energy-unit-converter

how-to-use.mp4

Visit here: https://kenhino.github.io/energy-unit-converter/

A Rust-based energy unit converter that runs in the browser via WebAssembly. The UI can switch between the ase.units CODATA datasets (1986 through 2022), with 2018 selected by default.

Prerequisites

• Rust with the wasm32-unknown-unknown target
• wasm-pack
• Node.js

Setup (first time)

# Add the WASM compilation target
rustup target add wasm32-unknown-unknown

# Install wasm-pack
cargo install wasm-pack

# Install frontend dependencies
cd www && npm install

Running locally

# 1. Build the Rust WASM package (from repo root)
wasm-pack build --target web

# 2. Start the dev server
cd www
npm run dev

Open http://localhost:5173 in your browser.

Re-run wasm-pack build --target web whenever you change Rust source code.

Other commands

Command	Description
cargo test	Run Rust tests
cargo clippy	Lint Rust code
cargo fmt	Format Rust code
cd www && npm run build	Build production assets
cd www && npm run preview	Preview production build
cd www && npm test	Run frontend tests