import { CompoundRule, isCompoundRule } from '../CompoundRule';
import { Options } from '../Options';
import { ScalarRule, isScalarRule } from '../ScalarRule';
import { EsLintRule } from '../../enums';

export type Rule<T = Options> = ScalarRule<T> | CompoundRule<T>;

export const isRule = <T = Options>(
	value: unknown,
	specificRule?: EsLintRule,
): value is Rule<T> => {
	return (
		typeof value === 'object' &&
		value !== null &&
		(isScalarRule(value, specificRule) || isCompoundRule(value, specificRule))
	);
};