| 'use strict'; |
| |
| const keywordSets = require('../reference/keywordSets'); |
| |
| /** |
| * Check whether a node is a context-functional pseudo-class (i.e. either a logical combination |
| * or a 'aNPlusBOfSNotationPseudoClasses' / tree-structural pseudo-class) |
| * |
| * @param {import('postcss-selector-parser').Pseudo} node postcss-selector-parser node (of type pseudo) |
| * @return {boolean} If `true`, the node is a context-functional pseudo-class |
| */ |
| module.exports = function isContextFunctionalPseudoClass(node) { |
| if (node.type === 'pseudo') { |
| const normalisedParentName = node.value.toLowerCase().replace(/:+/, ''); |
| |
| return ( |
| keywordSets.logicalCombinationsPseudoClasses.has(normalisedParentName) || |
| keywordSets.aNPlusBOfSNotationPseudoClasses.has(normalisedParentName) |
| ); |
| } |
| |
| return false; |
| }; |