Topics:

• Single Page Applications
• Routing, declaritive component based routing
• Browser vs Hash History
• Path and Component

• cd into repo and run npm install
• run npm start

• You'll notice we've already installed react-router-dom for you.
• Step 1: import { BrowserRouter as Router } from 'react-router-dom'; inside your index.js file.
• Step 2: Wrap your <App /> component that you're passing to ReactDOM.render() with your <Router> </Router> component.
• Step 3: open up your chrome REACT DEV TOOLS and notice your app is now all wrapped in BrowserRouter
• Step 4: inside the REACT DEV TOOLS expand <BrowserRouter> and highlight <Router> and notice that here is a "history" object on props.

• Step 5: inside of your App.js file import { Route } from 'react-router-dom';
  • this is where we're going to declare and specify our router.
• Step 6: create 3 <Route /> setting their path prop equal to /, /about, /contact with their respective components.
  • be sure to incluce the exact prop on the root component for / to make sure that it's rendering the exact component and not all the other components.
• Step 7: you should now be able to type /, /about, /contact after localhost:PORT/ to see what's a

• Step 8: inside of Navigation.js import { Link } from 'react-router-dom'
• Step 9: delete NavLink and replace it with <Link />
  • Pro-tip: highlight NavLink and use cmd/ctrl + d to select them all at once.
• Step 10: change the href on <Link> to to and specify the correct routes to navigate to.
• Step 11: head over to your app and start navigating. You should be able to see your URLS changing their paths as you go.

• Code Sandbox from Lecture
• React Router 4 Quick Start Guide