webpack.config.js

const path = require('path');

const webpack = require('webpack');
const HtmlWebpackPlugin = require('html-webpack-plugin');
const ExtractTextPlugin = require('extract-text-webpack-plugin');
const CopyWebpackPlugin = require('copy-webpack-plugin');
const CleanWebpackPlugin = require('clean-webpack-plugin');
const Visualizer = require('webpack-visualizer-plugin');

module.exports = {
  cache: true,
  context: process.cwd(),
  devtool: 'source-map',
  devServer: {
    inline: true,
    port: 3333,
    contentBase: path.join(__dirname, 'mock')
  },
  resolve: {
    modules: [
      path.resolve('./node_modules')
    ],
    extensions: ['.js']
  },
  entry: {
    'main': ['babel-polyfill', './src/js/main.js']
  },
  output: {
    path: path.join(process.cwd(), 'build'),
    filename: '[name].[chunkhash].js',
    sourceMapFilename: '[file].[chunkhash].map',
    //publicPath: '/mock-api'
  },
  plugins: [
    new HtmlWebpackPlugin({
      template: 'src/index.ejs'
    }),
    new ExtractTextPlugin({
      filename: '[name].[chunkhash].css'
    }),
    new webpack.LoaderOptionsPlugin({
      debug: true
    }),
    new CopyWebpackPlugin([
      { from: 'mock' }
    ]),
    new CleanWebpackPlugin(['build']),
    new Visualizer()
  ],
  module: {
    rules: [{
      enforce: 'pre',
      test: /\.js$/,
      use: {
        loader: 'eslint-loader',
        options: {
          failOnError: true
        }
      },
      exclude: [/node_modules/]
    }, {
      test: /\.css$/,
      use: ExtractTextPlugin.extract({
        fallback: 'style-loader',
        use: 'css-loader'
      })
    }, {
      test: /\.scss$/,
      use: ExtractTextPlugin.extract({
        fallback: 'style-loader',
        use: ['css-loader', 'sass-loader']
      })
    }, {
      test: /\.js$/,
      exclude: [/node_modules/],
      use: 'babel-loader'
    }]
  }
};