in packages/react-search-ui-views/src/view-helpers/appendClassName.ts [7:19]
export default function appendClassName(
baseClassName?: string | string[] | undefined,
newClassName?: string | string[] | undefined
): string {
if (!newClassName)
return (
(Array.isArray(baseClassName)
? baseClassName.join(" ")
: baseClassName) || ""
);
if (!baseClassName) return getNewClassName(newClassName) || "";
return `${baseClassName} ${getNewClassName(newClassName)}`;
}