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22 lines
591 B
22 lines
591 B
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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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