import bindNot from './bindNot';
import hasOwnProperty from './hasOwnProperty';
import { lengthEquals } from './lengthEquals';
import { isObject } from './valueIsObject';

export function isEmpty(value: unknown): boolean {
  if (!value) {
    return true;
  } else if (hasOwnProperty(value, 'length')) {
    return lengthEquals(value as string | unknown[], 0);
  } else if (isObject(value)) {
    return lengthEquals(Object.keys(value as Record<string, unknown>), 0);
  }

  return false;
}

export const isNotEmpty = bindNot(isEmpty);