DEV Community

TypeScript

Optional static type-checking for JavaScript.

Posts

👋 Sign in for the ability to sort posts by relevant, latest, or top.
I Wrote 238 Tests Against My Own Auth Package and Found 4 Real Bugs

I Wrote 238 Tests Against My Own Auth Package and Found 4 Real Bugs

1
Comments
7 min read
Why Does Every AI Agent Still Look Like `while (true) { ... }`?

Why Does Every AI Agent Still Look Like `while (true) { ... }`?

6
Comments 2
5 min read
I measured what code mode actually saves: 65,500 tokens vs 226

I measured what code mode actually saves: 65,500 tokens vs 226

Comments
4 min read
Presenting: The Blueprint for Scalable Frontend Systems — Clean Architecture & DDD in React

Presenting: The Blueprint for Scalable Frontend Systems — Clean Architecture & DDD in React

Comments
3 min read
The tenant-safety checklist for an AI endpoint

The tenant-safety checklist for an AI endpoint

Comments
3 min read
We built a developer portfolio generator using only the public GitHub API

We built a developer portfolio generator using only the public GitHub API

Comments
2 min read
error-san: typed errors without giving up `throw`

error-san: typed errors without giving up `throw`

Comments
4 min read
Transactions in NestJS and TypeORM without passing the EntityManager around

Transactions in NestJS and TypeORM without passing the EntityManager around

2
Comments
14 min read
Why We Ditched the 70MB AWS SDK for Native Web Crypto in Next.js 15 Edge Routes

Why We Ditched the 70MB AWS SDK for Native Web Crypto in Next.js 15 Edge Routes

Comments
5 min read
A Missing ID Doesn't 404 — It Fetches the Whole Collection

A Missing ID Doesn't 404 — It Fetches the Whole Collection

Comments
5 min read
Moderation Intake Accounting: Bulk LLM Text Classification API With Tenant Chargeback

Moderation Intake Accounting: Bulk LLM Text Classification API With Tenant Chargeback

Comments
7 min read
How big is an component really? I measured it 3 ways and got 3 answers

How big is an component really? I measured it 3 ways and got 3 answers

Comments
7 min read
How I built @grodev/claude-chat-react — architecture notes

How I built @grodev/claude-chat-react — architecture notes

Comments
3 min read
How I Built My First MCP Server for Claude Code: 5 Lessons Learned

How I Built My First MCP Server for Claude Code: 5 Lessons Learned

2
Comments 1
7 min read
I Got Sick of Ad-Bloated Utility Sites, So I Built an Ad-Free Stair Calculator in Next.js

I Got Sick of Ad-Bloated Utility Sites, So I Built an Ad-Free Stair Calculator in Next.js

Comments
7 min read
👋 Sign in for the ability to sort posts by relevant, latest, or top.