import { Options, isOptions } from '../Options';
import { Severity, isSeverity } from '../../enums';

export type RuleValue<T = Options> = readonly [Severity, (T | null)?];

export const isRuleValue = <T = Options>(
	value: unknown,
): value is RuleValue<T> => {
	return (
		typeof value === 'object' &&
		value !== null &&
		Array.isArray(value) &&
		isSeverity(value[0]) &&
		(!value[1] || isOptions(value[1]))
	);
};