45 lines
1013 B
JavaScript
Executable File
45 lines
1013 B
JavaScript
Executable File
'use strict';
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/**
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* @param {import('postcss').AnyNode} nodeA
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* @param {import('postcss').AnyNode} nodeB
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* @return {boolean}
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*/
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function checkMatch(nodeA, nodeB) {
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if (nodeA.type === 'atrule' && nodeB.type === 'atrule') {
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return (
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nodeA.params === nodeB.params &&
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nodeA.name.toLowerCase() === nodeB.name.toLowerCase()
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);
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}
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return nodeA.type === nodeB.type;
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}
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/** @typedef {import('postcss').AnyNode & {parent?: Child}} Child */
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/**
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* @param {Child} nodeA
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* @param {Child} nodeB
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* @return {boolean}
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*/
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function sameParent(nodeA, nodeB) {
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if (!nodeA.parent) {
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// A is orphaned, return if B is orphaned as well
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return !nodeB.parent;
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}
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if (!nodeB.parent) {
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// B is orphaned and A is not
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return false;
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}
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// Check if parents match
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if (!checkMatch(nodeA.parent, nodeB.parent)) {
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return false;
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}
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// Check parents' parents
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return sameParent(nodeA.parent, nodeB.parent);
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}
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module.exports = sameParent;
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