webpack.config.js

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

module.exports = {
  mode: 'none',
  entry: './src/main.js',
  output: {
    filename: 'bundle.js',
    path: path.join(__dirname, 'dist')
  },
  devtool: 'eval-cheap-module-source-map',
  module: {
    rules: [
      {
        test: /.css$/,
        use: [
          'style-loader',
          'css-loader'
        ]
      },
      {
        test: /.png$/,
        use: {
          loader: 'url-loader',
          options: {
            limit: 10 * 1024 // 10 KB
          }
        }
      }
    ]
  },
  plugins: [
    new CleanWebpackPlugin(),
    // 用于生成 index.html
    new HtmlWebpackPlugin({
      title: 'Webpack Source Map',
      meta: {
        viewport: 'width=device-width'
      },
      template: './src/index.html'
    }),
    new CopyWebpackPlugin({
      patterns: [
        // 可以配置多个对象，表示拷贝目录文件到另一个目录，默认拷贝到 output.path
        { from: 'public' }
      ]
    })
  ]
}