refactor; remove unneded else

src/app/debugger/debuggerUI/VmDebugger.js

@@ -186,7 +186,9 @@ class VmDebuggerLogic {
       if (self._parent.currentStepIndex !== index) return
       if (!self.storageResolver) return
 
-      if (index === self.traceLength - 1) {
+      if (index !== self.traceLength - 1) {
+        return self.event.trigger('traceLengthUpdate', [{}])
+      }
       var storageJSON = {}
       for (var k in self.addresses) {
         var address = self.addresses[k]
@@ -198,9 +200,6 @@ class VmDebuggerLogic {
           }
         })
       }
-      } else {
-        self.event.trigger('traceLengthUpdate', [{}])
-      }
     })
   }
 }