87 lines
No EOL
2.2 KiB
JavaScript
87 lines
No EOL
2.2 KiB
JavaScript
/*jslint es6: true*/
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/*global window*/
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(function () {
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"use strict";
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const defaultKey = "(default)";
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// From https://www.npmjs.com/package/escape-string-regexp
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const matchOperatorsRe = /[|\\{}()[\]^$+*?.]/g;
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const escapeStringRegexp = function (aString) {
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if (typeof aString !== 'string') {
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throw new TypeError('Expected a string');
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}
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return aString.replace(matchOperatorsRe, '\\$&');
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};
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// From https://www.npmjs.com/package/matcher
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const reCache = new Map();
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const makeRe = function (pattern, shouldNegate) {
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const cacheKey = pattern + shouldNegate;
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if (reCache.has(cacheKey)) {
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return reCache.get(cacheKey);
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}
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const negated = pattern[0] === '!';
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if (negated) {
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pattern = pattern.slice(1);
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}
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pattern = escapeStringRegexp(pattern).replace(/\\\*/g, '.*');
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if (negated && shouldNegate) {
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pattern = `(?!${pattern})`;
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}
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const re = new RegExp(`^${pattern}$`, 'i');
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re.negated = negated;
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reCache.set(cacheKey, re);
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return re;
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};
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const extractHostNameFromUrl = function (url) {
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const uri = window.URI(url);
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return uri.hostname();
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};
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const matchingUrlReduceFunction = function (hostName, prev, next) {
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if (prev) {
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return prev;
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}
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if (makeRe(next, true).test(hostName)) {
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return next;
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}
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return prev;
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};
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const matchHostName = function (domainRegExes, hostName) {
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// of the URL being requested.
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const matchingUrlReduceFunctionBound = matchingUrlReduceFunction.bind(undefined, hostName);
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const matchingPattern = domainRegExes
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.filter((aRule) => aRule !== defaultKey)
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.sort()
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.reduce(matchingUrlReduceFunctionBound, undefined);
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return matchingPattern || undefined;
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};
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const matchUrl = function (domainRegExes, url) {
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const hostName = extractHostNameFromUrl(url);
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return matchHostName(domainRegExes, hostName);
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};
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window.WEB_API_MANAGER.domainMatcherLib = {
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matchHostName,
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matchUrl
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};
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}()); |