TypeError: firebase.messaging is not a function in node.js

Question

While trying to fetch the FCM messages in node.js using firebase module, following error \"TypeError: firebase.messaging is not a function\" is occurring.

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Answer 1

The criteria you are trying to use only works on the browser:

You have to require firebase-messaging, check this full sample it will guide you https://github.com/firebase/quickstart-js/tree/master/messaging

For nodeJS implementation, you have to use admin.messaging

https://firebase.google.com/docs/reference/admin/node/admin.messaging

// Get the Messaging service for the default app
var defaultMessaging = admin.messaging();