fixed files form Closure #105

Spirals-Team · Mar 7, 2017 · b4007ec · b4007ec
1 parent d9d7016
commit b4007ec
Showing 1 changed file with 7 additions and 5 deletions.
diff --git a/projects/Closure/105/com/google/javascript/jscomp/FoldConstants.java b/projects/Closure/105/com/google/javascript/jscomp/FoldConstants.java
@@ -1474,30 +1474,32 @@ void tryFoldStringJoin(NodeTraversal t, Node n, Node left, Node right,
 
     String joinString = NodeUtil.getStringValue(right);
     List<Node> arrayFoldedChildren = Lists.newLinkedList();
-    StringBuilder sb = new StringBuilder();
+    StringBuilder sb = null;
     int foldedSize = 0;
     Node elem = arrayNode.getFirstChild();
     // Merges adjacent String nodes.
     while (elem != null) {
       if (NodeUtil.isImmutableValue(elem)) {
-        if (sb.length() > 0) {
+        if (sb == null) {
+          sb = new StringBuilder();
+        } else {
           sb.append(joinString);
         }
         sb.append(NodeUtil.getStringValue(elem));
       } else {
-        if (sb.length() > 0) {
+        if (sb != null) {
           // + 2 for the quotes.
           foldedSize += sb.length() + 2;
           arrayFoldedChildren.add(Node.newString(sb.toString()));
-          sb = new StringBuilder();
+          sb = null;
         }
         foldedSize += InlineCostEstimator.getCost(elem);
         arrayFoldedChildren.add(elem);
       }
       elem = elem.getNext();
     }
 
-    if (sb.length() > 0) {
+    if (sb != null) {
       // + 2 for the quotes.
       foldedSize += sb.length() + 2;
       arrayFoldedChildren.add(Node.newString(sb.toString()));