firebase Articles

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firebase

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I’m not understanding the function of .put and .on method

storageRef.put(file).on( "state_changed", (snap) => { let percentage = (snap.bytesTransferred / snap.totalBytes) * 100; setProgress(percentage); }, … Read more I’m not understanding the function of .put and .on method

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Angular build throws "Optimization error" after upgrading to Angular 12

We recently upgraded to Angular 12 and now get this error: Error: Optimization error [vendor-es2015.a2045e51a8769565ebf3.js]: … Read more Angular build throws "Optimization error" after upgrading to Angular 12

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Unit testing for a React Native and Firebase app

I have an android app developed on React Native which uses the Cloud Firestore and … Read more Unit testing for a React Native and Firebase app

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httpsCallable is not defined when using Firebase Cloud Functions

For the past week I’ve been trying to setup Firebase Cloud Functions, but have been … Read more httpsCallable is not defined when using Firebase Cloud Functions

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How to return the objects in a list in React so that it renders?

When I run this, I get the error Line 32:20: ‘popularMovies’ is not defined no-undef, … Read more How to return the objects in a list in React so that it renders?

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Firebase Changing Data in Folders

I’m organizing some folders in Firebase Database and I’d like to change the directories of … Read more Firebase Changing Data in Folders

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Firebase v9 onAuthStateChanged only fires on initialization

I am in the process of migrating my React app to firebase v9. Currently I … Read more Firebase v9 onAuthStateChanged only fires on initialization

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Firebase Hosted app not fetching API Data

I’ve created a React app which uses Data by fetching from an API. I hosted … Read more Firebase Hosted app not fetching API Data

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How I created and deployed another full stack app in just 3 days

Hello Folks 👋🏻 This is Tarun here. I’m a young dev with big dreams and … Read more How I created and deployed another full stack app in just 3 days

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s.indexOf is not a function at Function.n.fromString

I have no idea why I’m getting this error or from where is coming from … Read more s.indexOf is not a function at Function.n.fromString

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OrderByChild not working for firebase and react js app

I am trying to order track ID from firebase by their timestamp (createdAt) but it … Read more OrderByChild not working for firebase and react js app

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How we created a web-based typing experiment

We had little time, an experience to build and now to spread. 🎯 The goal … Read more How we created a web-based typing experiment