• https://itnext.io/step-by-step-building-and-publishing-an-npm-typescript-package-44fe7164964c

• npm login

• npm publish

• https://stackoverflow.com/questions/57509855/expose-a-global-command-to-run-a-script-from-node-package

npm pack (Optional.required only for local development)

npm install -g ionic-hack-1.0.0.tgz

./node_modules/.bin/ionic-hack

or add

"scripts": { "test": "echo "Error: no test specified" && exit 1", "ionic:splash": "ionic-hack" },

called ionic:splash script from ionic-hack package

npm run ionic:splash -- --startColor=#7FFF00 --identifier=io.ionic.starter