1'use strict';
2var $export = require('./_export');
3var toObject = require('./_to-object');
4var toPrimitive = require('./_to-primitive');
5var getPrototypeOf = require('./_object-gpo');
6var getOwnPropertyDescriptor = require('./_object-gopd').f;
7
8// B.2.2.5 Object.prototype.__lookupSetter__(P)
9require('./_descriptors') && $export($export.P + require('./_object-forced-pam'), 'Object', {
10  __lookupSetter__: function __lookupSetter__(P) {
11    var O = toObject(this);
12    var K = toPrimitive(P, true);
13    var D;
14    do {
15      if (D = getOwnPropertyDescriptor(O, K)) return D.set;
16    } while (O = getPrototypeOf(O));
17  }
18});
19