Enable scope hoisting

package.json

@@ -89,7 +89,7 @@
     "uglify-es": "3.0.20",
     "uglify-es-webpack-plugin": "0.0.2",
     "uglify-js": "git+https://github.com/mishoo/UglifyJS2.git#harmony",
-    "webpack": "2.6.1"
+    "webpack": "3.0.0"
   },
   "dependencies": {
     "accesses": "2.5.0",

webpack/plugins/hoist.ts

@@ -0,0 +1,3 @@
+import * as webpack from 'webpack';
+
+export default () => new webpack.optimize.ModuleConcatenationPlugin();

webpack/plugins/index.ts

@@ -1,6 +1,7 @@
 const StringReplacePlugin = require('string-replace-webpack-plugin');
 
 import constant from './const';
+import hoist from './hoist';
 //import minify from './minify';
 import banner from './banner';
 
@@ -12,7 +13,8 @@ const isProduction = env === 'production';
 export default version => {
 	const plugins = [
 		constant(),
-		new StringReplacePlugin()
+		new StringReplacePlugin(),
+		hoist()
 	];
 /*
 	if (isProduction) {