@fluidframework/container-definitions - npm Package Compare versions

Comparing version 2.101.1 to 2.102.0

api-report/container-definitions.legacy.beta.api.md

@@ -166,2 +166,3 @@ ## Beta API Report File for "@fluidframework/container-definitions"
     getLoadedCodeDetails(): IFluidCodeDetails | undefined;
+    getPendingLocalState?(): Promise<string>;
     getQuorum(): IQuorumClients;
@@ -168,0 +169,0 @@ getSpecifiedCodeDetails(): IFluidCodeDetails | undefined;

CHANGELOG.md

 # @fluidframework/container-definitions
 
+## 2.102.0
+
+### Minor Changes
+
+- Add optional `getPendingLocalState` to `IContainer` ([#27269](https://github.com/microsoft/FluidFramework/pull/27269)) [1f12b8e36e](https://github.com/microsoft/FluidFramework/commit/1f12b8e36ec8e4a743a65905de8d5ccf5e9337a0)
+
+  `IContainer` now exposes `getPendingLocalState?(): Promise<string>`. The serialized blob can be passed back as `pendingLocalState` to `loadExistingContainer` (or `ILoader.resolve`) to rehydrate an attached container at the same position without data loss.
+
+  The member is optional during this minor release so external implementers of `IContainer` (test mocks, wrapper containers, partner runtimes) remain forward-compatible. A future breaking release will make it required.
+
+  The `ContainerAlpha` interface and `asLegacyAlpha` helper in `@fluidframework/container-loader` continue to expose this functionality at `@legacy @alpha` for callers that prefer the typed-required shape.
+
+  Lifecycle: misuse of this API can result in duplicate op submission and potential document corruption. The blob returned MUST be discarded if and when the container emits a `"connected"` event — any subsequent rehydrate from that blob would submit the same ops a second time. The container must also be neither closed nor disposed when calling; otherwise the call throws `UsageError`.
+
+  Runtime behavior is unchanged.
+
 ## 2.101.0
@@ -4,0 +20,0 @@

dist/loader.d.ts

@@ -390,2 +390,27 @@ /*!
     /**
+     * Serialize the current state of an attached container so it can be rehydrated later
+     * to the same position without data loss. The returned blob can be passed back as
+     * `pendingLocalState` to {@link ILoader.resolve} (or `loadExistingContainer` from
+     * `@fluidframework/container-loader`).
+     *
+     * @remarks
+     * `IContainer` has three attach states (detached, attaching, attached); `getPendingLocalState`
+     * is the attached-state capture API. For detached or attaching containers, use
+     * {@link IContainer.serialize}.
+     *
+     * The container's {@link IContainer.closed} property must be false and the container must not
+     * be {@link IContainer.disposed}; otherwise the implementation throws `UsageError`.
+     *
+     * WARNING: misuse of this API can result in duplicate op submission and potential
+     * document corruption. To prevent container forking, callers must:
+     *
+     * - Regenerate the serialization on every reconnect and replace any previously stored copy.
+     * - Wait until the original container has been closed before rehydrating from its serialized state.
+     * - Never rehydrate more than one container from the same serialization.
+     *
+     * Optional during this minor release to preserve forward-compatibility for external
+     * implementers of `IContainer`. A future breaking release will make this member required.
+     */
+    getPendingLocalState?(): Promise<string>;
+    /**
      * Get an absolute URL for a provided container-relative request URL.
@@ -478,2 +503,12 @@ * If the container is not attached, this will return undefined.
      * a request against the server found from the resolve step.
+     *
+     * When `pendingLocalState` is provided, the resolved container is rehydrated from a blob
+     * previously produced by {@link IContainer.getPendingLocalState}.
+     *
+     * WARNING: misuse of `pendingLocalState` can result in duplicate op submission and potential
+     * document corruption. To prevent container forking, callers must:
+     *
+     * - Pass the most recent blob produced for that container and discard any older serializations.
+     * - Ensure the original container has been closed before rehydrating from its serialized state.
+     * - Never rehydrate more than one container from the same blob.
      */
@@ -480,0 +515,0 @@ resolve(request: IRequest, pendingLocalState?: string): Promise<IContainer>;

dist/loader.d.ts.map

@@ -1,1 +0,1 @@
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dist/loader.js.map

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All rights reserved.\n * Licensed under the MIT License.\n */\n\nimport type {\n\tFluidObject,\n\tIEvent,\n\tIEventProvider,\n\tIRequest,\n} from \"@fluidframework/core-interfaces\";\nimport type {\n\tIClient,\n\tIClientDetails,\n\tIQuorumClients,\n} from \"@fluidframework/driver-definitions\";\nimport type {\n\tIResolvedUrl,\n\tIDocumentMessage,\n\tISequencedProposal,\n\tISnapshotTree,\n\tISequencedDocumentMessage,\n} from \"@fluidframework/driver-definitions/internal\";\n\nimport type { IAudience } from \"./audience.js\";\nimport type { IDeltaManager, ReadOnlyInfo } from \"./deltas.js\";\nimport type { ContainerWarning, ICriticalContainerError } from \"./error.js\";\nimport type { IFluidModule } from \"./fluidModule.js\";\nimport type {\n\tIFluidCodeDetails,\n\tIFluidPackage,\n\tIProvideFluidCodeDetailsComparer,\n} from \"./fluidPackage.js\";\nimport type { AttachState } from \"./runtime.js\";\n\n/**\n * Encapsulates a module entry point with corresponding code details.\n * @legacy @beta\n */\nexport interface IFluidModuleWithDetails {\n\t/**\n\t * Fluid code module that implements the runtime factory needed to instantiate the container runtime.\n\t */\n\tmodule: IFluidModule;\n\n\t/**\n\t * Code details associated with the module. Represents a document schema this module supports.\n\t * If the code loader implements the {@link @fluidframework/core-interfaces#(IFluidCodeDetailsComparer:interface)}\n\t * interface, it'll be called to determine whether the module code details satisfy the new code proposal in the\n\t * quorum.\n\t */\n\tdetails: IFluidCodeDetails;\n}\n\n/**\n * Fluid code loader resolves a code module matching the document schema, i.e. code details, such as\n * a package name and package version range.\n * @legacy @beta\n */\nexport interface ICodeDetailsLoader extends Partial<IProvideFluidCodeDetailsComparer> {\n\t/**\n\t * Load the code module (package) that can interact with the document.\n\t *\n\t * @param source - Code proposal that articulates the current schema the document is written in.\n\t * @returns Code module entry point along with the code details associated with it.\n\t */\n\tload(source: IFluidCodeDetails): Promise<IFluidModuleWithDetails>;\n}\n\n/**\n * The interface returned from a IFluidCodeResolver which represents IFluidCodeDetails\n * that have been resolved and are ready to load\n * @internal\n */\nexport interface IResolvedFluidCodeDetails extends IFluidCodeDetails {\n\t/**\n\t * A resolved version of the Fluid package. All Fluid browser file entries should be absolute urls.\n\t */\n\treadonly resolvedPackage: Readonly<IFluidPackage>;\n\t/**\n\t * If not undefined, this id will be used to cache the entry point for the code package\n\t */\n\treadonly resolvedPackageCacheId: string | undefined;\n}\n\n/**\n * Fluid code resolvers take a Fluid code details, and resolve the\n * full Fluid package including absolute urls for the browser file entries.\n * The Fluid code resolver is coupled to a specific cdn and knows how to resolve\n * the code detail for loading from that cdn. This include resolving to the most recent\n * version of package that supports the provided code details.\n * @internal\n */\nexport interface IFluidCodeResolver {\n\t/**\n\t * Resolves a Fluid code details into a form that can be loaded.\n\t * @param details - The Fluid code details to resolve.\n\t * @returns A IResolvedFluidCodeDetails where the resolvedPackage's Fluid file entries are absolute urls, and\n\t * an optional resolvedPackageCacheId if the loaded package should be cached.\n\t */\n\tresolveCodeDetails(details: IFluidCodeDetails): Promise<IResolvedFluidCodeDetails>;\n}\n\n/**\n * Events emitted by the {@link IContainer} \"upwards\" to the Loader and Host.\n * @legacy @beta\n */\nexport interface IContainerEvents extends IEvent {\n\t/**\n\t * Emitted when the readonly state of the container changes.\n\t *\n\t * @remarks Listener parameters:\n\t *\n\t * - `readonly`: Whether or not the container is now in a readonly state.\n\t *\n\t * @see {@link IContainer.readOnlyInfo}\n\t */\n\t(event: \"readonly\", listener: (readonly: boolean) => void): void;\n\n\t/**\n\t * Emitted when the {@link IContainer} completes connecting to the Fluid service.\n\t *\n\t * @remarks Reflects connection state changes against the (delta) service acknowledging ops/edits.\n\t *\n\t * @see\n\t *\n\t * - {@link IContainer.connectionState}\n\t *\n\t * - {@link IContainer.connect}\n\t */\n\t(event: \"connected\", listener: (clientId: string) => void);\n\n\t/**\n\t * Fires when new container code details have been proposed, prior to acceptance.\n\t *\n\t * @remarks Listener parameters:\n\t *\n\t * - `codeDetails`: The code details being proposed.\n\t *\n\t * - `proposal`: NOT RECOMMENDED FOR USE.\n\t *\n\t * @see {@link IContainer.proposeCodeDetails}\n\t */\n\t(\n\t\tevent: \"codeDetailsProposed\",\n\t\tlistener: (codeDetails: IFluidCodeDetails, proposal: ISequencedProposal) => void,\n\t);\n\n\t/**\n\t * Emitted when the {@link IContainer} becomes disconnected from the Fluid service.\n\t *\n\t * @remarks Reflects connection state changes against the (delta) service acknowledging ops/edits.\n\t *\n\t * @see\n\t *\n\t * - {@link IContainer.connectionState}\n\t *\n\t * - {@link IContainer.disconnect}\n\t */\n\t(event: \"disconnected\", listener: () => void);\n\n\t/**\n\t * Emitted when a {@link AttachState.Detached | detached} container begins the process of\n\t * {@link AttachState.Attaching | attached} to the Fluid service.\n\t *\n\t * @see\n\t *\n\t * - {@link IContainer.attachState}\n\t *\n\t * - {@link IContainer.attach}\n\t */\n\t(event: \"attaching\", listener: () => void);\n\n\t/**\n\t * Emitted when the {@link AttachState.Attaching | attaching} process is complete and the container is\n\t * {@link AttachState.Attached | attached} to the Fluid service.\n\t *\n\t * @see\n\t *\n\t * - {@link IContainer.attachState}\n\t *\n\t * - {@link IContainer.attach}\n\t */\n\t(event: \"attached\", listener: () => void);\n\n\t/**\n\t * Emitted when the {@link IContainer} is closed, which permanently disables it.\n\t *\n\t * @remarks Listener parameters:\n\t *\n\t * - `error`: If the container was closed due to error, this will contain details about the error that caused it.\n\t *\n\t * @see {@link IContainer.close}\n\t */\n\t(event: \"closed\", listener: (error?: ICriticalContainerError) => void);\n\n\t/**\n\t * Emitted when the {@link IContainer} is disposed, which permanently disables it.\n\t *\n\t * @remarks Listener parameters:\n\t *\n\t * - `error`: If the container was disposed due to error, this will contain details about the error that caused it.\n\t *\n\t * @see {@link IContainer.dispose}\n\t */\n\t(event: \"disposed\", listener: (error?: ICriticalContainerError) => void);\n\n\t/**\n\t * Emitted when the container encounters a state which may lead to errors, which may be actionable by the consumer.\n\t *\n\t * @remarks\n\t *\n\t * Note: this event is not intended for general use.\n\t * The longer-term intention is to surface warnings more directly on the APIs that produce them.\n\t * For now, use of this should be avoided when possible.\n\t *\n\t * Listener parameters:\n\t *\n\t * - `error`: The warning describing the encountered state.\n\t */\n\t(event: \"warning\", listener: (error: ContainerWarning) => void);\n\n\t/**\n\t * Emitted immediately after processing an incoming operation (op).\n\t *\n\t * @remarks\n\t *\n\t * Note: this event is not intended for general use.\n\t * Prefer to listen to events on the appropriate ultimate recipients of the ops, rather than listening to the\n\t * ops directly on the {@link IContainer}.\n\t *\n\t * Listener parameters:\n\t *\n\t * - `message`: The op that was processed.\n\t */\n\t(event: \"op\", listener: (message: ISequencedDocumentMessage) => void);\n\n\t/**\n\t * Emitted upon the first local change while the Container is in the \"saved\" state.\n\t * That is, when {@link IContainer.isDirty} transitions from `true` to `false`.\n\t *\n\t * @remarks Listener parameters:\n\t *\n\t * - `dirty`: DEPRECATED. This parameter will be removed in a future release.\n\t *\n\t * @see {@link IContainer.isDirty}\n\t */\n\t(event: \"dirty\", listener: (dirty: boolean) => void);\n\n\t/**\n\t * Emitted when all local changes/edits have been acknowledged by the service.\n\t * I.e., when {@link IContainer.isDirty} transitions from `false` to `true`.\n\t *\n\t * @remarks Listener parameters:\n\t *\n\t * - `dirty`: DEPRECATED. This parameter will be removed in a future release.\n\t *\n\t * @see {@link IContainer.isDirty}\n\t */\n\t(event: \"saved\", listener: (dirty: boolean) => void);\n\n\t/**\n\t * Emitted when the some of the properties related to the container are initialized or updated.\n\t * This emitted metadata will the props which are updated. If consumer wants to read full set of\n\t * metadata then they can read it off the container from {@link IContainer.containerMetadata} prop.\n\t */\n\t(event: \"metadataUpdate\", listener: (metadata: Record<string, string>) => void);\n}\n\n/**\n * Namespace for the different connection states a container can be in.\n * PLEASE NOTE: The sequence of the numerical values does no correspond to the typical connection state progression.\n * @public\n */\n// eslint-disable-next-line @typescript-eslint/no-namespace\nexport namespace ConnectionState {\n\t/**\n\t * The container is not connected to the delta server.\n\t * Note - When in this state the container may be about to reconnect,\n\t * or may remain disconnected until explicitly told to connect.\n\t * @public\n\t */\n\texport const Disconnected = 0;\n\t/**\n\t * {@inheritdoc @fluidframework/container-definitions#(ConnectionState:namespace).(Disconnected:variable)}\n\t */\n\texport type Disconnected = typeof Disconnected;\n\n\t/**\n\t * The container is disconnected but actively trying to establish a new connection.\n\t * PLEASE NOTE that this numerical value falls out of the order you may expect for this state.\n\t * @public\n\t */\n\texport const EstablishingConnection = 3;\n\t/**\n\t * {@inheritdoc @fluidframework/container-definitions#(ConnectionState:namespace).(EstablishingConnection:variable)}\n\t */\n\texport type EstablishingConnection = typeof EstablishingConnection;\n\n\t/**\n\t * The container has an inbound connection only, and is catching up to the latest known state from the service.\n\t * @public\n\t */\n\texport const CatchingUp = 1;\n\t/**\n\t * {@inheritdoc @fluidframework/container-definitions#(ConnectionState:namespace).(CatchingUp:variable)}\n\t */\n\texport type CatchingUp = typeof CatchingUp;\n\n\t/**\n\t * The container is fully connected and syncing.\n\t * @public\n\t */\n\texport const Connected = 2;\n\t/**\n\t * {@inheritdoc @fluidframework/container-definitions#(ConnectionState:namespace).(Connected:variable)}\n\t */\n\texport type Connected = typeof Connected;\n}\n\n/**\n * Type defining the different states of connectivity a Container can be in.\n * @public\n */\nexport type ConnectionState =\n\t| ConnectionState.Disconnected\n\t| ConnectionState.EstablishingConnection\n\t| ConnectionState.CatchingUp\n\t| ConnectionState.Connected;\n\n/**\n * The Host's view of a Container and its connection to storage\n * @legacy @beta\n */\nexport interface IContainer extends IEventProvider<IContainerEvents> {\n\t/**\n\t * The Delta Manager supporting the op stream for this Container\n\t */\n\tdeltaManager: IDeltaManager<ISequencedDocumentMessage, IDocumentMessage>;\n\n\t/**\n\t * The collection of write clients which were connected as of the current sequence number.\n\t * Also contains a map of key-value pairs that must be agreed upon by all clients before being accepted.\n\t */\n\tgetQuorum(): IQuorumClients;\n\n\t/**\n\t * Represents the resolved url to the Container.\n\t * Will be undefined only when the container is in the {@link AttachState.Detached | detached} state.\n\t */\n\tresolvedUrl: IResolvedUrl | undefined;\n\n\t/**\n\t * Indicates the attachment state of the container to a host service.\n\t */\n\treadonly attachState: AttachState;\n\n\t/**\n\t * Get the code details that are currently specified for the container.\n\t * @returns The current code details if any are specified, undefined if none are specified.\n\t */\n\tgetSpecifiedCodeDetails(): IFluidCodeDetails | undefined;\n\n\t/**\n\t * Get the code details that were used to load the container.\n\t * @returns The code details that were used to load the container if it is loaded, undefined if it is not yet\n\t * loaded.\n\t */\n\tgetLoadedCodeDetails(): IFluidCodeDetails | undefined;\n\n\t/**\n\t * Returns true if the container has been closed and/or disposed, otherwise false.\n\t */\n\treadonly closed: boolean;\n\n\t/**\n\t * Returns true if the container has been disposed, otherwise false.\n\t */\n\treadonly disposed?: boolean;\n\n\t/**\n\t * Whether or not there are any local changes that have not been saved.\n\t */\n\treadonly isDirty: boolean;\n\n\t/**\n\t * Disposes the container. If not already closed, this acts as a closure and then disposes runtime resources.\n\t * The container is not expected to be used anymore once it is disposed.\n\t *\n\t * @param error - If the container is being disposed due to error, this provides details about the error that\n\t * resulted in disposing it.\n\t */\n\tdispose(error?: ICriticalContainerError): void;\n\n\t/**\n\t * Closes the container.\n\t *\n\t * @param error - If the container is being closed due to error, this provides details about the error that\n\t * resulted in closing it.\n\t */\n\tclose(error?: ICriticalContainerError): void;\n\n\t/**\n\t * Propose new code details that define the code to be loaded for this container's runtime.\n\t *\n\t * The returned promise will be true when the proposal is accepted, and false if the proposal is rejected.\n\t */\n\tproposeCodeDetails(codeDetails: IFluidCodeDetails): Promise<boolean>;\n\n\t/**\n\t * When a container is created in Fluid it starts in detached state,\n\t * which means it is not yet uploaded to server storage and unavailable for other users to open or collaborate with.\n\t * A detached container can be serialized, stored, and rehydrated by the application.\n\t *\n\t * To finish the creation of a container and make it available for other users to open and collaborate with it must be attached,\n\t * which means it is uploaded to server storage. This function accomplishes that.\n\t *\n\t * Use the functionality provided by the driver to craft the IRequest parameter.\n\t * This is usually a free function called createCreateNewRequest, which takes\n\t * strongly typed arguments related to your driver and server.\n\t *\n\t * By default, the container will close if attach fails.\n\t * However, closure can now be avoided in most cased by setting:\n\t * Fluid.Container.DisableCloseOnAttachFailure to true\n\t * via the config provider passed to the loader.\n\t *\n\t * If attach fails, check the closed property to discover if retry is possible.\n\t * If the container is not closed, it is safe to continue editing the container, calling serialize to capture the container's state,\n\t * or try calling attach again.\n\t *\n\t */\n\tattach(\n\t\trequest: IRequest,\n\t\tattachProps?: {\n\t\t\tdeltaConnection?: \"none\" | \"delayed\";\n\t\t},\n\t): Promise<void>;\n\n\t/**\n\t * Capture the state of a container that is not attached or closed.\n\t * This is useful in draft-like scenarios. For example, think of an email draft, where a user can make changes over time,\n\t * but no other users can see or have access to that draft.\n\t *\n\t * This method can only be called when\n\t * the container's closed property is false, and the attachState is not AttachState.Attached.\n\t *\n\t * This method will return a string that includes the full serialized state of the\n\t * container. This string must not be inspected or modified, as the format of the content is not guaranteed.\n\t * @remarks\n\t * Fluid supports rehydrating from strings generated by previous versions, but does not support the content itself being leveraged.\n\t *\n\t * Consider storing this string somewhere durable (e.g. localStorage or IndexedDB) to enable your application to recover it after tab close.\n\t *\n\t * To reload a container from a string your application previously stored, use the Loader method rehydrateDetachedContainerFromSnapshot.\n\t * That method will create a new detached container which matches the state of the previously serialized container.\n\t */\n\tserialize(): string;\n\n\t/**\n\t * Get an absolute URL for a provided container-relative request URL.\n\t * If the container is not attached, this will return undefined.\n\t *\n\t * @param relativeUrl - A container-relative request URL.\n\t */\n\tgetAbsoluteUrl(relativeUrl: string): Promise<string | undefined>;\n\n\t/**\n\t * Provides the current state of the container's connection to the ordering service.\n\t *\n\t * @remarks Consumers can listen for state changes via the \"connected\" and \"disconnected\" events.\n\t */\n\treadonly connectionState: ConnectionState;\n\n\t/**\n\t * Attempts to connect the container to the delta stream and process ops.\n\t *\n\t * @remarks\n\t *\n\t * {@link IContainer.connectionState} will be set to {@link (ConnectionState:namespace).(Connected:variable)}, and the\n\t * \"connected\" event will be fired if/when connection succeeds.\n\t */\n\tconnect(): void;\n\n\t/**\n\t * Disconnects the container from the delta stream and stops processing ops.\n\t *\n\t * @remarks\n\t *\n\t * {@link IContainer.connectionState} will be set to {@link (ConnectionState:namespace).(Disconnected:variable)}, and the\n\t * \"disconnected\" event will be fired when disconnection completes.\n\t */\n\tdisconnect(): void;\n\n\t/**\n\t * The audience information for all clients currently associated with the document in the current session.\n\t */\n\treadonly audience: IAudience;\n\n\t/**\n\t * The server provided ID of the client.\n\t *\n\t * Set once {@link IContainer.connectionState} is {@link (ConnectionState:namespace).(Connected:variable)},\n\t * otherwise will be `undefined`.\n\t */\n\treadonly clientId?: string | undefined;\n\n\t/**\n\t * Tells if container is in read-only mode.\n\t *\n\t * @remarks\n\t *\n\t * Data stores should listen for \"readonly\" notifications and disallow user making changes to data stores.\n\t * Readonly state can be because of no storage write permission,\n\t * or due to host forcing readonly mode for container.\n\t *\n\t * We do not differentiate here between no write access to storage vs. host disallowing changes to container -\n\t * in all cases container runtime and data stores should respect readonly state and not allow local changes.\n\t *\n\t * It is undefined if we have not yet established websocket connection\n\t * and do not know if user has write access to a file.\n\t */\n\treadonly readOnlyInfo: ReadOnlyInfo;\n\n\t/**\n\t * Allows the host to have the container force to be in read-only mode\n\t * @param readonly - Boolean that toggles if read-only policies will be enforced\n\t */\n\tforceReadonly?(readonly: boolean);\n\n\t/**\n\t * Exposes the entryPoint for the container.\n\t * Use this as the primary way of getting access to the user-defined logic within the container.\n\t */\n\tgetEntryPoint(): Promise<FluidObject>;\n\n\t/**\n\t * Exposes any metadata/props related to the container. This is full set of metadata props which the container wants to\n\t * expose. Whenever container receives updates from `IContainerEvents.metadataUpdate` event, we overwrite only those\n\t * updated props in the update and rest remains the same.\n\t */\n\tcontainerMetadata: Record<string, string>;\n}\n\n/**\n * The Runtime's view of the Loader, used for loading Containers\n * @legacy @beta\n */\nexport interface ILoader extends Partial<IProvideLoader> {\n\t/**\n\t * Resolves the resource specified by the URL + headers contained in the request object\n\t * to the underlying container that will resolve the request.\n\t *\n\t * @remarks\n\t *\n\t * An analogy for this is resolve is a DNS resolve of a Fluid container. Request then executes\n\t * a request against the server found from the resolve step.\n\t */\n\tresolve(request: IRequest, pendingLocalState?: string): Promise<IContainer>;\n}\n\n/**\n * The Host's view of the Loader, used for loading Containers\n * @legacy @beta\n */\nexport interface IHostLoader extends ILoader {\n\t/**\n\t * Creates a new container using the specified chaincode but in an unattached state. While unattached all\n\t * updates will only be local until the user explicitly attaches the container to a service provider.\n\t */\n\tcreateDetachedContainer(\n\t\tcodeDetails: IFluidCodeDetails,\n\t\tcreateDetachedProps?: {\n\t\t\tcanReconnect?: boolean;\n\t\t\tclientDetailsOverride?: IClientDetails;\n\t\t},\n\t): Promise<IContainer>;\n\n\t/**\n\t * Creates a new container using the specified snapshot but in an unattached state. While unattached all\n\t * updates will only be local until the user explicitly attaches the container to a service provider.\n\t */\n\trehydrateDetachedContainerFromSnapshot(\n\t\tsnapshot: string,\n\t\tcreateDetachedProps?: {\n\t\t\tcanReconnect?: boolean;\n\t\t\tclientDetailsOverride?: IClientDetails;\n\t\t},\n\t): Promise<IContainer>;\n}\n\n/**\n * Options to configure various behaviors of the ILoader.\n * @legacy @beta\n */\n// eslint-disable-next-line @typescript-eslint/consistent-type-definitions\nexport type ILoaderOptions = {\n\t/**\n\t * @deprecated This option has been deprecated and will be removed in a future release\n\t * Set caching behavior for the loader. If true, we will load a container from cache if one\n\t * with the same id/version exists or create a new container and cache it if it does not. If\n\t * false, always load a new container and don't cache it. If the container has already been\n\t * closed, it will not be cached. A cache option in the LoaderHeader for an individual\n\t * request will override the Loader's value.\n\t * Defaults to false.\n\t */\n\tcache?: boolean;\n\n\t/**\n\t * @deprecated Do not use.\n\t */\n\tclient?: IClient;\n\n\t/**\n\t * @deprecated Do not use.\n\t */\n\tenableOfflineLoad?: boolean;\n\n\t/**\n\t * Provide the current Loader through the scope object when creating Containers. It is added\n\t * as the `ILoader` property, and will overwrite an existing property of the same name on the\n\t * scope. Useful for when the host wants to provide the current Loader's functionality to\n\t * individual Data Stores, which is typically expected when creating with a Loader.\n\t * Defaults to true.\n\t */\n\tprovideScopeLoader?: boolean;\n\n\t/**\n\t * Max time (in ms) container will wait for a leave message of a disconnected client.\n\t */\n\tmaxClientLeaveWaitTime?: number;\n};\n\n/**\n * Policies to have various behaviors during container create and load.\n * @legacy @beta\n */\n// eslint-disable-next-line @typescript-eslint/consistent-type-definitions\nexport type IContainerPolicies = {\n\t/**\n\t * Max time (in ms) container will wait for a leave message of a disconnected client.\n\t */\n\tmaxClientLeaveWaitTime?: number;\n};\n\n/**\n * Accepted header keys for requests coming to the Loader\n * @legacy @beta\n */\nexport enum LoaderHeader {\n\t/**\n\t * @deprecated This header has been deprecated and will be removed in a future release\n\t * Override the Loader's default caching behavior for this container.\n\t */\n\tcache = \"fluid-cache\",\n\n\tclientDetails = \"fluid-client-details\",\n\n\t/**\n\t * Start the container in a paused, unconnected state. Defaults to false\n\t */\n\tloadMode = \"loadMode\",\n\treconnect = \"fluid-reconnect\",\n\t/**\n\t * Loads the container to at least the specified sequence number.\n\t * If not defined, behavior will fall back to `IContainerLoadMode.opsBeforeReturn`.\n\t */\n\tsequenceNumber = \"fluid-sequence-number\",\n\n\t/**\n\t * One of the following:\n\t * null or \"null\": use ops, no snapshots\n\t * undefined: fetch latest snapshot\n\t * otherwise, version sha to load snapshot\n\t */\n\tversion = \"version\",\n}\n\n/**\n * @legacy @beta\n */\nexport interface IContainerLoadMode {\n\topsBeforeReturn?: /*\n\t * No trailing ops are applied before container is returned.\n\t * Default value.\n\t */\n\t\t| undefined\n\t\t/*\n\t\t * Only cached trailing ops are applied before returning container.\n\t\t * Caching is optional and could be implemented by the driver.\n\t\t * If driver does not implement any kind of local caching strategy, this is same as above.\n\t\t * Driver may cache a lot of ops, so care needs to be exercised (see below).\n\t\t */\n\t\t| \"cached\"\n\t\t/*\n\t\t * All trailing ops in storage are fetched and applied before container is returned\n\t\t * This mode might have significant impact on boot speed (depends on storage perf characteristics)\n\t\t * Also there might be a lot of trailing ops and applying them might take time, so hosts are\n\t\t * recommended to have some progress UX / cancellation built into loading flow when using this option.\n\t\t * WARNING: This is the only option that may result in unbound wait. If machine is offline or hits some other\n\t\t * errors (like 429s), it may get into inifinite retry loop, with no ability to observe or cancel that process.\n\t\t */\n\t\t| \"all\";\n\n\tdeltaConnection?: /*\n\t * Connection to delta stream is made only when Container.connect() call is made. Op processing\n\t * is paused (when container is returned from Loader.resolve()) until Container.connect() call is made.\n\t */\n\t\t| \"none\"\n\t\t/*\n\t\t * Connection to delta stream is made only when Container.connect() call is made.\n\t\t * Op fetching from storage is performed and ops are applied as they come in.\n\t\t * This is useful option if connection to delta stream is expensive and thus it's beneficial to move it\n\t\t * out from critical boot sequence, but it's beneficial to allow catch up to happen as fast as possible.\n\t\t */\n\t\t| \"delayed\"\n\t\t/*\n\t\t * Connection to delta stream is made right away.\n\t\t * Ops processing is enabled and ops are flowing through the system.\n\t\t * Default value.\n\t\t */\n\t\t| undefined;\n}\n\n/**\n * Set of Request Headers that the Loader understands and may inspect or modify\n * @internal\n */\nexport interface ILoaderHeader {\n\t[LoaderHeader.clientDetails]: IClientDetails;\n\t[LoaderHeader.loadMode]: IContainerLoadMode;\n\t[LoaderHeader.reconnect]: boolean;\n\t[LoaderHeader.version]: string | undefined;\n}\n\n/**\n * @legacy @beta\n */\nexport interface IProvideLoader {\n\treadonly ILoader: ILoader;\n}\n\n/**\n * This is used when we rehydrate a container from the snapshot. Here we put the blob contents\n * in separate property: {@link ISnapshotTreeWithBlobContents.blobsContents}.\n *\n * @remarks This is used as the `ContainerContext`'s base snapshot when attaching.\n * @legacy @beta\n */\nexport interface ISnapshotTreeWithBlobContents extends ISnapshotTree {\n\tblobsContents?: { [path: string]: ArrayBufferLike };\n\ttrees: { [path: string]: ISnapshotTreeWithBlobContents };\n}\n"]}
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All rights reserved.\n * Licensed under the MIT License.\n */\n\nimport type {\n\tFluidObject,\n\tIEvent,\n\tIEventProvider,\n\tIRequest,\n} from \"@fluidframework/core-interfaces\";\nimport type {\n\tIClient,\n\tIClientDetails,\n\tIQuorumClients,\n} from \"@fluidframework/driver-definitions\";\nimport type {\n\tIResolvedUrl,\n\tIDocumentMessage,\n\tISequencedProposal,\n\tISnapshotTree,\n\tISequencedDocumentMessage,\n} from \"@fluidframework/driver-definitions/internal\";\n\nimport type { IAudience } from \"./audience.js\";\nimport type { IDeltaManager, ReadOnlyInfo } from \"./deltas.js\";\nimport type { ContainerWarning, ICriticalContainerError } from \"./error.js\";\nimport type { IFluidModule } from \"./fluidModule.js\";\nimport type {\n\tIFluidCodeDetails,\n\tIFluidPackage,\n\tIProvideFluidCodeDetailsComparer,\n} from \"./fluidPackage.js\";\nimport type { AttachState } from \"./runtime.js\";\n\n/**\n * Encapsulates a module entry point with corresponding code details.\n * @legacy @beta\n */\nexport interface IFluidModuleWithDetails {\n\t/**\n\t * Fluid code module that implements the runtime factory needed to instantiate the container runtime.\n\t */\n\tmodule: IFluidModule;\n\n\t/**\n\t * Code details associated with the module. Represents a document schema this module supports.\n\t * If the code loader implements the {@link @fluidframework/core-interfaces#(IFluidCodeDetailsComparer:interface)}\n\t * interface, it'll be called to determine whether the module code details satisfy the new code proposal in the\n\t * quorum.\n\t */\n\tdetails: IFluidCodeDetails;\n}\n\n/**\n * Fluid code loader resolves a code module matching the document schema, i.e. code details, such as\n * a package name and package version range.\n * @legacy @beta\n */\nexport interface ICodeDetailsLoader extends Partial<IProvideFluidCodeDetailsComparer> {\n\t/**\n\t * Load the code module (package) that can interact with the document.\n\t *\n\t * @param source - Code proposal that articulates the current schema the document is written in.\n\t * @returns Code module entry point along with the code details associated with it.\n\t */\n\tload(source: IFluidCodeDetails): Promise<IFluidModuleWithDetails>;\n}\n\n/**\n * The interface returned from a IFluidCodeResolver which represents IFluidCodeDetails\n * that have been resolved and are ready to load\n * @internal\n */\nexport interface IResolvedFluidCodeDetails extends IFluidCodeDetails {\n\t/**\n\t * A resolved version of the Fluid package. All Fluid browser file entries should be absolute urls.\n\t */\n\treadonly resolvedPackage: Readonly<IFluidPackage>;\n\t/**\n\t * If not undefined, this id will be used to cache the entry point for the code package\n\t */\n\treadonly resolvedPackageCacheId: string | undefined;\n}\n\n/**\n * Fluid code resolvers take a Fluid code details, and resolve the\n * full Fluid package including absolute urls for the browser file entries.\n * The Fluid code resolver is coupled to a specific cdn and knows how to resolve\n * the code detail for loading from that cdn. This include resolving to the most recent\n * version of package that supports the provided code details.\n * @internal\n */\nexport interface IFluidCodeResolver {\n\t/**\n\t * Resolves a Fluid code details into a form that can be loaded.\n\t * @param details - The Fluid code details to resolve.\n\t * @returns A IResolvedFluidCodeDetails where the resolvedPackage's Fluid file entries are absolute urls, and\n\t * an optional resolvedPackageCacheId if the loaded package should be cached.\n\t */\n\tresolveCodeDetails(details: IFluidCodeDetails): Promise<IResolvedFluidCodeDetails>;\n}\n\n/**\n * Events emitted by the {@link IContainer} \"upwards\" to the Loader and Host.\n * @legacy @beta\n */\nexport interface IContainerEvents extends IEvent {\n\t/**\n\t * Emitted when the readonly state of the container changes.\n\t *\n\t * @remarks Listener parameters:\n\t *\n\t * - `readonly`: Whether or not the container is now in a readonly state.\n\t *\n\t * @see {@link IContainer.readOnlyInfo}\n\t */\n\t(event: \"readonly\", listener: (readonly: boolean) => void): void;\n\n\t/**\n\t * Emitted when the {@link IContainer} completes connecting to the Fluid service.\n\t *\n\t * @remarks Reflects connection state changes against the (delta) service acknowledging ops/edits.\n\t *\n\t * @see\n\t *\n\t * - {@link IContainer.connectionState}\n\t *\n\t * - {@link IContainer.connect}\n\t */\n\t(event: \"connected\", listener: (clientId: string) => void);\n\n\t/**\n\t * Fires when new container code details have been proposed, prior to acceptance.\n\t *\n\t * @remarks Listener parameters:\n\t *\n\t * - `codeDetails`: The code details being proposed.\n\t *\n\t * - `proposal`: NOT RECOMMENDED FOR USE.\n\t *\n\t * @see {@link IContainer.proposeCodeDetails}\n\t */\n\t(\n\t\tevent: \"codeDetailsProposed\",\n\t\tlistener: (codeDetails: IFluidCodeDetails, proposal: ISequencedProposal) => void,\n\t);\n\n\t/**\n\t * Emitted when the {@link IContainer} becomes disconnected from the Fluid service.\n\t *\n\t * @remarks Reflects connection state changes against the (delta) service acknowledging ops/edits.\n\t *\n\t * @see\n\t *\n\t * - {@link IContainer.connectionState}\n\t *\n\t * - {@link IContainer.disconnect}\n\t */\n\t(event: \"disconnected\", listener: () => void);\n\n\t/**\n\t * Emitted when a {@link AttachState.Detached | detached} container begins the process of\n\t * {@link AttachState.Attaching | attached} to the Fluid service.\n\t *\n\t * @see\n\t *\n\t * - {@link IContainer.attachState}\n\t *\n\t * - {@link IContainer.attach}\n\t */\n\t(event: \"attaching\", listener: () => void);\n\n\t/**\n\t * Emitted when the {@link AttachState.Attaching | attaching} process is complete and the container is\n\t * {@link AttachState.Attached | attached} to the Fluid service.\n\t *\n\t * @see\n\t *\n\t * - {@link IContainer.attachState}\n\t *\n\t * - {@link IContainer.attach}\n\t */\n\t(event: \"attached\", listener: () => void);\n\n\t/**\n\t * Emitted when the {@link IContainer} is closed, which permanently disables it.\n\t *\n\t * @remarks Listener parameters:\n\t *\n\t * - `error`: If the container was closed due to error, this will contain details about the error that caused it.\n\t *\n\t * @see {@link IContainer.close}\n\t */\n\t(event: \"closed\", listener: (error?: ICriticalContainerError) => void);\n\n\t/**\n\t * Emitted when the {@link IContainer} is disposed, which permanently disables it.\n\t *\n\t * @remarks Listener parameters:\n\t *\n\t * - `error`: If the container was disposed due to error, this will contain details about the error that caused it.\n\t *\n\t * @see {@link IContainer.dispose}\n\t */\n\t(event: \"disposed\", listener: (error?: ICriticalContainerError) => void);\n\n\t/**\n\t * Emitted when the container encounters a state which may lead to errors, which may be actionable by the consumer.\n\t *\n\t * @remarks\n\t *\n\t * Note: this event is not intended for general use.\n\t * The longer-term intention is to surface warnings more directly on the APIs that produce them.\n\t * For now, use of this should be avoided when possible.\n\t *\n\t * Listener parameters:\n\t *\n\t * - `error`: The warning describing the encountered state.\n\t */\n\t(event: \"warning\", listener: (error: ContainerWarning) => void);\n\n\t/**\n\t * Emitted immediately after processing an incoming operation (op).\n\t *\n\t * @remarks\n\t *\n\t * Note: this event is not intended for general use.\n\t * Prefer to listen to events on the appropriate ultimate recipients of the ops, rather than listening to the\n\t * ops directly on the {@link IContainer}.\n\t *\n\t * Listener parameters:\n\t *\n\t * - `message`: The op that was processed.\n\t */\n\t(event: \"op\", listener: (message: ISequencedDocumentMessage) => void);\n\n\t/**\n\t * Emitted upon the first local change while the Container is in the \"saved\" state.\n\t * That is, when {@link IContainer.isDirty} transitions from `true` to `false`.\n\t *\n\t * @remarks Listener parameters:\n\t *\n\t * - `dirty`: DEPRECATED. This parameter will be removed in a future release.\n\t *\n\t * @see {@link IContainer.isDirty}\n\t */\n\t(event: \"dirty\", listener: (dirty: boolean) => void);\n\n\t/**\n\t * Emitted when all local changes/edits have been acknowledged by the service.\n\t * I.e., when {@link IContainer.isDirty} transitions from `false` to `true`.\n\t *\n\t * @remarks Listener parameters:\n\t *\n\t * - `dirty`: DEPRECATED. This parameter will be removed in a future release.\n\t *\n\t * @see {@link IContainer.isDirty}\n\t */\n\t(event: \"saved\", listener: (dirty: boolean) => void);\n\n\t/**\n\t * Emitted when the some of the properties related to the container are initialized or updated.\n\t * This emitted metadata will the props which are updated. If consumer wants to read full set of\n\t * metadata then they can read it off the container from {@link IContainer.containerMetadata} prop.\n\t */\n\t(event: \"metadataUpdate\", listener: (metadata: Record<string, string>) => void);\n}\n\n/**\n * Namespace for the different connection states a container can be in.\n * PLEASE NOTE: The sequence of the numerical values does no correspond to the typical connection state progression.\n * @public\n */\n// eslint-disable-next-line @typescript-eslint/no-namespace\nexport namespace ConnectionState {\n\t/**\n\t * The container is not connected to the delta server.\n\t * Note - When in this state the container may be about to reconnect,\n\t * or may remain disconnected until explicitly told to connect.\n\t * @public\n\t */\n\texport const Disconnected = 0;\n\t/**\n\t * {@inheritdoc @fluidframework/container-definitions#(ConnectionState:namespace).(Disconnected:variable)}\n\t */\n\texport type Disconnected = typeof Disconnected;\n\n\t/**\n\t * The container is disconnected but actively trying to establish a new connection.\n\t * PLEASE NOTE that this numerical value falls out of the order you may expect for this state.\n\t * @public\n\t */\n\texport const EstablishingConnection = 3;\n\t/**\n\t * {@inheritdoc @fluidframework/container-definitions#(ConnectionState:namespace).(EstablishingConnection:variable)}\n\t */\n\texport type EstablishingConnection = typeof EstablishingConnection;\n\n\t/**\n\t * The container has an inbound connection only, and is catching up to the latest known state from the service.\n\t * @public\n\t */\n\texport const CatchingUp = 1;\n\t/**\n\t * {@inheritdoc @fluidframework/container-definitions#(ConnectionState:namespace).(CatchingUp:variable)}\n\t */\n\texport type CatchingUp = typeof CatchingUp;\n\n\t/**\n\t * The container is fully connected and syncing.\n\t * @public\n\t */\n\texport const Connected = 2;\n\t/**\n\t * {@inheritdoc @fluidframework/container-definitions#(ConnectionState:namespace).(Connected:variable)}\n\t */\n\texport type Connected = typeof Connected;\n}\n\n/**\n * Type defining the different states of connectivity a Container can be in.\n * @public\n */\nexport type ConnectionState =\n\t| ConnectionState.Disconnected\n\t| ConnectionState.EstablishingConnection\n\t| ConnectionState.CatchingUp\n\t| ConnectionState.Connected;\n\n/**\n * The Host's view of a Container and its connection to storage\n * @legacy @beta\n */\nexport interface IContainer extends IEventProvider<IContainerEvents> {\n\t/**\n\t * The Delta Manager supporting the op stream for this Container\n\t */\n\tdeltaManager: IDeltaManager<ISequencedDocumentMessage, IDocumentMessage>;\n\n\t/**\n\t * The collection of write clients which were connected as of the current sequence number.\n\t * Also contains a map of key-value pairs that must be agreed upon by all clients before being accepted.\n\t */\n\tgetQuorum(): IQuorumClients;\n\n\t/**\n\t * Represents the resolved url to the Container.\n\t * Will be undefined only when the container is in the {@link AttachState.Detached | detached} state.\n\t */\n\tresolvedUrl: IResolvedUrl | undefined;\n\n\t/**\n\t * Indicates the attachment state of the container to a host service.\n\t */\n\treadonly attachState: AttachState;\n\n\t/**\n\t * Get the code details that are currently specified for the container.\n\t * @returns The current code details if any are specified, undefined if none are specified.\n\t */\n\tgetSpecifiedCodeDetails(): IFluidCodeDetails | undefined;\n\n\t/**\n\t * Get the code details that were used to load the container.\n\t * @returns The code details that were used to load the container if it is loaded, undefined if it is not yet\n\t * loaded.\n\t */\n\tgetLoadedCodeDetails(): IFluidCodeDetails | undefined;\n\n\t/**\n\t * Returns true if the container has been closed and/or disposed, otherwise false.\n\t */\n\treadonly closed: boolean;\n\n\t/**\n\t * Returns true if the container has been disposed, otherwise false.\n\t */\n\treadonly disposed?: boolean;\n\n\t/**\n\t * Whether or not there are any local changes that have not been saved.\n\t */\n\treadonly isDirty: boolean;\n\n\t/**\n\t * Disposes the container. If not already closed, this acts as a closure and then disposes runtime resources.\n\t * The container is not expected to be used anymore once it is disposed.\n\t *\n\t * @param error - If the container is being disposed due to error, this provides details about the error that\n\t * resulted in disposing it.\n\t */\n\tdispose(error?: ICriticalContainerError): void;\n\n\t/**\n\t * Closes the container.\n\t *\n\t * @param error - If the container is being closed due to error, this provides details about the error that\n\t * resulted in closing it.\n\t */\n\tclose(error?: ICriticalContainerError): void;\n\n\t/**\n\t * Propose new code details that define the code to be loaded for this container's runtime.\n\t *\n\t * The returned promise will be true when the proposal is accepted, and false if the proposal is rejected.\n\t */\n\tproposeCodeDetails(codeDetails: IFluidCodeDetails): Promise<boolean>;\n\n\t/**\n\t * When a container is created in Fluid it starts in detached state,\n\t * which means it is not yet uploaded to server storage and unavailable for other users to open or collaborate with.\n\t * A detached container can be serialized, stored, and rehydrated by the application.\n\t *\n\t * To finish the creation of a container and make it available for other users to open and collaborate with it must be attached,\n\t * which means it is uploaded to server storage. This function accomplishes that.\n\t *\n\t * Use the functionality provided by the driver to craft the IRequest parameter.\n\t * This is usually a free function called createCreateNewRequest, which takes\n\t * strongly typed arguments related to your driver and server.\n\t *\n\t * By default, the container will close if attach fails.\n\t * However, closure can now be avoided in most cased by setting:\n\t * Fluid.Container.DisableCloseOnAttachFailure to true\n\t * via the config provider passed to the loader.\n\t *\n\t * If attach fails, check the closed property to discover if retry is possible.\n\t * If the container is not closed, it is safe to continue editing the container, calling serialize to capture the container's state,\n\t * or try calling attach again.\n\t *\n\t */\n\tattach(\n\t\trequest: IRequest,\n\t\tattachProps?: {\n\t\t\tdeltaConnection?: \"none\" | \"delayed\";\n\t\t},\n\t): Promise<void>;\n\n\t/**\n\t * Capture the state of a container that is not attached or closed.\n\t * This is useful in draft-like scenarios. For example, think of an email draft, where a user can make changes over time,\n\t * but no other users can see or have access to that draft.\n\t *\n\t * This method can only be called when\n\t * the container's closed property is false, and the attachState is not AttachState.Attached.\n\t *\n\t * This method will return a string that includes the full serialized state of the\n\t * container. This string must not be inspected or modified, as the format of the content is not guaranteed.\n\t * @remarks\n\t * Fluid supports rehydrating from strings generated by previous versions, but does not support the content itself being leveraged.\n\t *\n\t * Consider storing this string somewhere durable (e.g. localStorage or IndexedDB) to enable your application to recover it after tab close.\n\t *\n\t * To reload a container from a string your application previously stored, use the Loader method rehydrateDetachedContainerFromSnapshot.\n\t * That method will create a new detached container which matches the state of the previously serialized container.\n\t */\n\tserialize(): string;\n\n\t/**\n\t * Serialize the current state of an attached container so it can be rehydrated later\n\t * to the same position without data loss. The returned blob can be passed back as\n\t * `pendingLocalState` to {@link ILoader.resolve} (or `loadExistingContainer` from\n\t * `@fluidframework/container-loader`).\n\t *\n\t * @remarks\n\t * `IContainer` has three attach states (detached, attaching, attached); `getPendingLocalState`\n\t * is the attached-state capture API. For detached or attaching containers, use\n\t * {@link IContainer.serialize}.\n\t *\n\t * The container's {@link IContainer.closed} property must be false and the container must not\n\t * be {@link IContainer.disposed}; otherwise the implementation throws `UsageError`.\n\t *\n\t * WARNING: misuse of this API can result in duplicate op submission and potential\n\t * document corruption. To prevent container forking, callers must:\n\t *\n\t * - Regenerate the serialization on every reconnect and replace any previously stored copy.\n\t * - Wait until the original container has been closed before rehydrating from its serialized state.\n\t * - Never rehydrate more than one container from the same serialization.\n\t *\n\t * Optional during this minor release to preserve forward-compatibility for external\n\t * implementers of `IContainer`. A future breaking release will make this member required.\n\t */\n\tgetPendingLocalState?(): Promise<string>;\n\n\t/**\n\t * Get an absolute URL for a provided container-relative request URL.\n\t * If the container is not attached, this will return undefined.\n\t *\n\t * @param relativeUrl - A container-relative request URL.\n\t */\n\tgetAbsoluteUrl(relativeUrl: string): Promise<string | undefined>;\n\n\t/**\n\t * Provides the current state of the container's connection to the ordering service.\n\t *\n\t * @remarks Consumers can listen for state changes via the \"connected\" and \"disconnected\" events.\n\t */\n\treadonly connectionState: ConnectionState;\n\n\t/**\n\t * Attempts to connect the container to the delta stream and process ops.\n\t *\n\t * @remarks\n\t *\n\t * {@link IContainer.connectionState} will be set to {@link (ConnectionState:namespace).(Connected:variable)}, and the\n\t * \"connected\" event will be fired if/when connection succeeds.\n\t */\n\tconnect(): void;\n\n\t/**\n\t * Disconnects the container from the delta stream and stops processing ops.\n\t *\n\t * @remarks\n\t *\n\t * {@link IContainer.connectionState} will be set to {@link (ConnectionState:namespace).(Disconnected:variable)}, and the\n\t * \"disconnected\" event will be fired when disconnection completes.\n\t */\n\tdisconnect(): void;\n\n\t/**\n\t * The audience information for all clients currently associated with the document in the current session.\n\t */\n\treadonly audience: IAudience;\n\n\t/**\n\t * The server provided ID of the client.\n\t *\n\t * Set once {@link IContainer.connectionState} is {@link (ConnectionState:namespace).(Connected:variable)},\n\t * otherwise will be `undefined`.\n\t */\n\treadonly clientId?: string | undefined;\n\n\t/**\n\t * Tells if container is in read-only mode.\n\t *\n\t * @remarks\n\t *\n\t * Data stores should listen for \"readonly\" notifications and disallow user making changes to data stores.\n\t * Readonly state can be because of no storage write permission,\n\t * or due to host forcing readonly mode for container.\n\t *\n\t * We do not differentiate here between no write access to storage vs. host disallowing changes to container -\n\t * in all cases container runtime and data stores should respect readonly state and not allow local changes.\n\t *\n\t * It is undefined if we have not yet established websocket connection\n\t * and do not know if user has write access to a file.\n\t */\n\treadonly readOnlyInfo: ReadOnlyInfo;\n\n\t/**\n\t * Allows the host to have the container force to be in read-only mode\n\t * @param readonly - Boolean that toggles if read-only policies will be enforced\n\t */\n\tforceReadonly?(readonly: boolean);\n\n\t/**\n\t * Exposes the entryPoint for the container.\n\t * Use this as the primary way of getting access to the user-defined logic within the container.\n\t */\n\tgetEntryPoint(): Promise<FluidObject>;\n\n\t/**\n\t * Exposes any metadata/props related to the container. This is full set of metadata props which the container wants to\n\t * expose. Whenever container receives updates from `IContainerEvents.metadataUpdate` event, we overwrite only those\n\t * updated props in the update and rest remains the same.\n\t */\n\tcontainerMetadata: Record<string, string>;\n}\n\n/**\n * The Runtime's view of the Loader, used for loading Containers\n * @legacy @beta\n */\nexport interface ILoader extends Partial<IProvideLoader> {\n\t/**\n\t * Resolves the resource specified by the URL + headers contained in the request object\n\t * to the underlying container that will resolve the request.\n\t *\n\t * @remarks\n\t *\n\t * An analogy for this is resolve is a DNS resolve of a Fluid container. Request then executes\n\t * a request against the server found from the resolve step.\n\t *\n\t * When `pendingLocalState` is provided, the resolved container is rehydrated from a blob\n\t * previously produced by {@link IContainer.getPendingLocalState}.\n\t *\n\t * WARNING: misuse of `pendingLocalState` can result in duplicate op submission and potential\n\t * document corruption. To prevent container forking, callers must:\n\t *\n\t * - Pass the most recent blob produced for that container and discard any older serializations.\n\t * - Ensure the original container has been closed before rehydrating from its serialized state.\n\t * - Never rehydrate more than one container from the same blob.\n\t */\n\tresolve(request: IRequest, pendingLocalState?: string): Promise<IContainer>;\n}\n\n/**\n * The Host's view of the Loader, used for loading Containers\n * @legacy @beta\n */\nexport interface IHostLoader extends ILoader {\n\t/**\n\t * Creates a new container using the specified chaincode but in an unattached state. While unattached all\n\t * updates will only be local until the user explicitly attaches the container to a service provider.\n\t */\n\tcreateDetachedContainer(\n\t\tcodeDetails: IFluidCodeDetails,\n\t\tcreateDetachedProps?: {\n\t\t\tcanReconnect?: boolean;\n\t\t\tclientDetailsOverride?: IClientDetails;\n\t\t},\n\t): Promise<IContainer>;\n\n\t/**\n\t * Creates a new container using the specified snapshot but in an unattached state. While unattached all\n\t * updates will only be local until the user explicitly attaches the container to a service provider.\n\t */\n\trehydrateDetachedContainerFromSnapshot(\n\t\tsnapshot: string,\n\t\tcreateDetachedProps?: {\n\t\t\tcanReconnect?: boolean;\n\t\t\tclientDetailsOverride?: IClientDetails;\n\t\t},\n\t): Promise<IContainer>;\n}\n\n/**\n * Options to configure various behaviors of the ILoader.\n * @legacy @beta\n */\n// eslint-disable-next-line @typescript-eslint/consistent-type-definitions\nexport type ILoaderOptions = {\n\t/**\n\t * @deprecated This option has been deprecated and will be removed in a future release\n\t * Set caching behavior for the loader. If true, we will load a container from cache if one\n\t * with the same id/version exists or create a new container and cache it if it does not. If\n\t * false, always load a new container and don't cache it. If the container has already been\n\t * closed, it will not be cached. A cache option in the LoaderHeader for an individual\n\t * request will override the Loader's value.\n\t * Defaults to false.\n\t */\n\tcache?: boolean;\n\n\t/**\n\t * @deprecated Do not use.\n\t */\n\tclient?: IClient;\n\n\t/**\n\t * @deprecated Do not use.\n\t */\n\tenableOfflineLoad?: boolean;\n\n\t/**\n\t * Provide the current Loader through the scope object when creating Containers. It is added\n\t * as the `ILoader` property, and will overwrite an existing property of the same name on the\n\t * scope. Useful for when the host wants to provide the current Loader's functionality to\n\t * individual Data Stores, which is typically expected when creating with a Loader.\n\t * Defaults to true.\n\t */\n\tprovideScopeLoader?: boolean;\n\n\t/**\n\t * Max time (in ms) container will wait for a leave message of a disconnected client.\n\t */\n\tmaxClientLeaveWaitTime?: number;\n};\n\n/**\n * Policies to have various behaviors during container create and load.\n * @legacy @beta\n */\n// eslint-disable-next-line @typescript-eslint/consistent-type-definitions\nexport type IContainerPolicies = {\n\t/**\n\t * Max time (in ms) container will wait for a leave message of a disconnected client.\n\t */\n\tmaxClientLeaveWaitTime?: number;\n};\n\n/**\n * Accepted header keys for requests coming to the Loader\n * @legacy @beta\n */\nexport enum LoaderHeader {\n\t/**\n\t * @deprecated This header has been deprecated and will be removed in a future release\n\t * Override the Loader's default caching behavior for this container.\n\t */\n\tcache = \"fluid-cache\",\n\n\tclientDetails = \"fluid-client-details\",\n\n\t/**\n\t * Start the container in a paused, unconnected state. Defaults to false\n\t */\n\tloadMode = \"loadMode\",\n\treconnect = \"fluid-reconnect\",\n\t/**\n\t * Loads the container to at least the specified sequence number.\n\t * If not defined, behavior will fall back to `IContainerLoadMode.opsBeforeReturn`.\n\t */\n\tsequenceNumber = \"fluid-sequence-number\",\n\n\t/**\n\t * One of the following:\n\t * null or \"null\": use ops, no snapshots\n\t * undefined: fetch latest snapshot\n\t * otherwise, version sha to load snapshot\n\t */\n\tversion = \"version\",\n}\n\n/**\n * @legacy @beta\n */\nexport interface IContainerLoadMode {\n\topsBeforeReturn?: /*\n\t * No trailing ops are applied before container is returned.\n\t * Default value.\n\t */\n\t\t| undefined\n\t\t/*\n\t\t * Only cached trailing ops are applied before returning container.\n\t\t * Caching is optional and could be implemented by the driver.\n\t\t * If driver does not implement any kind of local caching strategy, this is same as above.\n\t\t * Driver may cache a lot of ops, so care needs to be exercised (see below).\n\t\t */\n\t\t| \"cached\"\n\t\t/*\n\t\t * All trailing ops in storage are fetched and applied before container is returned\n\t\t * This mode might have significant impact on boot speed (depends on storage perf characteristics)\n\t\t * Also there might be a lot of trailing ops and applying them might take time, so hosts are\n\t\t * recommended to have some progress UX / cancellation built into loading flow when using this option.\n\t\t * WARNING: This is the only option that may result in unbound wait. If machine is offline or hits some other\n\t\t * errors (like 429s), it may get into inifinite retry loop, with no ability to observe or cancel that process.\n\t\t */\n\t\t| \"all\";\n\n\tdeltaConnection?: /*\n\t * Connection to delta stream is made only when Container.connect() call is made. Op processing\n\t * is paused (when container is returned from Loader.resolve()) until Container.connect() call is made.\n\t */\n\t\t| \"none\"\n\t\t/*\n\t\t * Connection to delta stream is made only when Container.connect() call is made.\n\t\t * Op fetching from storage is performed and ops are applied as they come in.\n\t\t * This is useful option if connection to delta stream is expensive and thus it's beneficial to move it\n\t\t * out from critical boot sequence, but it's beneficial to allow catch up to happen as fast as possible.\n\t\t */\n\t\t| \"delayed\"\n\t\t/*\n\t\t * Connection to delta stream is made right away.\n\t\t * Ops processing is enabled and ops are flowing through the system.\n\t\t * Default value.\n\t\t */\n\t\t| undefined;\n}\n\n/**\n * Set of Request Headers that the Loader understands and may inspect or modify\n * @internal\n */\nexport interface ILoaderHeader {\n\t[LoaderHeader.clientDetails]: IClientDetails;\n\t[LoaderHeader.loadMode]: IContainerLoadMode;\n\t[LoaderHeader.reconnect]: boolean;\n\t[LoaderHeader.version]: string | undefined;\n}\n\n/**\n * @legacy @beta\n */\nexport interface IProvideLoader {\n\treadonly ILoader: ILoader;\n}\n\n/**\n * This is used when we rehydrate a container from the snapshot. Here we put the blob contents\n * in separate property: {@link ISnapshotTreeWithBlobContents.blobsContents}.\n *\n * @remarks This is used as the `ContainerContext`'s base snapshot when attaching.\n * @legacy @beta\n */\nexport interface ISnapshotTreeWithBlobContents extends ISnapshotTree {\n\tblobsContents?: { [path: string]: ArrayBufferLike };\n\ttrees: { [path: string]: ISnapshotTreeWithBlobContents };\n}\n"]}

lib/loader.d.ts

@@ -390,2 +390,27 @@ /*!
     /**
+     * Serialize the current state of an attached container so it can be rehydrated later
+     * to the same position without data loss. The returned blob can be passed back as
+     * `pendingLocalState` to {@link ILoader.resolve} (or `loadExistingContainer` from
+     * `@fluidframework/container-loader`).
+     *
+     * @remarks
+     * `IContainer` has three attach states (detached, attaching, attached); `getPendingLocalState`
+     * is the attached-state capture API. For detached or attaching containers, use
+     * {@link IContainer.serialize}.
+     *
+     * The container's {@link IContainer.closed} property must be false and the container must not
+     * be {@link IContainer.disposed}; otherwise the implementation throws `UsageError`.
+     *
+     * WARNING: misuse of this API can result in duplicate op submission and potential
+     * document corruption. To prevent container forking, callers must:
+     *
+     * - Regenerate the serialization on every reconnect and replace any previously stored copy.
+     * - Wait until the original container has been closed before rehydrating from its serialized state.
+     * - Never rehydrate more than one container from the same serialization.
+     *
+     * Optional during this minor release to preserve forward-compatibility for external
+     * implementers of `IContainer`. A future breaking release will make this member required.
+     */
+    getPendingLocalState?(): Promise<string>;
+    /**
      * Get an absolute URL for a provided container-relative request URL.
@@ -478,2 +503,12 @@ * If the container is not attached, this will return undefined.
      * a request against the server found from the resolve step.
+     *
+     * When `pendingLocalState` is provided, the resolved container is rehydrated from a blob
+     * previously produced by {@link IContainer.getPendingLocalState}.
+     *
+     * WARNING: misuse of `pendingLocalState` can result in duplicate op submission and potential
+     * document corruption. To prevent container forking, callers must:
+     *
+     * - Pass the most recent blob produced for that container and discard any older serializations.
+     * - Ensure the original container has been closed before rehydrating from its serialized state.
+     * - Never rehydrate more than one container from the same blob.
      */
@@ -480,0 +515,0 @@ resolve(request: IRequest, pendingLocalState?: string): Promise<IContainer>;

lib/loader.d.ts.map

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lib/loader.js.map

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All rights reserved.\n * Licensed under the MIT License.\n */\n\nimport type {\n\tFluidObject,\n\tIEvent,\n\tIEventProvider,\n\tIRequest,\n} from \"@fluidframework/core-interfaces\";\nimport type {\n\tIClient,\n\tIClientDetails,\n\tIQuorumClients,\n} from \"@fluidframework/driver-definitions\";\nimport type {\n\tIResolvedUrl,\n\tIDocumentMessage,\n\tISequencedProposal,\n\tISnapshotTree,\n\tISequencedDocumentMessage,\n} from \"@fluidframework/driver-definitions/internal\";\n\nimport type { IAudience } from \"./audience.js\";\nimport type { IDeltaManager, ReadOnlyInfo } from \"./deltas.js\";\nimport type { ContainerWarning, ICriticalContainerError } from \"./error.js\";\nimport type { IFluidModule } from \"./fluidModule.js\";\nimport type {\n\tIFluidCodeDetails,\n\tIFluidPackage,\n\tIProvideFluidCodeDetailsComparer,\n} from \"./fluidPackage.js\";\nimport type { AttachState } from \"./runtime.js\";\n\n/**\n * Encapsulates a module entry point with corresponding code details.\n * @legacy @beta\n */\nexport interface IFluidModuleWithDetails {\n\t/**\n\t * Fluid code module that implements the runtime factory needed to instantiate the container runtime.\n\t */\n\tmodule: IFluidModule;\n\n\t/**\n\t * Code details associated with the module. Represents a document schema this module supports.\n\t * If the code loader implements the {@link @fluidframework/core-interfaces#(IFluidCodeDetailsComparer:interface)}\n\t * interface, it'll be called to determine whether the module code details satisfy the new code proposal in the\n\t * quorum.\n\t */\n\tdetails: IFluidCodeDetails;\n}\n\n/**\n * Fluid code loader resolves a code module matching the document schema, i.e. code details, such as\n * a package name and package version range.\n * @legacy @beta\n */\nexport interface ICodeDetailsLoader extends Partial<IProvideFluidCodeDetailsComparer> {\n\t/**\n\t * Load the code module (package) that can interact with the document.\n\t *\n\t * @param source - Code proposal that articulates the current schema the document is written in.\n\t * @returns Code module entry point along with the code details associated with it.\n\t */\n\tload(source: IFluidCodeDetails): Promise<IFluidModuleWithDetails>;\n}\n\n/**\n * The interface returned from a IFluidCodeResolver which represents IFluidCodeDetails\n * that have been resolved and are ready to load\n * @internal\n */\nexport interface IResolvedFluidCodeDetails extends IFluidCodeDetails {\n\t/**\n\t * A resolved version of the Fluid package. All Fluid browser file entries should be absolute urls.\n\t */\n\treadonly resolvedPackage: Readonly<IFluidPackage>;\n\t/**\n\t * If not undefined, this id will be used to cache the entry point for the code package\n\t */\n\treadonly resolvedPackageCacheId: string | undefined;\n}\n\n/**\n * Fluid code resolvers take a Fluid code details, and resolve the\n * full Fluid package including absolute urls for the browser file entries.\n * The Fluid code resolver is coupled to a specific cdn and knows how to resolve\n * the code detail for loading from that cdn. This include resolving to the most recent\n * version of package that supports the provided code details.\n * @internal\n */\nexport interface IFluidCodeResolver {\n\t/**\n\t * Resolves a Fluid code details into a form that can be loaded.\n\t * @param details - The Fluid code details to resolve.\n\t * @returns A IResolvedFluidCodeDetails where the resolvedPackage's Fluid file entries are absolute urls, and\n\t * an optional resolvedPackageCacheId if the loaded package should be cached.\n\t */\n\tresolveCodeDetails(details: IFluidCodeDetails): Promise<IResolvedFluidCodeDetails>;\n}\n\n/**\n * Events emitted by the {@link IContainer} \"upwards\" to the Loader and Host.\n * @legacy @beta\n */\nexport interface IContainerEvents extends IEvent {\n\t/**\n\t * Emitted when the readonly state of the container changes.\n\t *\n\t * @remarks Listener parameters:\n\t *\n\t * - `readonly`: Whether or not the container is now in a readonly state.\n\t *\n\t * @see {@link IContainer.readOnlyInfo}\n\t */\n\t(event: \"readonly\", listener: (readonly: boolean) => void): void;\n\n\t/**\n\t * Emitted when the {@link IContainer} completes connecting to the Fluid service.\n\t *\n\t * @remarks Reflects connection state changes against the (delta) service acknowledging ops/edits.\n\t *\n\t * @see\n\t *\n\t * - {@link IContainer.connectionState}\n\t *\n\t * - {@link IContainer.connect}\n\t */\n\t(event: \"connected\", listener: (clientId: string) => void);\n\n\t/**\n\t * Fires when new container code details have been proposed, prior to acceptance.\n\t *\n\t * @remarks Listener parameters:\n\t *\n\t * - `codeDetails`: The code details being proposed.\n\t *\n\t * - `proposal`: NOT RECOMMENDED FOR USE.\n\t *\n\t * @see {@link IContainer.proposeCodeDetails}\n\t */\n\t(\n\t\tevent: \"codeDetailsProposed\",\n\t\tlistener: (codeDetails: IFluidCodeDetails, proposal: ISequencedProposal) => void,\n\t);\n\n\t/**\n\t * Emitted when the {@link IContainer} becomes disconnected from the Fluid service.\n\t *\n\t * @remarks Reflects connection state changes against the (delta) service acknowledging ops/edits.\n\t *\n\t * @see\n\t *\n\t * - {@link IContainer.connectionState}\n\t *\n\t * - {@link IContainer.disconnect}\n\t */\n\t(event: \"disconnected\", listener: () => void);\n\n\t/**\n\t * Emitted when a {@link AttachState.Detached | detached} container begins the process of\n\t * {@link AttachState.Attaching | attached} to the Fluid service.\n\t *\n\t * @see\n\t *\n\t * - {@link IContainer.attachState}\n\t *\n\t * - {@link IContainer.attach}\n\t */\n\t(event: \"attaching\", listener: () => void);\n\n\t/**\n\t * Emitted when the {@link AttachState.Attaching | attaching} process is complete and the container is\n\t * {@link AttachState.Attached | attached} to the Fluid service.\n\t *\n\t * @see\n\t *\n\t * - {@link IContainer.attachState}\n\t *\n\t * - {@link IContainer.attach}\n\t */\n\t(event: \"attached\", listener: () => void);\n\n\t/**\n\t * Emitted when the {@link IContainer} is closed, which permanently disables it.\n\t *\n\t * @remarks Listener parameters:\n\t *\n\t * - `error`: If the container was closed due to error, this will contain details about the error that caused it.\n\t *\n\t * @see {@link IContainer.close}\n\t */\n\t(event: \"closed\", listener: (error?: ICriticalContainerError) => void);\n\n\t/**\n\t * Emitted when the {@link IContainer} is disposed, which permanently disables it.\n\t *\n\t * @remarks Listener parameters:\n\t *\n\t * - `error`: If the container was disposed due to error, this will contain details about the error that caused it.\n\t *\n\t * @see {@link IContainer.dispose}\n\t */\n\t(event: \"disposed\", listener: (error?: ICriticalContainerError) => void);\n\n\t/**\n\t * Emitted when the container encounters a state which may lead to errors, which may be actionable by the consumer.\n\t *\n\t * @remarks\n\t *\n\t * Note: this event is not intended for general use.\n\t * The longer-term intention is to surface warnings more directly on the APIs that produce them.\n\t * For now, use of this should be avoided when possible.\n\t *\n\t * Listener parameters:\n\t *\n\t * - `error`: The warning describing the encountered state.\n\t */\n\t(event: \"warning\", listener: (error: ContainerWarning) => void);\n\n\t/**\n\t * Emitted immediately after processing an incoming operation (op).\n\t *\n\t * @remarks\n\t *\n\t * Note: this event is not intended for general use.\n\t * Prefer to listen to events on the appropriate ultimate recipients of the ops, rather than listening to the\n\t * ops directly on the {@link IContainer}.\n\t *\n\t * Listener parameters:\n\t *\n\t * - `message`: The op that was processed.\n\t */\n\t(event: \"op\", listener: (message: ISequencedDocumentMessage) => void);\n\n\t/**\n\t * Emitted upon the first local change while the Container is in the \"saved\" state.\n\t * That is, when {@link IContainer.isDirty} transitions from `true` to `false`.\n\t *\n\t * @remarks Listener parameters:\n\t *\n\t * - `dirty`: DEPRECATED. This parameter will be removed in a future release.\n\t *\n\t * @see {@link IContainer.isDirty}\n\t */\n\t(event: \"dirty\", listener: (dirty: boolean) => void);\n\n\t/**\n\t * Emitted when all local changes/edits have been acknowledged by the service.\n\t * I.e., when {@link IContainer.isDirty} transitions from `false` to `true`.\n\t *\n\t * @remarks Listener parameters:\n\t *\n\t * - `dirty`: DEPRECATED. This parameter will be removed in a future release.\n\t *\n\t * @see {@link IContainer.isDirty}\n\t */\n\t(event: \"saved\", listener: (dirty: boolean) => void);\n\n\t/**\n\t * Emitted when the some of the properties related to the container are initialized or updated.\n\t * This emitted metadata will the props which are updated. If consumer wants to read full set of\n\t * metadata then they can read it off the container from {@link IContainer.containerMetadata} prop.\n\t */\n\t(event: \"metadataUpdate\", listener: (metadata: Record<string, string>) => void);\n}\n\n/**\n * Namespace for the different connection states a container can be in.\n * PLEASE NOTE: The sequence of the numerical values does no correspond to the typical connection state progression.\n * @public\n */\n// eslint-disable-next-line @typescript-eslint/no-namespace\nexport namespace ConnectionState {\n\t/**\n\t * The container is not connected to the delta server.\n\t * Note - When in this state the container may be about to reconnect,\n\t * or may remain disconnected until explicitly told to connect.\n\t * @public\n\t */\n\texport const Disconnected = 0;\n\t/**\n\t * {@inheritdoc @fluidframework/container-definitions#(ConnectionState:namespace).(Disconnected:variable)}\n\t */\n\texport type Disconnected = typeof Disconnected;\n\n\t/**\n\t * The container is disconnected but actively trying to establish a new connection.\n\t * PLEASE NOTE that this numerical value falls out of the order you may expect for this state.\n\t * @public\n\t */\n\texport const EstablishingConnection = 3;\n\t/**\n\t * {@inheritdoc @fluidframework/container-definitions#(ConnectionState:namespace).(EstablishingConnection:variable)}\n\t */\n\texport type EstablishingConnection = typeof EstablishingConnection;\n\n\t/**\n\t * The container has an inbound connection only, and is catching up to the latest known state from the service.\n\t * @public\n\t */\n\texport const CatchingUp = 1;\n\t/**\n\t * {@inheritdoc @fluidframework/container-definitions#(ConnectionState:namespace).(CatchingUp:variable)}\n\t */\n\texport type CatchingUp = typeof CatchingUp;\n\n\t/**\n\t * The container is fully connected and syncing.\n\t * @public\n\t */\n\texport const Connected = 2;\n\t/**\n\t * {@inheritdoc @fluidframework/container-definitions#(ConnectionState:namespace).(Connected:variable)}\n\t */\n\texport type Connected = typeof Connected;\n}\n\n/**\n * Type defining the different states of connectivity a Container can be in.\n * @public\n */\nexport type ConnectionState =\n\t| ConnectionState.Disconnected\n\t| ConnectionState.EstablishingConnection\n\t| ConnectionState.CatchingUp\n\t| ConnectionState.Connected;\n\n/**\n * The Host's view of a Container and its connection to storage\n * @legacy @beta\n */\nexport interface IContainer extends IEventProvider<IContainerEvents> {\n\t/**\n\t * The Delta Manager supporting the op stream for this Container\n\t */\n\tdeltaManager: IDeltaManager<ISequencedDocumentMessage, IDocumentMessage>;\n\n\t/**\n\t * The collection of write clients which were connected as of the current sequence number.\n\t * Also contains a map of key-value pairs that must be agreed upon by all clients before being accepted.\n\t */\n\tgetQuorum(): IQuorumClients;\n\n\t/**\n\t * Represents the resolved url to the Container.\n\t * Will be undefined only when the container is in the {@link AttachState.Detached | detached} state.\n\t */\n\tresolvedUrl: IResolvedUrl | undefined;\n\n\t/**\n\t * Indicates the attachment state of the container to a host service.\n\t */\n\treadonly attachState: AttachState;\n\n\t/**\n\t * Get the code details that are currently specified for the container.\n\t * @returns The current code details if any are specified, undefined if none are specified.\n\t */\n\tgetSpecifiedCodeDetails(): IFluidCodeDetails | undefined;\n\n\t/**\n\t * Get the code details that were used to load the container.\n\t * @returns The code details that were used to load the container if it is loaded, undefined if it is not yet\n\t * loaded.\n\t */\n\tgetLoadedCodeDetails(): IFluidCodeDetails | undefined;\n\n\t/**\n\t * Returns true if the container has been closed and/or disposed, otherwise false.\n\t */\n\treadonly closed: boolean;\n\n\t/**\n\t * Returns true if the container has been disposed, otherwise false.\n\t */\n\treadonly disposed?: boolean;\n\n\t/**\n\t * Whether or not there are any local changes that have not been saved.\n\t */\n\treadonly isDirty: boolean;\n\n\t/**\n\t * Disposes the container. If not already closed, this acts as a closure and then disposes runtime resources.\n\t * The container is not expected to be used anymore once it is disposed.\n\t *\n\t * @param error - If the container is being disposed due to error, this provides details about the error that\n\t * resulted in disposing it.\n\t */\n\tdispose(error?: ICriticalContainerError): void;\n\n\t/**\n\t * Closes the container.\n\t *\n\t * @param error - If the container is being closed due to error, this provides details about the error that\n\t * resulted in closing it.\n\t */\n\tclose(error?: ICriticalContainerError): void;\n\n\t/**\n\t * Propose new code details that define the code to be loaded for this container's runtime.\n\t *\n\t * The returned promise will be true when the proposal is accepted, and false if the proposal is rejected.\n\t */\n\tproposeCodeDetails(codeDetails: IFluidCodeDetails): Promise<boolean>;\n\n\t/**\n\t * When a container is created in Fluid it starts in detached state,\n\t * which means it is not yet uploaded to server storage and unavailable for other users to open or collaborate with.\n\t * A detached container can be serialized, stored, and rehydrated by the application.\n\t *\n\t * To finish the creation of a container and make it available for other users to open and collaborate with it must be attached,\n\t * which means it is uploaded to server storage. This function accomplishes that.\n\t *\n\t * Use the functionality provided by the driver to craft the IRequest parameter.\n\t * This is usually a free function called createCreateNewRequest, which takes\n\t * strongly typed arguments related to your driver and server.\n\t *\n\t * By default, the container will close if attach fails.\n\t * However, closure can now be avoided in most cased by setting:\n\t * Fluid.Container.DisableCloseOnAttachFailure to true\n\t * via the config provider passed to the loader.\n\t *\n\t * If attach fails, check the closed property to discover if retry is possible.\n\t * If the container is not closed, it is safe to continue editing the container, calling serialize to capture the container's state,\n\t * or try calling attach again.\n\t *\n\t */\n\tattach(\n\t\trequest: IRequest,\n\t\tattachProps?: {\n\t\t\tdeltaConnection?: \"none\" | \"delayed\";\n\t\t},\n\t): Promise<void>;\n\n\t/**\n\t * Capture the state of a container that is not attached or closed.\n\t * This is useful in draft-like scenarios. For example, think of an email draft, where a user can make changes over time,\n\t * but no other users can see or have access to that draft.\n\t *\n\t * This method can only be called when\n\t * the container's closed property is false, and the attachState is not AttachState.Attached.\n\t *\n\t * This method will return a string that includes the full serialized state of the\n\t * container. This string must not be inspected or modified, as the format of the content is not guaranteed.\n\t * @remarks\n\t * Fluid supports rehydrating from strings generated by previous versions, but does not support the content itself being leveraged.\n\t *\n\t * Consider storing this string somewhere durable (e.g. localStorage or IndexedDB) to enable your application to recover it after tab close.\n\t *\n\t * To reload a container from a string your application previously stored, use the Loader method rehydrateDetachedContainerFromSnapshot.\n\t * That method will create a new detached container which matches the state of the previously serialized container.\n\t */\n\tserialize(): string;\n\n\t/**\n\t * Get an absolute URL for a provided container-relative request URL.\n\t * If the container is not attached, this will return undefined.\n\t *\n\t * @param relativeUrl - A container-relative request URL.\n\t */\n\tgetAbsoluteUrl(relativeUrl: string): Promise<string | undefined>;\n\n\t/**\n\t * Provides the current state of the container's connection to the ordering service.\n\t *\n\t * @remarks Consumers can listen for state changes via the \"connected\" and \"disconnected\" events.\n\t */\n\treadonly connectionState: ConnectionState;\n\n\t/**\n\t * Attempts to connect the container to the delta stream and process ops.\n\t *\n\t * @remarks\n\t *\n\t * {@link IContainer.connectionState} will be set to {@link (ConnectionState:namespace).(Connected:variable)}, and the\n\t * \"connected\" event will be fired if/when connection succeeds.\n\t */\n\tconnect(): void;\n\n\t/**\n\t * Disconnects the container from the delta stream and stops processing ops.\n\t *\n\t * @remarks\n\t *\n\t * {@link IContainer.connectionState} will be set to {@link (ConnectionState:namespace).(Disconnected:variable)}, and the\n\t * \"disconnected\" event will be fired when disconnection completes.\n\t */\n\tdisconnect(): void;\n\n\t/**\n\t * The audience information for all clients currently associated with the document in the current session.\n\t */\n\treadonly audience: IAudience;\n\n\t/**\n\t * The server provided ID of the client.\n\t *\n\t * Set once {@link IContainer.connectionState} is {@link (ConnectionState:namespace).(Connected:variable)},\n\t * otherwise will be `undefined`.\n\t */\n\treadonly clientId?: string | undefined;\n\n\t/**\n\t * Tells if container is in read-only mode.\n\t *\n\t * @remarks\n\t *\n\t * Data stores should listen for \"readonly\" notifications and disallow user making changes to data stores.\n\t * Readonly state can be because of no storage write permission,\n\t * or due to host forcing readonly mode for container.\n\t *\n\t * We do not differentiate here between no write access to storage vs. host disallowing changes to container -\n\t * in all cases container runtime and data stores should respect readonly state and not allow local changes.\n\t *\n\t * It is undefined if we have not yet established websocket connection\n\t * and do not know if user has write access to a file.\n\t */\n\treadonly readOnlyInfo: ReadOnlyInfo;\n\n\t/**\n\t * Allows the host to have the container force to be in read-only mode\n\t * @param readonly - Boolean that toggles if read-only policies will be enforced\n\t */\n\tforceReadonly?(readonly: boolean);\n\n\t/**\n\t * Exposes the entryPoint for the container.\n\t * Use this as the primary way of getting access to the user-defined logic within the container.\n\t */\n\tgetEntryPoint(): Promise<FluidObject>;\n\n\t/**\n\t * Exposes any metadata/props related to the container. This is full set of metadata props which the container wants to\n\t * expose. Whenever container receives updates from `IContainerEvents.metadataUpdate` event, we overwrite only those\n\t * updated props in the update and rest remains the same.\n\t */\n\tcontainerMetadata: Record<string, string>;\n}\n\n/**\n * The Runtime's view of the Loader, used for loading Containers\n * @legacy @beta\n */\nexport interface ILoader extends Partial<IProvideLoader> {\n\t/**\n\t * Resolves the resource specified by the URL + headers contained in the request object\n\t * to the underlying container that will resolve the request.\n\t *\n\t * @remarks\n\t *\n\t * An analogy for this is resolve is a DNS resolve of a Fluid container. Request then executes\n\t * a request against the server found from the resolve step.\n\t */\n\tresolve(request: IRequest, pendingLocalState?: string): Promise<IContainer>;\n}\n\n/**\n * The Host's view of the Loader, used for loading Containers\n * @legacy @beta\n */\nexport interface IHostLoader extends ILoader {\n\t/**\n\t * Creates a new container using the specified chaincode but in an unattached state. While unattached all\n\t * updates will only be local until the user explicitly attaches the container to a service provider.\n\t */\n\tcreateDetachedContainer(\n\t\tcodeDetails: IFluidCodeDetails,\n\t\tcreateDetachedProps?: {\n\t\t\tcanReconnect?: boolean;\n\t\t\tclientDetailsOverride?: IClientDetails;\n\t\t},\n\t): Promise<IContainer>;\n\n\t/**\n\t * Creates a new container using the specified snapshot but in an unattached state. While unattached all\n\t * updates will only be local until the user explicitly attaches the container to a service provider.\n\t */\n\trehydrateDetachedContainerFromSnapshot(\n\t\tsnapshot: string,\n\t\tcreateDetachedProps?: {\n\t\t\tcanReconnect?: boolean;\n\t\t\tclientDetailsOverride?: IClientDetails;\n\t\t},\n\t): Promise<IContainer>;\n}\n\n/**\n * Options to configure various behaviors of the ILoader.\n * @legacy @beta\n */\n// eslint-disable-next-line @typescript-eslint/consistent-type-definitions\nexport type ILoaderOptions = {\n\t/**\n\t * @deprecated This option has been deprecated and will be removed in a future release\n\t * Set caching behavior for the loader. If true, we will load a container from cache if one\n\t * with the same id/version exists or create a new container and cache it if it does not. If\n\t * false, always load a new container and don't cache it. If the container has already been\n\t * closed, it will not be cached. A cache option in the LoaderHeader for an individual\n\t * request will override the Loader's value.\n\t * Defaults to false.\n\t */\n\tcache?: boolean;\n\n\t/**\n\t * @deprecated Do not use.\n\t */\n\tclient?: IClient;\n\n\t/**\n\t * @deprecated Do not use.\n\t */\n\tenableOfflineLoad?: boolean;\n\n\t/**\n\t * Provide the current Loader through the scope object when creating Containers. It is added\n\t * as the `ILoader` property, and will overwrite an existing property of the same name on the\n\t * scope. Useful for when the host wants to provide the current Loader's functionality to\n\t * individual Data Stores, which is typically expected when creating with a Loader.\n\t * Defaults to true.\n\t */\n\tprovideScopeLoader?: boolean;\n\n\t/**\n\t * Max time (in ms) container will wait for a leave message of a disconnected client.\n\t */\n\tmaxClientLeaveWaitTime?: number;\n};\n\n/**\n * Policies to have various behaviors during container create and load.\n * @legacy @beta\n */\n// eslint-disable-next-line @typescript-eslint/consistent-type-definitions\nexport type IContainerPolicies = {\n\t/**\n\t * Max time (in ms) container will wait for a leave message of a disconnected client.\n\t */\n\tmaxClientLeaveWaitTime?: number;\n};\n\n/**\n * Accepted header keys for requests coming to the Loader\n * @legacy @beta\n */\nexport enum LoaderHeader {\n\t/**\n\t * @deprecated This header has been deprecated and will be removed in a future release\n\t * Override the Loader's default caching behavior for this container.\n\t */\n\tcache = \"fluid-cache\",\n\n\tclientDetails = \"fluid-client-details\",\n\n\t/**\n\t * Start the container in a paused, unconnected state. Defaults to false\n\t */\n\tloadMode = \"loadMode\",\n\treconnect = \"fluid-reconnect\",\n\t/**\n\t * Loads the container to at least the specified sequence number.\n\t * If not defined, behavior will fall back to `IContainerLoadMode.opsBeforeReturn`.\n\t */\n\tsequenceNumber = \"fluid-sequence-number\",\n\n\t/**\n\t * One of the following:\n\t * null or \"null\": use ops, no snapshots\n\t * undefined: fetch latest snapshot\n\t * otherwise, version sha to load snapshot\n\t */\n\tversion = \"version\",\n}\n\n/**\n * @legacy @beta\n */\nexport interface IContainerLoadMode {\n\topsBeforeReturn?: /*\n\t * No trailing ops are applied before container is returned.\n\t * Default value.\n\t */\n\t\t| undefined\n\t\t/*\n\t\t * Only cached trailing ops are applied before returning container.\n\t\t * Caching is optional and could be implemented by the driver.\n\t\t * If driver does not implement any kind of local caching strategy, this is same as above.\n\t\t * Driver may cache a lot of ops, so care needs to be exercised (see below).\n\t\t */\n\t\t| \"cached\"\n\t\t/*\n\t\t * All trailing ops in storage are fetched and applied before container is returned\n\t\t * This mode might have significant impact on boot speed (depends on storage perf characteristics)\n\t\t * Also there might be a lot of trailing ops and applying them might take time, so hosts are\n\t\t * recommended to have some progress UX / cancellation built into loading flow when using this option.\n\t\t * WARNING: This is the only option that may result in unbound wait. If machine is offline or hits some other\n\t\t * errors (like 429s), it may get into inifinite retry loop, with no ability to observe or cancel that process.\n\t\t */\n\t\t| \"all\";\n\n\tdeltaConnection?: /*\n\t * Connection to delta stream is made only when Container.connect() call is made. Op processing\n\t * is paused (when container is returned from Loader.resolve()) until Container.connect() call is made.\n\t */\n\t\t| \"none\"\n\t\t/*\n\t\t * Connection to delta stream is made only when Container.connect() call is made.\n\t\t * Op fetching from storage is performed and ops are applied as they come in.\n\t\t * This is useful option if connection to delta stream is expensive and thus it's beneficial to move it\n\t\t * out from critical boot sequence, but it's beneficial to allow catch up to happen as fast as possible.\n\t\t */\n\t\t| \"delayed\"\n\t\t/*\n\t\t * Connection to delta stream is made right away.\n\t\t * Ops processing is enabled and ops are flowing through the system.\n\t\t * Default value.\n\t\t */\n\t\t| undefined;\n}\n\n/**\n * Set of Request Headers that the Loader understands and may inspect or modify\n * @internal\n */\nexport interface ILoaderHeader {\n\t[LoaderHeader.clientDetails]: IClientDetails;\n\t[LoaderHeader.loadMode]: IContainerLoadMode;\n\t[LoaderHeader.reconnect]: boolean;\n\t[LoaderHeader.version]: string | undefined;\n}\n\n/**\n * @legacy @beta\n */\nexport interface IProvideLoader {\n\treadonly ILoader: ILoader;\n}\n\n/**\n * This is used when we rehydrate a container from the snapshot. Here we put the blob contents\n * in separate property: {@link ISnapshotTreeWithBlobContents.blobsContents}.\n *\n * @remarks This is used as the `ContainerContext`'s base snapshot when attaching.\n * @legacy @beta\n */\nexport interface ISnapshotTreeWithBlobContents extends ISnapshotTree {\n\tblobsContents?: { [path: string]: ArrayBufferLike };\n\ttrees: { [path: string]: ISnapshotTreeWithBlobContents };\n}\n"]}
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All rights reserved.\n * Licensed under the MIT License.\n */\n\nimport type {\n\tFluidObject,\n\tIEvent,\n\tIEventProvider,\n\tIRequest,\n} from \"@fluidframework/core-interfaces\";\nimport type {\n\tIClient,\n\tIClientDetails,\n\tIQuorumClients,\n} from \"@fluidframework/driver-definitions\";\nimport type {\n\tIResolvedUrl,\n\tIDocumentMessage,\n\tISequencedProposal,\n\tISnapshotTree,\n\tISequencedDocumentMessage,\n} from \"@fluidframework/driver-definitions/internal\";\n\nimport type { IAudience } from \"./audience.js\";\nimport type { IDeltaManager, ReadOnlyInfo } from \"./deltas.js\";\nimport type { ContainerWarning, ICriticalContainerError } from \"./error.js\";\nimport type { IFluidModule } from \"./fluidModule.js\";\nimport type {\n\tIFluidCodeDetails,\n\tIFluidPackage,\n\tIProvideFluidCodeDetailsComparer,\n} from \"./fluidPackage.js\";\nimport type { AttachState } from \"./runtime.js\";\n\n/**\n * Encapsulates a module entry point with corresponding code details.\n * @legacy @beta\n */\nexport interface IFluidModuleWithDetails {\n\t/**\n\t * Fluid code module that implements the runtime factory needed to instantiate the container runtime.\n\t */\n\tmodule: IFluidModule;\n\n\t/**\n\t * Code details associated with the module. Represents a document schema this module supports.\n\t * If the code loader implements the {@link @fluidframework/core-interfaces#(IFluidCodeDetailsComparer:interface)}\n\t * interface, it'll be called to determine whether the module code details satisfy the new code proposal in the\n\t * quorum.\n\t */\n\tdetails: IFluidCodeDetails;\n}\n\n/**\n * Fluid code loader resolves a code module matching the document schema, i.e. code details, such as\n * a package name and package version range.\n * @legacy @beta\n */\nexport interface ICodeDetailsLoader extends Partial<IProvideFluidCodeDetailsComparer> {\n\t/**\n\t * Load the code module (package) that can interact with the document.\n\t *\n\t * @param source - Code proposal that articulates the current schema the document is written in.\n\t * @returns Code module entry point along with the code details associated with it.\n\t */\n\tload(source: IFluidCodeDetails): Promise<IFluidModuleWithDetails>;\n}\n\n/**\n * The interface returned from a IFluidCodeResolver which represents IFluidCodeDetails\n * that have been resolved and are ready to load\n * @internal\n */\nexport interface IResolvedFluidCodeDetails extends IFluidCodeDetails {\n\t/**\n\t * A resolved version of the Fluid package. All Fluid browser file entries should be absolute urls.\n\t */\n\treadonly resolvedPackage: Readonly<IFluidPackage>;\n\t/**\n\t * If not undefined, this id will be used to cache the entry point for the code package\n\t */\n\treadonly resolvedPackageCacheId: string | undefined;\n}\n\n/**\n * Fluid code resolvers take a Fluid code details, and resolve the\n * full Fluid package including absolute urls for the browser file entries.\n * The Fluid code resolver is coupled to a specific cdn and knows how to resolve\n * the code detail for loading from that cdn. This include resolving to the most recent\n * version of package that supports the provided code details.\n * @internal\n */\nexport interface IFluidCodeResolver {\n\t/**\n\t * Resolves a Fluid code details into a form that can be loaded.\n\t * @param details - The Fluid code details to resolve.\n\t * @returns A IResolvedFluidCodeDetails where the resolvedPackage's Fluid file entries are absolute urls, and\n\t * an optional resolvedPackageCacheId if the loaded package should be cached.\n\t */\n\tresolveCodeDetails(details: IFluidCodeDetails): Promise<IResolvedFluidCodeDetails>;\n}\n\n/**\n * Events emitted by the {@link IContainer} \"upwards\" to the Loader and Host.\n * @legacy @beta\n */\nexport interface IContainerEvents extends IEvent {\n\t/**\n\t * Emitted when the readonly state of the container changes.\n\t *\n\t * @remarks Listener parameters:\n\t *\n\t * - `readonly`: Whether or not the container is now in a readonly state.\n\t *\n\t * @see {@link IContainer.readOnlyInfo}\n\t */\n\t(event: \"readonly\", listener: (readonly: boolean) => void): void;\n\n\t/**\n\t * Emitted when the {@link IContainer} completes connecting to the Fluid service.\n\t *\n\t * @remarks Reflects connection state changes against the (delta) service acknowledging ops/edits.\n\t *\n\t * @see\n\t *\n\t * - {@link IContainer.connectionState}\n\t *\n\t * - {@link IContainer.connect}\n\t */\n\t(event: \"connected\", listener: (clientId: string) => void);\n\n\t/**\n\t * Fires when new container code details have been proposed, prior to acceptance.\n\t *\n\t * @remarks Listener parameters:\n\t *\n\t * - `codeDetails`: The code details being proposed.\n\t *\n\t * - `proposal`: NOT RECOMMENDED FOR USE.\n\t *\n\t * @see {@link IContainer.proposeCodeDetails}\n\t */\n\t(\n\t\tevent: \"codeDetailsProposed\",\n\t\tlistener: (codeDetails: IFluidCodeDetails, proposal: ISequencedProposal) => void,\n\t);\n\n\t/**\n\t * Emitted when the {@link IContainer} becomes disconnected from the Fluid service.\n\t *\n\t * @remarks Reflects connection state changes against the (delta) service acknowledging ops/edits.\n\t *\n\t * @see\n\t *\n\t * - {@link IContainer.connectionState}\n\t *\n\t * - {@link IContainer.disconnect}\n\t */\n\t(event: \"disconnected\", listener: () => void);\n\n\t/**\n\t * Emitted when a {@link AttachState.Detached | detached} container begins the process of\n\t * {@link AttachState.Attaching | attached} to the Fluid service.\n\t *\n\t * @see\n\t *\n\t * - {@link IContainer.attachState}\n\t *\n\t * - {@link IContainer.attach}\n\t */\n\t(event: \"attaching\", listener: () => void);\n\n\t/**\n\t * Emitted when the {@link AttachState.Attaching | attaching} process is complete and the container is\n\t * {@link AttachState.Attached | attached} to the Fluid service.\n\t *\n\t * @see\n\t *\n\t * - {@link IContainer.attachState}\n\t *\n\t * - {@link IContainer.attach}\n\t */\n\t(event: \"attached\", listener: () => void);\n\n\t/**\n\t * Emitted when the {@link IContainer} is closed, which permanently disables it.\n\t *\n\t * @remarks Listener parameters:\n\t *\n\t * - `error`: If the container was closed due to error, this will contain details about the error that caused it.\n\t *\n\t * @see {@link IContainer.close}\n\t */\n\t(event: \"closed\", listener: (error?: ICriticalContainerError) => void);\n\n\t/**\n\t * Emitted when the {@link IContainer} is disposed, which permanently disables it.\n\t *\n\t * @remarks Listener parameters:\n\t *\n\t * - `error`: If the container was disposed due to error, this will contain details about the error that caused it.\n\t *\n\t * @see {@link IContainer.dispose}\n\t */\n\t(event: \"disposed\", listener: (error?: ICriticalContainerError) => void);\n\n\t/**\n\t * Emitted when the container encounters a state which may lead to errors, which may be actionable by the consumer.\n\t *\n\t * @remarks\n\t *\n\t * Note: this event is not intended for general use.\n\t * The longer-term intention is to surface warnings more directly on the APIs that produce them.\n\t * For now, use of this should be avoided when possible.\n\t *\n\t * Listener parameters:\n\t *\n\t * - `error`: The warning describing the encountered state.\n\t */\n\t(event: \"warning\", listener: (error: ContainerWarning) => void);\n\n\t/**\n\t * Emitted immediately after processing an incoming operation (op).\n\t *\n\t * @remarks\n\t *\n\t * Note: this event is not intended for general use.\n\t * Prefer to listen to events on the appropriate ultimate recipients of the ops, rather than listening to the\n\t * ops directly on the {@link IContainer}.\n\t *\n\t * Listener parameters:\n\t *\n\t * - `message`: The op that was processed.\n\t */\n\t(event: \"op\", listener: (message: ISequencedDocumentMessage) => void);\n\n\t/**\n\t * Emitted upon the first local change while the Container is in the \"saved\" state.\n\t * That is, when {@link IContainer.isDirty} transitions from `true` to `false`.\n\t *\n\t * @remarks Listener parameters:\n\t *\n\t * - `dirty`: DEPRECATED. This parameter will be removed in a future release.\n\t *\n\t * @see {@link IContainer.isDirty}\n\t */\n\t(event: \"dirty\", listener: (dirty: boolean) => void);\n\n\t/**\n\t * Emitted when all local changes/edits have been acknowledged by the service.\n\t * I.e., when {@link IContainer.isDirty} transitions from `false` to `true`.\n\t *\n\t * @remarks Listener parameters:\n\t *\n\t * - `dirty`: DEPRECATED. This parameter will be removed in a future release.\n\t *\n\t * @see {@link IContainer.isDirty}\n\t */\n\t(event: \"saved\", listener: (dirty: boolean) => void);\n\n\t/**\n\t * Emitted when the some of the properties related to the container are initialized or updated.\n\t * This emitted metadata will the props which are updated. If consumer wants to read full set of\n\t * metadata then they can read it off the container from {@link IContainer.containerMetadata} prop.\n\t */\n\t(event: \"metadataUpdate\", listener: (metadata: Record<string, string>) => void);\n}\n\n/**\n * Namespace for the different connection states a container can be in.\n * PLEASE NOTE: The sequence of the numerical values does no correspond to the typical connection state progression.\n * @public\n */\n// eslint-disable-next-line @typescript-eslint/no-namespace\nexport namespace ConnectionState {\n\t/**\n\t * The container is not connected to the delta server.\n\t * Note - When in this state the container may be about to reconnect,\n\t * or may remain disconnected until explicitly told to connect.\n\t * @public\n\t */\n\texport const Disconnected = 0;\n\t/**\n\t * {@inheritdoc @fluidframework/container-definitions#(ConnectionState:namespace).(Disconnected:variable)}\n\t */\n\texport type Disconnected = typeof Disconnected;\n\n\t/**\n\t * The container is disconnected but actively trying to establish a new connection.\n\t * PLEASE NOTE that this numerical value falls out of the order you may expect for this state.\n\t * @public\n\t */\n\texport const EstablishingConnection = 3;\n\t/**\n\t * {@inheritdoc @fluidframework/container-definitions#(ConnectionState:namespace).(EstablishingConnection:variable)}\n\t */\n\texport type EstablishingConnection = typeof EstablishingConnection;\n\n\t/**\n\t * The container has an inbound connection only, and is catching up to the latest known state from the service.\n\t * @public\n\t */\n\texport const CatchingUp = 1;\n\t/**\n\t * {@inheritdoc @fluidframework/container-definitions#(ConnectionState:namespace).(CatchingUp:variable)}\n\t */\n\texport type CatchingUp = typeof CatchingUp;\n\n\t/**\n\t * The container is fully connected and syncing.\n\t * @public\n\t */\n\texport const Connected = 2;\n\t/**\n\t * {@inheritdoc @fluidframework/container-definitions#(ConnectionState:namespace).(Connected:variable)}\n\t */\n\texport type Connected = typeof Connected;\n}\n\n/**\n * Type defining the different states of connectivity a Container can be in.\n * @public\n */\nexport type ConnectionState =\n\t| ConnectionState.Disconnected\n\t| ConnectionState.EstablishingConnection\n\t| ConnectionState.CatchingUp\n\t| ConnectionState.Connected;\n\n/**\n * The Host's view of a Container and its connection to storage\n * @legacy @beta\n */\nexport interface IContainer extends IEventProvider<IContainerEvents> {\n\t/**\n\t * The Delta Manager supporting the op stream for this Container\n\t */\n\tdeltaManager: IDeltaManager<ISequencedDocumentMessage, IDocumentMessage>;\n\n\t/**\n\t * The collection of write clients which were connected as of the current sequence number.\n\t * Also contains a map of key-value pairs that must be agreed upon by all clients before being accepted.\n\t */\n\tgetQuorum(): IQuorumClients;\n\n\t/**\n\t * Represents the resolved url to the Container.\n\t * Will be undefined only when the container is in the {@link AttachState.Detached | detached} state.\n\t */\n\tresolvedUrl: IResolvedUrl | undefined;\n\n\t/**\n\t * Indicates the attachment state of the container to a host service.\n\t */\n\treadonly attachState: AttachState;\n\n\t/**\n\t * Get the code details that are currently specified for the container.\n\t * @returns The current code details if any are specified, undefined if none are specified.\n\t */\n\tgetSpecifiedCodeDetails(): IFluidCodeDetails | undefined;\n\n\t/**\n\t * Get the code details that were used to load the container.\n\t * @returns The code details that were used to load the container if it is loaded, undefined if it is not yet\n\t * loaded.\n\t */\n\tgetLoadedCodeDetails(): IFluidCodeDetails | undefined;\n\n\t/**\n\t * Returns true if the container has been closed and/or disposed, otherwise false.\n\t */\n\treadonly closed: boolean;\n\n\t/**\n\t * Returns true if the container has been disposed, otherwise false.\n\t */\n\treadonly disposed?: boolean;\n\n\t/**\n\t * Whether or not there are any local changes that have not been saved.\n\t */\n\treadonly isDirty: boolean;\n\n\t/**\n\t * Disposes the container. If not already closed, this acts as a closure and then disposes runtime resources.\n\t * The container is not expected to be used anymore once it is disposed.\n\t *\n\t * @param error - If the container is being disposed due to error, this provides details about the error that\n\t * resulted in disposing it.\n\t */\n\tdispose(error?: ICriticalContainerError): void;\n\n\t/**\n\t * Closes the container.\n\t *\n\t * @param error - If the container is being closed due to error, this provides details about the error that\n\t * resulted in closing it.\n\t */\n\tclose(error?: ICriticalContainerError): void;\n\n\t/**\n\t * Propose new code details that define the code to be loaded for this container's runtime.\n\t *\n\t * The returned promise will be true when the proposal is accepted, and false if the proposal is rejected.\n\t */\n\tproposeCodeDetails(codeDetails: IFluidCodeDetails): Promise<boolean>;\n\n\t/**\n\t * When a container is created in Fluid it starts in detached state,\n\t * which means it is not yet uploaded to server storage and unavailable for other users to open or collaborate with.\n\t * A detached container can be serialized, stored, and rehydrated by the application.\n\t *\n\t * To finish the creation of a container and make it available for other users to open and collaborate with it must be attached,\n\t * which means it is uploaded to server storage. This function accomplishes that.\n\t *\n\t * Use the functionality provided by the driver to craft the IRequest parameter.\n\t * This is usually a free function called createCreateNewRequest, which takes\n\t * strongly typed arguments related to your driver and server.\n\t *\n\t * By default, the container will close if attach fails.\n\t * However, closure can now be avoided in most cased by setting:\n\t * Fluid.Container.DisableCloseOnAttachFailure to true\n\t * via the config provider passed to the loader.\n\t *\n\t * If attach fails, check the closed property to discover if retry is possible.\n\t * If the container is not closed, it is safe to continue editing the container, calling serialize to capture the container's state,\n\t * or try calling attach again.\n\t *\n\t */\n\tattach(\n\t\trequest: IRequest,\n\t\tattachProps?: {\n\t\t\tdeltaConnection?: \"none\" | \"delayed\";\n\t\t},\n\t): Promise<void>;\n\n\t/**\n\t * Capture the state of a container that is not attached or closed.\n\t * This is useful in draft-like scenarios. For example, think of an email draft, where a user can make changes over time,\n\t * but no other users can see or have access to that draft.\n\t *\n\t * This method can only be called when\n\t * the container's closed property is false, and the attachState is not AttachState.Attached.\n\t *\n\t * This method will return a string that includes the full serialized state of the\n\t * container. This string must not be inspected or modified, as the format of the content is not guaranteed.\n\t * @remarks\n\t * Fluid supports rehydrating from strings generated by previous versions, but does not support the content itself being leveraged.\n\t *\n\t * Consider storing this string somewhere durable (e.g. localStorage or IndexedDB) to enable your application to recover it after tab close.\n\t *\n\t * To reload a container from a string your application previously stored, use the Loader method rehydrateDetachedContainerFromSnapshot.\n\t * That method will create a new detached container which matches the state of the previously serialized container.\n\t */\n\tserialize(): string;\n\n\t/**\n\t * Serialize the current state of an attached container so it can be rehydrated later\n\t * to the same position without data loss. The returned blob can be passed back as\n\t * `pendingLocalState` to {@link ILoader.resolve} (or `loadExistingContainer` from\n\t * `@fluidframework/container-loader`).\n\t *\n\t * @remarks\n\t * `IContainer` has three attach states (detached, attaching, attached); `getPendingLocalState`\n\t * is the attached-state capture API. For detached or attaching containers, use\n\t * {@link IContainer.serialize}.\n\t *\n\t * The container's {@link IContainer.closed} property must be false and the container must not\n\t * be {@link IContainer.disposed}; otherwise the implementation throws `UsageError`.\n\t *\n\t * WARNING: misuse of this API can result in duplicate op submission and potential\n\t * document corruption. To prevent container forking, callers must:\n\t *\n\t * - Regenerate the serialization on every reconnect and replace any previously stored copy.\n\t * - Wait until the original container has been closed before rehydrating from its serialized state.\n\t * - Never rehydrate more than one container from the same serialization.\n\t *\n\t * Optional during this minor release to preserve forward-compatibility for external\n\t * implementers of `IContainer`. A future breaking release will make this member required.\n\t */\n\tgetPendingLocalState?(): Promise<string>;\n\n\t/**\n\t * Get an absolute URL for a provided container-relative request URL.\n\t * If the container is not attached, this will return undefined.\n\t *\n\t * @param relativeUrl - A container-relative request URL.\n\t */\n\tgetAbsoluteUrl(relativeUrl: string): Promise<string | undefined>;\n\n\t/**\n\t * Provides the current state of the container's connection to the ordering service.\n\t *\n\t * @remarks Consumers can listen for state changes via the \"connected\" and \"disconnected\" events.\n\t */\n\treadonly connectionState: ConnectionState;\n\n\t/**\n\t * Attempts to connect the container to the delta stream and process ops.\n\t *\n\t * @remarks\n\t *\n\t * {@link IContainer.connectionState} will be set to {@link (ConnectionState:namespace).(Connected:variable)}, and the\n\t * \"connected\" event will be fired if/when connection succeeds.\n\t */\n\tconnect(): void;\n\n\t/**\n\t * Disconnects the container from the delta stream and stops processing ops.\n\t *\n\t * @remarks\n\t *\n\t * {@link IContainer.connectionState} will be set to {@link (ConnectionState:namespace).(Disconnected:variable)}, and the\n\t * \"disconnected\" event will be fired when disconnection completes.\n\t */\n\tdisconnect(): void;\n\n\t/**\n\t * The audience information for all clients currently associated with the document in the current session.\n\t */\n\treadonly audience: IAudience;\n\n\t/**\n\t * The server provided ID of the client.\n\t *\n\t * Set once {@link IContainer.connectionState} is {@link (ConnectionState:namespace).(Connected:variable)},\n\t * otherwise will be `undefined`.\n\t */\n\treadonly clientId?: string | undefined;\n\n\t/**\n\t * Tells if container is in read-only mode.\n\t *\n\t * @remarks\n\t *\n\t * Data stores should listen for \"readonly\" notifications and disallow user making changes to data stores.\n\t * Readonly state can be because of no storage write permission,\n\t * or due to host forcing readonly mode for container.\n\t *\n\t * We do not differentiate here between no write access to storage vs. host disallowing changes to container -\n\t * in all cases container runtime and data stores should respect readonly state and not allow local changes.\n\t *\n\t * It is undefined if we have not yet established websocket connection\n\t * and do not know if user has write access to a file.\n\t */\n\treadonly readOnlyInfo: ReadOnlyInfo;\n\n\t/**\n\t * Allows the host to have the container force to be in read-only mode\n\t * @param readonly - Boolean that toggles if read-only policies will be enforced\n\t */\n\tforceReadonly?(readonly: boolean);\n\n\t/**\n\t * Exposes the entryPoint for the container.\n\t * Use this as the primary way of getting access to the user-defined logic within the container.\n\t */\n\tgetEntryPoint(): Promise<FluidObject>;\n\n\t/**\n\t * Exposes any metadata/props related to the container. This is full set of metadata props which the container wants to\n\t * expose. Whenever container receives updates from `IContainerEvents.metadataUpdate` event, we overwrite only those\n\t * updated props in the update and rest remains the same.\n\t */\n\tcontainerMetadata: Record<string, string>;\n}\n\n/**\n * The Runtime's view of the Loader, used for loading Containers\n * @legacy @beta\n */\nexport interface ILoader extends Partial<IProvideLoader> {\n\t/**\n\t * Resolves the resource specified by the URL + headers contained in the request object\n\t * to the underlying container that will resolve the request.\n\t *\n\t * @remarks\n\t *\n\t * An analogy for this is resolve is a DNS resolve of a Fluid container. Request then executes\n\t * a request against the server found from the resolve step.\n\t *\n\t * When `pendingLocalState` is provided, the resolved container is rehydrated from a blob\n\t * previously produced by {@link IContainer.getPendingLocalState}.\n\t *\n\t * WARNING: misuse of `pendingLocalState` can result in duplicate op submission and potential\n\t * document corruption. To prevent container forking, callers must:\n\t *\n\t * - Pass the most recent blob produced for that container and discard any older serializations.\n\t * - Ensure the original container has been closed before rehydrating from its serialized state.\n\t * - Never rehydrate more than one container from the same blob.\n\t */\n\tresolve(request: IRequest, pendingLocalState?: string): Promise<IContainer>;\n}\n\n/**\n * The Host's view of the Loader, used for loading Containers\n * @legacy @beta\n */\nexport interface IHostLoader extends ILoader {\n\t/**\n\t * Creates a new container using the specified chaincode but in an unattached state. While unattached all\n\t * updates will only be local until the user explicitly attaches the container to a service provider.\n\t */\n\tcreateDetachedContainer(\n\t\tcodeDetails: IFluidCodeDetails,\n\t\tcreateDetachedProps?: {\n\t\t\tcanReconnect?: boolean;\n\t\t\tclientDetailsOverride?: IClientDetails;\n\t\t},\n\t): Promise<IContainer>;\n\n\t/**\n\t * Creates a new container using the specified snapshot but in an unattached state. While unattached all\n\t * updates will only be local until the user explicitly attaches the container to a service provider.\n\t */\n\trehydrateDetachedContainerFromSnapshot(\n\t\tsnapshot: string,\n\t\tcreateDetachedProps?: {\n\t\t\tcanReconnect?: boolean;\n\t\t\tclientDetailsOverride?: IClientDetails;\n\t\t},\n\t): Promise<IContainer>;\n}\n\n/**\n * Options to configure various behaviors of the ILoader.\n * @legacy @beta\n */\n// eslint-disable-next-line @typescript-eslint/consistent-type-definitions\nexport type ILoaderOptions = {\n\t/**\n\t * @deprecated This option has been deprecated and will be removed in a future release\n\t * Set caching behavior for the loader. If true, we will load a container from cache if one\n\t * with the same id/version exists or create a new container and cache it if it does not. If\n\t * false, always load a new container and don't cache it. If the container has already been\n\t * closed, it will not be cached. A cache option in the LoaderHeader for an individual\n\t * request will override the Loader's value.\n\t * Defaults to false.\n\t */\n\tcache?: boolean;\n\n\t/**\n\t * @deprecated Do not use.\n\t */\n\tclient?: IClient;\n\n\t/**\n\t * @deprecated Do not use.\n\t */\n\tenableOfflineLoad?: boolean;\n\n\t/**\n\t * Provide the current Loader through the scope object when creating Containers. It is added\n\t * as the `ILoader` property, and will overwrite an existing property of the same name on the\n\t * scope. Useful for when the host wants to provide the current Loader's functionality to\n\t * individual Data Stores, which is typically expected when creating with a Loader.\n\t * Defaults to true.\n\t */\n\tprovideScopeLoader?: boolean;\n\n\t/**\n\t * Max time (in ms) container will wait for a leave message of a disconnected client.\n\t */\n\tmaxClientLeaveWaitTime?: number;\n};\n\n/**\n * Policies to have various behaviors during container create and load.\n * @legacy @beta\n */\n// eslint-disable-next-line @typescript-eslint/consistent-type-definitions\nexport type IContainerPolicies = {\n\t/**\n\t * Max time (in ms) container will wait for a leave message of a disconnected client.\n\t */\n\tmaxClientLeaveWaitTime?: number;\n};\n\n/**\n * Accepted header keys for requests coming to the Loader\n * @legacy @beta\n */\nexport enum LoaderHeader {\n\t/**\n\t * @deprecated This header has been deprecated and will be removed in a future release\n\t * Override the Loader's default caching behavior for this container.\n\t */\n\tcache = \"fluid-cache\",\n\n\tclientDetails = \"fluid-client-details\",\n\n\t/**\n\t * Start the container in a paused, unconnected state. Defaults to false\n\t */\n\tloadMode = \"loadMode\",\n\treconnect = \"fluid-reconnect\",\n\t/**\n\t * Loads the container to at least the specified sequence number.\n\t * If not defined, behavior will fall back to `IContainerLoadMode.opsBeforeReturn`.\n\t */\n\tsequenceNumber = \"fluid-sequence-number\",\n\n\t/**\n\t * One of the following:\n\t * null or \"null\": use ops, no snapshots\n\t * undefined: fetch latest snapshot\n\t * otherwise, version sha to load snapshot\n\t */\n\tversion = \"version\",\n}\n\n/**\n * @legacy @beta\n */\nexport interface IContainerLoadMode {\n\topsBeforeReturn?: /*\n\t * No trailing ops are applied before container is returned.\n\t * Default value.\n\t */\n\t\t| undefined\n\t\t/*\n\t\t * Only cached trailing ops are applied before returning container.\n\t\t * Caching is optional and could be implemented by the driver.\n\t\t * If driver does not implement any kind of local caching strategy, this is same as above.\n\t\t * Driver may cache a lot of ops, so care needs to be exercised (see below).\n\t\t */\n\t\t| \"cached\"\n\t\t/*\n\t\t * All trailing ops in storage are fetched and applied before container is returned\n\t\t * This mode might have significant impact on boot speed (depends on storage perf characteristics)\n\t\t * Also there might be a lot of trailing ops and applying them might take time, so hosts are\n\t\t * recommended to have some progress UX / cancellation built into loading flow when using this option.\n\t\t * WARNING: This is the only option that may result in unbound wait. If machine is offline or hits some other\n\t\t * errors (like 429s), it may get into inifinite retry loop, with no ability to observe or cancel that process.\n\t\t */\n\t\t| \"all\";\n\n\tdeltaConnection?: /*\n\t * Connection to delta stream is made only when Container.connect() call is made. Op processing\n\t * is paused (when container is returned from Loader.resolve()) until Container.connect() call is made.\n\t */\n\t\t| \"none\"\n\t\t/*\n\t\t * Connection to delta stream is made only when Container.connect() call is made.\n\t\t * Op fetching from storage is performed and ops are applied as they come in.\n\t\t * This is useful option if connection to delta stream is expensive and thus it's beneficial to move it\n\t\t * out from critical boot sequence, but it's beneficial to allow catch up to happen as fast as possible.\n\t\t */\n\t\t| \"delayed\"\n\t\t/*\n\t\t * Connection to delta stream is made right away.\n\t\t * Ops processing is enabled and ops are flowing through the system.\n\t\t * Default value.\n\t\t */\n\t\t| undefined;\n}\n\n/**\n * Set of Request Headers that the Loader understands and may inspect or modify\n * @internal\n */\nexport interface ILoaderHeader {\n\t[LoaderHeader.clientDetails]: IClientDetails;\n\t[LoaderHeader.loadMode]: IContainerLoadMode;\n\t[LoaderHeader.reconnect]: boolean;\n\t[LoaderHeader.version]: string | undefined;\n}\n\n/**\n * @legacy @beta\n */\nexport interface IProvideLoader {\n\treadonly ILoader: ILoader;\n}\n\n/**\n * This is used when we rehydrate a container from the snapshot. Here we put the blob contents\n * in separate property: {@link ISnapshotTreeWithBlobContents.blobsContents}.\n *\n * @remarks This is used as the `ContainerContext`'s base snapshot when attaching.\n * @legacy @beta\n */\nexport interface ISnapshotTreeWithBlobContents extends ISnapshotTree {\n\tblobsContents?: { [path: string]: ArrayBufferLike };\n\ttrees: { [path: string]: ISnapshotTreeWithBlobContents };\n}\n"]}

package.json

 {
   "name": "@fluidframework/container-definitions",
-  "version": "2.101.1",
+  "version": "2.102.0",
   "description": "Fluid container definitions",
@@ -50,4 +50,4 @@ "homepage": "https://fluidframework.com",
   "dependencies": {
-    "@fluidframework/core-interfaces": "~2.101.1",
-    "@fluidframework/driver-definitions": "~2.101.1"
+    "@fluidframework/core-interfaces": "~2.102.0",
+    "@fluidframework/driver-definitions": "~2.102.0"
   },
@@ -60,3 +60,3 @@ "devDependencies": {
     "@fluidframework/build-tools": "^0.65.0",
-    "@fluidframework/container-definitions-previous": "npm:@fluidframework/container-definitions@2.92.0",
+    "@fluidframework/container-definitions-previous": "npm:@fluidframework/container-definitions@2.101.0",
     "@fluidframework/eslint-config-fluid": "^9.0.0",
@@ -63,0 +63,0 @@ "@microsoft/api-extractor": "7.58.1",

src/loader.ts

@@ -460,2 +460,28 @@ /*!
 	/**
+	 * Serialize the current state of an attached container so it can be rehydrated later
+	 * to the same position without data loss. The returned blob can be passed back as
+	 * `pendingLocalState` to {@link ILoader.resolve} (or `loadExistingContainer` from
+	 * `@fluidframework/container-loader`).
+	 *
+	 * @remarks
+	 * `IContainer` has three attach states (detached, attaching, attached); `getPendingLocalState`
+	 * is the attached-state capture API. For detached or attaching containers, use
+	 * {@link IContainer.serialize}.
+	 *
+	 * The container's {@link IContainer.closed} property must be false and the container must not
+	 * be {@link IContainer.disposed}; otherwise the implementation throws `UsageError`.
+	 *
+	 * WARNING: misuse of this API can result in duplicate op submission and potential
+	 * document corruption. To prevent container forking, callers must:
+	 *
+	 * - Regenerate the serialization on every reconnect and replace any previously stored copy.
+	 * - Wait until the original container has been closed before rehydrating from its serialized state.
+	 * - Never rehydrate more than one container from the same serialization.
+	 *
+	 * Optional during this minor release to preserve forward-compatibility for external
+	 * implementers of `IContainer`. A future breaking release will make this member required.
+	 */
+	getPendingLocalState?(): Promise<string>;
+
+	/**
 	 * Get an absolute URL for a provided container-relative request URL.
@@ -558,2 +584,12 @@ * If the container is not attached, this will return undefined.
 	 * a request against the server found from the resolve step.
+	 *
+	 * When `pendingLocalState` is provided, the resolved container is rehydrated from a blob
+	 * previously produced by {@link IContainer.getPendingLocalState}.
+	 *
+	 * WARNING: misuse of `pendingLocalState` can result in duplicate op submission and potential
+	 * document corruption. To prevent container forking, callers must:
+	 *
+	 * - Pass the most recent blob produced for that container and discard any older serializations.
+	 * - Ensure the original container has been closed before rehydrating from its serialized state.
+	 * - Never rehydrate more than one container from the same blob.
 	 */
@@ -560,0 +596,0 @@ resolve(request: IRequest, pendingLocalState?: string): Promise<IContainer>;

No alert changes

Improved metrics

Total package byte prevSize

554326

2.18%

Lines of code

6438

1.66%

Dependency changes

• + Added

  @fluidframework/core-interfaces@2.102.0
  (transitive)

• + Added

  @fluidframework/driver-definitions@2.102.0
  (transitive)

• - Removed

  @fluidframework/core-interfaces@2.101.1
  (transitive)

• - Removed

  @fluidframework/driver-definitions@2.101.1
  (transitive)

• Updated

  @fluidframework/core-interfaces@~2.102.0

• Updated

  @fluidframework/driver-definitions@~2.102.0