Dev.to

The Most Subtle Bug approved in a PR

✅ Reviewed PR ✅ It passed tests ❌ It quietly broke access for users The most subtle bugs aren't in the code you write - they're in the code you approve without enough context. This is a short story about a seemingly harmless line in a PR that I reviewed - and how it taught me to slow down, even with small changes. The line of code below, if(!user.isVerified) return; intention behind this was good not to allow unverified users to proceed into the app. But this return statement wasn't part of larger flow. It was inside a route guard - and it exited silently, without a redirect, message or error.

May 4, 2025 - 22:47
 0
The Most Subtle Bug approved in a PR

✅ Reviewed PR
✅ It passed tests
❌ It quietly broke access for users

The most subtle bugs aren't in the code you write - they're in the code you approve without enough context.

This is a short story about a seemingly harmless line in a PR that I reviewed - and how it taught me to slow down, even with small changes.

The line of code below,

if(!user.isVerified) return;

intention behind this was good not to allow unverified users to proceed into the app.

But this return statement wasn't part of larger flow. It was inside a route guard - and it exited silently, without a redirect, message or error.

Read More

Tags:

Previous Article

The best iPad deals you can get right now

Next Article

Are AI Agents Simply LLM Wrappers?

Related Posts

Google A2A Protocol: Building a Database Agent

Google A2A Protocol: Building a Database Agent

May 2, 2025  0

Photorealistic pure CSS mobile phone

Photorealistic pure CSS mobile phone

Apr 27, 2025  0

Understanding Rootkits: Definition, Detection, Removal, and Prevention

Understanding Rootkits: Definition, Detection, Removal,...

Apr 28, 2025  0