From 1d1729822a18d4cd3ce1a1d3d8c23806a760b397 Mon Sep 17 00:00:00 2001 From: Syed Fasiuddin Date: Sun, 10 Oct 2021 12:41:22 +0530 Subject: [PATCH] running the test and style commands --- String/AlphaNumericPalindrome.js | 62 +++++++++++----------- String/test/AlphaNumericPalindrome.test.js | 22 ++++---- 2 files changed, 41 insertions(+), 43 deletions(-) diff --git a/String/AlphaNumericPalindrome.js b/String/AlphaNumericPalindrome.js index 6439e9939..f7e43a65f 100644 --- a/String/AlphaNumericPalindrome.js +++ b/String/AlphaNumericPalindrome.js @@ -6,59 +6,57 @@ /***************************************************************************** * What is a palindrome? https://en.wikipedia.org/wiki/Palindrome - * + * * The function alphaNumericPlaindrome() recieves a sting with varying formats * like "racecar", "RaceCar", and "race CAR" - * The string can also have special characters + * The string can also have special characters * like "2A3*3a2", "2A3 3a2", and "2_A3*3#A2" - * - * But the catch is, we have to check only if the alphanumeric characters - * are palindrome i.e remove spaces, symbols, punctuations etc + * + * But the catch is, we have to check only if the alphanumeric characters + * are palindrome i.e remove spaces, symbols, punctuations etc * and the case of the characters doesn't matter - * - * This is one of the questions/projects that we have to solve for the + * + * This is one of the questions/projects that we have to solve for the * JavaScript Algorithms and Data Structures course on https://www.freecodecamp.org - * - * Author -- Syed Fasiuddin + * + * Author -- Syed Fasiuddin * https://github.com/SyedFasiuddin - * + * ****************************************************************************/ const alphaNumericPlaindrome = (str) => { - // removing all the special characters and turning everything to lowercase - let newStr = str.replace(/[^a-zA-Z0-9]*/g, "").toLowerCase(); - // the newStr variable is a string and only has alphanumeric characters all in lowercase + // removing all the special characters and turning everything to lowercase + const newStr = str.replace(/[^a-zA-Z0-9]*/g, '').toLowerCase() + // the newStr variable is a string and only has alphanumeric characters all in lowercase - // making an array of individual characters as it's elements - let arr = newStr.split("") + // making an array of individual characters as it's elements + const arr = newStr.split('') - // setting a variable to see if change occurs to it - let palin = 0; + // setting a variable to see if change occurs to it + let palin = 0 - // making a copy of arr with spread operator - let arrRev = [...arr]; - // you can use arrRev.reverse() to reverse the array - // or else you can use the below method + // making a copy of arr with spread operator + const arrRev = [...arr] + // you can use arrRev.reverse() to reverse the array + // or else you can use the below method - // iterate through the arr and check the condition of palindrome - for (let i = 0; i < arr.length; i++) { - if (arr[i] !== arrRev[arr.length - 1 - i]) { - // if the string is not palindrome then we change palin varaible to 1 - palin = 1 - } + // iterate through the arr and check the condition of palindrome + for (let i = 0; i < arr.length; i++) { + if (arr[i] !== arrRev[arr.length - 1 - i]) { + // if the string is not palindrome then we change palin varaible to 1 + palin = 1 } + } - // if the string is palindrome then palin variable is never changed - if (palin == 0) return true; - else return false; + // if the string is palindrome then palin variable is never changed + if (palin == 0) return true + else return false } - // test cases // alphaNumericPlaindrome("eye"); // alphaNumericPlaindrome("0_0 (: /-\ :) 0-0") // alphaNumericPlaindrome("five|\_/|four") // alphaNumericPlaindrome("A man, a plan, a canal. Panama") - export { alphaNumericPlaindrome } diff --git a/String/test/AlphaNumericPalindrome.test.js b/String/test/AlphaNumericPalindrome.test.js index a8de6dd6e..10f36f231 100644 --- a/String/test/AlphaNumericPalindrome.test.js +++ b/String/test/AlphaNumericPalindrome.test.js @@ -1,21 +1,21 @@ -import { alphaNumericPlaindrome } from "../AlphanumericPalindrome"; +import { alphaNumericPlaindrome } from '../AlphanumericPalindrome' -test("should return true if the given string has alphanumeric characters that are palindrom irrespective of case and symbols", () => { - expect(alphaNumericPlaindrome("eye")).toBe(true) +test('should return true if the given string has alphanumeric characters that are palindrom irrespective of case and symbols', () => { + expect(alphaNumericPlaindrome('eye')).toBe(true) }) -test("should return true if the given string has alphanumeric characters that are palindrom irrespective of case and symbols", () => { - expect(alphaNumericPlaindrome("0_0 (: /-\ :) 0-0")).toBe(true) +test('should return true if the given string has alphanumeric characters that are palindrom irrespective of case and symbols', () => { + expect(alphaNumericPlaindrome('0_0 (: /-\ :) 0-0')).toBe(true) }) -test("should return true if the given string has alphanumeric characters that are palindrom irrespective of case and symbols", () => { - expect(alphaNumericPlaindrome("five|\_/|four")).toBe(false) +test('should return true if the given string has alphanumeric characters that are palindrom irrespective of case and symbols', () => { + expect(alphaNumericPlaindrome('five|\_/|four')).toBe(false) }) -test("should return true if the given string has alphanumeric characters that are palindrom irrespective of case and symbols", () => { - expect(alphaNumericPlaindrome("A man, a plan, a canal. Panama")).toBe(true) +test('should return true if the given string has alphanumeric characters that are palindrom irrespective of case and symbols', () => { + expect(alphaNumericPlaindrome('A man, a plan, a canal. Panama')).toBe(true) }) -test("should return true if the given string has alphanumeric characters that are palindrom irrespective of case and symbols", () => { - expect(alphaNumericPlaindrome("1 eye for of 1 eye.")).toBe(false) +test('should return true if the given string has alphanumeric characters that are palindrom irrespective of case and symbols', () => { + expect(alphaNumericPlaindrome('1 eye for of 1 eye.')).toBe(false) })