mini-starter/mini/config/dev.ts

import type { UserConfigExport } from "@tarojs/cli"
import HtmlWebpackPlugin from 'html-webpack-plugin';
import iframeCommunicationWebpackPlugin from 'webpack-plugin-iframe-communicator';

export default {
  logger: {
    quiet: false,
    stats: true
  },
  mini: {},
  h5: {
    devServer: {
      // 配置 HMR WebSocket 端口
      client: {
        progress: true,
        webSocketURL: {
          pathname: '/mini-ws',
          port: 443, // 指定 HMR WebSocket 端口
        },
      },
      open: false
    },
    webpack:{
      plugins: [
        new HtmlWebpackPlugin({
          template: './src/index.html',
        }),
        iframeCommunicationWebpackPlugin({
          hostOrigin: '*' // Trusted host origin
        }),
      ],
    },
  }
} satisfies UserConfigExport<'webpack5'>