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typesense/firestore-typesense-search: Firebase Extension to automatically push Firestore documents to Typesense for full-text search with typo tolerance, faceting, and more

A Firebase extension to sync data from your Firestore collection to Typesense, to be able to do full-text fuzzy search on your Firestore data, with typo tolerance, faceting, filtering, sorting, curation, synonyms, geosearch and more.

This extension listens to your specified Firestore collection and syncs Firestore documents to Typesense on creation, updates and deletes. It also provides a function to help you backfill data.

What is Typesense?

If you're new to Typesense, it is an open source search engine that is simple to use, run and scale, with clean APIs and documentation. Think of it as an open source alternative to Algolia and an easier-to-use, batteries-included alternative to ElasticSearch. Get a quick overview from this guide.

Before installing this extension, make sure that you have:

1. Set up a Cloud Firestore database in your Firebase project.

   If using Google Workspace for Business, ensure that your default cloud compute based service account has the following roles (which can be found in the Google Cloud Console IAM section):

   • Artifact Registry Administrator
   • Artifact Registry Create-on-Push Writer
   • Artifact Registry Service Agent
   • Logs Writer
   • Storage Object Viewer

2. Set up a Typesense cluster on Typesense Cloud or Self-Hosted (free).

3. Set up a Typesense Collection either through the Typesense Cloud dashboard or through the API.

Important

☝️ #3 above is a commonly missed step. This extension does not create the Typesense Collection for you. Instead it syncs data to a Typesense collection you've already created. If you see an HTTP 404 in the extension logs, it's most likely because of missing this step.

You can install this extension either through the Firebase Web console or through the Firebase CLI.

firebase ext:install typesense/firestore-typesense-search --project=[your-project-id]

Learn more about installing extensions in the Firebase Extensions documentation: Console, CLI.

Tip

You can install this extension multiple times in your Firebase project by clicking on the installation link above multiple times, and use a different Firestore collection path in each installation instance. Here is a screenshot of how this looks.

When you install this extension, you'll be able to configure the following parameters:

⚠️ You'll notice that there is no way to configure the port number or protocol. This is because this extension only supports connecting to Typesense running HTTPS on Port 443, since your data goes from Firebase to Typesense over the public internet and we want your data to be encrypted in transit. For Typesense Cloud, HTTPS is already configured for you.

When self-hosting Typesense, you want to make sure you set --api-port=443 and also get an SSL certificate from say LetsEncrypt or any registrar and configure Typesense to use it using the --ssl-certificate and --ssl-certificate-key server parameters. Alternatively, if you're running Typesense on your local machine, you can also set up a local HTTPS tunnel using something like ngrok (ngrok http 8108) and use the ngrok hostname in the extension.

If you have a Firestore database called (default) with a collection inside it called users in the nam5 region like this:

Here's the extension configuration screen with all the options filled out, if you want to sync the users Firestore collection to Typesense:

This extension only syncs data that was created or changed in Firestore, after it was installed. In order to backfill data that already exists in your Firestore collection to your Typesense Collection:

• Create a new Firestore collection called typesense_sync through the Firestore UI.
• Create a new document with the ID backfill and contents of {trigger: true}
• [Optional] If you have multiple instances of the extension installed to sync multiple collections, you can specify which particular collections are backfilled by setting the contents of the backfill document in the previous step to {trigger: true, firestore_collections: ["path/to/firestore_collection_1", "path/to/firestore_collection_2"] }

This will trigger the backfill background Cloud function, which will read data from your Firestore collection(s) and create equivalent documents in your Typesense collection.

• indexOnWrite: A function that indexes data into Typesense when it's triggered by Firestore changes.

• backfill: A function that backfills data from a Firestore collection into Typesense, triggered when a Firestore document with the path typesense_sync/backfill has the contents of trigger: true.

This extension will operate with the following project IAM roles:

• datastore.user (Reason: Required to backfill data from your Firestore collection into Typesense)

To install an extension, your project must be on the Blaze (pay as you go) plan.

• You will be charged a small amount (typically around $0.01/month) for the Firebase resources required by this extension (even if it is not used).
• This extension uses other Firebase and Google Cloud Platform services, which have associated charges if you exceed the service’s free tier:
  • Cloud Firestore
  • Cloud Functions (Node.js 14+ runtime. See FAQs)
• Usage of this extension also requires you to have a running Typesense cluster either on Typesense Cloud or some self-hosted server. You are responsible for any associated costs with these services.

npm run emulator
npm run typesenseServer

• Emulator UI will be accessible at http://localhost:4000.
• Local Typesense server will be accessible at http://localhost:8108

Add records in the Firestore UI and they should be created in Typesense.

The Firebase CLI provides the following convenience command to auto-generate a README file containing content pulled from extension.yaml file and PREINSTALL.md file:

firebase ext:info ./ --markdown > README.md

• Update version number in extension.yaml
• Add entry to CHANGELOG.md
• Create release in GitHub

• firebase ext:dev:upload typesense/firestore-typesense-search

Please read through the FAQ below, search through past GitHub issues, past threads in our knowledge base and if you're unable to find an answer, please open a GitHub issue in this repo or join our Slack community and ask there.

• My Typesense collection is empty, even after installing the extension. What could be wrong?

  The extension only syncs changes from your Firestore collection from the time when it is installed. To backfill existing data from your Firestore collection into Typesense, you want to run the backfill step described here.

• My Typesense collection is missing some records. What could be wrong?

  This almost always is because the collection schema in Typesense does not match the structure of the documents in Firebase, and so Typesense is rejecting the documents due to validation failure. All validation errors returned by Typesense are logged in detail in the Firebase extension logs, which are accessible via the Firebase web console. You want to search the logs for both the backfill function and also the indexing function from this extension.

• The backfill function is not getting triggered. What could be wrong?

  The backfill function watches for changes to a document with ID called backfill, in a Firestore collection called typesense_sync. This document should have a key called trigger with a boolean value of true. So if you've already created this key, you want to change its value to false and then change it back to true to re-trigger the backfill function.

• How do I sync multiple collections?

  You can install this extension multiple times and set a different Firestore collection path for each instance. Read more here

• How do I backfill just a single collection, when I've installed the extension multiple times?

  See the last bullet point under the backfilling instructions here

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