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Prerequisites

# Enable emscripten tools
$ source <path-to-emsdk-repo>/emsdk_env.sh

# Set working directory to src/emscripten
$ cd src/emscripten

# Optional (headless testing, vercel cli, etc...)
$ npm install

Build

$ make -C .. emscripten_build ARCH=wasm # or equivalently `npm run build`

Run

  • Node
# Check node version
$ node -e 'console.log(`node: ${process.version}\nv8: ${process.versions.v8}`)'
node: v16.5.0
v8: 9.1.269.38-node.20

# UCI console
$ node public/uci.js
  • Browser
# Start server for https://localhost:5000/test-puppeteer.html
$ npm run serve

# Run UCI command inside of headless browser
$ npm install puppeteer
$ node public/uci-puppeteer.js bench # not interactive

Build/Run in Docker

# Build
$ DOCKER_USER=$(id -u):$(id -g) docker-compose run emscripten bash
> make -C .. emscripten_build ARCH=wasm

# Run Node
$ docker-compose run node bash
> node public/uci.js

# Run headless browser
$ docker-compose run browser bash
> node public/uci-puppeteer.js bench

Testing

Cf. .github/workflows/ci.yml

$ UCI_EXE="node public/uci.js"           bash tests/bench-nps.sh
$ UCI_EXE="node public/uci.js"           bash tests/bench-signature.sh
$ UCI_EXE="node public/uci.js"           bash tests/stress.sh

$ UCI_EXE="node public/uci-puppeteer.js" bash tests/bench-nps.sh
$ UCI_EXE="node public/uci-puppeteer.js" bash tests/bench-signature.sh
$ UCI_EXE="node public/uci-puppeteer.js" bash tests/stress.sh

Misc

  • Publish npm package
$ npm run build:all
$ npm publish ./public

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