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