'use strict'; | |
var $export = require('./_export') | |
, toObject = require('./_to-object') | |
, toPrimitive = require('./_to-primitive') | |
, getPrototypeOf = require('./_object-gpo') | |
, getOwnPropertyDescriptor = require('./_object-gopd').f; | |
// B.2.2.5 Object.prototype.__lookupSetter__(P) | |
require('./_descriptors') && $export($export.P + require('./_object-forced-pam'), 'Object', { | |
__lookupSetter__: function __lookupSetter__(P){ | |
var O = toObject(this) | |
, K = toPrimitive(P, true) | |
, D; | |
do { | |
if(D = getOwnPropertyDescriptor(O, K))return D.set; | |
} while(O = getPrototypeOf(O)); | |
} | |
}); |