Facebook Domain Appending with React Router Dom
React Router Dom is a powerful library that allows you to handle routing in your React applications. It provides an easy way to navigate between different pages or components based on the URL. In this article, we will explore how to append a domain to your Facebook login using React Router Dom.
Why Append a Domain?
When integrating Facebook login into your application, you might want to redirect the user back to your domain after they have logged in with Facebook. By default, Facebook redirects the user back to the same URL they were on before the login process. However, in some cases, you might want to append your domain to the URL to ensure that the user is returned to the correct page on your website.
Setting up React Router Dom
Before we can start appending the domain, we need to set up React Router Dom in our application. If you haven't already installed React Router Dom, you can do so by running the following command:
npm install react-router-dom
Once installed, we can import the necessary components from React Router Dom:
import { BrowserRouter as Router, Switch, Route } from 'react-router-dom';
The Router component is the main component that wraps our entire application. It provides the routing functionality to our application. The Switch component is used to render the first child Route or Redirect that matches the current location. The Route component is used to define a route and the component that should be rendered when that route is matched.
Now that we have React Router Dom set up, let's move on to appending the domain to our Facebook login.
Appending the Domain
To append the domain to our Facebook login, we need to create a new route that handles the redirect from Facebook. This route will be responsible for appending the domain and redirecting the user to the correct page on our website.
First, let's define the route in our App.js file:
<Switch>
<Route path="/facebook-redirect" component={FacebookRedirect} />
<Route exact path="/" component={Home} />
</Switch>
In the above code, we have defined two routes. The first route, /facebook-redirect, will be responsible for handling the redirect from Facebook. The second route, /, is the default route that will render the Home component.
Next, let's create the FacebookRedirect component:
import React, { useEffect } from 'react';
import { useHistory } from 'react-router-dom';
const FacebookRedirect = () => {
const history = useHistory();
useEffect(() => {
const url = new URL(window.location.href);
const redirectUrl = url.searchParams.get('redirectUrl');
const domain = 'https://www.example.com'; // Replace with your domain
if (redirectUrl) {
history.push(`${domain}${redirectUrl}`);
} else {
history.push('/');
}
}, [history]);
return null;
};
export default FacebookRedirect;
In the FacebookRedirect component, we first get the current URL using window.location.href. We then extract the redirectUrl parameter from the URL, which is the URL that Facebook will redirect the user to after the login process.
We also define the domain variable, which should be replaced with your own domain. This is the domain that will be appended to the redirectUrl parameter.
If the redirectUrl parameter is present, we use the history.push function to redirect the user to the correct page on our website. If the redirectUrl parameter is not present, we redirect the user to the default page, which in this case is the Home component.
And that's it! Now when the user logs in with Facebook, they will be redirected back to your domain with the correct page.
React Router Dom provides a simple and effective way to handle routing in your React applications. By appending your domain to the Facebook login redirect URL, you can ensure that the user is returned to the correct page on your website. Remember to replace the domain variable with your own domain in the FacebookRedirect component.
References
| Source | Link |
|---|---|
| React Router Dom Documentation | https://reactrouter.com/web/guides/quick-start |