migrate webpack to v2.6.1

webpack-dist-standalone.config.js

@@ -1,14 +1,59 @@
 var path = require('path')
 
+var rules = [
+  { test: /\.(worker\.js)(\?.*)?$/,
+    use: [
+      {
+        loader: 'worker-loader',
+        options: {
+          inline: true,
+          name: '[name].js'
+        }
+      },
+      { loader: 'babel-loader' }
+    ]
+  },
+  { test: /\.(css)(\?.*)?$/,
+    use: [
+      'style-loader',
+      'css-loader',
+      'postcss-loader'
+    ]
+  },
+  { test: /\.(scss)(\?.*)?$/,
+    use: [
+      'style-loader',
+      'css-loader',
+      {
+        loader: 'postcss-loader',
+        options: { sourceMap: true }
+      },
+      { loader: 'sass-loader',
+        options: {
+          outputStyle: 'expanded',
+          sourceMap: true,
+          sourceMapContents: 'true'
+        }
+      }
+    ]
+  },
+  { test: /\.(less)(\?.*)?$/,
+    use: [
+      'style-loader',
+      'css-loader',
+      {
+        loader: 'postcss-loader',
+      },
+      'less-loader'
+    ]
+  }
+]
 
-module.exports = require('./make-webpack-config.js')({
+module.exports = require('./make-webpack-config.js')(rules, {
   _special: {
     separateStylesheets: false,
     minimize: true,
     sourcemaps: true,
-    loaders: {
-      "worker.js": ["worker-loader?inline=true&name=[name].js", "babel"]
-    }
   },
 
   entry: {