Fix selector-pseudo-class-no-unknown false positives for :heading (#8749)

Mouvedia · web-flow · commit 55377c7452bc · 2025-09-07T13:08:21.000+01:00
diff --git a/.changeset/yummy-actors-serve.md b/.changeset/yummy-actors-serve.md
@@ -0,0 +1,5 @@
+---
+"stylelint": patch
+---
+
+Fixed: `selector-pseudo-class-no-unknown` false positives for `:heading`
diff --git a/lib/reference/selectors.cjs b/lib/reference/selectors.cjs
diff --git a/lib/reference/selectors.mjs b/lib/reference/selectors.mjs
@@ -421,6 +421,7 @@ export const pseudoClasses = uniteSets(
 		'fullscreen',
 		'future',
 		'has-slotted',
+		'heading',
 		'high-value',
 		'host-context',
 		'host',
diff --git a/lib/rules/selector-pseudo-class-no-unknown/__tests__/index.mjs b/lib/rules/selector-pseudo-class-no-unknown/__tests__/index.mjs
@@ -71,6 +71,9 @@ testRule({
 		{
 			code: ':--heading { }',
 		},
+		{
+			code: ':heading, :heading(1, 4), :heading(odd) { }',
+		},
 		{
 			code: '::-webkit-scrollbar-thumb:window-inactive { }',
 		},

-Original file line number
+Diff line change
@@ @@ -0,0 +1,5 @@ @@
 +---
 +"stylelint": patch
 +---
++
 +Fixed: `selector-pseudo-class-no-unknown` false positives for `:heading`
Original file line number	Diff line number	Diff line change
`@@ -71,6 +71,9 @@ testRule({`
`71`	`71`	`{`
`72`	`72`	`code: ':--heading { }',`
`73`	`73`	`},`
	`74`	`+ {`
	`75`	`+ code: ':heading, :heading(1, 4), :heading(odd) { }',`
	`76`	`+ },`
`74`	`77`	`{`
`75`	`78`	`code: '::-webkit-scrollbar-thumb:window-inactive { }',`
`76`	`79`	`},`