lib/deps/pick.js

'use strict';

// like underscore/lodash _.pick()
module.exports = function pick(obj, arr) {
  var res = {};
  for (var i = 0, len = arr.length; i < len; i++) {
    var prop = arr[i];
    if (prop in obj) {
      res[prop] = obj[prop];
    }
  }
  return res;
};