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23 lines
449 B
23 lines
449 B
'use strict'; |
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/** |
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* Find the at-rule in which a rule is nested. |
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* |
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* Returns `null` if the rule is not nested within an at-rule. |
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* |
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* @param {import('postcss').Rule} rule |
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* @returns {null | import('postcss').AtRule} |
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*/ |
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module.exports = function findAtRuleContext(rule) { |
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const parent = rule.parent; |
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if (parent.type === 'root') { |
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return null; |
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} |
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if (parent.type === 'atrule') { |
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return parent; |
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} |
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return findAtRuleContext(parent); |
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};
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