Update dependencies

Author: martynchamberlin

.babelrc

@@ -1,6 +1,6 @@
 # Chess Front End Refactor & Testing Challenge
 
-## Setup 
+## Setup
 
 ```bash
 npm install
@@ -10,15 +10,15 @@ To run the test watcher, run
 
 ```bash
 npm t
-``` 
+```
 
---- 
+---
 
 ## Introduction
 
-Chess has a function `getUserRating` that determines a user's rating, calculated from the user object, which has this form::
+Chess has a function `getUserRating` that determines a user's rating, calculated from the user object, which has this form:
 
-```js
+```ts
 {
   username: 'chessman',
   yearsActive: 0,
@@ -52,11 +52,11 @@ A user's rating will start at 0 initially and will increase _or_ decrease based
 - -1 point per lost game
 - -2 points per forfeited game **UNLESS** a user has a _gold_ membership, in which they lose **0** points
 
---- 
+---
 
 Based off the above criteria and the given user, this method call should return `getUserRating` a total rating of `6`.
 
-```js
+```ts
 const userRating = getUserRating({
   username: 'chessman',
   yearsActive: 1, // 1 point
@@ -72,7 +72,7 @@ const userRating = getUserRating({
 
 ---
 
-## Goals 
+## Goals
 
 During your interview, demonstrate your skills of TDD (Test Driven Development) and refactoring the by completing the following items in what you feel is the _most_ important order:
 

README.md

@@ -0,0 +1,6 @@
+module.exports = {
+  presets: [
+    ['@babel/preset-env', {targets: {node: 'current'}}],
+    '@babel/preset-typescript',
+  ],
+};

babel.config.js

@@ -0,0 +1,67 @@
+import { getUserRating } from './src/index';
+
+// create a user with years an an active player
+// games won, lost, draw
+const createUser = (user = {}, games = {}) => {
+  return Object.assign({
+    username: 'chessman',
+    yearsActive: 0,
+    membershipLevel: 'free', // bronze, silver, gold
+  },
+  user,
+  {
+    games: Object.assign({
+      won: 0,
+      lost: 0,
+      draw: 0,
+      forfeited: 0,
+    }, games),
+  });
+}
+
+describe('getUserRating', () => {
+  describe('Default functionality', () => {
+    it('should return 0 if the user has no games, yearsActive, and has free membership', () => {
+      const user = createUser();
+
+      expect(getUserRating(user)).toEqual(0);
+    });
+  });
+
+  describe('test score based on yearsActive', () => {
+    it('a user should get 1 point for the first year active', () => {
+      const user = createUser({
+        yearsActive: 1,
+      });
+
+      expect(getUserRating(user)).toEqual(1);
+    });
+  });
+
+  // membership status
+  describe('test score based on membershipLevel', () => {
+    it('should return 1 point for a user with a bronze membership', () => {
+      const user = createUser({
+        membershipLevel: 'bronze',
+      });
+
+      expect(getUserRating(user)).toEqual(1);
+    });
+  });
+
+
+  describe('test score based on games', () => {
+    // TODO: write tests to score based on user's games
+  });
+
+  // new feature
+  it.skip('give 1 extra point per 10 games played', () => {
+    const user = createUser({}, {
+      won: 3, // 9 points
+      lost: 1, // -1 point
+      draw: 6, // + 6
+    }); // + 1 for 10 games
+
+    expect(getUserRating(user)).toBe(15);
+  });
+});