gistfile1.txt

export function equalArraysOrString(a: string | string[], b: string | string[]) {
  if (Array.isArray(a) && Array.isArray(b)) {
    if (a.length != b.length) return false;
    return a.every(aItem => b.indexOf(aItem) > -1);
  } else {
    return a === b;
  }
}