utils.ts

export function isContinuous(numbers: number[]): boolean {
  if (numbers.length <= 1) {
    return true;
  }

  for (let i = 1; i < numbers.length; i++) {
    if (numbers[i] !== numbers[i - 1] + 1) {
      return false;
    }
  }

  return true;
}

/**
 * Decodes a ROT13 encoded string.
 */
export function decodeRot13(str: string): string {
  return str.replace(/[a-zA-Z]/g, c => {
    const base = c <= 'Z' ? 65 : 97;
    return String.fromCharCode(((c.charCodeAt(0) - base + 13) % 26) + base);
  });
}

export function formatEvaluationCriteria(criteriaData: unknown): string {
  if (!criteriaData) {
    return '';
  }
  if (typeof criteriaData === 'string') {
    return criteriaData;
  }
  if (Array.isArray(criteriaData)) {
    return criteriaData
      .map(item => (typeof item === 'string' ? `- ${item.trim()}` : ''))
      .filter(Boolean)
      .join('\n');
  }
  return '';
}