fixed clean webpack plugin issue

Author: nimjetushar

config/webpack.common.js

@@ -1,6 +1,6 @@
 const path = require('path'),
   CopyWebpackPlugin = require('copy-webpack-plugin'),
-  CleanWebpackPlugin = require('clean-webpack-plugin'),
+  { CleanWebpackPlugin } = require('clean-webpack-plugin'),
   HtmlWebpackPlugin = require('html-webpack-plugin'),
   MiniCssExtractPlugin = require('mini-css-extract-plugin'),
   webpack = require('webpack');

src/route.js

@@ -10,7 +10,7 @@ export default function routerConfig(
   $stateProvider
     .state('landing', {
       component: 'landingComponent',
-      url: '/landing',
+      url: '/landing'
     })
     .state('about.**', {
       resolve: {