Update: Use switch statment when generating sourcemaps

Author: phated

lib/helpers.js

@@ -131,13 +131,15 @@ function fixImportedSourceMap(file, source, options, callback) {
 function mapsLoaded(file, source, options, callback) {
 
   if (!source.map && options.identityMap) {
-    var fileType = path.extname(file.path);
     var sourcePath = unixStylePath(file.relative);
-    // var generator = new SourceMapGenerator({ file: sourcePath });
-    if (fileType === '.js') {
-      source.map = generate.js(sourcePath, source.content);
-    } else if (fileType === '.css') {
-      source.map = generate.css(sourcePath, source.content);
+
+    switch (path.extname(file.path)) {
+      case '.js':
+        source.map = generate.js(sourcePath, source.content);
+        break;
+      case '.css':
+        source.map = generate.css(sourcePath, source.content);
+        break;
     }
   }