        delete(info.t)
-        checkMusic()
-        break
+        info = event;
+        delete (info.t);
+        checkMusic();
+        break;
       case "musicstate":
-        state = event.state
-        checkMusic()
-        break
+        state = event.state;
+        checkMusic();
+        break;
       default:
         if (_GB) {
-          setTimeout(_GB, 0, event)
+          setTimeout(_GB, 0, event);
         }
     }
-  }
-})()
+  };
+})();