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added an algo for checking the string is palindrome or not #1366

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Merged
raklaptudirm merged 1 commit into from
Sep 23, 2023
Merged

added an algo for checking the string is palindrome or not #1366

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15 changes: 14 additions & 1 deletion Maths/Palindrome.js
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Original file line number Diff line number Diff line change
Expand Up @@ -45,4 +45,17 @@ const PalindromeIterative = (string) => {
return true
}

export { PalindromeIterative, PalindromeRecursive }
/**
*
* Checks if a string is a palindrome.
* @author dev-madhurendra
* @param {string} str - The string to check.
* @returns {boolean} True if the string is a palindrome, false otherwise.
*
* @example
* const isPalindrome = checkPalindrome('racecar'); // Returns true
* const isNotPalindrome = checkPalindrome('hello'); // Returns false
*/
const checkPalindrome = (str) => str.replace(/\s/g, '') === str.replace(/\s/g, '').split('').reverse().join('')

export { PalindromeIterative, PalindromeRecursive, checkPalindrome }
11 changes: 10 additions & 1 deletion Maths/test/Palindrome.test.js
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@@ -1,4 +1,4 @@
import { PalindromeRecursive, PalindromeIterative } from '../Palindrome'
import { PalindromeRecursive, PalindromeIterative, checkPalindrome } from '../Palindrome'

describe('Palindrome', () => {
it('should return true for a palindrome for PalindromeRecursive', () => {
Expand All @@ -13,4 +13,13 @@ describe('Palindrome', () => {
it('should return true for a non-palindrome for PalindromeIterative', () => {
expect(PalindromeIterative('JavaScript')).toBeFalsy()
})

it.each([
['radar', true],
['hello', false],
['r', true],
[' racecar ', true]
])('should return value is palindrome or not', (value, expected) => {
expect(checkPalindrome(value)).toBe(expected)
})
})