Playing with React Hooks

Demo app has custom Hook which determines whether an element is in the viewport or not, returing true if it is, otherwise false. Hook is called useIsElementInView.

Pre-requisities

Demo uses IntersectionObserver. See https://caniuse.com/#feat=intersectionobserver

Getting up and running

1. Install dependencies (yarn or npm install)
2. Start demo locally (yarn start or npm start)
3. You're welcome :)