'use strict'; var $ = require('../internals/export'); var DESCRIPTORS = require('../internals/descriptors'); var FORCED = require('../internals/object-prototype-accessors-forced'); var aCallable = require('../internals/a-callable'); var toObject = require('../internals/to-object'); var definePropertyModule = require('../internals/object-define-property'); // `Object.prototype.__defineSetter__` method // https://tc39.es/ecma262/#sec-object.prototype.__defineSetter__ if (DESCRIPTORS) { $({ target: 'Object', proto: true, forced: FORCED }, { __defineSetter__: function __defineSetter__(P, setter) { definePropertyModule.f(toObject(this), P, { set: aCallable(setter), enumerable: true, configurable: true }); } }); }