code fmt and CI

.editorconfig

@@ -0,0 +1,15 @@
+root = true
+
+[*]
+charset = utf-8
+end_of_line = lf
+indent_style = tab
+insert_final_newline = true
+trim_trailing_whitespace = true
+
+[*.md]
+trim_trailing_whitespace = false
+
+[*.yml]
+indent_size = 2
+indent_style = space

.github/workflows/test.yml

@@ -0,0 +1,37 @@
+name: test
+on:
+ push:
+ branches:
+ - 'main'
+ - 'master'
+ pull_request:
+ workflow_dispatch:
+
+defaults:
+ run:
+ shell: bash
+
+jobs:
+ test:
+ runs-on: ${{ matrix.os }}
+ strategy:
+ fail-fast: false
+ # Test node 14/16/18/20/22 on ubuntu
+ # Test node 20 on macos/windows
+ # Enable annotations only for node 20 + ubuntu
+ matrix:
+ os: [ubuntu-latest]
+ node: [16, 18, 20, 22]
+ steps:
+ - uses: actions/checkout@v4
+ with:
+ fetch-depth: 1
+ - uses: actions/setup-node@v4
+ with:
+ node-version: ${{ matrix.node }}
+
+ - name: npm ci
+ run: npm ci
+
+ - name: test
+ run: npm run test

LICENSE

@@ -1,6 +1,7 @@
 The MIT License (MIT)
 
 Copyright (c) 2016 David Clark
+Copyright © CSSTools Contributors
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal

index.js

@@ -1,25 +1,25 @@
 module.exports = function resolveNestedSelector(selector, node) {
- var parent = node.parent;
- var parentIsNestAtRule = parent.type === 'atrule' && parent.name === 'nest';
+ var parent = node.parent;
+ var parentIsNestAtRule = parent.type === 'atrule' && parent.name === 'nest';
 
- if (parent.type === 'root') return [selector];
- if (parent.type !== 'rule' && !parentIsNestAtRule) return resolveNestedSelector(selector, parent);
+ if (parent.type === 'root') return [selector];
+ if (parent.type !== 'rule' && !parentIsNestAtRule) return resolveNestedSelector(selector, parent);
 
- var parentSelectors = (parentIsNestAtRule)
- ? parent.params.split(',').map(function(s) { return s.trim(); })
- : parent.selectors;
+ var parentSelectors = (parentIsNestAtRule)
+ ? parent.params.split(',').map(function(s) { return s.trim(); })
+ : parent.selectors;
 
- var resolvedSelectors = parentSelectors.reduce(function(result, parentSelector) {
- if (selector.indexOf('&') !== -1) {
- var newlyResolvedSelectors = resolveNestedSelector(parentSelector, parent).map(function(resolvedParentSelector) {
- return selector.replace(/&/g, resolvedParentSelector);
- });
- return result.concat(newlyResolvedSelectors);
- }
+ var resolvedSelectors = parentSelectors.reduce(function(result, parentSelector) {
+ if (selector.indexOf('&') !== -1) {
+ var newlyResolvedSelectors = resolveNestedSelector(parentSelector, parent).map(function(resolvedParentSelector) {
+ return selector.replace(/&/g, resolvedParentSelector);
+ });
+ return result.concat(newlyResolvedSelectors);
+ }
 
- var combinedSelector = [ parentSelector, selector ].join(' ');
- return result.concat(resolveNestedSelector(combinedSelector, parent));
- }, []);
+ var combinedSelector = [ parentSelector, selector ].join(' ');
+ return result.concat(resolveNestedSelector(combinedSelector, parent));
+ }, []);
 
- return resolvedSelectors;
+ return resolvedSelectors;
 }