BMI Calculator

A modern, space‑themed Body Mass Index (BMI) calculator built with SvelteKit + TypeScript, designed for a accessible user experience.

• Live: https://bmi-logigo.vercel.app

Highlights

• Instant BMI results Includes category classification and guidance.
• High‑quality animations (optional) Results reveal, count‑up number, and gauge/range animations.
• Render Mode toggle Turn advanced visuals on/off for better performance or battery life. Stored in localStorage as bmi.renderMode.
• Reduced motion support Respects prefers-reduced-motion.
• Privacy-first No tracking — preferences and history are stored locally.
• Offline ready Includes a service worker in production builds.

Tech Stack

• Framework: SvelteKit
• Language: TypeScript
• UI: Svelte components + custom CSS
• Runtime / tooling: Bun
• Deployment: Vercel

Quick Start

bun install
bun run dev

Open the local URL printed in your terminal.

Scripts

bun run dev        # start dev server
bun run check      # svelte-check
bun run lint       # eslint
bun run test:run   # tests
bun run build      # production build
bun run preview    # preview build

./verify.sh        # check + lint + test + build

Project Structure

src/
  lib/components/   reusable UI components
  lib/ui/           app UI sections
  routes/           SvelteKit routes/pages
  global-styles.css global styling

Contributing

PRs are welcome.

License

GPL‑3.0 — see LICENSE.md.