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node_modules/stylelint/lib/rules/declaration-property-max-values/index.cjs

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+// 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';
+
+const valueParser = require('postcss-value-parser');
+const validateTypes = require('../../utils/validateTypes.cjs');
+const isNonNegativeInteger = require('../../utils/isNonNegativeInteger.cjs');
+const matchesStringOrRegExp = require('../../utils/matchesStringOrRegExp.cjs');
+const report = require('../../utils/report.cjs');
+const ruleMessages = require('../../utils/ruleMessages.cjs');
+const validateObjectWithProps = require('../../utils/validateObjectWithProps.cjs');
+const validateOptions = require('../../utils/validateOptions.cjs');
+const vendor = require('../../utils/vendor.cjs');
+
+const ruleName = 'declaration-property-max-values';
+
+const messages = ruleMessages(ruleName, {
+	rejected: (property, max) =>
+		`Expected "${property}" to have no more than ${max} ${max === 1 ? 'value' : 'values'}`,
+});
+
+const meta = {
+	url: 'https://stylelint.io/user-guide/rules/declaration-property-max-values',
+};
+
+/**
+ * @param {valueParser.Node} node
+ */
+const isValueNode = (node) => {
+	return node.type === 'word' || node.type === 'function' || node.type === 'string';
+};
+
+/** @type {import('stylelint').CoreRules[ruleName]} */
+const rule = (primary) => {
+	return (root, result) => {
+		const validOptions = validateOptions(result, ruleName, {
+			actual: primary,
+			possible: [validateObjectWithProps(isNonNegativeInteger)],
+		});
+
+		if (!validOptions) {
+			return;
+		}
+
+		root.walkDecls((decl) => {
+			const { prop, value } = decl;
+			const propLength = valueParser(value).nodes.filter(isValueNode).length;
+
+			const unprefixedProp = vendor.unprefixed(prop);
+			const propKey = Object.keys(primary).find((propIdentifier) =>
+				matchesStringOrRegExp(unprefixedProp, propIdentifier),
+			);
+
+			if (!propKey) {
+				return;
+			}
+
+			const max = primary[propKey];
+
+			validateTypes.assertNumber(max);
+
+			if (propLength <= max) {
+				return;
+			}
+
+			report({
+				message: messages.rejected,
+				messageArgs: [prop, max],
+				node: decl,
+				result,
+				ruleName,
+			});
+		});
+	};
+};
+
+rule.ruleName = ruleName;
+rule.messages = messages;
+rule.meta = meta;
+
+module.exports = rule;