custom-app/dhcc-app/lib/devServer/init.js

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let exec = require('child_process').exec;
let spinner = require('../../util/spinner');
let chalk = require('chalk')
let path = require('path');
let fs = require("fs");
let util = require('../../util/util.js')
module.exports = (appName, options) => {
  if (!appName) {
    console.error(chalk.red('未指定spa目录'));
    return;
  }
  let port = '8083'
  if (options && options.port) {
    port = options.port + ""

    if (!Number.isFinite(+port)) {
      console.error(chalk.red('端口不合法，应为有效数字'));
      return;
    }
  }
  const cwd = process.cwd()
  const reactAppPath = util.getReactAppPath(cwd);
  fs.writeFileSync(path.join(reactAppPath, 'config', 'rootpath.js'), `exports.path = '${reactAppPath.split("\\")}'`)
  fs.writeFileSync(path.join(reactAppPath, 'config', 'project.js'), `exports.name = '${appName}'`)
  delete require.cache[require.resolve(path.join(reactAppPath, 'config', 'rootpath.js'))]
  delete require.cache[require.resolve(path.join(reactAppPath, 'config', 'project.js'))]
  console.log('启动本地服务器,路径1:' + path.join(reactAppPath, "src", appName))

  var install_webpack = `node devServer.conf.js ${appName} ${port}`;
  if (options && options.report) {
    install_webpack = `node devServer.conf.js ${appName} ${port} -r`;
  }
  try {
    let workerProcess = exec(install_webpack, { cwd: path.join(reactAppPath, "config") })

    workerProcess.stdout.on('data', function (data) {
      console.log(data)
    });

    workerProcess.stderr.on('data', function (data) {
      console.error(chalk.red('启动本地服务器失败:' + data));
    });

  } catch (error) {
    console.error(error);
  }

}