webpack.common.js

const path = require('path')
const HtmlWebpackPlugin = require('html-webpack-plugin')
const { CleanWebpackPlugin } = require('clean-webpack-plugin')

module.exports = {
  mode: 'development',
  entry: './src/index.js',
  output: {
    path: path.resolve(__dirname, 'dist'),
    filename: 'app.js',
  },
  resolve: {
    extensions: ['.jsx', '.js', '.json'],
    alias: {
      '@components': path.resolve(__dirname, 'src/components'),
    },
  },
  module: {
    rules: [
      {
        test: /\.(js|jsx)$/,
        loader: 'babel-loader',
        exclude: /node_modules/,
      },
      {
        test: /\.css$/,
        use: ['style-loader', 'css-loader', 'postcss-loader'],
      },
      {
        test: /\.(sass|scss)$/,
        use: [
          'style-loader',
          'css-loader',
          'postcss-loader',
          {
            loader: 'sass-loader',
            options: {
              implementation: require('sass'), // 使用dart-sass代替node-sass
            },
          },
        ],
      },
      {
        test: /\.(png|jpe?g|gif)$/,
        use: {
          loader: 'url-loader',
          options: {
            name: '[name]_[hash].[ext]',
            outputPath: 'images/', // 打包图片到dist目录下的images文件夹
            limit: 102400, // 图片超过100KB就使用file-loader打包，否则图片以base64格式存在
          },
        },
      },
      {
        test: /\.(eot|ttf|svg|woff|woff2)$/,
        use: {
          loader: 'file-loader',
          options: {
            name: '[name]_[hash].[ext]',
            outputPath: 'fonts/',
          },
        },
      },
    ],
  },
  plugins: [
    new HtmlWebpackPlugin({
      template: './public/index.html',
    }),
    new CleanWebpackPlugin(),
  ],
  devServer: {
    publicPath: '/',
    host: '0.0.0.0',
    compress: true, // 使用gzip压缩
    port: 8080, // 监听的端口号
    historyApiFallback: true,
    overlay: true, // 代码出错弹出浮动层
    hot: true, // 开启热更新
  },
}