first commit

node_modules/postcss-resolve-nested-selector/index.js

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+module.exports = function resolveNestedSelector(selector, node) {
+	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);
+
+	var parentSelectors = (parentIsNestAtRule)
+		? split(parent.params, ',', false).map((x) => x.trim())
+		: parent.selectors;
+
+	var resolvedSelectors = parentSelectors.reduce(function(result, parentSelector) {
+		if (selector.indexOf('&') !== -1) {
+			var newlyResolvedSelectors = resolveNestedSelector(parentSelector, parent).map(function(resolvedParentSelector) {
+				return split(selector, '&', true).join(resolvedParentSelector);
+			});
+			return result.concat(newlyResolvedSelectors);
+		}
+
+		var combinedSelector = [ parentSelector, selector ].join(' ');
+		return result.concat(resolveNestedSelector(combinedSelector, parent));
+	}, []);
+
+	return resolvedSelectors;
+}
+
+var blockPairs = {
+	'(': ')',
+	'[': ']',
+	'{': '}'
+};
+
+function split(string, separator, splitFunctions) {
+	var array = [];
+	var current = '';
+	var split = false;
+
+	var blockClose = [];
+	var inQuote = false;
+	var prevQuote = '';
+	var escape = false;
+
+	for (var letter of string) {
+		if (escape) {
+			escape = false;
+		} else if (letter === '\\') {
+			escape = true;
+		} else if (inQuote) {
+			if (letter === prevQuote) {
+				inQuote = false;
+			}
+		} else if (letter === '"' || letter === "'") {
+			inQuote = true;
+			prevQuote = letter;
+		} else if (letter === '(' || letter === '[' || letter === '{') {
+			blockClose.push(blockPairs[letter]);
+		} else if (letter === blockClose[blockClose.length - 1]) {
+			blockClose.pop();
+		} else if (blockClose.length === 0 || (splitFunctions && blockClose.every((x) => x === ')'))) {
+			if (letter === separator) split = true;
+		}
+
+		if (split) {
+			array.push(current);
+			current = '';
+			split = false;
+		} else {
+			current += letter;
+		}
+	}
+
+	array.push(current);
+	return array;
+}