String(a) => a+"" (with --unsafe)

fixes #254
kennethkufluk · Nov 21, 2011 · e751e36 · e751e36
1 parent 4f97733
commit e751e36
Showing 1 changed file with 7 additions and 2 deletions.
diff --git a/lib/squeeze-more.js b/lib/squeeze-more.js
@@ -39,8 +39,13 @@ function ast_squeeze_more(ast) {
                                 // foo.toString()  ==>  foo+""
                                 return [ "binary", "+", expr[1], [ "string", "" ]];
                         }
-                        if (expr[0] == "name" && expr[1] == "Array" && args.length != 1 && !scope.has("Array")) {
-                                return [ "array", args ];
+                        if (expr[0] == "name") {
+                                if (expr[1] == "Array" && args.length != 1 && !scope.has("Array")) {
+                                        return [ "array", args ];
+                                }
+                                if (expr[1] == "String" && !scope.has("String")) {
+                                        return [ "binary", "+", args[0], [ "string", "" ]];
+                                }
                         }
                 }
         }, function() {