Blog

Writing on engineering, product craft, and lessons from building on the web.

May 18, 2026

React Internals Hands-On

A practical walkthrough of how React reconciles updates, schedules work, and why that matters when you profile a real app.

2 min read

Mar 19, 2026

JavaScript Fundamentals

How JavaScript Runs Many Async Tasks on One Thread

JavaScript is single-threaded, but it can run many async tasks at once. Here is the simple mental model for event loop, queues, and promise timing.

3 min read

Mar 19, 2026

Performance

Lazy-Load vs Conditional Mount/Unmount - What Actually Changes

Lazy-loading defers code/data download; conditional rendering decides whether a component instance exists. The difference impacts network, effects, and state.

4 min read

Mar 4, 2026

React PatternsReact

Build a Redux Store From Scratch - Learn State Management by Implementing It

Implement a minimal Redux-style store from scratch: getState, dispatch, subscribe, and reducers. Understand how global state works and when to use it in real apps like todos or carts

6 min read

Mar 3, 2026

React PatternsReact

Compose Internals - Subcomponents Read From Context, Not Props

Compound components shouldn't receive state and callbacks through props. They read from a shared context so the same UI works with different state sources - local, global, or server.

2 min read

Mar 3, 2026

React PatternsReact

Composition Over Configuration - Let Consumers Build, Not Configure

Stop piling boolean and config props onto one component. Let consumers compose the pieces they need - fewer props, clearer intent, and code that scales.

2 min read