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42 lines
1.5 KiB
42 lines
1.5 KiB
/* |
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Copyright 2019 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 { removeIgnoredSearchParams } from './removeIgnoredSearchParams.js'; |
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import '../_version.js'; |
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/** |
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* Generator function that yields possible variations on the original URL to |
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* check, one at a time. |
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* |
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* @param {string} url |
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* @param {Object} options |
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* |
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* @private |
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* @memberof workbox-precaching |
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*/ |
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export function* generateURLVariations(url, { ignoreURLParametersMatching = [/^utm_/, /^fbclid$/], directoryIndex = 'index.html', cleanURLs = true, urlManipulation, } = {}) { |
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const urlObject = new URL(url, location.href); |
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urlObject.hash = ''; |
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yield urlObject.href; |
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const urlWithoutIgnoredParams = removeIgnoredSearchParams(urlObject, ignoreURLParametersMatching); |
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yield urlWithoutIgnoredParams.href; |
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if (directoryIndex && urlWithoutIgnoredParams.pathname.endsWith('/')) { |
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const directoryURL = new URL(urlWithoutIgnoredParams.href); |
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directoryURL.pathname += directoryIndex; |
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yield directoryURL.href; |
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} |
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if (cleanURLs) { |
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const cleanURL = new URL(urlWithoutIgnoredParams.href); |
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cleanURL.pathname += '.html'; |
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yield cleanURL.href; |
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} |
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if (urlManipulation) { |
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const additionalURLs = urlManipulation({ url: urlObject }); |
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for (const urlToAttempt of additionalURLs) { |
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yield urlToAttempt.href; |
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} |
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} |
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}
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