cleanup and a few more tests

lib/rules/media-feature-name-value-no-unknown/__tests__/index.js

@@ -71,6 +71,14 @@ testRule({
 			code: '@media screen and (min-width: env(some-width-variable)) and (hover: env(some-width-variable)) and (aspect-ratio < env(some-number-variable) / 100) {}',
 			description: 'Environment variables',
 		},
+		{
+			code: '@media (-webkit-hover: -webkit-hover) {}',
+			description: 'Double vendor prefixes when valid',
+		},
+		{
+			code: '@media (foo: 100px) {}',
+			description: 'Unknown media feature',
+		},
 	],
 
 	reject: [
@@ -101,6 +109,15 @@ testRule({
 			endLine: 1,
 			endColumn: 42,
 		},
+		{
+			code: '@media (-webkit-hover: -webkit-pointer) {}',
+			description: 'Double vendor prefixes when invalid',
+			message: messages.rejected('-webkit-hover', '-webkit-pointer'),
+			line: 1,
+			column: 24,
+			endLine: 1,
+			endColumn: 38,
+		},
 		{
 			code: '@media (color: 1.1) {}',
 			description: 'Float value when only integers are allowed',

lib/rules/media-feature-name-value-no-unknown/index.js

@@ -1,25 +1,26 @@
 'use strict';
 
-const atRuleParamIndex = require('../../utils/atRuleParamIndex');
-const report = require('../../utils/report');
-const ruleMessages = require('../../utils/ruleMessages');
-const validateOptions = require('../../utils/validateOptions');
-const vendor = require('../../utils/vendor');
-const parseMediaQuery = require('../../utils/parseMediaQuery');
+const { TokenType, NumberType } = require('@csstools/css-tokenizer');
+const { isTokenNode, isFunctionNode } = require('@csstools/css-parser-algorithms');
 const {
 	isMediaFeature,
 	isMediaFeatureValue,
 	matchesRatioExactly,
 } = require('@csstools/media-query-list-parser');
-const { isTokenNode, isFunctionNode } = require('@csstools/css-parser-algorithms');
-const { TokenType, NumberType } = require('@csstools/css-tokenizer');
+
+const atRuleParamIndex = require('../../utils/atRuleParamIndex');
+const parseMediaQuery = require('../../utils/parseMediaQuery');
+const report = require('../../utils/report');
+const ruleMessages = require('../../utils/ruleMessages');
+const validateOptions = require('../../utils/validateOptions');
+const vendor = require('../../utils/vendor');
+const { lengthUnits } = require('../../reference/units');
+const { mathFunctions } = require('../../reference/functions');
 const {
 	mediaFeatureNameAllowedValueKeywords,
 	mediaFeatureNameAllowedValueTypes,
 	mediaFeatureNames,
 } = require('../../reference/mediaFeatures');
-const { lengthUnits } = require('../../reference/units');
-const { mathFunctions } = require('../../reference/functions');
 
 const ruleName = 'media-feature-name-value-no-unknown';