Re-organize config

.npmignore

@@ -4,4 +4,5 @@
 index.html
 server.js
 demo
+config
 dist/demo

package.json

@@ -6,8 +6,8 @@
   "types": "types/index.d.ts",
   "scripts": {
     "start": "node server.js",
-    "build-demo": "NODE_ENV=production webpack --config webpack.config.demo.js",
-    "build": "webpack --config webpack.config.prod.js"
+    "build-demo": "NODE_ENV=production webpack --config config/webpack.config.demo.js",
+    "build": "webpack --config config/webpack.config.prod.js"
   },
   "bugs": {
     "url": "https://github.com/kamranahmedse/driver.js/issues"

server.js

@@ -2,7 +2,7 @@ const webpack = require('webpack');
 const WebpackDevServer = require('webpack-dev-server');
 const opn = require('opn');
 
-const config = require('./webpack.config.demo');
+const config = require('./config/webpack.config.demo');
 
 const PORT = 3000;
 const HOST = 'localhost';
@@ -13,6 +13,7 @@ new WebpackDevServer(webpack(config), {
 }).listen(PORT, HOST, (error, result) => {
   if (error) {
     console.error(error);
+    return;
   }
 
   opn(URL);