fix(Build): Correcting webpack config

Author: hypery2k

.config/webpack.common.js

@@ -64,7 +64,9 @@ module.exports = {
       template: helpers.root('demo', 'index.html'),
     }),
 
-    new CopyWebpackPlugin([{ from: helpers.root('demo', 'assets'), to: 'assets' }]),
+    new CopyWebpackPlugin({ patterns: [
+      { from: helpers.root('demo', 'assets'), to: 'assets' }
+    ]}),
 
     new AngularCompilerPlugin({
       tsConfigPath: './tsconfig.json',

.config/webpack.github.js

@@ -1,13 +1,13 @@
-var webpackMerge = require('webpack-merge');
-var commonConfig = require('./webpack.prod.js');
-var helpers = require('./helpers');
+const { merge } = require('webpack-merge');
+const commonConfig = require('./webpack.prod.js');
+const helpers = require('./helpers');
 
-module.exports = webpackMerge(commonConfig, {
+module.exports = merge(commonConfig, {
+  mode: 'production',
   output: {
     path: helpers.root('docs'),
     publicPath: 'https://visjs.github.io/ngx-vis',
     filename: '[name].[hash].js',
     chunkFilename: '[id].[hash].chunk.js',
-    mode: 'production'
   }
 });