-
Notifications
You must be signed in to change notification settings - Fork 576
/
common.ts
51 lines (48 loc) · 1.76 KB
/
common.ts
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
// Copyright 2018-2023 the Deno authors. All rights reserved. MIT license.
/*!
* Adapted directly from negotiator at https://github.com/jshttp/negotiator/
* which is licensed as follows:
*
* (The MIT License)
*
* Copyright (c) 2012-2014 Federico Romero
* Copyright (c) 2012-2014 Isaac Z. Schlueter
* Copyright (c) 2014-2015 Douglas Christopher Wilson
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* 'Software'), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
export interface Specificity {
i: number;
o?: number;
q: number;
s?: number;
}
export function compareSpecs(a: Specificity, b: Specificity): number {
return (
b.q - a.q ||
(b.s ?? 0) - (a.s ?? 0) ||
(a.o ?? 0) - (b.o ?? 0) ||
a.i - b.i ||
0
);
}
export function isQuality(spec: Specificity): boolean {
return spec.q > 0;
}