Create a callbag listenable source from events on a DOM node or a NodeJS Event Emitter.
npm install callbag-from-event
Create a listenable source of click events on the <body> node.
const fromEvent = require('callbag-from-event');
const forEach = require('callbag-for-each');
const source = fromEvent(document.body, 'click');
forEach(x => console.log(x))(source); // MouseEvent ...
// MouseEvent ...