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