ashnaz87-palindrome/bundle.js

Palindrome detector

(function(){function r(e,n,t){function o(i,f){if(!n[i]){if(!e[i]){var c="function"==typeof require&&require;if(!f&&c)return c(i,!0);if(u)return u(i,!0);var a=new Error("Cannot find module '"+i+"'");throw a.code="MODULE_NOT_FOUND",a}var p=n[i]={exports:{}};e[i][0].call(p.exports,function(r){var n=e[i][1][r];return o(n||r)},p,p.exports,r,e,n,t)}return n[i].exports}for(var u="function"==typeof require&&require,i=0;i<t.length;i++)o(t[i]);return o}return r})()({1:[function(require,module,exports){
module.exports = Phrase;

String.prototype.reverse = function() {
  return Array.from(this).reverse().join('').toLowerCase();
}

// Tests whether a string is empty

String.prototype.blank = function() {
  return this.length === 0 || /^\s+|$\s+/gm.test(this);
}

// Returns the last element in an array

Array.prototype.last = function() {
  return this[this.length - 1];
}

function Phrase(content) {
  this.content = content;

  this.processedContent = function processedContent() {
    return this.letters().toLowerCase();
  }

  // Returns the letters in the content, e.g.
  // new Phrase('Hello, world!').letters() === 'Helloworld'
  this.letters = function letters() {
    const lettersRegex = /[a-z]/gi;
    return (this.content.match(lettersRegex) || []).join('');
  }
  // Returns true if the phrase is a palindrome, false otherwise.
  this.palindrome = function palindrome() {
    if (this.processedContent()) {
      return this.processedContent() === this.processedContent().reverse();
    } else {
      return false;
    }
  }
}

function TranslatedPhrase(content, translation) {
  this.content = content;
  this.translation = translation;

  // Returns translation processed for palindrome testing.
  this.processedContent = function processedContent() {
    return this.processor(this.translation);
  }
}


TranslatedPhrase.prototype = new Phrase();
},{}],2:[function(require,module,exports){
let Phrase = require('./index.js');

function palindromeTester(event) {
  event.preventDefault();

  let phrase = new Phrase(event.target.phrase.value);

  let palindromeResult = document.querySelector('#palindromeResult');

  if (phrase.palindrome()) {
    palindromeResult.innerHTML = `<strong>"${phrase.content}"</strong> is a palindrome!`
  } else {
    palindromeResult.innerHTML = `<strong>"${phrase.content}"</strong> is not a palindrome!`
  }
}

document.addEventListener('DOMContentLoaded', function() {
  let tester = document.querySelector('#palindromeTester');
  tester.addEventListener('submit', function(event) {
    event.preventDefault();
    palindromeTester(event);
  });
});
},{"./index.js":1}]},{},[2]);