datepicker/webpack/webpack.config.prod.js

const path = require('path')
const MiniCssExtractPlugin = require('mini-css-extract-plugin')
const HtmlWebpackPlugin = require('html-webpack-plugin')

const projectPath = path.resolve(__dirname, '../')

module.exports = {
  mode: 'production',
  entry: './src/index.js',
  output: {
    path: path.resolve(__dirname, '../dist'),
    filename: '[name]-bundle-[hash:8].js',
  },
  module: {
    rules: [
      {
        test: /\.js$/,
        loader: 'babel-loader',
        include: path.resolve(projectPath, 'src'),
        exclude: /node_modules/,
      },
      {
        test: /\.css$/,
        use: [
          {
            loader: MiniCssExtractPlugin.loader,
            options: {
              publicPath: '../dist/styles',
            },
          },
          {
            loader: 'css-loader',
            options: {
              modules: true,
              camelCase: true,
              localIdentName: '[name]__[local]--[hash:base64:5]',
            },
          },
        ],
      },
    ],
  },
  plugins: [
    new MiniCssExtractPlugin({
      filename: '[name].css',
      chunkFilename: '[id].css',
    }),
    new HtmlWebpackPlugin({
      title: 'Datepicker',
      filename: 'index.html',
      template: path.resolve(projectPath, 'index.html'),
      inject: false,
    }),
  ],
}