webpack.config.js

'use strict';

const LiveReloadPlugin = require('webpack-livereload-plugin');
const devMode = process.env.NODE_ENV === 'development';

/**
 * Fast source maps rebuild quickly during development, but only give a link
 * to the line where the error occurred. The stack trace will show the bundled
 * code, not the original code. Keep this on `false` for slower builds but
 * usable stack traces. Set to `true` if you want to speed up development.
 */

const USE_FAST_SOURCE_MAPS = false;

module.exports = {
  entry: './app/main.jsx',
  output: {
    path: __dirname,
    filename: './public/bundle.js'
  },
  context: __dirname,
  devtool: devMode && USE_FAST_SOURCE_MAPS ?
    'cheap-module-eval-source-map' :
    'source-map',
  resolve: {
    extensions: ['.js', '.jsx', '.json', '*']
  },
  module: {
    rules: [{
      test: /jsx?$/,
      exclude: /(node_modules|bower_components)/,
      use: [{
        loader: 'babel-loader',
        options: {
          presets: ['react', 'es2015', 'stage-2']
        }
      }]
    }]
  },
  plugins: devMode ? [
    new LiveReloadPlugin({
      appendScriptTag: true
    })
  ] : []
};