Firebase Cookbook

How it works...

For this to work, we're doing the following:

1. Importing using importScripts while considering this as the script tag with the src attribute in HTML, the firebase app, and the messaging libraries. Then, we're introducing our Firebase config object; we've already discussed where you can grab that object content in the past chapters.
2. Initializing our Firebase app with our config file.
3. Creating a new reference from the firebase.messaging library--always remember that everything in Firebase starts with a reference.
4. We're listening to the install and activate events and printing some stdout friendly message to the browser debugger.

Also, within our manifest.json file, we're adding the following metadata:

1. The application name (optional). ...