Encryptor/webpack.config.js at master · Protonko/Encryptor · GitHub

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const path = require('path')
const {CleanWebpackPlugin} = require('clean-webpack-plugin')
const HTMLWebpackPlugin = require('html-webpack-plugin')

const isProd = process.env.NODE_ENV === 'production';

const filename = ext => isProd ? `bundle.[hash].${ext}` : `bundle.${ext}`
module.exports = {
  context: path.resolve(__dirname, 'src'),
  mode: 'development',
  entry: [
    '@babel/polyfill',
    './js/index.js'
  ],
  output: {
    filename: filename('js'),
    path: path.resolve(__dirname, 'dist'),
  },
  resolve: {
    extensions: ['.js'],
  },
  devtool: 'source-map',
  plugins: [
    new CleanWebpackPlugin(),
    new HTMLWebpackPlugin({
      template: 'index.html',
    }),
  ],
  module: {
    rules: [
      {
        test: /\.css$/,
        use: ['style-loader', 'css-loader']
      },
      {
        test: /\.js$/,
        exclude: /node_modules/,
        use: [
          {
            loader: 'babel-loader',
            options: {
              presets: ['@babel/preset-env'],
              plugins: ['@babel/plugin-proposal-class-properties'],
            },
          },
        ],
      },
    ],
  },
}