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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,94 @@ | ||
| // NOTICE: This file is generated by Rollup. To modify it, | ||
| // please instead edit the ESM counterpart and rebuild with Rollup (npm run build). | ||
| 'use strict'; | ||
|
|
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| const selectorResolveNested = require('@csstools/selector-resolve-nested'); | ||
| const typeGuards = require('./typeGuards.cjs'); | ||
| const getRuleSelector = require('./getRuleSelector.cjs'); | ||
| const selectorAST = require('./selectorAST.cjs'); | ||
| const selectorParser = require('postcss-selector-parser'); | ||
|
|
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| /** | ||
| * @typedef {import('postcss-selector-parser').Selector} Selector | ||
| * @typedef {import('postcss-selector-parser').Root} SelectorRoot | ||
| * @param {import('postcss').Rule} rule | ||
| * @param {import('stylelint').PostcssResult} result | ||
| * @returns {Array<{selector: Selector, resolvedSelectors: Array<Selector>}> | undefined} | ||
| */ | ||
| function resolveNestedSelectorsForRule(rule, result) { | ||
| /** @typedef {import('postcss').Document} Document */ | ||
| /** @typedef {import('postcss').Root} Root */ | ||
| /** @typedef {import('postcss').Container} Container */ | ||
|
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| const ownAST = selectorAST(getRuleSelector(rule), result, rule); | ||
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| if (!ownAST) return; | ||
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| /** @type {import('postcss-selector-parser').Root | undefined} */ | ||
| let ast = undefined; | ||
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| /** @type {Array<Document|Root|Container>} */ | ||
| let ancestors = []; | ||
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| { | ||
| /** @type {Document|Root|Container|undefined} */ | ||
| let parent = rule.parent; | ||
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| while (parent) { | ||
| ancestors.push(parent); | ||
| parent = parent.parent; | ||
| } | ||
| } | ||
|
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| ancestors.reverse(); | ||
|
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| for (const child of ancestors) { | ||
| if (typeGuards.isRule(child)) { | ||
| const childAST = selectorAST(getRuleSelector(child), result, child); | ||
|
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| if (!childAST) return; | ||
|
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| if (ast) { | ||
| ast = selectorResolveNested.resolveNestedSelector(childAST, ast); | ||
| } else { | ||
| ast = childAST; | ||
| } | ||
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| continue; | ||
| } | ||
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| if (typeGuards.isAtRule(child) && ast) { | ||
| // `.foo, #bar { @media screen { color: red; } }` | ||
| // equivalent to | ||
| // `@media screen { .foo, #bar { & { color: red; } } }` | ||
| // `@media screen { :is(.foo, #bar) { color: red; } }` | ||
| const childAST = selectorAST('&', result, child); | ||
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| if (!childAST) return; | ||
|
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| ast = selectorResolveNested.resolveNestedSelector(childAST, ast); | ||
| } | ||
| } | ||
|
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| return ownAST.map((selector) => { | ||
| if (!ast) { | ||
| return { | ||
| selector, | ||
| resolvedSelectors: [selector.clone()], | ||
| }; | ||
| } | ||
|
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| return { | ||
| selector, | ||
| resolvedSelectors: selectorResolveNested.resolveNestedSelector( | ||
| selectorParser.root({ | ||
| nodes: [selector], | ||
| value: '', | ||
| }), | ||
| ast, | ||
| ).nodes, | ||
| }; | ||
| }); | ||
| } | ||
|
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| module.exports = resolveNestedSelectorsForRule; |
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