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23 lines
591 B
23 lines
591 B
4 years 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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* dot followed by an identifier
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* @type {RegExp}
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*/
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var rClassInSelector = new RegExp('\\.(' + cssHelpers.rIdentifier.source + ')',
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'gm');
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/**
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* Extracts classes 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 extractClassesFromRules(rules) {
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var classes = selectorUniqueMatches(rules, rClassInSelector);
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return classes.map(cssHelpers.unescapeIdentifier);
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}
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module.exports = extractClassesFromRules;
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