Project Summary

In this project, we will create a very basic React application from scratch that makes use of multiple routes. We will be using the react-router-dom package, specifically v4. You can find more documentation to read on your own time here: Click Me!

Live Example

Click Me!

Setup

Fork and clone this repository.
cd into the project.
Run create-react-app ./ to get a React boilerplate.
- Delete README.md and rename README.old.md back to README.md.

Step 1

Summary

In this step, we will create three basic components that will be used later for three separate routes.

Instructions

Open src/.
Create a Route1.js, Route2.js, and Route3.js.
All three Route#.js files should be very basic state-less components.

Solution

src/Route1.js

import React from 'react';

export default function Route1() {
  return (
    <div>
      Route 1 here!
    </div>
  )
}

src/Route2.js

import React from 'react';

export default function Route2() {
  return (
    <div>
      Route 2 here!
    </div>
  )
}

src/Route3.js

import React from 'react';

export default function Route3() {
  return (
    <div>
      Route 3 here!
    </div>
  )
}

Step 2

Summary

In this step, we will add the react-router-dom package to our React project.

Instructions

Run npm install --save react-router-dom.

Solution

Step 3

Summary

In this step, we will configure routes using a routes.js file.

Instructions

Create a new src/routes.js file.
Open src/routes.js.
Import React from react.
Import { Switch, Route } from react-router-dom.
Import the three src/Route#.js components.
Export by default a <Switch></Switch> component.
Add three <Route></Route> components for each src/Route#.js component inside the exported <Switch></Switch> component.

Solution

src/routes.js

import React from 'react';
import { Switch, Route } from 'react-router-dom';

// Components
import Route1 from './Route1';
import Route2 from './Route2';
import Route3 from './Route3';

export default (
  <Switch>
    <Route exact path="/" component={ Route1 } />
    <Route path="/2" component={ Route2 } />
    <Route path="/3" component={ Route3 } />
  </Switch>
)

Step 4

Summary

In this step, we'll render the routes inside the main src/App.js component.

Instructions

Open src/App.js.
Import the src/routes.js file.
Underneath the <p></p> element use {} to break out of JSX and render the imported router.

Solution

src/App.js

import React, { Component } from 'react';
import logo from './logo.svg';
import './App.css';

import routes from './routes';

class App extends Component {
  render() {
    return (
      <div className="App">
        <header className="App-header">
          <img src={logo} className="App-logo" alt="logo" />
          <h1 className="App-title">Welcome to React</h1>
        </header>
        <p className="App-intro">
          To get started, edit <code>src/App.js</code> and save to reload.
        </p>

        { routes }
      </div>
    );
  }
}

export default App;

Step 5

Summary

In this step, we'll configure our React application to handle routing.

Instructions

Open src/index.js.
Import HashRouter from react-router-dom.
In the ReactDOM.render statement, wrap the <App /> component in a <HashRouter></HashRouter> component.

Solution

src/index.js

import React from 'react';
import ReactDOM from 'react-dom';
import './index.css';
import App from './App';
import registerServiceWorker from './registerServiceWorker';

// Routing
import { HashRouter } from 'react-router-dom';

ReactDOM.render(
  <HashRouter>
    <App />
  </HashRouter>
, document.getElementById('root'));

registerServiceWorker();

Step 6

Summary

In this step, we'll provide a way for a user to navigate between the routes. Using react-router-dom, this is done by using the <Link></Link> component.

Instructions

Open src/App.js.
Import Link from react-router-dom.
Above the rendering of the routes, add three <Link> components that route to the three different paths configured in src/routes.js.

Solution

src/App.js

import React, { Component } from 'react';
import logo from './logo.svg';
import './App.css';

import routes from './routes';
import { Link } from 'react-router-dom';

class App extends Component {
  render() {
    return (
      <div className="App">
        <header className="App-header">
          <img src={logo} className="App-logo" alt="logo" />
          <h1 className="App-title">Welcome to React</h1>
        </header>
        <p className="App-intro">
          To get started, edit <code>src/App.js</code> and save to reload.
        </p>

        <Link to="/">
          <p>Route 1</p>
        </Link>

        <Link to="/2">
          <p>Route 2</p>
        </Link>

        <Link to="/3">
          <p>Route 3</p>
        </Link>
        
        { routes }
      </div>
    );
  }
}

export default App;

Contributions

If you see a problem or a typo, please fork, make the necessary changes, and create a pull request so we can review your changes and merge them into the master repo and branch.

Copyright

© DevMountain LLC, 2017. Unauthorized use and/or duplication of this material without express and written permission from DevMountain, LLC is strictly prohibited. Excerpts and links may be used, provided that full and clear credit is given to DevMountain with appropriate and specific direction to the original content.

travisallen6 / react-4-mini Goto Github PK

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