wypcli/lib/untils/dist/terminal.dev.js

```npm install wypcli```

"use strict";

/**
 * 执行终端命令相关代码
 */
var _require = require('child_process'),
    spawn = _require.spawn; //子进程


var commandSpawn = function commandSpawn() {
  for (var _len = arguments.length, arg = new Array(_len), _key = 0; _key < _len; _key++) {
    arg[_key] = arguments[_key];
  }

  return new Promise(function (resolve, reject) {
    // 返回一个子进程
    var childProcess = spawn.apply(void 0, arg); // 由于当前创建了一个子进程 会有打印信息 为了让用户看到信息 需要把子进程的输出信息流到主进程里面

    childProcess.stdout.pipe(process.stdout);
    childProcess.stderr.pipe(process.stderr);
    childProcess.on('close', function () {
      resolve();
    });
  });
};

module.exports = {
  commandSpawn: commandSpawn
};