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Diffstat (limited to '')
-rw-r--r-- | browser/components/newtab/tools/resourceUriPlugin.js | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/browser/components/newtab/tools/resourceUriPlugin.js b/browser/components/newtab/tools/resourceUriPlugin.js new file mode 100644 index 0000000000..938822f410 --- /dev/null +++ b/browser/components/newtab/tools/resourceUriPlugin.js @@ -0,0 +1,65 @@ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this file, + * You can obtain one at http://mozilla.org/MPL/2.0/. */ + +// This plugin supports finding files with particular resource:// URIs +// and translating the uri into a relative filesytem path where the file may be +// found when running within the Karma / Mocha test framework. + +module.exports = { + ResourceUriPlugin: class ResourceUriPlugin { + /** + * @typedef {RegEx} ResourceReplacement0 + * A regular expression matching a resource:// URI substring to be + * replaced. + * @typedef {string} ResourceReplacement1 + * A string to replace the matched substring with. + * @typedef {[ResourceReplacement0, ResourceReplacement1]} ResourceReplacement + */ + + /** + * Maps regular expressions representing resource URIs to strings that + * should replace matches for those regular expressions. + * + * @type {ResourceReplacement[]} + */ + #resourcePathRegExes; + + /** + * @param {object} options + * @param {ResourceReplacement[]} options.resourcePathRegExes + * An array of regex/string tuples to perform replacements on for + * imports involving resource:// URIs. + */ + constructor({ resourcePathRegExes }) { + this.#resourcePathRegExes = resourcePathRegExes; + } + + apply(compiler) { + compiler.hooks.compilation.tap( + "ResourceUriPlugin", + (compilation, { normalModuleFactory }) => { + normalModuleFactory.hooks.resolveForScheme + .for("resource") + .tap("ResourceUriPlugin", resourceData => { + const url = new URL(resourceData.resource); + + for (let [regex, replacement] of this.#resourcePathRegExes) { + if (!url.href.match(regex)) { + continue; + } + const pathname = url.href.replace(regex, replacement); + resourceData.path = pathname; + resourceData.query = url.search; + resourceData.fragment = url.hash; + resourceData.resource = pathname + url.search + url.hash; + return true; + } + + return true; + }); + } + ); + } + }, +}; |