webpack.dev.config.js

/* eslint-disable no-undef */

const webpack = require('webpack')
const HtmlWebpackPlugin = require('html-webpack-plugin')
const DashboardPlugin = require('webpack-dashboard/plugin')
const ReactRefreshPlugin = require('@pmmmwh/react-refresh-webpack-plugin')
const loaders = require('./webpack.loaders')

const HOST = process.env.HOST || '0.0.0.0'
const PORT = process.env.PORT || '3000'

module.exports = {
  mode: 'development',
  target: 'web',
  entry: ['./src/index.jsx'], // your app's entry point
  devtool: process.env.WEBPACK_DEVTOOL || 'eval-source-map',
  output: {
    filename: 'bundle.js',
  },
  resolve: {
    extensions: ['.ts', '.tsx', '.js', '.jsx'],
  },
  module: {
    rules: [
      {
        test: /\.(j|t)sx?$/,
        include: /src/,
        loader: 'babel-loader',
        options: {
          cacheDirectory: true,
          presets: [
            '@babel/preset-env',
            ['@babel/preset-react', { runtime: 'automatic' }],
            '@babel/preset-typescript',
          ],
          plugins: ['react-refresh/babel'],
        },
      },
      {
        test: /\.(sa|sc|c)ss$/,
        use: [
          'style-loader',
          {
            loader: 'css-loader',
            options: {
              importLoaders: 2,
              sourceMap: true,
            },
          },
          'postcss-loader',
          'sass-loader',
        ],
      },
      ...loaders,
    ],
  },
  stats: {
    children: true,
    errorDetails: true,
  },
  devServer: {
    compress: true,
    hot: true,
    liveReload: true,
    historyApiFallback: true, // serve index.html in place of 404 responses to allow HTML5 history
    port: PORT,
    host: HOST,
    allowedHosts: 'auto',
    headers: {
      'Access-Control-Allow-Origin': '*',
      'Access-Control-Allow-Headers': '*',
    },
    client: {
      overlay: {
        errors: true,
        warnings: false,
      },
    },
    open: [`http://localhost:${PORT}`],
  },
  plugins: [
    new webpack.DefinePlugin({
      'process.env': {
        NODE_ENV: '"development"',
      },
    }),
    new webpack.NoEmitOnErrorsPlugin(),
    new ReactRefreshPlugin(),
    new DashboardPlugin(),
    new HtmlWebpackPlugin({
      template: './public/index.html',
      inject: 'body',
    }),
  ],
}