1 files changed, 6 insertions, 5 deletions
diff --git a/polygerrit-ui/app/elements/shared/gr-change-star/gr-change-star.js b/polygerrit-ui/app/elements/shared/gr-change-star/gr-change-star.js
index beb0ff1c9b..5009a6f946 100644
--- a/polygerrit-ui/app/elements/shared/gr-change-star/gr-change-star.js
+++ b/polygerrit-ui/app/elements/shared/gr-change-star/gr-change-star.js
@@ -18,24 +18,25 @@
     is: 'gr-change-star',
 
     properties: {
+      /** @type {?} */
       change: {
         type: Object,
         notify: true,
       },
 
-      _xhrPromise: Object,  // Used for testing.
+      _xhrPromise: Object, // Used for testing.
     },
 
-    _computeStarClass: function(starred) {
-      var classes = ['starButton'];
+    _computeStarClass(starred) {
+      const classes = ['starButton'];
       if (starred) {
         classes.push('starButton-active');
       }
       return classes.join(' ');
     },
 
-    toggleStar: function() {
-      var newVal = !this.change.starred;
+    toggleStar() {
+      const newVal = !this.change.starred;
       this.set('change.starred', newVal);
       this._xhrPromise = this.$.restAPI.saveChangeStarred(this.change._number,
           newVal);