@arpinum/messaging 
Life is a little like a message in a bottle, to be carried by the winds and the tides.
Gene Tierney
@arpinum/messaging contains a simple message bus.
Installation
npm install @arpinum/messaging --save
Example
const { createMessageBus } = require("@arpinum/messaging");
const bus = createMessageBus();
bus.register("PrintText", (message) => console.log(message.payload));
bus.post({ type: "PrintText", payload: "Hello world" });
// Hello world