Use webpack-sources

Author: NMFR

index.js

@@ -1,4 +1,5 @@
 var _ = require('underscore');
+var webpackSources = require('webpack-sources');
 
 function OptimizeCssAssetsPlugin(options) {
   this.options = options || {};
@@ -31,14 +32,7 @@ OptimizeCssAssetsPlugin.prototype.processCss = function(css) {
 };
 
 OptimizeCssAssetsPlugin.prototype.createCssAsset = function(css, originalAsset) {
-  return {
-    source: function() {
-      return css;
-    },
-    size: function() {
-      return css.length;
-    }
-  };
+  return new webpackSources.RawSource(css);
 };
 
 OptimizeCssAssetsPlugin.prototype.apply = function(compiler) {

package.json

@@ -5,7 +5,8 @@
   "description": "A Webpack plugin to optimize \\ minimize CSS assets.",
   "dependencies": {
     "cssnano": "^3.4.0",
-    "underscore": "^1.8.3"
+    "underscore": "^1.8.3",
+    "webpack-sources": "^0.1.0"
   },
   "main": "index.js",
   "homepage": "http://github.com/NMFR/optimize-css-assets-webpack-plugin",