Package Layers

May 7, 2026 · View on GitHub

These are the logical layers into which our packages are grouped. The dependencies between layers are enforced by the layer-check command.

Common-Definitions

Packages	Layer Dependencies
- @fluidframework/gitresources

Core-Interfaces

Packages	Layer Dependencies
- @fluidframework/core-interfaces

Protocol-Definitions

Packages	Layer Dependencies
- @fluidframework/protocol-definitions

Driver-Definitions

Packages	Layer Dependencies
- @fluidframework/driver-definitions - @fluidframework/odsp-driver-definitions	- Core-Interfaces

Container-Definitions

Packages	Layer Dependencies
- @fluidframework/container-definitions	- Core-Interfaces - Driver-Definitions

Common-Utils

Packages	Layer Dependencies
- @fluidframework/common-utils

Core-Utils

Packages	Layer Dependencies
- @fluidframework/core-utils

Client-Utils

Packages	Layer Dependencies
- @fluid-internal/client-utils	- Core-Interfaces - Core-Utils

Protocol-Utils

Packages	Layer Dependencies
- @fluidframework/protocol-base	- Common-Definitions - Protocol-Definitions - Common-Utils

Telemetry-Utils

Packages	Layer Dependencies
- @fluidframework/telemetry-utils	- Core-Interfaces - Driver-Definitions - Core-Utils - Client-Utils

Driver-Utils

Packages	Layer Dependencies
- @fluidframework/driver-utils	- Core-Interfaces - Driver-Definitions - Core-Utils - Client-Utils - Telemetry-Utils

Other-Utils

Packages	Layer Dependencies
- @fluidframework/odsp-doclib-utils	- Core-Interfaces - Driver-Definitions - Core-Utils - Client-Utils - Telemetry-Utils - Driver-Utils

Tool-Utils

Packages	Layer Dependencies
- @fluidframework/tool-utils	- Driver-Definitions - Core-Utils - Driver-Utils - Other-Utils

Driver

Packages	Layer Dependencies
- @fluidframework/debugger - @fluidframework/driver-base - @fluidframework/driver-web-cache - @fluidframework/file-driver - @fluidframework/odsp-driver - @fluidframework/odsp-urlresolver - @fluidframework/replay-driver	- Core-Interfaces - Driver-Definitions - Core-Utils - Client-Utils - Telemetry-Utils - Driver-Utils - Other-Utils

Loader

Packages	Layer Dependencies
- @fluidframework/container-loader - @fluid-private/test-loader-utils	- Core-Interfaces - Driver-Definitions - Container-Definitions - Core-Utils - Client-Utils - Telemetry-Utils - Driver-Utils

Runtime

Packages	Layer Dependencies
- @fluidframework/type-factory - @fluid-experimental/ot - @fluid-experimental/sharejs-json1 - @fluid-experimental/sequence-deprecated - @fluid-experimental/tree - @fluidframework/cell - @fluidframework/counter - @fluid-experimental/ink - @fluidframework/legacy-dds - @fluidframework/map - @fluidframework/matrix - @fluidframework/merge-tree - @fluidframework/ordered-collection - @fluid-experimental/pact-map - @fluidframework/register-collection - @fluidframework/sequence - @fluidframework/shared-object-base - @fluidframework/shared-summary-block - @fluidframework/task-manager - @fluidframework/tree - @fluidframework/container-runtime - @fluidframework/container-runtime-definitions - @fluidframework/datastore - @fluidframework/datastore-definitions - @fluidframework/id-compressor - @fluidframework/runtime-definitions - @fluidframework/runtime-utils	- Core-Interfaces - Driver-Definitions - Container-Definitions - Core-Utils - Client-Utils - Telemetry-Utils - Driver-Utils

Packages

Layer Dependencies

- @fluidframework/type-factory
- @fluid-experimental/ot
- @fluid-experimental/sharejs-json1
- @fluid-experimental/sequence-deprecated
- @fluid-experimental/tree
- @fluidframework/cell
- @fluidframework/counter
- @fluid-experimental/ink
- @fluidframework/legacy-dds
- @fluidframework/map
- @fluidframework/matrix
- @fluidframework/merge-tree
- @fluidframework/ordered-collection
- @fluid-experimental/pact-map
- @fluidframework/register-collection
- @fluidframework/sequence
- @fluidframework/shared-object-base
- @fluidframework/shared-summary-block
- @fluidframework/task-manager
- @fluidframework/tree
- @fluidframework/container-runtime
- @fluidframework/container-runtime-definitions
- @fluidframework/datastore
- @fluidframework/datastore-definitions
- @fluidframework/id-compressor
- @fluidframework/runtime-definitions
- @fluidframework/runtime-utils

- Core-Interfaces
- Driver-Definitions
- Container-Definitions
- Core-Utils
- Client-Utils
- Telemetry-Utils
- Driver-Utils

Framework

Packages	Layer Dependencies
- @fluid-experimental/data-objects - @fluid-experimental/property-changeset - @fluid-experimental/property-common - @fluid-internal/platform-dependent (private) - @fluid-experimental/property-dds - @fluid-experimental/property-properties - @fluid-experimental/last-edited - @fluidframework/agent-scheduler - @fluidframework/aqueduct - @fluid-experimental/attributor - @fluidframework/app-insights-logger - @fluidframework/fluid-telemetry - @fluid-experimental/data-object-base - @fluid-experimental/dds-interceptions - @fluidframework/fluid-static - @fluid-experimental/oldest-client-observer - @fluidframework/presence - @fluid-internal/presence-definitions - @fluid-internal/presence-runtime - @fluidframework/quill-react - @fluidframework/react - @fluidframework/request-handler - @fluidframework/synthesize - @fluidframework/tree-agent - @fluidframework/tree-agent-langchain - @fluidframework/tree-agent-ses - @fluidframework/undo-redo	- Core-Interfaces - Driver-Definitions - Container-Definitions - Core-Utils - Client-Utils - Telemetry-Utils - Loader - Runtime

Packages

Layer Dependencies

- Core-Interfaces
- Driver-Definitions
- Container-Definitions
- Core-Utils
- Client-Utils
- Telemetry-Utils
- Loader
- Runtime

Build

Packages	Layer Dependencies
- @fluidframework/build-common - @fluidframework/eslint-config-fluid - @fluid-internal/eslint-plugin-fluid - @fluid-tools/benchmark

AzureClient

Packages	Layer Dependencies

UberPackage

Packages	Layer Dependencies
- fluid-framework	- Core-Interfaces - Driver-Definitions - Container-Definitions - Core-Utils - Loader - Runtime - Framework

Azure-Service-Utils

Packages	Layer Dependencies
- @fluidframework/azure-service-utils	- Driver-Definitions

Server-Shared-Utils

Packages	Layer Dependencies
- @fluidframework/server-services-client	- Common-Definitions - Protocol-Definitions - Common-Utils - Protocol-Utils

Server-Libs

Packages	Layer Dependencies
- @fluidframework/server-kafka-orderer - @fluidframework/server-lambdas - @fluidframework/server-lambdas-driver - @fluidframework/server-local-server - @fluidframework/server-memory-orderer - @fluidframework/server-routerlicious-base - @fluidframework/server-services - @fluidframework/server-services-core - @fluidframework/server-services-ordering-kafkanode - @fluidframework/server-services-ordering-rdkafka - @fluidframework/server-services-ordering-zookeeper - @fluidframework/server-services-shared - @fluidframework/server-services-telemetry - @fluidframework/server-services-utils - @fluidframework/server-test-utils	- Common-Definitions - Protocol-Definitions - Common-Utils - Protocol-Utils - Server-Shared-Utils

Packages

Layer Dependencies

- Common-Definitions
- Protocol-Definitions
- Common-Utils
- Protocol-Utils
- Server-Shared-Utils

Server-Tools

Packages	Layer Dependencies
- tinylicious	- Common-Definitions - Protocol-Definitions - Common-Utils - Protocol-Utils - Server-Shared-Utils - Server-Libs

Azure-Service

Packages	Layer Dependencies
- @fluidframework/azure-local-service	- Server-Tools

GitRest

Packages	Layer Dependencies
- @fluidframework/gitrest - @fluidframework/gitrest-base	- Common-Definitions - Protocol-Definitions - Common-Utils - Protocol-Utils - Server-Shared-Utils - Server-Libs

Historian

Packages	Layer Dependencies
- @fluidframework/historian - @fluidframework/historian-base	- Common-Definitions - Protocol-Definitions - Common-Utils - Server-Shared-Utils - Server-Libs

Routerlicious-Driver

Packages	Layer Dependencies
- @fluidframework/routerlicious-driver - @fluidframework/routerlicious-urlresolver - @fluidframework/tinylicious-driver	- Core-Interfaces - Driver-Definitions - Core-Utils - Client-Utils - Telemetry-Utils - Driver-Utils - Driver - Server-Shared-Utils

Test-Utils

Packages	Layer Dependencies
- @fluid-private/stochastic-test-utils - @fluid-private/test-dds-utils - @fluidframework/local-driver - @fluid-private/test-drivers - @fluid-internal/test-driver-definitions - @fluid-private/test-pairwise-generator - @fluidframework/test-runtime-utils	- Core-Interfaces - Driver-Definitions - Container-Definitions - Core-Utils - Client-Utils - Protocol-Utils - Telemetry-Utils - Driver-Utils - Other-Utils - Tool-Utils - Driver - Runtime - Server-Shared-Utils - Server-Libs - Routerlicious-Driver

ServiceClients

Packages	Layer Dependencies
- @fluidframework/azure-client - @fluidframework/odsp-client - @fluidframework/tinylicious-client	- Core-Interfaces - Driver-Definitions - Container-Definitions - Core-Utils - Client-Utils - Telemetry-Utils - Driver-Utils - Other-Utils - Driver - Loader - Runtime - Framework - Routerlicious-Driver

Examples

Packages	Layer Dependencies
- @fluid-example/blobs (private) - @fluid-example/collaborative-textarea (private) - @fluid-example/contact-collection (private) - @fluid-example/data-object-grid (private) - @fluid-example/diceroller (private) - @fluid-example/presence-tracker (private) - @fluid-example/staging (private) - @fluid-example/task-selection (private) - @fluid-example/tree-cli-app (private) - @fluid-example/tree-comparison (private) - @fluid-example/bubblebench-baseline (private) - @fluid-example/bubblebench-common (private) - @fluid-example/bubblebench-experimental-tree (private) - @fluid-example/bubblebench-ot (private) - @fluid-example/bubblebench-shared-tree (private) - @fluid-internal/tablebench (private) - @fluid-example/app-insights-logger (private) - @fluid-example/canvas (private) - @fluid-example/clicker (private) - @fluid-example/codemirror (private) - @fluid-example/inventory-app (private) - @fluid-example/monaco (private) - @fluid-example/multiview-constellation-model (private) - @fluid-example/multiview-constellation-view (private) - @fluid-example/multiview-container (private) - @fluid-example/multiview-coordinate-model (private) - @fluid-example/multiview-coordinate-interface (private) - @fluid-example/multiview-plot-coordinate-view (private) - @fluid-example/multiview-slider-coordinate-view (private) - @fluid-example/multiview-triangle-view (private) - @fluid-example/prosemirror (private) - @fluid-example/smde (private) - @fluid-example/table-document - @fluid-example/table-tree (private) - @fluid-example/text-editor (private) - @fluid-example/todo (private) - @fluid-example/webflow (private) - @fluid-example/app-integration-external-data (private) - @fluid-example/azure-client-todo-list (private) - @fluid-example/shared-tree-demo (private) - @fluid-example/bundle-size-tests (private) - @fluid-example/example-driver (private) - @fluid-example/example-utils (private) - @fluid-example/example-webpack-integration (private) - @fluid-example/import-testing (private) - @fluid-example/migration-tools (private) - @fluid-example/typescript-versions-host (private) - @fluid-example/webpack-fluid-loader (private) - @fluid-example/app-integration-live-schema-upgrade (private) - @fluid-example/version-migration-same-container (private) - @fluid-example/version-migration-separate-container (private) - @fluid-example/tree-shim (private) - @fluid-example/app-integration-container-views (private) - @fluid-example/app-integration-external-views (private) - @fluid-example/view-framework-sampler (private)	- Core-Interfaces - Driver-Definitions - Container-Definitions - Core-Utils - Client-Utils - Telemetry-Utils - Driver-Utils - Other-Utils - Tool-Utils - Driver - Loader - Runtime - Framework - UberPackage - Server-Libs - Routerlicious-Driver - Test-Utils - ServiceClients

Packages

Layer Dependencies

- Core-Interfaces
- Driver-Definitions
- Container-Definitions
- Core-Utils
- Client-Utils
- Telemetry-Utils
- Driver-Utils
- Other-Utils
- Tool-Utils
- Driver
- Loader
- Runtime
- Framework
- UberPackage
- Server-Libs
- Routerlicious-Driver
- Test-Utils
- ServiceClients

Tools

Packages	Layer Dependencies
- @fluid-private/changelog-generator-wrapper (private) - @fluidframework/devtools - @fluid-internal/devtools-browser-extension (private) - @fluidframework/devtools-core - @fluid-private/devtools-test-app (private) - @fluid-internal/devtools-view (private) - @fluid-tools/fetch-tool - @fluidframework/fluid-runner - @fluid-internal/replay-tool (private) - @fluid-tools/markdown-magic (private) - @fluid-tools/build-cli - @fluid-tools/build-infrastructure - @fluidframework/build-tools - @fluid-tools/version-tools - @fluid-tools/api-markdown-documenter - @fluid-internal/getkeys (private) - @fluidframework/test-tools	- Core-Interfaces - Driver-Definitions - Container-Definitions - Core-Utils - Client-Utils - Telemetry-Utils - Other-Utils - Tool-Utils - Driver - Loader - Runtime - Framework - Routerlicious-Driver - Test-Utils - Examples

Packages

Layer Dependencies

- @fluid-private/changelog-generator-wrapper (private)
- @fluidframework/devtools
- @fluid-internal/devtools-browser-extension (private)
- @fluidframework/devtools-core
- @fluid-private/devtools-test-app (private)
- @fluid-internal/devtools-view (private)
- @fluid-tools/fetch-tool
- @fluidframework/fluid-runner
- @fluid-internal/replay-tool (private)
- @fluid-tools/markdown-magic (private)
- @fluid-tools/build-cli
- @fluid-tools/build-infrastructure
- @fluidframework/build-tools
- @fluid-tools/version-tools
- @fluid-tools/api-markdown-documenter
- @fluid-internal/getkeys (private)
- @fluidframework/test-tools

- Core-Interfaces
- Driver-Definitions
- Container-Definitions
- Core-Utils
- Client-Utils
- Telemetry-Utils
- Other-Utils
- Tool-Utils
- Driver
- Loader
- Runtime
- Framework
- Routerlicious-Driver
- Test-Utils
- Examples

Tests

Packages	Layer Dependencies
- @fluidframework/azure-end-to-end-tests - @fluid-experimental/odsp-end-to-end-tests - @fluid-internal/functional-tests (private) - @fluid-internal/local-server-stress-tests (private) - @fluid-internal/local-server-tests (private) - @fluid-internal/mocha-test-setup - @fluid-internal/test-snapshots (private) - @fluid-private/test-end-to-end-tests - @fluid-internal/test-service-load - @fluidframework/test-utils - @fluid-private/test-version-utils - @types/jest-environment-puppeteer (private)	- Core-Interfaces - Driver-Definitions - Container-Definitions - Core-Utils - Client-Utils - Telemetry-Utils - Driver-Utils - Other-Utils - Tool-Utils - Driver - Loader - Runtime - Framework - Build - Server-Libs - Server-Tools - Routerlicious-Driver - Test-Utils - ServiceClients - Tools

Packages

Layer Dependencies

- @fluidframework/azure-end-to-end-tests
- @fluid-experimental/odsp-end-to-end-tests
- @fluid-internal/functional-tests (private)
- @fluid-internal/local-server-stress-tests (private)
- @fluid-internal/local-server-tests (private)
- @fluid-internal/mocha-test-setup
- @fluid-internal/test-snapshots (private)
- @fluid-private/test-end-to-end-tests
- @fluid-internal/test-service-load
- @fluidframework/test-utils
- @fluid-private/test-version-utils
- @types/jest-environment-puppeteer (private)

- Core-Interfaces
- Driver-Definitions
- Container-Definitions
- Core-Utils
- Client-Utils
- Telemetry-Utils
- Driver-Utils
- Other-Utils
- Tool-Utils
- Driver
- Loader
- Runtime
- Framework
- Build
- Server-Libs
- Server-Tools
- Routerlicious-Driver
- Test-Utils
- ServiceClients
- Tools

Azure-Examples

Packages	Layer Dependencies
- @fluid-example/app-integration-external-controller (private)	- Telemetry-Utils - Framework - UberPackage - Routerlicious-Driver - ServiceClients

Routerlicious-Server

Packages	Layer Dependencies
- @fluidframework/server-routerlicious	- Common-Definitions - Protocol-Definitions - Common-Utils - Server-Shared-Utils - Server-Libs