import { isObject } from '@sindresorhus/is';
import { hasKey } from '../../../util/object.ts';
import type { PreCommitConfig, PreCommitDependency } from './types.ts';

/**
 * Type guard to determine whether the file matches pre-commit configuration format
 * Example original yaml:
 *
 *   repos
 *   - repo: https://github.com/user/repo
 *     rev: v1.0.0
 */
export function matchesPrecommitConfigHeuristic(
  data: unknown,
): data is PreCommitConfig {
  return !!(isObject(data) && hasKey('repos', data));
}

/**
 * Type guard to determine whether a given repo definition defines a pre-commit Git hook dependency.
 * Example original yaml portion
 *
 *   - repo: https://github.com/user/repo
 *     rev: v1.0.0
 */
export function matchesPrecommitDependencyHeuristic(
  data: unknown,
): data is PreCommitDependency {
  return !!(isObject(data) && hasKey('repo', data) && hasKey('rev', data));
}