hexo/node_modules/core-js/library/modules/es7.object.lookup-setter.js

19 lines
642 B
JavaScript

'use strict';
var $export = require('./_export');
var toObject = require('./_to-object');
var toPrimitive = require('./_to-primitive');
var getPrototypeOf = require('./_object-gpo');
var 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);
var K = toPrimitive(P, true);
var D;
do {
if (D = getOwnPropertyDescriptor(O, K)) return D.set;
} while (O = getPrototypeOf(O));
}
});