const path = require("path");
const HtmlWebpack = require("html-webpack-plugin")
// node写法
module.exports = {
  mode: "production",
  // entry:'./src/a2.js'
  // entry:['./src/a2.js','./src/a3.js']
  // entry:{
  //     hi:'./src/a2.js',
  //     hello:'./src/a3.js'
  // },
  // entry:"./Conspicuous/bag.js",
  output: {
    // filename:'[name]-[id]-[hash].js',
    clean: true,
    // path:path.resolve(__dirname,'dist')
  },
  module: {
    rules: [
      {
        test: /\.css$/i,
        use: ["style-loader", "css-loader"],
      },

      {
        test: /\.(png|svg|jpg|jpeg|gif)$/i,
        type: "asset/resource",
      },
      {
        test: /\.m?js$/,
        exclude: /(node_modules|bower_components)/,
        use: {
          loader: 'babel-loader',
          options: {
            presets: ['@babel/preset-env'],
          },
        },
      }
    ],
  },
  plugins:[
    new HtmlWebpack({
        title:"哈哈哈哈",
        template:"./src/index.html"
    })
  ],
 //文件大小限制
  performance: {
    maxEntrypointSize: 50000000,
    maxAssetSize: 30000000,
    },
  devtool:"inline-source-map"
};