Walkthrough

Open the app

Open DevTools

Right-click inspect element and select the Debugger tab. Then click command + P to search for and open two files:
    client.js,
    and firebase-messaging-sw.js.
You'll likely need to open the Application tab in DevTools and navigate to the Service Workers side tab. Then click the link for firebase-messaging-sw.js to inspect it in the Sources tab.
client.js
firebase-messaging-sw.js

Video

Last modified 3yr ago