export function isPlainObject(value: unknown): boolean {
  if (typeof value !== 'object' || value === null) {
    return false;
  }
  if (Array.isArray(value)) {
    return false;
  }
  return Object.prototype.toString.call(value) === '[object Object]';
}

export function isEmpty(value: unknown): boolean {
  if (value == null) {
    return true;
  }
  if (Array.isArray(value)) {
    return value.length === 0;
  }
  if (typeof value === 'object') {
    return Object.keys(value).length === 0;
  }
  return false;
}