webpack.config.dev.js

const path = require("path");
const webpack = require("webpack");

const HtmlWebPackPlugin = require("html-webpack-plugin");
const MiniCssExtractPlugin = require("mini-css-extract-plugin");

module.exports = {
  mode: "development",
  devtool: "cheap-module-source-map",
  devServer: {
    contentBase: path.join(__dirname, "./src/"),
    // publicPath: "/",
    // host: "127.0.0.1",
    // port: 3000,
    stats: {
      colors: true,
    },
    hot: true,
    writeToDisk: true
  },
  entry: ["./src/index.jsx", "./src/dev.js"],
  // 将 jsx 添加到默认扩展名中，省略 jsx
  resolve: {
    extensions: [".wasm", ".mjs", ".js", ".json", ".jsx"],
  },
  module: {
    rules: [
      {
        test: /\.jsx?$/, // jsx文件的正则
        exclude: /node_modules/, // 排除 node_modules 文件夹
        use: {
          // loader 是 babel
          loader: "babel-loader",
          options: {
            // babel 转义的配置选项
            babelrc: false,
            presets: [
              // 添加 preset-react
              require.resolve("@babel/preset-react"),
              [require.resolve("@babel/preset-env"), { modules: false }],
            ],
            cacheDirectory: true,
          },
        },
      },
      {
        test: /\.css$/,
        use: [MiniCssExtractPlugin.loader, "css-loader"],
      },
    ],
  },
  plugins: [
    new HtmlWebPackPlugin({
      template: "chrome-extension/eva.panel.html",
      filename: "eva.panel.html",
      inject: true,
    }),
    new webpack.HotModuleReplacementPlugin(),
    new MiniCssExtractPlugin({
      filename: "[name].css",
      chunkFilename: "[id].css",
    }),
  ],
};