First clone and build Relay packages:
git clone https://github.com/alloy/relay.git -b language-plugin
cd relay
yarn install
yarn build
cd dist/babel-plugin-relay && npm pack
cd dist/react-relay && npm pack
cd dist/relay-compiler && npm pack
cd dist/relay-runtime && npm pack
cd dist/relay-test-utils && npm pack
cd ..
Then setup package:
git clone https://github.com/kastermester/relay-compiler-language-typescript.git
cd relay-compiler-language-typescript
yarn install
After following the above package steps:
npm pack
cd example
yarn install
yarn build
yarn start