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