Function palindrome

Recursive/Palindrome.js:9–23

(str)

 */

const palindrome = (str) => {
  if (typeof str !== 'string') {
    throw new TypeError('Invalid Input')
  }

  if (str.length <= 1) {
    return true
  }

  if (str[0] !== str[str.length - 1]) {
    return false
  } else {
    return palindrome(str.slice(1, str.length - 1))
  }
}

export { palindrome }