get.js
1.05 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
"use strict";
exports.__esModule = true;
var _getPrototypeOf = require("../core-js/object/get-prototype-of");
var _getPrototypeOf2 = _interopRequireDefault(_getPrototypeOf);
var _getOwnPropertyDescriptor = require("../core-js/object/get-own-property-descriptor");
var _getOwnPropertyDescriptor2 = _interopRequireDefault(_getOwnPropertyDescriptor);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
exports.default = function get(object, property, receiver) {
if (object === null) object = Function.prototype;
var desc = (0, _getOwnPropertyDescriptor2.default)(object, property);
if (desc === undefined) {
var parent = (0, _getPrototypeOf2.default)(object);
if (parent === null) {
return undefined;
} else {
return get(parent, property, receiver);
}
} else if ("value" in desc) {
return desc.value;
} else {
var getter = desc.get;
if (getter === undefined) {
return undefined;
}
return getter.call(receiver);
}
};