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Andrew Heard 54e836b780 feat(spm): add trait to opt out of Firestore (#16684 )

Add support for Swift Package Traits (SE-0450) in Package.swift by
introducing a default-enabled "Firestore" trait.

Previously, depending on the firebase-ios-sdk Swift package resolved
and downloaded Cloud Firestore and its heavy underlying dependencies
(gRPC, Abseil, and prebuilt binary artifacts), even if an application
only used lightweight Firebase products (such as Auth, Crashlytics, or
Remote Config).

With package traits, developers can now opt out of Cloud Firestore in
their Package.swift (via `traits: []`) or through Xcode 26.4+'s Package
Dependencies UI, pruning heavy dependencies and speeding up package
resolution while preserving full backwards compatibility:

- Define the "Firestore" trait in Package.swift, enabled by default in
  `packageTraits`.
- Gate source and binary Firestore target dependencies (abseil, gRPC,
  FirebaseFirestoreInternalWrapper, FirebaseFirestoreCombineSwift) on
  `.when(traits: ["Firestore"])`.
- Add `FIRESTORE_TRAIT_ENABLED` C preprocessor macro via target cSettings
  on `FirebaseFirestoreTarget` and `objc-import-test` to enable
  conditional compilation for Clang targets when the trait is active.
- Provide a clear compile-time `#error` diagnostic in `dummy.m` if an app
  target links Firestore without enabling the trait.
- Gate conditional imports in integration test targets (`swift-test` and
  `objc-import-test`) so test suites pass both with default traits and
  with `--disable-default-traits`.
- Opt out of default traits in `FirebaseAITestApp` (in project.pbxproj),
  validating Xcode trait opt-out and avoiding Firestore dependencies for
  AI Logic integration tests.
- Add release notes and Xcode opt-out instructions to changelogs in
  `FirebaseCore/CHANGELOG.md` and `Firestore/CHANGELOG.md`.

2026-09-23 22:50:48 -04:00

Sample

[Firebase AI] More naming updates (#14779 )

2025-04-28 09:22:03 -07:00

Sources

feat(ai): GA prompt templates API with chat/func calling (#16676 )

2026-09-23 17:47:48 -04:00

Tests

feat(spm): add trait to opt out of Firestore (#16684 )

2026-09-23 22:50:48 -04:00

AGENTS.md

feat(ai): GA prompt templates API with chat/func calling (#16676 )

2026-09-23 17:47:48 -04:00

CHANGELOG.md

feat(ai): GA prompt templates API with chat/func calling (#16676 )

2026-09-23 17:47:48 -04:00

README.md

[Firebase AI] Cleanup Vertex AI in Firebase references (#15033 )

2025-06-24 12:21:19 -04:00

README.md

Firebase AI SDK

For developer documentation, please visit https://firebase.google.com/docs/ai-logic.
Try out the sample app to get started.

Development

After following the Swift Package Manager setup instructions, choose the FirebaseAI scheme to build the SDK.

Unit Tests

Important

These unit tests require mock response files, which can be downloaded by running scripts/update_vertexai_responses.sh from the root of this repository.

Choose the FirebaseAIUnit scheme to build and run the unit tests.

Updating Mock Responses

To update the mock responses, create a PR in the vertexai-sdk-test-data repo. After it is merged, re-run the update_vertexai_responses.sh script to download the updated files.