webpack.config.js

/**
 * React Static Boilerplate
 * https://github.com/kriasoft/react-static-boilerplate
 *
 * Copyright © 2015-present Kriasoft, LLC. All rights reserved.
 *
 * This source code is licensed under the MIT license found in the
 * LICENSE.txt file in the root directory of this source tree.
 */

/* eslint-disable global-require */

const path = require('path')
const webpack = require('webpack')
const pkg = require('./package.json')
const CopyWebpackPlugin = require('copy-webpack-plugin')

const isDebug = global.DEBUG === false ? false : !process.argv.includes('--release')
const isVerbose = process.argv.includes('--verbose') || process.argv.includes('-v')
const useHMR = !!global.HMR // Hot Module Replacement (HMR)
const babelConfig = Object.assign({}, pkg.babel, {
  babelrc: false,
  cacheDirectory: useHMR,
})

// Webpack configuration (main.js => public/dist/main.{hash}.js)
// http://webpack.github.io/docs/configuration.html
const config = {

  // The base directory for resolving the entry option
  context: __dirname,

  // The entry point for the bundle
  entry: [
    /* Material Design Lite (https://getmdl.io) */
    // '!!style!css!react-mdl/extra/material.min.css',
    // 'react-mdl/extra/material.min.js',
    /* The main entry point of your JavaScript application */
    './main.js',
  ],

  // Options affecting the output of the compilation
  output: {
    path: path.resolve(__dirname, './dist'),
    publicPath: '/',
    filename: 'bundle.js',
    chunkFilename: isDebug ? '[id].js?[chunkhash]' : '[id].[chunkhash].js',
    sourcePrefix: '  ',
  },

  // Switch loaders to debug or release mode
  debug: isDebug,

  // Developer tool to enhance debugging, source maps
  // http://webpack.github.io/docs/configuration.html#devtool
  devtool: isDebug ? 'source-map' : false,

  // What information should be printed to the console
  stats: {
    colors: true,
    reasons: isDebug,
    hash: isVerbose,
    version: isVerbose,
    timings: true,
    chunks: isVerbose,
    chunkModules: isVerbose,
    cached: isVerbose,
    cachedAssets: isVerbose,
  },

  // The list of plugins for Webpack compiler
  plugins: [
    // new webpack.optimize.OccurrenceOrderPlugin(),
    new webpack.DefinePlugin({
      'process.env.NODE_ENV': isDebug ? '"development"' : '"production"',
      __DEV__: isDebug,
    }),
  ],

  // Options affecting the normal modules
  module: {
    loaders: [
      {
        test: /\.jsx?$/,
        include: [
          path.resolve(__dirname, './actions'),
          path.resolve(__dirname, './components'),
          path.resolve(__dirname, './core'),
          path.resolve(__dirname, './pages'),
          path.resolve(__dirname, './main.js'),
        ],
        loader: `babel-loader?${JSON.stringify(babelConfig)}`,
      },
      {
        test: /\.css/,
        loaders: [
          'style-loader',
          `css-loader?${JSON.stringify({
            sourceMap: isDebug,
            // CSS Modules https://github.com/css-modules/css-modules
            modules: true,
            localIdentName: isDebug ? '[name]_[local]_[hash:base64:3]' : '[hash:base64:4]',
            // CSS Nano http://cssnano.co/options/
            minimize: !isDebug,
          })}`,
          'postcss-loader',
        ],
      },
      {
        test: /\.json$/,
        exclude: [
          path.resolve(__dirname, './routes.json'),
        ],
        loader: 'json-loader',
      },
      {
        test: /\.json$/,
        include: [
          path.resolve(__dirname, './routes.json'),
        ],
        loaders: [
          `babel-loader?${JSON.stringify(babelConfig)}`,
          path.resolve(__dirname, './utils/routes-loader.js'),
        ],
      },
      {
        test: /\.md$/,
        loader: path.resolve(__dirname, './utils/markdown-loader.js'),
      },
      {
        test: /\.(png|jpg|jpeg|gif|svg|woff|woff2)$/,
        loader: 'url-loader?limit=10000',
      },
      {
        test: /\.(eot|ttf|wav|mp3)$/,
        loader: 'file-loader',
      },
    ],
  },

  // The list of plugins for PostCSS
  // https://github.com/postcss/postcss
  postcss(bundler) {
    return [
      // Transfer @import rule by inlining content, e.g. @import 'normalize.css'
      // https://github.com/postcss/postcss-import
      require('postcss-import')({ addDependencyTo: bundler }),
      // W3C variables, e.g. :root { --color: red } div { background: var(--color) }
      // https://github.com/postcss/postcss-custom-properties
      require('postcss-custom-properties')(),
      // W3C CSS Custom Media Queries, e.g. @custom-media --small-viewport (max-width: 30em)
      // https://github.com/postcss/postcss-custom-media
      require('postcss-custom-media')(),
      // CSS4 Media Queries, e.g. @media screen and (width >= 500px) and (width <= 1200px) { }
      // https://github.com/postcss/postcss-media-minmax
      require('postcss-media-minmax')(),
      // W3C CSS Custom Selectors, e.g. @custom-selector :--heading h1, h2, h3, h4, h5, h6
      // https://github.com/postcss/postcss-custom-selectors
      require('postcss-custom-selectors')(),
      // W3C calc() function, e.g. div { height: calc(100px - 2em) }
      // https://github.com/postcss/postcss-calc
      require('postcss-calc')(),
      // Allows you to nest one style rule inside another
      // https://github.com/jonathantneal/postcss-nesting
      require('postcss-nesting')(),
      // W3C color() function, e.g. div { background: color(red alpha(90%)) }
      // https://github.com/postcss/postcss-color-function
      require('postcss-color-function')(),
      // Convert CSS shorthand filters to SVG equivalent, e.g. .blur { filter: blur(4px) }
      // https://github.com/iamvdo/pleeease-filters
      require('pleeease-filters')(),
      // Generate pixel fallback for "rem" units, e.g. div { margin: 2.5rem 2px 3em 100% }
      // https://github.com/robwierzbowski/node-pixrem
      require('pixrem')(),
      // W3C CSS Level4 :matches() pseudo class, e.g. p:matches(:first-child, .special) { }
      // https://github.com/postcss/postcss-selector-matches
      require('postcss-selector-matches')(),
      // Transforms :not() W3C CSS Level 4 pseudo class to :not() CSS Level 3 selectors
      // https://github.com/postcss/postcss-selector-not
      require('postcss-selector-not')(),
      // Postcss flexbox bug fixer
      // https://github.com/luisrudge/postcss-flexbugs-fixes
      require('postcss-flexbugs-fixes')(),
      // Add vendor prefixes to CSS rules using values from caniuse.com
      // https://github.com/postcss/autoprefixer
      require('autoprefixer')(),
    ]
  },

}

// Optimize the bundle in release (production) mode
if (!isDebug) {
  config.plugins.push(new webpack.optimize.DedupePlugin())
  config.plugins.push(new webpack.optimize.UglifyJsPlugin({ compress: { warnings: isVerbose } }))
  config.plugins.push(new webpack.optimize.AggressiveMergingPlugin())
}

// Hot Module Replacement (HMR) + React Hot Reload
if (isDebug && useHMR) {
  babelConfig.plugins.unshift('react-hot-loader/babel')
  config.entry.unshift('react-hot-loader/patch', 'webpack-hot-middleware/client')
  config.plugins.push(new webpack.HotModuleReplacementPlugin())
  config.plugins.push(new webpack.NoErrorsPlugin())
}

config.plugins.push(
  new CopyWebpackPlugin([
    { from: 'assets', to: 'assets' },
    { from: 'robots.txt', to: 'robots.txt' },
    { from: 'index.html', to: 'index.html' },
  ])
)
module.exports = config