Firebase functions.httpsCallable(...).then is not a function

Question

I am trying to use a function I made. So in my client I am doing this:

const functions = firebase.app().functions("europe-west1");

        functions.httpsCallable('getSelf').then(res => {
            console.log(res);
            //stuff
        }).catch(e => {
            console.log(e);
            switch (e.code) {
                //stuff
            }
        })

and basically I get the error that functions.httpsCallable(...).then is not a function. I dont really get it and I do not find any documentation how to make a function call on the client on a different version.

This is my serverside


// Gets things like adminlevel, profilepic etc
exports.getSelf = functions.region("europe-west1").https.onCall((data, context) => {
  // Checking that the user is authenticated.
  if (!context.auth) 
    // Throwing an HttpsError so that the client gets the error details.
    throw new functions.https.HttpsError('unauthorized', 'The function must be called ' +
        'while authenticated.');

  return db.collection("userInformation").doc(context.auth.uid).then(user => {
    if(!user)
      new functions.https.HttpsError('not-found', 'The user was not found');
    //returns needing values
    return {
      profilePicture: user.profilePicture,
      adminLevel: user.adminLevel,
      stripeAccountId: user.stripeAccountId,
      stripeCustomerId: user.stripeCustomerId,
      type: user.type
    }
  })
});

Michael Bleigh · Accepted Answer · 2020-01-08 17:08:06Z

4

The HttpsCallable is itself a function that can be called with parameters, you need to add another () in there:

const getSelf = functions.httpsCallable('getSelf');
getSelf({}).then(...);

answered Jan 8, 2020 at 17:08

Michael Bleigh

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2 Comments

Lukas Germerott Over a year ago

So that fixed my "not a function" error. Now I get an internal error.

Michael Bleigh Over a year ago

Looks like return db.collection("userInformation").doc(context.auth.uid) needs to be return db.collection("userInformation").doc(context.auth.uid).get() as well.

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