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dewedev/node_modules/workbox-precaching/utils/generateURLVariations.js
dwindown 7f2dd5260f Initial commit: Developer Tools MVP with visual editor
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43 lines
1.5 KiB
JavaScript

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