code: function runExecutable(args, cwd, logLevel) {
    const logger = require('./logger')(logLevel);
    return new Promise((resolve, reject) => {
      logger.silly('Theme Kit command starting');
      let errors = '';
  
      const pathToExecutable = path.join(config.destination, config.binName);
      fs.statSync(pathToExecutable);
  
      const childProcess = spawn(pathToExecutable, args, {
        cwd,
        stdio: ['inherit', 'inherit', 'pipe']
      });
  
      childProcess.on('error', (err) => {
        errors += err;
      });
  
      childProcess.stderr.on('data', (err) => {
        errors += err;
      });
  
      childProcess.on('close', () => {
        logger.silly('Theme Kit command finished');
        if (errors) {
          reject(errors);
        }
        resolve();
      });
    });
  }
docs: Spawns a child process to run the Theme Kit executable with given parameters
  @param {string[]}  args      array to pass to the executable
  @param {string}    cwd       directory to run command on
  @param {string}    logLevel  level of logging required