This demo project uses yarn and lerna
It has only one package copied from here : https://github.com/sencha/ext-react/tree/ext-react-6.7.x/packages/ext-react-modern-typescript-boilerplate
- Install lerna and yarn
- yarn install
- yarn start
Command nr.3 it's a script that launches "lerna exec "yarn dev" --scope=@sencha/ext-react-modern-typescript-boilerplate"