prr.js
1.54 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
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
/*!
* prr
* (c) 2013 Rod Vagg <rod@vagg.org>
* https://github.com/rvagg/prr
* License: MIT
*/
(function (name, context, definition) {
if (typeof module != 'undefined' && module.exports)
module.exports = definition()
else
context[name] = definition()
})('prr', this, function() {
var setProperty = typeof Object.defineProperty == 'function'
? function (obj, key, options) {
Object.defineProperty(obj, key, options)
return obj
}
: function (obj, key, options) { // < es5
obj[key] = options.value
return obj
}
, makeOptions = function (value, options) {
var oo = typeof options == 'object'
, os = !oo && typeof options == 'string'
, op = function (p) {
return oo
? !!options[p]
: os
? options.indexOf(p[0]) > -1
: false
}
return {
enumerable : op('enumerable')
, configurable : op('configurable')
, writable : op('writable')
, value : value
}
}
, prr = function (obj, key, value, options) {
var k
options = makeOptions(value, options)
if (typeof key == 'object') {
for (k in key) {
if (Object.hasOwnProperty.call(key, k)) {
options.value = key[k]
setProperty(obj, k, options)
}
}
return obj
}
return setProperty(obj, key, options)
}
return prr
})