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Built My Own React: Frappee — a React-like library

// A 4-hour build: a tiny React-like library with hooks, VDOM, and a custom renderer — for learning how frameworks actually work.

TL;DR: I implemented a lightweight React-like library (Frappee) with a virtual DOM renderer and a hooks system (useState/useEffect) to deeply understand reconciliation and rendering.

What it taught me

  • Hooks are simple stateful closures when implemented correctly.
  • Reconciliation & minimal DOM updates are the heart of performant UIs.
  • A minimal bundler (Parcel) makes iteration very fast.

Repo & demo

  • Repo: see Frappee on my GitHub. :contentReference[oaicite:9]{index=9}
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