webpack.dev.config.js

webpack.dev.config.js

const path = require('path');
const webpack = require('webpack');
const {CleanWebpackPlugin} = require('clean-webpack-plugin');
const HtmlWebPackPlugin = require('html-webpack-plugin');
const StartServerPlugin = require('start-server-webpack-plugin');
const NodemonPlugin = require('nodemon-webpack-plugin');
const SimpleProgressWebpackPlugin = require('simple-progress-webpack-plugin');
const FriendlyErrorsWebpackPlugin = require('friendly-errors-webpack-plugin');

const config = {
  entry: {
    main: [
      'webpack-hot-middleware/client?path=/__webpack_hmr&timeout=20000',
      './app/javascript/packs/development.js'
    ]
  },
  output: {
    path: path.join(__dirname, 'dist'),
    publicPath: '/',
    filename: '[name].js',
    libraryTarget: 'umd',
    globalObject: `(typeof self !== 'undefined' ? self : this)`
  },
  mode: 'development',
  target: 'web',
  devtool: 'source-map',
  module: {
    rules: [
      {
        enforce: 'pre',
        test: /\.js$/,
        exclude: /node_modules/,
        loader: 'eslint-loader',
        options: {
          emitWarning: true,
          failOnError: false,
          failOnWarning: false
        }
      },
      {
        test: /\.js$/,
        exclude: /node_modules/,
        loader: 'babel-loader'
      },
      {
        // Loads the javacript into html template provided.
        // Entry point is set below in HtmlWebPackPlugin in Plugins 
        test: /\.html$/,
        use: [
          {
            loader: 'html-loader'
            //options: { minimize: true }
          }
        ]
      },
      {
        test: /\.s[ac]ss$/i,
        use: [
          'style-loader',
          'css-loader',
          'resolve-url-loader',
          {
            loader: 'sass-loader?sourceMap',
            options: {
              // Prefer `dart-sass`
              sourceMap: true,
              implementation: require('sass')
            }
          }
        ]
      },
      {
        test: /\.woff(2)?(\?v=[0-9]\.[0-9]\.[0-9])?$/,
        loader: 'url-loader?limit=10000&mimetype=application/font-woff'
      },
      {
        test: /\.(png|ttf|eot|svg)(\?v=[0-9]\.[0-9]\.[0-9])?$/,
        loader: 'file-loader'
      }
    ]
  },
  plugins: [
    new HtmlWebPackPlugin({
      template: './app/javascript/packs/html/index.html',
      filename: './index.html',
      excludeChunks: ['server']
    }),
    new webpack.HotModuleReplacementPlugin(),
    new NodemonPlugin({}),
    new SimpleProgressWebpackPlugin(),
    new FriendlyErrorsWebpackPlugin(),
    new StartServerPlugin({
      name: 'main.js',
      signal: true,
      nodeArgs: ['--inspect']
    }),
    new webpack.ProvidePlugin({
      $: 'jquery',
      jQuery: 'jquery'
    }),
    new CleanWebpackPlugin()
  ]
};

module.exports = config;