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