// Copyright 2018-2025 the Deno authors. 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 | undefined;
q: number;
s: number | undefined;
}
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;
}
|