Added formatting code

.prettierrc

@@ -0,0 +1,8 @@
+{
+    "endOfLine": "lf",
+    "printWidth": 120,
+    "semi": true,
+    "singleQuote": true,
+    "tabWidth": 4,
+    "trailingComma": "es5"
+}

README.md

@@ -6,6 +6,10 @@ This project was bootstrapped with [Create React App](https://github.com/faceboo
 
 In the project directory, you can run:
 
+### `yarn install`
+
+Installs all of the required dependencies in the node_modules directory.
+
 ### `yarn start`
 
 Runs the app in the development mode.<br />
@@ -14,6 +18,10 @@ Open [http://localhost:3000](http://localhost:3000) to view it in the browser.
 The page will reload if you make edits.<br />
 You will also see any lint errors in the console.
 
+### `yarn lint`
+
+Runs TSLint to ensure that your code is conforming to standards.
+
 ### `yarn test`
 
 Launches the test runner in the interactive watch mode.<br />

package.json

@@ -1,39 +1,46 @@
 {
-  "name": "boilerplate",
-  "version": "0.1.0",
-  "private": true,
-  "dependencies": {
-    "@testing-library/jest-dom": "^4.2.4",
-    "@testing-library/react": "^9.3.2",
-    "@testing-library/user-event": "^7.1.2",
-    "@types/jest": "^24.0.0",
-    "@types/node": "^12.0.0",
-    "@types/react": "^16.9.0",
-    "@types/react-dom": "^16.9.0",
-    "react": "^16.13.1",
-    "react-dom": "^16.13.1",
-    "react-scripts": "3.4.3",
-    "typescript": "~3.7.2"
-  },
-  "scripts": {
-    "start": "react-scripts start",
-    "build": "react-scripts build",
-    "test": "react-scripts test",
-    "eject": "react-scripts eject"
-  },
-  "eslintConfig": {
-    "extends": "react-app"
-  },
-  "browserslist": {
-    "production": [
-      ">0.2%",
-      "not dead",
-      "not op_mini all"
-    ],
-    "development": [
-      "last 1 chrome version",
-      "last 1 firefox version",
-      "last 1 safari version"
-    ]
-  }
+    "name": "boilerplate",
+    "version": "0.1.0",
+    "private": true,
+    "dependencies": {
+        "@testing-library/jest-dom": "^4.2.4",
+        "@testing-library/react": "^9.3.2",
+        "@testing-library/user-event": "^7.1.2",
+        "@types/jest": "^24.0.0",
+        "@types/node": "^12.0.0",
+        "@types/react": "^16.9.0",
+        "@types/react-dom": "^16.9.0",
+        "react": "^16.13.1",
+        "react-dom": "^16.13.1",
+        "react-scripts": "3.4.3",
+        "typescript": "~3.7.2"
+    },
+    "scripts": {
+        "start": "react-scripts start",
+        "lint": "tslint -c ./tslint.json ./src/**/*.ts",
+        "build": "react-scripts build",
+        "test": "react-scripts test",
+        "eject": "react-scripts eject"
+    },
+    "eslintConfig": {
+        "extends": "react-app"
+    },
+    "browserslist": {
+        "production": [
+            ">0.2%",
+            "not dead",
+            "not op_mini all"
+        ],
+        "development": [
+            "last 1 chrome version",
+            "last 1 firefox version",
+            "last 1 safari version"
+        ]
+    },
+    "devDependencies": {
+        "prettier": "^2.1.2",
+        "tslint": "^6.1.3",
+        "tslint-config-prettier": "^1.18.0",
+        "tslint-plugin-prettier": "^2.3.0"
+    }
 }

src/App.css

@@ -1,38 +1,38 @@
 .App {
-  text-align: center;
+    text-align: center;
 }
 
 .App-logo {
-  height: 40vmin;
-  pointer-events: none;
+    height: 40vmin;
+    pointer-events: none;
 }
 
 @media (prefers-reduced-motion: no-preference) {
-  .App-logo {
-    animation: App-logo-spin infinite 20s linear;
-  }
+    .App-logo {
+        animation: App-logo-spin infinite 20s linear;
+    }
 }
 
 .App-header {
-  background-color: #282c34;
-  min-height: 100vh;
-  display: flex;
-  flex-direction: column;
-  align-items: center;
-  justify-content: center;
-  font-size: calc(10px + 2vmin);
-  color: white;
+    background-color: #282c34;
+    min-height: 100vh;
+    display: flex;
+    flex-direction: column;
+    align-items: center;
+    justify-content: center;
+    font-size: calc(10px + 2vmin);
+    color: white;
 }
 
 .App-link {
-  color: #61dafb;
+    color: #61dafb;
 }
 
 @keyframes App-logo-spin {
-  from {
-    transform: rotate(0deg);
-  }
-  to {
-    transform: rotate(360deg);
-  }
+    from {
+        transform: rotate(0deg);
+    }
+    to {
+        transform: rotate(360deg);
+    }
 }

src/App.test.tsx

@@ -3,7 +3,7 @@ import { render } from '@testing-library/react';
 import App from './App';
 
 test('renders learn react link', () => {
-  const { getByText } = render(<App />);
-  const linkElement = getByText(/learn react/i);
-  expect(linkElement).toBeInTheDocument();
+    const { getByText } = render(<App />);
+    const linkElement = getByText(/learn react/i);
+    expect(linkElement).toBeInTheDocument();
 });

src/App.tsx

@@ -3,24 +3,19 @@ import logo from './logo.svg';
 import './App.css';
 
 function App() {
-  return (
-    <div className="App">
-      <header className="App-header">
-        <img src={logo} className="App-logo" alt="logo" />
-        <p>
-          Edit <code>src/App.tsx</code> and save to reload.
-        </p>
-        <a
-          className="App-link"
-          href="https://reactjs.org"
-          target="_blank"
-          rel="noopener noreferrer"
-        >
-          Learn React
-        </a>
-      </header>
-    </div>
-  );
+    return (
+        <div className="App">
+            <header className="App-header">
+                <img src={logo} className="App-logo" alt="logo" />
+                <p>
+                    Edit <code>src/App.tsx</code> and save to reload.
+                </p>
+                <a className="App-link" href="https://reactjs.org" target="_blank" rel="noopener noreferrer">
+                    Learn React
+                </a>
+            </header>
+        </div>
+    );
 }
 
 export default App;

src/index.css

@@ -1,13 +1,11 @@
 body {
-  margin: 0;
-  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen',
-    'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue',
-    sans-serif;
-  -webkit-font-smoothing: antialiased;
-  -moz-osx-font-smoothing: grayscale;
+    margin: 0;
+    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', 'Fira Sans',
+        'Droid Sans', 'Helvetica Neue', sans-serif;
+    -webkit-font-smoothing: antialiased;
+    -moz-osx-font-smoothing: grayscale;
 }
 
 code {
-  font-family: source-code-pro, Menlo, Monaco, Consolas, 'Courier New',
-    monospace;
+    font-family: source-code-pro, Menlo, Monaco, Consolas, 'Courier New', monospace;
 }

src/index.tsx

@@ -5,10 +5,10 @@ import App from './App';
 import * as serviceWorker from './serviceWorker';
 
 ReactDOM.render(
-  <React.StrictMode>
-    <App />
-  </React.StrictMode>,
-  document.getElementById('root')
+    <React.StrictMode>
+        <App />
+    </React.StrictMode>,
+    document.getElementById('root')
 );
 
 // If you want your app to work offline and load faster, you can change