1
|
var superPropBase = require("./superPropBase");
|
2
|
|
3
|
var defineProperty = require("./defineProperty");
|
4
|
|
5
|
function set(target, property, value, receiver) {
|
6
|
if (typeof Reflect !== "undefined" && Reflect.set) {
|
7
|
set = Reflect.set;
|
8
|
} else {
|
9
|
set = function set(target, property, value, receiver) {
|
10
|
var base = superPropBase(target, property);
|
11
|
var desc;
|
12
|
|
13
|
if (base) {
|
14
|
desc = Object.getOwnPropertyDescriptor(base, property);
|
15
|
|
16
|
if (desc.set) {
|
17
|
desc.set.call(receiver, value);
|
18
|
return true;
|
19
|
} else if (!desc.writable) {
|
20
|
return false;
|
21
|
}
|
22
|
}
|
23
|
|
24
|
desc = Object.getOwnPropertyDescriptor(receiver, property);
|
25
|
|
26
|
if (desc) {
|
27
|
if (!desc.writable) {
|
28
|
return false;
|
29
|
}
|
30
|
|
31
|
desc.value = value;
|
32
|
Object.defineProperty(receiver, property, desc);
|
33
|
} else {
|
34
|
defineProperty(receiver, property, value);
|
35
|
}
|
36
|
|
37
|
return true;
|
38
|
};
|
39
|
}
|
40
|
|
41
|
return set(target, property, value, receiver);
|
42
|
}
|
43
|
|
44
|
function _set(target, property, value, receiver, isStrict) {
|
45
|
var s = set(target, property, value, receiver || target);
|
46
|
|
47
|
if (!s && isStrict) {
|
48
|
throw new Error('failed to set property');
|
49
|
}
|
50
|
|
51
|
return value;
|
52
|
}
|
53
|
|
54
|
module.exports = _set;
|