forked from chaijs/chai
/
transferFlags.js
45 lines (40 loc) · 1.33 KB
/
transferFlags.js
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
/*!
* Chai - transferFlags utility
* Copyright(c) 2012-2014 Jake Luer <jake@alogicalparadox.com>
* MIT Licensed
*/
/**
* ### .transferFlags(assertion, object, includeAll = true)
*
* Transfer all the flags for `assertion` to `object`. If
* `includeAll` is set to `false`, then the base Chai
* assertion flags (namely `object`, `ssfi`, `lockSsfi`,
* and `message`) will not be transferred.
*
*
* var newAssertion = new Assertion();
* utils.transferFlags(assertion, newAssertion);
*
* var anotherAssertion = new Assertion(myObj);
* utils.transferFlags(assertion, anotherAssertion, false);
*
* @param {Assertion} assertion the assertion to transfer the flags from
* @param {Object} object the object to transfer the flags to; usually a new assertion
* @param {Boolean} includeAll
* @namespace Utils
* @name transferFlags
* @api private
*/
module.exports = function transferFlags(assertion, object, includeAll) {
var flags = assertion.__flags || (assertion.__flags = Object.create(null));
if (!object.__flags) {
object.__flags = Object.create(null);
}
includeAll = arguments.length === 3 ? includeAll : true;
for (var flag in flags) {
if (includeAll ||
(flag !== 'object' && flag !== 'ssfi' && flag !== 'lockSsfi' && flag != 'message')) {
object.__flags[flag] = flags[flag];
}
}
};