const path = require('path')
const ReactRefreshWebpackPlugin = require('@pmmmwh/react-refresh-webpack-plugin')
const CopyPlugin = require("copy-webpack-plugin");

const isDevelopment = process.env.NODE_ENV !== 'production'

module.exports = {
  entry: './src/index.js',
  mode: isDevelopment ? 'development' : 'production',
  module: {
    rules: [
      {
        test: /\.(js|jsx)$/,
        exclude: /(node_modules)/,
        loader: 'babel-loader',
        options: { presets: ['@babel/env'] }
      },
      {
        test: /\.css$/,
        use: ['style-loader', 'css-loader']
      }
    ]
  },
  resolve: { extensions: ['*', '.js', '.jsx'] },
  output: {
    path: path.resolve(__dirname, 'dist/'),
    publicPath: '/',
    filename: 'bundle.js'
  },
  devServer: {
    client: { overlay: false }
  },
  plugins: [
    new CopyPlugin({
      patterns: [
        { from: "public" },
      ],
     }),
    isDevelopment && new ReactRefreshWebpackPlugin(),
  ].filter(Boolean)
}