feat(custom-widgets): complete Custom JSX v2 (#6390)

apps/docs/src/components/ui/radio-group.tsx

@@ -0,0 +1,27 @@
+import { Radio as RadioPrimitive } from "@base-ui/react/radio";
+import { RadioGroup as RadioGroupPrimitive } from "@base-ui/react/radio-group";
+
+import { cn } from "@/lib/utils";
+
+function RadioGroup({ className, ...props }: RadioGroupPrimitive.Props) {
+  return <RadioGroupPrimitive data-slot="radio-group" className={cn("grid w-full gap-2", className)} {...props} />;
+}
+
+function RadioGroupItem({ className, ...props }: RadioPrimitive.Root.Props) {
+  return (
+    <RadioPrimitive.Root
+      data-slot="radio-group-item"
+      className={cn(
+        "group/radio-group-item peer relative flex aspect-square size-4 shrink-0 rounded-full border border-input outline-none after:absolute after:-inset-x-3 after:-inset-y-2 focus-visible:border-ring focus-visible:ring-3 focus-visible:ring-ring/50 disabled:cursor-not-allowed disabled:opacity-50 aria-invalid:border-destructive aria-invalid:ring-3 aria-invalid:ring-destructive/20 aria-invalid:aria-checked:border-primary dark:bg-input/30 dark:aria-invalid:border-destructive/50 dark:aria-invalid:ring-destructive/40 data-checked:border-primary data-checked:bg-primary data-checked:text-primary-foreground dark:data-checked:bg-primary",
+        className,
+      )}
+      {...props}
+    >
+      <RadioPrimitive.Indicator data-slot="radio-group-indicator" className="flex size-4 items-center justify-center">
+        <span className="absolute top-1/2 left-1/2 size-2 -translate-x-1/2 -translate-y-1/2 rounded-full bg-primary-foreground" />
+      </RadioPrimitive.Indicator>
+    </RadioPrimitive.Root>
+  );
+}
+
+export { RadioGroup, RadioGroupItem };