TypeScript Coffee

Observability at Scale: Mastering ADK Callbacks for Cost, Latency, and Auditability [GDE]

AI orchestrators receive significant attention; however, when deployments become latent and costly,... Read More

EasyPollVote [Dev Log #2]

Welcome to the Second DEV LOG! Welcome to the second Dev Log of my full stack application... Read More

DotShare v3.0 — I Turned My VS Code Extension Into a Full Publishing Suite (Dev.to + Medium Inside)

A deep technical dive into DotShare v3.0 — the Publishing Suite update that added Dev.to... Read More

EasyPollVote [Dev Log #4]

Welcome to the Forth DEV LOG! Welcome to the forth Dev Log of my full stack application... Read More

EasyPollVote [Dev Log #3]

Welcome to the Third DEV LOG! Welcome to the third Dev Log of my full stack application... Read More

I got tired of wiring the same caching stack every project, so I built LayerCache

Every Node.js service I've worked on hits the same caching wall. It always starts the same way. You... Read More

I Built a Voice AI with Sub-500ms Latency. Here's the Echo Cancellation Problem Nobody Talks About

When I started building GoNoGo.team — a platform where AI agents interview founders by voice to... Read More

Function Calling Harness 2: CoT Compliance from 9.91% to 100%

TL;DR 9.91% is not "did the model get it right on the first try" — it's "did the model walk... Read More

Building a Browser Game with React: What Doesn’t work well (Run Away From Work)

Hi! I'm @nyaomaru, a frontend engineer who finally managed to make it to the first zombie in... Read More

How We Ditched Backend Rendering and Went Full Client-Side with framewebworker

The Problem with Server-Side Video Rendering If you've ever built a video editing app, you... Read More

I'm Rebuilding My Old Invoice App and This Time I Actually Know What I'm Doing

So I have this old project called Invoicepedia. Built it like 6 months ago when I was just starting... Read More

Writing a TypeScript Type Inference Engine in 300 Lines of Vanilla JS

Writing a TypeScript Type Inference Engine in 300 Lines of Vanilla JS A minimal... Read More

I Built a CLI AI Coding Assistant from Scratch — Here's What I Learned

I Built a CLI AI Coding Assistant from Scratch — Here's What I Learned TL;DR: I spent... Read More

Building an AI Invoice Generator in a Week (Week 8 of My NanoCrafts Build Curriculum)

Week 8 of my NanoCrafts build curriculum had one goal: ship a second SaaS product fast. After... Read More

Building a Universal Drafts System in a VS Code Extension — Part 1: Types & Storage

How I designed the Draft type, DraftsService, and the save/upsert flow that powers DotShare... Read More

Why I Built a New Vite Env Plugin

The four problems with plain Vite environment variables — and the plugin I wrote to fix them. This... Read More

Why I Built a 4,000-Line Agent Skill Instead of Another npm Package

A structured TypeScript + React + Next.js reference that AI coding agents actually read — debugging playbooks, decision flowcharts, and code review heuristics included. Read More

How We Ran Two Portals on the Same Domain During a React Migration (Without Users Noticing)

Imagine going live with your rewritten app and within an hour support tickets start flooding in. You... Read More

npm audit --json Is Unreadable. I Wrote a Formatter With Zero Dependencies.

npm audit --json Is Unreadable. I Wrote a Formatter With Zero Dependencies. npm audit has... Read More

Building a MIME Type Lookup CLI in TypeScript — 800+ Types, Magic Bytes, and Zero Dependencies

Building a MIME Type Lookup CLI in TypeScript — 800+ Types, Magic Bytes, and Zero... Read More

SvelteKit Port: 32.50 kB Gzip, +72% Over Plain Svelte — Meta-Framework Tax, Round Two

SvelteKit Port: 32.50 kB Gzip, +72% Over Plain Svelte — Meta-Framework Tax, Round... Read More

I got tired of messy TypeScript migrations in Node.js, so I built fast-ts-integrator

Adding TypeScript to an existing Node.js project sounds simple until it isn’t. A few files in,... Read More

Make Your Hono Authorization Server Work on Any Host

How to remove the hardcoded ISSUER constant from your Hono OIDC server so it works correctly on localhost, staging, and production without any code changes. Read More

From NASA Exoplanet Query to ExoVault: Building a Better Data Exploration Experience

Other project idea I recently decided to build in public was inspired by the NASA Exoplanet Query... Read More