39 lines
842 B
JavaScript
39 lines
842 B
JavaScript
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'use strict';
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/** @typedef {import('postcss').Node} Node */
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/**
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* @param {Node} node
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*/
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function getNodeLine(node) {
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return node.source && node.source.start && node.source.start.line;
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}
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/**
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* @param {Node | undefined} node
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* @returns {Node | undefined}
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*/
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module.exports = function getPreviousNonSharedLineCommentNode(node) {
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if (node === undefined) {
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return undefined;
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}
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const previousNode = node.prev();
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if (!previousNode || previousNode.type !== 'comment') {
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return previousNode;
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}
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if (getNodeLine(node) === getNodeLine(previousNode)) {
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return getPreviousNonSharedLineCommentNode(previousNode);
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}
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const previousNode2 = previousNode.prev();
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if (previousNode2 && getNodeLine(previousNode) === getNodeLine(previousNode2)) {
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return getPreviousNonSharedLineCommentNode(previousNode);
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}
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return previousNode;
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};
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