@valkyriestudios/validator/functions/vISBN.d.ts

A lightweight configurable javascript validator

import { type ISBN_10, type ISBN_13, type ISBN } from '../types';
/**
 * Validate that a provided value is a valid ISBN-10 identifier
 *
 * @param {unknown} val - Value to verify
 */
declare function vISBN10(val: unknown): val is ISBN_10;
/**
 * Validate that a provided value is a valid ISBN-13 identifier
 *
 * @param {unknown} val - Value to verify
 */
declare function vISBN13(val: unknown): val is ISBN_13;
/**
 * Validate that a provided value is a valid ISBN-10 or ISBN-13 identifier
 *
 * @param {unknown} val - Value to verify
 */
declare function vISBN(val: unknown): val is ISBN;
export { vISBN10, vISBN13, vISBN };