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⚡ AI Lessons
Dev.to · Anas Sheikh
🌐 Frontend Engineering
1w ago
Setting dynamicParams to false Can Make Brand New Content 404 Until Your Next Deploy
This one's a genuinely reasonable setting that causes a genuinely confusing symptom, a brand new...
Dev.to · Anas Sheikh
🌐 Frontend Engineering
3w ago
Stop Using Array Index as a React Key. The Bug You Create Might Not Be Where You Think.
Here's a React bug that's incredibly easy to write because the code looks completely reasonable. You...
Dev.to · Anas Sheikh
🌐 Frontend Engineering
4w ago
Calling redirect() Inside a Suspense Boundary Doesn't Undo What Already Streamed to the Browser
Streaming is one of the genuinely great things about the App Router, the browser can start receiving...
Dev.to · Anas Sheikh
🌐 Frontend Engineering
1mo ago
One Buried cookies() Call Can Silently Kill Static Rendering for Your Entire Page
Here's a question worth actually checking on your own app: is that marketing page you assume is...
Dev.to · Anas Sheikh
🌐 Frontend Engineering
1mo ago
Your Next.js App Might Be Leaking Secrets Right Now. Check Your Client Bundle.
Your app can be perfectly functional, beautifully designed, deployed on Vercel, passing every...
Dev.to · Anas Sheikh
🌐 Frontend Engineering
1mo ago
Next.js Server Actions Have Built-In CSRF Protection. Your API Routes Probably Don't.
I wrote a post a while back about Server Actions being public, directly callable endpoints regardless...
Dev.to · Anas Sheikh
🌐 Frontend Engineering
1mo ago
Check Your Next.js Client Bundle Right Now. Your API Keys Might Already Be There.
This one takes about ninety seconds to check on your own project, and I'd genuinely encourage you to...
Dev.to · Anas Sheikh
🌐 Frontend Engineering
1mo ago
Your Next.js Middleware Might Be Running More Often Than You Think, Thanks to Prefetching
Here's a question worth actually testing on your own app: if a user never clicks a link, just scrolls...
Dev.to · Anas Sheikh
🌐 Frontend Engineering
1mo ago
I've Reviewed a Dozen Next.js Stripe Integrations. Almost None Handle This Race Condition.
Quick fact that surprises a lot of developers the first time they hear it: Stripe does not guarantee...
Dev.to · Anas Sheikh
🌐 Frontend Engineering
1mo ago
Your Next.js Server Actions Are Public API Endpoints. Most Developers Don't Realize This.
Quick question. If you have a Server Action that deletes a user's account, called from a single...
Dev.to · Anas Sheikh
🌐 Frontend Engineering
1mo ago
Stop Wrapping Everything in 'use client'. It's Quietly Killing Your Next.js Performance.
Open ten random Next.js App Router projects on GitHub right now. I'd bet real money that at least...
Dev.to · Anas Sheikh
🌐 Frontend Engineering
1mo ago
Cron Jobs and Scheduled Tasks in Next.js 15 The Setup I Actually Use
Next.js has no built-in concept of a background job that runs on a schedule, since it is...
Dev.to · Anas Sheikh
🌐 Frontend Engineering
1mo ago
Multi-Tenancy in Next.js 15 The Pattern I Use for SaaS Products
The first version of a multi-tenant feature I built had a bug where one clinic's queue data briefly...
Dev.to · Anas Sheikh
🌐 Frontend Engineering
⚡ AI Lesson
1mo ago
Real-Time Features in Next.js 15 The Pattern I Use for Live Updates
A queue status that only updates on page refresh is not actually useful for a live dashboard. Neither...
Dev.to · Anas Sheikh
🌐 Frontend Engineering
⚡ AI Lesson
1mo ago
Testing Next.js 15 Apps — The Setup I Actually Use
For a long time I skipped testing on freelance projects entirely. Tight deadlines, one developer,...
Dev.to · Anas Sheikh
🌐 Frontend Engineering
⚡ AI Lesson
1mo ago
Form Handling in Next.js 15 Zod, Server Actions, and the
For a long time my forms were a mess of scattered useState calls, one per field, plus a manual...
Dev.to · Anas Sheikh
🌐 Frontend Engineering
⚡ AI Lesson
1mo ago
Error Handling in Next.js 15 error.tsx, notFound(), and the Patterns I Actually Use
For a while, every unhandled error in my Next.js apps meant one thing: the whole page went...
Dev.to · Anas Sheikh
🌐 Frontend Engineering
⚡ AI Lesson
2mo ago
How to Make Your Next.js App Blazing Fast — Performance Checklist
A slow Next.js app is almost always caused by the same 6 things. Here's how to find and fix all of...
Dev.to · Anas Sheikh
🌐 Frontend Engineering
⚡ AI Lesson
2mo ago
Stop Manually Validating API Input — Use Zod in Next.js
Every production Next.js app needs input validation. Most developers do it manually: if...
Dev.to · Anas Sheikh
🌐 Frontend Engineering
⚡ AI Lesson
2mo ago
Next.js 15 Caching Explained — Finally Makes Sense
Next.js caching confused me for months. The docs are thorough but overwhelming. Nobody explains the...
Dev.to · Anas Sheikh
🌐 Frontend Engineering
⚡ AI Lesson
2mo ago
6 React Mistakes That Waste Hours — And How to Fix Them
I've reviewed a lot of React codebases. The same mistakes appear every time. Here are the 6 that...
Dev.to · Anas Sheikh
🌐 Frontend Engineering
⚡ AI Lesson
2mo ago
Next.js Server Actions — Stop Writing API Routes for Forms
I used to write an API route for every form submission. Register form → /api/auth/register Contact...
Dev.to · Anas Sheikh
🌐 Frontend Engineering
⚡ AI Lesson
2mo ago
The Next.js 15 Folder Structure I Use in Every Production Project
I've built multiple production Next.js apps. Every time I started a new project I wasted hours...
Dev.to · Anas Sheikh
🌐 Frontend Engineering
⚡ AI Lesson
2mo ago
7 Next.js 15 Mistakes I Made Building 4 Templates (And How to Fix Them)
I've built 4 production Next.js 15 templates in the last few months. I made a lot of mistakes along...
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