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‎02_calculator/README.md

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The goal for this exercise is to create a calculator that does the following:
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add, subtract, get the sum, multiply, get the power, and find the factorial
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In order to do this please fill out each function with your solution. Make sure to return the value so you can test it in Jasmine! To see the expected value
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take a look at the spec file that houses the Jasmine test cases.

‎02_calculator/calculator.js

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function add () {
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}
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function subtract () {
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}
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function sum () {
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}
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function multiply () {
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}
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function power() {
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}
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function factorial() {
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}
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module.exports = {
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add,
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subtract,
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sum,
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multiply,
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power,
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factorial
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}

‎02_calculator/calculator.spec.js

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var calculator = require ('./calculator.js');
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describe('add', function() {
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it('adds 0 and 0', function() {
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expect(calculator.add(0,0)).toEqual(0);
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});
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it('adds 2 and 2', function() {
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expect(calcula F438 tor.add(2,2)).toEqual(4);
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});
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it('adds positive numbers', function() {
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expect(calculator.add(2,6)).toEqual(8);
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});
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});
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describe('subtract', function() {
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it('subtracts numbers', function() {
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expect(calculator.subtract(10,4)).toEqual(6);
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});
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});
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describe('sum', function() {
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it('computes the sum of an empty array', function() {
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expect(calculator.sum([])).toEqual(0);
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});
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it('computes the sum of an array of one number', function() {
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expect(calculator.sum([7])).toEqual(7);
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});
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it('computes the sum of an array of one number', function() {
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expect(calculator.sum([7,11])).toEqual(18);
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});
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it('computes the sum of an array of many numbers', function() {
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expect(calculator.sum([1,3,5,7,9])).toEqual(25);
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});
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});
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describe('multiply', function() {
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it('multiplies two numbers', function() {
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expect(calculator.multiply([2,4])).toEqual(8);
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});
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it('multiplies several numbers', function() {
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expect(calculator.multiply([2,4,6,8,10,12,14])).toEqual(645120);
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});
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});
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describe('power', function() {
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it('raises one number to the power of another number', function() {
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expect(calculator.power(4,3)).toEqual(64); // 4 to third power is 64
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});
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});
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describe('factorial', function() {
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it('computes the factorial of 0', function() {
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expect(calculator.factorial(0)).toEqual(0);
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});
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it('computes the factorial of 1', function() {
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expect(calculator.factorial(1)).toEqual(1);
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});
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it('computes the factorial of 2', function() {
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expect(calculator.factorial(2)).toEqual(2);
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});
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it('computes the factorial of 5', function() {
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expect(calculator.factorial(5)).toEqual(120);
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});
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it('computes the factorial of 10', function() {
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expect(calculator.factorial(10)).toEqual(3628800);
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});
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});

‎03_simon_says/README.md

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This exercise is meant to (loosely) simulate the game Simon Says. The goal of this program in order is:
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Echo the value given,
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Capitalize the value given,
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Repeat the value given,
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Return a piece of the value given,
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Return the first word of the value given,
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Create a title with the value given
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See Jasmine test cases for expected results.

‎03_simon_says/simonSays.js

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function echo() {
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}
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function shout() {
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}
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function repeat() {
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}
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function pieceOfWord() {
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}
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function firstWord() {
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}
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function capitalize(word) {
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return word.charAt(0).toUpperCase() + word.slice(1);
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// This function just capitalizes the word given to it, use in conjunction with titleCreator
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}
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function titleCreator() {
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}
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module.exports = {
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echo,
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shout,
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repeat,
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pieceOfWord,
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firstWord,
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titleCreator
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}

‎03_simon_says/simonSays.spec.js

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var simon = require ('./simonSays.js');
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describe('Simon says', function() {
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describe('echo', function() {
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it('should echo hello', function() {
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expect(simon.echo("hello")).toEqual("hello");
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});
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it('should echo bye', function() {
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expect(simon.echo("bye")).toEqual("bye")
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});
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});
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describe('shout', function() {
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it('should shout hello', function() {
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expect(simon.shout("hello")).toEqual("HELLO");
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});
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it('should shout multiple words', function() {
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expect(simon.shout("hello world")).toEqual("HELLO WORLD");
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});
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});
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describe('repeat', function() {
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it('should repeat', function() {
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expect(simon.repeat("hello")).toEqual("hello hello");
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});
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it('should repeat a number of times', function() {
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expect(simon.repeat("hello",3)).toEqual("hello hello hello");
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});
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});
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describe('pieceOfWord', function() {
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it('returns the first letter', function() {
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expect(simon.pieceOfWord("hello", 1)).toEqual("h");
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});
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it('returns the first two letters', function() {
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expect(simon.pieceOfWord("Bob", 2)).toEqual("Bo");
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});
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it('returns the first several letters', function() {
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var s = "abcdefg";
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expect(simon.pieceOfWord(s, 1)).toEqual("a");
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expect(simon.pieceOfWord(s, 2)).toEqual("ab");
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expect(simon.pieceOfWord(s, 3)).toEqual("abc");
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});
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});
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describe('firstWord', function() {
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it('tells us the first word of "Hello World" is "Hello"', function() {
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expect(simon.firstWord("Hello World")).toEqual("Hello");
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});
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it('tells us the first word of "oh dear" is "oh"', function() {
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expect(simon.firstWord("oh dear")).toEqual("oh");
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});
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});
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describe('titleCreator', function() {
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it('capitalizes a word', function() {
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expect(simon.titleCreator("jaws")).toEqual("Jaws");
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});
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it('capitalizes every word (aka title case)', function() {
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expect(simon.titleCreator("david copperfield")).toEqual("David Copperfield");
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});
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it("doesn't capitalize 'little words' in a title", function() {
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expect(simon.titleCreator("war and peace")).toEqual("War and Peace");
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});
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it('does capitalize "little words" at the start of a title', function() {
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expect(simon.titleCreator("the bridge over the river kwai")).toEqual("The Bridge over the River Kwai");
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});
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});
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});

‎04_pig_latin/README.md

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Pig Latin is a children's language that is intended to be confusing when spoken quickly. Your job for this exercise is to create a solution that takes the words given and
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turns them into pig latin. Please see the following wikipedia page for details regarding the rules of Pig Latin:
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https://en.wikipedia.org/wiki/Pig_Latin
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The rules section will give the rules and the examples that are required to complete this exercise.

‎04_pig_latin/pigLatin.js

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function translate() {
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// body...
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}
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module.exports = {
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translate
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}
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‎04_pig_latin/pigLatin.spec.js

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// Topics
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// * modules
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// * strings
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// Pig Latin
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// Pig Latin is a made-up children's language that's intended to be confusing. It obeys a few simple rules (below) but when it's spoken quickly it's really difficult for non-children (and non-native speakers) to understand.
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// Rule 1: If a word begins with a vowel sound, add an "ay" sound to the end of the word.
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// Rule 2: If a word begins with a consonant sound, move it to the end of the word, and then add an "ay" sound to the end of the word.
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// (There are a few more rules for edge cases, and there are regional variants too, but that should be enough to understand the tests.)
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// See https://en.wikipedia.org/wiki/Pig_Latin for more details.
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var pigLatin = require("./pigLatin.js");
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describe('#translate', function() {
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it('translates a word beginning with a vowel', function() {
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s = pigLatin.translate("apple");
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expect(s).toEqual('appleay');
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});
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it('translates a word beginning with a consonant', function() {
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s = pigLatin.translate("banana");
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expect(s).toEqual("ananabay");
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});
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it('translates a word beginning with two consonants', function() {
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s = pigLatin.translate("cherry");
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expect(s).toEqual('errychay');
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});
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it('translates two words', function() {
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s = pigLatin.translate("eat pie");
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expect(s).toEqual('eatay iepay');
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});
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it('translates a word beginning with three consonants', function() {
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expect(pigLatin.translate("three")).toEqual("eethray");
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});
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it('counts "sch" as a single phoneme', function() {
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s = pigLatin.translate("school");
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expect(s).toEqual("oolschay");
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});
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it('counts "qu" as a single phoneme', function() {
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s = pigLatin.translate("quiet");
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expect(s).toEqual("ietquay");
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});
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it('counts "qu" as a consonant even when its preceded by a consonant', function() {
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s = pigLatin.translate("square");
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expect(s).toEqual("aresquay");
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});
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it('translates many words', function() {
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s = pigLatin.translate("the quick brown fox");
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expect(s).toEqual("ethay ickquay ownbray oxfay");
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});
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});

‎05_book_titles/README.md

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The goal of this exercise is to introduce you to the concept of objects and classes. These are fundamental building blocks for OOP (Object Oriented Programming). You shouldn't need to write a ton of new code, in fact you can re-use your solution from the Simon Says exercise!
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The key here will be rewriting certain bits of it to work within the class given to you.

‎05_book_titles/bookTitles.js

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class bookTitle {
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}
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module.exports = {
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bookTitle
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}
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