debian-mirror-gitlab/core-js/modules/es.reflect.get.js
2019-09-25 13:30:05 +05:30

24 lines
1,008 B
JavaScript

var $ = require('../internals/export');
var isObject = require('../internals/is-object');
var anObject = require('../internals/an-object');
var has = require('../internals/has');
var getOwnPropertyDescriptorModule = require('../internals/object-get-own-property-descriptor');
var getPrototypeOf = require('../internals/object-get-prototype-of');
// `Reflect.get` method
// https://tc39.github.io/ecma262/#sec-reflect.get
function get(target, propertyKey /* , receiver */) {
var receiver = arguments.length < 3 ? target : arguments[2];
var descriptor, prototype;
if (anObject(target) === receiver) return target[propertyKey];
if (descriptor = getOwnPropertyDescriptorModule.f(target, propertyKey)) return has(descriptor, 'value')
? descriptor.value
: descriptor.get === undefined
? undefined
: descriptor.get.call(receiver);
if (isObject(prototype = getPrototypeOf(target))) return get(prototype, propertyKey, receiver);
}
$({ target: 'Reflect', stat: true }, {
get: get
});