fix: Ensure never roles are optional

Author: rschristian

src/jsx.d.ts

@@ -1609,7 +1609,7 @@ export namespace JSXInternal {
 	interface BaseHTMLAttributes<T extends EventTarget = HTMLBaseElement>
 		extends HTMLAttributes<T> {
 		href?: Signalish<string | undefined>;
-		role: never;
+		role?: never;
 		target?: Signalish<string | undefined>;
 	}
 
@@ -1682,14 +1682,14 @@ export namespace JSXInternal {
 
 	interface ColHTMLAttributes<T extends EventTarget = HTMLTableColElement>
 		extends HTMLAttributes<T> {
-		role: never;
+		role?: never;
 		span?: Signalish<number | undefined>;
 		width?: Signalish<number | string | undefined>;
 	}
 
 	interface ColgroupHTMLAttributes<T extends EventTarget = HTMLTableColElement>
 		extends HTMLAttributes<T> {
-		role: never;
+		role?: never;
 		span?: Signalish<number | undefined>;
 	}
 
@@ -1705,7 +1705,7 @@ export namespace JSXInternal {
 
 	interface DdHTMLAttributes<T extends EventTarget = HTMLElement>
 		extends HTMLAttributes<T> {
-		role: never;
+		role?: never;
 	}
 
 	interface DelHTMLAttributes<T extends EventTarget = HTMLModElement>
@@ -1806,7 +1806,7 @@ export namespace JSXInternal {
 
 	interface HeadHTMLAttributes<T extends EventTarget = HTMLHeadElement>
 		extends HTMLAttributes<T> {
-		role: never;
+		role?: never;
 	}
 
 	interface HeaderHTMLAttributes<T extends EventTarget = HTMLElement>
@@ -1984,12 +1984,12 @@ export namespace JSXInternal {
 		for?: Signalish<string | undefined>;
 		form?: Signalish<string | undefined>;
 		htmlFor?: Signalish<string | undefined>;
-		role: never;
+		role?: never;
 	}
 
 	interface LegendHTMLAttributes<T extends EventTarget = HTMLLegendElement>
 		extends HTMLAttributes<T> {
-		role: never;
+		role?: never;
 	}
 
 	interface LiHTMLAttributes<T extends EventTarget = HTMLLIElement>
@@ -2012,7 +2012,7 @@ export namespace JSXInternal {
 		referrerpolicy?: Signalish<HTMLAttributeReferrerPolicy | undefined>;
 		referrerPolicy?: HTMLAttributeReferrerPolicy | undefined;
 		rel?: Signalish<string | undefined>;
-		role: never;
+		role?: never;
 		sizes?: Signalish<string | undefined>;
 		type?: Signalish<string | undefined>;
 		charset?: Signalish<string | undefined>;
@@ -2027,7 +2027,7 @@ export namespace JSXInternal {
 	interface MapHTMLAttributes<T extends EventTarget = HTMLMapElement>
 		extends HTMLAttributes<T> {
 		name?: Signalish<string | undefined>;
-		role: never;
+		role?: never;
 	}
 
 	interface MarqueeHTMLAttributes<T extends EventTarget = HTMLMarqueeElement>
@@ -2089,7 +2089,7 @@ export namespace JSXInternal {
 		httpEquiv?: Signalish<string | undefined>;
 		name?: Signalish<string | undefined>;
 		media?: Signalish<string | undefined>;
-		role: never;
+		role?: never;
 	}
 
 	interface MeterHTMLAttributes<T extends EventTarget = HTMLMeterElement>
@@ -2119,7 +2119,7 @@ export namespace JSXInternal {
 
 	interface NoScriptHTMLAttributes<T extends EventTarget = HTMLElement>
 		extends HTMLAttributes<T> {
-		role: never;
+		role?: never;
 	}
 
 	interface ObjectHTMLAttributes<T extends EventTarget = HTMLObjectElement>
@@ -2185,13 +2185,13 @@ export namespace JSXInternal {
 	interface ParamHTMLAttributes<T extends EventTarget = HTMLParamElement>
 		extends HTMLAttributes<T> {
 		name?: Signalish<string | undefined>;
-		role: never;
+		role?: never;
 		value?: Signalish<string | number | undefined>;
 	}
 
 	interface PictureHTMLAttributes<T extends EventTarget = HTMLPictureElement>
 		extends HTMLAttributes<T> {
-		role: never;
+		role?: never;
 	}
 
 	interface ProgressHTMLAttributes<T extends EventTarget = HTMLProgressElement>
@@ -2221,7 +2221,7 @@ export namespace JSXInternal {
 		noModule?: Signalish<boolean | undefined>;
 		referrerpolicy?: Signalish<HTMLAttributeReferrerPolicy | undefined>;
 		referrerPolicy?: HTMLAttributeReferrerPolicy | undefined;
-		role: never;
+		role?: never;
 		src?: Signalish<string | undefined>;
 		type?: Signalish<string | undefined>;
 	}
@@ -2257,14 +2257,14 @@ export namespace JSXInternal {
 	interface SlotHTMLAttributes<T extends EventTarget = HTMLSlotElement>
 		extends HTMLAttributes<T> {
 		name?: Signalish<string | undefined>;
-		role: never;
+		role?: never;
 	}
 
 	interface SourceHTMLAttributes<T extends EventTarget = HTMLSourceElement>
 		extends HTMLAttributes<T> {
 		height?: Signalish<number | string | undefined>;
 		media?: Signalish<string | undefined>;
-		role: never;
+		role?: never;
 		sizes?: Signalish<string | undefined>;
 		src?: Signalish<string | undefined>;
 		srcset?: Signalish<string | undefined>;
@@ -2276,7 +2276,7 @@ export namespace JSXInternal {
 	interface StyleHTMLAttributes<T extends EventTarget = HTMLStyleElement>
 		extends HTMLAttributes<T> {
 		media?: Signalish<string | undefined>;
-		role: never;
+		role?: never;
 		scoped?: Signalish<boolean | undefined>;
 		type?: Signalish<string | undefined>;
 	}
@@ -2308,7 +2308,7 @@ export namespace JSXInternal {
 
 	interface TemplateHTMLAttributes<T extends EventTarget = HTMLTemplateElement>
 		extends HTMLAttributes<T> {
-		role: never;
+		role?: never;
 	}
 
 	interface TextareaHTMLAttributes<T extends EventTarget = HTMLTextAreaElement>
@@ -2357,15 +2357,15 @@ export namespace JSXInternal {
 
 	interface TitleHTMLAttributes<T extends EventTarget = HTMLTitleElement>
 		extends HTMLAttributes<T> {
-		role: never;
+		role?: never;
 	}
 
 	interface TrackHTMLAttributes<T extends EventTarget = HTMLTrackElement>
 		extends MediaHTMLAttributes<T> {
 		default?: Signalish<boolean | undefined>;
 		kind?: Signalish<string | undefined>;
 		label?: Signalish<string | undefined>;
-		role: never;
+		role?: never;
 		srclang?: Signalish<string | undefined>;
 		srcLang?: Signalish<string | undefined>;
 	}

test/ts/dom-attributes-test.tsx

@@ -29,6 +29,11 @@ const signalInvalidAriaRole = (
 	// @ts-expect-error A map should never have any role set
 	<button role={createSignal('presentation' as const)} />
 )
+const validMissingAriaRole = <base href=""></base>
+const signalValidMissingAriaRole = (
+	// @ts-expect-error A map should never have any role set
+	<button role={createSignal('presentation' as const)} />
+)
 
 // @ts-expect-error We should correctly type aria attributes like autocomplete
 const badAriaValues = <div aria-autocomplete="bad-value" />;