How do I use Firebase Firestore Lite in Cloudflare Workers?

Authenticate using a service account token stored in a KV store, then create a custom auth object with an authorizedRequest method. Pass this to the Database constructor as shown in the README's workers example.

Firebase Firestore Lite or official SDK: which should I choose?

Choose Firebase Firestore Lite if bundle size and performance are critical, especially for Cloudflare Workers. Opt for the official SDK if you need real-time updates, offline support, or full Firebase integration.

How to perform batch writes with Firebase Firestore Lite?

Create a transaction using db.transaction(), add operations like set, update, or delete, then commit. The README provides detailed examples for batch writes and read-write transactions.

Does Firebase Firestore Lite work with Firebase Authentication?

Yes, it integrates with the firebase-auth-lite library for user authentication. Pass the auth instance to the Database constructor to make authenticated requests, as demonstrated in the getting started guide.

Can I use the Firestore emulator with Firebase Firestore Lite?

Yes, configure the Database instance with host set to 'localhost:8080' and ssl to false. This allows local development and testing with the official Firestore emulator.

How to query across all collections with the same name?

Use the db.collectionGroup() method to perform collection group queries. You can optionally specify a parent document to narrow the query scope, as explained in the collection group queries section.

Open-Awesome

Firestore Lite

MITJavaScript

A lightweight alternative to the official Firebase Firestore SDK for the browser, optimized for bundle size and performance.

GitHub

223 stars14 forks0 contributors

What is Firestore Lite?

Firebase Firestore Lite is a lightweight JavaScript library that provides an alternative to the official Firebase Firestore SDK for web applications. It solves the problem of excessive bundle size and slow performance by offering a minimal, browser-optimized implementation of Firestore's core features.

Target Audience

Web developers building browser-based applications who need Firestore database access but are constrained by bundle size or performance, especially those targeting Cloudflare Workers.

Value Proposition

Developers choose Firebase Firestore Lite for its dramatically smaller bundle size, faster performance, and ability to run in environments like Cloudflare Workers where the official SDK fails, all while maintaining a familiar API.

Overview

A lightweight cloud firestore library for the browser

Use Cases

Best For

Reducing JavaScript bundle size in Firebase-powered web apps
Using Firestore in Cloudflare Workers environments
Building lightweight progressive web apps (PWAs) with Firestore
Projects where real-time updates are not required
Educational projects or prototypes needing simple Firestore access
Applications prioritizing fast initial load times over offline support

Not Ideal For

Applications requiring real-time data synchronization, such as chat apps or live dashboards
Projects that depend on built-in offline persistence for unreliable network conditions
Teams using other Firebase services like Cloud Functions that rely on tight integration with the official SDK
Developers targeting Internet Explorer without a modern build pipeline for transpilation and polyfilling

Pros & Cons

Pros

Extremely Small Bundle

At 27 times smaller than the official SDK, it drastically reduces bundle size and improves load times, as benchmarked in the project's wiki.

Cloudflare Workers Support

Uniquely works in Cloudflare Workers where the official SDK fails due to Node.js dependencies, enabling Firestore access in edge computing environments.

Familiar API

Maintains a similar API to the official Firestore SDK, easing adoption and reducing the learning curve for existing Firebase users.

Efficient Batch Operations

Supports batch reads, writes, and transactions, allowing for atomic data manipulations that optimize performance and consistency.

Cons

No Real-time Updates

Lacks support for real-time listeners, a core feature of Firestore, and the README admits this is not yet implemented with no clear timeline.

Missing Offline Support

Does not provide out-of-the-box offline persistence, requiring additional development effort for applications that need to function without an internet connection.

Limited Browser Compatibility

Requires manual transpilation and polyfilling for older browsers, adding complexity to the build process compared to the official SDK which handles this automatically.

Open Source Alternative To

Firestore Lite is an open-source alternative to the following products:

Firebase Firestore SDK

Firebase Firestore SDK is a set of client libraries for accessing Firestore, Firebase's flexible, scalable NoSQL cloud database for mobile and web apps.

Frequently Asked Questions

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