update Webpack to 2.2

webpack.config.js

@@ -8,17 +8,17 @@ var config = {
     filename: "bundle.js"
   },
   resolve: {
-    extensions: ["", ".ts", ".tsx", ".js", ".scss"],
+    extensions: [".ts", ".tsx", ".js", ".scss"],
     alias: {
-      "sass": path.resolve('./static/css/directives/components/pages/')
+      sass: path.resolve(__dirname, 'static/css/directives/components/pages/')
     }
   },
   // Use window.angular to maintain compatibility with non-Webpack components
   externals: {
-    "angular": "angular",
+    angular: "angular",
   },
   module: {
-    loaders: [
+    rules: [
       {
         test: /\.tsx?$/,
         loader: "ts-loader",
@@ -26,13 +26,13 @@ var config = {
       },
       {
         test: /\.scss$/,
-        loaders: ['style', 'css', 'sass'],
+        use: [
+          "style-loader",
+          "css-loader",
+          "sass-loader",
+        ],
         exclude: /node_modules/
       },
-      {
-        test: /angular\.js$/,
-        loader: 'expose?angular',
-      }
     ]
   },
   devtool: "source-map",