Unable to receive fcmOptions field on default firebase handlers

[guiiamorim]

[REQUIRED] Describe your environment

• Operating System version: Windows 11 Pro 21H2
• Browser version: Chrome 101.0.4951.54 and Firefox 101.0.4951.54
• Firebase SDK version: 9.7.0
• Firebase Product: messaging (auth, database, storage, etc)

[REQUIRED] Describe the problem

I'm using the firebase messaging to show notifications on my web app. This notifications often come with a link to a page on my app to the user to follow, but, using the onMessage and the onBackgroundMessage methods, the fcm_options doesn't show on the payload. The only way I managed to retrieve the link is by either using my own event listener to get the link, and even then, the link is not where it was supposed to be. I send the property correctly under the webpush.fcm_options.link, but on the browser it appears on notification.click_action, which I assumed was deprecated.

Steps to reproduce:

Just follow the quick guide instructions and the results will be the same

Relevant Code:

importScripts(
    'https://www.gstatic.com/firebasejs/9.7.0/firebase-app-compat.js',
    'https://www.gstatic.com/firebasejs/9.7.0/firebase-messaging-compat.js'
);

const firebaseConfig = {
    apiKey: "********",
    authDomain: "********",
    projectId: "********",
    storageBucket: "********",
    messagingSenderId: "**********",
    appId: "**********",
    measurementId: "*********"
};


firebase.initializeApp(firebaseConfig);

const messaging = firebase.messaging();

messaging.onBackgroundMessage(payload => {
    console.log(payload)
    self.registration.showNotification(payload.notification.title, payload.notification);
})

For me to get the the link on the background message, I had to make my own eventhandler on the notificationclick event

self.addEventListener('notificationclick', evt => {
    const url = evt.notification?.data?.FCM_MSG?.notification?.click_action \\ Note that the link is actualy being sent on the click_action property of the notification
    console.log(url)

    if (url)
        self.clients
            .openWindow(url)
            .then((windowClient) =>
                windowClient ? windowClient.focus() : null
            )
})

So, there is a way I can retrieve the fcm_options on the default methods? I really don't want to rewrite all the logic that this awesome library does for me out of the box.

[zwu52]

looked into this. The issue is this: currently when v1 send, message.webpush.fcmOpions.link is packaged into notification.click_action

routed to our backend folks for a fix