This package lets you run a real firebase-admin Firestore instance entirely in-process against an in‑memory database with high-fidelity production Firestore semantics (CRUD, batches, transactions, queries, aggregations, vector values, listeners, etc). No emulator is required, just install as a dev-dependency and drop into your unit tests. Zero boot time. Zero deploy loop. Zero external processes. Just edit, save, and test.
<https://www.npmjs.com/package/@firebase-bridge/firestore-admin>
The companion package allows you to register all Firestore triggers your production app exports, and drive them by performing writes against the mock database.
<https://www.npmjs.com/package/@firebase-bridge/firestore-functions>

This package lets you run a real firebase-admin Firestore instance entirely in-process against an in‑memory database with high-fidelity production Firestore semantics (CRUD, batches, transactions, queries, aggregations, vector values, listeners, etc): https://www.npmjs.com/package/@firebase-bridge/firestore-admin The companion package allows you to register all Firestore triggers your production app exports, and drive them by performing writes against the mock database: https://www.npmjs.com/package/@firebase-bridge/firestore-functions