stringzy/dist/validations/isPalindrome.js

A versatile string manipulation library providing a range of text utilities for JavaScript and Node.js applications.

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.isPalindrome = isPalindrome;
/**
 * Checks whether the given string is a palindrome.
 *
 * The check is case-insensitive and ignores all non-alphanumeric characters.
 *
 * @param {string} str - The input string to check.
 * @returns {boolean} True if the input is a palindrome, false otherwise.
 * @throws {TypeError} If the input is not a string.
 */
function isPalindrome(str) {
    if (typeof str !== 'string') {
        throw new TypeError('Input must be a string');
    }
    const sanitized = str
        .toLowerCase()
        .replace(/[^a-z0-9]/gi, '');
    return sanitized === sanitized.split('').reverse().join('');
}