Typescript coverage.

Prisma 5 Prisma 6: The Breaking Changes I Hit in My Real Schema and How I Fixed Them Without Breaking Production

Prisma 6 improves ergonomics and performance, but there are three behavior changes that won't scream at you in the compiler — and will absolutely show up at runtime if you don't au…

Prisma 5 Prisma 6: los breaking changes que encontré en mi schema real y cómo los resolví sin romper producción

Prisma 6 mejora ergonomía y performance, pero hay tres cambios de comportamiento que no gritan en el compilador y sí aparecen en runtime si no revisás tus queries relacionales. Guí…

TypeScript devs no longer need to tangle with C# to use Aspire dev stack after Microsoft update

Aspire is a powerful tool for developers but not well understood – and pure TypeScript AppHost may broaden its appeal…

Building a Accessible, Performant Design System: From Tokens to Tooling

Building a Accessible, Performant Design System: From Tokens to Tooling Building...…

I Built a Sandbox for Neal.fun's Cursor Camp — Here's What Happened

A few months ago I opened Neal Agarwal's Cursor Camp for the first time. You know that feeling when a...…

I built a New Tab replacement for developers drowning in tabs

TabLobby replaces your New Tab page with a workspace showing all open windows, saved sessions, and instant search — built with React + TypeScript + Chrome MV3.…

Design to Code #9: The Cost of a Dot

On April 4th I shipped 22 compound components. On April 22nd I deleted all of them. The breaking change cost nothing because no one was using it yet.…

Build a Developer-Centric AI Habit: Crafting a Personal Knowledge Automation System

Build a Developer-Centric AI Habit: Crafting a Personal Knowledge Automation System ...…

I built typecraft-cli: An AI tool that automatically catches missing TypeScript types

We’ve all stared at a schema or a complex function (especially when it's written in TypeScript) and...…

I made a CLI tool that replaces the first 15 minutes of exploring any new codebase

You know that thing where you clone a repo and spend the first 15–20 minutes just trying to figure...…

Payload CMS Has 508 Circular Dependencies in 675 Files. Here's How Every Codebase Accumulates Them.

Circular dependencies accumulate silently in every large JavaScript codebase. Payload has 508 in 675 files, Next.js has 17 in 14,556. Here are the 3 formation patterns, what each r…

I would like to build a new local first App. Should I prefer TypeScript or JS?

Payload CMS Has 508 Circular Dependencies. Next.js Has 17. Here's Why They Form in Every Large JS Codebase.

Circular dependencies accumulate silently in every large JavaScript codebase. Payload has 508, Next.js has 17, Strapi has 5. They bloat your bundle, slow your tests, cause mysterio…

I created a fork of GunDB and rewrote it in TypeScript using Vibe Code

Inspired by a similar project called GenosDB and Cloudflare’s initiative to rebuild Next.js, I...…

Why does tsgo use so much memory?

DaloyJS Is the Latest Modern Enterprise TypeScript Framework, and It Has Your Back on Security

DaloyJS Is the Latest Modern Enterprise TypeScript Framework, and It Has Your Back on...…

What Is DaloyJS? A Beginner-Friendly Tour of a Contract-First TypeScript Framework

When I started building APIs, I spent way too much of my life keeping three things in sync: the...…

Prose reader, a modern reading system engine

Hi HN, I’m the author of Prose, an MIT-licensed reading engine / SDK for building reading apps on...…

Perry Compiles TypeScript directly to executables using SWC and LLVM

Compile TypeScript to native executables. 10 platforms, 25+ UI widgets, 0 ms startup.…

Testing strategies for AI-generated frontend code

Testing strategies for AI-generated frontend code Here is a structured blog post tailored...…

Deprecating a React component using TypeScript Overload

A disclaimer - Please be advised that the solution presented in this article addresses a very...…

In what cases is Javascript better than Typescript except for the learning curve????

I built an open-source dependency intelligence platform in TypeScript — here's how it works

Most teams find out their dependencies are risky after something breaks. A maintainer disappears, a...…

The Angular @switch Upgrades You Should Know About

Angular's @switch block has become a lot more useful recently. With exhaustive type checking, Angular...…

Frontend Engineering in 2026: Mastering Performance and DX

The Redefinition of "Frontend Engineer" in 2026 The era of the frontend engineer as a...…

Built a full-stack auth system with Express + React + TypeScript — JWT, bcrypt, RBAC, Zustand, React Query. Feedback welcome!

I built a TypeScript HTTP framework that runs on Node and Cloudflare Workers, v0.1 just released

I scanned Langfuse. It observes its own LLM calls through its own platform.

Post 3 of "Scanning Open Source." So far: Dub hides a fraud engine. Inbox Zero has prompt injection...…

A TypeScript framework for people tired of rebuilding the same backend stack

A TypeScript framework for people tired of rebuilding the same backend stack

Top Next.js Agencies and Next.js Developers for Your Business

<span style="font-size:16px">Choosing the best Next.js agency comes down to verified delivery, CMS specialisation, and a fit with your product stage. This guide profiles 16 leading…

Stop Using useEffect for Data Fetching: Understanding TanStack Query

If you are still fetching data inside a useEffect hook, manually managing loading states, and storing...…

Why green CI doesn't mean your system works

A case study: how a TypeScript migration doubled my test runs — with zero failures CI was green....…

tRPC: The End of API Docs as We Know Them

What's the Big Deal? tRPC stands for TypeScript Remote Procedure Call. The pitch is...…

logfx v1.0.0: One Logger for Development and Production

Today I'm shipping logfx v1.0.0. It's the first release I consider production-ready: 13 official...…

How to Build an API-First Front End with OpenAPI, Orval, TanStack Query, Zod

Frontend development has a repetitive problem that almost every team eventually rediscovers.…

TypeScript’s number type is a lie

TypeScript's number type is a lie

5000 is 5000 is 5000.…

My Express 5 + TypeScript 6 boilerplate after years of repeating the same setup

Building a Lightweight Crypto Trading Monitor: From Idea to Open Source

Ever felt like you’re missing the perfect entry point because you can't stare at the charts 24/7?...…

Migrating from Jest to Vitest 4: A Complete 2026 Guide

A hands-on guide to migrating from Jest to Vitest 4.1.7. Covers installation, config migration, code conversion patterns, and Vitest 4 exclusive features like stable Browser Mode a…

I scanned 8 popular open source repos with one command. Here's what I found.

I built a CLI that scans codebases — stack detection, dependency mapping, convention analysis,...…

Ruby vs. Java vs. TypeScript: my experience on building a Cowork DOCX plugin

Building a production-ready SaaS dashboard in Next.js 16 — Recharts, TanStack Table, dark mode, and collapsible sidebar

I've been building Next.js templates as a side project. This is the most technical one yet: Pulse, a...…

How to Handle Telegram Albums in grammY

When building Telegram bots with grammY, it is natural to expect that a media album arrives as a...…

Ruby vs. Java vs. TypeScript: my experience on building a Cowork DOCX plugin

We've built a Claude Cowork DOCX plugin in Ruby, Java, and TypeScript. Java is the winner for supporting zip files and XML in its runtime with no issues. However, TypeScript is cho…

Ruby vs. Java vs. TypeScript: my experience on building a Cowork DOCX plugin

I Built ShellReq - A Native API Client for VS Code & Terminal

ShellReq - Native API Client for VS Code &amp; Terminal A lightweight, native API testing...…

Building a Local-Only RAG System with Ollama and TypeScript

Building a Local-Only RAG System with Ollama and TypeScript Most RAG tutorials send your...…

Why I Built @editora/react

After building multiple SaaS platforms, CMS tools, and AI-powered applications, I kept facing the...…

Principal Components in TypeScript (Part 4)

This is part four of a series Principal Components in TypeScript and focuses on the application of...…

I built an in-browser Roku TV remote with ~80 lines of TypeScript. Here's how Roku's ECP API actually works

Roku ships an HTTP API on every device they sell. It has no authentication, no API key, no...…

How to Add Search to Your App (and Make it Hybrid in One Extra Line)

Amgix makes it easy to integrate search (keyword, semantic, or hybrid) into your application in a few...…

Production-Ready MCP Servers in 60 Seconds (Auth, Rate Limits, Audit Logs Included)

A TypeScript scaffold for production MCP servers that ships with pluggable auth, per-tool rate...…

🚀 Built a full stack Miro clone with real-time collaboration, infinite canvas, sticky notes, and modern SaaS UI using Next.js, React, TypeScript, Convex, Liveblocks, Clerk, and Tailwind CSS. Would love feedback from the dev community 🙌

🚀 I Built a Full Stack Miro Clone with Real-Time Collaboration using Next.js ...…

tsc-correctness != runtime-correctness

Here is a TypeScript error you have probably seen. src/Header.tsx:3:10 - error TS2614: Module...…

Building MCP Servers in TypeScript That Don't Fall Apart

A post by Mudassir Khan…

Stop Using TypeScript as a Type Checker — Start Using It as a Design System

TypeScript is often introduced as: “JavaScript with types” That definition is technically correct —...…

I tried to build a SaaS. I'm shipping tiny libraries instead.

I tried to build a SaaS. I'm shipping tiny libraries instead. For 7 days I poured energy...…

Publishing a reusable React UI package as an npm module

Publishing a reusable React UI package as an npm module is one of the easiest ways to maintain...…