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Initial Setup

# Cloning GOL repo...
cd $WORK_DIR
git clone https://github.com/rustwasm/wasm_game_of_life.git

export WASM_GOL=${WORK_DIR}/wasm_game_of_life
cd $WASM_GOL

# set up 'pkg/' directory
wasm-pack init

# Install NPM dependencies for web app
cd ${WASM_GOL}/www
npm install

# Create local (non-NPM) links
cd ${WASM_GOL}/pkg
npm link

# Create links to the local non-NPM packages
cd ${WASM_GOL}/www
npm link wasm-game-of-life

# Start a dev web server in the application directory
cd ${WASM_GOL}/www
npm run start
  • The dev web server will pick an unused port on the local machine and start serving web pages via HTTP
  • Look for the server URI in the log output when starting the dev web server

Development Workflow

If you make changes to the Rust source, rerun wasm-pack

cd $WASM_GOL
wasm-pack init

If you make changes to the JavaScript source in index.js the NPM development server will pick up those changes, and automatically reload the file.