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‎.eslintignore

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generator-exercise/

‎.eslintrc.json

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{
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"plugins": [
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"import"
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],
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"parserOptions": {
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"ecmaVersion": 12,
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"sourceType": "module"
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},
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"rules": {
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"eol-last": ["error", "always"]
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}
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}

‎.gitignore

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.vscode
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.vscode
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node_modules/
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.DS_Store

‎README.md

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@@ -14,6 +14,8 @@ Before you start you should have a few things installed on your machine:
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Each exercise includes 3 files: a markdown file with a description of the task, an empty (or mostly empty) JavaScript file, and a set of tests. To complete an exercise, you'll need to go to the exercise directory with `cd exerciseName` in the terminal and run `jasmine exerciseName.spec.js`. This should run the test file and show you the output. When you first run a test, it will fail. This is by design! You must open the exercise file and write the code needed to get the test to pass. Some of the exercises have test conditions defined in their spec file that are defined as 'xit' compared to 'it'. This is purposeful. After you pass your first 'it', you will change the next 'xit' to an 'it' and test your code again. You'll do this until all conditions are satisfied.
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**Note**: Due to the way Jest handles failed tests, it may return an exit code of 1 if any tests fail. NPM will interpret this as an error and you may see some `npm ERR!` messages after Jest runs. You can ignore these, or run your test with `npm test exerciseName.spec.js --silent` to supress the errors.
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The first exercise, `helloWorld`, will walk you through the process in-depth.
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## Solutions

‎caesar/README.md

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# Exercise XX - caesar cipher
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# Exercise 13 - Caesar cipher
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Implement the legendary caesar cipher:
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Implement the legendary Caesar cipher:
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> In cryptography, a Caesar cipher, also known as Caesar's cipher, the shift cipher, Caesar's code or Caesar shift, is one of the simplest and most widely known encryption techniques. It is a type of substitution cipher in which each letter in the plaintext is replaced by a letter some fixed number of positions down the alphabet. For example, with a left shift of 3, D would be replaced by A, E would become B, and so on. The method is named after Julius Caesar, who used it in his private correspondence.
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```javascript
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caesar('Mjqqt, Btwqi!', -5) // returns 'Hello, World!'
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```
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‎caesar/caesar.js

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const caesar = function() {
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}
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};
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module.exports = caesar
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module.exports = caesar;

‎calculator/README.md

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# Exercise 08 - Calculator
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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.
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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 Jest! To see the expected value
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take a look at the spec file that houses the Jest test cases.

‎calculator/calculator.js

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function add () {
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const add = function() {
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}
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};
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function subtract () {
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const subtract = function() {
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}
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};
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function sum () {
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const sum = function() {
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}
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};
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function multiply () {
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}
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const multiply = function() {
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function power() {
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};;
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const power = function() {
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}
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};
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function factorial() {
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const factorial = function() {
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}
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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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factorial
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};

‎calculator/calculator.spec.js

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const calculator = require ('./calculator.js');
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const calculator = require('./calculator');
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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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xit('adds 2 and 2', function() {
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expect(calculator.add(2,2)).toEqual(4);
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test.skip('adds 2 and 2', () => {
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expect(calculator.add(2,2)).toBe(4);
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});
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xit('adds positive numbers', function() {
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expect(calculator.add(2,6)).toEqual(8);
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test.skip('adds positive numbers', () => {
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expect(calculator.add(2,6)).toBe(8);
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});
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});
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describe('subtract', function() {
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xit('subtracts numbers', function() {
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expect(calculator.subtract(10,4)).toEqual(6);
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describe('subtract', () => {
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test.skip('subtracts numbers', () => {
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expect(calculator.subtract(10,4)).toBe(6);
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});
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});
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describe('sum', function() {
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xit('computes the sum of an empty array', function() {
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expect(calculator.sum([])).toEqual(0);
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describe('sum', () => {
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test.skip('computes the sum of an empty array', () => {
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expect(calculator.sum([])).toBe(0);
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});
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xit('computes the sum of an array of one number', function() {
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expect(calculator.sum([7])).toEqual(7);
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test.skip('computes the sum of an array of one number', () => {
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expect(calculator.sum([7])).toBe(7);
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});
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xit('computes the sum of an array of two numbers', function() {
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expect(calculator.sum([7,11])).toEqual(18);
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test.skip('computes the sum of an array of two numbers', () => {
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expect(calculator.sum([7,11])).toBe(18);
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});
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xit('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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test.skip('computes the sum of an array of many numbers', () => {
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expect(calculator.sum([1,3,5,7,9])).toBe(25);
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});
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});
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describe('multiply', function() {
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xit('multiplies two numbers', function() {
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expect(calculator.multiply([2,4])).toEqual(8);
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describe('multiply', () => {
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test.skip('multiplies two numbers', () => {
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expect(calculator.multiply([2,4])).toBe(8);
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});
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xit('multiplies several numbers', function() {
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expect(calculator.multiply([2,4,6,8,10,12,14])).toEqual(645120);
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test.skip('multiplies several numbers', () => {
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expect(calculator.multiply([2,4,6,8,10,12,14])).toBe(645120);
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});
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});
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describe('power', function() {
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xit('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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describe('power', () => {
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test.skip('raises one number to the power of another number', () => {
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expect(calculator.power(4,3)).toBe(64); // 4 to third power is 64
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});
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});
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‎fibonacci/README.md

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# Exercise XX - fibonacci
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# Exercise 10 - Fibonacci
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Create a function that returns a specific member of the fibonacci sequence:
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Create a function that returns a specific member of the Fibonacci sequence:
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> a series of numbers in which each number ( Fibonacci number ) is the sum of the two preceding numbers. The simplest is the series 1, 1, 2, 3, 5, 8, etc.
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> A series of numbers in which each number ( Fibonacci number ) is the sum of the two preceding numbers. The simplest is the series 1, 1, 2, 3, 5, 8, etc.
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```javascript
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fibonacci(4) // returns the 4th member of the series: 3 (1, 1, 2, 3)

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