migrate to babel 7, webpack 4, dep updates, lots

webpack.config.dev.js

@@ -1,49 +1,44 @@
 const path = require('path');
-const exec = require('child_process').exec;
 const webpack = require('webpack');
 const HtmlWebpackPlugin = require('html-webpack-plugin');
 const ExtractTextPlugin = require('extract-text-webpack-plugin');
 const WebpackNotifierPlugin = require('webpack-notifier');
 const pkgJson = require('./package');
 const buildDate = new Date();
-function CopyDirPlugin(source, destination) {
-  this.source = source;
-  this.destination = destination;
-}
-
-CopyDirPlugin.prototype.apply = function(compiler) {
-  compiler.plugin('done', () => {
-    console.log(compiler.outputPath, this.destination);
-    exec('cp -r ' + this.source + ' ' + path.join(compiler.outputPath, this.destination));
-  });
-};
+const CopyWebpackPlugin = require('copy-webpack-plugin');
 
 module.exports = {
   devtool: 'source-map',
   devServer: {
     headers: { 'Access-Control-Allow-Origin': '*' }
   },
+  mode: 'development',
   entry: {
-    app: ['webpack-dev-server/client?http://0.0.0.0:3300', 'webpack/hot/only-dev-server', path.join(__dirname, 'src/app/index.js')],
-    lib: ['d3', 'react', 'react-dom', 'classnames', 'fbemitter', 'lz-string']
+    main: './src/app/index.js'
   },
   resolve: {
     // When requiring, you don't need to add these extensions
     extensions: ['.js', '.jsx', '.json', '.less']
   },
+  optimization: {
+    minimize: false,
+    splitChunks: {
+      chunks: 'all'
+    }
+  },
   output: {
     path: path.join(__dirname, 'build'),
     filename: 'app.js',
     publicPath: '/'
   },
   plugins: [
-    new CopyDirPlugin(path.join(__dirname, 'src/.htaccess'), ''),
-    new webpack.optimize.CommonsChunkPlugin({
-      name: 'lib',
-      filename: 'lib.js'
-    }),
+    new CopyWebpackPlugin(['src/.htaccess']),
+    // new webpack.optimize.CommonsChunkPlugin({
+    //   name: 'lib',
+    //   filename: 'lib.js'
+    // }),
     new HtmlWebpackPlugin({
-      inject: false,
+      inject: true,
       template: path.join(__dirname, 'src/index.ejs'),
       version: pkgJson.version,
       date: buildDate,