35 lines
843 B
JavaScript
35 lines
843 B
JavaScript
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'use strict';
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/**
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* Check whether a combinator is standard
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*
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* @param {import('postcss-selector-parser').Combinator} node postcss-selector-parser node (of type combinator)
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* @return {boolean} If `true`, the combinator is standard
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*/
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module.exports = function isStandardSyntaxCombinator(node) {
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// if it's not a combinator, then it's not a standard combinator
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if (node.type !== 'combinator') {
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return false;
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}
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// Ignore reference combinators like `/deep/`
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if (node.value.startsWith('/') || node.value.endsWith('/')) {
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return false;
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}
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// ignore the combinators that are the first or last node in their container
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if (node.parent !== undefined && node.parent !== null) {
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const parent = node.parent;
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if (node === parent.first) {
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return false;
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}
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if (node === parent.last) {
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return false;
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}
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}
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return true;
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};
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