Refactor to commonize regex patterns (#8272)

Author: ryo-manba

lib/rules/at-rule-descriptor-no-unknown/index.cjs

@@ -1,17 +1,12 @@
 import { lexer } from 'css-tree';
 
+import { atRuleRegexes } from '../../utils/regexes.mjs';
 import isStandardSyntaxAtRule from '../../utils/isStandardSyntaxAtRule.mjs';
 import isStandardSyntaxDeclaration from '../../utils/isStandardSyntaxDeclaration.mjs';
-import { nestingSupportedAtKeywords } from '../../reference/atKeywords.mjs';
 import report from '../../utils/report.mjs';
 import ruleMessages from '../../utils/ruleMessages.mjs';
 import validateOptions from '../../utils/validateOptions.mjs';
 
-const UNSUPPORTED_NESTING_REGEX = new RegExp(
-	`^((?!${[...nestingSupportedAtKeywords.values()].join('|')}).)*$`,
-	'i',
-);
-
 const ruleName = 'at-rule-descriptor-no-unknown';
 
 const messages = ruleMessages(ruleName, {
@@ -32,7 +27,7 @@ const rule = (primary) => {
 			return;
 		}
 
-		root.walkAtRules(UNSUPPORTED_NESTING_REGEX, (atRule) => {
+		root.walkAtRules(atRuleRegexes.unsupportedNesting, (atRule) => {
 			if (!isStandardSyntaxAtRule(atRule)) return;
 
 			atRule.walkDecls((decl) => {

lib/rules/at-rule-descriptor-no-unknown/index.mjs

@@ -1,18 +1,13 @@
 import { lexer } from 'css-tree';
 
+import { atRuleRegexes } from '../../utils/regexes.mjs';
 import { declarationValueIndex } from '../../utils/nodeFieldIndices.mjs';
 import isStandardSyntaxAtRule from '../../utils/isStandardSyntaxAtRule.mjs';
 import isStandardSyntaxDeclaration from '../../utils/isStandardSyntaxDeclaration.mjs';
-import { nestingSupportedAtKeywords } from '../../reference/atKeywords.mjs';
 import report from '../../utils/report.mjs';
 import ruleMessages from '../../utils/ruleMessages.mjs';
 import validateOptions from '../../utils/validateOptions.mjs';
 
-const UNSUPPORTED_NESTING_REGEX = new RegExp(
-	`^((?!${[...nestingSupportedAtKeywords.values()].join('|')}).)*$`,
-	'i',
-);
-
 const ruleName = 'at-rule-descriptor-value-no-unknown';
 
 const messages = ruleMessages(ruleName, {
@@ -33,7 +28,7 @@ const rule = (primary) => {
 			return;
 		}
 
-		root.walkAtRules(UNSUPPORTED_NESTING_REGEX, (atRule) => {
+		root.walkAtRules(atRuleRegexes.unsupportedNesting, (atRule) => {
 			if (!isStandardSyntaxAtRule(atRule)) return;
 
 			atRule.walkDecls((decl) => {

lib/rules/at-rule-descriptor-value-no-unknown/index.cjs

@@ -1,5 +1,6 @@
 import valueParser from 'postcss-value-parser';
 
+import { atRuleRegexes } from '../../utils/regexes.mjs';
 import { declarationValueIndex } from '../../utils/nodeFieldIndices.mjs';
 import isVarFunction from '../../utils/isVarFunction.mjs';
 import report from '../../utils/report.mjs';
@@ -50,7 +51,7 @@ const rule = (primary) => {
 		/** @type {Set<string>} */
 		const knownCustomProperties = new Set();
 
-		root.walkAtRules(/^property$/i, ({ params }) => {
+		root.walkAtRules(atRuleRegexes.property, ({ params }) => {
 			knownCustomProperties.add(params);
 		});
 

lib/rules/at-rule-descriptor-value-no-unknown/index.mjs

@@ -1,6 +1,7 @@
 import { find, fork, parse, string } from 'css-tree';
 
 import { isRegExp, isString } from '../../utils/validateTypes.mjs';
+import { atRuleRegexes } from '../../utils/regexes.mjs';
 import { declarationValueIndex } from '../../utils/nodeFieldIndices.mjs';
 import { isDeclaration } from '../../utils/typeGuards.mjs';
 
@@ -85,7 +86,7 @@ const rule = (primary, secondaryOptions) => {
 		/** @type {Map<string, string>} */
 		const typedCustomPropertyNames = new Map();
 
-		root.walkAtRules(/^property$/i, (atRule) => {
+		root.walkAtRules(atRuleRegexes.property, (atRule) => {
 			const propName = atRule.params.trim();
 
 			if (!propName || !atRule.nodes || !isCustomProperty(propName)) return;

lib/rules/custom-property-no-missing-var-function/index.cjs

@@ -1,6 +1,7 @@
 import valueParser from 'postcss-value-parser';
 
 import { atRuleParamIndex } from '../../utils/nodeFieldIndices.mjs';
+import { atRuleRegexes } from '../../utils/regexes.mjs';
 import getAtRuleParams from '../../utils/getAtRuleParams.mjs';
 import report from '../../utils/report.mjs';
 import ruleMessages from '../../utils/ruleMessages.mjs';
@@ -41,7 +42,7 @@ const rule = (primary) => {
 
 		if (!validOptions) return;
 
-		root.walkAtRules(/^import$/i, checkAtRuleImportParams);
+		root.walkAtRules(atRuleRegexes.import, checkAtRuleImportParams);
 
 		/** @param {AtRule} atRule */
 		function checkAtRuleImportParams(atRule) {