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node_modules/stylelint/lib/rules/function-url-no-scheme-relative/index.mjs

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+import functionArgumentsSearch from '../../utils/functionArgumentsSearch.mjs';
+import isStandardSyntaxUrl from '../../utils/isStandardSyntaxUrl.mjs';
+import report from '../../utils/report.mjs';
+import ruleMessages from '../../utils/ruleMessages.mjs';
+import validateOptions from '../../utils/validateOptions.mjs';
+
+const ruleName = 'function-url-no-scheme-relative';
+
+const messages = ruleMessages(ruleName, {
+	rejected: 'Unexpected scheme-relative url',
+});
+
+const meta = {
+	url: 'https://stylelint.io/user-guide/rules/function-url-no-scheme-relative',
+};
+
+/** @type {import('stylelint').CoreRules[ruleName]} */
+const rule = (primary) => {
+	return (root, result) => {
+		const validOptions = validateOptions(result, ruleName, { actual: primary });
+
+		if (!validOptions) {
+			return;
+		}
+
+		root.walkDecls((decl) => {
+			functionArgumentsSearch(decl.toString().toLowerCase(), 'url', (args, index) => {
+				const url = args.trim().replace(/^['"]+|['"]+$/g, '');
+
+				if (!isStandardSyntaxUrl(url) || !url.startsWith('//')) {
+					return;
+				}
+
+				report({
+					message: messages.rejected,
+					node: decl,
+					index,
+					endIndex: index + args.length,
+					result,
+					ruleName,
+				});
+			});
+		});
+	};
+};
+
+rule.ruleName = ruleName;
+rule.messages = messages;
+rule.meta = meta;
+export default rule;