Function classNames

app/utils/classNames.ts:17–25

(...args: ClassNamesArg[])

 * should be included in the final class.
 */
export function classNames(...args: ClassNamesArg[]): string {
  let classes = '';

  for (const arg of args) {
    classes = appendClass(classes, parseValue(arg));
  }

  return classes;
}

function parseValue(arg: ClassNamesArg) {
  if (typeof arg === 'string' || typeof arg === 'number') {