join_vars:

var XXX; for (var YYY; ...) ==> for (var XXX,YYY; ...)
2012-09-15 10:54:59 +03:00
parent 43fd45154b
commit 86c14d0988
1 changed files with 15 additions and 1 deletions
--- a/lib/compress.js
+++ b/lib/compress.js
@@ -327,7 +327,21 @@ function Compressor(options, false_by_default) {
                if (stat instanceof AST_Definitions && prev && prev.TYPE == stat.TYPE) {
                    prev.definitions = prev.definitions.concat(stat.definitions);
                    CHANGED = true;
-                } else {
+                }
+                else if (stat instanceof AST_For
+                         && prev instanceof AST_Definitions
+                         && (!stat.init || stat.init.TYPE == prev.TYPE)) {
+                    CHANGED = true;
+                    a.pop();
+                    if (stat.init) {
+                        stat.init.definitions = prev.definitions.concat(stat.init.definitions);
+                    } else {
+                        stat.init = prev;
+                    }
+                    a.push(stat);
+                    prev = stat;
+                }
+                else {
                    prev = stat;
                    a.push(stat);
                }