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56 lines
1.6 KiB
Text
56 lines
1.6 KiB
Text
/*
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Copyright 2020 Google LLC
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Use of this source code is governed by an MIT-style
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license that can be found in the LICENSE file or at
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https://opensource.org/licenses/MIT.
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*/
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import '../_version.js';
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function stripParams(fullURL: string, ignoreParams: string[]) {
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const strippedURL = new URL(fullURL);
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for (const param of ignoreParams) {
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strippedURL.searchParams.delete(param);
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}
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return strippedURL.href;
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}
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/**
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* Matches an item in the cache, ignoring specific URL params. This is similar
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* to the `ignoreSearch` option, but it allows you to ignore just specific
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* params (while continuing to match on the others).
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*
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* @private
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* @param {Cache} cache
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* @param {Request} request
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* @param {Object} matchOptions
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* @param {Array<string>} ignoreParams
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* @return {Promise<Response|undefined>}
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*/
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async function cacheMatchIgnoreParams(
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cache: Cache,
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request: Request,
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ignoreParams: string[],
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matchOptions?: CacheQueryOptions,
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): Promise<Response | undefined> {
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const strippedRequestURL = stripParams(request.url, ignoreParams);
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// If the request doesn't include any ignored params, match as normal.
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if (request.url === strippedRequestURL) {
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return cache.match(request, matchOptions);
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}
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// Otherwise, match by comparing keys
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const keysOptions = {...matchOptions, ignoreSearch: true};
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const cacheKeys = await cache.keys(request, keysOptions);
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for (const cacheKey of cacheKeys) {
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const strippedCacheKeyURL = stripParams(cacheKey.url, ignoreParams);
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if (strippedRequestURL === strippedCacheKeyURL) {
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return cache.match(cacheKey, matchOptions);
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}
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}
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return;
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}
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export {cacheMatchIgnoreParams};
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