cleanup

src/index.mjs

@@ -5,6 +5,10 @@ import validateResult from './lib/validate-result.mjs';
 import messages from './lib/messages.mjs';
 import ruleName from './lib/rule-name.mjs';
 
+const meta = {
+	url: 'https://github.com/csstools/stylelint-value-no-unknown-custom-properties/blob/main/README.md',
+};
+
 const ruleFunction = (method, opts) => {
 	// sources to import custom selectors from
 	const importFrom = [].concat(Object(opts).importFrom || []);
@@ -39,6 +43,7 @@ const ruleFunction = (method, opts) => {
 
 ruleFunction.ruleName = ruleName;
 ruleFunction.messages = messages;
+ruleFunction.meta = meta;
 
 export default stylelint.createPlugin(ruleName, ruleFunction);
 

src/lib/get-custom-properties-from-imports.mjs

@@ -1,5 +1,5 @@
-import fs from 'fs/promises';
-import path from 'path';
+import fs from 'node:fs/promises';
+import path from 'node:path';
 import postcss from 'postcss';
 import getCustomPropertiesFromRoot from './get-custom-properties-from-root.mjs';
 

src/lib/get-custom-properties-from-root.mjs

@@ -1,5 +1,5 @@
-import { promises as fs } from 'fs';
-import path from 'path';
+import fs from 'node:fs/promises';
+import path from 'node:path';
 import postcss from 'postcss';
 import { resolveId } from './resolve-id.mjs';
 

src/lib/validate-result.mjs

@@ -11,7 +11,7 @@ export default (result, customProperties) => {
 };
 
 // match custom property inclusions
-const customPropertyReferenceRegExp = /(^|[^\w-])var\([\W\w]+\)/;
+const customPropertyReferenceRegExp = /(^|[^\w-])var\([\W\w]+\)/i;
 
 // whether a declaration references a custom property
 const hasCustomPropertyReference = decl => customPropertyReferenceRegExp.test(decl.value);