code: function runNpm(deps, options, exec) {
  	options = options || {};
  	exec = exec || spawnSync;
  
  	const args = [
  		options.remove ? 'uninstall' : 'install',
  		options.dev ? '--save-dev' : '--save',
  	].concat(deps);
  
  	return exec('npm', args, {
  		stdio: options.stdio === undefined ? 'inherit' : options.stdio,
  		cwd: options.cwd,
  	});
  }
docs: Install given npm packages
  
  @param {Array|string} deps
  @param {Object} [options]
  @param {boolean} [options.dev=true] --save-dev (--save by default)
  @param {boolean} [options.remove=false] uninstall package (install by default)
  @param {Function} [exec]
  @return {Object}