Auto-version webpack.config.js

// Dynamic name generation
const webpack = require('webpack');
const path = require('path');
 
const HtmlWebpackPlugin = require('html-webpack-plugin');
const CleanWebpackPlugin = require('clean-webpack-plugin');
 
module.exports = {
  entry: { main: path.join(__dirname, './src/index.js') },
  output: {
    path: path.resolve(__dirname, './dist'),
    publicPath: '/assets',
    filename: '[name].[chunkhash:4].js'
  },
  module: {
    rules: [
      {
        test: /\.js$/,
        exclude: /node_modules/,
        loader: 'babel-loader'
      },
      {
        test: /\.css$/,
        use: ['style-loader', 'css-loader']
      }
    ]
  },
  plugins: [
    new HtmlWebpackPlugin({
      title: 'Form Builder',
      template: path.join(__dirname, '/static/template.html')
    }),
    new CleanWebpackPlugin(['dist'])
  ]
};