Firebase undefined value Firebase realtime database not returning any data. database is a function without any ServerValue in it. Any idea ? firebase; react-native; Firebase value is undefined when it is not supposed to be. 4. So far I have tried doing this with the updateDoc method like so: updateDoc(documentReference,{ photoURL: undefined }) But it throws this error: I am trying to update the user account details in firebase but I have noticed that the input value for one of my fields keeps coming up as undefined even when I console. Viewed 106 times Part of Mobile Development and Google Cloud Collectives 1 I have an Android application Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company Receiving undefined when retrieving value from firebase. This is how I get input and store the data: read: if request. firestore it comes back as undefined. So it must be return true for each of the return statements in the code above where there is no Promise being returned. serverTimestamp() cannot be created or updated in release mode. But I was not able to use the function because it is undefined. //Location where I call to add a Recipe. var ref = I have a program that polls the weather every 30 seconds and I was getting CORS errors. I'm trying to build a fintech website, and I have a users collection and a transactions collection. database without parentheses, so that explains why the increment cannot be found. I would recommend you to be printing the results from each value in your list, every time the for is occurring, to check when the undefined value is showing up. I even found the setting which is { ignoreUndefinedProperties: true } but where do I enter these settings? Handling undefined Values with FirebaseI have a simple form in my web application that persists a JSON object to my. data && (. log shows precise result. 10. There isn't any type null as far as I know. If you are currently using FCM for web and want to upgrade to SDK 7. 0) Your return doc. doc(id) . Firebase database returns null; upon refresh, it returns correct value. data(). However, sometimes the fields come back empty or “null”, and this is causing the error: “Cannot convert undefined or null to object” This interrupts the workflow and I am not sure if this is an n8n side issue or firestore side issue. Problem with retrieving data from firebase database. Viewed 437 times Part of Google Cloud Collective 2 I´m getting undefined on my website from the "Bestillinger" child from firebase, and I cannot figure out why. database(). 0 firebase-functions: v3. this has the same issue that I have with what I posted (not in question). Firebase retrieve returns undefined/object Object. stringify(data)) it still just print undefined to the console. Undefined value from imported function. Modified 4 years, 7 months ago. When I try to fetch, I only get undefined. setState({confirm console. increment(0) will set your field to zero instead of performing NO INCREMENT. Error: Function returned undefined, I am currently trying to update my own little personal weight tracker using Firebase and React Native. I'm trying to add in back-end with Firebase a document in a collection whose name is randomly generated thanks to a function Function DocumentReference. In debug mode, everything works fine. This is my data structure: This is the rule which I am trying to run: rules_version I've made a firebase function which every time I pass data to it and try to use the data, it returns that the data is undefined. the doc. I am assuming this has something to do with circular dependencies, but how is that supposed to be avoided when using table inheritance and one to many relationships? It is complaining about the following javascript at BaseComic_1. I get my user Firebase Data Access Before Promise Resolution: Unexpected null or undefined values from document snapshots. default. Modified 2 years, 7 months ago. Invalid use of type "undefined" as a Firestore argument. 0 (react-native 0. But when I return the very same value I receive Undefined. (I am t Skip to main content. messaging(). stringify(obj))/fbRef. data() as UserModel //firestore export interface UserModel { docId: string, accountId: number // if null then I want to set 0 } The valueChanges() stream doesn't include the key of the nodes. If you want to explicitly store the indexes for each user, you should probably save your user list as an object rather than an array. About; Products OverflowAI; Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Firebase Firestore doesn't accept undefined as a value for one of the docs fields (title in your case). parse(snap. 30), I'm trying to set a TIMESTAMP as described in the docs: import Firebase from 'firebase' let config = created_at = undefined. 0 'db is undefined' problem with firebase integration in JS. When I comment out the elements that use the data, the data gets stored in state, I uncomment the elements and they render without any issues. In this code snippet: import * as functions from 'firebase-functions' import apiApp from ". Objects like request implement the Map() interface. Firebase js library retrieves empty data from non empty database. //This comes from a previous firestor once you import the firebase-admin sdk (in Typescript) like this . I have a simple form you should not have an undefined value on a JSON object), I'm building a barcode reader app that scans that qr code and then takes data and is used as a key to fetch an object from firebase. Receiving Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. 18. log(Object. I can't include my Firebase auth code on here, but I put the rest of the code on CodePen: Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company Related issues N/A [REQUIRED] Version info Firebase function: v3. This is my first time implementing this and google changed their SDK to version 9 m Error: update failed: values argument contains undefined in property Since this was maddening, I wanted to share the answer. Trying to convert from javascript date to firestore timestamp throws TypeError: Cannot read property 'Timestamp' of undefined I tried it in 2 ways: Using firebase-admin const admin = require(' Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company And also your firebase-admin version? – Dharmaraj. Firebase getValue() not functioning as expected. Could Not find Variable FieldValue, React Native/Firebase. const firestore = admin. separates the date from the league ID, but I don't know where it gets this notation from as I place it in the Firebase with /-notation. I try to add a key property to an object but it somehow keeps saying it is undefined! Behold the great simplicity below!: I just had an issue with this and I use something like: value: valueOrNull(value), where valueOrNull is value => value (value === undefined ? null : value). database. 1 Firebase Product: messaging JS SDK Version: 3. So I matched the slug field in the doc. trip?. I noticed there are some dependencies pulled in that are not explicitly specified by us or any SDK, so Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. Barcode class : Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company In my local environement using the firebase emulator, I have the following rule that raises a FirebaseError: Property managers is undefined on object. Provider> </React. log(firebase. Firebase has a 'compat' mode which is apparently temporary. Cannot read property 'push' of undefined when using angular 5 to store data in firebase. js. 2 How to display Firebase query result in HTML (undefined error) 0 Firebase retrieve <FirebaseContext. firestore(). 0 Receiving undefined when retrieving value from firebase. ServerValue. FieldValue. The '2023-02-23. firestoreConverter); await addDoc(collectionRef, recipe); Cannot use "undefined" as a Firestore value. But some information such as address, bus. I tried using async await to wait for an input with no help, and I'm not really sure what could be going wrong. Your code doesn't cater for that, which leads to you trying to set a score before it's actually been loaded. Updating a value in firebase with javascript not working. firebase not return the key? 0. This issue does not seem to follow the issue template. how to I found a few problems with this issue: I couldn't figure out how to label this issue, so I've labeled it for a human to triage. body doesn't have a name property. Getting firebase item after creating it - undefined. My config file : import firebase from "firebase/ Unsupported field value: undefined Skip to main content. 4. Handling undefined Values with Firebase. name to a variable it is showing me After upgraded to Firebase 3. Open menu Open navigation Go to Reddit Home. set() called with invalid data. settings with { ignoreUndefinedProperties: true }. So then the issue is when you mount your component in the useEffect below, you run fetchData() which relies on message which is using undefined for the recipient comparison. 0. Firebase value is undefined when it is not supposed to be. I want firestore to ignore these fields and store the rest of the object info. The proper way to pick up the user state in such scenarios is to use an auth state listener as shown in the first code fragment in the documentation on getting the current user. Tags: json javascript firebase firebase-realtime-database. g. – I'm trying to signup using the firebase - createUserWithEmailAndPassword method, but it returns undefined when I try to log the returned value. I investigated it and saw that the city and country were being read as undefined. initial `reactive ` value to null. Can I respectfully suggest that it's a violation of the principle of least surprise for Firebase to treat null and undefined differently since JS does not? The third argument is going to be the "value" it's referring to. log (todoList) before the return statement, it does indeed have the object I want. I tried both get() and onValue() with the same results. About; Firebase value is undefined when it is not supposed to be. Data is loaded from Firestore asynchronously, and your return services; doesn't in any way return a value from getAllServices. Hot Network Questions What is the polymorph reached by Hi @AndyYoung thanks for returning and confirming the usage. I even found the My firebase version used is 6. 0 State not saving when using React Hooks with React Router. Yes I forgot to copy that, the post is fixed @DougStevenson Getting undefined when firebase data stored to You can take the extra step to add a docId field to every document when it's created, and then use that as the 2nd where condition. Found this fetchSignInMethodsForEmail. match /collection/{doc} { allow write: if 'lastApproval' in request. Instead, you can use null. I try to s Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. log(this. I am trying to get a data from my firebase collection. Firebase admin SDK database update returns undefined. I did that: I'm just starting with firebase-firestore and I want to use the collected data later in my function but when I try call this data, returns empty or undefined. name it is returning the name but when I am trying to assign the doc. useSWR return { null, null } for valid request. Hello! I am trying to store some data from an http request in a firestore database. TL;DR: Can a value be undefined||null? fbRef. firstName); //this is what i want! but it's "undefined" var lastName = JSON. data is undefined. stringify(obj, function(k, v) { if (v === undefined) { return null; } import * as admin from 'firebase-admin'; if (!admin. parse(JSON. 2. My database structure as such: I am trying to pull the merchantName and its relevant branches details: function getAllMerchant() Firebase value is undefined when it is not supposed to be. 1. } The update is working as expected and everything I had to double check the return value too, to learn what it Starting from Version firebase_storage 5. value; var userTypes = userType. When I make changes and save the file, it reverts back to being undefined and the elements do not render. Later, the onAuthStateChanged will trigger and update the state. – gso_gabriel I have an app that uses Firestore and in the app I have a functions folder containing my Firebase functions. If you want to ignore undefined values, enable `ignoreUndefinedProperties` Load 7 more related I have a login form that will log in the user (at least thats what i want it to do), when I try to get any user info from the firebase object, it doesn't work or it works weird. Since you did not specify a language, I've written it in Typescript. When I console. Firebase Function returned undefined, expected Promise or value but the function works. ref(); var storesRef fcm firebase function undefined value - first attempt, defined - second attempt. but when i try to delete it, it deletes all other event with it. 0 NPM version: The initial value of currentUser is going to be undefined because that is what you (don't) pass to the state when you set it up in your hook. 1 node: v14. Pass firebase reference to function, and get return value. The comparison with the 'some value' on the right-hand side never happens, and the rest of the rule expressions are not evaluated. db seems not the standard JavaScript SDK import. One user can send money to another user by using their phone number. In the realtime database, I could insert the data as the picture below. Most likely the displayProjects method is executed before the user sign-in has been completed. 2. set(JSON. Since admin. How to check null on interface variable and how to set the default value in typescript? const userModel = snap. class Navigation extends Users in your example is undefined. Update State in React (Firebase) Undefined Value. How to solve incorrect return value of javascript+firebase function due to order of operation is different when retrieving data? 1. However, whenever I log DataSnapshot. Commented Sep 16, 2022 at 11:38. signInWithPhoneNumber(value); this. 1 Image in UI doesn't update when using State Hooks. What I am trying to accomplish in a Firebase Function: Read from Firebase database email addresses to batch email. Notice that your return statement only returns a value to the anonymous function that you passed to forEach. 0 What you're doing will result in undefined due to incorrect ways of accessing secrets. Firebase returning "undefined" value in React Native data fetch. 5 Cannot use "undefined" as a Firestore value. value; var rootRef = firebase. 19. As soon as the user logs in, the "auth", firebase returns a "user" variable, which I'm using to let me know whether (Firebase) Undefined Value. I'm currently working on a function in firebase that creates users without logging them in, Create user with email and password returns undefined uid. Timestamp | Date; } I've had a quick browse through the documentation and haven't found a solution for this (yet. import * as firestore from "firebase-admin"; Firestore finds undefined value in fully defined JSON, key does not even exist. send() returns a promise (see doc ), you just have to return this promise, as follows: Firebase value is undefined when it is not supposed to be. This will trigger a re-render and currentUser will be the value you want. const collectionRef = collection(db, collectionPath) . So the effect is first going to run with undefined as the value of currentUser. I'm trying to get a specific doc from my firestore database. Unsupported field value: undefined. Document references must have an even number of segments. firestore(); firestore. 1 firebase-tools: v10. To store a JSON object with undefined/unknown values, stringify it and store it to As of today May 29, 2020, Firebase Added support for calling FirebaseFiresore. I can see both values – mhfour. Error: element type I am fetching data from firebase with the result being undefined. /api/api" const REGION = "my region as a string" const secrets = ["SERVICE_ACCOUNT"] export const api = functions . Data is loaded from Firebase asynchronously. Add a comment | Firestore finds undefined value in fully defined JSON, key does not even exist. How to fix "Function returned undefined, expected Promise or value" when creating a function for Firebase? 0. Ask Question Asked 6 years, 6 months ago. I will delete this question and answer Data is read from Firebase asynchronously. Fetching data from firebase realtime database returns invalid json response. log(value. TypeError: undefined is not an object (evaluating 'row[OBJECT_COLUMN_NAME] = key') | React Native. database is not a function. name is undefined because req. firestore. firestore)) Share. The ServerValue property is defined on firebase. Error: Value for argument "value" is Receiving undefined when retrieving value from firebase. val())}), otherwise as usual. value), I guess email or password in undefined and firebase cannot insert undefined as email address – Mehrnoosh. – Doug Stevenson. – bragi I have a Cloud Function that is triggered when a document is created in Firestore, and I keep getting Function returned undefined, expected Promise or value. The function does what it is supposed t Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company I spotted a thing in your code, createUserWithEmailAndPassword method returns a promise which is of type UserCredential, an object that contains a structure of credential and user, So you've made a mistake in there by asking of property uid of user (the returned promise) which is non-existence. I tried updating firebase in npm, tried reinstalling firebase. Function returned undefined, expected Promise Uncaught TypeError: Cannot read properties of undefined (reading 'Field_1') If these fields are undefined within FieldSet (these field wouldn't exist yet) how do I create them and set them to a initial value (ie. Here's a similar custom version set that does the same thing, that actually exposes more functionality allowing you to decide if you want to check also nested fields for undefined, or only the root Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company I am really stuck on this firebase mobile OTP authentication. I’m on mobile in a car as well so that won’t I want to retrieve user profile data to show the information in user profile page. Firebase | Reading data from Firebase returns "undefined", but console. The only way to return something getAllServices is in the first level of code in there, but at that point your then() callback won't Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company @LeMoi. Given there were issues with resolved dependencies not long ago caused by some stealthy behind the scenes dependency update see here, plus there is some Firestore "Adding unlinked" stuff going on in Firebase iOS SDK, I assume this has something to do with it. Provider value={new Firebase()}> <App /> </FirebaseContext. trip = element has ever been run. This just confirms that in your code, there is an undefined value in your list. 37 Firebase listener with React Hooks. Unsupported field value: undefined #9567. validateUserInput returning undefined after Firebase get request. 1: You have to do the following: TypeError: Cannot read property 'instanceIdentifier' of undefined (FirebaseStorage) 3. Unsupported field value: undefined (found in field lastname in document av_deliveries/[object Object])" ", it may seem silly but I don't really I have written a firebase function to send notification whenever a like occurs in my android app. conditional addDoc/updateDoc. 🐛 [cloud_firestore] Function DocumentReference. It says "object value at left was snapshotted when logged", in my case an empty array, in yours a promise object, with an empty promisevalue, and then it says "value below was evaluated just now", in my case, it's exactly what I want, in your case, it's a promise object, with Getting undefined value from Firebase. runWith({ secrets }) . firestore by logging console. id return as undefined, i guess it delete the whole folder instead. keys(firebase. All the other returns is working fine. Modified 6 years, 6 months ago. In your code that'd look like this: I am learning about firestore security rules and I cannot get my head around why my security rule is failing. The value undefined is what you get when you access object properties that don't exist. Hot Network Questions The posts here help me a lot on my way to find a solution for the Uncaught TypeError: Cannot read property 'value' of undefined issue. Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. 9. Value for argument "dataOrField" is not a valid Firestore value. Would be nice if this was built-in, but not a big deal to implement this workaround if it's needed. I have a function that creates a new user through Firebase Auth, and for awhile I had it working but now it's returning undefined. 0 or later, you must enable the FCM Registration API for your project in the Google Cloud Console. getUser currently returns a promise that always resolves to undefined because getUser never returns an actual value. Viewed 780 times Part of Google Cloud Collective 0 I am trying to fetch a list Firebase value is undefined when it is not supposed to be. arrayUnion('location 1') firebase. Breaking change mentioned here:. auth(). Now I want to remove the value by setting it to something that signifies "empty" such as null or undefined. I'm posting this is a work-around that if you're for whatever reason unable to update your legacy firebase version and can't access the ignoreUndefinedProperties argument. it should looks like this: Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company Visit the blog Bug report Describe the bug Docs with FieldValue. at Object. initializeApp(); } const firestore = admin. Ask Question Asked 5 years, 9 months ago. What does your commented-out console. Stack Overflow. I'm getting undefined value in verify in recaptcha. Commented Apr 1, 2019 at 3:06 @MH-Li nope, no issue with both email and password. Provide details and share your research! But avoid . Can't get data from firebase. I currently have the 5. Ask Question Asked 7 years, 4 months ago. Retrieving Data from firebase database (Working in console but doesnt work in code) 0. 3. However, sometimes the fields come back empty or “null”, and this is causing the error: My solution was to simply stringify() the object combined with a replacer to replace all undefined values. If you want to ignore undefined values, enable `ignoreUndefinedProperties`. But it'd also be useful to see how you import firebase, as firebase. getElementById('root')); src/shared passwordOne)) and seeing what you get? If you get undefined it might be because you’re not returning what you need to from it. collection('users'); final firestoreQuery = userDb . When doing console. TypeError: Cannot read property 'auth' of undefined when calling " firebase. The notification functionality works good most of the times but sometimes does not work. Modified 7 years, 4 months ago. Firestore Trouble with get() then add() 0. I'm willing to bet that you're passing undefined here, and that user is undefined, which means that user?. It gives back this error: Uncaught TypeError: Cannot read property 'getDownloadURL' of undefined. stringify(value. uid is also undefined, which is not a valid value to pass to a Firebase returning "undefined" value in React Native data fetch. firebase. When you write code that might lead to writing undefined in RTDB, you should replace But what's actually happening is that when you are importing the user from StateProvider its actually taking time for user. Tools React 0. Unable to read data from Firebase Realtime Database in React Native. Unable to figure out what's wrong here. lastName I am trying to display list of event with a delete button and can only be deleted by the event creator. withConverter(Recipe. otherLogic) } Getting undefined value in firebase when pushing the new node through android code but when adding manually means in firebase database directly then I am getting data. Vue FireStore Reactive Key Assignment - Object is possibly 'undefined' 0. You'll want to use either admin. Hang tight. Improve this question. Functions that are triggered by background operations (such as the write to Firestore in your case) and that execute asynchronous operations (such as the write to sendToDevice() in your code), need to return either a value or a promise to make it clear when they are done. settings({ Hello! I am trying to store some data from an http request in a firestore database. In order the data to be used as a key I need to pass through another screen but when I check console log it's cameback that the scanned key is undefined. body. 848' property (I think) refers to the location the data should be placed. Steps to reproduce Steps to reproduce the behavior: @override Future<void> updateItem( I'm trying to create user collection in Firebase using addDoc function. Receiving undefined when retrieving value from firebase. Can't set object property as reactive in Vue. FieldValue | firebase. log(JSON. While Firebase automatically restores the user credentials when the page/app reloads, this requires it to call to the server (a. It seems like you meant to get the uid from somewhere else because inside fetchData() you're setting userData with a list of items - so you can't rely on userData on mount since it's empty / I'm trying to add an image to firebase storage and also add data to firestore with the image URL. You can find all available types in the documentation. o. Firebase Realtime Database: Uncaught TypeError: firebase. Viewed 6k times Part of Google Cloud Collective 2 . (Also, your docs variable doesn't do anything - it never gets used. length) { admin. But Undefined is not a valid type for Firestore fields, but null is. return false;). data() ?? someOtherData(); You already seem to know the cause of the problem, given that you tagged your question with asynchronous. Firebase Function returned undefined, expected Promise or value but the function works Hot Network Questions The extremum of the function is not found Yes, if you don't use the { merge: true } option with set, firebase. log it. The . region(REGION) . foobar == 'some value'; That's because foobar doesn't exist, and the rule will raise that it is undefined. log(value); //this works fine, shows the object as expected console. I want that, when a new spending is stored, a notification is sent to all other devices. Can't read datas from Firebase Database. Cannot use "undefined" as a Firestore value (found in field "registrationList. I have almost two I am trying to fetch data from firebase in order to know if my user already has an account. Function addDoc() called with invalid data Unsupported field value: undefined (found in field profileUrl in document posts/enWLU43yaVZumArW5MIZ) Cloud Firestore The value undefined can't be written in RTDB. Make sure you have FieldValue inside firebase. Values from firestore showing as It seems that recently Firebase has updated their SDK due to which their sample code and documentation is little out of date. 281 How can I make setInterval also work when a There is a method provided by firestore to increment a numeric value. Users can add comments, but when it comes to receiving comments, an undefined value is returned. obj = JSON. React Native - TypeError: _firebase. Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company Firebase Firestore v9 best practices: ignoreUndefinedProperties vs. Closed jpiabrantes opened this issue Sep 19, 2022 · 7 [cloud_firestore_platform_interface cloud_firestore_web collection firebase_core firebase_core_platform_interface flutter meta] - cupertino_icons 1. when debugging with Chrome' Developer Tools, firebase. error(e); // Invalid code } It gives the following error: TypeError: Cannot read property 'native' of undefined. When I try to save as Date(date) it will save firebase key value return undefined. If you set some breakpoints and run in the debugger, or add a log inside the subscribe method, you'll see that your console. 21. log(signupFormData. StrictMode>, document. Asking for help, clarification, or responding to other answers. Here's the method I am using: It looks like your database is an instance of firebase. uid to render the value ,so for few second's it render the value of user. [REQUIRED] Step 2: Describe your environment Operating System version: MongoDB Atlas Trigger (Realm App) Firebase SDK version: 11. The itself barcode scanner works perfectly. So at that point, it indeed doesn't have a value yet. it loads it AFTER. According to the AngularFire documentation on [valueChanges](When would you not use it?- When you need a more complex data structure than an array or you need the key of each snapshot for data manipulation methods. To define a default value for a useState hook, you type it into the paranthesis. You must return with a boolean value even if you are just trying to exit the function. If you want to ignore undefined values, enable ignoreUndefinedProperties. Specifically this is the code I'm trying to get to work: const locations = firebase. update(data) console. Variables in But, when I try to access the object so I can show it in the html later It almost always prints on the page as "undefined" var value = snapshot. Unsupported field value: undefined happening in firebase? Ask Question Asked 3 years, 10 months ago. Ask Question Asked 4 years, 7 months ago. I found this function in the docs but it doesn't work for me. Cannot read property of null in Angular. This means, that in your set or update reference method, you've passed an argument, which had value of undefined, which is by definition not a valid Firestore argument. Ask Question Asked 5 years, 3 months ago. import firebase from 'firebase/app'; import 'firebase/firestore'; export interface ModelTest { date: firebase. I have searched a lot, but couldn't solve it Cloud Functions for Firebase triggered by events in the background must return a promise (or in certain cases a value, e. This is particularly useful when your incremental value can be a variable with situation that it can be sometimes ZERO. var addresss = address. To anyone using FirestoreDataConverter here's how I did it for an array of object type RecipeTag inside an object of type Recipe. If you want to check if the value is null then try user. val() I receive the input 22, which is perfect. Uncaught TypeError: firebase. Uncaught TypeError: Class extends value undefined is not a constructor or null Similar issues had something to do with circular dependencies but I am not really sure why this happens, Firebase requires the components inside the public folder to ship them when deploying the app. https. 14. My async function is not waiting for a promise from Firebase. Uncaught (in promise) FirebaseError: Invalid document reference. My Firestore document has a field with a value already set. I am actually trying to delete by Key Value from firebase-realtime-database, but the event. auth is not Firebase returning "undefined" value in React Native data fetch. BaseComic. To check if the lastApproval property exists at first place, try this:. database() (note the parentheses in there). Vue3 : Why my property is That being said, Optional Chaining can be used alongside Nullish Coalescing to provide a fallback value when dealing with null or undefined values const data = change?. 0. for 'list': rules_version = '2'; service cloud. resource. I'm trying to get a key back from firebase and to pass it to a component, but it returns undefined and i can't understand why. The solution is to properly synchronize access to the data: first ensure that everything is loaded, only then update the score. 5 I am implementing firebase phone number authentication in React {confirm} = await firebase. import Some of my object fields have undefined values which firestore doesn't accept. bool isSomeFieldSetForUser(String userDocId) { final userDb = db. Error: Value for argument "value" is not a valid query constraint. Try replacing your first line with the example below: const Firebase returning "undefined" value in React Native data fetch. FieldValue is undefined. Hot Network Questions Are there any existing (indigenous) European languages with aspirated/unaspirated versions of consonants which are different phonemes? TypeError: Class extends value undefined is not a function or null. 0"). after?. In order to change age to null without removing it from your document, you'll have to update your SomeObject to accept a number or null. javascript; firebase; firebase-realtime-database; Share. database is not a That is the expected behavior. ). firestore) and try console. createdBy) runs before this. apps. where('docId', In Issue 2287 there's background for this. The image is uploading to firebase storage, but it's not returning the URL if I use getDownloadUrl method. 1 version of firebase. data() statement isn't actual returning anything to the caller of getUser. You're not returning anything, so Cloud Functions complains that it doesn't I'm trying to take a Date() object and turn it into a proper Firebase timestamp for data. . Undefined class 'StorageTaskSnapshot'. 0, Firebase 2. val(); console. The issue is this one: The "i" property returns undefined, but after it shows the value "password". database() is not a function. lastApproval == null instead. onAuthStateChanged((user)" 2. Your req. Skip to main content. collection Showing undefined value. Here is I was having this problem when trying to pull from firebase. can't retrieve data because of 'undefined' value. Input Value doesn't save, when pushing onto array gives undefined value. increment(1), Firebase value is undefined when it is not supposed to be. When I deploy, everything is working, but in my test environment anytime I access FieldValue from admin. 9 ( I don't think React part is important) This question is very basic, yet is blowing my mind! Seems like a basic Javascript syntax error, but maybe Firebase is tripping me up somehow. log('updated stuff:', stuff) // Will always be undefined, despite working. In my code sample, I'm using the push() method, which will always append the new user's uid to the existing array without overwriting the existing elements. Firebase query returns undefined. log(workout) print?. to check whether the account has been disabled) and that is an asynchronous call. 2 firebase-admin: Firebase function with express-session returning undefined value Community supported discussions on Google's Firebase platform. Fixing the issue: Personally I find everything much easier to understand with an example. There are already here many answers which are correct, but what we don't have here is the combination for 2 answers that i think resolve this issue completely. While fetching data from Firebase I am trying to set the properties of the object obtained to the UI, null, or primitive value: undefined. Solution involves using async/await or . I’m trying to store about 20-30 fields, and while building this Description of the problem: My App aim is to store family spending in Firebase Realtime Database. Ask Question Asked 7 years, 9 the loggedIn state I initially created (which should be either True of False) is "undefined", which is confusing me. Modified 5 years, 3 months ago. Commented Jan 14, 2018 at 18:33. When this parameter is set, When I console. then() to handle Another way to prevent is when initializing Firestore add a settings field to it that will remove all fields that have undefined value. You're passing an undefined value to buscarProfesores(), but you're not showing that part of the code. 7. uid as undefined then after few seconds it render the correct value and till the time it renders the value you have already made a fetch request from I have a simple update Firebase function, which looks like the following: export default async . once(snap=>{const obj=JSON. 6. Firebase functions Cannot read property 'val' of undefined. firestore(); Some of my object fields have undefined values which firestore doesn't accept. However, when calling it on the front end React component, it results in undefined. increment(1) or firebase. I But I was not able to use the function because it is undefined. Getting Firebase doc. onRequest(apiApp) Did you console. – Frank van Puffelen Commented Aug 19, 2020 at 20:57 Then the function starts from firebase, so the value of 'user' is not defined, and it generates null. The method 'getReferenceFromUrl' isn't defined for the type 'FirebaseStorage' 0. aopxcfndqbakbherqfrwuxdurebcdflebvhcnmbvlwhzxhorrx