W250913/16.Webpack/webpack.config.js

const path = require("path");
module.exports = {
    mode:"production",
    // mode:"development", 
    entry:"./src/index.js",
    // entry: ['./src/a.js','./src/index.js']
    // entry: {
    //     hi:"./src/a.js",
    //     aa: "./src/index.js"
    // }
    output:{
        // filename:'[name]-[id]-[hash].js',
        // path:path.resolve(__dirname,'dist')
        clean: true
    },
      module: {
    rules: [
      {
        test: /\.css$/i,
        use: ['style-loader', 'css-loader'],
      },
      {
        test: /\.(png|svg|jpg|jpeg|gif)$/i,
        type: 'asset/resource',
      },
    ],
  },
}