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23 lines
571 B
23 lines
571 B
5 months ago
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var cssHelpers = require('./css-helpers');
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var selectorUniqueMatches = require('./selector-unique-matches');
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/**
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* number sign followed by an identifier
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* @type {RegExp}
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*/
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var rIdInSelector = new RegExp('#(' + cssHelpers.rIdentifier.source + ')',
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'gm');
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/**
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* Extracts ids from CSS rules (as AST)
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* @param {Object} rules
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* @return {string[]} list of ids in those rules
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*/
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function extractIdsFromRules(rules) {
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var ids = selectorUniqueMatches(rules, rIdInSelector);
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return ids.map(cssHelpers.unescapeIdentifier);
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}
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module.exports = extractIdsFromRules;
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