Steps to build Twitter followers counter using Next.js, NextAuth, SWR, Tailwind CSS with Dark Mode Support.
To learn new things, just reading the docs is not enough. We should practically apply it. Likewise, while learning new tech stacks we should apply them by developing simple apps to get a hands-on experience.
We are going to build an app like TwiterStats.
- Next.js for building ReactJS Application.
- NextAuth for OAuth implementation with Twitter.
- SWR for fetching data from API.
- Tailwind for UI
- Twitter Lite for fetching data from Twitter APIs.
We can setup tailwind with next.js using a single command, as shown below:
npx create-next-app -e with-tailwindcss twitter-count
The above command automatically configures the Tailwind setup based on the official Next.js example.
Once the installation is completed navigate to your project folder using
cd twitter-count and start the dev server using
yarn dev command. You can see the below page if you hit
http://localhost:3000 in the browser.
NextAuth is an open-source Authentication package for Next.js. NextAuth simplifies the social auth logins like Twitter, Google, Apple, Github and many more. It also supports email or passwordless login and database integration.
next auth to your project using the below command
yarn add next-auth
Next, create a file named
pages/api/auth folder and add the below code
Let's break down the above code
Above NextAuth function handles the dynamic route for all social auth. Here we are going to use Twitter OAuth, so we have added TwitterProvider in providers. To perform successful OAuth we require TWITTER_ID and TWITTER_SECRET, Get these from the Twitter Developer Platform with a few simple steps.
Follow the steps in this link to get Twitter API access.
After getting the Secrets from the developer portal, Update it in the env and add to the provider as above.
Using callback set the required data in session after successful OAuth with Twitter. On Successful OAuth, we get many details from Twitter, Here we will customize the data that we require and save it in session.
We should not expose secrets such as
authSecret to the client-side, so we save them in JWT token objects. Then we can access the user credential on the server-side using the
getToken helper method.
secret a random string used to hash tokens, sign or encrypt cookies and generate cryptographic keys.
Warp the SessionProvier context at the top-level component to use
useSession hooks to get session data in child components as below
refetchInterval is used to fetch the session periodically in the background.
In our app,
_app.js is the top-level component, so we have wrapped the session provider. Here we have wrapped ThemeProvide context from next-theme to enable dark mode support.
Add the below code in Followers Components
SWR is a React Hooks for Data Fetching developed by the Next.js team. It supports real-time data fetching, built-in cache, Auto Revalidation, Prefetching and more.
In the followers component, we have called
/api/twitter/user API to get basic details of the Twitter user such as name, followers count, profile description and location. We have used SWR to get the data from the API in an interval of time.
As the data we get from NextOAuth is not real-time data. So we use Twitter Lite API to get the Twitter user details in real-time.
Twitter Lite is a tiny, full-featured, flexible server library for Twitter APIs.
In Next.js you can build APIs also, files inside
api/* are considered as API endpoints. Which are processed on the server, not on the client-side. Twitter APIs can be accessed from the server-side only, so we have a user API in the
api/ folder to access the show API using the Twitter lite package.
Add the below code
pages/api/twitter/user.js to access the user details using
Add the Followers component in
index.js file as below.
Here we use
signOut the method from
next-auth to initiate OAuth login. To log in with Twitter we pass Twitter param to the sign-in method as below
Now just hit the URL in the browser to see the changes like below
On calling the
signIn method, the app will be redirected to the Twitter OAuth page and clicking the Authorize App button on OAuth Page will redirect back to our followers component as below image.
We need to configure the OAuth redirect URL in Twitter Developer Portal when registering.
You can customize the UI based on your need, Here I have covered only the integration part and with basic UI using tailwind.
You can deploy your Counter App in Vercel within two steps as below:
- Create a Vercel Account
- Connect your repository and click deploy.
GitHub Repo -> https://github.com/Nilanth/twiter-stats
Live Demo -> https://twiter-stats.vercel.app
We have successfully integrated Twitter with NextAuth and displayed the follower's count using Next and tailwind. We have got hands-on experience with these tech stacks now.
Thank you for reading
Get more updates on Twitter.
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