minnan-website/api/Utils.ts

export function transformSomeToArray(source: any) {
  if (typeof source === 'string') 
    return source.split(','); 
  if (typeof source === 'object') {
    if (source instanceof Array)
      return source; 
    else {
      const arr = [];
      for (const key in source)
        arr.push(source[key]);
      return arr;
    }
  }
  return source;
}