fixes webpack-contrib#150

merged webpack-contrib#160

Author: sokra

lib/processCss.js

@@ -5,6 +5,7 @@
 var Tokenizer = require("css-selector-tokenizer");
 var postcss = require("postcss");
 var loaderUtils = require("loader-utils");
+var assign = require("object-assign");
 var getLocalIdent = require("./getLocalIdent");
 
 var localByDefault = require("postcss-modules-local-by-default");
@@ -154,7 +155,7 @@ module.exports = function processCss(inputSource, inputMap, options, callback) {
 	]);
 
 	if(minimize) {
-		var minimizeOptions = Object.create(query);
+		var minimizeOptions = assign({}, query);
 		["zindex", "normalizeUrl", "discardUnused", "mergeIdents", "reduceIdents"].forEach(function(name) {
 			if(typeof minimizeOptions[name] === "undefined")
 				minimizeOptions[name] = false;

package.json

@@ -7,6 +7,7 @@
     "css-selector-tokenizer": "^0.5.1",
     "cssnano": ">=2.6.1 <4",
     "loader-utils": "~0.2.2",
+    "object-assign": "^4.0.1",
     "postcss": "^5.0.6",
     "postcss-modules-extract-imports": "1.0.0-beta2",
     "postcss-modules-local-by-default": "1.0.0-beta1",

test/moduleMinimizeTest.js

@@ -7,7 +7,7 @@ var fs = require("fs");
 var testCasesPath = path.join(__dirname, "moduleMinimizeTestCases");
 var testCases = fs.readdirSync(testCasesPath);
 
-describe("module", function() {
+describe("module minimize", function() {
 	testCases.forEach(function(name) {
 		var source = fs.readFileSync(path.join(testCasesPath, name, "source.css"), "utf-8");
 		var expected = fs.readFileSync(path.join(testCasesPath, name, "expected.css"), "utf-8");