datepicker/webpack/webpack.config.npm.js

const path = require('path')
const CleanWebpackPlugin = require('clean-webpack-plugin')

module.exports = {
  mode: 'production',
  entry: {
    index: './src/index.js',
  },
  output: {
    path: path.resolve(__dirname, '../lib'),
    filename: '[name].js',
    libraryTarget: 'commonjs2',
  },
  module: {
    rules: [
      {
        test: /\.js$/,
        loader: 'babel-loader',
        exclude: /node_modules/,
      },
      {
        test: /\.css$/,
        use: [
          'style-loader',
          {
            loader: 'css-loader',
            options: {
              modules: true,
              camelCase: true,
              localIdentName: '[name]__[local]--[hash:base64:5]',
            },
          },
          'postcss-loader',
        ],
      },
      {
        test: /\.(jpe?g|png|svg|bmp)$/,
        loader: 'file-loader',
        options: {
          outputPath: 'images/',
          publicPath: '/lib/images/',
          name: '[name].[ext]',
        },
      },
    ],
  },
  plugins: [
    new CleanWebpackPlugin(['lib']),
  ],
}