const path = require('path');
const webpack = require('webpack');
const HtmlWebpackPlugin = require('html-webpack-plugin');


module.exports = {
  entry: {
    main: './src/components/index.js'
  },

  output: {
    path: path.resolve(__dirname, 'dist'),
    filename: 'static/js/[name].[contenthash:8].js'
  },

  module: {
    rules: [
      {
        test: /\.(js|jsx)$/,
        loader: 'babel-loader',
        options: {
          cacheDirectory: true,
          cacheCompression: false,
          babelrc: true
        }
      },
      { test: /\.json$/, loader: 'json-loader' },
      {
        test: /\.css$/,
        use: [
          'style-loader',
          'css-loader'
        ]
      },
      {
        exclude: [/\.(js|jsx)$/, /.html$/, /.css$/, /.json$/],
        loader: 'file-loader',
        options: {
          name: 'static/media/[name].[contenthash:8].[ext]'
        }
      }
    ]
  },

  resolve: {
    unsafeCache: true,
    extensions: ['.js', '.jsx', '.json', '.css'],
    alias: {
      actions: path.resolve(__dirname, './src/actions'),
      reducers: path.resolve(__dirname, './src/reducers'),
      components: path.resolve(__dirname, './src/components'),
      lib: path.resolve(__dirname, './src/components/_lib'),
      styles: path.resolve(__dirname, './src/styles'),
      config: path.resolve(__dirname, './src/config')
    }
  },

  plugins: [
    new HtmlWebpackPlugin({
      template: './src/public/index.html',
      favicon: './src/public/favicon.ico'
    }),
    new webpack.PrefetchPlugin('react'),
    new webpack.PrefetchPlugin('react-dom')
  ],

  optimization: {
    usedExports: true
  }
};