hooks - Abrarqasim Blogs

Claude Code Hooks: The Guardrails I Actually Ship

Claude Code hooks changed how I run agents. Here is the exact PreToolUse and PostToolUse setup I ship in every repo, with the JSON, exit…

Rayyan | July 7, 2026 | 9 min

React

useOptimistic: The Optimistic UI I Stopped Hand-Rolling

React 19's useOptimistic hook replaced my hand-rolled optimistic UI: instant likes and messages with automatic rollback. Here's how I use it, with code.

Rayyan | June 19, 2026 | 7 min

Frontend

Optimistic UI in React 19: useOptimistic After Six Months in Production

useOptimistic in React 19 is the first optimistic UI API I actually shipped. Six months of production lessons: where it fits, where it doesn't, what…

Rayyan | May 13, 2026 | 7 min

Web Development

useOptimistic is the React 19 hook I keep forgetting I have

A practical tour of React 19's useOptimistic hook with before/after code for a like button, a task list, and the gotchas I hit in production.

Rayyan | April 17, 2026 | 8 min