Fix issue where name is undefined for some reason

src/compiler/compile/render_ssr/handlers/shared/get_attribute_value.ts

@@ -23,7 +23,7 @@ export function get_attribute_value(attribute: Attribute): ESTreeExpression {
 	 * For value attribute of textarea, it will render as child node of `<textarea>` element.
 	 * Therefore, we need to escape as content (not attribute).
 	 */
-	const is_textarea_value = attribute.parent.name.toLowerCase() === 'textarea' && attribute.name.toLowerCase() === 'value';
+	const is_textarea_value = attribute.parent.name?.toLowerCase() === 'textarea' && attribute.name?.toLowerCase() === 'value';
 
 	return attribute.chunks
 		.map((chunk) => {