cluster: refactor empty for in round_robin_handle.js

gengjiawen · BridgeAR · commit de738a3720c8 · 2019-03-14T12:58:41.000+01:00
PR-URL: #26560 Reviewed-By: Luigi Pinca <luigipinca@gmail.com> Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de> Reviewed-By: Michaël Zasso <targos@protonmail.com> Reviewed-By: James M Snell <jasnell@gmail.com>
diff --git a/lib/internal/cluster/round_robin_handle.js b/lib/internal/cluster/round_robin_handle.js
@@ -79,8 +79,10 @@ RoundRobinHandle.prototype.remove = function(worker) {
   if (this.all.size !== 0)
     return false;
 
-  for (var handle; handle = this.handles.shift(); handle.close())
-    ;
+  for (const handle of this.handles) {
+    handle.close();
+  }
+  this.handles = [];
 
   this.handle.close();
   this.handle = null;
