webpack.development.config.js

const path = require('path')
const webpack = require('webpack')
const HtmlWebpackPlugin = require('html-webpack-plugin')
const FriendlyErrorsPlugin = require('friendly-errors-webpack-plugin')
const utils = require('./build/utils')
const theme = require('./build/theme')
const packageInfo = require('./package.json')

function resolve (dir) {
  return path.join(__dirname, dir)
}

module.exports = {
  mode: 'development',
  entry: './src/index.js',
  output: {
    path: resolve('dist'),
    filename: '[name].js',
  },
  resolve: {
    extensions: ['.js', '.json'],
    alias: {
      '@': resolve('src'),
    }
  },
  devServer: {
    contentBase: resolve('./'),
    compress: true,
    port: 8080,
    open: true,
    hot: true,
    quiet: true,
  },
  devtool: 'eval-source-map',
  plugins: [
    new webpack.DefinePlugin({
      'process.env': {
        VERSIONS: JSON.stringify(packageInfo.version),
      }
    }),
    new webpack.HotModuleReplacementPlugin(),
    new webpack.NoEmitOnErrorsPlugin(),
    new HtmlWebpackPlugin({
      filename: 'index.html',
      template: 'index.dev.html',
      inject: true,
    }),
    new FriendlyErrorsPlugin()
  ],
  module: {
    rules: [
      {
        test: /\.(js)$/,
        loader: 'eslint-loader',
        enforce: 'pre',
        include: [resolve('src'), resolve('test')],
        options: {
          formatter: require('eslint-friendly-formatter')
        }
      },
      {
        test: /\.js$/,
        loader: 'babel-loader',
        include: [resolve('src'), resolve('test')]
      },
      {
        test: /\.css$/,
        use: [
          'style-loader',
          'css-loader',
        ]
      },
      {
        test: /\.less$/,
        use: [
          'style-loader',
          'css-loader',
          {
            loader: 'less-loader',
            options: {
              javascriptEnabled: true,
              modifyVars: theme
            }
          }
        ]
      },
      {
        test: /\.(png|jpe?g|gif)(\?.*)?$/,
        loader: 'url-loader',
        options: {
          limit: 10000,
          name: utils.assetsPath('img/[name].[hash:7].[ext]')
        }
      },
      {
        test: /\.(mp4|webm|ogg|mp3|wav|flac|aac)(\?.*)?$/,
        loader: 'url-loader',
        options: {
          limit: 10000,
          name: utils.assetsPath('media/[name].[hash:7].[ext]')
        }
      },
      {
        test: /\.(woff2?|eot|ttf|otf)(\?.*)?$/,
        loader: 'url-loader',
        options: {
          limit: 10000,
          name: utils.assetsPath('fonts/[name].[hash:7].[ext]')
        }
      },
      {
        test: /\.svg(\?v=\d+\.\d+\.\d+)?$/,
        use: [
          {
            loader: 'babel-loader',
          },
          {
            loader: '@svgr/webpack',
            options: {
              babel: false,
              icon: true,
            },
          },
        ],
      }
    ]
  }
}