added hasOwnProperty check to avoid warnings

2014-01-09 15:20:05 +01:00
parent 03cf94ebe8
commit f6203bd5a8
1 changed files with 3 additions and 1 deletions
--- a/tools/node.js
+++ b/tools/node.js
@@ -114,7 +114,9 @@ exports.minify = function(files, options) {
        });
        if (options.sourceMapIncludeSources) {
            for (var file in sourcesContent) {
-                options.source_map.get().setSourceContent(file, sourcesContent[file]);
+                if (sourcesContent.hasOwnProperty(file)) {
+                    options.source_map.get().setSourceContent(file, sourcesContent[file]);
+                }
            }
        }