var _curry2 = require('./internal/_curry2');


/**
 * Similar to `pick` except that this one includes a `key: undefined` pair for
 * properties that don't exist.
 *
 * @func
 * @memberOf R
 * @since v0.1.0
 * @category Object
 * @sig [k] -> {k: v} -> {k: v}
 * @param {Array} names an array of String property names to copy onto a new object
 * @param {Object} obj The object to copy from
 * @return {Object} A new object with only properties from `names` on it.
 * @see R.pick
 * @example
 *
 *      R.pickAll(['a', 'd'], {a: 1, b: 2, c: 3, d: 4}); //=> {a: 1, d: 4}
 *      R.pickAll(['a', 'e', 'f'], {a: 1, b: 2, c: 3, d: 4}); //=> {a: 1, e: undefined, f: undefined}
 */
module.exports = _curry2(function pickAll(names, obj) {
  var result = {};
  var idx = 0;
  var len = names.length;
  while (idx < len) {
    var name = names[idx];
    result[name] = obj[name];
    idx += 1;
  }
  return result;
});