Use ServiceWorker for Contract compilation

js/webpack/app.js

@@ -22,6 +22,7 @@ const WebpackErrorNotificationPlugin = require('webpack-error-notification');
 const CopyWebpackPlugin = require('copy-webpack-plugin');
 const HtmlWebpackPlugin = require('html-webpack-plugin');
 const ExtractTextPlugin = require('extract-text-webpack-plugin');
+const ServiceWorkerWebpackPlugin = require('serviceworker-webpack-plugin');
 
 const Shared = require('./shared');
 const DAPPS = require('../src/dapps');
@@ -50,7 +51,7 @@ module.exports = {
     rules: [
       {
         test: /\.js$/,
-        exclude: /node_modules/,
+        exclude: /(node_modules)/,
         // use: [ 'happypack/loader?id=js' ]
         use: isProd ? ['babel-loader'] : [
           'babel-loader?cacheDirectory=true'
@@ -136,7 +137,18 @@ module.exports = {
   },
 
   plugins: (function () {
-    const plugins = Shared.getPlugins().concat([
+    const DappsHTMLInjection = DAPPS.map((dapp) => {
+      return new HtmlWebpackPlugin({
+        title: dapp.title,
+        filename: dapp.name + '.html',
+        template: './dapps/index.ejs',
+        favicon: FAVICON,
+        secure: dapp.secure,
+        chunks: [ isProd ? null : 'commons', dapp.name ]
+      });
+    });
+
+    const plugins = Shared.getPlugins().concat(
       new CopyWebpackPlugin([{ from: './error_pages.css', to: 'styles.css' }], {}),
       new WebpackErrorNotificationPlugin(),
 
@@ -151,17 +163,14 @@ module.exports = {
         template: './index.ejs',
         favicon: FAVICON,
         chunks: [ isProd ? null : 'commons', 'index' ]
-      })
-    ], DAPPS.map((dapp) => {
-      return new HtmlWebpackPlugin({
-        title: dapp.title,
-        filename: dapp.name + '.html',
-        template: './dapps/index.ejs',
-        favicon: FAVICON,
-        secure: dapp.secure,
-        chunks: [ isProd ? null : 'commons', dapp.name ]
-      });
-    }));
+      }),
+
+      new ServiceWorkerWebpackPlugin({
+        entry: path.join(__dirname, '../src/serviceWorker.js'),
+      }),
+
+      DappsHTMLInjection
+    );
 
     if (!isProd) {
       const DEST_I18N = path.join(__dirname, '..', DEST, 'i18n');