@fluidframework/runtime-utils - npm Package Compare versions

Comparing version 0.37.0-20427 to 0.37.0-20517

dist/dataStoreHelpers.js

@@ -66,3 +66,3 @@ "use strict";
     }
-    common_utils_1.assert(response.value, "Invalid response value for Fluid object request");
+    common_utils_1.assert(response.value, 0x19a /* "Invalid response value for Fluid object request" */);
     return response.value;
@@ -74,3 +74,3 @@ }
 function createResponseError(status, value, request) {
-    common_utils_1.assert(status !== 200, "Cannot not create response error on 200 status");
+    common_utils_1.assert(status !== 200, 0x19b /* "Cannot not create response error on 200 status" */);
     return {
@@ -77,0 +77,0 @@ mimeType: "text/plain",

dist/dataStoreHelpers.js.map

@@ -1,1 +0,1 @@
-{"version":3,"file":"dataStoreHelpers.js","sourceRoot":"","sources":["../src/dataStoreHelpers.ts"],"names":[],"mappings":";AAAA;;;GAGG;;;AAEH,+DAAsD;AAoBtD,SAAgB,QAAQ;IACpB,MAAM,GAAG,GAAG,IAAI,KAAK,EAAE,CAAC;IACxB,IAAI,GAAG,CAAC,KAAK,KAAK,SAAS,EAAE;QACzB,OAAO,GAAG,CAAC,KAAK,CAAC;KACpB;IACD,IAAI;QACA,MAAM,GAAG,CAAC;KACb;IAAC,OAAO,IAAI,EAAE;QACX,OAAQ,IAAc,CAAC,KAAK,CAAC;KAChC;AACL,CAAC;AAVD,4BAUC;AAED,SAAgB,mBAAmB,CAAC,GAAQ;;IACxC,MAAM,MAAM,GAAG,GAAG,CAAC;IACnB,2CAA2C;IAC3C,IAAI,GAAG,KAAK,IAAI,IAAI,OAAO,GAAG,KAAK,QAAQ,IAAI,GAAG,CAAC,2BAA2B,KAAK,IAAI,EAAE;QACrF,MAAM,WAAW,GAAuB,GAAG,CAAC;QAC5C,OAAO;YACH,QAAQ,EAAE,YAAY;YACtB,MAAM,EAAE,WAAW,CAAC,IAAI;YACxB,KAAK,EAAE,WAAW,CAAC,OAAO;YAC1B,KAAK,QAAE,WAAW,CAAC,KAAK,mCAAI,QAAQ,EAAE;SACzC,CAAC;KACL;IACD,OAAO;QACH,QAAQ,EAAE,YAAY;QACtB,MAAM;QACN,KAAK,EAAE,GAAG,GAAG,EAAE;QACf,KAAK,EAAE,QAAQ,EAAE;KACpB,CAAC;AACN,CAAC;AAlBD,kDAkBC;AAED,SAAgB,mBAAmB,CAAC,QAAmB,EAAE,OAAiB;IACtE,MAAM,OAAO,GAAG,QAAQ,CAAC,KAAK,CAAC;IAC/B,MAAM,GAAG,GAAG,IAAI,KAAK,CAAC,OAAO,CAAC,CAAC;IAC/B,MAAM,WAAW,GAAG,GAAgC,CAAC;IACrD,WAAW,CAAC,2BAA2B,GAAG,IAAI,CAAC;IAC/C,WAAW,CAAC,OAAO,GAAG,OAAO,CAAC;IAC9B,WAAW,CAAC,IAAI,GAAG,QAAQ,CAAC,MAAM,CAAC;IACnC,IAAI,QAAQ,CAAC,KAAK,KAAK,SAAS,EAAE;QAC9B,IAAI;YACA,oDAAoD;YACpD,WAAW,CAAC,KAAK,GAAG,QAAQ,CAAC,KAAK,CAAC;SACtC;QAAC,OAAO,IAAI,EAAE,GAAE;KACpB;IACD,OAAO,GAAG,CAAC;AACf,CAAC;AAdD,kDAcC;AAEM,KAAK,UAAU,kBAAkB,CACpC,MAAoB,EAAE,GAAsB;IAC5C,MAAM,OAAO,GAAG,OAAO,GAAG,KAAK,QAAQ,CAAC,CAAC,CAAC,EAAE,GAAG,EAAE,CAAC,CAAC,CAAC,GAAG,CAAC;IACxD,MAAM,QAAQ,GAAG,MAAM,MAAM,CAAC,OAAO,CAAC,OAAO,CAAC,CAAC;IAE/C,IAAI,QAAQ,CAAC,MAAM,KAAK,GAAG,IAAI,QAAQ,CAAC,QAAQ,KAAK,cAAc,EAAE;QACjE,MAAM,mBAAmB,CAAC,QAAQ,EAAE,OAAO,CAAC,CAAC;KAChD;IAED,qBAAM,CAAC,QAAQ,CAAC,KAAK,EAAE,iDAAiD,CAAC,CAAC;IAC1E,OAAO,QAAQ,CAAC,KAAU,CAAC;AAC/B,CAAC;AAXD,gDAWC;AAEM,MAAM,iBAAiB,GAAG,CAAC,OAAiB,EAAE,EAAE,CAAC,mBAAmB,CAAC,GAAG,EAAE,WAAW,EAAE,OAAO,CAAC,CAAC;AAA1F,QAAA,iBAAiB,qBAAyE;AAEvG,SAAgB,mBAAmB,CAAC,MAAc,EAAE,KAAa,EAAE,OAAiB;IAChF,qBAAM,CAAC,MAAM,KAAK,GAAG,EAAE,gDAAgD,CAAC,CAAC;IACzE,OAAO;QACH,QAAQ,EAAE,YAAY;QACtB,MAAM;QACN,KAAK,EAAE,OAAO,CAAC,GAAG,KAAK,SAAS,CAAC,CAAC,CAAC,KAAK,CAAC,CAAC,CAAC,GAAG,KAAK,KAAK,OAAO,CAAC,GAAG,EAAE;QACrE,KAAK,EAAE,QAAQ,EAAE;KACpB,CAAC;AACN,CAAC;AARD,kDAQC;AAID,+DAA+D;AAC/D,SAAgB,sBAAsB,CAClC,IAAY,EACZ,OAAmC;IAGnC,OAAO;QACH,IAAI;QACJ,IAAI,sBAAsB,KAAK,OAAO,IAAI,CAAC,CAAC,CAAC;QAC7C,IAAI,uBAAuB,KAAK,OAAO,IAAI,CAAC,CAAC,CAAC;QAC9C,oBAAoB,EAAE,KAAK,EAAE,OAAO,EAAE,EAAE,CAAC,CAAC,MAAM,OAAO,CAAC,CAAC,oBAAoB,CAAC,OAAO,CAAC;QACtF,GAAG,EAAE,KAAK,EAAE,IAAY,EAAE,EAAE,wBAAC,CAAC,MAAM,OAAO,CAAC,CAAC,uBAAuB,0CAAE,GAAG,CAAC,IAAI,IAAC;KAClF,CAAC;AACN,CAAC;AAZD,wDAYC","sourcesContent":["/*!\n * Copyright (c) Microsoft Corporation. All rights reserved.\n * Licensed under the MIT License.\n */\n\nimport { assert } from \"@fluidframework/common-utils\";\nimport {\n    IFluidObject,\n    IFluidRouter,\n    IRequest,\n    IResponse,\n} from \"@fluidframework/core-interfaces\";\nimport {\n    IFluidDataStoreFactory,\n    IFluidDataStoreRegistry,\n    IProvideFluidDataStoreRegistry,\n} from \"@fluidframework/runtime-definitions\";\n\ninterface IResponseException extends Error {\n    errorFromRequestFluidObject: true;\n    message: string;\n    code: number;\n    stack: string;\n}\n\nexport function getStack() {\n    const err = new Error();\n    if (err.stack !== undefined) {\n        return err.stack;\n    }\n    try {\n        throw err;\n    } catch (err2) {\n        return (err2 as Error).stack;\n    }\n}\n\nexport function exceptionToResponse(err: any): IResponse {\n    const status = 500;\n    // eslint-disable-next-line no-null/no-null\n    if (err !== null && typeof err === \"object\" && err.errorFromRequestFluidObject === true) {\n        const responseErr: IResponseException = err;\n        return {\n            mimeType: \"text/plain\",\n            status: responseErr.code,\n            value: responseErr.message,\n            stack: responseErr.stack ?? getStack(),\n        };\n    }\n    return {\n        mimeType: \"text/plain\",\n        status,\n        value: `${err}`,\n        stack: getStack(),\n    };\n}\n\nexport function responseToException(response: IResponse, request: IRequest) {\n    const message = response.value;\n    const err = new Error(message);\n    const responseErr = err as any as IResponseException;\n    responseErr.errorFromRequestFluidObject = true;\n    responseErr.message = message;\n    responseErr.code = response.status;\n    if (response.stack !== undefined) {\n        try {\n            // not clear if all browsers allow overwriting stack\n            responseErr.stack = response.stack;\n        } catch (err2) {}\n    }\n    return err;\n}\n\nexport async function requestFluidObject<T = IFluidObject>(\n    router: IFluidRouter, url: string | IRequest): Promise<T> {\n    const request = typeof url === \"string\" ? { url } : url;\n    const response = await router.request(request);\n\n    if (response.status !== 200 || response.mimeType !== \"fluid/object\") {\n        throw responseToException(response, request);\n    }\n\n    assert(response.value, \"Invalid response value for Fluid object request\");\n    return response.value as T;\n}\n\nexport const create404Response = (request: IRequest) => createResponseError(404, \"not found\", request);\n\nexport function createResponseError(status: number, value: string, request: IRequest): IResponse {\n    assert(status !== 200, \"Cannot not create response error on 200 status\");\n    return {\n        mimeType: \"text/plain\",\n        status,\n        value: request.url === undefined ? value : `${value}: ${request.url}`,\n        stack: getStack(),\n    };\n}\n\nexport type Factory = IFluidDataStoreFactory & Partial<IProvideFluidDataStoreRegistry>;\n\n// eslint-disable-next-line prefer-arrow/prefer-arrow-functions\nexport function createDataStoreFactory(\n    type: string,\n    factory: Factory | Promise<Factory>,\n    ): IFluidDataStoreFactory & IFluidDataStoreRegistry\n{\n    return {\n        type,\n        get IFluidDataStoreFactory() { return this; },\n        get IFluidDataStoreRegistry() { return this; },\n        instantiateDataStore: async (context) => (await factory).instantiateDataStore(context),\n        get: async (name: string) => (await factory).IFluidDataStoreRegistry?.get(name),\n    };\n}\n"]}
+{"version":3,"file":"dataStoreHelpers.js","sourceRoot":"","sources":["../src/dataStoreHelpers.ts"],"names":[],"mappings":";AAAA;;;GAGG;;;AAEH,+DAAsD;AAoBtD,SAAgB,QAAQ;IACpB,MAAM,GAAG,GAAG,IAAI,KAAK,EAAE,CAAC;IACxB,IAAI,GAAG,CAAC,KAAK,KAAK,SAAS,EAAE;QACzB,OAAO,GAAG,CAAC,KAAK,CAAC;KACpB;IACD,IAAI;QACA,MAAM,GAAG,CAAC;KACb;IAAC,OAAO,IAAI,EAAE;QACX,OAAQ,IAAc,CAAC,KAAK,CAAC;KAChC;AACL,CAAC;AAVD,4BAUC;AAED,SAAgB,mBAAmB,CAAC,GAAQ;;IACxC,MAAM,MAAM,GAAG,GAAG,CAAC;IACnB,2CAA2C;IAC3C,IAAI,GAAG,KAAK,IAAI,IAAI,OAAO,GAAG,KAAK,QAAQ,IAAI,GAAG,CAAC,2BAA2B,KAAK,IAAI,EAAE;QACrF,MAAM,WAAW,GAAuB,GAAG,CAAC;QAC5C,OAAO;YACH,QAAQ,EAAE,YAAY;YACtB,MAAM,EAAE,WAAW,CAAC,IAAI;YACxB,KAAK,EAAE,WAAW,CAAC,OAAO;YAC1B,KAAK,QAAE,WAAW,CAAC,KAAK,mCAAI,QAAQ,EAAE;SACzC,CAAC;KACL;IACD,OAAO;QACH,QAAQ,EAAE,YAAY;QACtB,MAAM;QACN,KAAK,EAAE,GAAG,GAAG,EAAE;QACf,KAAK,EAAE,QAAQ,EAAE;KACpB,CAAC;AACN,CAAC;AAlBD,kDAkBC;AAED,SAAgB,mBAAmB,CAAC,QAAmB,EAAE,OAAiB;IACtE,MAAM,OAAO,GAAG,QAAQ,CAAC,KAAK,CAAC;IAC/B,MAAM,GAAG,GAAG,IAAI,KAAK,CAAC,OAAO,CAAC,CAAC;IAC/B,MAAM,WAAW,GAAG,GAAgC,CAAC;IACrD,WAAW,CAAC,2BAA2B,GAAG,IAAI,CAAC;IAC/C,WAAW,CAAC,OAAO,GAAG,OAAO,CAAC;IAC9B,WAAW,CAAC,IAAI,GAAG,QAAQ,CAAC,MAAM,CAAC;IACnC,IAAI,QAAQ,CAAC,KAAK,KAAK,SAAS,EAAE;QAC9B,IAAI;YACA,oDAAoD;YACpD,WAAW,CAAC,KAAK,GAAG,QAAQ,CAAC,KAAK,CAAC;SACtC;QAAC,OAAO,IAAI,EAAE,GAAE;KACpB;IACD,OAAO,GAAG,CAAC;AACf,CAAC;AAdD,kDAcC;AAEM,KAAK,UAAU,kBAAkB,CACpC,MAAoB,EAAE,GAAsB;IAC5C,MAAM,OAAO,GAAG,OAAO,GAAG,KAAK,QAAQ,CAAC,CAAC,CAAC,EAAE,GAAG,EAAE,CAAC,CAAC,CAAC,GAAG,CAAC;IACxD,MAAM,QAAQ,GAAG,MAAM,MAAM,CAAC,OAAO,CAAC,OAAO,CAAC,CAAC;IAE/C,IAAI,QAAQ,CAAC,MAAM,KAAK,GAAG,IAAI,QAAQ,CAAC,QAAQ,KAAK,cAAc,EAAE;QACjE,MAAM,mBAAmB,CAAC,QAAQ,EAAE,OAAO,CAAC,CAAC;KAChD;IAED,qBAAM,CAAC,QAAQ,CAAC,KAAK,EAAE,KAAK,CAAC,uDAAuD,CAAC,CAAC;IACtF,OAAO,QAAQ,CAAC,KAAU,CAAC;AAC/B,CAAC;AAXD,gDAWC;AAEM,MAAM,iBAAiB,GAAG,CAAC,OAAiB,EAAE,EAAE,CAAC,mBAAmB,CAAC,GAAG,EAAE,WAAW,EAAE,OAAO,CAAC,CAAC;AAA1F,QAAA,iBAAiB,qBAAyE;AAEvG,SAAgB,mBAAmB,CAAC,MAAc,EAAE,KAAa,EAAE,OAAiB;IAChF,qBAAM,CAAC,MAAM,KAAK,GAAG,EAAE,KAAK,CAAC,sDAAsD,CAAC,CAAC;IACrF,OAAO;QACH,QAAQ,EAAE,YAAY;QACtB,MAAM;QACN,KAAK,EAAE,OAAO,CAAC,GAAG,KAAK,SAAS,CAAC,CAAC,CAAC,KAAK,CAAC,CAAC,CAAC,GAAG,KAAK,KAAK,OAAO,CAAC,GAAG,EAAE;QACrE,KAAK,EAAE,QAAQ,EAAE;KACpB,CAAC;AACN,CAAC;AARD,kDAQC;AAID,+DAA+D;AAC/D,SAAgB,sBAAsB,CAClC,IAAY,EACZ,OAAmC;IAGnC,OAAO;QACH,IAAI;QACJ,IAAI,sBAAsB,KAAK,OAAO,IAAI,CAAC,CAAC,CAAC;QAC7C,IAAI,uBAAuB,KAAK,OAAO,IAAI,CAAC,CAAC,CAAC;QAC9C,oBAAoB,EAAE,KAAK,EAAE,OAAO,EAAE,EAAE,CAAC,CAAC,MAAM,OAAO,CAAC,CAAC,oBAAoB,CAAC,OAAO,CAAC;QACtF,GAAG,EAAE,KAAK,EAAE,IAAY,EAAE,EAAE,wBAAC,CAAC,MAAM,OAAO,CAAC,CAAC,uBAAuB,0CAAE,GAAG,CAAC,IAAI,IAAC;KAClF,CAAC;AACN,CAAC;AAZD,wDAYC","sourcesContent":["/*!\n * Copyright (c) Microsoft Corporation. All rights reserved.\n * Licensed under the MIT License.\n */\n\nimport { assert } from \"@fluidframework/common-utils\";\nimport {\n    IFluidObject,\n    IFluidRouter,\n    IRequest,\n    IResponse,\n} from \"@fluidframework/core-interfaces\";\nimport {\n    IFluidDataStoreFactory,\n    IFluidDataStoreRegistry,\n    IProvideFluidDataStoreRegistry,\n} from \"@fluidframework/runtime-definitions\";\n\ninterface IResponseException extends Error {\n    errorFromRequestFluidObject: true;\n    message: string;\n    code: number;\n    stack: string;\n}\n\nexport function getStack() {\n    const err = new Error();\n    if (err.stack !== undefined) {\n        return err.stack;\n    }\n    try {\n        throw err;\n    } catch (err2) {\n        return (err2 as Error).stack;\n    }\n}\n\nexport function exceptionToResponse(err: any): IResponse {\n    const status = 500;\n    // eslint-disable-next-line no-null/no-null\n    if (err !== null && typeof err === \"object\" && err.errorFromRequestFluidObject === true) {\n        const responseErr: IResponseException = err;\n        return {\n            mimeType: \"text/plain\",\n            status: responseErr.code,\n            value: responseErr.message,\n            stack: responseErr.stack ?? getStack(),\n        };\n    }\n    return {\n        mimeType: \"text/plain\",\n        status,\n        value: `${err}`,\n        stack: getStack(),\n    };\n}\n\nexport function responseToException(response: IResponse, request: IRequest) {\n    const message = response.value;\n    const err = new Error(message);\n    const responseErr = err as any as IResponseException;\n    responseErr.errorFromRequestFluidObject = true;\n    responseErr.message = message;\n    responseErr.code = response.status;\n    if (response.stack !== undefined) {\n        try {\n            // not clear if all browsers allow overwriting stack\n            responseErr.stack = response.stack;\n        } catch (err2) {}\n    }\n    return err;\n}\n\nexport async function requestFluidObject<T = IFluidObject>(\n    router: IFluidRouter, url: string | IRequest): Promise<T> {\n    const request = typeof url === \"string\" ? { url } : url;\n    const response = await router.request(request);\n\n    if (response.status !== 200 || response.mimeType !== \"fluid/object\") {\n        throw responseToException(response, request);\n    }\n\n    assert(response.value, 0x19a /* \"Invalid response value for Fluid object request\" */);\n    return response.value as T;\n}\n\nexport const create404Response = (request: IRequest) => createResponseError(404, \"not found\", request);\n\nexport function createResponseError(status: number, value: string, request: IRequest): IResponse {\n    assert(status !== 200, 0x19b /* \"Cannot not create response error on 200 status\" */);\n    return {\n        mimeType: \"text/plain\",\n        status,\n        value: request.url === undefined ? value : `${value}: ${request.url}`,\n        stack: getStack(),\n    };\n}\n\nexport type Factory = IFluidDataStoreFactory & Partial<IProvideFluidDataStoreRegistry>;\n\n// eslint-disable-next-line prefer-arrow/prefer-arrow-functions\nexport function createDataStoreFactory(\n    type: string,\n    factory: Factory | Promise<Factory>,\n    ): IFluidDataStoreFactory & IFluidDataStoreRegistry\n{\n    return {\n        type,\n        get IFluidDataStoreFactory() { return this; },\n        get IFluidDataStoreRegistry() { return this; },\n        instantiateDataStore: async (context) => (await factory).instantiateDataStore(context),\n        get: async (name: string) => (await factory).IFluidDataStoreRegistry?.get(name),\n    };\n}\n"]}

dist/objectstoragepartition.js

@@ -17,3 +17,3 @@ "use strict";
         // `path` must not include the trailing separator.
-        common_utils_1.assert(!path.endsWith("/"), "storage service path has trailing separator");
+        common_utils_1.assert(!path.endsWith("/"), 0x19c /* "storage service path has trailing separator" */);
     }
@@ -20,0 +20,0 @@ async readBlob(path) {

dist/objectstoragepartition.js.map

@@ -1,1 +0,1 @@
-{"version":3,"file":"objectstoragepartition.js","sourceRoot":"","sources":["../src/objectstoragepartition.ts"],"names":[],"mappings":";AAAA;;;GAGG;;;AAEH,+DAAsD;AAGtD;;GAEG;AACH,MAAa,sBAAsB;IAC/B,YAA6B,OAA+B,EAAmB,IAAY;QAA9D,YAAO,GAAP,OAAO,CAAwB;QAAmB,SAAI,GAAJ,IAAI,CAAQ;QACvF,kDAAkD;QAClD,qBAAM,CAAC,CAAC,IAAI,CAAC,QAAQ,CAAC,GAAG,CAAC,EAAE,6CAA6C,CAAC,CAAC;IAC/E,CAAC;IAEM,KAAK,CAAC,QAAQ,CAAC,IAAY;QAC9B,OAAO,IAAI,CAAC,OAAO,CAAC,QAAQ,CAAC,GAAG,IAAI,CAAC,IAAI,IAAI,IAAI,EAAE,CAAC,CAAC;IACzD,CAAC;IAEM,KAAK,CAAC,QAAQ,CAAC,IAAY;QAC9B,OAAO,IAAI,CAAC,OAAO,CAAC,QAAQ,CAAC,GAAG,IAAI,CAAC,IAAI,IAAI,IAAI,EAAE,CAAC,CAAC;IACzD,CAAC;IAEM,KAAK,CAAC,IAAI,CAAC,IAAY;QAC1B,OAAO,IAAI,CAAC,OAAO,CAAC,IAAI,CAAC,GAAG,IAAI,CAAC,IAAI,IAAI,IAAI,EAAE,CAAC,CAAC;IACrD,CAAC;CACJ;AAjBD,wDAiBC","sourcesContent":["/*!\n * Copyright (c) Microsoft Corporation. All rights reserved.\n * Licensed under the MIT License.\n */\n\nimport { assert } from \"@fluidframework/common-utils\";\nimport { IChannelStorageService } from \"@fluidframework/datastore-definitions\";\n\n/**\n * Returns a new IChannelStorageService that resolves the given `path` as root.\n */\nexport class ObjectStoragePartition implements IChannelStorageService {\n    constructor(private readonly storage: IChannelStorageService, private readonly path: string) {\n        // `path` must not include the trailing separator.\n        assert(!path.endsWith(\"/\"), \"storage service path has trailing separator\");\n    }\n\n    public async readBlob(path: string): Promise<ArrayBufferLike> {\n        return this.storage.readBlob(`${this.path}/${path}`);\n    }\n\n    public async contains(path: string): Promise<boolean> {\n        return this.storage.contains(`${this.path}/${path}`);\n    }\n\n    public async list(path: string): Promise<string[]> {\n        return this.storage.list(`${this.path}/${path}`);\n    }\n}\n"]}
+{"version":3,"file":"objectstoragepartition.js","sourceRoot":"","sources":["../src/objectstoragepartition.ts"],"names":[],"mappings":";AAAA;;;GAGG;;;AAEH,+DAAsD;AAGtD;;GAEG;AACH,MAAa,sBAAsB;IAC/B,YAA6B,OAA+B,EAAmB,IAAY;QAA9D,YAAO,GAAP,OAAO,CAAwB;QAAmB,SAAI,GAAJ,IAAI,CAAQ;QACvF,kDAAkD;QAClD,qBAAM,CAAC,CAAC,IAAI,CAAC,QAAQ,CAAC,GAAG,CAAC,EAAE,KAAK,CAAC,mDAAmD,CAAC,CAAC;IAC3F,CAAC;IAEM,KAAK,CAAC,QAAQ,CAAC,IAAY;QAC9B,OAAO,IAAI,CAAC,OAAO,CAAC,QAAQ,CAAC,GAAG,IAAI,CAAC,IAAI,IAAI,IAAI,EAAE,CAAC,CAAC;IACzD,CAAC;IAEM,KAAK,CAAC,QAAQ,CAAC,IAAY;QAC9B,OAAO,IAAI,CAAC,OAAO,CAAC,QAAQ,CAAC,GAAG,IAAI,CAAC,IAAI,IAAI,IAAI,EAAE,CAAC,CAAC;IACzD,CAAC;IAEM,KAAK,CAAC,IAAI,CAAC,IAAY;QAC1B,OAAO,IAAI,CAAC,OAAO,CAAC,IAAI,CAAC,GAAG,IAAI,CAAC,IAAI,IAAI,IAAI,EAAE,CAAC,CAAC;IACrD,CAAC;CACJ;AAjBD,wDAiBC","sourcesContent":["/*!\n * Copyright (c) Microsoft Corporation. All rights reserved.\n * Licensed under the MIT License.\n */\n\nimport { assert } from \"@fluidframework/common-utils\";\nimport { IChannelStorageService } from \"@fluidframework/datastore-definitions\";\n\n/**\n * Returns a new IChannelStorageService that resolves the given `path` as root.\n */\nexport class ObjectStoragePartition implements IChannelStorageService {\n    constructor(private readonly storage: IChannelStorageService, private readonly path: string) {\n        // `path` must not include the trailing separator.\n        assert(!path.endsWith(\"/\"), 0x19c /* \"storage service path has trailing separator\" */);\n    }\n\n    public async readBlob(path: string): Promise<ArrayBufferLike> {\n        return this.storage.readBlob(`${this.path}/${path}`);\n    }\n\n    public async contains(path: string): Promise<boolean> {\n        return this.storage.contains(`${this.path}/${path}`);\n    }\n\n    public async list(path: string): Promise<string[]> {\n        return this.storage.list(`${this.path}/${path}`);\n    }\n}\n"]}

dist/packageVersion.d.ts

@@ -8,3 +8,3 @@ /*!
 export declare const pkgName = "@fluidframework/runtime-utils";
-export declare const pkgVersion = "0.37.0-20427";
+export declare const pkgVersion = "0.37.0-20517";
 //# sourceMappingURL=packageVersion.d.ts.map

dist/packageVersion.js

@@ -11,3 +11,3 @@ "use strict";
 exports.pkgName = "@fluidframework/runtime-utils";
-exports.pkgVersion = "0.37.0-20427";
+exports.pkgVersion = "0.37.0-20517";
 //# sourceMappingURL=packageVersion.js.map

dist/packageVersion.js.map

@@ -1,1 +0,1 @@
-{"version":3,"file":"packageVersion.js","sourceRoot":"","sources":["../src/packageVersion.ts"],"names":[],"mappings":";AAAA;;;;;GAKG;;;AAEU,QAAA,OAAO,GAAG,+BAA+B,CAAC;AAC1C,QAAA,UAAU,GAAG,cAAc,CAAC","sourcesContent":["/*!\n * Copyright (c) Microsoft Corporation. All rights reserved.\n * Licensed under the MIT License.\n *\n * THIS IS AN AUTOGENERATED FILE. DO NOT EDIT THIS FILE DIRECTLY\n */\n\nexport const pkgName = \"@fluidframework/runtime-utils\";\nexport const pkgVersion = \"0.37.0-20427\";\n"]}
+{"version":3,"file":"packageVersion.js","sourceRoot":"","sources":["../src/packageVersion.ts"],"names":[],"mappings":";AAAA;;;;;GAKG;;;AAEU,QAAA,OAAO,GAAG,+BAA+B,CAAC;AAC1C,QAAA,UAAU,GAAG,cAAc,CAAC","sourcesContent":["/*!\n * Copyright (c) Microsoft Corporation. All rights reserved.\n * Licensed under the MIT License.\n *\n * THIS IS AN AUTOGENERATED FILE. DO NOT EDIT THIS FILE DIRECTLY\n */\n\nexport const pkgName = \"@fluidframework/runtime-utils\";\nexport const pkgVersion = \"0.37.0-20517\";\n"]}

dist/remoteObjectHandle.js

@@ -27,3 +27,3 @@ "use strict";
         this.isAttached = true;
-        common_utils_1.assert(absolutePath.startsWith("/"), "Handles should always have absolute paths");
+        common_utils_1.assert(absolutePath.startsWith("/"), 0x19d /* "Handles should always have absolute paths" */);
     }
@@ -30,0 +30,0 @@ get IFluidRouter() { return this; }

dist/remoteObjectHandle.js.map

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dist/summarizerNode/summarizerNode.d.ts.map

@@ -1,1 +0,1 @@
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dist/summarizerNode/summarizerNode.js

@@ -60,4 +60,4 @@ "use strict";
     startSummary(referenceSequenceNumber, summaryLogger) {
-        common_utils_1.assert(this.wipSummaryLogger === undefined, "wipSummaryLogger should not be set yet in startSummary");
-        common_utils_1.assert(this.wipReferenceSequenceNumber === undefined, "Already tracking a summary");
+        common_utils_1.assert(this.wipSummaryLogger === undefined, 0x19f /* "wipSummaryLogger should not be set yet in startSummary" */);
+        common_utils_1.assert(this.wipReferenceSequenceNumber === undefined, 0x1a0 /* "Already tracking a summary" */);
         this.wipSummaryLogger = summaryLogger;
@@ -70,4 +70,4 @@ for (const child of this.children.values()) {
     async summarize(fullTree) {
-        common_utils_1.assert(this.isTrackingInProgress(), "summarize should not be called when not tracking the summary");
-        common_utils_1.assert(this.wipSummaryLogger !== undefined, "wipSummaryLogger should have been set in startSummary or ctor");
+        common_utils_1.assert(this.isTrackingInProgress(), 0x1a1 /* "summarize should not be called when not tracking the summary" */);
+        common_utils_1.assert(this.wipSummaryLogger !== undefined, 0x1a2 /* "wipSummaryLogger should have been set in startSummary or ctor" */);
         // Try to reuse the tree if unchanged
@@ -152,4 +152,4 @@ if (this.canReuseHandle && !fullTree && !this.hasChanged()) {
     completeSummaryCore(proposalHandle, parentPath, parentSkipRecursion) {
-        common_utils_1.assert(this.wipSummaryLogger !== undefined, "wipSummaryLogger should have been set in startSummary or ctor");
-        common_utils_1.assert(this.wipReferenceSequenceNumber !== undefined, "Not tracking a summary");
+        common_utils_1.assert(this.wipSummaryLogger !== undefined, 0x1a3 /* "wipSummaryLogger should have been set in startSummary or ctor" */);
+        common_utils_1.assert(this.wipReferenceSequenceNumber !== undefined, 0x1a4 /* "Not tracking a summary" */);
         let localPathsToUse = this.wipLocalPaths;
@@ -184,3 +184,3 @@ if (parentSkipRecursion) {
         // If there is no latestSummary, clearSummary and return before reaching this code.
-        common_utils_1.assert(!!localPathsToUse, "Tracked summary local paths not set");
+        common_utils_1.assert(!!localPathsToUse, 0x1a5 /* "Tracked summary local paths not set" */);
         const summary = new summarizerNodeUtils_1.SummaryNode(Object.assign(Object.assign({}, localPathsToUse), { referenceSequenceNumber: this.wipReferenceSequenceNumber, basePath: parentPath }));
@@ -225,3 +225,3 @@ const fullPathForChildren = summary.fullPathForChildren;
             // This should only happen if parent skipped recursion AND no prior summary existed.
-            common_utils_1.assert(this.latestSummary === undefined, "Not found pending summary, but this node has previously completed a summary");
+            common_utils_1.assert(this.latestSummary === undefined, 0x1a6 /* "Not found pending summary, but this node has previously completed a summary" */);
             return;
@@ -232,3 +232,3 @@ }
             // eslint-disable-next-line max-len
-            `Pending summary reference sequence number should be consistent: ${summaryNode.referenceSequenceNumber} != ${referenceSequenceNumber}`);
+            0x1a7 /* `Pending summary reference sequence number should be consistent: ${summaryNode.referenceSequenceNumber} != ${referenceSequenceNumber}` */);
             // Clear earlier pending summaries
@@ -308,3 +308,3 @@ this.pendingSummaries.delete(proposalHandle);
             const newOpsLatestSeq = outstandingOps[outstandingOps.length - 1].sequenceNumber;
-            common_utils_1.assert(newOpsLatestSeq <= this.trackingSequenceNumber, "When loading base summary, expected outstanding ops <= tracking sequence number");
+            common_utils_1.assert(newOpsLatestSeq <= this.trackingSequenceNumber, 0x1a9 /* "When loading base summary, expected outstanding ops <= tracking sequence number" */);
         }
@@ -319,3 +319,3 @@ return {
         if (lastOp !== undefined) {
-            common_utils_1.assert(lastOp.sequenceNumber < op.sequenceNumber, `Out of order change recorded: ${lastOp.sequenceNumber} > ${op.sequenceNumber}`);
+            common_utils_1.assert(lastOp.sequenceNumber < op.sequenceNumber, 0x1aa /* `Out of order change recorded: ${lastOp.sequenceNumber} > ${op.sequenceNumber}` */);
         }
@@ -350,3 +350,3 @@ this.invalidate(op.sequenceNumber);
     createParam, config = {}) {
-        common_utils_1.assert(!this.children.has(id), "Create SummarizerNode child already exists");
+        common_utils_1.assert(!this.children.has(id), 0x1ab /* "Create SummarizerNode child already exists" */);
         const createDetails = this.getCreateDetailsForChild(id, createParam);
@@ -395,3 +395,3 @@ const child = new SummarizerNode(this.defaultLogger, summarizeInternalFn, config, createDetails.changeSequenceNumber, createDetails.latestSummary, createDetails.initialSummary, this.wipSummaryLogger);
                 if (this.initialSummary === undefined) {
-                    common_utils_1.assert(!!parentLatestSummary, "Cannot create child from summary if parent does not have latest summary");
+                    common_utils_1.assert(!!parentLatestSummary, 0x1ac /* "Cannot create child from summary if parent does not have latest summary" */);
                 }
@@ -406,3 +406,3 @@ // fallthrough to local
                         const { childrenTree } = summarizerNodeUtils_1.parseSummaryTreeForSubtrees(parentInitialSummary.summary.summary);
-                        common_utils_1.assert(childrenTree.type === 1 /* Tree */, "Parent summary object is not a tree");
+                        common_utils_1.assert(childrenTree.type === 1 /* Tree */, 0x1d6 /* "Parent summary object is not a tree" */);
                         childSummary = childrenTree.tree[id];
@@ -412,7 +412,7 @@ }
                         // Locally created would not have differential subtree.
-                        common_utils_1.assert(!!childSummary, "Missing child summary tree");
+                        common_utils_1.assert(!!childSummary, 0x1ad /* "Missing child summary tree" */);
                     }
                     let childSummaryWithStats;
                     if (childSummary !== undefined) {
-                        common_utils_1.assert(childSummary.type === 1 /* Tree */, "Child summary object is not a tree");
+                        common_utils_1.assert(childSummary.type === 1 /* Tree */, 0x1ae /* "Child summary object is not a tree" */);
                         childSummaryWithStats = {
@@ -419,0 +419,0 @@ summary: childSummary,

dist/summarizerNode/summarizerNode.js.map

@@ -1,1 +0,1 @@
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* Copyright (c) Microsoft Corporation. All rights reserved.\n * Licensed under the MIT License.\n */\n\nimport {\n    ISummarizerNode,\n    ISummarizerNodeConfig,\n    ISummarizeInternalResult,\n    ISummarizeResult,\n    ISummaryTreeWithStats,\n    CreateChildSummarizerNodeParam,\n    CreateSummarizerNodeSource,\n} from \"@fluidframework/runtime-definitions\";\nimport {\n    ISequencedDocumentMessage,\n    SummaryType,\n    ISnapshotTree,\n    SummaryObject,\n} from \"@fluidframework/protocol-definitions\";\nimport { ITelemetryLogger } from \"@fluidframework/common-definitions\";\nimport { assert, unreachableCase } from \"@fluidframework/common-utils\";\nimport { mergeStats, convertToSummaryTree, calculateStats } from \"../summaryUtils\";\nimport {\n    decodeSummary,\n    encodeSummary,\n    EncodeSummaryParam,\n    EscapedPath,\n    ICreateChildDetails,\n    IInitialSummary,\n    ISummarizerNodeRootContract,\n    parseSummaryForSubtrees,\n    parseSummaryTreeForSubtrees,\n    ReadAndParseBlob,\n    seqFromTree,\n    SummaryNode,\n} from \"./summarizerNodeUtils\";\n\nexport interface IRootSummarizerNode extends ISummarizerNode, ISummarizerNodeRootContract {}\n\n/**\n * Encapsulates the summarizing work and state of an individual tree node in the\n * summary tree. It tracks changes and allows for optimizations when unchanged, or\n * can allow for fallback summaries to be generated when an error is encountered.\n * Usage is for the root node to call startSummary first to begin tracking a WIP\n * (work in progress) summary. Then all nodes will call summarize to summaries their\n * individual parts. Once completed and uploaded to storage, the root node will call\n * completeSummary or clearSummary to clear the WIP summary tracking state if something\n * went wrong. The SummarizerNodes will track all pending summaries that have been\n * recorded by the completeSummary call. When one of them is acked, the root node should\n * call refreshLatestSummary to inform the tree of SummarizerNodes of the new baseline\n * latest successful summary.\n */\nexport class SummarizerNode implements IRootSummarizerNode {\n    /**\n     * The reference sequence number of the most recent acked summary.\n     * Returns 0 if there is not yet an acked summary.\n     */\n    public get referenceSequenceNumber() {\n        return this.latestSummary?.referenceSequenceNumber ?? 0;\n    }\n\n    protected readonly children = new Map<string, SummarizerNode>();\n    protected readonly pendingSummaries = new Map<string, SummaryNode>();\n    private readonly outstandingOps: ISequencedDocumentMessage[] = [];\n    private wipReferenceSequenceNumber: number | undefined;\n    private wipLocalPaths: { localPath: EscapedPath, additionalPath?: EscapedPath } | undefined;\n    private wipSkipRecursion = false;\n\n    public startSummary(referenceSequenceNumber: number, summaryLogger: ITelemetryLogger) {\n        assert(this.wipSummaryLogger === undefined, \"wipSummaryLogger should not be set yet in startSummary\");\n        assert(this.wipReferenceSequenceNumber === undefined, \"Already tracking a summary\");\n\n        this.wipSummaryLogger = summaryLogger;\n\n        for (const child of this.children.values()) {\n            child.startSummary(referenceSequenceNumber, this.wipSummaryLogger);\n        }\n        this.wipReferenceSequenceNumber = referenceSequenceNumber;\n    }\n\n    public async summarize(fullTree: boolean): Promise<ISummarizeResult> {\n        assert(this.isTrackingInProgress(), \"summarize should not be called when not tracking the summary\");\n        assert(this.wipSummaryLogger !== undefined, \"wipSummaryLogger should have been set in startSummary or ctor\");\n\n        // Try to reuse the tree if unchanged\n        if (this.canReuseHandle && !fullTree && !this.hasChanged()) {\n            const latestSummary = this.latestSummary;\n            if (latestSummary !== undefined) {\n                this.wipLocalPaths = {\n                    localPath: latestSummary.localPath,\n                    additionalPath: latestSummary.additionalPath,\n                };\n                this.wipSkipRecursion = true;\n                const stats = mergeStats();\n                stats.handleNodeCount++;\n                return {\n                    summary: {\n                        type: SummaryType.Handle,\n                        handle: latestSummary.fullPath.path,\n                        handleType: SummaryType.Tree,\n                    },\n                    stats,\n                };\n            }\n        }\n\n        try {\n            const result = await this.summarizeInternalFn(fullTree);\n            this.wipLocalPaths = { localPath: EscapedPath.create(result.id) };\n            if (result.pathPartsForChildren !== undefined) {\n                this.wipLocalPaths.additionalPath = EscapedPath.createAndConcat(result.pathPartsForChildren);\n            }\n            return { summary: result.summary, stats: result.stats };\n        } catch (error) {\n            if (this.throwOnError || this.trackingSequenceNumber < this._changeSequenceNumber) {\n                throw error;\n            }\n            const latestSummary = this.latestSummary;\n            const initialSummary = this.initialSummary;\n\n            let encodeParam: EncodeSummaryParam;\n            let localPath: EscapedPath;\n            if (latestSummary !== undefined) {\n                // Create using handle of latest acked summary\n                encodeParam = {\n                    fromSummary: true,\n                    summaryNode: latestSummary,\n                };\n                localPath = latestSummary.localPath;\n            } else if (initialSummary?.summary !== undefined) {\n                // Create using initial summary from attach op\n                encodeParam = {\n                    fromSummary: false,\n                    initialSummary: initialSummary.summary,\n                };\n                localPath = EscapedPath.create(initialSummary.id);\n            } else {\n                // No base summary to reference\n                throw error;\n            }\n            this.wipSummaryLogger.sendErrorEvent({\n                eventName: \"SummarizingWithBasePlusOps\",\n            },\n            error);\n            const summary = encodeSummary(encodeParam, this.outstandingOps);\n            this.wipLocalPaths = {\n                localPath,\n                additionalPath: summary.additionalPath,\n            };\n            this.wipSkipRecursion = true;\n            return { summary: summary.summary, stats: summary.stats };\n        }\n    }\n\n    /**\n     * Complete the WIP summary for the given proposalHandle\n     */\n    public completeSummary(proposalHandle: string) {\n        this.completeSummaryCore(proposalHandle, undefined, false);\n    }\n\n    /**\n     * Recursive implementation for completeSummary, with additional internal-only parameters\n     */\n    protected completeSummaryCore(\n        proposalHandle: string,\n        parentPath: EscapedPath | undefined,\n        parentSkipRecursion: boolean,\n    ) {\n        assert(this.wipSummaryLogger !== undefined, \"wipSummaryLogger should have been set in startSummary or ctor\");\n        assert(this.wipReferenceSequenceNumber !== undefined, \"Not tracking a summary\");\n        let localPathsToUse = this.wipLocalPaths;\n\n        if (parentSkipRecursion) {\n            const latestSummary = this.latestSummary;\n            if (latestSummary !== undefined) {\n                // This case the parent node created a failure summary or was reused.\n                // This node and all children should only try to reference their path\n                // by its last known good state in the actual summary tree.\n                // If parent fails or is reused, the child summarize is not called so\n                // it did not get a chance to change its paths.\n                // In this case, essentially only propagate the new summary ref seq num.\n                localPathsToUse = {\n                    localPath: latestSummary.localPath,\n                    additionalPath: latestSummary.additionalPath,\n                };\n            } else {\n                // This case the child is added after the latest non-failure summary.\n                // This node and all children should consider themselves as still not\n                // having a successful summary yet.\n                // We cannot \"reuse\" this node if unchanged since that summary, because\n                // handles will be unable to point to that node. It never made it to the\n                // tree itself, and only exists as an attach op in the _outstandingOps.\n                this.clearSummary();\n                return;\n            }\n        }\n\n        // This should come from wipLocalPaths in normal cases, or from the latestSummary\n        // if parentIsFailure or parentIsReused is true.\n        // If there is no latestSummary, clearSummary and return before reaching this code.\n        assert(!!localPathsToUse, \"Tracked summary local paths not set\");\n\n        const summary = new SummaryNode({\n            ...localPathsToUse,\n            referenceSequenceNumber: this.wipReferenceSequenceNumber,\n            basePath: parentPath,\n        });\n        const fullPathForChildren = summary.fullPathForChildren;\n        for (const child of this.children.values()) {\n            child.completeSummaryCore(\n                proposalHandle,\n                fullPathForChildren,\n                this.wipSkipRecursion || parentSkipRecursion,\n            );\n        }\n        // Note that this overwrites existing pending summary with\n        // the same proposalHandle. If proposalHandle is something like\n        // a hash or unique identifier, this should be fine. If storage\n        // can return the same proposalHandle for a different summary,\n        // this should still be okay, because we should be proposing the\n        // newer one later which would have to overwrite the previous one.\n        this.pendingSummaries.set(proposalHandle, summary);\n        this.clearSummary();\n    }\n\n    public clearSummary() {\n        this.wipReferenceSequenceNumber = undefined;\n        this.wipLocalPaths = undefined;\n        this.wipSkipRecursion = false;\n        this.wipSummaryLogger = undefined;\n        for (const child of this.children.values()) {\n            child.clearSummary();\n        }\n    }\n\n    public async refreshLatestSummary(\n        proposalHandle: string | undefined,\n        getSnapshot: () => Promise<ISnapshotTree>,\n        readAndParseBlob: ReadAndParseBlob,\n        correlatedSummaryLogger: ITelemetryLogger,\n    ): Promise<void> {\n        if (proposalHandle !== undefined) {\n            const maybeSummaryNode = this.pendingSummaries.get(proposalHandle);\n\n            if (maybeSummaryNode !== undefined) {\n                this.refreshLatestSummaryFromPending(proposalHandle, maybeSummaryNode.referenceSequenceNumber);\n                return;\n            }\n        }\n\n        const snapshotTree = await getSnapshot();\n        const referenceSequenceNumber = await seqFromTree(snapshotTree, readAndParseBlob);\n        await this.refreshLatestSummaryFromSnapshot(\n            referenceSequenceNumber,\n            snapshotTree,\n            undefined,\n            EscapedPath.create(\"\"),\n            correlatedSummaryLogger,\n            readAndParseBlob,\n        );\n    }\n\n    protected refreshLatestSummaryFromPending(\n        proposalHandle: string,\n        referenceSequenceNumber: number,\n    ): void {\n        const summaryNode = this.pendingSummaries.get(proposalHandle);\n        if (summaryNode === undefined) {\n            // This should only happen if parent skipped recursion AND no prior summary existed.\n            assert(\n                this.latestSummary === undefined,\n                \"Not found pending summary, but this node has previously completed a summary\",\n            );\n            return;\n        } else {\n            assert(\n                referenceSequenceNumber === summaryNode.referenceSequenceNumber,\n                // eslint-disable-next-line max-len\n                `Pending summary reference sequence number should be consistent: ${summaryNode.referenceSequenceNumber} != ${referenceSequenceNumber}`,\n            );\n\n            // Clear earlier pending summaries\n            this.pendingSummaries.delete(proposalHandle);\n        }\n\n        this.refreshLatestSummaryCore(referenceSequenceNumber);\n\n        this.latestSummary = summaryNode;\n\n        // Propagate update to all child nodes\n        for (const child of this.children.values()) {\n            child.refreshLatestSummaryFromPending(proposalHandle, referenceSequenceNumber);\n        }\n    }\n\n    protected async refreshLatestSummaryFromSnapshot(\n        referenceSequenceNumber: number,\n        snapshotTree: ISnapshotTree,\n        basePath: EscapedPath | undefined,\n        localPath: EscapedPath,\n        correlatedSummaryLogger: ITelemetryLogger,\n        readAndParseBlob: ReadAndParseBlob,\n    ): Promise<void> {\n        // Possible re-entrancy. If we have already seen a summary later than this one, ignore it.\n        if (this.referenceSequenceNumber >= referenceSequenceNumber) {\n            return;\n        }\n\n        this.refreshLatestSummaryCore(referenceSequenceNumber);\n\n        const { baseSummary, pathParts } = decodeSummary(snapshotTree, correlatedSummaryLogger);\n\n        this.latestSummary = new SummaryNode({\n            referenceSequenceNumber,\n            basePath,\n            localPath,\n        });\n\n        const { childrenTree, childrenPathPart } = parseSummaryForSubtrees(baseSummary);\n        if (childrenPathPart !== undefined) {\n            pathParts.push(childrenPathPart);\n        }\n\n        if (pathParts.length > 0) {\n            this.latestSummary.additionalPath = EscapedPath.createAndConcat(pathParts);\n        }\n\n        // Propagate update to all child nodes\n        const pathForChildren = this.latestSummary.fullPathForChildren;\n        await Promise.all(Array.from(this.children)\n            .filter(([id]) => {\n                // Assuming subtrees missing from snapshot are newer than the snapshot,\n                // but might be nice to assert this using earliest seq for node.\n                return childrenTree.trees[id] !== undefined;\n            }).map(async ([id, child]) => {\n                return child.refreshLatestSummaryFromSnapshot(\n                    referenceSequenceNumber,\n                    childrenTree.trees[id],\n                    pathForChildren,\n                    EscapedPath.create(id),\n                    correlatedSummaryLogger,\n                    readAndParseBlob,\n                );\n            }));\n    }\n\n    private refreshLatestSummaryCore(referenceSequenceNumber: number): void {\n        for (const [key, value] of this.pendingSummaries) {\n            if (value.referenceSequenceNumber < referenceSequenceNumber) {\n                this.pendingSummaries.delete(key);\n            }\n        }\n\n        // Clear earlier outstanding ops\n        while (\n            this.outstandingOps.length > 0\n            && this.outstandingOps[0].sequenceNumber <= referenceSequenceNumber\n        ) {\n            this.outstandingOps.shift();\n        }\n    }\n\n    public loadBaseSummaryWithoutDifferential(snapshot: ISnapshotTree) {\n        // Check base summary to see if it has any additional path parts\n        // separating child SummarizerNodes. Checks for .channels subtrees.\n        const { childrenPathPart } = parseSummaryForSubtrees(snapshot);\n        if (childrenPathPart !== undefined && this.latestSummary !== undefined) {\n            this.latestSummary.additionalPath = EscapedPath.create(childrenPathPart);\n        }\n    }\n\n    public async loadBaseSummary(\n        snapshot: ISnapshotTree,\n        readAndParseBlob: ReadAndParseBlob,\n    ): Promise<{ baseSummary: ISnapshotTree, outstandingOps: ISequencedDocumentMessage[] }> {\n        const decodedSummary = decodeSummary(snapshot, this.defaultLogger);\n        const outstandingOps = await decodedSummary.getOutstandingOps(readAndParseBlob);\n\n        const { childrenPathPart } = parseSummaryForSubtrees(decodedSummary.baseSummary);\n        if (childrenPathPart !== undefined) {\n            decodedSummary.pathParts.push(childrenPathPart);\n        }\n\n        if (decodedSummary.pathParts.length > 0 && this.latestSummary !== undefined) {\n            this.latestSummary.additionalPath = EscapedPath.createAndConcat(decodedSummary.pathParts);\n        }\n\n        // Defensive assertion: tracking number should already exceed this number.\n        // This is probably a little excessive; can remove when stable.\n        if (outstandingOps.length > 0) {\n            const newOpsLatestSeq = outstandingOps[outstandingOps.length - 1].sequenceNumber;\n            assert(\n                newOpsLatestSeq <= this.trackingSequenceNumber,\n                \"When loading base summary, expected outstanding ops <= tracking sequence number\",\n            );\n        }\n\n        return {\n            baseSummary: decodedSummary.baseSummary,\n            outstandingOps,\n        };\n    }\n\n    public recordChange(op: ISequencedDocumentMessage): void {\n        const lastOp = this.outstandingOps[this.outstandingOps.length - 1];\n        if (lastOp !== undefined) {\n            assert(\n                lastOp.sequenceNumber < op.sequenceNumber,\n                `Out of order change recorded: ${lastOp.sequenceNumber} > ${op.sequenceNumber}`,\n            );\n        }\n        this.invalidate(op.sequenceNumber);\n        this.trackingSequenceNumber = op.sequenceNumber;\n        this.outstandingOps.push(op);\n    }\n\n    public invalidate(sequenceNumber: number): void {\n        if (sequenceNumber > this._changeSequenceNumber) {\n            this._changeSequenceNumber = sequenceNumber;\n        }\n    }\n\n    /**\n     * True if a change has been recorded with sequence number exceeding\n     * the latest successfully acked summary reference sequence number.\n     * False implies that the previous summary can be reused.\n     */\n    protected hasChanged(): boolean {\n        return this._changeSequenceNumber > this.referenceSequenceNumber;\n    }\n\n    private readonly canReuseHandle: boolean;\n    private readonly throwOnError: boolean;\n    private trackingSequenceNumber: number;\n\n    /**\n     * Do not call constructor directly.\n     * Use createRootSummarizerNode to create root node, or createChild to create child nodes.\n     */\n    public constructor(\n        protected readonly defaultLogger: ITelemetryLogger,\n        private readonly summarizeInternalFn: (fullTree: boolean) => Promise<ISummarizeInternalResult>,\n        config: ISummarizerNodeConfig,\n        private _changeSequenceNumber: number,\n        /** Undefined means created without summary */\n        private latestSummary?: SummaryNode,\n        private readonly initialSummary?: IInitialSummary,\n        protected wipSummaryLogger?: ITelemetryLogger,\n    ) {\n        this.canReuseHandle = config.canReuseHandle ?? true;\n        // BUGBUG: Seeing issues with differential summaries.\n        // this will disable them, and throw instead\n        // while we continue to investigate\n        this.throwOnError = true; // config.throwOnFailure ?? false;\n        this.trackingSequenceNumber = this._changeSequenceNumber;\n    }\n\n    public createChild(\n        /** Summarize function */\n        summarizeInternalFn: (fullTree: boolean) => Promise<ISummarizeInternalResult>,\n        /** Initial id or path part of this node */\n        id: string,\n        /**\n         * Information needed to create the node.\n         * If it is from a base summary, it will assert that a summary has been seen.\n         * Attach information if it is created from an attach op.\n         */\n        createParam: CreateChildSummarizerNodeParam,\n        config: ISummarizerNodeConfig = {},\n    ): ISummarizerNode {\n        assert(!this.children.has(id), \"Create SummarizerNode child already exists\");\n\n        const createDetails: ICreateChildDetails = this.getCreateDetailsForChild(id, createParam);\n        const child = new SummarizerNode(\n            this.defaultLogger,\n            summarizeInternalFn,\n            config,\n            createDetails.changeSequenceNumber,\n            createDetails.latestSummary,\n            createDetails.initialSummary,\n            this.wipSummaryLogger,\n        );\n\n        // There may be additional state that has to be updated in this child. For example, if a summary is being\n        // tracked, the child's summary tracking state needs to be updated too.\n        this.maybeUpdateChildState(child);\n\n        this.children.set(id, child);\n        return child;\n    }\n\n    public getChild(id: string): ISummarizerNode | undefined {\n        return this.children.get(id);\n    }\n\n    /**\n     * Returns the details needed to create a child node.\n     * @param id - Initial id or path part of the child node.\n     * @param createParam - Information needed to create the node.\n     * @returns the details needed to create the child node.\n     */\n    protected getCreateDetailsForChild(id: string, createParam: CreateChildSummarizerNodeParam): ICreateChildDetails {\n        let initialSummary: IInitialSummary | undefined;\n        let latestSummary: SummaryNode | undefined;\n        let changeSequenceNumber: number;\n\n        const parentLatestSummary = this.latestSummary;\n        switch (createParam.type) {\n            case CreateSummarizerNodeSource.FromAttach: {\n                if (\n                    parentLatestSummary !== undefined\n                    && createParam.sequenceNumber <= parentLatestSummary.referenceSequenceNumber\n                ) {\n                    // Prioritize latest summary if it was after this node was attached.\n                    latestSummary = parentLatestSummary.createForChild(id);\n                } else {\n                    const summary = convertToSummaryTree(createParam.snapshot) as ISummaryTreeWithStats;\n                    initialSummary = {\n                        sequenceNumber: createParam.sequenceNumber,\n                        id,\n                        summary,\n                    };\n                }\n                changeSequenceNumber = createParam.sequenceNumber;\n                break;\n            }\n            case CreateSummarizerNodeSource.FromSummary: {\n                if (this.initialSummary === undefined) {\n                    assert(\n                        !!parentLatestSummary,\n                        \"Cannot create child from summary if parent does not have latest summary\");\n                }\n                // fallthrough to local\n            }\n            case CreateSummarizerNodeSource.Local: {\n                const parentInitialSummary = this.initialSummary;\n                if (parentInitialSummary !== undefined) {\n                    let childSummary: SummaryObject | undefined;\n                    if (parentInitialSummary.summary !== undefined) {\n                        const { childrenTree } = parseSummaryTreeForSubtrees(parentInitialSummary.summary.summary);\n                        assert(\n                            childrenTree.type === SummaryType.Tree,\n                            \"Parent summary object is not a tree\",\n                        );\n                        childSummary = childrenTree.tree[id];\n                    }\n                    if (createParam.type === CreateSummarizerNodeSource.FromSummary) {\n                        // Locally created would not have differential subtree.\n                        assert(!!childSummary, \"Missing child summary tree\");\n                    }\n                    let childSummaryWithStats: ISummaryTreeWithStats | undefined;\n                    if (childSummary !== undefined) {\n                        assert(\n                            childSummary.type === SummaryType.Tree,\n                            \"Child summary object is not a tree\",\n                        );\n                        childSummaryWithStats = {\n                            summary: childSummary,\n                            stats: calculateStats(childSummary),\n                        };\n                    }\n                    initialSummary = {\n                        sequenceNumber: parentInitialSummary.sequenceNumber,\n                        id,\n                        summary: childSummaryWithStats,\n                    };\n                }\n                latestSummary = parentLatestSummary?.createForChild(id);\n                changeSequenceNumber = parentLatestSummary?.referenceSequenceNumber ?? -1;\n                break;\n            }\n            default: {\n                const type = (createParam as unknown as CreateChildSummarizerNodeParam).type;\n                unreachableCase(createParam, `Unexpected CreateSummarizerNodeSource: ${type}`);\n            }\n        }\n\n        return {\n            initialSummary,\n            latestSummary,\n            changeSequenceNumber,\n        };\n    }\n\n    /**\n     * Updates the state of the child if required. For example, if a summary is currently being  tracked, the child's\n     * summary tracking state needs to be updated too.\n     * @param child - The child node whose state is to be updated.\n     */\n    protected maybeUpdateChildState(child: SummarizerNode) {\n        // If we are tracking a summary, this child was created after the tracking started. So, we need to update the\n        // child's tracking state as well.\n        if (this.isTrackingInProgress()) {\n            child.wipReferenceSequenceNumber = this.wipReferenceSequenceNumber;\n        }\n    }\n\n    /**\n     * Tells whether summary tracking is in progress. True if \"startSummary\" API is called before summarize.\n     */\n    protected isTrackingInProgress(): boolean {\n        return this.wipReferenceSequenceNumber !== undefined;\n    }\n}\n\n/**\n * Creates a root summarizer node.\n * @param logger - Logger to use within SummarizerNode\n * @param summarizeInternalFn - Function to generate summary\n * @param changeSequenceNumber - Sequence number of latest change to new node/subtree\n * @param referenceSequenceNumber - Reference sequence number of last acked summary,\n * or undefined if not loaded from summary\n * @param config - Configure behavior of summarizer node\n */\nexport const createRootSummarizerNode = (\n    logger: ITelemetryLogger,\n    summarizeInternalFn: (fullTree: boolean) => Promise<ISummarizeInternalResult>,\n    changeSequenceNumber: number,\n    referenceSequenceNumber: number | undefined,\n    config: ISummarizerNodeConfig = {},\n): IRootSummarizerNode => new SummarizerNode(\n        logger,\n        summarizeInternalFn,\n        config,\n        changeSequenceNumber,\n        referenceSequenceNumber === undefined ? undefined : SummaryNode.createForRoot(referenceSequenceNumber),\n    );\n"]}
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* Copyright (c) Microsoft Corporation. All rights reserved.\n * Licensed under the MIT License.\n */\n\nimport {\n    ISummarizerNode,\n    ISummarizerNodeConfig,\n    ISummarizeInternalResult,\n    ISummarizeResult,\n    ISummaryTreeWithStats,\n    CreateChildSummarizerNodeParam,\n    CreateSummarizerNodeSource,\n} from \"@fluidframework/runtime-definitions\";\nimport {\n    ISequencedDocumentMessage,\n    SummaryType,\n    ISnapshotTree,\n    SummaryObject,\n} from \"@fluidframework/protocol-definitions\";\nimport { ITelemetryLogger } from \"@fluidframework/common-definitions\";\nimport { assert, unreachableCase } from \"@fluidframework/common-utils\";\nimport { mergeStats, convertToSummaryTree, calculateStats } from \"../summaryUtils\";\nimport {\n    decodeSummary,\n    encodeSummary,\n    EncodeSummaryParam,\n    EscapedPath,\n    ICreateChildDetails,\n    IInitialSummary,\n    ISummarizerNodeRootContract,\n    parseSummaryForSubtrees,\n    parseSummaryTreeForSubtrees,\n    ReadAndParseBlob,\n    seqFromTree,\n    SummaryNode,\n} from \"./summarizerNodeUtils\";\n\nexport interface IRootSummarizerNode extends ISummarizerNode, ISummarizerNodeRootContract {}\n\n/**\n * Encapsulates the summarizing work and state of an individual tree node in the\n * summary tree. It tracks changes and allows for optimizations when unchanged, or\n * can allow for fallback summaries to be generated when an error is encountered.\n * Usage is for the root node to call startSummary first to begin tracking a WIP\n * (work in progress) summary. Then all nodes will call summarize to summaries their\n * individual parts. Once completed and uploaded to storage, the root node will call\n * completeSummary or clearSummary to clear the WIP summary tracking state if something\n * went wrong. The SummarizerNodes will track all pending summaries that have been\n * recorded by the completeSummary call. When one of them is acked, the root node should\n * call refreshLatestSummary to inform the tree of SummarizerNodes of the new baseline\n * latest successful summary.\n */\nexport class SummarizerNode implements IRootSummarizerNode {\n    /**\n     * The reference sequence number of the most recent acked summary.\n     * Returns 0 if there is not yet an acked summary.\n     */\n    public get referenceSequenceNumber() {\n        return this.latestSummary?.referenceSequenceNumber ?? 0;\n    }\n\n    protected readonly children = new Map<string, SummarizerNode>();\n    protected readonly pendingSummaries = new Map<string, SummaryNode>();\n    private readonly outstandingOps: ISequencedDocumentMessage[] = [];\n    private wipReferenceSequenceNumber: number | undefined;\n    private wipLocalPaths: { localPath: EscapedPath, additionalPath?: EscapedPath } | undefined;\n    private wipSkipRecursion = false;\n\n    public startSummary(referenceSequenceNumber: number, summaryLogger: ITelemetryLogger) {\n        assert(this.wipSummaryLogger === undefined,\n            0x19f /* \"wipSummaryLogger should not be set yet in startSummary\" */);\n        assert(this.wipReferenceSequenceNumber === undefined, 0x1a0 /* \"Already tracking a summary\" */);\n\n        this.wipSummaryLogger = summaryLogger;\n\n        for (const child of this.children.values()) {\n            child.startSummary(referenceSequenceNumber, this.wipSummaryLogger);\n        }\n        this.wipReferenceSequenceNumber = referenceSequenceNumber;\n    }\n\n    public async summarize(fullTree: boolean): Promise<ISummarizeResult> {\n        assert(this.isTrackingInProgress(), 0x1a1 /* \"summarize should not be called when not tracking the summary\" */);\n        assert(this.wipSummaryLogger !== undefined,\n            0x1a2 /* \"wipSummaryLogger should have been set in startSummary or ctor\" */);\n\n        // Try to reuse the tree if unchanged\n        if (this.canReuseHandle && !fullTree && !this.hasChanged()) {\n            const latestSummary = this.latestSummary;\n            if (latestSummary !== undefined) {\n                this.wipLocalPaths = {\n                    localPath: latestSummary.localPath,\n                    additionalPath: latestSummary.additionalPath,\n                };\n                this.wipSkipRecursion = true;\n                const stats = mergeStats();\n                stats.handleNodeCount++;\n                return {\n                    summary: {\n                        type: SummaryType.Handle,\n                        handle: latestSummary.fullPath.path,\n                        handleType: SummaryType.Tree,\n                    },\n                    stats,\n                };\n            }\n        }\n\n        try {\n            const result = await this.summarizeInternalFn(fullTree);\n            this.wipLocalPaths = { localPath: EscapedPath.create(result.id) };\n            if (result.pathPartsForChildren !== undefined) {\n                this.wipLocalPaths.additionalPath = EscapedPath.createAndConcat(result.pathPartsForChildren);\n            }\n            return { summary: result.summary, stats: result.stats };\n        } catch (error) {\n            if (this.throwOnError || this.trackingSequenceNumber < this._changeSequenceNumber) {\n                throw error;\n            }\n            const latestSummary = this.latestSummary;\n            const initialSummary = this.initialSummary;\n\n            let encodeParam: EncodeSummaryParam;\n            let localPath: EscapedPath;\n            if (latestSummary !== undefined) {\n                // Create using handle of latest acked summary\n                encodeParam = {\n                    fromSummary: true,\n                    summaryNode: latestSummary,\n                };\n                localPath = latestSummary.localPath;\n            } else if (initialSummary?.summary !== undefined) {\n                // Create using initial summary from attach op\n                encodeParam = {\n                    fromSummary: false,\n                    initialSummary: initialSummary.summary,\n                };\n                localPath = EscapedPath.create(initialSummary.id);\n            } else {\n                // No base summary to reference\n                throw error;\n            }\n            this.wipSummaryLogger.sendErrorEvent({\n                eventName: \"SummarizingWithBasePlusOps\",\n            },\n            error);\n            const summary = encodeSummary(encodeParam, this.outstandingOps);\n            this.wipLocalPaths = {\n                localPath,\n                additionalPath: summary.additionalPath,\n            };\n            this.wipSkipRecursion = true;\n            return { summary: summary.summary, stats: summary.stats };\n        }\n    }\n\n    /**\n     * Complete the WIP summary for the given proposalHandle\n     */\n    public completeSummary(proposalHandle: string) {\n        this.completeSummaryCore(proposalHandle, undefined, false);\n    }\n\n    /**\n     * Recursive implementation for completeSummary, with additional internal-only parameters\n     */\n    protected completeSummaryCore(\n        proposalHandle: string,\n        parentPath: EscapedPath | undefined,\n        parentSkipRecursion: boolean,\n    ) {\n        assert(this.wipSummaryLogger !== undefined,\n            0x1a3 /* \"wipSummaryLogger should have been set in startSummary or ctor\" */);\n        assert(this.wipReferenceSequenceNumber !== undefined, 0x1a4 /* \"Not tracking a summary\" */);\n        let localPathsToUse = this.wipLocalPaths;\n\n        if (parentSkipRecursion) {\n            const latestSummary = this.latestSummary;\n            if (latestSummary !== undefined) {\n                // This case the parent node created a failure summary or was reused.\n                // This node and all children should only try to reference their path\n                // by its last known good state in the actual summary tree.\n                // If parent fails or is reused, the child summarize is not called so\n                // it did not get a chance to change its paths.\n                // In this case, essentially only propagate the new summary ref seq num.\n                localPathsToUse = {\n                    localPath: latestSummary.localPath,\n                    additionalPath: latestSummary.additionalPath,\n                };\n            } else {\n                // This case the child is added after the latest non-failure summary.\n                // This node and all children should consider themselves as still not\n                // having a successful summary yet.\n                // We cannot \"reuse\" this node if unchanged since that summary, because\n                // handles will be unable to point to that node. It never made it to the\n                // tree itself, and only exists as an attach op in the _outstandingOps.\n                this.clearSummary();\n                return;\n            }\n        }\n\n        // This should come from wipLocalPaths in normal cases, or from the latestSummary\n        // if parentIsFailure or parentIsReused is true.\n        // If there is no latestSummary, clearSummary and return before reaching this code.\n        assert(!!localPathsToUse, 0x1a5 /* \"Tracked summary local paths not set\" */);\n\n        const summary = new SummaryNode({\n            ...localPathsToUse,\n            referenceSequenceNumber: this.wipReferenceSequenceNumber,\n            basePath: parentPath,\n        });\n        const fullPathForChildren = summary.fullPathForChildren;\n        for (const child of this.children.values()) {\n            child.completeSummaryCore(\n                proposalHandle,\n                fullPathForChildren,\n                this.wipSkipRecursion || parentSkipRecursion,\n            );\n        }\n        // Note that this overwrites existing pending summary with\n        // the same proposalHandle. If proposalHandle is something like\n        // a hash or unique identifier, this should be fine. If storage\n        // can return the same proposalHandle for a different summary,\n        // this should still be okay, because we should be proposing the\n        // newer one later which would have to overwrite the previous one.\n        this.pendingSummaries.set(proposalHandle, summary);\n        this.clearSummary();\n    }\n\n    public clearSummary() {\n        this.wipReferenceSequenceNumber = undefined;\n        this.wipLocalPaths = undefined;\n        this.wipSkipRecursion = false;\n        this.wipSummaryLogger = undefined;\n        for (const child of this.children.values()) {\n            child.clearSummary();\n        }\n    }\n\n    public async refreshLatestSummary(\n        proposalHandle: string | undefined,\n        getSnapshot: () => Promise<ISnapshotTree>,\n        readAndParseBlob: ReadAndParseBlob,\n        correlatedSummaryLogger: ITelemetryLogger,\n    ): Promise<void> {\n        if (proposalHandle !== undefined) {\n            const maybeSummaryNode = this.pendingSummaries.get(proposalHandle);\n\n            if (maybeSummaryNode !== undefined) {\n                this.refreshLatestSummaryFromPending(proposalHandle, maybeSummaryNode.referenceSequenceNumber);\n                return;\n            }\n        }\n\n        const snapshotTree = await getSnapshot();\n        const referenceSequenceNumber = await seqFromTree(snapshotTree, readAndParseBlob);\n        await this.refreshLatestSummaryFromSnapshot(\n            referenceSequenceNumber,\n            snapshotTree,\n            undefined,\n            EscapedPath.create(\"\"),\n            correlatedSummaryLogger,\n            readAndParseBlob,\n        );\n    }\n\n    protected refreshLatestSummaryFromPending(\n        proposalHandle: string,\n        referenceSequenceNumber: number,\n    ): void {\n        const summaryNode = this.pendingSummaries.get(proposalHandle);\n        if (summaryNode === undefined) {\n            // This should only happen if parent skipped recursion AND no prior summary existed.\n            assert(\n                this.latestSummary === undefined,\n                0x1a6 /* \"Not found pending summary, but this node has previously completed a summary\" */,\n            );\n            return;\n        } else {\n            assert(\n                referenceSequenceNumber === summaryNode.referenceSequenceNumber,\n                // eslint-disable-next-line max-len\n                0x1a7 /* `Pending summary reference sequence number should be consistent: ${summaryNode.referenceSequenceNumber} != ${referenceSequenceNumber}` */,\n            );\n\n            // Clear earlier pending summaries\n            this.pendingSummaries.delete(proposalHandle);\n        }\n\n        this.refreshLatestSummaryCore(referenceSequenceNumber);\n\n        this.latestSummary = summaryNode;\n\n        // Propagate update to all child nodes\n        for (const child of this.children.values()) {\n            child.refreshLatestSummaryFromPending(proposalHandle, referenceSequenceNumber);\n        }\n    }\n\n    protected async refreshLatestSummaryFromSnapshot(\n        referenceSequenceNumber: number,\n        snapshotTree: ISnapshotTree,\n        basePath: EscapedPath | undefined,\n        localPath: EscapedPath,\n        correlatedSummaryLogger: ITelemetryLogger,\n        readAndParseBlob: ReadAndParseBlob,\n    ): Promise<void> {\n        // Possible re-entrancy. If we have already seen a summary later than this one, ignore it.\n        if (this.referenceSequenceNumber >= referenceSequenceNumber) {\n            return;\n        }\n\n        this.refreshLatestSummaryCore(referenceSequenceNumber);\n\n        const { baseSummary, pathParts } = decodeSummary(snapshotTree, correlatedSummaryLogger);\n\n        this.latestSummary = new SummaryNode({\n            referenceSequenceNumber,\n            basePath,\n            localPath,\n        });\n\n        const { childrenTree, childrenPathPart } = parseSummaryForSubtrees(baseSummary);\n        if (childrenPathPart !== undefined) {\n            pathParts.push(childrenPathPart);\n        }\n\n        if (pathParts.length > 0) {\n            this.latestSummary.additionalPath = EscapedPath.createAndConcat(pathParts);\n        }\n\n        // Propagate update to all child nodes\n        const pathForChildren = this.latestSummary.fullPathForChildren;\n        await Promise.all(Array.from(this.children)\n            .filter(([id]) => {\n                // Assuming subtrees missing from snapshot are newer than the snapshot,\n                // but might be nice to assert this using earliest seq for node.\n                return childrenTree.trees[id] !== undefined;\n            }).map(async ([id, child]) => {\n                return child.refreshLatestSummaryFromSnapshot(\n                    referenceSequenceNumber,\n                    childrenTree.trees[id],\n                    pathForChildren,\n                    EscapedPath.create(id),\n                    correlatedSummaryLogger,\n                    readAndParseBlob,\n                );\n            }));\n    }\n\n    private refreshLatestSummaryCore(referenceSequenceNumber: number): void {\n        for (const [key, value] of this.pendingSummaries) {\n            if (value.referenceSequenceNumber < referenceSequenceNumber) {\n                this.pendingSummaries.delete(key);\n            }\n        }\n\n        // Clear earlier outstanding ops\n        while (\n            this.outstandingOps.length > 0\n            && this.outstandingOps[0].sequenceNumber <= referenceSequenceNumber\n        ) {\n            this.outstandingOps.shift();\n        }\n    }\n\n    public loadBaseSummaryWithoutDifferential(snapshot: ISnapshotTree) {\n        // Check base summary to see if it has any additional path parts\n        // separating child SummarizerNodes. Checks for .channels subtrees.\n        const { childrenPathPart } = parseSummaryForSubtrees(snapshot);\n        if (childrenPathPart !== undefined && this.latestSummary !== undefined) {\n            this.latestSummary.additionalPath = EscapedPath.create(childrenPathPart);\n        }\n    }\n\n    public async loadBaseSummary(\n        snapshot: ISnapshotTree,\n        readAndParseBlob: ReadAndParseBlob,\n    ): Promise<{ baseSummary: ISnapshotTree, outstandingOps: ISequencedDocumentMessage[] }> {\n        const decodedSummary = decodeSummary(snapshot, this.defaultLogger);\n        const outstandingOps = await decodedSummary.getOutstandingOps(readAndParseBlob);\n\n        const { childrenPathPart } = parseSummaryForSubtrees(decodedSummary.baseSummary);\n        if (childrenPathPart !== undefined) {\n            decodedSummary.pathParts.push(childrenPathPart);\n        }\n\n        if (decodedSummary.pathParts.length > 0 && this.latestSummary !== undefined) {\n            this.latestSummary.additionalPath = EscapedPath.createAndConcat(decodedSummary.pathParts);\n        }\n\n        // Defensive assertion: tracking number should already exceed this number.\n        // This is probably a little excessive; can remove when stable.\n        if (outstandingOps.length > 0) {\n            const newOpsLatestSeq = outstandingOps[outstandingOps.length - 1].sequenceNumber;\n            assert(\n                newOpsLatestSeq <= this.trackingSequenceNumber,\n                0x1a9 /* \"When loading base summary, expected outstanding ops <= tracking sequence number\" */,\n            );\n        }\n\n        return {\n            baseSummary: decodedSummary.baseSummary,\n            outstandingOps,\n        };\n    }\n\n    public recordChange(op: ISequencedDocumentMessage): void {\n        const lastOp = this.outstandingOps[this.outstandingOps.length - 1];\n        if (lastOp !== undefined) {\n            assert(\n                lastOp.sequenceNumber < op.sequenceNumber,\n                0x1aa /* `Out of order change recorded: ${lastOp.sequenceNumber} > ${op.sequenceNumber}` */,\n            );\n        }\n        this.invalidate(op.sequenceNumber);\n        this.trackingSequenceNumber = op.sequenceNumber;\n        this.outstandingOps.push(op);\n    }\n\n    public invalidate(sequenceNumber: number): void {\n        if (sequenceNumber > this._changeSequenceNumber) {\n            this._changeSequenceNumber = sequenceNumber;\n        }\n    }\n\n    /**\n     * True if a change has been recorded with sequence number exceeding\n     * the latest successfully acked summary reference sequence number.\n     * False implies that the previous summary can be reused.\n     */\n    protected hasChanged(): boolean {\n        return this._changeSequenceNumber > this.referenceSequenceNumber;\n    }\n\n    private readonly canReuseHandle: boolean;\n    private readonly throwOnError: boolean;\n    private trackingSequenceNumber: number;\n\n    /**\n     * Do not call constructor directly.\n     * Use createRootSummarizerNode to create root node, or createChild to create child nodes.\n     */\n    public constructor(\n        protected readonly defaultLogger: ITelemetryLogger,\n        private readonly summarizeInternalFn: (fullTree: boolean) => Promise<ISummarizeInternalResult>,\n        config: ISummarizerNodeConfig,\n        private _changeSequenceNumber: number,\n        /** Undefined means created without summary */\n        private latestSummary?: SummaryNode,\n        private readonly initialSummary?: IInitialSummary,\n        protected wipSummaryLogger?: ITelemetryLogger,\n    ) {\n        this.canReuseHandle = config.canReuseHandle ?? true;\n        // BUGBUG: Seeing issues with differential summaries.\n        // this will disable them, and throw instead\n        // while we continue to investigate\n        this.throwOnError = true; // config.throwOnFailure ?? false;\n        this.trackingSequenceNumber = this._changeSequenceNumber;\n    }\n\n    public createChild(\n        /** Summarize function */\n        summarizeInternalFn: (fullTree: boolean) => Promise<ISummarizeInternalResult>,\n        /** Initial id or path part of this node */\n        id: string,\n        /**\n         * Information needed to create the node.\n         * If it is from a base summary, it will assert that a summary has been seen.\n         * Attach information if it is created from an attach op.\n         */\n        createParam: CreateChildSummarizerNodeParam,\n        config: ISummarizerNodeConfig = {},\n    ): ISummarizerNode {\n        assert(!this.children.has(id), 0x1ab /* \"Create SummarizerNode child already exists\" */);\n\n        const createDetails: ICreateChildDetails = this.getCreateDetailsForChild(id, createParam);\n        const child = new SummarizerNode(\n            this.defaultLogger,\n            summarizeInternalFn,\n            config,\n            createDetails.changeSequenceNumber,\n            createDetails.latestSummary,\n            createDetails.initialSummary,\n            this.wipSummaryLogger,\n        );\n\n        // There may be additional state that has to be updated in this child. For example, if a summary is being\n        // tracked, the child's summary tracking state needs to be updated too.\n        this.maybeUpdateChildState(child);\n\n        this.children.set(id, child);\n        return child;\n    }\n\n    public getChild(id: string): ISummarizerNode | undefined {\n        return this.children.get(id);\n    }\n\n    /**\n     * Returns the details needed to create a child node.\n     * @param id - Initial id or path part of the child node.\n     * @param createParam - Information needed to create the node.\n     * @returns the details needed to create the child node.\n     */\n    protected getCreateDetailsForChild(id: string, createParam: CreateChildSummarizerNodeParam): ICreateChildDetails {\n        let initialSummary: IInitialSummary | undefined;\n        let latestSummary: SummaryNode | undefined;\n        let changeSequenceNumber: number;\n\n        const parentLatestSummary = this.latestSummary;\n        switch (createParam.type) {\n            case CreateSummarizerNodeSource.FromAttach: {\n                if (\n                    parentLatestSummary !== undefined\n                    && createParam.sequenceNumber <= parentLatestSummary.referenceSequenceNumber\n                ) {\n                    // Prioritize latest summary if it was after this node was attached.\n                    latestSummary = parentLatestSummary.createForChild(id);\n                } else {\n                    const summary = convertToSummaryTree(createParam.snapshot) as ISummaryTreeWithStats;\n                    initialSummary = {\n                        sequenceNumber: createParam.sequenceNumber,\n                        id,\n                        summary,\n                    };\n                }\n                changeSequenceNumber = createParam.sequenceNumber;\n                break;\n            }\n            case CreateSummarizerNodeSource.FromSummary: {\n                if (this.initialSummary === undefined) {\n                    assert(\n                        !!parentLatestSummary,\n                        0x1ac /* \"Cannot create child from summary if parent does not have latest summary\" */);\n                }\n                // fallthrough to local\n            }\n            case CreateSummarizerNodeSource.Local: {\n                const parentInitialSummary = this.initialSummary;\n                if (parentInitialSummary !== undefined) {\n                    let childSummary: SummaryObject | undefined;\n                    if (parentInitialSummary.summary !== undefined) {\n                        const { childrenTree } = parseSummaryTreeForSubtrees(parentInitialSummary.summary.summary);\n                        assert(\n                            childrenTree.type === SummaryType.Tree,\n                            0x1d6 /* \"Parent summary object is not a tree\" */,\n                        );\n                        childSummary = childrenTree.tree[id];\n                    }\n                    if (createParam.type === CreateSummarizerNodeSource.FromSummary) {\n                        // Locally created would not have differential subtree.\n                        assert(!!childSummary, 0x1ad /* \"Missing child summary tree\" */);\n                    }\n                    let childSummaryWithStats: ISummaryTreeWithStats | undefined;\n                    if (childSummary !== undefined) {\n                        assert(\n                            childSummary.type === SummaryType.Tree,\n                            0x1ae /* \"Child summary object is not a tree\" */,\n                        );\n                        childSummaryWithStats = {\n                            summary: childSummary,\n                            stats: calculateStats(childSummary),\n                        };\n                    }\n                    initialSummary = {\n                        sequenceNumber: parentInitialSummary.sequenceNumber,\n                        id,\n                        summary: childSummaryWithStats,\n                    };\n                }\n                latestSummary = parentLatestSummary?.createForChild(id);\n                changeSequenceNumber = parentLatestSummary?.referenceSequenceNumber ?? -1;\n                break;\n            }\n            default: {\n                const type = (createParam as unknown as CreateChildSummarizerNodeParam).type;\n                unreachableCase(createParam, `Unexpected CreateSummarizerNodeSource: ${type}`);\n            }\n        }\n\n        return {\n            initialSummary,\n            latestSummary,\n            changeSequenceNumber,\n        };\n    }\n\n    /**\n     * Updates the state of the child if required. For example, if a summary is currently being  tracked, the child's\n     * summary tracking state needs to be updated too.\n     * @param child - The child node whose state is to be updated.\n     */\n    protected maybeUpdateChildState(child: SummarizerNode) {\n        // If we are tracking a summary, this child was created after the tracking started. So, we need to update the\n        // child's tracking state as well.\n        if (this.isTrackingInProgress()) {\n            child.wipReferenceSequenceNumber = this.wipReferenceSequenceNumber;\n        }\n    }\n\n    /**\n     * Tells whether summary tracking is in progress. True if \"startSummary\" API is called before summarize.\n     */\n    protected isTrackingInProgress(): boolean {\n        return this.wipReferenceSequenceNumber !== undefined;\n    }\n}\n\n/**\n * Creates a root summarizer node.\n * @param logger - Logger to use within SummarizerNode\n * @param summarizeInternalFn - Function to generate summary\n * @param changeSequenceNumber - Sequence number of latest change to new node/subtree\n * @param referenceSequenceNumber - Reference sequence number of last acked summary,\n * or undefined if not loaded from summary\n * @param config - Configure behavior of summarizer node\n */\nexport const createRootSummarizerNode = (\n    logger: ITelemetryLogger,\n    summarizeInternalFn: (fullTree: boolean) => Promise<ISummarizeInternalResult>,\n    changeSequenceNumber: number,\n    referenceSequenceNumber: number | undefined,\n    config: ISummarizerNodeConfig = {},\n): IRootSummarizerNode => new SummarizerNode(\n        logger,\n        summarizeInternalFn,\n        config,\n        changeSequenceNumber,\n        referenceSequenceNumber === undefined ? undefined : SummaryNode.createForRoot(referenceSequenceNumber),\n    );\n"]}

dist/summarizerNode/summarizerNodeUtils.js

@@ -161,4 +161,4 @@ "use strict";
         }
-        common_utils_1.assert(!!outstandingOpsBlob, "Outstanding ops blob missing, but base summary tree exists");
-        common_utils_1.assert(newBaseSummary !== undefined, "Base summary tree missing, but outstanding ops blob exists");
+        common_utils_1.assert(!!outstandingOpsBlob, 0x1af /* "Outstanding ops blob missing, but base summary tree exists" */);
+        common_utils_1.assert(newBaseSummary !== undefined, 0x1b0 /* "Base summary tree missing, but outstanding ops blob exists" */);
         baseSummary = newBaseSummary;
@@ -165,0 +165,0 @@ pathParts.push(baseSummaryTreeKey);

dist/summarizerNode/summarizerNodeUtils.js.map

@@ -1,1 +0,1 @@
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* Copyright (c) Microsoft Corporation. All rights reserved.\n * Licensed under the MIT License.\n */\n\nimport { ITelemetryLogger } from \"@fluidframework/common-definitions\";\nimport { assert } from \"@fluidframework/common-utils\";\nimport {\n    ISnapshotTree,\n    IDocumentAttributes,\n    ISequencedDocumentMessage,\n    SummaryType,\n    ISummaryTree,\n    SummaryObject,\n} from \"@fluidframework/protocol-definitions\";\nimport { channelsTreeName, ISummaryTreeWithStats } from \"@fluidframework/runtime-definitions\";\nimport { SummaryTreeBuilder } from \"../summaryUtils\";\n\nconst baseSummaryTreeKey = \"_baseSummary\";\nconst outstandingOpsBlobKey = \"_outstandingOps\";\nconst maxDecodeDepth = 100;\n\n/** Reads a blob from storage and parses it from JSON. */\nexport type ReadAndParseBlob = <T>(id: string) => Promise<T>;\n\nexport interface ISummarizerNodeRootContract {\n    startSummary(referenceSequenceNumber: number, summaryLogger: ITelemetryLogger): void;\n    completeSummary(proposalHandle: string): void;\n    clearSummary(): void;\n    refreshLatestSummary(\n        proposalHandle: string | undefined,\n        getSnapshot: () => Promise<ISnapshotTree>,\n        readAndParseBlob: ReadAndParseBlob,\n        correlatedSummaryLogger: ITelemetryLogger,\n    ): Promise<void>;\n}\n\n/**\n * Fetches the sequence number of the snapshot tree by examining the protocol.\n * @param tree - snapshot tree to examine\n * @param readAndParseBlob - function to read blob contents from storage\n * and parse the result from JSON.\n */\nexport async function seqFromTree(\n    tree: ISnapshotTree,\n    readAndParseBlob: ReadAndParseBlob,\n): Promise<number> {\n    const attributesHash = tree.trees[\".protocol\"].blobs.attributes;\n    const attrib = await readAndParseBlob<IDocumentAttributes>(attributesHash);\n    return attrib.sequenceNumber;\n}\n\n/** Path for nodes in a tree with escaped special characters */\nexport class EscapedPath {\n    private constructor(public readonly path: string) { }\n    public static create(path: string): EscapedPath {\n        return new EscapedPath(encodeURIComponent(path));\n    }\n    public static createAndConcat(pathParts: string[]): EscapedPath {\n        let ret = EscapedPath.create(pathParts[0] ?? \"\");\n        for (let i = 1; i < pathParts.length; i++) {\n            ret = ret.concat(EscapedPath.create(pathParts[i]));\n        }\n        return ret;\n    }\n    public toString(): string {\n        return this.path;\n    }\n    public concat(path: EscapedPath): EscapedPath {\n        return new EscapedPath(`${this.path}/${path.path}`);\n    }\n}\n\n/** Information about a summary relevant to a specific node in the tree */\nexport class SummaryNode {\n    /** Creates an instance that is valid for the root with specific basePath and localPath */\n    public static createForRoot(referenceSequenceNumber: number): SummaryNode {\n        return new SummaryNode({\n            referenceSequenceNumber,\n            basePath: undefined,\n            localPath: EscapedPath.create(\"\"), // root hard-coded to \"\"\n        });\n    }\n\n    /** Summary reference sequence number, i.e. last sequence number seen when it was created */\n    public get referenceSequenceNumber(): number {\n        return this.summary.referenceSequenceNumber;\n    }\n    /** Full path to parent node, or undefined if this is the root */\n    public get basePath(): EscapedPath | undefined {\n        return this.summary.basePath;\n    }\n    /** Relative path to this node from its parent node */\n    public get localPath(): EscapedPath {\n        return this.summary.localPath;\n    }\n    /** Relative path from this node to its node innermost base summary */\n    public get additionalPath(): EscapedPath | undefined {\n        return this.summary.additionalPath;\n    }\n    public set additionalPath(additionalPath: EscapedPath | undefined) {\n        this.summary.additionalPath = additionalPath;\n    }\n    constructor(private readonly summary: {\n        readonly referenceSequenceNumber: number,\n        readonly basePath: EscapedPath | undefined,\n        readonly localPath: EscapedPath,\n        additionalPath?: EscapedPath,\n    }) { }\n\n    /** Gets the full path to this node, to be used when sending a handle */\n    public get fullPath(): EscapedPath {\n        return this.basePath?.concat(this.localPath) ?? this.localPath;\n    }\n\n    /**\n     * Gets the full path to this node's innermost base summary.\n     * The children nodes can use this as their basePath to determine their path.\n     */\n    public get fullPathForChildren(): EscapedPath {\n        return this.additionalPath !== undefined\n            ? this.fullPath.concat(this.additionalPath)\n            : this.fullPath;\n    }\n\n    /**\n     * Creates a new node within the same summary for a child of this node.\n     * @param id - id of the child node\n     */\n    public createForChild(id: string): SummaryNode {\n        return new SummaryNode({\n            referenceSequenceNumber: this.referenceSequenceNumber,\n            basePath: this.fullPathForChildren,\n            localPath: EscapedPath.create(id),\n        });\n    }\n}\n\n/** Result from decoding summary which may have been a differential summary. */\ninterface IDecodedSummary {\n    /** The innermost base summary which is not itself a differential summary */\n    readonly baseSummary: ISnapshotTree;\n    /** The entire path name to the innermost base summary */\n    readonly pathParts: string[];\n    /** Function to fetch all outstanding ops since the innermost base summary */\n    getOutstandingOps(readAndParseBlob: ReadAndParseBlob): Promise<ISequencedDocumentMessage[]>;\n}\n\n/**\n * Checks if the snapshot is created by referencing a previous successful\n * summary plus outstanding ops. If so, it will recursively \"decode\" it until\n * it gets to the last successful summary (the base summary) and returns that\n * as well as a function for fetching the outstanding ops. Also returns the\n * full path to the previous base summary for child summarizer nodes to use as\n * their base path when necessary.\n * @param snapshot - snapshot tree to decode\n */\nexport function decodeSummary(\n    snapshot: ISnapshotTree,\n    logger: Pick<ITelemetryLogger, \"sendTelemetryEvent\">,\n): IDecodedSummary {\n    let baseSummary = snapshot;\n    const pathParts: string[] = [];\n    const opsBlobs: string[] = [];\n\n    for (let i = 0; ; i++) {\n        if (i > maxDecodeDepth) {\n            logger.sendTelemetryEvent({\n                eventName: \"DecodeSummaryMaxDepth\",\n                maxDecodeDepth,\n            });\n        }\n        const outstandingOpsBlob = baseSummary.blobs[outstandingOpsBlobKey];\n        const newBaseSummary = baseSummary.trees[baseSummaryTreeKey];\n        if (outstandingOpsBlob === undefined && newBaseSummary === undefined) {\n            return {\n                baseSummary,\n                pathParts,\n                async getOutstandingOps(readAndParseBlob: ReadAndParseBlob) {\n                    let outstandingOps: ISequencedDocumentMessage[] = [];\n                    for (const opsBlob of opsBlobs) {\n                        const newOutstandingOps = await readAndParseBlob<ISequencedDocumentMessage[]>(opsBlob);\n                        if (outstandingOps.length > 0 && newOutstandingOps.length > 0) {\n                            const latestSeq = outstandingOps[outstandingOps.length - 1].sequenceNumber;\n                            const newEarliestSeq = newOutstandingOps[0].sequenceNumber;\n                            if (newEarliestSeq <= latestSeq) {\n                                logger.sendTelemetryEvent({\n                                    eventName:\"DuplicateOutstandingOps\",\n                                    category: \"generic\",\n                                    // eslint-disable-next-line max-len\n                                    message: `newEarliestSeq <= latestSeq in decodeSummary: ${newEarliestSeq} <= ${latestSeq}`,\n                                });\n                                while (newOutstandingOps.length > 0\n                                    && newOutstandingOps[0].sequenceNumber <= latestSeq) {\n                                    newOutstandingOps.shift();\n                                }\n                            }\n                        }\n                        outstandingOps = outstandingOps.concat(newOutstandingOps);\n                    }\n                    return outstandingOps;\n                },\n            };\n        }\n\n        assert(!!outstandingOpsBlob, \"Outstanding ops blob missing, but base summary tree exists\");\n        assert(newBaseSummary !== undefined, \"Base summary tree missing, but outstanding ops blob exists\");\n        baseSummary = newBaseSummary;\n        pathParts.push(baseSummaryTreeKey);\n        opsBlobs.unshift(outstandingOpsBlob);\n    }\n}\n\n/**\n * Summary tree which is a handle of the previous successfully acked summary\n * and a blob of the outstanding ops since that summary.\n */\ninterface IEncodedSummary extends ISummaryTreeWithStats {\n    readonly additionalPath: EscapedPath;\n}\n\n/**\n * Parameter to help encode summary with conditional behavior.\n * When fromSummary is true, it will contain the SummaryNode of\n * its previous summary, which it can use to point to with a handle.\n * When fromSummary is false, it will use an actual summary tree\n * as its base summary in case the first summary is a differential summary.\n */\nexport type EncodeSummaryParam = {\n    fromSummary: true;\n    summaryNode: SummaryNode;\n} | {\n    fromSummary: false;\n    initialSummary: ISummaryTreeWithStats;\n};\n\n/**\n * Creates a summary tree which is a handle of the previous successfully acked summary\n * and a blob of the outstanding ops since that summary. If there is no acked summary yet,\n * it will create with the tree found in the initial attach op and the blob of outstanding ops.\n * @param summaryParam - information about last acked summary and paths to encode if from summary,\n * otherwise the initial summary from the attach op.\n * @param outstandingOps - outstanding ops since last acked summary\n */\nexport function encodeSummary(\n    summaryParam: EncodeSummaryParam,\n    outstandingOps: ISequencedDocumentMessage[],\n): IEncodedSummary {\n    let additionalPath = EscapedPath.create(baseSummaryTreeKey);\n\n    const builder = new SummaryTreeBuilder();\n    builder.addBlob(outstandingOpsBlobKey, JSON.stringify(outstandingOps));\n\n    if (summaryParam.fromSummary) {\n        // Create using handle of latest acked summary\n        const summaryNode = summaryParam.summaryNode;\n        if (summaryNode.additionalPath !== undefined) {\n            additionalPath = additionalPath.concat(summaryNode.additionalPath);\n        }\n        builder.addHandle(baseSummaryTreeKey, SummaryType.Tree, summaryNode.fullPath.path);\n    } else {\n        // Create using initial summary from attach op\n        builder.addWithStats(baseSummaryTreeKey, summaryParam.initialSummary);\n    }\n\n    const summary = builder.getSummaryTree();\n    return {\n        ...summary,\n        additionalPath,\n    };\n}\n\n/**\n * Information about the initial summary tree found from an attach op.\n */\nexport interface IInitialSummary {\n    sequenceNumber: number;\n    id: string;\n    summary: ISummaryTreeWithStats | undefined;\n}\n\n/**\n * Represents the details needed to create a child summarizer node.\n */\nexport interface ICreateChildDetails {\n    /** Summary from attach op if known */\n    initialSummary: IInitialSummary | undefined;\n    /** Latest summary from server node data */\n    latestSummary: SummaryNode | undefined;\n    /** Sequence number of latest known change to the node */\n    changeSequenceNumber: number;\n}\n\nexport interface ISubtreeInfo<T extends ISnapshotTree | SummaryObject> {\n    /** Tree to use to find children subtrees */\n    childrenTree: T,\n    /** Additional path part where children are isolated */\n    childrenPathPart: string | undefined,\n}\n\n/**\n * Checks if the summary contains .channels subtree where the children subtrees\n * would be located if exists.\n * @param baseSummary - summary to check\n */\nexport function parseSummaryForSubtrees(baseSummary: ISnapshotTree): ISubtreeInfo<ISnapshotTree> {\n    // New versions of snapshots have child nodes isolated in .channels subtree\n    const channelsSubtree = baseSummary.trees[channelsTreeName];\n    if (channelsSubtree !== undefined) {\n        return {\n            childrenTree: channelsSubtree,\n            childrenPathPart: channelsTreeName,\n        };\n    }\n    return {\n        childrenTree: baseSummary,\n        childrenPathPart: undefined,\n    };\n}\n\n/**\n * Checks if the summary contains .channels subtree where the children subtrees\n * would be located if exists.\n * @param baseSummary - summary to check\n */\nexport function parseSummaryTreeForSubtrees(summary: ISummaryTree): ISubtreeInfo<SummaryObject> {\n    // New versions of snapshots have child nodes isolated in .channels subtree\n    const channelsSubtree = summary.tree[channelsTreeName];\n    if (channelsSubtree !== undefined) {\n        return {\n            childrenTree: channelsSubtree,\n            childrenPathPart: channelsTreeName,\n        };\n    }\n    return {\n        childrenTree: summary,\n        childrenPathPart: undefined,\n    };\n}\n"]}
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All rights reserved.\n * Licensed under the MIT License.\n */\n\nimport { ITelemetryLogger } from \"@fluidframework/common-definitions\";\nimport { assert } from \"@fluidframework/common-utils\";\nimport {\n    ISnapshotTree,\n    IDocumentAttributes,\n    ISequencedDocumentMessage,\n    SummaryType,\n    ISummaryTree,\n    SummaryObject,\n} from \"@fluidframework/protocol-definitions\";\nimport { channelsTreeName, ISummaryTreeWithStats } from \"@fluidframework/runtime-definitions\";\nimport { SummaryTreeBuilder } from \"../summaryUtils\";\n\nconst baseSummaryTreeKey = \"_baseSummary\";\nconst outstandingOpsBlobKey = \"_outstandingOps\";\nconst maxDecodeDepth = 100;\n\n/** Reads a blob from storage and parses it from JSON. */\nexport type ReadAndParseBlob = <T>(id: string) => Promise<T>;\n\nexport interface ISummarizerNodeRootContract {\n    startSummary(referenceSequenceNumber: number, summaryLogger: ITelemetryLogger): void;\n    completeSummary(proposalHandle: string): void;\n    clearSummary(): void;\n    refreshLatestSummary(\n        proposalHandle: string | undefined,\n        getSnapshot: () => Promise<ISnapshotTree>,\n        readAndParseBlob: ReadAndParseBlob,\n        correlatedSummaryLogger: ITelemetryLogger,\n    ): Promise<void>;\n}\n\n/**\n * Fetches the sequence number of the snapshot tree by examining the protocol.\n * @param tree - snapshot tree to examine\n * @param readAndParseBlob - function to read blob contents from storage\n * and parse the result from JSON.\n */\nexport async function seqFromTree(\n    tree: ISnapshotTree,\n    readAndParseBlob: ReadAndParseBlob,\n): Promise<number> {\n    const attributesHash = tree.trees[\".protocol\"].blobs.attributes;\n    const attrib = await readAndParseBlob<IDocumentAttributes>(attributesHash);\n    return attrib.sequenceNumber;\n}\n\n/** Path for nodes in a tree with escaped special characters */\nexport class EscapedPath {\n    private constructor(public readonly path: string) { }\n    public static create(path: string): EscapedPath {\n        return new EscapedPath(encodeURIComponent(path));\n    }\n    public static createAndConcat(pathParts: string[]): EscapedPath {\n        let ret = EscapedPath.create(pathParts[0] ?? \"\");\n        for (let i = 1; i < pathParts.length; i++) {\n            ret = ret.concat(EscapedPath.create(pathParts[i]));\n        }\n        return ret;\n    }\n    public toString(): string {\n        return this.path;\n    }\n    public concat(path: EscapedPath): EscapedPath {\n        return new EscapedPath(`${this.path}/${path.path}`);\n    }\n}\n\n/** Information about a summary relevant to a specific node in the tree */\nexport class SummaryNode {\n    /** Creates an instance that is valid for the root with specific basePath and localPath */\n    public static createForRoot(referenceSequenceNumber: number): SummaryNode {\n        return new SummaryNode({\n            referenceSequenceNumber,\n            basePath: undefined,\n            localPath: EscapedPath.create(\"\"), // root hard-coded to \"\"\n        });\n    }\n\n    /** Summary reference sequence number, i.e. last sequence number seen when it was created */\n    public get referenceSequenceNumber(): number {\n        return this.summary.referenceSequenceNumber;\n    }\n    /** Full path to parent node, or undefined if this is the root */\n    public get basePath(): EscapedPath | undefined {\n        return this.summary.basePath;\n    }\n    /** Relative path to this node from its parent node */\n    public get localPath(): EscapedPath {\n        return this.summary.localPath;\n    }\n    /** Relative path from this node to its node innermost base summary */\n    public get additionalPath(): EscapedPath | undefined {\n        return this.summary.additionalPath;\n    }\n    public set additionalPath(additionalPath: EscapedPath | undefined) {\n        this.summary.additionalPath = additionalPath;\n    }\n    constructor(private readonly summary: {\n        readonly referenceSequenceNumber: number,\n        readonly basePath: EscapedPath | undefined,\n        readonly localPath: EscapedPath,\n        additionalPath?: EscapedPath,\n    }) { }\n\n    /** Gets the full path to this node, to be used when sending a handle */\n    public get fullPath(): EscapedPath {\n        return this.basePath?.concat(this.localPath) ?? 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If so, it will recursively \"decode\" it until\n * it gets to the last successful summary (the base summary) and returns that\n * as well as a function for fetching the outstanding ops. Also returns the\n * full path to the previous base summary for child summarizer nodes to use as\n * their base path when necessary.\n * @param snapshot - snapshot tree to decode\n */\nexport function decodeSummary(\n    snapshot: ISnapshotTree,\n    logger: Pick<ITelemetryLogger, \"sendTelemetryEvent\">,\n): IDecodedSummary {\n    let baseSummary = snapshot;\n    const pathParts: string[] = [];\n    const opsBlobs: string[] = [];\n\n    for (let i = 0; ; i++) {\n        if (i > maxDecodeDepth) {\n            logger.sendTelemetryEvent({\n                eventName: \"DecodeSummaryMaxDepth\",\n                maxDecodeDepth,\n            });\n        }\n        const outstandingOpsBlob = baseSummary.blobs[outstandingOpsBlobKey];\n        const newBaseSummary = baseSummary.trees[baseSummaryTreeKey];\n        if (outstandingOpsBlob === undefined && newBaseSummary === undefined) {\n            return {\n                baseSummary,\n                pathParts,\n                async getOutstandingOps(readAndParseBlob: ReadAndParseBlob) {\n                    let outstandingOps: ISequencedDocumentMessage[] = [];\n                    for (const opsBlob of opsBlobs) {\n                        const newOutstandingOps = await readAndParseBlob<ISequencedDocumentMessage[]>(opsBlob);\n                        if (outstandingOps.length > 0 && newOutstandingOps.length > 0) {\n                            const latestSeq = outstandingOps[outstandingOps.length - 1].sequenceNumber;\n                            const newEarliestSeq = newOutstandingOps[0].sequenceNumber;\n                            if (newEarliestSeq <= latestSeq) {\n                                logger.sendTelemetryEvent({\n                                    eventName:\"DuplicateOutstandingOps\",\n                                    category: \"generic\",\n                                    // eslint-disable-next-line max-len\n                                    message: `newEarliestSeq <= latestSeq in decodeSummary: ${newEarliestSeq} <= ${latestSeq}`,\n                                });\n                                while (newOutstandingOps.length > 0\n                                    && newOutstandingOps[0].sequenceNumber <= latestSeq) {\n                                    newOutstandingOps.shift();\n                                }\n                            }\n                        }\n                        outstandingOps = outstandingOps.concat(newOutstandingOps);\n                    }\n                    return outstandingOps;\n                },\n            };\n        }\n\n        assert(!!outstandingOpsBlob, 0x1af /* \"Outstanding ops blob missing, but base summary tree exists\" */);\n        assert(newBaseSummary !== undefined, 0x1b0 /* \"Base summary tree missing, but outstanding ops blob exists\" */);\n        baseSummary = newBaseSummary;\n        pathParts.push(baseSummaryTreeKey);\n        opsBlobs.unshift(outstandingOpsBlob);\n    }\n}\n\n/**\n * Summary tree which is a handle of the previous successfully acked summary\n * and a blob of the outstanding ops since that summary.\n */\ninterface IEncodedSummary extends ISummaryTreeWithStats {\n    readonly additionalPath: EscapedPath;\n}\n\n/**\n * Parameter to help encode summary with conditional behavior.\n * When fromSummary is true, it will contain the SummaryNode of\n * its previous summary, which it can use to point to with a handle.\n * When fromSummary is false, it will use an actual summary tree\n * as its base summary in case the first summary is a differential summary.\n */\nexport type EncodeSummaryParam = {\n    fromSummary: true;\n    summaryNode: SummaryNode;\n} | {\n    fromSummary: false;\n    initialSummary: ISummaryTreeWithStats;\n};\n\n/**\n * Creates a summary tree which is a handle of the previous successfully acked summary\n * and a blob of the outstanding ops since that summary. If there is no acked summary yet,\n * it will create with the tree found in the initial attach op and the blob of outstanding ops.\n * @param summaryParam - information about last acked summary and paths to encode if from summary,\n * otherwise the initial summary from the attach op.\n * @param outstandingOps - outstanding ops since last acked summary\n */\nexport function encodeSummary(\n    summaryParam: EncodeSummaryParam,\n    outstandingOps: ISequencedDocumentMessage[],\n): IEncodedSummary {\n    let additionalPath = EscapedPath.create(baseSummaryTreeKey);\n\n    const builder = new SummaryTreeBuilder();\n    builder.addBlob(outstandingOpsBlobKey, JSON.stringify(outstandingOps));\n\n    if (summaryParam.fromSummary) {\n        // Create using handle of latest acked summary\n        const summaryNode = summaryParam.summaryNode;\n        if (summaryNode.additionalPath !== undefined) {\n            additionalPath = additionalPath.concat(summaryNode.additionalPath);\n        }\n        builder.addHandle(baseSummaryTreeKey, SummaryType.Tree, summaryNode.fullPath.path);\n    } else {\n        // Create using initial summary from attach op\n        builder.addWithStats(baseSummaryTreeKey, summaryParam.initialSummary);\n    }\n\n    const summary = builder.getSummaryTree();\n    return {\n        ...summary,\n        additionalPath,\n    };\n}\n\n/**\n * Information about the initial summary tree found from an attach op.\n */\nexport interface IInitialSummary {\n    sequenceNumber: number;\n    id: string;\n    summary: ISummaryTreeWithStats | undefined;\n}\n\n/**\n * Represents the details needed to create a child summarizer node.\n */\nexport interface ICreateChildDetails {\n    /** Summary from attach op if known */\n    initialSummary: IInitialSummary | undefined;\n    /** Latest summary from server node data */\n    latestSummary: SummaryNode | undefined;\n    /** Sequence number of latest known change to the node */\n    changeSequenceNumber: number;\n}\n\nexport interface ISubtreeInfo<T extends ISnapshotTree | SummaryObject> {\n    /** Tree to use to find children subtrees */\n    childrenTree: T,\n    /** Additional path part where children are isolated */\n    childrenPathPart: string | undefined,\n}\n\n/**\n * Checks if the summary contains .channels subtree where the children subtrees\n * would be located if exists.\n * @param baseSummary - summary to check\n */\nexport function parseSummaryForSubtrees(baseSummary: ISnapshotTree): ISubtreeInfo<ISnapshotTree> {\n    // New versions of snapshots have child nodes isolated in .channels subtree\n    const channelsSubtree = baseSummary.trees[channelsTreeName];\n    if (channelsSubtree !== undefined) {\n        return {\n            childrenTree: channelsSubtree,\n            childrenPathPart: channelsTreeName,\n        };\n    }\n    return {\n        childrenTree: baseSummary,\n        childrenPathPart: undefined,\n    };\n}\n\n/**\n * Checks if the summary contains .channels subtree where the children subtrees\n * would be located if exists.\n * @param baseSummary - summary to check\n */\nexport function parseSummaryTreeForSubtrees(summary: ISummaryTree): ISubtreeInfo<SummaryObject> {\n    // New versions of snapshots have child nodes isolated in .channels subtree\n    const channelsSubtree = summary.tree[channelsTreeName];\n    if (channelsSubtree !== undefined) {\n        return {\n            childrenTree: channelsSubtree,\n            childrenPathPart: channelsTreeName,\n        };\n    }\n    return {\n        childrenTree: summary,\n        childrenPathPart: undefined,\n    };\n}\n"]}

dist/summarizerNode/summarizerNodeWithGc.d.ts.map

@@ -1,1 +0,1 @@
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dist/summarizerNode/summarizerNodeWithGc.js

@@ -81,3 +81,3 @@ "use strict";
         if (!this.gcDisabled && this.isTrackingInProgress()) {
-            common_utils_1.assert(this.wipSerializedUsedRoutes !== undefined, "wip used routes should be set if tracking a summary");
+            common_utils_1.assert(this.wipSerializedUsedRoutes !== undefined, 0x1b1 /* "wip used routes should be set if tracking a summary" */);
         }
@@ -88,3 +88,3 @@ // If trackState is true, get summary from base summarizer node which tracks summary state.
             const summarizeResult = await super.summarize(fullTree);
-            // If there is no cached GC data, return empty data in summarize result. It is the caller's responsiblity
+            // If there is no cached GC data, return empty data in summarize result. It is the caller's responsibility
             // to ensure that GC data is available by calling getGCData before calling summarize.
@@ -109,4 +109,4 @@ const gcData = this.gcData !== undefined ? garbage_collector_1.cloneGCData(this.gcData) : { gcNodes: {} };
     async getGCData(fullGC = false) {
-        common_utils_1.assert(!this.gcDisabled, "Getting GC data should not be called when GC is disabled!");
-        common_utils_1.assert(this.getGCDataFn !== undefined, "GC data cannot be retrieved without getGCDataFn");
+        common_utils_1.assert(!this.gcDisabled, 0x1b2 /* "Getting GC data should not be called when GC is disabled!" */);
+        common_utils_1.assert(this.getGCDataFn !== undefined, 0x1b3 /* "GC data cannot be retrieved without getGCDataFn" */);
         // Load GC details from the initial summary, if not already loaded. If this is the first time this function is
@@ -131,3 +131,3 @@ // called and the node's data has not changed since last summary, the GC data in initial details is returned.
         if (!this.gcDisabled) {
-            common_utils_1.assert(this.wipSerializedUsedRoutes === undefined, "We should not already be tracking used routes when to track a new summary");
+            common_utils_1.assert(this.wipSerializedUsedRoutes === undefined, 0x1b4 /* "We should not already be tracking used routes when to track a new summary" */);
             // back-compat: 0.33 - This will be done in `updateUsedRoutes`. Older clients do not have that method, so
@@ -148,3 +148,3 @@ // keeping this one for now.
             wipSerializedUsedRoutes = this.wipSerializedUsedRoutes;
-            common_utils_1.assert(wipSerializedUsedRoutes !== undefined, "We should have been tracking used routes");
+            common_utils_1.assert(wipSerializedUsedRoutes !== undefined, 0x1b5 /* "We should have been tracking used routes" */);
         }
@@ -217,3 +217,3 @@ super.completeSummaryCore(proposalHandle, parentPath, parentSkipRecursion);
         var _a;
-        common_utils_1.assert(!this.children.has(id), "Create SummarizerNode child already exists");
+        common_utils_1.assert(!this.children.has(id), 0x1b6 /* "Create SummarizerNode child already exists" */);
         const createDetails = this.getCreateDetailsForChild(id, createParam);
@@ -220,0 +220,0 @@ const child = new SummarizerNodeWithGC(this.defaultLogger, summarizeInternalFn, Object.assign(Object.assign({}, config), {

dist/summarizerNode/summarizerNodeWithGc.js.map

@@ -1,1 +0,1 @@
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* Copyright (c) Microsoft Corporation. All rights reserved.\n * Licensed under the MIT License.\n */\n\nimport { ITelemetryLogger } from \"@fluidframework/common-definitions\";\nimport { assert, LazyPromise } from \"@fluidframework/common-utils\";\nimport { cloneGCData } from \"@fluidframework/garbage-collector\";\nimport { ISnapshotTree } from \"@fluidframework/protocol-definitions\";\nimport {\n    CreateChildSummarizerNodeParam,\n    gcBlobKey,\n    IContextSummarizeResult,\n    IGarbageCollectionData,\n    IGarbageCollectionSummaryDetails,\n    ISummarizeInternalResult,\n    ISummarizerNodeConfigWithGC,\n    ISummarizerNodeWithGC,\n} from \"@fluidframework/runtime-definitions\";\nimport { SummarizerNode } from \"./summarizerNode\";\nimport {\n    EscapedPath,\n    ICreateChildDetails,\n    IInitialSummary,\n    ISummarizerNodeRootContract,\n    ReadAndParseBlob,\n    SummaryNode,\n} from \"./summarizerNodeUtils\";\n\nexport interface IRootSummarizerNodeWithGC extends ISummarizerNodeWithGC, ISummarizerNodeRootContract {}\n\n// Extend SummaryNode to add used routes tracking to it.\nclass SummaryNodeWithGC extends SummaryNode {\n    constructor(\n        public readonly serializedUsedRoutes: string,\n        summary: {\n            readonly referenceSequenceNumber: number,\n            readonly basePath: EscapedPath | undefined,\n            readonly localPath: EscapedPath,\n            additionalPath?: EscapedPath,\n        },\n    ) {\n        super(summary);\n    }\n}\n\n/**\n * Extends the functionality of SummarizerNode to manage this node's garbage collection data:\n * - Adds a new API `getGCData` to return GC data of this node.\n * - Caches the result of `getGCData` to be used if nothing changes between summaries.\n * - Adds GC data to the result of summarize.\n * - Manages the used routes of this node. These are used to identify if this node is referenced in the document\n *   and to determine if the node's used state changed since last summary.\n * - Adds trackState param to summarize. If trackState is false, it bypasses the SummarizerNode and calls\n *   directly into summarizeInternal method.\n */\nexport class SummarizerNodeWithGC extends SummarizerNode implements IRootSummarizerNodeWithGC {\n    private gcData: IGarbageCollectionData | undefined;\n\n    // Tracks the work-in-progress used routes during summary.\n    private wipSerializedUsedRoutes: string | undefined;\n\n    // This is the last known used routes of this node as seen by the server as part of a summary.\n    private referenceUsedRoutes: string[] | undefined;\n\n    // The GC details of this node in the initial summary.\n    private readonly gcDetailsInInitialSummaryP: LazyPromise<IGarbageCollectionSummaryDetails>;\n\n    // Set used routes to have self route by default. This makes the node referenced by default. This is done to ensure\n    // that this node is not marked as collected when running GC has been disabled. Once, the option to disable GC is\n    // removed (from runGC flag in IContainerRuntimeOptions), this should be changed to be have no routes by default.\n    private _usedRoutes: string[] = [\"\"];\n    public get usedRoutes(): string[] {\n        return this._usedRoutes;\n    }\n\n    // True if GC is disabled for this node. If so, do not track GC specific state for a summary.\n    private readonly gcDisabled: boolean;\n\n    /**\n     * Do not call constructor directly.\n     * Use createRootSummarizerNodeWithGC to create root node, or createChild to create child nodes.\n     */\n    public constructor(\n        logger: ITelemetryLogger,\n        private readonly summarizeFn: (fullTree: boolean, trackState: boolean) => Promise<ISummarizeInternalResult>,\n        config: ISummarizerNodeConfigWithGC,\n        changeSequenceNumber: number,\n        /** Undefined means created without summary */\n        latestSummary?: SummaryNode,\n        initialSummary?: IInitialSummary,\n        wipSummaryLogger?: ITelemetryLogger,\n        private readonly getGCDataFn?: (fullGC?: boolean) => Promise<IGarbageCollectionData>,\n        getInitialGCSummaryDetailsFn?: () => Promise<IGarbageCollectionSummaryDetails>,\n    ) {\n        super(\n            logger,\n            async (fullTree: boolean) => this.summarizeInternal(fullTree, true /* trackState */),\n            config,\n            changeSequenceNumber,\n            latestSummary,\n            initialSummary,\n            wipSummaryLogger,\n        );\n\n        this.gcDisabled = config.gcDisabled === true;\n\n        this.gcDetailsInInitialSummaryP = new LazyPromise(async () => {\n            // back-compat: 0.32. getInitialGCSummaryDetailsFn() returns undefined in 0.31. Remove undefined check\n            // when N > 34.\n            const gcSummaryDetails = await getInitialGCSummaryDetailsFn?.();\n            return gcSummaryDetails ?? { usedRoutes: [] };\n        });\n    }\n\n    /**\n     * Loads state from this node's initial GC summary details. This contains the following data from the last summary\n     * seen by the server for this client:\n     * - usedRoutes: This is used to figure out if the used state of this node changed since last summary.\n     * - gcData: The garbage collection data of this node that is required for running GC.\n     */\n    private async loadInitialGCSummaryDetails() {\n        // If referenceUsedRoutes is not undefined, don't do anything because we have already initialized.\n        if (this.referenceUsedRoutes === undefined) {\n            const gcDetailsInInitialSummary = await this.gcDetailsInInitialSummaryP;\n            this.referenceUsedRoutes = gcDetailsInInitialSummary.usedRoutes;\n\n            // If the GC details has GC data, initialize our GC data from it.\n            if (gcDetailsInInitialSummary.gcData !== undefined) {\n                this.gcData = cloneGCData(gcDetailsInInitialSummary.gcData);\n            }\n        }\n    }\n\n    public async summarize(fullTree: boolean, trackState: boolean = true): Promise<IContextSummarizeResult> {\n        // Load GC details from the initial summary, if it's not already loaded. If this is the first time this node is\n        // being summarized, the used routes in it are needed to find out if this node has changed since last summary.\n        // If it hasn't changed, the GC data in it needs to be returned as part of the summary.\n        await this.loadInitialGCSummaryDetails();\n\n        // If GC is not disabled and we are tracking a summary, GC should have run and updated the used routes for this\n        //  summary by calling updateUsedRoutes which sets wipSerializedUsedRoutes.\n        if (!this.gcDisabled && this.isTrackingInProgress()) {\n            assert(this.wipSerializedUsedRoutes !== undefined, \"wip used routes should be set if tracking a summary\");\n        }\n\n        // If trackState is true, get summary from base summarizer node which tracks summary state.\n        // If trackState is false, get summary from summarizeInternal.\n        if (trackState) {\n            const summarizeResult = await super.summarize(fullTree);\n\n            // If there is no cached GC data, return empty data in summarize result. It is the caller's responsiblity\n            // to ensure that GC data is available by calling getGCData before calling summarize.\n            const gcData = this.gcData !== undefined ? cloneGCData(this.gcData) : { gcNodes: {} };\n\n            return {\n                ...summarizeResult,\n                gcData,\n            };\n        } else {\n            return this.summarizeInternal(fullTree, trackState);\n        }\n    }\n\n    private async summarizeInternal(fullTree: boolean, trackState: boolean): Promise<ISummarizeInternalResult> {\n        const summarizeResult = await this.summarizeFn(fullTree, trackState);\n        this.gcData = cloneGCData(summarizeResult.gcData);\n        return summarizeResult;\n    }\n\n    /**\n     * Returns the GC data of this node. If nothing has changed since last summary, it tries to reuse the data from\n     * the previous summary. Else, it gets new GC data from the underlying Fluid object.\n     * @param fullGC - true to bypass optimizations and force full generation of GC data.\n     */\n    public async getGCData(fullGC: boolean = false): Promise<IGarbageCollectionData> {\n        assert(!this.gcDisabled, \"Getting GC data should not be called when GC is disabled!\");\n        assert(this.getGCDataFn !== undefined, \"GC data cannot be retrieved without getGCDataFn\");\n\n        // Load GC details from the initial summary, if not already loaded. If this is the first time this function is\n        // called and the node's data has not changed since last summary, the GC data in initial details is returned.\n        await this.loadInitialGCSummaryDetails();\n\n        // If there is no new data since last summary and we have GC data from the previous run, return it. We may not\n        // have data from previous GC run for clients with older summary format before GC was added. They won't have\n        // GC details in their initial summary.\n        if (!fullGC && !this.hasDataChanged() && this.gcData !== undefined) {\n            return cloneGCData(this.gcData);\n        }\n\n        const gcData = await this.getGCDataFn(fullGC);\n        this.gcData = cloneGCData(gcData);\n        return gcData;\n    }\n\n    /**\n     * Called during the start of a summary. Updates the work-in-progress used routes.\n     */\n    public startSummary(referenceSequenceNumber: number, summaryLogger: ITelemetryLogger) {\n        // If GC is disabled, skip setting wip used routes since we should not track GC state.\n        if (!this.gcDisabled) {\n            assert(\n                this.wipSerializedUsedRoutes === undefined,\n                \"We should not already be tracking used routes when to track a new summary\");\n\n            // back-compat: 0.33 - This will be done in `updateUsedRoutes`. Older clients do not have that method, so\n            // keeping this one for now.\n            this.wipSerializedUsedRoutes = JSON.stringify(this.usedRoutes);\n        }\n        super.startSummary(referenceSequenceNumber, summaryLogger);\n    }\n\n    /**\n     * Called after summary has been uploaded to the server. Add the work-in-progress state to the pending\n     * summary queue. We track this until we get an ack from the server for this summary.\n     */\n    protected completeSummaryCore(\n        proposalHandle: string,\n        parentPath: EscapedPath | undefined,\n        parentSkipRecursion: boolean,\n    ) {\n        let wipSerializedUsedRoutes: string | undefined;\n        // If GC is disabled, don't set wip used routes.\n        if (!this.gcDisabled) {\n            wipSerializedUsedRoutes = this.wipSerializedUsedRoutes;\n            assert(wipSerializedUsedRoutes !== undefined, \"We should have been tracking used routes\");\n        }\n\n        super.completeSummaryCore(proposalHandle, parentPath, parentSkipRecursion);\n\n        // If GC is disabled, skip setting pending summary with GC state.\n        if (!this.gcDisabled) {\n            const summaryNode = this.pendingSummaries.get(proposalHandle);\n            if (summaryNode !== undefined) {\n                // eslint-disable-next-line @typescript-eslint/no-non-null-assertion\n                const summaryNodeWithGC = new SummaryNodeWithGC(wipSerializedUsedRoutes!, summaryNode);\n                this.pendingSummaries.set(proposalHandle, summaryNodeWithGC);\n            }\n        }\n    }\n\n    /**\n     * Clears the work-in-progress state.\n     */\n    public clearSummary() {\n        this.wipSerializedUsedRoutes = undefined;\n        super.clearSummary();\n    }\n\n    /**\n     * Called when we get an ack from the server for a summary we sent. Update the reference state of this node\n     * from the state in the pending summary queue.\n     */\n    protected refreshLatestSummaryFromPending(\n        proposalHandle: string,\n        referenceSequenceNumber: number,\n    ): void {\n        // If GC is disabled, skip setting referenced used routes since we are not tracking GC state.\n        if (!this.gcDisabled) {\n            const summaryNode = this.pendingSummaries.get(proposalHandle) as SummaryNodeWithGC;\n            if (summaryNode !== undefined) {\n                this.referenceUsedRoutes = JSON.parse(summaryNode.serializedUsedRoutes);\n            }\n        }\n\n        return super.refreshLatestSummaryFromPending(proposalHandle, referenceSequenceNumber);\n    }\n\n    /**\n     * Called when we need to upload the reference state from the given summary. Read the GC blob and get the state\n     * to upload from it.\n     */\n    protected async refreshLatestSummaryFromSnapshot(\n        referenceSequenceNumber: number,\n        snapshotTree: ISnapshotTree,\n        basePath: EscapedPath | undefined,\n        localPath: EscapedPath,\n        correlatedSummaryLogger: ITelemetryLogger,\n        readAndParseBlob: ReadAndParseBlob,\n    ): Promise<void> {\n        // If GC is disabled, skip setting referenced used routes since we are not tracking GC state.\n        if (!this.gcDisabled) {\n            const gcDetailsBlob = snapshotTree.blobs[gcBlobKey];\n            if (gcDetailsBlob !== undefined) {\n                const gcDetails = await readAndParseBlob<IGarbageCollectionSummaryDetails>(gcDetailsBlob);\n\n                // Possible re-entrancy. If we have already seen a summary later than this one, ignore it.\n                if (this.referenceSequenceNumber >= referenceSequenceNumber) {\n                    return;\n                }\n\n                this.referenceUsedRoutes = gcDetails.usedRoutes;\n            }\n        }\n\n        return super.refreshLatestSummaryFromSnapshot(\n            referenceSequenceNumber,\n            snapshotTree,\n            basePath,\n            localPath,\n            correlatedSummaryLogger,\n            readAndParseBlob,\n        );\n    }\n\n    /**\n     * Override the createChild method to return an instance of SummarizerNodeWithGC.\n     */\n    public createChild(\n        /** Summarize function */\n        summarizeInternalFn: (fullTree: boolean, trackState: boolean) => Promise<ISummarizeInternalResult>,\n        /** Initial id or path part of this node */\n        id: string,\n        /**\n         * Information needed to create the node.\n         * If it is from a base summary, it will assert that a summary has been seen.\n         * Attach information if it is created from an attach op.\n         */\n        createParam: CreateChildSummarizerNodeParam,\n        config: ISummarizerNodeConfigWithGC = {},\n        getGCDataFn?: (fullGC?: boolean) => Promise<IGarbageCollectionData>,\n        getInitialGCSummaryDetailsFn?: () => Promise<IGarbageCollectionSummaryDetails>,\n    ): ISummarizerNodeWithGC {\n        assert(!this.children.has(id), \"Create SummarizerNode child already exists\");\n\n        const createDetails: ICreateChildDetails = this.getCreateDetailsForChild(id, createParam);\n        const child = new SummarizerNodeWithGC(\n            this.defaultLogger,\n            summarizeInternalFn,\n            {\n                ...config,\n                // Propagate our gcDisabled state to the child if its not explicity specified in child's config.\n                gcDisabled: config.gcDisabled ?? this.gcDisabled,\n            },\n            createDetails.changeSequenceNumber,\n            createDetails.latestSummary,\n            createDetails.initialSummary,\n            this.wipSummaryLogger,\n            getGCDataFn,\n            getInitialGCSummaryDetailsFn,\n        );\n\n        // back-compat: 0.33 - If a child is created during summarize, its wip used routes will updated in\n        // `updateUsedRoutes` method. For older clients, do it here since that method does not exist.\n\n        // There may be additional state that has to be updated in this child. For example, if a summary is being\n        // tracked, the child's summary tracking state needs to be updated too.\n        this.maybeUpdateChildState(child);\n\n        this.children.set(id, child);\n        return child;\n    }\n\n    /**\n     * Override the getChild method to return an instance of SummarizerNodeWithGC.\n     */\n    public getChild(id: string): ISummarizerNodeWithGC | undefined {\n        return this.children.get(id) as SummarizerNodeWithGC;\n    }\n\n    public isReferenced(): boolean {\n        return this.usedRoutes.includes(\"\") || this.usedRoutes.includes(\"/\");\n    }\n\n    public updateUsedRoutes(usedRoutes: string[]) {\n        // Sort the given routes before updating. This will ensure that the routes compared in hasUsedStateChanged()\n        // are in the same order.\n        this._usedRoutes = usedRoutes.sort();\n\n        // If GC is not disabled and we are tracking a summary, update the work-in-progress used routes so that it can\n        // be tracked for this summary.\n        if (!this.gcDisabled && this.isTrackingInProgress()) {\n            this.wipSerializedUsedRoutes = JSON.stringify(this.usedRoutes);\n        }\n    }\n\n    /**\n     * Override the hasChanged method. If this node data or its used state changed, the node is considered changed.\n     */\n    protected hasChanged(): boolean {\n        return this.hasDataChanged() || this.hasUsedStateChanged();\n    }\n\n    /**\n     * This tells whether the data in this node has changed or not.\n     */\n    private hasDataChanged(): boolean {\n        return super.hasChanged();\n    }\n\n    /**\n     * This tells whether the used state of this node has changed since last successful summary. If the used routes\n     * of this node changed, its used state is considered changed. Basically, if this node or any of its child nodes\n     * was previously used and became unused (or vice versa), its used state has changed.\n     */\n    private hasUsedStateChanged(): boolean {\n        // If GC is disabled, we are not tracking used state, return false.\n        if (this.gcDisabled) {\n            return false;\n        }\n\n        return this.referenceUsedRoutes === undefined ||\n            JSON.stringify(this.usedRoutes) !== JSON.stringify(this.referenceUsedRoutes);\n    }\n\n    /**\n     * Updates the work-in-progress state of the child if summary is in progress.\n     * @param child - The child node to be updated.\n     */\n    protected maybeUpdateChildState(child: SummarizerNodeWithGC) {\n        if (this.isTrackingInProgress()) {\n            // Update the child's work-in-progress used routes.\n            child.updateUsedRoutes(child.usedRoutes);\n        }\n        super.maybeUpdateChildState(child);\n    }\n}\n\n/**\n * Creates a root summarizer node with GC functionality built-in.\n * @param logger - Logger to use within SummarizerNode\n * @param summarizeInternalFn - Function to generate summary\n * @param changeSequenceNumber - Sequence number of latest change to new node/subtree\n * @param referenceSequenceNumber - Reference sequence number of last acked summary,\n * or undefined if not loaded from summary\n * @param config - Configure behavior of summarizer node\n * @param getGCDataFn - Function to get the GC data of this node\n * @param gcDetailsInInitialSummaryP - Function to get the initial GC details of this node\n */\nexport const createRootSummarizerNodeWithGC = (\n    logger: ITelemetryLogger,\n    summarizeInternalFn: (fullTree: boolean, trackState: boolean) => Promise<ISummarizeInternalResult>,\n    changeSequenceNumber: number,\n    referenceSequenceNumber: number | undefined,\n    config: ISummarizerNodeConfigWithGC = {},\n    getGCDataFn?: (fullGC?: boolean) => Promise<IGarbageCollectionData>,\n    getInitialGCSummaryDetailsFn?: () => Promise<IGarbageCollectionSummaryDetails>,\n): IRootSummarizerNodeWithGC => new SummarizerNodeWithGC(\n    logger,\n    summarizeInternalFn,\n    config,\n    changeSequenceNumber,\n    referenceSequenceNumber === undefined ? undefined : SummaryNode.createForRoot(referenceSequenceNumber),\n    undefined /* initialSummary */,\n    undefined /* wipSummaryLogger */,\n    getGCDataFn,\n    getInitialGCSummaryDetailsFn,\n);\n"]}
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* Copyright (c) Microsoft Corporation. All rights reserved.\n * Licensed under the MIT License.\n */\n\nimport { ITelemetryLogger } from \"@fluidframework/common-definitions\";\nimport { assert, LazyPromise } from \"@fluidframework/common-utils\";\nimport { cloneGCData } from \"@fluidframework/garbage-collector\";\nimport { ISnapshotTree } from \"@fluidframework/protocol-definitions\";\nimport {\n    CreateChildSummarizerNodeParam,\n    gcBlobKey,\n    IContextSummarizeResult,\n    IGarbageCollectionData,\n    IGarbageCollectionSummaryDetails,\n    ISummarizeInternalResult,\n    ISummarizerNodeConfigWithGC,\n    ISummarizerNodeWithGC,\n} from \"@fluidframework/runtime-definitions\";\nimport { SummarizerNode } from \"./summarizerNode\";\nimport {\n    EscapedPath,\n    ICreateChildDetails,\n    IInitialSummary,\n    ISummarizerNodeRootContract,\n    ReadAndParseBlob,\n    SummaryNode,\n} from \"./summarizerNodeUtils\";\n\nexport interface IRootSummarizerNodeWithGC extends ISummarizerNodeWithGC, ISummarizerNodeRootContract {}\n\n// Extend SummaryNode to add used routes tracking to it.\nclass SummaryNodeWithGC extends SummaryNode {\n    constructor(\n        public readonly serializedUsedRoutes: string,\n        summary: {\n            readonly referenceSequenceNumber: number,\n            readonly basePath: EscapedPath | undefined,\n            readonly localPath: EscapedPath,\n            additionalPath?: EscapedPath,\n        },\n    ) {\n        super(summary);\n    }\n}\n\n/**\n * Extends the functionality of SummarizerNode to manage this node's garbage collection data:\n * - Adds a new API `getGCData` to return GC data of this node.\n * - Caches the result of `getGCData` to be used if nothing changes between summaries.\n * - Adds GC data to the result of summarize.\n * - Manages the used routes of this node. These are used to identify if this node is referenced in the document\n *   and to determine if the node's used state changed since last summary.\n * - Adds trackState param to summarize. If trackState is false, it bypasses the SummarizerNode and calls\n *   directly into summarizeInternal method.\n */\nexport class SummarizerNodeWithGC extends SummarizerNode implements IRootSummarizerNodeWithGC {\n    private gcData: IGarbageCollectionData | undefined;\n\n    // Tracks the work-in-progress used routes during summary.\n    private wipSerializedUsedRoutes: string | undefined;\n\n    // This is the last known used routes of this node as seen by the server as part of a summary.\n    private referenceUsedRoutes: string[] | undefined;\n\n    // The GC details of this node in the initial summary.\n    private readonly gcDetailsInInitialSummaryP: LazyPromise<IGarbageCollectionSummaryDetails>;\n\n    // Set used routes to have self route by default. This makes the node referenced by default. This is done to ensure\n    // that this node is not marked as collected when running GC has been disabled. Once, the option to disable GC is\n    // removed (from runGC flag in IContainerRuntimeOptions), this should be changed to be have no routes by default.\n    private _usedRoutes: string[] = [\"\"];\n    public get usedRoutes(): string[] {\n        return this._usedRoutes;\n    }\n\n    // True if GC is disabled for this node. If so, do not track GC specific state for a summary.\n    private readonly gcDisabled: boolean;\n\n    /**\n     * Do not call constructor directly.\n     * Use createRootSummarizerNodeWithGC to create root node, or createChild to create child nodes.\n     */\n    public constructor(\n        logger: ITelemetryLogger,\n        private readonly summarizeFn: (fullTree: boolean, trackState: boolean) => Promise<ISummarizeInternalResult>,\n        config: ISummarizerNodeConfigWithGC,\n        changeSequenceNumber: number,\n        /** Undefined means created without summary */\n        latestSummary?: SummaryNode,\n        initialSummary?: IInitialSummary,\n        wipSummaryLogger?: ITelemetryLogger,\n        private readonly getGCDataFn?: (fullGC?: boolean) => Promise<IGarbageCollectionData>,\n        getInitialGCSummaryDetailsFn?: () => Promise<IGarbageCollectionSummaryDetails>,\n    ) {\n        super(\n            logger,\n            async (fullTree: boolean) => this.summarizeInternal(fullTree, true /* trackState */),\n            config,\n            changeSequenceNumber,\n            latestSummary,\n            initialSummary,\n            wipSummaryLogger,\n        );\n\n        this.gcDisabled = config.gcDisabled === true;\n\n        this.gcDetailsInInitialSummaryP = new LazyPromise(async () => {\n            // back-compat: 0.32. getInitialGCSummaryDetailsFn() returns undefined in 0.31. Remove undefined check\n            // when N > 34.\n            const gcSummaryDetails = await getInitialGCSummaryDetailsFn?.();\n            return gcSummaryDetails ?? { usedRoutes: [] };\n        });\n    }\n\n    /**\n     * Loads state from this node's initial GC summary details. This contains the following data from the last summary\n     * seen by the server for this client:\n     * - usedRoutes: This is used to figure out if the used state of this node changed since last summary.\n     * - gcData: The garbage collection data of this node that is required for running GC.\n     */\n    private async loadInitialGCSummaryDetails() {\n        // If referenceUsedRoutes is not undefined, don't do anything because we have already initialized.\n        if (this.referenceUsedRoutes === undefined) {\n            const gcDetailsInInitialSummary = await this.gcDetailsInInitialSummaryP;\n            this.referenceUsedRoutes = gcDetailsInInitialSummary.usedRoutes;\n\n            // If the GC details has GC data, initialize our GC data from it.\n            if (gcDetailsInInitialSummary.gcData !== undefined) {\n                this.gcData = cloneGCData(gcDetailsInInitialSummary.gcData);\n            }\n        }\n    }\n\n    public async summarize(fullTree: boolean, trackState: boolean = true): Promise<IContextSummarizeResult> {\n        // Load GC details from the initial summary, if it's not already loaded. If this is the first time this node is\n        // being summarized, the used routes in it are needed to find out if this node has changed since last summary.\n        // If it hasn't changed, the GC data in it needs to be returned as part of the summary.\n        await this.loadInitialGCSummaryDetails();\n\n        // If GC is not disabled and we are tracking a summary, GC should have run and updated the used routes for this\n        //  summary by calling updateUsedRoutes which sets wipSerializedUsedRoutes.\n        if (!this.gcDisabled && this.isTrackingInProgress()) {\n            assert(this.wipSerializedUsedRoutes !== undefined,\n                0x1b1 /* \"wip used routes should be set if tracking a summary\" */);\n        }\n\n        // If trackState is true, get summary from base summarizer node which tracks summary state.\n        // If trackState is false, get summary from summarizeInternal.\n        if (trackState) {\n            const summarizeResult = await super.summarize(fullTree);\n\n            // If there is no cached GC data, return empty data in summarize result. It is the caller's responsibility\n            // to ensure that GC data is available by calling getGCData before calling summarize.\n            const gcData = this.gcData !== undefined ? cloneGCData(this.gcData) : { gcNodes: {} };\n\n            return {\n                ...summarizeResult,\n                gcData,\n            };\n        } else {\n            return this.summarizeInternal(fullTree, trackState);\n        }\n    }\n\n    private async summarizeInternal(fullTree: boolean, trackState: boolean): Promise<ISummarizeInternalResult> {\n        const summarizeResult = await this.summarizeFn(fullTree, trackState);\n        this.gcData = cloneGCData(summarizeResult.gcData);\n        return summarizeResult;\n    }\n\n    /**\n     * Returns the GC data of this node. If nothing has changed since last summary, it tries to reuse the data from\n     * the previous summary. Else, it gets new GC data from the underlying Fluid object.\n     * @param fullGC - true to bypass optimizations and force full generation of GC data.\n     */\n    public async getGCData(fullGC: boolean = false): Promise<IGarbageCollectionData> {\n        assert(!this.gcDisabled, 0x1b2 /* \"Getting GC data should not be called when GC is disabled!\" */);\n        assert(this.getGCDataFn !== undefined, 0x1b3 /* \"GC data cannot be retrieved without getGCDataFn\" */);\n\n        // Load GC details from the initial summary, if not already loaded. If this is the first time this function is\n        // called and the node's data has not changed since last summary, the GC data in initial details is returned.\n        await this.loadInitialGCSummaryDetails();\n\n        // If there is no new data since last summary and we have GC data from the previous run, return it. We may not\n        // have data from previous GC run for clients with older summary format before GC was added. They won't have\n        // GC details in their initial summary.\n        if (!fullGC && !this.hasDataChanged() && this.gcData !== undefined) {\n            return cloneGCData(this.gcData);\n        }\n\n        const gcData = await this.getGCDataFn(fullGC);\n        this.gcData = cloneGCData(gcData);\n        return gcData;\n    }\n\n    /**\n     * Called during the start of a summary. Updates the work-in-progress used routes.\n     */\n    public startSummary(referenceSequenceNumber: number, summaryLogger: ITelemetryLogger) {\n        // If GC is disabled, skip setting wip used routes since we should not track GC state.\n        if (!this.gcDisabled) {\n            assert(\n                this.wipSerializedUsedRoutes === undefined,\n                0x1b4 /* \"We should not already be tracking used routes when to track a new summary\" */);\n\n            // back-compat: 0.33 - This will be done in `updateUsedRoutes`. Older clients do not have that method, so\n            // keeping this one for now.\n            this.wipSerializedUsedRoutes = JSON.stringify(this.usedRoutes);\n        }\n        super.startSummary(referenceSequenceNumber, summaryLogger);\n    }\n\n    /**\n     * Called after summary has been uploaded to the server. Add the work-in-progress state to the pending\n     * summary queue. We track this until we get an ack from the server for this summary.\n     */\n    protected completeSummaryCore(\n        proposalHandle: string,\n        parentPath: EscapedPath | undefined,\n        parentSkipRecursion: boolean,\n    ) {\n        let wipSerializedUsedRoutes: string | undefined;\n        // If GC is disabled, don't set wip used routes.\n        if (!this.gcDisabled) {\n            wipSerializedUsedRoutes = this.wipSerializedUsedRoutes;\n            assert(wipSerializedUsedRoutes !== undefined, 0x1b5 /* \"We should have been tracking used routes\" */);\n        }\n\n        super.completeSummaryCore(proposalHandle, parentPath, parentSkipRecursion);\n\n        // If GC is disabled, skip setting pending summary with GC state.\n        if (!this.gcDisabled) {\n            const summaryNode = this.pendingSummaries.get(proposalHandle);\n            if (summaryNode !== undefined) {\n                // eslint-disable-next-line @typescript-eslint/no-non-null-assertion\n                const summaryNodeWithGC = new SummaryNodeWithGC(wipSerializedUsedRoutes!, summaryNode);\n                this.pendingSummaries.set(proposalHandle, summaryNodeWithGC);\n            }\n        }\n    }\n\n    /**\n     * Clears the work-in-progress state.\n     */\n    public clearSummary() {\n        this.wipSerializedUsedRoutes = undefined;\n        super.clearSummary();\n    }\n\n    /**\n     * Called when we get an ack from the server for a summary we sent. Update the reference state of this node\n     * from the state in the pending summary queue.\n     */\n    protected refreshLatestSummaryFromPending(\n        proposalHandle: string,\n        referenceSequenceNumber: number,\n    ): void {\n        // If GC is disabled, skip setting referenced used routes since we are not tracking GC state.\n        if (!this.gcDisabled) {\n            const summaryNode = this.pendingSummaries.get(proposalHandle) as SummaryNodeWithGC;\n            if (summaryNode !== undefined) {\n                this.referenceUsedRoutes = JSON.parse(summaryNode.serializedUsedRoutes);\n            }\n        }\n\n        return super.refreshLatestSummaryFromPending(proposalHandle, referenceSequenceNumber);\n    }\n\n    /**\n     * Called when we need to upload the reference state from the given summary. Read the GC blob and get the state\n     * to upload from it.\n     */\n    protected async refreshLatestSummaryFromSnapshot(\n        referenceSequenceNumber: number,\n        snapshotTree: ISnapshotTree,\n        basePath: EscapedPath | undefined,\n        localPath: EscapedPath,\n        correlatedSummaryLogger: ITelemetryLogger,\n        readAndParseBlob: ReadAndParseBlob,\n    ): Promise<void> {\n        // If GC is disabled, skip setting referenced used routes since we are not tracking GC state.\n        if (!this.gcDisabled) {\n            const gcDetailsBlob = snapshotTree.blobs[gcBlobKey];\n            if (gcDetailsBlob !== undefined) {\n                const gcDetails = await readAndParseBlob<IGarbageCollectionSummaryDetails>(gcDetailsBlob);\n\n                // Possible re-entrancy. If we have already seen a summary later than this one, ignore it.\n                if (this.referenceSequenceNumber >= referenceSequenceNumber) {\n                    return;\n                }\n\n                this.referenceUsedRoutes = gcDetails.usedRoutes;\n            }\n        }\n\n        return super.refreshLatestSummaryFromSnapshot(\n            referenceSequenceNumber,\n            snapshotTree,\n            basePath,\n            localPath,\n            correlatedSummaryLogger,\n            readAndParseBlob,\n        );\n    }\n\n    /**\n     * Override the createChild method to return an instance of SummarizerNodeWithGC.\n     */\n    public createChild(\n        /** Summarize function */\n        summarizeInternalFn: (fullTree: boolean, trackState: boolean) => Promise<ISummarizeInternalResult>,\n        /** Initial id or path part of this node */\n        id: string,\n        /**\n         * Information needed to create the node.\n         * If it is from a base summary, it will assert that a summary has been seen.\n         * Attach information if it is created from an attach op.\n         */\n        createParam: CreateChildSummarizerNodeParam,\n        config: ISummarizerNodeConfigWithGC = {},\n        getGCDataFn?: (fullGC?: boolean) => Promise<IGarbageCollectionData>,\n        getInitialGCSummaryDetailsFn?: () => Promise<IGarbageCollectionSummaryDetails>,\n    ): ISummarizerNodeWithGC {\n        assert(!this.children.has(id), 0x1b6 /* \"Create SummarizerNode child already exists\" */);\n\n        const createDetails: ICreateChildDetails = this.getCreateDetailsForChild(id, createParam);\n        const child = new SummarizerNodeWithGC(\n            this.defaultLogger,\n            summarizeInternalFn,\n            {\n                ...config,\n                // Propagate our gcDisabled state to the child if its not explicity specified in child's config.\n                gcDisabled: config.gcDisabled ?? this.gcDisabled,\n            },\n            createDetails.changeSequenceNumber,\n            createDetails.latestSummary,\n            createDetails.initialSummary,\n            this.wipSummaryLogger,\n            getGCDataFn,\n            getInitialGCSummaryDetailsFn,\n        );\n\n        // back-compat: 0.33 - If a child is created during summarize, its wip used routes will updated in\n        // `updateUsedRoutes` method. For older clients, do it here since that method does not exist.\n\n        // There may be additional state that has to be updated in this child. For example, if a summary is being\n        // tracked, the child's summary tracking state needs to be updated too.\n        this.maybeUpdateChildState(child);\n\n        this.children.set(id, child);\n        return child;\n    }\n\n    /**\n     * Override the getChild method to return an instance of SummarizerNodeWithGC.\n     */\n    public getChild(id: string): ISummarizerNodeWithGC | undefined {\n        return this.children.get(id) as SummarizerNodeWithGC;\n    }\n\n    public isReferenced(): boolean {\n        return this.usedRoutes.includes(\"\") || this.usedRoutes.includes(\"/\");\n    }\n\n    public updateUsedRoutes(usedRoutes: string[]) {\n        // Sort the given routes before updating. This will ensure that the routes compared in hasUsedStateChanged()\n        // are in the same order.\n        this._usedRoutes = usedRoutes.sort();\n\n        // If GC is not disabled and we are tracking a summary, update the work-in-progress used routes so that it can\n        // be tracked for this summary.\n        if (!this.gcDisabled && this.isTrackingInProgress()) {\n            this.wipSerializedUsedRoutes = JSON.stringify(this.usedRoutes);\n        }\n    }\n\n    /**\n     * Override the hasChanged method. If this node data or its used state changed, the node is considered changed.\n     */\n    protected hasChanged(): boolean {\n        return this.hasDataChanged() || this.hasUsedStateChanged();\n    }\n\n    /**\n     * This tells whether the data in this node has changed or not.\n     */\n    private hasDataChanged(): boolean {\n        return super.hasChanged();\n    }\n\n    /**\n     * This tells whether the used state of this node has changed since last successful summary. If the used routes\n     * of this node changed, its used state is considered changed. Basically, if this node or any of its child nodes\n     * was previously used and became unused (or vice versa), its used state has changed.\n     */\n    private hasUsedStateChanged(): boolean {\n        // If GC is disabled, we are not tracking used state, return false.\n        if (this.gcDisabled) {\n            return false;\n        }\n\n        return this.referenceUsedRoutes === undefined ||\n            JSON.stringify(this.usedRoutes) !== JSON.stringify(this.referenceUsedRoutes);\n    }\n\n    /**\n     * Updates the work-in-progress state of the child if summary is in progress.\n     * @param child - The child node to be updated.\n     */\n    protected maybeUpdateChildState(child: SummarizerNodeWithGC) {\n        if (this.isTrackingInProgress()) {\n            // Update the child's work-in-progress used routes.\n            child.updateUsedRoutes(child.usedRoutes);\n        }\n        super.maybeUpdateChildState(child);\n    }\n}\n\n/**\n * Creates a root summarizer node with GC functionality built-in.\n * @param logger - Logger to use within SummarizerNode\n * @param summarizeInternalFn - Function to generate summary\n * @param changeSequenceNumber - Sequence number of latest change to new node/subtree\n * @param referenceSequenceNumber - Reference sequence number of last acked summary,\n * or undefined if not loaded from summary\n * @param config - Configure behavior of summarizer node\n * @param getGCDataFn - Function to get the GC data of this node\n * @param gcDetailsInInitialSummaryP - Function to get the initial GC details of this node\n */\nexport const createRootSummarizerNodeWithGC = (\n    logger: ITelemetryLogger,\n    summarizeInternalFn: (fullTree: boolean, trackState: boolean) => Promise<ISummarizeInternalResult>,\n    changeSequenceNumber: number,\n    referenceSequenceNumber: number | undefined,\n    config: ISummarizerNodeConfigWithGC = {},\n    getGCDataFn?: (fullGC?: boolean) => Promise<IGarbageCollectionData>,\n    getInitialGCSummaryDetailsFn?: () => Promise<IGarbageCollectionSummaryDetails>,\n): IRootSummarizerNodeWithGC => new SummarizerNodeWithGC(\n    logger,\n    summarizeInternalFn,\n    config,\n    changeSequenceNumber,\n    referenceSequenceNumber === undefined ? undefined : SummaryNode.createForRoot(referenceSequenceNumber),\n    undefined /* initialSummary */,\n    undefined /* wipSummaryLogger */,\n    getGCDataFn,\n    getInitialGCSummaryDetailsFn,\n);\n"]}

dist/summaryUtils.d.ts.map

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dist/summaryUtils.js

@@ -199,3 +199,3 @@ "use strict";
 function convertSnapshotTreeToSummaryTree(snapshot) {
-    common_utils_1.assert(Object.keys(snapshot.commits).length === 0, "There should not be commit tree entries in snapshot");
+    common_utils_1.assert(Object.keys(snapshot.commits).length === 0, 0x19e /* "There should not be commit tree entries in snapshot" */);
     const builder = new SummaryTreeBuilder();
@@ -202,0 +202,0 @@ for (const [key, value] of Object.entries(snapshot.blobs)) {

dist/summaryUtils.js.map

@@ -1,1 +0,1 @@
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* Copyright (c) Microsoft Corporation. All rights reserved.\n * Licensed under the MIT License.\n */\n\nimport {\n    assert,\n    fromBase64ToUtf8,\n    IsoBuffer,\n    Uint8ArrayToString,\n    unreachableCase,\n    stringToBuffer,\n} from \"@fluidframework/common-utils\";\nimport { AttachmentTreeEntry, BlobTreeEntry, TreeTreeEntry } from \"@fluidframework/protocol-base\";\nimport {\n    ITree,\n    SummaryType,\n    ISummaryTree,\n    SummaryObject,\n    ISummaryBlob,\n    TreeEntry,\n    ITreeEntry,\n    ISnapshotTree,\n} from \"@fluidframework/protocol-definitions\";\nimport { ISummaryStats, ISummarizeResult, ISummaryTreeWithStats } from \"@fluidframework/runtime-definitions\";\n\n/**\n * Combines summary stats by adding their totals together.\n * Returns empty stats if called without args.\n * @param stats - stats to merge\n */\nexport function mergeStats(...stats: ISummaryStats[]): ISummaryStats {\n    const results = {\n        treeNodeCount: 0,\n        blobNodeCount: 0,\n        handleNodeCount: 0,\n        totalBlobSize: 0,\n    };\n    for (const stat of stats) {\n        results.treeNodeCount += stat.treeNodeCount;\n        results.blobNodeCount += stat.blobNodeCount;\n        results.handleNodeCount += stat.handleNodeCount;\n        results.totalBlobSize += stat.totalBlobSize;\n    }\n    return results;\n}\n\nexport function getBlobSize(content: ISummaryBlob[\"content\"]): number {\n    if (typeof content === \"string\") {\n        return stringToBuffer(content, \"utf8\").byteLength;\n    } else {\n        return content.byteLength;\n    }\n}\n\nfunction calculateStatsCore(summaryObject: SummaryObject, stats: ISummaryStats): void {\n    switch (summaryObject.type) {\n        case SummaryType.Tree: {\n            stats.treeNodeCount++;\n            for (const value of Object.values(summaryObject.tree)) {\n                calculateStatsCore(value, stats);\n            }\n            return;\n        }\n        case SummaryType.Handle: {\n            stats.handleNodeCount++;\n            return;\n        }\n        case SummaryType.Blob: {\n            stats.blobNodeCount++;\n            stats.totalBlobSize += getBlobSize(summaryObject.content);\n            return;\n        }\n        default: return;\n    }\n}\n\nexport function calculateStats(summary: ISummaryTree): ISummaryStats {\n    const stats = mergeStats();\n    calculateStatsCore(summary, stats);\n    return stats;\n}\n\nexport function addBlobToSummary(summary: ISummaryTreeWithStats, key: string, content: string | Uint8Array): void {\n    const blob: ISummaryBlob = {\n        type: SummaryType.Blob,\n        content,\n    };\n    summary.summary.tree[key] = blob;\n    summary.stats.blobNodeCount++;\n    summary.stats.totalBlobSize += getBlobSize(content);\n}\n\nexport function addTreeToSummary(summary: ISummaryTreeWithStats, key: string, summarizeResult: ISummarizeResult): void {\n    summary.summary.tree[key] = summarizeResult.summary;\n    summary.stats = mergeStats(summary.stats, summarizeResult.stats);\n}\n\nexport class SummaryTreeBuilder implements ISummaryTreeWithStats {\n    private attachmentCounter: number = 0;\n\n    public get summary(): ISummaryTree {\n        return {\n            type: SummaryType.Tree,\n            tree: { ...this.summaryTree },\n        };\n    }\n\n    public get stats(): Readonly<ISummaryStats> {\n        return { ...this.summaryStats };\n    }\n\n    constructor() {\n        this.summaryStats = mergeStats();\n        this.summaryStats.treeNodeCount++;\n    }\n\n    private readonly summaryTree: { [path: string]: SummaryObject } = {};\n    private summaryStats: ISummaryStats;\n\n    public addBlob(key: string, content: string | Uint8Array): void {\n        // Prevent cloning by directly referencing underlying private properties\n        addBlobToSummary({\n            summary: {\n                type: SummaryType.Tree,\n                tree: this.summaryTree,\n            },\n            stats: this.summaryStats,\n        }, key, content);\n    }\n\n    public addHandle(\n        key: string,\n        handleType: SummaryType.Tree | SummaryType.Blob | SummaryType.Attachment,\n        handle: string): void\n    {\n        this.summaryTree[key] = {\n            type: SummaryType.Handle,\n            handleType,\n            handle,\n        };\n        this.summaryStats.handleNodeCount++;\n    }\n\n    public addWithStats(key: string, summarizeResult: ISummarizeResult): void {\n        this.summaryTree[key] = summarizeResult.summary;\n        this.summaryStats = mergeStats(this.summaryStats, summarizeResult.stats);\n    }\n\n    public addAttachment(id: string) {\n        this.summaryTree[this.attachmentCounter++] = { id, type: SummaryType.Attachment };\n    }\n\n    public getSummaryTree(): ISummaryTreeWithStats {\n        return { summary: this.summary, stats: this.stats };\n    }\n}\n\n/**\n * Converts snapshot ITree to ISummaryTree format and tracks stats.\n * @param snapshot - snapshot in ITree format\n * @param fullTree - true to never use handles, even if id is specified\n */\nexport function convertToSummaryTreeWithStats(\n    snapshot: ITree,\n    fullTree: boolean = false,\n): ISummaryTreeWithStats {\n    const builder = new SummaryTreeBuilder();\n    for (const entry of snapshot.entries) {\n        switch (entry.type) {\n            case TreeEntry.Blob: {\n                const blob = entry.value;\n                let content: string | Uint8Array;\n                if (blob.encoding === \"base64\") {\n                    content = IsoBuffer.from(blob.contents, \"base64\");\n                } else {\n                    content = blob.contents;\n                }\n                builder.addBlob(entry.path, content);\n                break;\n            }\n\n            case TreeEntry.Tree: {\n                const subtree = convertToSummaryTree(\n                    entry.value,\n                    fullTree);\n                builder.addWithStats(entry.path, subtree);\n\n                break;\n            }\n\n            case TreeEntry.Attachment: {\n                const id = entry.value.id;\n                builder.addAttachment(id);\n\n                break;\n            }\n\n            case TreeEntry.Commit:\n                throw new Error(\"Should not have Commit TreeEntry in summary\");\n\n            default:\n                throw new Error(\"Unexpected TreeEntry type\");\n        }\n    }\n\n    return builder.getSummaryTree();\n}\n\n/**\n * Converts snapshot ITree to ISummaryTree format and tracks stats.\n * @param snapshot - snapshot in ITree format\n * @param fullTree - true to never use handles, even if id is specified\n */\nexport function convertToSummaryTree(\n    snapshot: ITree,\n    fullTree: boolean = false,\n): ISummarizeResult {\n    // eslint-disable-next-line @typescript-eslint/strict-boolean-expressions\n    if (snapshot.id && !fullTree) {\n        const stats = mergeStats();\n        stats.handleNodeCount++;\n        return {\n            summary: {\n                handle: snapshot.id,\n                handleType: SummaryType.Tree,\n                type: SummaryType.Handle,\n            },\n            stats,\n        };\n    } else {\n        return convertToSummaryTreeWithStats(snapshot, fullTree);\n    }\n}\n\n/**\n * Converts ISnapshotTree to ISummaryTree format and tracks stats. This snapshot tree was\n * was taken by serialize api in detached container.\n * @param snapshot - snapshot in ISnapshotTree format\n */\nexport function convertSnapshotTreeToSummaryTree(\n    snapshot: ISnapshotTree,\n): ISummaryTreeWithStats {\n    assert(Object.keys(snapshot.commits).length === 0, \"There should not be commit tree entries in snapshot\");\n\n    const builder = new SummaryTreeBuilder();\n    for (const [key, value] of Object.entries(snapshot.blobs)) {\n        // The entries in blobs are supposed to be blobPath -> blobId and blobId -> blobValue\n        // and we want to push blobPath to blobValue in tree entries.\n        if (snapshot.blobs[value] !== undefined) {\n            const decoded = fromBase64ToUtf8(snapshot.blobs[value]);\n            builder.addBlob(key, decoded);\n        }\n    }\n\n    for (const [key, tree] of Object.entries(snapshot.trees)) {\n        const subtree = convertSnapshotTreeToSummaryTree(tree);\n        builder.addWithStats(key, subtree);\n    }\n    return builder.getSummaryTree();\n}\n\n/**\n * Utility to convert serialized snapshot taken in detached container to format where we can use it to\n * attach the container.\n * @param serializedSnapshotTree - serialized snapshot tree to be converted to summary tree for attach.\n */\nexport function convertContainerToDriverSerializedFormat(\n    serializedSnapshotTree: string,\n): ISummaryTree {\n    const snapshotTree: ISnapshotTree = JSON.parse(serializedSnapshotTree);\n    const summaryTree = convertSnapshotTreeToSummaryTree(snapshotTree).summary;\n    const appSummaryTree: ISummaryTree = {\n        type: SummaryType.Tree,\n        tree: {},\n    };\n    const entries = Object.entries(summaryTree.tree);\n    for (const [key, subTree] of entries) {\n        if (key !== \".protocol\") {\n            appSummaryTree.tree[key] = subTree;\n            // eslint-disable-next-line @typescript-eslint/no-dynamic-delete\n            delete summaryTree.tree[key];\n        }\n    }\n    summaryTree.tree[\".app\"] = appSummaryTree;\n    return summaryTree;\n}\n\n/**\n * Converts ISummaryTree to ITree format. This is needed for back-compat while we get rid of snapshot.\n * @param summaryTree - summary tree in ISummaryTree format\n */\nexport function convertSummaryTreeToITree(summaryTree: ISummaryTree): ITree {\n    const entries: ITreeEntry[] = [];\n    for (const [key, value] of Object.entries(summaryTree.tree)) {\n        switch (value.type) {\n            case SummaryType.Blob: {\n                let parsedContent: string;\n                let encoding: string = \"utf-8\";\n                if (typeof value.content === \"string\") {\n                    parsedContent = value.content;\n                } else {\n                    parsedContent = Uint8ArrayToString(value.content, \"base64\");\n                    encoding = \"base64\";\n                }\n                entries.push(new BlobTreeEntry(key, parsedContent, encoding));\n                break;\n            }\n\n            case SummaryType.Tree: {\n                entries.push(new TreeTreeEntry(key, convertSummaryTreeToITree(value)));\n                break;\n            }\n\n            case SummaryType.Attachment: {\n                entries.push(new AttachmentTreeEntry(key, value.id));\n                break;\n            }\n\n            case SummaryType.Handle: {\n                throw new Error(\"Should not have Handle type in summary tree\");\n            }\n\n            default:\n                unreachableCase(value, \"Unexpected summary tree type\");\n        }\n    }\n    return {\n        entries,\n    };\n}\n"]}
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All rights reserved.\n * Licensed under the MIT License.\n */\n\nimport {\n    assert,\n    fromBase64ToUtf8,\n    IsoBuffer,\n    Uint8ArrayToString,\n    unreachableCase,\n    stringToBuffer,\n} from \"@fluidframework/common-utils\";\nimport { AttachmentTreeEntry, BlobTreeEntry, TreeTreeEntry } from \"@fluidframework/protocol-base\";\nimport {\n    ITree,\n    SummaryType,\n    ISummaryTree,\n    SummaryObject,\n    ISummaryBlob,\n    TreeEntry,\n    ITreeEntry,\n    ISnapshotTree,\n} from \"@fluidframework/protocol-definitions\";\nimport { ISummaryStats, ISummarizeResult, ISummaryTreeWithStats } from \"@fluidframework/runtime-definitions\";\n\n/**\n * Combines summary stats by adding their totals together.\n * Returns empty stats if called without args.\n * @param stats - stats to merge\n */\nexport function mergeStats(...stats: ISummaryStats[]): ISummaryStats {\n    const results = {\n        treeNodeCount: 0,\n        blobNodeCount: 0,\n        handleNodeCount: 0,\n        totalBlobSize: 0,\n    };\n    for (const stat of stats) {\n        results.treeNodeCount += stat.treeNodeCount;\n        results.blobNodeCount += stat.blobNodeCount;\n        results.handleNodeCount += stat.handleNodeCount;\n        results.totalBlobSize += stat.totalBlobSize;\n    }\n    return results;\n}\n\nexport function getBlobSize(content: ISummaryBlob[\"content\"]): number {\n    if (typeof content === \"string\") {\n        return stringToBuffer(content, \"utf8\").byteLength;\n    } else {\n        return content.byteLength;\n    }\n}\n\nfunction calculateStatsCore(summaryObject: SummaryObject, stats: ISummaryStats): void {\n    switch (summaryObject.type) {\n        case SummaryType.Tree: {\n            stats.treeNodeCount++;\n            for (const value of Object.values(summaryObject.tree)) {\n                calculateStatsCore(value, stats);\n            }\n            return;\n        }\n        case SummaryType.Handle: {\n            stats.handleNodeCount++;\n            return;\n        }\n        case SummaryType.Blob: {\n            stats.blobNodeCount++;\n            stats.totalBlobSize += getBlobSize(summaryObject.content);\n            return;\n        }\n        default: return;\n    }\n}\n\nexport function calculateStats(summary: ISummaryTree): ISummaryStats {\n    const stats = mergeStats();\n    calculateStatsCore(summary, stats);\n    return stats;\n}\n\nexport function addBlobToSummary(summary: ISummaryTreeWithStats, key: string, content: string | Uint8Array): void {\n    const blob: ISummaryBlob = {\n        type: SummaryType.Blob,\n        content,\n    };\n    summary.summary.tree[key] = blob;\n    summary.stats.blobNodeCount++;\n    summary.stats.totalBlobSize += getBlobSize(content);\n}\n\nexport function addTreeToSummary(summary: ISummaryTreeWithStats, key: string, summarizeResult: ISummarizeResult): void {\n    summary.summary.tree[key] = summarizeResult.summary;\n    summary.stats = mergeStats(summary.stats, summarizeResult.stats);\n}\n\nexport class SummaryTreeBuilder implements ISummaryTreeWithStats {\n    private attachmentCounter: number = 0;\n\n    public get summary(): ISummaryTree {\n        return {\n            type: SummaryType.Tree,\n            tree: { ...this.summaryTree },\n        };\n    }\n\n    public get stats(): Readonly<ISummaryStats> {\n        return { ...this.summaryStats };\n    }\n\n    constructor() {\n        this.summaryStats = mergeStats();\n        this.summaryStats.treeNodeCount++;\n    }\n\n    private readonly summaryTree: { [path: string]: SummaryObject } = {};\n    private summaryStats: ISummaryStats;\n\n    public addBlob(key: string, content: string | Uint8Array): void {\n        // Prevent cloning by directly referencing underlying private properties\n        addBlobToSummary({\n            summary: {\n                type: SummaryType.Tree,\n                tree: this.summaryTree,\n            },\n            stats: this.summaryStats,\n        }, key, content);\n    }\n\n    public addHandle(\n        key: string,\n        handleType: SummaryType.Tree | SummaryType.Blob | SummaryType.Attachment,\n        handle: string): void\n    {\n        this.summaryTree[key] = {\n            type: SummaryType.Handle,\n            handleType,\n            handle,\n        };\n        this.summaryStats.handleNodeCount++;\n    }\n\n    public addWithStats(key: string, summarizeResult: ISummarizeResult): void {\n        this.summaryTree[key] = summarizeResult.summary;\n        this.summaryStats = mergeStats(this.summaryStats, summarizeResult.stats);\n    }\n\n    public addAttachment(id: string) {\n        this.summaryTree[this.attachmentCounter++] = { id, type: SummaryType.Attachment };\n    }\n\n    public getSummaryTree(): ISummaryTreeWithStats {\n        return { summary: this.summary, stats: this.stats };\n    }\n}\n\n/**\n * Converts snapshot ITree to ISummaryTree format and tracks stats.\n * @param snapshot - snapshot in ITree format\n * @param fullTree - true to never use handles, even if id is specified\n */\nexport function convertToSummaryTreeWithStats(\n    snapshot: ITree,\n    fullTree: boolean = false,\n): ISummaryTreeWithStats {\n    const builder = new SummaryTreeBuilder();\n    for (const entry of snapshot.entries) {\n        switch (entry.type) {\n            case TreeEntry.Blob: {\n                const blob = entry.value;\n                let content: string | Uint8Array;\n                if (blob.encoding === \"base64\") {\n                    content = IsoBuffer.from(blob.contents, \"base64\");\n                } else {\n                    content = blob.contents;\n                }\n                builder.addBlob(entry.path, content);\n                break;\n            }\n\n            case TreeEntry.Tree: {\n                const subtree = convertToSummaryTree(\n                    entry.value,\n                    fullTree);\n                builder.addWithStats(entry.path, subtree);\n\n                break;\n            }\n\n            case TreeEntry.Attachment: {\n                const id = entry.value.id;\n                builder.addAttachment(id);\n\n                break;\n            }\n\n            case TreeEntry.Commit:\n                throw new Error(\"Should not have Commit TreeEntry in summary\");\n\n            default:\n                throw new Error(\"Unexpected TreeEntry type\");\n        }\n    }\n\n    return builder.getSummaryTree();\n}\n\n/**\n * Converts snapshot ITree to ISummaryTree format and tracks stats.\n * @param snapshot - snapshot in ITree format\n * @param fullTree - true to never use handles, even if id is specified\n */\nexport function convertToSummaryTree(\n    snapshot: ITree,\n    fullTree: boolean = false,\n): ISummarizeResult {\n    // eslint-disable-next-line @typescript-eslint/strict-boolean-expressions\n    if (snapshot.id && !fullTree) {\n        const stats = mergeStats();\n        stats.handleNodeCount++;\n        return {\n            summary: {\n                handle: snapshot.id,\n                handleType: SummaryType.Tree,\n                type: SummaryType.Handle,\n            },\n            stats,\n        };\n    } else {\n        return convertToSummaryTreeWithStats(snapshot, fullTree);\n    }\n}\n\n/**\n * Converts ISnapshotTree to ISummaryTree format and tracks stats. This snapshot tree was\n * was taken by serialize api in detached container.\n * @param snapshot - snapshot in ISnapshotTree format\n */\nexport function convertSnapshotTreeToSummaryTree(\n    snapshot: ISnapshotTree,\n): ISummaryTreeWithStats {\n    assert(Object.keys(snapshot.commits).length === 0,\n        0x19e /* \"There should not be commit tree entries in snapshot\" */);\n\n    const builder = new SummaryTreeBuilder();\n    for (const [key, value] of Object.entries(snapshot.blobs)) {\n        // The entries in blobs are supposed to be blobPath -> blobId and blobId -> blobValue\n        // and we want to push blobPath to blobValue in tree entries.\n        if (snapshot.blobs[value] !== undefined) {\n            const decoded = fromBase64ToUtf8(snapshot.blobs[value]);\n            builder.addBlob(key, decoded);\n        }\n    }\n\n    for (const [key, tree] of Object.entries(snapshot.trees)) {\n        const subtree = convertSnapshotTreeToSummaryTree(tree);\n        builder.addWithStats(key, subtree);\n    }\n    return builder.getSummaryTree();\n}\n\n/**\n * Utility to convert serialized snapshot taken in detached container to format where we can use it to\n * attach the container.\n * @param serializedSnapshotTree - serialized snapshot tree to be converted to summary tree for attach.\n */\nexport function convertContainerToDriverSerializedFormat(\n    serializedSnapshotTree: string,\n): ISummaryTree {\n    const snapshotTree: ISnapshotTree = JSON.parse(serializedSnapshotTree);\n    const summaryTree = convertSnapshotTreeToSummaryTree(snapshotTree).summary;\n    const appSummaryTree: ISummaryTree = {\n        type: SummaryType.Tree,\n        tree: {},\n    };\n    const entries = Object.entries(summaryTree.tree);\n    for (const [key, subTree] of entries) {\n        if (key !== \".protocol\") {\n            appSummaryTree.tree[key] = subTree;\n            // eslint-disable-next-line @typescript-eslint/no-dynamic-delete\n            delete summaryTree.tree[key];\n        }\n    }\n    summaryTree.tree[\".app\"] = appSummaryTree;\n    return summaryTree;\n}\n\n/**\n * Converts ISummaryTree to ITree format. This is needed for back-compat while we get rid of snapshot.\n * @param summaryTree - summary tree in ISummaryTree format\n */\nexport function convertSummaryTreeToITree(summaryTree: ISummaryTree): ITree {\n    const entries: ITreeEntry[] = [];\n    for (const [key, value] of Object.entries(summaryTree.tree)) {\n        switch (value.type) {\n            case SummaryType.Blob: {\n                let parsedContent: string;\n                let encoding: string = \"utf-8\";\n                if (typeof value.content === \"string\") {\n                    parsedContent = value.content;\n                } else {\n                    parsedContent = Uint8ArrayToString(value.content, \"base64\");\n                    encoding = \"base64\";\n                }\n                entries.push(new BlobTreeEntry(key, parsedContent, encoding));\n                break;\n            }\n\n            case SummaryType.Tree: {\n                entries.push(new TreeTreeEntry(key, convertSummaryTreeToITree(value)));\n                break;\n            }\n\n            case SummaryType.Attachment: {\n                entries.push(new AttachmentTreeEntry(key, value.id));\n                break;\n            }\n\n            case SummaryType.Handle: {\n                throw new Error(\"Should not have Handle type in summary tree\");\n            }\n\n            default:\n                unreachableCase(value, \"Unexpected summary tree type\");\n        }\n    }\n    return {\n        entries,\n    };\n}\n"]}

lib/dataStoreHelpers.js

@@ -60,3 +60,3 @@ /*!
     }
-    assert(response.value, "Invalid response value for Fluid object request");
+    assert(response.value, 0x19a /* "Invalid response value for Fluid object request" */);
     return response.value;
@@ -66,3 +66,3 @@ }
 export function createResponseError(status, value, request) {
-    assert(status !== 200, "Cannot not create response error on 200 status");
+    assert(status !== 200, 0x19b /* "Cannot not create response error on 200 status" */);
     return {
@@ -69,0 +69,0 @@ mimeType: "text/plain",

lib/dataStoreHelpers.js.map

@@ -1,1 +0,1 @@
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All rights reserved.\n * Licensed under the MIT License.\n */\n\nimport { assert } from \"@fluidframework/common-utils\";\nimport {\n    IFluidObject,\n    IFluidRouter,\n    IRequest,\n    IResponse,\n} from \"@fluidframework/core-interfaces\";\nimport {\n    IFluidDataStoreFactory,\n    IFluidDataStoreRegistry,\n    IProvideFluidDataStoreRegistry,\n} from \"@fluidframework/runtime-definitions\";\n\ninterface IResponseException extends Error {\n    errorFromRequestFluidObject: true;\n    message: string;\n    code: number;\n    stack: string;\n}\n\nexport function getStack() {\n    const err = new Error();\n    if (err.stack !== undefined) {\n        return err.stack;\n    }\n    try {\n        throw err;\n    } catch (err2) {\n        return (err2 as Error).stack;\n    }\n}\n\nexport function exceptionToResponse(err: any): IResponse {\n    const status = 500;\n    // eslint-disable-next-line no-null/no-null\n    if (err !== null && typeof err === \"object\" && err.errorFromRequestFluidObject === true) {\n        const responseErr: IResponseException = err;\n        return {\n            mimeType: \"text/plain\",\n            status: responseErr.code,\n            value: responseErr.message,\n            stack: responseErr.stack ?? getStack(),\n        };\n    }\n    return {\n        mimeType: \"text/plain\",\n        status,\n        value: `${err}`,\n        stack: getStack(),\n    };\n}\n\nexport function responseToException(response: IResponse, request: IRequest) {\n    const message = response.value;\n    const err = new Error(message);\n    const responseErr = err as any as IResponseException;\n    responseErr.errorFromRequestFluidObject = true;\n    responseErr.message = message;\n    responseErr.code = response.status;\n    if (response.stack !== undefined) {\n        try {\n            // not clear if all browsers allow overwriting stack\n            responseErr.stack = response.stack;\n        } catch (err2) {}\n    }\n    return err;\n}\n\nexport async function requestFluidObject<T = IFluidObject>(\n    router: IFluidRouter, url: string | IRequest): Promise<T> {\n    const request = typeof url === \"string\" ? { url } : url;\n    const response = await router.request(request);\n\n    if (response.status !== 200 || response.mimeType !== \"fluid/object\") {\n        throw responseToException(response, request);\n    }\n\n    assert(response.value, \"Invalid response value for Fluid object request\");\n    return response.value as T;\n}\n\nexport const create404Response = (request: IRequest) => createResponseError(404, \"not found\", request);\n\nexport function createResponseError(status: number, value: string, request: IRequest): IResponse {\n    assert(status !== 200, \"Cannot not create response error on 200 status\");\n    return {\n        mimeType: \"text/plain\",\n        status,\n        value: request.url === undefined ? value : `${value}: ${request.url}`,\n        stack: getStack(),\n    };\n}\n\nexport type Factory = IFluidDataStoreFactory & Partial<IProvideFluidDataStoreRegistry>;\n\n// eslint-disable-next-line prefer-arrow/prefer-arrow-functions\nexport function createDataStoreFactory(\n    type: string,\n    factory: Factory | Promise<Factory>,\n    ): IFluidDataStoreFactory & IFluidDataStoreRegistry\n{\n    return {\n        type,\n        get IFluidDataStoreFactory() { return this; },\n        get IFluidDataStoreRegistry() { return this; },\n        instantiateDataStore: async (context) => (await factory).instantiateDataStore(context),\n        get: async (name: string) => (await factory).IFluidDataStoreRegistry?.get(name),\n    };\n}\n"]}
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All rights reserved.\n * Licensed under the MIT License.\n */\n\nimport { assert } from \"@fluidframework/common-utils\";\nimport {\n    IFluidObject,\n    IFluidRouter,\n    IRequest,\n    IResponse,\n} from \"@fluidframework/core-interfaces\";\nimport {\n    IFluidDataStoreFactory,\n    IFluidDataStoreRegistry,\n    IProvideFluidDataStoreRegistry,\n} from \"@fluidframework/runtime-definitions\";\n\ninterface IResponseException extends Error {\n    errorFromRequestFluidObject: true;\n    message: string;\n    code: number;\n    stack: string;\n}\n\nexport function getStack() {\n    const err = new Error();\n    if (err.stack !== undefined) {\n        return err.stack;\n    }\n    try {\n        throw err;\n    } catch (err2) {\n        return (err2 as Error).stack;\n    }\n}\n\nexport function exceptionToResponse(err: any): IResponse {\n    const status = 500;\n    // eslint-disable-next-line no-null/no-null\n    if (err !== null && typeof err === \"object\" && err.errorFromRequestFluidObject === true) {\n        const responseErr: IResponseException = err;\n        return {\n            mimeType: \"text/plain\",\n            status: responseErr.code,\n            value: responseErr.message,\n            stack: responseErr.stack ?? getStack(),\n        };\n    }\n    return {\n        mimeType: \"text/plain\",\n        status,\n        value: `${err}`,\n        stack: getStack(),\n    };\n}\n\nexport function responseToException(response: IResponse, request: IRequest) {\n    const message = response.value;\n    const err = new Error(message);\n    const responseErr = err as any as IResponseException;\n    responseErr.errorFromRequestFluidObject = true;\n    responseErr.message = message;\n    responseErr.code = response.status;\n    if (response.stack !== undefined) {\n        try {\n            // not clear if all browsers allow overwriting stack\n            responseErr.stack = response.stack;\n        } catch (err2) {}\n    }\n    return err;\n}\n\nexport async function requestFluidObject<T = IFluidObject>(\n    router: IFluidRouter, url: string | IRequest): Promise<T> {\n    const request = typeof url === \"string\" ? { url } : url;\n    const response = await router.request(request);\n\n    if (response.status !== 200 || response.mimeType !== \"fluid/object\") {\n        throw responseToException(response, request);\n    }\n\n    assert(response.value, 0x19a /* \"Invalid response value for Fluid object request\" */);\n    return response.value as T;\n}\n\nexport const create404Response = (request: IRequest) => createResponseError(404, \"not found\", request);\n\nexport function createResponseError(status: number, value: string, request: IRequest): IResponse {\n    assert(status !== 200, 0x19b /* \"Cannot not create response error on 200 status\" */);\n    return {\n        mimeType: \"text/plain\",\n        status,\n        value: request.url === undefined ? value : `${value}: ${request.url}`,\n        stack: getStack(),\n    };\n}\n\nexport type Factory = IFluidDataStoreFactory & Partial<IProvideFluidDataStoreRegistry>;\n\n// eslint-disable-next-line prefer-arrow/prefer-arrow-functions\nexport function createDataStoreFactory(\n    type: string,\n    factory: Factory | Promise<Factory>,\n    ): IFluidDataStoreFactory & IFluidDataStoreRegistry\n{\n    return {\n        type,\n        get IFluidDataStoreFactory() { return this; },\n        get IFluidDataStoreRegistry() { return this; },\n        instantiateDataStore: async (context) => (await factory).instantiateDataStore(context),\n        get: async (name: string) => (await factory).IFluidDataStoreRegistry?.get(name),\n    };\n}\n"]}

lib/objectstoragepartition.js

@@ -14,3 +14,3 @@ /*!
         // `path` must not include the trailing separator.
-        assert(!path.endsWith("/"), "storage service path has trailing separator");
+        assert(!path.endsWith("/"), 0x19c /* "storage service path has trailing separator" */);
     }
@@ -17,0 +17,0 @@ async readBlob(path) {

lib/objectstoragepartition.js.map

@@ -1,1 +0,1 @@
-{"version":3,"file":"objectstoragepartition.js","sourceRoot":"","sources":["../src/objectstoragepartition.ts"],"names":[],"mappings":"AAAA;;;GAGG;AAEH,OAAO,EAAE,MAAM,EAAE,MAAM,8BAA8B,CAAC;AAGtD;;GAEG;AACH,MAAM,OAAO,sBAAsB;IAC/B,YAA6B,OAA+B,EAAmB,IAAY;QAA9D,YAAO,GAAP,OAAO,CAAwB;QAAmB,SAAI,GAAJ,IAAI,CAAQ;QACvF,kDAAkD;QAClD,MAAM,CAAC,CAAC,IAAI,CAAC,QAAQ,CAAC,GAAG,CAAC,EAAE,6CAA6C,CAAC,CAAC;IAC/E,CAAC;IAEM,KAAK,CAAC,QAAQ,CAAC,IAAY;QAC9B,OAAO,IAAI,CAAC,OAAO,CAAC,QAAQ,CAAC,GAAG,IAAI,CAAC,IAAI,IAAI,IAAI,EAAE,CAAC,CAAC;IACzD,CAAC;IAEM,KAAK,CAAC,QAAQ,CAAC,IAAY;QAC9B,OAAO,IAAI,CAAC,OAAO,CAAC,QAAQ,CAAC,GAAG,IAAI,CAAC,IAAI,IAAI,IAAI,EAAE,CAAC,CAAC;IACzD,CAAC;IAEM,KAAK,CAAC,IAAI,CAAC,IAAY;QAC1B,OAAO,IAAI,CAAC,OAAO,CAAC,IAAI,CAAC,GAAG,IAAI,CAAC,IAAI,IAAI,IAAI,EAAE,CAAC,CAAC;IACrD,CAAC;CACJ","sourcesContent":["/*!\n * Copyright (c) Microsoft Corporation. All rights reserved.\n * Licensed under the MIT License.\n */\n\nimport { assert } from \"@fluidframework/common-utils\";\nimport { IChannelStorageService } from \"@fluidframework/datastore-definitions\";\n\n/**\n * Returns a new IChannelStorageService that resolves the given `path` as root.\n */\nexport class ObjectStoragePartition implements IChannelStorageService {\n    constructor(private readonly storage: IChannelStorageService, private readonly path: string) {\n        // `path` must not include the trailing separator.\n        assert(!path.endsWith(\"/\"), \"storage service path has trailing separator\");\n    }\n\n    public async readBlob(path: string): Promise<ArrayBufferLike> {\n        return this.storage.readBlob(`${this.path}/${path}`);\n    }\n\n    public async contains(path: string): Promise<boolean> {\n        return this.storage.contains(`${this.path}/${path}`);\n    }\n\n    public async list(path: string): Promise<string[]> {\n        return this.storage.list(`${this.path}/${path}`);\n    }\n}\n"]}
+{"version":3,"file":"objectstoragepartition.js","sourceRoot":"","sources":["../src/objectstoragepartition.ts"],"names":[],"mappings":"AAAA;;;GAGG;AAEH,OAAO,EAAE,MAAM,EAAE,MAAM,8BAA8B,CAAC;AAGtD;;GAEG;AACH,MAAM,OAAO,sBAAsB;IAC/B,YAA6B,OAA+B,EAAmB,IAAY;QAA9D,YAAO,GAAP,OAAO,CAAwB;QAAmB,SAAI,GAAJ,IAAI,CAAQ;QACvF,kDAAkD;QAClD,MAAM,CAAC,CAAC,IAAI,CAAC,QAAQ,CAAC,GAAG,CAAC,EAAE,KAAK,CAAC,mDAAmD,CAAC,CAAC;IAC3F,CAAC;IAEM,KAAK,CAAC,QAAQ,CAAC,IAAY;QAC9B,OAAO,IAAI,CAAC,OAAO,CAAC,QAAQ,CAAC,GAAG,IAAI,CAAC,IAAI,IAAI,IAAI,EAAE,CAAC,CAAC;IACzD,CAAC;IAEM,KAAK,CAAC,QAAQ,CAAC,IAAY;QAC9B,OAAO,IAAI,CAAC,OAAO,CAAC,QAAQ,CAAC,GAAG,IAAI,CAAC,IAAI,IAAI,IAAI,EAAE,CAAC,CAAC;IACzD,CAAC;IAEM,KAAK,CAAC,IAAI,CAAC,IAAY;QAC1B,OAAO,IAAI,CAAC,OAAO,CAAC,IAAI,CAAC,GAAG,IAAI,CAAC,IAAI,IAAI,IAAI,EAAE,CAAC,CAAC;IACrD,CAAC;CACJ","sourcesContent":["/*!\n * Copyright (c) Microsoft Corporation. All rights reserved.\n * Licensed under the MIT License.\n */\n\nimport { assert } from \"@fluidframework/common-utils\";\nimport { IChannelStorageService } from \"@fluidframework/datastore-definitions\";\n\n/**\n * Returns a new IChannelStorageService that resolves the given `path` as root.\n */\nexport class ObjectStoragePartition implements IChannelStorageService {\n    constructor(private readonly storage: IChannelStorageService, private readonly path: string) {\n        // `path` must not include the trailing separator.\n        assert(!path.endsWith(\"/\"), 0x19c /* \"storage service path has trailing separator\" */);\n    }\n\n    public async readBlob(path: string): Promise<ArrayBufferLike> {\n        return this.storage.readBlob(`${this.path}/${path}`);\n    }\n\n    public async contains(path: string): Promise<boolean> {\n        return this.storage.contains(`${this.path}/${path}`);\n    }\n\n    public async list(path: string): Promise<string[]> {\n        return this.storage.list(`${this.path}/${path}`);\n    }\n}\n"]}

lib/packageVersion.d.ts

@@ -8,3 +8,3 @@ /*!
 export declare const pkgName = "@fluidframework/runtime-utils";
-export declare const pkgVersion = "0.37.0-20427";
+export declare const pkgVersion = "0.37.0-20517";
 //# sourceMappingURL=packageVersion.d.ts.map

lib/packageVersion.js

@@ -8,3 +8,3 @@ /*!
 export const pkgName = "@fluidframework/runtime-utils";
-export const pkgVersion = "0.37.0-20427";
+export const pkgVersion = "0.37.0-20517";
 //# sourceMappingURL=packageVersion.js.map

lib/packageVersion.js.map

@@ -1,1 +0,1 @@
-{"version":3,"file":"packageVersion.js","sourceRoot":"","sources":["../src/packageVersion.ts"],"names":[],"mappings":"AAAA;;;;;GAKG;AAEH,MAAM,CAAC,MAAM,OAAO,GAAG,+BAA+B,CAAC;AACvD,MAAM,CAAC,MAAM,UAAU,GAAG,cAAc,CAAC","sourcesContent":["/*!\n * Copyright (c) Microsoft Corporation. All rights reserved.\n * Licensed under the MIT License.\n *\n * THIS IS AN AUTOGENERATED FILE. DO NOT EDIT THIS FILE DIRECTLY\n */\n\nexport const pkgName = \"@fluidframework/runtime-utils\";\nexport const pkgVersion = \"0.37.0-20427\";\n"]}
+{"version":3,"file":"packageVersion.js","sourceRoot":"","sources":["../src/packageVersion.ts"],"names":[],"mappings":"AAAA;;;;;GAKG;AAEH,MAAM,CAAC,MAAM,OAAO,GAAG,+BAA+B,CAAC;AACvD,MAAM,CAAC,MAAM,UAAU,GAAG,cAAc,CAAC","sourcesContent":["/*!\n * Copyright (c) Microsoft Corporation. All rights reserved.\n * Licensed under the MIT License.\n *\n * THIS IS AN AUTOGENERATED FILE. DO NOT EDIT THIS FILE DIRECTLY\n */\n\nexport const pkgName = \"@fluidframework/runtime-utils\";\nexport const pkgVersion = \"0.37.0-20517\";\n"]}

lib/remoteObjectHandle.js

@@ -24,3 +24,3 @@ /*!
         this.isAttached = true;
-        assert(absolutePath.startsWith("/"), "Handles should always have absolute paths");
+        assert(absolutePath.startsWith("/"), 0x19d /* "Handles should always have absolute paths" */);
     }
@@ -27,0 +27,0 @@ get IFluidRouter() { return this; }

lib/remoteObjectHandle.js.map

@@ -1,1 +0,1 @@
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+{"version":3,"file":"remoteObjectHandle.js","sourceRoot":"","sources":["../src/remoteObjectHandle.ts"],"names":[],"mappings":"AAAA;;;GAGG;AAEH,OAAO,EAAE,MAAM,EAAE,MAAM,8BAA8B,CAAC;AAQtD,OAAO,EAAE,iBAAiB,EAAE,mBAAmB,EAAE,mBAAmB,EAAE,MAAM,oBAAoB,CAAC;AAEjG;;;;;;GAMG;AACH,MAAM,OAAO,uBAAuB;IAQhC;;;;OAIG;IACH,YACoB,YAAoB,EACpB,YAAiC;QADjC,iBAAY,GAAZ,YAAY,CAAQ;QACpB,iBAAY,GAAZ,YAAY,CAAqB;QAVrC,eAAU,GAAG,IAAI,CAAC;QAY9B,MAAM,CAAC,YAAY,CAAC,UAAU,CAAC,GAAG,CAAC,EAAE,KAAK,CAAC,iDAAiD,CAAC,CAAC;IAClG,CAAC;IAjBD,IAAW,YAAY,KAAK,OAAO,IAAI,CAAC,CAAC,CAAC;IAC1C,IAAW,mBAAmB,KAAK,OAAO,IAAI,CAAC,CAAC,CAAC;IACjD,IAAW,YAAY,KAAK,OAAO,IAAI,CAAC,CAAC,CAAC;IAiB1C;;OAEG;IACH,IAAW,IAAI;QACX,OAAO,IAAI,CAAC,YAAY,CAAC;IAC7B,CAAC;IAEM,KAAK,CAAC,GAAG;QACZ,IAAI,IAAI,CAAC,OAAO,KAAK,SAAS,EAAE;YAC5B,MAAM,OAAO,GAAG,EAAE,GAAG,EAAE,IAAI,CAAC,YAAY,EAAE,CAAC;YAC3C,IAAI,CAAC,OAAO,GAAG,IAAI,CAAC,YAAY,CAAC,aAAa,CAAC,OAAO,CAAC;iBAClD,IAAI,CAAe,CAAC,QAAQ,EAAE,EAAE;gBAC7B,IAAI,QAAQ,CAAC,QAAQ,KAAK,cAAc,EAAE;oBACtC,OAAO,QAAQ,CAAC,KAAqB,CAAC;iBACzC;gBACD,MAAM,mBAAmB,CAAC,QAAQ,EAAE,OAAO,CAAC,CAAC;YACjD,CAAC,CAAC,CAAC;SACV;QACD,OAAO,IAAI,CAAC,OAAO,CAAC;IACxB,CAAC;IAEM,WAAW;QACd,OAAO;IACX,CAAC;IAEM,IAAI,CAAC,MAAoB;QAC5B,MAAM,CAAC,WAAW,EAAE,CAAC;IACzB,CAAC;IAEM,KAAK,CAAC,OAAO,CAAC,OAAiB;QAClC,IAAI;YACA,MAAM,MAAM,GAAG,MAAM,IAAI,CAAC,GAAG,EAAkB,CAAC;YAChD,MAAM,MAAM,GAAG,MAAM,CAAC,YAAY,CAAC;YAEnC,OAAO,MAAM,KAAK,SAAS;gBACvB,CAAC,CAAC,MAAM,CAAC,OAAO,CAAC,OAAO,CAAC;gBACzB,CAAC,CAAC,iBAAiB,CAAC,OAAO,CAAC,CAAC;SACpC;QAAC,OAAO,KAAK,EAAE;YACZ,OAAO,mBAAmB,CAAC,KAAK,CAAC,CAAC;SACrC;IACL,CAAC;CACJ","sourcesContent":["/*!\n * Copyright (c) Microsoft Corporation. All rights reserved.\n * Licensed under the MIT License.\n */\n\nimport { assert } from \"@fluidframework/common-utils\";\nimport {\n    IFluidObject,\n    IFluidHandle,\n    IFluidHandleContext,\n    IRequest,\n    IResponse,\n} from \"@fluidframework/core-interfaces\";\nimport { create404Response, exceptionToResponse, responseToException } from \"./dataStoreHelpers\";\n\n/**\n * This handle is used to dynamically load a Fluid object on a remote client and is created on parsing a serialized\n * FluidObjectHandle.\n * This class is used to generate an IFluidHandle when de-serializing any all handles (including handles to DDSs, custom\n * objects) that are stored in SharedObjects. The Data Store or SharedObject corresponding to the IFluidHandle can be\n * retrieved by calling `get` on it.\n */\nexport class RemoteFluidObjectHandle implements IFluidHandle {\n    public get IFluidRouter() { return this; }\n    public get IFluidHandleContext() { return this; }\n    public get IFluidHandle() { return this; }\n\n    public readonly isAttached = true;\n    private objectP: Promise<IFluidObject> | undefined;\n\n    /**\n     * Creates a new RemoteFluidObjectHandle when parsing an IFluidHandle.\n     * @param absolutePath - The absolute path to the handle from the container runtime.\n     * @param routeContext - The root IFluidHandleContext that has a route to this handle.\n     */\n    constructor(\n        public readonly absolutePath: string,\n        public readonly routeContext: IFluidHandleContext,\n    ) {\n        assert(absolutePath.startsWith(\"/\"), 0x19d /* \"Handles should always have absolute paths\" */);\n    }\n\n    /**\n     * @deprecated - This returns the absolute path.\n     */\n    public get path() {\n        return this.absolutePath;\n    }\n\n    public async get(): Promise<any> {\n        if (this.objectP === undefined) {\n            const request = { url: this.absolutePath };\n            this.objectP = this.routeContext.resolveHandle(request)\n                .then<IFluidObject>((response) => {\n                    if (response.mimeType === \"fluid/object\") {\n                        return response.value as IFluidObject;\n                    }\n                    throw responseToException(response, request);\n                });\n        }\n        return this.objectP;\n    }\n\n    public attachGraph(): void {\n        return;\n    }\n\n    public bind(handle: IFluidHandle): void {\n        handle.attachGraph();\n    }\n\n    public async request(request: IRequest): Promise<IResponse> {\n        try {\n            const object = await this.get() as IFluidObject;\n            const router = object.IFluidRouter;\n\n            return router !== undefined\n                ? router.request(request)\n                : create404Response(request);\n        } catch (error) {\n            return exceptionToResponse(error);\n        }\n    }\n}\n"]}

lib/summarizerNode/summarizerNode.d.ts.map

@@ -1,1 +0,1 @@
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lib/summarizerNode/summarizerNode.js

@@ -57,4 +57,4 @@ /*!
     startSummary(referenceSequenceNumber, summaryLogger) {
-        assert(this.wipSummaryLogger === undefined, "wipSummaryLogger should not be set yet in startSummary");
-        assert(this.wipReferenceSequenceNumber === undefined, "Already tracking a summary");
+        assert(this.wipSummaryLogger === undefined, 0x19f /* "wipSummaryLogger should not be set yet in startSummary" */);
+        assert(this.wipReferenceSequenceNumber === undefined, 0x1a0 /* "Already tracking a summary" */);
         this.wipSummaryLogger = summaryLogger;
@@ -67,4 +67,4 @@ for (const child of this.children.values()) {
     async summarize(fullTree) {
-        assert(this.isTrackingInProgress(), "summarize should not be called when not tracking the summary");
-        assert(this.wipSummaryLogger !== undefined, "wipSummaryLogger should have been set in startSummary or ctor");
+        assert(this.isTrackingInProgress(), 0x1a1 /* "summarize should not be called when not tracking the summary" */);
+        assert(this.wipSummaryLogger !== undefined, 0x1a2 /* "wipSummaryLogger should have been set in startSummary or ctor" */);
         // Try to reuse the tree if unchanged
@@ -149,4 +149,4 @@ if (this.canReuseHandle && !fullTree && !this.hasChanged()) {
     completeSummaryCore(proposalHandle, parentPath, parentSkipRecursion) {
-        assert(this.wipSummaryLogger !== undefined, "wipSummaryLogger should have been set in startSummary or ctor");
-        assert(this.wipReferenceSequenceNumber !== undefined, "Not tracking a summary");
+        assert(this.wipSummaryLogger !== undefined, 0x1a3 /* "wipSummaryLogger should have been set in startSummary or ctor" */);
+        assert(this.wipReferenceSequenceNumber !== undefined, 0x1a4 /* "Not tracking a summary" */);
         let localPathsToUse = this.wipLocalPaths;
@@ -181,3 +181,3 @@ if (parentSkipRecursion) {
         // If there is no latestSummary, clearSummary and return before reaching this code.
-        assert(!!localPathsToUse, "Tracked summary local paths not set");
+        assert(!!localPathsToUse, 0x1a5 /* "Tracked summary local paths not set" */);
         const summary = new SummaryNode(Object.assign(Object.assign({}, localPathsToUse), { referenceSequenceNumber: this.wipReferenceSequenceNumber, basePath: parentPath }));
@@ -222,3 +222,3 @@ const fullPathForChildren = summary.fullPathForChildren;
             // This should only happen if parent skipped recursion AND no prior summary existed.
-            assert(this.latestSummary === undefined, "Not found pending summary, but this node has previously completed a summary");
+            assert(this.latestSummary === undefined, 0x1a6 /* "Not found pending summary, but this node has previously completed a summary" */);
             return;
@@ -229,3 +229,3 @@ }
             // eslint-disable-next-line max-len
-            `Pending summary reference sequence number should be consistent: ${summaryNode.referenceSequenceNumber} != ${referenceSequenceNumber}`);
+            0x1a7 /* `Pending summary reference sequence number should be consistent: ${summaryNode.referenceSequenceNumber} != ${referenceSequenceNumber}` */);
             // Clear earlier pending summaries
@@ -305,3 +305,3 @@ this.pendingSummaries.delete(proposalHandle);
             const newOpsLatestSeq = outstandingOps[outstandingOps.length - 1].sequenceNumber;
-            assert(newOpsLatestSeq <= this.trackingSequenceNumber, "When loading base summary, expected outstanding ops <= tracking sequence number");
+            assert(newOpsLatestSeq <= this.trackingSequenceNumber, 0x1a9 /* "When loading base summary, expected outstanding ops <= tracking sequence number" */);
         }
@@ -316,3 +316,3 @@ return {
         if (lastOp !== undefined) {
-            assert(lastOp.sequenceNumber < op.sequenceNumber, `Out of order change recorded: ${lastOp.sequenceNumber} > ${op.sequenceNumber}`);
+            assert(lastOp.sequenceNumber < op.sequenceNumber, 0x1aa /* `Out of order change recorded: ${lastOp.sequenceNumber} > ${op.sequenceNumber}` */);
         }
@@ -347,3 +347,3 @@ this.invalidate(op.sequenceNumber);
     createParam, config = {}) {
-        assert(!this.children.has(id), "Create SummarizerNode child already exists");
+        assert(!this.children.has(id), 0x1ab /* "Create SummarizerNode child already exists" */);
         const createDetails = this.getCreateDetailsForChild(id, createParam);
@@ -392,3 +392,3 @@ const child = new SummarizerNode(this.defaultLogger, summarizeInternalFn, config, createDetails.changeSequenceNumber, createDetails.latestSummary, createDetails.initialSummary, this.wipSummaryLogger);
                 if (this.initialSummary === undefined) {
-                    assert(!!parentLatestSummary, "Cannot create child from summary if parent does not have latest summary");
+                    assert(!!parentLatestSummary, 0x1ac /* "Cannot create child from summary if parent does not have latest summary" */);
                 }
@@ -403,3 +403,3 @@ // fallthrough to local
                         const { childrenTree } = parseSummaryTreeForSubtrees(parentInitialSummary.summary.summary);
-                        assert(childrenTree.type === 1 /* Tree */, "Parent summary object is not a tree");
+                        assert(childrenTree.type === 1 /* Tree */, 0x1d6 /* "Parent summary object is not a tree" */);
                         childSummary = childrenTree.tree[id];
@@ -409,7 +409,7 @@ }
                         // Locally created would not have differential subtree.
-                        assert(!!childSummary, "Missing child summary tree");
+                        assert(!!childSummary, 0x1ad /* "Missing child summary tree" */);
                     }
                     let childSummaryWithStats;
                     if (childSummary !== undefined) {
-                        assert(childSummary.type === 1 /* Tree */, "Child summary object is not a tree");
+                        assert(childSummary.type === 1 /* Tree */, 0x1ae /* "Child summary object is not a tree" */);
                         childSummaryWithStats = {
@@ -416,0 +416,0 @@ summary: childSummary,

lib/summarizerNode/summarizerNode.js.map

@@ -1,1 +0,1 @@
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* Copyright (c) Microsoft Corporation. All rights reserved.\n * Licensed under the MIT License.\n */\n\nimport {\n    ISummarizerNode,\n    ISummarizerNodeConfig,\n    ISummarizeInternalResult,\n    ISummarizeResult,\n    ISummaryTreeWithStats,\n    CreateChildSummarizerNodeParam,\n    CreateSummarizerNodeSource,\n} from \"@fluidframework/runtime-definitions\";\nimport {\n    ISequencedDocumentMessage,\n    SummaryType,\n    ISnapshotTree,\n    SummaryObject,\n} from \"@fluidframework/protocol-definitions\";\nimport { ITelemetryLogger } from \"@fluidframework/common-definitions\";\nimport { assert, unreachableCase } from \"@fluidframework/common-utils\";\nimport { mergeStats, convertToSummaryTree, calculateStats } from \"../summaryUtils\";\nimport {\n    decodeSummary,\n    encodeSummary,\n    EncodeSummaryParam,\n    EscapedPath,\n    ICreateChildDetails,\n    IInitialSummary,\n    ISummarizerNodeRootContract,\n    parseSummaryForSubtrees,\n    parseSummaryTreeForSubtrees,\n    ReadAndParseBlob,\n    seqFromTree,\n    SummaryNode,\n} from \"./summarizerNodeUtils\";\n\nexport interface IRootSummarizerNode extends ISummarizerNode, ISummarizerNodeRootContract {}\n\n/**\n * Encapsulates the summarizing work and state of an individual tree node in the\n * summary tree. It tracks changes and allows for optimizations when unchanged, or\n * can allow for fallback summaries to be generated when an error is encountered.\n * Usage is for the root node to call startSummary first to begin tracking a WIP\n * (work in progress) summary. Then all nodes will call summarize to summaries their\n * individual parts. Once completed and uploaded to storage, the root node will call\n * completeSummary or clearSummary to clear the WIP summary tracking state if something\n * went wrong. The SummarizerNodes will track all pending summaries that have been\n * recorded by the completeSummary call. When one of them is acked, the root node should\n * call refreshLatestSummary to inform the tree of SummarizerNodes of the new baseline\n * latest successful summary.\n */\nexport class SummarizerNode implements IRootSummarizerNode {\n    /**\n     * The reference sequence number of the most recent acked summary.\n     * Returns 0 if there is not yet an acked summary.\n     */\n    public get referenceSequenceNumber() {\n        return this.latestSummary?.referenceSequenceNumber ?? 0;\n    }\n\n    protected readonly children = new Map<string, SummarizerNode>();\n    protected readonly pendingSummaries = new Map<string, SummaryNode>();\n    private readonly outstandingOps: ISequencedDocumentMessage[] = [];\n    private wipReferenceSequenceNumber: number | undefined;\n    private wipLocalPaths: { localPath: EscapedPath, additionalPath?: EscapedPath } | undefined;\n    private wipSkipRecursion = false;\n\n    public startSummary(referenceSequenceNumber: number, summaryLogger: ITelemetryLogger) {\n        assert(this.wipSummaryLogger === undefined, \"wipSummaryLogger should not be set yet in startSummary\");\n        assert(this.wipReferenceSequenceNumber === undefined, \"Already tracking a summary\");\n\n        this.wipSummaryLogger = summaryLogger;\n\n        for (const child of this.children.values()) {\n            child.startSummary(referenceSequenceNumber, this.wipSummaryLogger);\n        }\n        this.wipReferenceSequenceNumber = referenceSequenceNumber;\n    }\n\n    public async summarize(fullTree: boolean): Promise<ISummarizeResult> {\n        assert(this.isTrackingInProgress(), \"summarize should not be called when not tracking the summary\");\n        assert(this.wipSummaryLogger !== undefined, \"wipSummaryLogger should have been set in startSummary or ctor\");\n\n        // Try to reuse the tree if unchanged\n        if (this.canReuseHandle && !fullTree && !this.hasChanged()) {\n            const latestSummary = this.latestSummary;\n            if (latestSummary !== undefined) {\n                this.wipLocalPaths = {\n                    localPath: latestSummary.localPath,\n                    additionalPath: latestSummary.additionalPath,\n                };\n                this.wipSkipRecursion = true;\n                const stats = mergeStats();\n                stats.handleNodeCount++;\n                return {\n                    summary: {\n                        type: SummaryType.Handle,\n                        handle: latestSummary.fullPath.path,\n                        handleType: SummaryType.Tree,\n                    },\n                    stats,\n                };\n            }\n        }\n\n        try {\n            const result = await this.summarizeInternalFn(fullTree);\n            this.wipLocalPaths = { localPath: EscapedPath.create(result.id) };\n            if (result.pathPartsForChildren !== undefined) {\n                this.wipLocalPaths.additionalPath = EscapedPath.createAndConcat(result.pathPartsForChildren);\n            }\n            return { summary: result.summary, stats: result.stats };\n        } catch (error) {\n            if (this.throwOnError || this.trackingSequenceNumber < this._changeSequenceNumber) {\n                throw error;\n            }\n            const latestSummary = this.latestSummary;\n            const initialSummary = this.initialSummary;\n\n            let encodeParam: EncodeSummaryParam;\n            let localPath: EscapedPath;\n            if (latestSummary !== undefined) {\n                // Create using handle of latest acked summary\n                encodeParam = {\n                    fromSummary: true,\n                    summaryNode: latestSummary,\n                };\n                localPath = latestSummary.localPath;\n            } else if (initialSummary?.summary !== undefined) {\n                // Create using initial summary from attach op\n                encodeParam = {\n                    fromSummary: false,\n                    initialSummary: initialSummary.summary,\n                };\n                localPath = EscapedPath.create(initialSummary.id);\n            } else {\n                // No base summary to reference\n                throw error;\n            }\n            this.wipSummaryLogger.sendErrorEvent({\n                eventName: \"SummarizingWithBasePlusOps\",\n            },\n            error);\n            const summary = encodeSummary(encodeParam, this.outstandingOps);\n            this.wipLocalPaths = {\n                localPath,\n                additionalPath: summary.additionalPath,\n            };\n            this.wipSkipRecursion = true;\n            return { summary: summary.summary, stats: summary.stats };\n        }\n    }\n\n    /**\n     * Complete the WIP summary for the given proposalHandle\n     */\n    public completeSummary(proposalHandle: string) {\n        this.completeSummaryCore(proposalHandle, undefined, false);\n    }\n\n    /**\n     * Recursive implementation for completeSummary, with additional internal-only parameters\n     */\n    protected completeSummaryCore(\n        proposalHandle: string,\n        parentPath: EscapedPath | undefined,\n        parentSkipRecursion: boolean,\n    ) {\n        assert(this.wipSummaryLogger !== undefined, \"wipSummaryLogger should have been set in startSummary or ctor\");\n        assert(this.wipReferenceSequenceNumber !== undefined, \"Not tracking a summary\");\n        let localPathsToUse = this.wipLocalPaths;\n\n        if (parentSkipRecursion) {\n            const latestSummary = this.latestSummary;\n            if (latestSummary !== undefined) {\n                // This case the parent node created a failure summary or was reused.\n                // This node and all children should only try to reference their path\n                // by its last known good state in the actual summary tree.\n                // If parent fails or is reused, the child summarize is not called so\n                // it did not get a chance to change its paths.\n                // In this case, essentially only propagate the new summary ref seq num.\n                localPathsToUse = {\n                    localPath: latestSummary.localPath,\n                    additionalPath: latestSummary.additionalPath,\n                };\n            } else {\n                // This case the child is added after the latest non-failure summary.\n                // This node and all children should consider themselves as still not\n                // having a successful summary yet.\n                // We cannot \"reuse\" this node if unchanged since that summary, because\n                // handles will be unable to point to that node. It never made it to the\n                // tree itself, and only exists as an attach op in the _outstandingOps.\n                this.clearSummary();\n                return;\n            }\n        }\n\n        // This should come from wipLocalPaths in normal cases, or from the latestSummary\n        // if parentIsFailure or parentIsReused is true.\n        // If there is no latestSummary, clearSummary and return before reaching this code.\n        assert(!!localPathsToUse, \"Tracked summary local paths not set\");\n\n        const summary = new SummaryNode({\n            ...localPathsToUse,\n            referenceSequenceNumber: this.wipReferenceSequenceNumber,\n            basePath: parentPath,\n        });\n        const fullPathForChildren = summary.fullPathForChildren;\n        for (const child of this.children.values()) {\n            child.completeSummaryCore(\n                proposalHandle,\n                fullPathForChildren,\n                this.wipSkipRecursion || parentSkipRecursion,\n            );\n        }\n        // Note that this overwrites existing pending summary with\n        // the same proposalHandle. If proposalHandle is something like\n        // a hash or unique identifier, this should be fine. If storage\n        // can return the same proposalHandle for a different summary,\n        // this should still be okay, because we should be proposing the\n        // newer one later which would have to overwrite the previous one.\n        this.pendingSummaries.set(proposalHandle, summary);\n        this.clearSummary();\n    }\n\n    public clearSummary() {\n        this.wipReferenceSequenceNumber = undefined;\n        this.wipLocalPaths = undefined;\n        this.wipSkipRecursion = false;\n        this.wipSummaryLogger = undefined;\n        for (const child of this.children.values()) {\n            child.clearSummary();\n        }\n    }\n\n    public async refreshLatestSummary(\n        proposalHandle: string | undefined,\n        getSnapshot: () => Promise<ISnapshotTree>,\n        readAndParseBlob: ReadAndParseBlob,\n        correlatedSummaryLogger: ITelemetryLogger,\n    ): Promise<void> {\n        if (proposalHandle !== undefined) {\n            const maybeSummaryNode = this.pendingSummaries.get(proposalHandle);\n\n            if (maybeSummaryNode !== undefined) {\n                this.refreshLatestSummaryFromPending(proposalHandle, maybeSummaryNode.referenceSequenceNumber);\n                return;\n            }\n        }\n\n        const snapshotTree = await getSnapshot();\n        const referenceSequenceNumber = await seqFromTree(snapshotTree, readAndParseBlob);\n        await this.refreshLatestSummaryFromSnapshot(\n            referenceSequenceNumber,\n            snapshotTree,\n            undefined,\n            EscapedPath.create(\"\"),\n            correlatedSummaryLogger,\n            readAndParseBlob,\n        );\n    }\n\n    protected refreshLatestSummaryFromPending(\n        proposalHandle: string,\n        referenceSequenceNumber: number,\n    ): void {\n        const summaryNode = this.pendingSummaries.get(proposalHandle);\n        if (summaryNode === undefined) {\n            // This should only happen if parent skipped recursion AND no prior summary existed.\n            assert(\n                this.latestSummary === undefined,\n                \"Not found pending summary, but this node has previously completed a summary\",\n            );\n            return;\n        } else {\n            assert(\n                referenceSequenceNumber === summaryNode.referenceSequenceNumber,\n                // eslint-disable-next-line max-len\n                `Pending summary reference sequence number should be consistent: ${summaryNode.referenceSequenceNumber} != ${referenceSequenceNumber}`,\n            );\n\n            // Clear earlier pending summaries\n            this.pendingSummaries.delete(proposalHandle);\n        }\n\n        this.refreshLatestSummaryCore(referenceSequenceNumber);\n\n        this.latestSummary = summaryNode;\n\n        // Propagate update to all child nodes\n        for (const child of this.children.values()) {\n            child.refreshLatestSummaryFromPending(proposalHandle, referenceSequenceNumber);\n        }\n    }\n\n    protected async refreshLatestSummaryFromSnapshot(\n        referenceSequenceNumber: number,\n        snapshotTree: ISnapshotTree,\n        basePath: EscapedPath | undefined,\n        localPath: EscapedPath,\n        correlatedSummaryLogger: ITelemetryLogger,\n        readAndParseBlob: ReadAndParseBlob,\n    ): Promise<void> {\n        // Possible re-entrancy. If we have already seen a summary later than this one, ignore it.\n        if (this.referenceSequenceNumber >= referenceSequenceNumber) {\n            return;\n        }\n\n        this.refreshLatestSummaryCore(referenceSequenceNumber);\n\n        const { baseSummary, pathParts } = decodeSummary(snapshotTree, correlatedSummaryLogger);\n\n        this.latestSummary = new SummaryNode({\n            referenceSequenceNumber,\n            basePath,\n            localPath,\n        });\n\n        const { childrenTree, childrenPathPart } = parseSummaryForSubtrees(baseSummary);\n        if (childrenPathPart !== undefined) {\n            pathParts.push(childrenPathPart);\n        }\n\n        if (pathParts.length > 0) {\n            this.latestSummary.additionalPath = EscapedPath.createAndConcat(pathParts);\n        }\n\n        // Propagate update to all child nodes\n        const pathForChildren = this.latestSummary.fullPathForChildren;\n        await Promise.all(Array.from(this.children)\n            .filter(([id]) => {\n                // Assuming subtrees missing from snapshot are newer than the snapshot,\n                // but might be nice to assert this using earliest seq for node.\n                return childrenTree.trees[id] !== undefined;\n            }).map(async ([id, child]) => {\n                return child.refreshLatestSummaryFromSnapshot(\n                    referenceSequenceNumber,\n                    childrenTree.trees[id],\n                    pathForChildren,\n                    EscapedPath.create(id),\n                    correlatedSummaryLogger,\n                    readAndParseBlob,\n                );\n            }));\n    }\n\n    private refreshLatestSummaryCore(referenceSequenceNumber: number): void {\n        for (const [key, value] of this.pendingSummaries) {\n            if (value.referenceSequenceNumber < referenceSequenceNumber) {\n                this.pendingSummaries.delete(key);\n            }\n        }\n\n        // Clear earlier outstanding ops\n        while (\n            this.outstandingOps.length > 0\n            && this.outstandingOps[0].sequenceNumber <= referenceSequenceNumber\n        ) {\n            this.outstandingOps.shift();\n        }\n    }\n\n    public loadBaseSummaryWithoutDifferential(snapshot: ISnapshotTree) {\n        // Check base summary to see if it has any additional path parts\n        // separating child SummarizerNodes. Checks for .channels subtrees.\n        const { childrenPathPart } = parseSummaryForSubtrees(snapshot);\n        if (childrenPathPart !== undefined && this.latestSummary !== undefined) {\n            this.latestSummary.additionalPath = EscapedPath.create(childrenPathPart);\n        }\n    }\n\n    public async loadBaseSummary(\n        snapshot: ISnapshotTree,\n        readAndParseBlob: ReadAndParseBlob,\n    ): Promise<{ baseSummary: ISnapshotTree, outstandingOps: ISequencedDocumentMessage[] }> {\n        const decodedSummary = decodeSummary(snapshot, this.defaultLogger);\n        const outstandingOps = await decodedSummary.getOutstandingOps(readAndParseBlob);\n\n        const { childrenPathPart } = parseSummaryForSubtrees(decodedSummary.baseSummary);\n        if (childrenPathPart !== undefined) {\n            decodedSummary.pathParts.push(childrenPathPart);\n        }\n\n        if (decodedSummary.pathParts.length > 0 && this.latestSummary !== undefined) {\n            this.latestSummary.additionalPath = EscapedPath.createAndConcat(decodedSummary.pathParts);\n        }\n\n        // Defensive assertion: tracking number should already exceed this number.\n        // This is probably a little excessive; can remove when stable.\n        if (outstandingOps.length > 0) {\n            const newOpsLatestSeq = outstandingOps[outstandingOps.length - 1].sequenceNumber;\n            assert(\n                newOpsLatestSeq <= this.trackingSequenceNumber,\n                \"When loading base summary, expected outstanding ops <= tracking sequence number\",\n            );\n        }\n\n        return {\n            baseSummary: decodedSummary.baseSummary,\n            outstandingOps,\n        };\n    }\n\n    public recordChange(op: ISequencedDocumentMessage): void {\n        const lastOp = this.outstandingOps[this.outstandingOps.length - 1];\n        if (lastOp !== undefined) {\n            assert(\n                lastOp.sequenceNumber < op.sequenceNumber,\n                `Out of order change recorded: ${lastOp.sequenceNumber} > ${op.sequenceNumber}`,\n            );\n        }\n        this.invalidate(op.sequenceNumber);\n        this.trackingSequenceNumber = op.sequenceNumber;\n        this.outstandingOps.push(op);\n    }\n\n    public invalidate(sequenceNumber: number): void {\n        if (sequenceNumber > this._changeSequenceNumber) {\n            this._changeSequenceNumber = sequenceNumber;\n        }\n    }\n\n    /**\n     * True if a change has been recorded with sequence number exceeding\n     * the latest successfully acked summary reference sequence number.\n     * False implies that the previous summary can be reused.\n     */\n    protected hasChanged(): boolean {\n        return this._changeSequenceNumber > this.referenceSequenceNumber;\n    }\n\n    private readonly canReuseHandle: boolean;\n    private readonly throwOnError: boolean;\n    private trackingSequenceNumber: number;\n\n    /**\n     * Do not call constructor directly.\n     * Use createRootSummarizerNode to create root node, or createChild to create child nodes.\n     */\n    public constructor(\n        protected readonly defaultLogger: ITelemetryLogger,\n        private readonly summarizeInternalFn: (fullTree: boolean) => Promise<ISummarizeInternalResult>,\n        config: ISummarizerNodeConfig,\n        private _changeSequenceNumber: number,\n        /** Undefined means created without summary */\n        private latestSummary?: SummaryNode,\n        private readonly initialSummary?: IInitialSummary,\n        protected wipSummaryLogger?: ITelemetryLogger,\n    ) {\n        this.canReuseHandle = config.canReuseHandle ?? true;\n        // BUGBUG: Seeing issues with differential summaries.\n        // this will disable them, and throw instead\n        // while we continue to investigate\n        this.throwOnError = true; // config.throwOnFailure ?? false;\n        this.trackingSequenceNumber = this._changeSequenceNumber;\n    }\n\n    public createChild(\n        /** Summarize function */\n        summarizeInternalFn: (fullTree: boolean) => Promise<ISummarizeInternalResult>,\n        /** Initial id or path part of this node */\n        id: string,\n        /**\n         * Information needed to create the node.\n         * If it is from a base summary, it will assert that a summary has been seen.\n         * Attach information if it is created from an attach op.\n         */\n        createParam: CreateChildSummarizerNodeParam,\n        config: ISummarizerNodeConfig = {},\n    ): ISummarizerNode {\n        assert(!this.children.has(id), \"Create SummarizerNode child already exists\");\n\n        const createDetails: ICreateChildDetails = this.getCreateDetailsForChild(id, createParam);\n        const child = new SummarizerNode(\n            this.defaultLogger,\n            summarizeInternalFn,\n            config,\n            createDetails.changeSequenceNumber,\n            createDetails.latestSummary,\n            createDetails.initialSummary,\n            this.wipSummaryLogger,\n        );\n\n        // There may be additional state that has to be updated in this child. For example, if a summary is being\n        // tracked, the child's summary tracking state needs to be updated too.\n        this.maybeUpdateChildState(child);\n\n        this.children.set(id, child);\n        return child;\n    }\n\n    public getChild(id: string): ISummarizerNode | undefined {\n        return this.children.get(id);\n    }\n\n    /**\n     * Returns the details needed to create a child node.\n     * @param id - Initial id or path part of the child node.\n     * @param createParam - Information needed to create the node.\n     * @returns the details needed to create the child node.\n     */\n    protected getCreateDetailsForChild(id: string, createParam: CreateChildSummarizerNodeParam): ICreateChildDetails {\n        let initialSummary: IInitialSummary | undefined;\n        let latestSummary: SummaryNode | undefined;\n        let changeSequenceNumber: number;\n\n        const parentLatestSummary = this.latestSummary;\n        switch (createParam.type) {\n            case CreateSummarizerNodeSource.FromAttach: {\n                if (\n                    parentLatestSummary !== undefined\n                    && createParam.sequenceNumber <= parentLatestSummary.referenceSequenceNumber\n                ) {\n                    // Prioritize latest summary if it was after this node was attached.\n                    latestSummary = parentLatestSummary.createForChild(id);\n                } else {\n                    const summary = convertToSummaryTree(createParam.snapshot) as ISummaryTreeWithStats;\n                    initialSummary = {\n                        sequenceNumber: createParam.sequenceNumber,\n                        id,\n                        summary,\n                    };\n                }\n                changeSequenceNumber = createParam.sequenceNumber;\n                break;\n            }\n            case CreateSummarizerNodeSource.FromSummary: {\n                if (this.initialSummary === undefined) {\n                    assert(\n                        !!parentLatestSummary,\n                        \"Cannot create child from summary if parent does not have latest summary\");\n                }\n                // fallthrough to local\n            }\n            case CreateSummarizerNodeSource.Local: {\n                const parentInitialSummary = this.initialSummary;\n                if (parentInitialSummary !== undefined) {\n                    let childSummary: SummaryObject | undefined;\n                    if (parentInitialSummary.summary !== undefined) {\n                        const { childrenTree } = parseSummaryTreeForSubtrees(parentInitialSummary.summary.summary);\n                        assert(\n                            childrenTree.type === SummaryType.Tree,\n                            \"Parent summary object is not a tree\",\n                        );\n                        childSummary = childrenTree.tree[id];\n                    }\n                    if (createParam.type === CreateSummarizerNodeSource.FromSummary) {\n                        // Locally created would not have differential subtree.\n                        assert(!!childSummary, \"Missing child summary tree\");\n                    }\n                    let childSummaryWithStats: ISummaryTreeWithStats | undefined;\n                    if (childSummary !== undefined) {\n                        assert(\n                            childSummary.type === SummaryType.Tree,\n                            \"Child summary object is not a tree\",\n                        );\n                        childSummaryWithStats = {\n                            summary: childSummary,\n                            stats: calculateStats(childSummary),\n                        };\n                    }\n                    initialSummary = {\n                        sequenceNumber: parentInitialSummary.sequenceNumber,\n                        id,\n                        summary: childSummaryWithStats,\n                    };\n                }\n                latestSummary = parentLatestSummary?.createForChild(id);\n                changeSequenceNumber = parentLatestSummary?.referenceSequenceNumber ?? -1;\n                break;\n            }\n            default: {\n                const type = (createParam as unknown as CreateChildSummarizerNodeParam).type;\n                unreachableCase(createParam, `Unexpected CreateSummarizerNodeSource: ${type}`);\n            }\n        }\n\n        return {\n            initialSummary,\n            latestSummary,\n            changeSequenceNumber,\n        };\n    }\n\n    /**\n     * Updates the state of the child if required. For example, if a summary is currently being  tracked, the child's\n     * summary tracking state needs to be updated too.\n     * @param child - The child node whose state is to be updated.\n     */\n    protected maybeUpdateChildState(child: SummarizerNode) {\n        // If we are tracking a summary, this child was created after the tracking started. So, we need to update the\n        // child's tracking state as well.\n        if (this.isTrackingInProgress()) {\n            child.wipReferenceSequenceNumber = this.wipReferenceSequenceNumber;\n        }\n    }\n\n    /**\n     * Tells whether summary tracking is in progress. True if \"startSummary\" API is called before summarize.\n     */\n    protected isTrackingInProgress(): boolean {\n        return this.wipReferenceSequenceNumber !== undefined;\n    }\n}\n\n/**\n * Creates a root summarizer node.\n * @param logger - Logger to use within SummarizerNode\n * @param summarizeInternalFn - Function to generate summary\n * @param changeSequenceNumber - Sequence number of latest change to new node/subtree\n * @param referenceSequenceNumber - Reference sequence number of last acked summary,\n * or undefined if not loaded from summary\n * @param config - Configure behavior of summarizer node\n */\nexport const createRootSummarizerNode = (\n    logger: ITelemetryLogger,\n    summarizeInternalFn: (fullTree: boolean) => Promise<ISummarizeInternalResult>,\n    changeSequenceNumber: number,\n    referenceSequenceNumber: number | undefined,\n    config: ISummarizerNodeConfig = {},\n): IRootSummarizerNode => new SummarizerNode(\n        logger,\n        summarizeInternalFn,\n        config,\n        changeSequenceNumber,\n        referenceSequenceNumber === undefined ? undefined : SummaryNode.createForRoot(referenceSequenceNumber),\n    );\n"]}
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* Copyright (c) Microsoft Corporation. All rights reserved.\n * Licensed under the MIT License.\n */\n\nimport {\n    ISummarizerNode,\n    ISummarizerNodeConfig,\n    ISummarizeInternalResult,\n    ISummarizeResult,\n    ISummaryTreeWithStats,\n    CreateChildSummarizerNodeParam,\n    CreateSummarizerNodeSource,\n} from \"@fluidframework/runtime-definitions\";\nimport {\n    ISequencedDocumentMessage,\n    SummaryType,\n    ISnapshotTree,\n    SummaryObject,\n} from \"@fluidframework/protocol-definitions\";\nimport { ITelemetryLogger } from \"@fluidframework/common-definitions\";\nimport { assert, unreachableCase } from \"@fluidframework/common-utils\";\nimport { mergeStats, convertToSummaryTree, calculateStats } from \"../summaryUtils\";\nimport {\n    decodeSummary,\n    encodeSummary,\n    EncodeSummaryParam,\n    EscapedPath,\n    ICreateChildDetails,\n    IInitialSummary,\n    ISummarizerNodeRootContract,\n    parseSummaryForSubtrees,\n    parseSummaryTreeForSubtrees,\n    ReadAndParseBlob,\n    seqFromTree,\n    SummaryNode,\n} from \"./summarizerNodeUtils\";\n\nexport interface IRootSummarizerNode extends ISummarizerNode, ISummarizerNodeRootContract {}\n\n/**\n * Encapsulates the summarizing work and state of an individual tree node in the\n * summary tree. It tracks changes and allows for optimizations when unchanged, or\n * can allow for fallback summaries to be generated when an error is encountered.\n * Usage is for the root node to call startSummary first to begin tracking a WIP\n * (work in progress) summary. Then all nodes will call summarize to summaries their\n * individual parts. Once completed and uploaded to storage, the root node will call\n * completeSummary or clearSummary to clear the WIP summary tracking state if something\n * went wrong. The SummarizerNodes will track all pending summaries that have been\n * recorded by the completeSummary call. When one of them is acked, the root node should\n * call refreshLatestSummary to inform the tree of SummarizerNodes of the new baseline\n * latest successful summary.\n */\nexport class SummarizerNode implements IRootSummarizerNode {\n    /**\n     * The reference sequence number of the most recent acked summary.\n     * Returns 0 if there is not yet an acked summary.\n     */\n    public get referenceSequenceNumber() {\n        return this.latestSummary?.referenceSequenceNumber ?? 0;\n    }\n\n    protected readonly children = new Map<string, SummarizerNode>();\n    protected readonly pendingSummaries = new Map<string, SummaryNode>();\n    private readonly outstandingOps: ISequencedDocumentMessage[] = [];\n    private wipReferenceSequenceNumber: number | undefined;\n    private wipLocalPaths: { localPath: EscapedPath, additionalPath?: EscapedPath } | undefined;\n    private wipSkipRecursion = false;\n\n    public startSummary(referenceSequenceNumber: number, summaryLogger: ITelemetryLogger) {\n        assert(this.wipSummaryLogger === undefined,\n            0x19f /* \"wipSummaryLogger should not be set yet in startSummary\" */);\n        assert(this.wipReferenceSequenceNumber === undefined, 0x1a0 /* \"Already tracking a summary\" */);\n\n        this.wipSummaryLogger = summaryLogger;\n\n        for (const child of this.children.values()) {\n            child.startSummary(referenceSequenceNumber, this.wipSummaryLogger);\n        }\n        this.wipReferenceSequenceNumber = referenceSequenceNumber;\n    }\n\n    public async summarize(fullTree: boolean): Promise<ISummarizeResult> {\n        assert(this.isTrackingInProgress(), 0x1a1 /* \"summarize should not be called when not tracking the summary\" */);\n        assert(this.wipSummaryLogger !== undefined,\n            0x1a2 /* \"wipSummaryLogger should have been set in startSummary or ctor\" */);\n\n        // Try to reuse the tree if unchanged\n        if (this.canReuseHandle && !fullTree && !this.hasChanged()) {\n            const latestSummary = this.latestSummary;\n            if (latestSummary !== undefined) {\n                this.wipLocalPaths = {\n                    localPath: latestSummary.localPath,\n                    additionalPath: latestSummary.additionalPath,\n                };\n                this.wipSkipRecursion = true;\n                const stats = mergeStats();\n                stats.handleNodeCount++;\n                return {\n                    summary: {\n                        type: SummaryType.Handle,\n                        handle: latestSummary.fullPath.path,\n                        handleType: SummaryType.Tree,\n                    },\n                    stats,\n                };\n            }\n        }\n\n        try {\n            const result = await this.summarizeInternalFn(fullTree);\n            this.wipLocalPaths = { localPath: EscapedPath.create(result.id) };\n            if (result.pathPartsForChildren !== undefined) {\n                this.wipLocalPaths.additionalPath = EscapedPath.createAndConcat(result.pathPartsForChildren);\n            }\n            return { summary: result.summary, stats: result.stats };\n        } catch (error) {\n            if (this.throwOnError || this.trackingSequenceNumber < this._changeSequenceNumber) {\n                throw error;\n            }\n            const latestSummary = this.latestSummary;\n            const initialSummary = this.initialSummary;\n\n            let encodeParam: EncodeSummaryParam;\n            let localPath: EscapedPath;\n            if (latestSummary !== undefined) {\n                // Create using handle of latest acked summary\n                encodeParam = {\n                    fromSummary: true,\n                    summaryNode: latestSummary,\n                };\n                localPath = latestSummary.localPath;\n            } else if (initialSummary?.summary !== undefined) {\n                // Create using initial summary from attach op\n                encodeParam = {\n                    fromSummary: false,\n                    initialSummary: initialSummary.summary,\n                };\n                localPath = EscapedPath.create(initialSummary.id);\n            } else {\n                // No base summary to reference\n                throw error;\n            }\n            this.wipSummaryLogger.sendErrorEvent({\n                eventName: \"SummarizingWithBasePlusOps\",\n            },\n            error);\n            const summary = encodeSummary(encodeParam, this.outstandingOps);\n            this.wipLocalPaths = {\n                localPath,\n                additionalPath: summary.additionalPath,\n            };\n            this.wipSkipRecursion = true;\n            return { summary: summary.summary, stats: summary.stats };\n        }\n    }\n\n    /**\n     * Complete the WIP summary for the given proposalHandle\n     */\n    public completeSummary(proposalHandle: string) {\n        this.completeSummaryCore(proposalHandle, undefined, false);\n    }\n\n    /**\n     * Recursive implementation for completeSummary, with additional internal-only parameters\n     */\n    protected completeSummaryCore(\n        proposalHandle: string,\n        parentPath: EscapedPath | undefined,\n        parentSkipRecursion: boolean,\n    ) {\n        assert(this.wipSummaryLogger !== undefined,\n            0x1a3 /* \"wipSummaryLogger should have been set in startSummary or ctor\" */);\n        assert(this.wipReferenceSequenceNumber !== undefined, 0x1a4 /* \"Not tracking a summary\" */);\n        let localPathsToUse = this.wipLocalPaths;\n\n        if (parentSkipRecursion) {\n            const latestSummary = this.latestSummary;\n            if (latestSummary !== undefined) {\n                // This case the parent node created a failure summary or was reused.\n                // This node and all children should only try to reference their path\n                // by its last known good state in the actual summary tree.\n                // If parent fails or is reused, the child summarize is not called so\n                // it did not get a chance to change its paths.\n                // In this case, essentially only propagate the new summary ref seq num.\n                localPathsToUse = {\n                    localPath: latestSummary.localPath,\n                    additionalPath: latestSummary.additionalPath,\n                };\n            } else {\n                // This case the child is added after the latest non-failure summary.\n                // This node and all children should consider themselves as still not\n                // having a successful summary yet.\n                // We cannot \"reuse\" this node if unchanged since that summary, because\n                // handles will be unable to point to that node. It never made it to the\n                // tree itself, and only exists as an attach op in the _outstandingOps.\n                this.clearSummary();\n                return;\n            }\n        }\n\n        // This should come from wipLocalPaths in normal cases, or from the latestSummary\n        // if parentIsFailure or parentIsReused is true.\n        // If there is no latestSummary, clearSummary and return before reaching this code.\n        assert(!!localPathsToUse, 0x1a5 /* \"Tracked summary local paths not set\" */);\n\n        const summary = new SummaryNode({\n            ...localPathsToUse,\n            referenceSequenceNumber: this.wipReferenceSequenceNumber,\n            basePath: parentPath,\n        });\n        const fullPathForChildren = summary.fullPathForChildren;\n        for (const child of this.children.values()) {\n            child.completeSummaryCore(\n                proposalHandle,\n                fullPathForChildren,\n                this.wipSkipRecursion || parentSkipRecursion,\n            );\n        }\n        // Note that this overwrites existing pending summary with\n        // the same proposalHandle. If proposalHandle is something like\n        // a hash or unique identifier, this should be fine. If storage\n        // can return the same proposalHandle for a different summary,\n        // this should still be okay, because we should be proposing the\n        // newer one later which would have to overwrite the previous one.\n        this.pendingSummaries.set(proposalHandle, summary);\n        this.clearSummary();\n    }\n\n    public clearSummary() {\n        this.wipReferenceSequenceNumber = undefined;\n        this.wipLocalPaths = undefined;\n        this.wipSkipRecursion = false;\n        this.wipSummaryLogger = undefined;\n        for (const child of this.children.values()) {\n            child.clearSummary();\n        }\n    }\n\n    public async refreshLatestSummary(\n        proposalHandle: string | undefined,\n        getSnapshot: () => Promise<ISnapshotTree>,\n        readAndParseBlob: ReadAndParseBlob,\n        correlatedSummaryLogger: ITelemetryLogger,\n    ): Promise<void> {\n        if (proposalHandle !== undefined) {\n            const maybeSummaryNode = this.pendingSummaries.get(proposalHandle);\n\n            if (maybeSummaryNode !== undefined) {\n                this.refreshLatestSummaryFromPending(proposalHandle, maybeSummaryNode.referenceSequenceNumber);\n                return;\n            }\n        }\n\n        const snapshotTree = await getSnapshot();\n        const referenceSequenceNumber = await seqFromTree(snapshotTree, readAndParseBlob);\n        await this.refreshLatestSummaryFromSnapshot(\n            referenceSequenceNumber,\n            snapshotTree,\n            undefined,\n            EscapedPath.create(\"\"),\n            correlatedSummaryLogger,\n            readAndParseBlob,\n        );\n    }\n\n    protected refreshLatestSummaryFromPending(\n        proposalHandle: string,\n        referenceSequenceNumber: number,\n    ): void {\n        const summaryNode = this.pendingSummaries.get(proposalHandle);\n        if (summaryNode === undefined) {\n            // This should only happen if parent skipped recursion AND no prior summary existed.\n            assert(\n                this.latestSummary === undefined,\n                0x1a6 /* \"Not found pending summary, but this node has previously completed a summary\" */,\n            );\n            return;\n        } else {\n            assert(\n                referenceSequenceNumber === summaryNode.referenceSequenceNumber,\n                // eslint-disable-next-line max-len\n                0x1a7 /* `Pending summary reference sequence number should be consistent: ${summaryNode.referenceSequenceNumber} != ${referenceSequenceNumber}` */,\n            );\n\n            // Clear earlier pending summaries\n            this.pendingSummaries.delete(proposalHandle);\n        }\n\n        this.refreshLatestSummaryCore(referenceSequenceNumber);\n\n        this.latestSummary = summaryNode;\n\n        // Propagate update to all child nodes\n        for (const child of this.children.values()) {\n            child.refreshLatestSummaryFromPending(proposalHandle, referenceSequenceNumber);\n        }\n    }\n\n    protected async refreshLatestSummaryFromSnapshot(\n        referenceSequenceNumber: number,\n        snapshotTree: ISnapshotTree,\n        basePath: EscapedPath | undefined,\n        localPath: EscapedPath,\n        correlatedSummaryLogger: ITelemetryLogger,\n        readAndParseBlob: ReadAndParseBlob,\n    ): Promise<void> {\n        // Possible re-entrancy. If we have already seen a summary later than this one, ignore it.\n        if (this.referenceSequenceNumber >= referenceSequenceNumber) {\n            return;\n        }\n\n        this.refreshLatestSummaryCore(referenceSequenceNumber);\n\n        const { baseSummary, pathParts } = decodeSummary(snapshotTree, correlatedSummaryLogger);\n\n        this.latestSummary = new SummaryNode({\n            referenceSequenceNumber,\n            basePath,\n            localPath,\n        });\n\n        const { childrenTree, childrenPathPart } = parseSummaryForSubtrees(baseSummary);\n        if (childrenPathPart !== undefined) {\n            pathParts.push(childrenPathPart);\n        }\n\n        if (pathParts.length > 0) {\n            this.latestSummary.additionalPath = EscapedPath.createAndConcat(pathParts);\n        }\n\n        // Propagate update to all child nodes\n        const pathForChildren = this.latestSummary.fullPathForChildren;\n        await Promise.all(Array.from(this.children)\n            .filter(([id]) => {\n                // Assuming subtrees missing from snapshot are newer than the snapshot,\n                // but might be nice to assert this using earliest seq for node.\n                return childrenTree.trees[id] !== undefined;\n            }).map(async ([id, child]) => {\n                return child.refreshLatestSummaryFromSnapshot(\n                    referenceSequenceNumber,\n                    childrenTree.trees[id],\n                    pathForChildren,\n                    EscapedPath.create(id),\n                    correlatedSummaryLogger,\n                    readAndParseBlob,\n                );\n            }));\n    }\n\n    private refreshLatestSummaryCore(referenceSequenceNumber: number): void {\n        for (const [key, value] of this.pendingSummaries) {\n            if (value.referenceSequenceNumber < referenceSequenceNumber) {\n                this.pendingSummaries.delete(key);\n            }\n        }\n\n        // Clear earlier outstanding ops\n        while (\n            this.outstandingOps.length > 0\n            && this.outstandingOps[0].sequenceNumber <= referenceSequenceNumber\n        ) {\n            this.outstandingOps.shift();\n        }\n    }\n\n    public loadBaseSummaryWithoutDifferential(snapshot: ISnapshotTree) {\n        // Check base summary to see if it has any additional path parts\n        // separating child SummarizerNodes. Checks for .channels subtrees.\n        const { childrenPathPart } = parseSummaryForSubtrees(snapshot);\n        if (childrenPathPart !== undefined && this.latestSummary !== undefined) {\n            this.latestSummary.additionalPath = EscapedPath.create(childrenPathPart);\n        }\n    }\n\n    public async loadBaseSummary(\n        snapshot: ISnapshotTree,\n        readAndParseBlob: ReadAndParseBlob,\n    ): Promise<{ baseSummary: ISnapshotTree, outstandingOps: ISequencedDocumentMessage[] }> {\n        const decodedSummary = decodeSummary(snapshot, this.defaultLogger);\n        const outstandingOps = await decodedSummary.getOutstandingOps(readAndParseBlob);\n\n        const { childrenPathPart } = parseSummaryForSubtrees(decodedSummary.baseSummary);\n        if (childrenPathPart !== undefined) {\n            decodedSummary.pathParts.push(childrenPathPart);\n        }\n\n        if (decodedSummary.pathParts.length > 0 && this.latestSummary !== undefined) {\n            this.latestSummary.additionalPath = EscapedPath.createAndConcat(decodedSummary.pathParts);\n        }\n\n        // Defensive assertion: tracking number should already exceed this number.\n        // This is probably a little excessive; can remove when stable.\n        if (outstandingOps.length > 0) {\n            const newOpsLatestSeq = outstandingOps[outstandingOps.length - 1].sequenceNumber;\n            assert(\n                newOpsLatestSeq <= this.trackingSequenceNumber,\n                0x1a9 /* \"When loading base summary, expected outstanding ops <= tracking sequence number\" */,\n            );\n        }\n\n        return {\n            baseSummary: decodedSummary.baseSummary,\n            outstandingOps,\n        };\n    }\n\n    public recordChange(op: ISequencedDocumentMessage): void {\n        const lastOp = this.outstandingOps[this.outstandingOps.length - 1];\n        if (lastOp !== undefined) {\n            assert(\n                lastOp.sequenceNumber < op.sequenceNumber,\n                0x1aa /* `Out of order change recorded: ${lastOp.sequenceNumber} > ${op.sequenceNumber}` */,\n            );\n        }\n        this.invalidate(op.sequenceNumber);\n        this.trackingSequenceNumber = op.sequenceNumber;\n        this.outstandingOps.push(op);\n    }\n\n    public invalidate(sequenceNumber: number): void {\n        if (sequenceNumber > this._changeSequenceNumber) {\n            this._changeSequenceNumber = sequenceNumber;\n        }\n    }\n\n    /**\n     * True if a change has been recorded with sequence number exceeding\n     * the latest successfully acked summary reference sequence number.\n     * False implies that the previous summary can be reused.\n     */\n    protected hasChanged(): boolean {\n        return this._changeSequenceNumber > this.referenceSequenceNumber;\n    }\n\n    private readonly canReuseHandle: boolean;\n    private readonly throwOnError: boolean;\n    private trackingSequenceNumber: number;\n\n    /**\n     * Do not call constructor directly.\n     * Use createRootSummarizerNode to create root node, or createChild to create child nodes.\n     */\n    public constructor(\n        protected readonly defaultLogger: ITelemetryLogger,\n        private readonly summarizeInternalFn: (fullTree: boolean) => Promise<ISummarizeInternalResult>,\n        config: ISummarizerNodeConfig,\n        private _changeSequenceNumber: number,\n        /** Undefined means created without summary */\n        private latestSummary?: SummaryNode,\n        private readonly initialSummary?: IInitialSummary,\n        protected wipSummaryLogger?: ITelemetryLogger,\n    ) {\n        this.canReuseHandle = config.canReuseHandle ?? true;\n        // BUGBUG: Seeing issues with differential summaries.\n        // this will disable them, and throw instead\n        // while we continue to investigate\n        this.throwOnError = true; // config.throwOnFailure ?? false;\n        this.trackingSequenceNumber = this._changeSequenceNumber;\n    }\n\n    public createChild(\n        /** Summarize function */\n        summarizeInternalFn: (fullTree: boolean) => Promise<ISummarizeInternalResult>,\n        /** Initial id or path part of this node */\n        id: string,\n        /**\n         * Information needed to create the node.\n         * If it is from a base summary, it will assert that a summary has been seen.\n         * Attach information if it is created from an attach op.\n         */\n        createParam: CreateChildSummarizerNodeParam,\n        config: ISummarizerNodeConfig = {},\n    ): ISummarizerNode {\n        assert(!this.children.has(id), 0x1ab /* \"Create SummarizerNode child already exists\" */);\n\n        const createDetails: ICreateChildDetails = this.getCreateDetailsForChild(id, createParam);\n        const child = new SummarizerNode(\n            this.defaultLogger,\n            summarizeInternalFn,\n            config,\n            createDetails.changeSequenceNumber,\n            createDetails.latestSummary,\n            createDetails.initialSummary,\n            this.wipSummaryLogger,\n        );\n\n        // There may be additional state that has to be updated in this child. For example, if a summary is being\n        // tracked, the child's summary tracking state needs to be updated too.\n        this.maybeUpdateChildState(child);\n\n        this.children.set(id, child);\n        return child;\n    }\n\n    public getChild(id: string): ISummarizerNode | undefined {\n        return this.children.get(id);\n    }\n\n    /**\n     * Returns the details needed to create a child node.\n     * @param id - Initial id or path part of the child node.\n     * @param createParam - Information needed to create the node.\n     * @returns the details needed to create the child node.\n     */\n    protected getCreateDetailsForChild(id: string, createParam: CreateChildSummarizerNodeParam): ICreateChildDetails {\n        let initialSummary: IInitialSummary | undefined;\n        let latestSummary: SummaryNode | undefined;\n        let changeSequenceNumber: number;\n\n        const parentLatestSummary = this.latestSummary;\n        switch (createParam.type) {\n            case CreateSummarizerNodeSource.FromAttach: {\n                if (\n                    parentLatestSummary !== undefined\n                    && createParam.sequenceNumber <= parentLatestSummary.referenceSequenceNumber\n                ) {\n                    // Prioritize latest summary if it was after this node was attached.\n                    latestSummary = parentLatestSummary.createForChild(id);\n                } else {\n                    const summary = convertToSummaryTree(createParam.snapshot) as ISummaryTreeWithStats;\n                    initialSummary = {\n                        sequenceNumber: createParam.sequenceNumber,\n                        id,\n                        summary,\n                    };\n                }\n                changeSequenceNumber = createParam.sequenceNumber;\n                break;\n            }\n            case CreateSummarizerNodeSource.FromSummary: {\n                if (this.initialSummary === undefined) {\n                    assert(\n                        !!parentLatestSummary,\n                        0x1ac /* \"Cannot create child from summary if parent does not have latest summary\" */);\n                }\n                // fallthrough to local\n            }\n            case CreateSummarizerNodeSource.Local: {\n                const parentInitialSummary = this.initialSummary;\n                if (parentInitialSummary !== undefined) {\n                    let childSummary: SummaryObject | undefined;\n                    if (parentInitialSummary.summary !== undefined) {\n                        const { childrenTree } = parseSummaryTreeForSubtrees(parentInitialSummary.summary.summary);\n                        assert(\n                            childrenTree.type === SummaryType.Tree,\n                            0x1d6 /* \"Parent summary object is not a tree\" */,\n                        );\n                        childSummary = childrenTree.tree[id];\n                    }\n                    if (createParam.type === CreateSummarizerNodeSource.FromSummary) {\n                        // Locally created would not have differential subtree.\n                        assert(!!childSummary, 0x1ad /* \"Missing child summary tree\" */);\n                    }\n                    let childSummaryWithStats: ISummaryTreeWithStats | undefined;\n                    if (childSummary !== undefined) {\n                        assert(\n                            childSummary.type === SummaryType.Tree,\n                            0x1ae /* \"Child summary object is not a tree\" */,\n                        );\n                        childSummaryWithStats = {\n                            summary: childSummary,\n                            stats: calculateStats(childSummary),\n                        };\n                    }\n                    initialSummary = {\n                        sequenceNumber: parentInitialSummary.sequenceNumber,\n                        id,\n                        summary: childSummaryWithStats,\n                    };\n                }\n                latestSummary = parentLatestSummary?.createForChild(id);\n                changeSequenceNumber = parentLatestSummary?.referenceSequenceNumber ?? -1;\n                break;\n            }\n            default: {\n                const type = (createParam as unknown as CreateChildSummarizerNodeParam).type;\n                unreachableCase(createParam, `Unexpected CreateSummarizerNodeSource: ${type}`);\n            }\n        }\n\n        return {\n            initialSummary,\n            latestSummary,\n            changeSequenceNumber,\n        };\n    }\n\n    /**\n     * Updates the state of the child if required. For example, if a summary is currently being  tracked, the child's\n     * summary tracking state needs to be updated too.\n     * @param child - The child node whose state is to be updated.\n     */\n    protected maybeUpdateChildState(child: SummarizerNode) {\n        // If we are tracking a summary, this child was created after the tracking started. So, we need to update the\n        // child's tracking state as well.\n        if (this.isTrackingInProgress()) {\n            child.wipReferenceSequenceNumber = this.wipReferenceSequenceNumber;\n        }\n    }\n\n    /**\n     * Tells whether summary tracking is in progress. True if \"startSummary\" API is called before summarize.\n     */\n    protected isTrackingInProgress(): boolean {\n        return this.wipReferenceSequenceNumber !== undefined;\n    }\n}\n\n/**\n * Creates a root summarizer node.\n * @param logger - Logger to use within SummarizerNode\n * @param summarizeInternalFn - Function to generate summary\n * @param changeSequenceNumber - Sequence number of latest change to new node/subtree\n * @param referenceSequenceNumber - Reference sequence number of last acked summary,\n * or undefined if not loaded from summary\n * @param config - Configure behavior of summarizer node\n */\nexport const createRootSummarizerNode = (\n    logger: ITelemetryLogger,\n    summarizeInternalFn: (fullTree: boolean) => Promise<ISummarizeInternalResult>,\n    changeSequenceNumber: number,\n    referenceSequenceNumber: number | undefined,\n    config: ISummarizerNodeConfig = {},\n): IRootSummarizerNode => new SummarizerNode(\n        logger,\n        summarizeInternalFn,\n        config,\n        changeSequenceNumber,\n        referenceSequenceNumber === undefined ? undefined : SummaryNode.createForRoot(referenceSequenceNumber),\n    );\n"]}

lib/summarizerNode/summarizerNodeUtils.js

@@ -155,4 +155,4 @@ /*!
         }
-        assert(!!outstandingOpsBlob, "Outstanding ops blob missing, but base summary tree exists");
-        assert(newBaseSummary !== undefined, "Base summary tree missing, but outstanding ops blob exists");
+        assert(!!outstandingOpsBlob, 0x1af /* "Outstanding ops blob missing, but base summary tree exists" */);
+        assert(newBaseSummary !== undefined, 0x1b0 /* "Base summary tree missing, but outstanding ops blob exists" */);
         baseSummary = newBaseSummary;
@@ -159,0 +159,0 @@ pathParts.push(baseSummaryTreeKey);

lib/summarizerNode/summarizerNodeUtils.js.map

@@ -1,1 +0,1 @@
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* Copyright (c) Microsoft Corporation. All rights reserved.\n * Licensed under the MIT License.\n */\n\nimport { ITelemetryLogger } from \"@fluidframework/common-definitions\";\nimport { assert } from \"@fluidframework/common-utils\";\nimport {\n    ISnapshotTree,\n    IDocumentAttributes,\n    ISequencedDocumentMessage,\n    SummaryType,\n    ISummaryTree,\n    SummaryObject,\n} from \"@fluidframework/protocol-definitions\";\nimport { channelsTreeName, ISummaryTreeWithStats } from \"@fluidframework/runtime-definitions\";\nimport { SummaryTreeBuilder } from \"../summaryUtils\";\n\nconst baseSummaryTreeKey = \"_baseSummary\";\nconst outstandingOpsBlobKey = \"_outstandingOps\";\nconst maxDecodeDepth = 100;\n\n/** Reads a blob from storage and parses it from JSON. */\nexport type ReadAndParseBlob = <T>(id: string) => Promise<T>;\n\nexport interface ISummarizerNodeRootContract {\n    startSummary(referenceSequenceNumber: number, summaryLogger: ITelemetryLogger): void;\n    completeSummary(proposalHandle: string): void;\n    clearSummary(): void;\n    refreshLatestSummary(\n        proposalHandle: string | undefined,\n        getSnapshot: () => Promise<ISnapshotTree>,\n        readAndParseBlob: ReadAndParseBlob,\n        correlatedSummaryLogger: ITelemetryLogger,\n    ): Promise<void>;\n}\n\n/**\n * Fetches the sequence number of the snapshot tree by examining the protocol.\n * @param tree - snapshot tree to examine\n * @param readAndParseBlob - function to read blob contents from storage\n * and parse the result from JSON.\n */\nexport async function seqFromTree(\n    tree: ISnapshotTree,\n    readAndParseBlob: ReadAndParseBlob,\n): Promise<number> {\n    const attributesHash = tree.trees[\".protocol\"].blobs.attributes;\n    const attrib = await readAndParseBlob<IDocumentAttributes>(attributesHash);\n    return attrib.sequenceNumber;\n}\n\n/** Path for nodes in a tree with escaped special characters */\nexport class EscapedPath {\n    private constructor(public readonly path: string) { }\n    public static create(path: string): EscapedPath {\n        return new EscapedPath(encodeURIComponent(path));\n    }\n    public static createAndConcat(pathParts: string[]): EscapedPath {\n        let ret = EscapedPath.create(pathParts[0] ?? \"\");\n        for (let i = 1; i < pathParts.length; i++) {\n            ret = ret.concat(EscapedPath.create(pathParts[i]));\n        }\n        return ret;\n    }\n    public toString(): string {\n        return this.path;\n    }\n    public concat(path: EscapedPath): EscapedPath {\n        return new EscapedPath(`${this.path}/${path.path}`);\n    }\n}\n\n/** Information about a summary relevant to a specific node in the tree */\nexport class SummaryNode {\n    /** Creates an instance that is valid for the root with specific basePath and localPath */\n    public static createForRoot(referenceSequenceNumber: number): SummaryNode {\n        return new SummaryNode({\n            referenceSequenceNumber,\n            basePath: undefined,\n            localPath: EscapedPath.create(\"\"), // root hard-coded to \"\"\n        });\n    }\n\n    /** Summary reference sequence number, i.e. last sequence number seen when it was created */\n    public get referenceSequenceNumber(): number {\n        return this.summary.referenceSequenceNumber;\n    }\n    /** Full path to parent node, or undefined if this is the root */\n    public get basePath(): EscapedPath | undefined {\n        return this.summary.basePath;\n    }\n    /** Relative path to this node from its parent node */\n    public get localPath(): EscapedPath {\n        return this.summary.localPath;\n    }\n    /** Relative path from this node to its node innermost base summary */\n    public get additionalPath(): EscapedPath | undefined {\n        return this.summary.additionalPath;\n    }\n    public set additionalPath(additionalPath: EscapedPath | undefined) {\n        this.summary.additionalPath = additionalPath;\n    }\n    constructor(private readonly summary: {\n        readonly referenceSequenceNumber: number,\n        readonly basePath: EscapedPath | undefined,\n        readonly localPath: EscapedPath,\n        additionalPath?: EscapedPath,\n    }) { }\n\n    /** Gets the full path to this node, to be used when sending a handle */\n    public get fullPath(): EscapedPath {\n        return this.basePath?.concat(this.localPath) ?? this.localPath;\n    }\n\n    /**\n     * Gets the full path to this node's innermost base summary.\n     * The children nodes can use this as their basePath to determine their path.\n     */\n    public get fullPathForChildren(): EscapedPath {\n        return this.additionalPath !== undefined\n            ? this.fullPath.concat(this.additionalPath)\n            : this.fullPath;\n    }\n\n    /**\n     * Creates a new node within the same summary for a child of this node.\n     * @param id - id of the child node\n     */\n    public createForChild(id: string): SummaryNode {\n        return new SummaryNode({\n            referenceSequenceNumber: this.referenceSequenceNumber,\n            basePath: this.fullPathForChildren,\n            localPath: EscapedPath.create(id),\n        });\n    }\n}\n\n/** Result from decoding summary which may have been a differential summary. */\ninterface IDecodedSummary {\n    /** The innermost base summary which is not itself a differential summary */\n    readonly baseSummary: ISnapshotTree;\n    /** The entire path name to the innermost base summary */\n    readonly pathParts: string[];\n    /** Function to fetch all outstanding ops since the innermost base summary */\n    getOutstandingOps(readAndParseBlob: ReadAndParseBlob): Promise<ISequencedDocumentMessage[]>;\n}\n\n/**\n * Checks if the snapshot is created by referencing a previous successful\n * summary plus outstanding ops. If so, it will recursively \"decode\" it until\n * it gets to the last successful summary (the base summary) and returns that\n * as well as a function for fetching the outstanding ops. Also returns the\n * full path to the previous base summary for child summarizer nodes to use as\n * their base path when necessary.\n * @param snapshot - snapshot tree to decode\n */\nexport function decodeSummary(\n    snapshot: ISnapshotTree,\n    logger: Pick<ITelemetryLogger, \"sendTelemetryEvent\">,\n): IDecodedSummary {\n    let baseSummary = snapshot;\n    const pathParts: string[] = [];\n    const opsBlobs: string[] = [];\n\n    for (let i = 0; ; i++) {\n        if (i > maxDecodeDepth) {\n            logger.sendTelemetryEvent({\n                eventName: \"DecodeSummaryMaxDepth\",\n                maxDecodeDepth,\n            });\n        }\n        const outstandingOpsBlob = baseSummary.blobs[outstandingOpsBlobKey];\n        const newBaseSummary = baseSummary.trees[baseSummaryTreeKey];\n        if (outstandingOpsBlob === undefined && newBaseSummary === undefined) {\n            return {\n                baseSummary,\n                pathParts,\n                async getOutstandingOps(readAndParseBlob: ReadAndParseBlob) {\n                    let outstandingOps: ISequencedDocumentMessage[] = [];\n                    for (const opsBlob of opsBlobs) {\n                        const newOutstandingOps = await readAndParseBlob<ISequencedDocumentMessage[]>(opsBlob);\n                        if (outstandingOps.length > 0 && newOutstandingOps.length > 0) {\n                            const latestSeq = outstandingOps[outstandingOps.length - 1].sequenceNumber;\n                            const newEarliestSeq = newOutstandingOps[0].sequenceNumber;\n                            if (newEarliestSeq <= latestSeq) {\n                                logger.sendTelemetryEvent({\n                                    eventName:\"DuplicateOutstandingOps\",\n                                    category: \"generic\",\n                                    // eslint-disable-next-line max-len\n                                    message: `newEarliestSeq <= latestSeq in decodeSummary: ${newEarliestSeq} <= ${latestSeq}`,\n                                });\n                                while (newOutstandingOps.length > 0\n                                    && newOutstandingOps[0].sequenceNumber <= latestSeq) {\n                                    newOutstandingOps.shift();\n                                }\n                            }\n                        }\n                        outstandingOps = outstandingOps.concat(newOutstandingOps);\n                    }\n                    return outstandingOps;\n                },\n            };\n        }\n\n        assert(!!outstandingOpsBlob, \"Outstanding ops blob missing, but base summary tree exists\");\n        assert(newBaseSummary !== undefined, \"Base summary tree missing, but outstanding ops blob exists\");\n        baseSummary = newBaseSummary;\n        pathParts.push(baseSummaryTreeKey);\n        opsBlobs.unshift(outstandingOpsBlob);\n    }\n}\n\n/**\n * Summary tree which is a handle of the previous successfully acked summary\n * and a blob of the outstanding ops since that summary.\n */\ninterface IEncodedSummary extends ISummaryTreeWithStats {\n    readonly additionalPath: EscapedPath;\n}\n\n/**\n * Parameter to help encode summary with conditional behavior.\n * When fromSummary is true, it will contain the SummaryNode of\n * its previous summary, which it can use to point to with a handle.\n * When fromSummary is false, it will use an actual summary tree\n * as its base summary in case the first summary is a differential summary.\n */\nexport type EncodeSummaryParam = {\n    fromSummary: true;\n    summaryNode: SummaryNode;\n} | {\n    fromSummary: false;\n    initialSummary: ISummaryTreeWithStats;\n};\n\n/**\n * Creates a summary tree which is a handle of the previous successfully acked summary\n * and a blob of the outstanding ops since that summary. If there is no acked summary yet,\n * it will create with the tree found in the initial attach op and the blob of outstanding ops.\n * @param summaryParam - information about last acked summary and paths to encode if from summary,\n * otherwise the initial summary from the attach op.\n * @param outstandingOps - outstanding ops since last acked summary\n */\nexport function encodeSummary(\n    summaryParam: EncodeSummaryParam,\n    outstandingOps: ISequencedDocumentMessage[],\n): IEncodedSummary {\n    let additionalPath = EscapedPath.create(baseSummaryTreeKey);\n\n    const builder = new SummaryTreeBuilder();\n    builder.addBlob(outstandingOpsBlobKey, JSON.stringify(outstandingOps));\n\n    if (summaryParam.fromSummary) {\n        // Create using handle of latest acked summary\n        const summaryNode = summaryParam.summaryNode;\n        if (summaryNode.additionalPath !== undefined) {\n            additionalPath = additionalPath.concat(summaryNode.additionalPath);\n        }\n        builder.addHandle(baseSummaryTreeKey, SummaryType.Tree, summaryNode.fullPath.path);\n    } else {\n        // Create using initial summary from attach op\n        builder.addWithStats(baseSummaryTreeKey, summaryParam.initialSummary);\n    }\n\n    const summary = builder.getSummaryTree();\n    return {\n        ...summary,\n        additionalPath,\n    };\n}\n\n/**\n * Information about the initial summary tree found from an attach op.\n */\nexport interface IInitialSummary {\n    sequenceNumber: number;\n    id: string;\n    summary: ISummaryTreeWithStats | undefined;\n}\n\n/**\n * Represents the details needed to create a child summarizer node.\n */\nexport interface ICreateChildDetails {\n    /** Summary from attach op if known */\n    initialSummary: IInitialSummary | undefined;\n    /** Latest summary from server node data */\n    latestSummary: SummaryNode | undefined;\n    /** Sequence number of latest known change to the node */\n    changeSequenceNumber: number;\n}\n\nexport interface ISubtreeInfo<T extends ISnapshotTree | SummaryObject> {\n    /** Tree to use to find children subtrees */\n    childrenTree: T,\n    /** Additional path part where children are isolated */\n    childrenPathPart: string | undefined,\n}\n\n/**\n * Checks if the summary contains .channels subtree where the children subtrees\n * would be located if exists.\n * @param baseSummary - summary to check\n */\nexport function parseSummaryForSubtrees(baseSummary: ISnapshotTree): ISubtreeInfo<ISnapshotTree> {\n    // New versions of snapshots have child nodes isolated in .channels subtree\n    const channelsSubtree = baseSummary.trees[channelsTreeName];\n    if (channelsSubtree !== undefined) {\n        return {\n            childrenTree: channelsSubtree,\n            childrenPathPart: channelsTreeName,\n        };\n    }\n    return {\n        childrenTree: baseSummary,\n        childrenPathPart: undefined,\n    };\n}\n\n/**\n * Checks if the summary contains .channels subtree where the children subtrees\n * would be located if exists.\n * @param baseSummary - summary to check\n */\nexport function parseSummaryTreeForSubtrees(summary: ISummaryTree): ISubtreeInfo<SummaryObject> {\n    // New versions of snapshots have child nodes isolated in .channels subtree\n    const channelsSubtree = summary.tree[channelsTreeName];\n    if (channelsSubtree !== undefined) {\n        return {\n            childrenTree: channelsSubtree,\n            childrenPathPart: channelsTreeName,\n        };\n    }\n    return {\n        childrenTree: summary,\n        childrenPathPart: undefined,\n    };\n}\n"]}
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All rights reserved.\n * Licensed under the MIT License.\n */\n\nimport { ITelemetryLogger } from \"@fluidframework/common-definitions\";\nimport { assert } from \"@fluidframework/common-utils\";\nimport {\n    ISnapshotTree,\n    IDocumentAttributes,\n    ISequencedDocumentMessage,\n    SummaryType,\n    ISummaryTree,\n    SummaryObject,\n} from \"@fluidframework/protocol-definitions\";\nimport { channelsTreeName, ISummaryTreeWithStats } from \"@fluidframework/runtime-definitions\";\nimport { SummaryTreeBuilder } from \"../summaryUtils\";\n\nconst baseSummaryTreeKey = \"_baseSummary\";\nconst outstandingOpsBlobKey = \"_outstandingOps\";\nconst maxDecodeDepth = 100;\n\n/** Reads a blob from storage and parses it from JSON. */\nexport type ReadAndParseBlob = <T>(id: string) => Promise<T>;\n\nexport interface ISummarizerNodeRootContract {\n    startSummary(referenceSequenceNumber: number, summaryLogger: ITelemetryLogger): void;\n    completeSummary(proposalHandle: string): void;\n    clearSummary(): void;\n    refreshLatestSummary(\n        proposalHandle: string | undefined,\n        getSnapshot: () => Promise<ISnapshotTree>,\n        readAndParseBlob: ReadAndParseBlob,\n        correlatedSummaryLogger: ITelemetryLogger,\n    ): Promise<void>;\n}\n\n/**\n * Fetches the sequence number of the snapshot tree by examining the protocol.\n * @param tree - snapshot tree to examine\n * @param readAndParseBlob - function to read blob contents from storage\n * and parse the result from JSON.\n */\nexport async function seqFromTree(\n    tree: ISnapshotTree,\n    readAndParseBlob: ReadAndParseBlob,\n): Promise<number> {\n    const attributesHash = tree.trees[\".protocol\"].blobs.attributes;\n    const attrib = await readAndParseBlob<IDocumentAttributes>(attributesHash);\n    return attrib.sequenceNumber;\n}\n\n/** Path for nodes in a tree with escaped special characters */\nexport class EscapedPath {\n    private constructor(public readonly path: string) { }\n    public static create(path: string): EscapedPath {\n        return new EscapedPath(encodeURIComponent(path));\n    }\n    public static createAndConcat(pathParts: string[]): EscapedPath {\n        let ret = EscapedPath.create(pathParts[0] ?? \"\");\n        for (let i = 1; i < pathParts.length; i++) {\n            ret = ret.concat(EscapedPath.create(pathParts[i]));\n        }\n        return ret;\n    }\n    public toString(): string {\n        return this.path;\n    }\n    public concat(path: EscapedPath): EscapedPath {\n        return new EscapedPath(`${this.path}/${path.path}`);\n    }\n}\n\n/** Information about a summary relevant to a specific node in the tree */\nexport class SummaryNode {\n    /** Creates an instance that is valid for the root with specific basePath and localPath */\n    public static createForRoot(referenceSequenceNumber: number): SummaryNode {\n        return new SummaryNode({\n            referenceSequenceNumber,\n            basePath: undefined,\n            localPath: EscapedPath.create(\"\"), // root hard-coded to \"\"\n        });\n    }\n\n    /** Summary reference sequence number, i.e. last sequence number seen when it was created */\n    public get referenceSequenceNumber(): number {\n        return this.summary.referenceSequenceNumber;\n    }\n    /** Full path to parent node, or undefined if this is the root */\n    public get basePath(): EscapedPath | undefined {\n        return this.summary.basePath;\n    }\n    /** Relative path to this node from its parent node */\n    public get localPath(): EscapedPath {\n        return this.summary.localPath;\n    }\n    /** Relative path from this node to its node innermost base summary */\n    public get additionalPath(): EscapedPath | undefined {\n        return this.summary.additionalPath;\n    }\n    public set additionalPath(additionalPath: EscapedPath | undefined) {\n        this.summary.additionalPath = additionalPath;\n    }\n    constructor(private readonly summary: {\n        readonly referenceSequenceNumber: number,\n        readonly basePath: EscapedPath | undefined,\n        readonly localPath: EscapedPath,\n        additionalPath?: EscapedPath,\n    }) { }\n\n    /** Gets the full path to this node, to be used when sending a handle */\n    public get fullPath(): EscapedPath {\n        return this.basePath?.concat(this.localPath) ?? 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If so, it will recursively \"decode\" it until\n * it gets to the last successful summary (the base summary) and returns that\n * as well as a function for fetching the outstanding ops. Also returns the\n * full path to the previous base summary for child summarizer nodes to use as\n * their base path when necessary.\n * @param snapshot - snapshot tree to decode\n */\nexport function decodeSummary(\n    snapshot: ISnapshotTree,\n    logger: Pick<ITelemetryLogger, \"sendTelemetryEvent\">,\n): IDecodedSummary {\n    let baseSummary = snapshot;\n    const pathParts: string[] = [];\n    const opsBlobs: string[] = [];\n\n    for (let i = 0; ; i++) {\n        if (i > maxDecodeDepth) {\n            logger.sendTelemetryEvent({\n                eventName: \"DecodeSummaryMaxDepth\",\n                maxDecodeDepth,\n            });\n        }\n        const outstandingOpsBlob = baseSummary.blobs[outstandingOpsBlobKey];\n        const newBaseSummary = baseSummary.trees[baseSummaryTreeKey];\n        if (outstandingOpsBlob === undefined && newBaseSummary === undefined) {\n            return {\n                baseSummary,\n                pathParts,\n                async getOutstandingOps(readAndParseBlob: ReadAndParseBlob) {\n                    let outstandingOps: ISequencedDocumentMessage[] = [];\n                    for (const opsBlob of opsBlobs) {\n                        const newOutstandingOps = await readAndParseBlob<ISequencedDocumentMessage[]>(opsBlob);\n                        if (outstandingOps.length > 0 && newOutstandingOps.length > 0) {\n                            const latestSeq = outstandingOps[outstandingOps.length - 1].sequenceNumber;\n                            const newEarliestSeq = newOutstandingOps[0].sequenceNumber;\n                            if (newEarliestSeq <= latestSeq) {\n                                logger.sendTelemetryEvent({\n                                    eventName:\"DuplicateOutstandingOps\",\n                                    category: \"generic\",\n                                    // eslint-disable-next-line max-len\n                                    message: `newEarliestSeq <= latestSeq in decodeSummary: ${newEarliestSeq} <= ${latestSeq}`,\n                                });\n                                while (newOutstandingOps.length > 0\n                                    && newOutstandingOps[0].sequenceNumber <= latestSeq) {\n                                    newOutstandingOps.shift();\n                                }\n                            }\n                        }\n                        outstandingOps = outstandingOps.concat(newOutstandingOps);\n                    }\n                    return outstandingOps;\n                },\n            };\n        }\n\n        assert(!!outstandingOpsBlob, 0x1af /* \"Outstanding ops blob missing, but base summary tree exists\" */);\n        assert(newBaseSummary !== undefined, 0x1b0 /* \"Base summary tree missing, but outstanding ops blob exists\" */);\n        baseSummary = newBaseSummary;\n        pathParts.push(baseSummaryTreeKey);\n        opsBlobs.unshift(outstandingOpsBlob);\n    }\n}\n\n/**\n * Summary tree which is a handle of the previous successfully acked summary\n * and a blob of the outstanding ops since that summary.\n */\ninterface IEncodedSummary extends ISummaryTreeWithStats {\n    readonly additionalPath: EscapedPath;\n}\n\n/**\n * Parameter to help encode summary with conditional behavior.\n * When fromSummary is true, it will contain the SummaryNode of\n * its previous summary, which it can use to point to with a handle.\n * When fromSummary is false, it will use an actual summary tree\n * as its base summary in case the first summary is a differential summary.\n */\nexport type EncodeSummaryParam = {\n    fromSummary: true;\n    summaryNode: SummaryNode;\n} | {\n    fromSummary: false;\n    initialSummary: ISummaryTreeWithStats;\n};\n\n/**\n * Creates a summary tree which is a handle of the previous successfully acked summary\n * and a blob of the outstanding ops since that summary. If there is no acked summary yet,\n * it will create with the tree found in the initial attach op and the blob of outstanding ops.\n * @param summaryParam - information about last acked summary and paths to encode if from summary,\n * otherwise the initial summary from the attach op.\n * @param outstandingOps - outstanding ops since last acked summary\n */\nexport function encodeSummary(\n    summaryParam: EncodeSummaryParam,\n    outstandingOps: ISequencedDocumentMessage[],\n): IEncodedSummary {\n    let additionalPath = EscapedPath.create(baseSummaryTreeKey);\n\n    const builder = new SummaryTreeBuilder();\n    builder.addBlob(outstandingOpsBlobKey, JSON.stringify(outstandingOps));\n\n    if (summaryParam.fromSummary) {\n        // Create using handle of latest acked summary\n        const summaryNode = summaryParam.summaryNode;\n        if (summaryNode.additionalPath !== undefined) {\n            additionalPath = additionalPath.concat(summaryNode.additionalPath);\n        }\n        builder.addHandle(baseSummaryTreeKey, SummaryType.Tree, summaryNode.fullPath.path);\n    } else {\n        // Create using initial summary from attach op\n        builder.addWithStats(baseSummaryTreeKey, summaryParam.initialSummary);\n    }\n\n    const summary = builder.getSummaryTree();\n    return {\n        ...summary,\n        additionalPath,\n    };\n}\n\n/**\n * Information about the initial summary tree found from an attach op.\n */\nexport interface IInitialSummary {\n    sequenceNumber: number;\n    id: string;\n    summary: ISummaryTreeWithStats | undefined;\n}\n\n/**\n * Represents the details needed to create a child summarizer node.\n */\nexport interface ICreateChildDetails {\n    /** Summary from attach op if known */\n    initialSummary: IInitialSummary | undefined;\n    /** Latest summary from server node data */\n    latestSummary: SummaryNode | undefined;\n    /** Sequence number of latest known change to the node */\n    changeSequenceNumber: number;\n}\n\nexport interface ISubtreeInfo<T extends ISnapshotTree | SummaryObject> {\n    /** Tree to use to find children subtrees */\n    childrenTree: T,\n    /** Additional path part where children are isolated */\n    childrenPathPart: string | undefined,\n}\n\n/**\n * Checks if the summary contains .channels subtree where the children subtrees\n * would be located if exists.\n * @param baseSummary - summary to check\n */\nexport function parseSummaryForSubtrees(baseSummary: ISnapshotTree): ISubtreeInfo<ISnapshotTree> {\n    // New versions of snapshots have child nodes isolated in .channels subtree\n    const channelsSubtree = baseSummary.trees[channelsTreeName];\n    if (channelsSubtree !== undefined) {\n        return {\n            childrenTree: channelsSubtree,\n            childrenPathPart: channelsTreeName,\n        };\n    }\n    return {\n        childrenTree: baseSummary,\n        childrenPathPart: undefined,\n    };\n}\n\n/**\n * Checks if the summary contains .channels subtree where the children subtrees\n * would be located if exists.\n * @param baseSummary - summary to check\n */\nexport function parseSummaryTreeForSubtrees(summary: ISummaryTree): ISubtreeInfo<SummaryObject> {\n    // New versions of snapshots have child nodes isolated in .channels subtree\n    const channelsSubtree = summary.tree[channelsTreeName];\n    if (channelsSubtree !== undefined) {\n        return {\n            childrenTree: channelsSubtree,\n            childrenPathPart: channelsTreeName,\n        };\n    }\n    return {\n        childrenTree: summary,\n        childrenPathPart: undefined,\n    };\n}\n"]}

lib/summarizerNode/summarizerNodeWithGc.d.ts.map

@@ -1,1 +0,1 @@
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lib/summarizerNode/summarizerNodeWithGc.js

@@ -78,3 +78,3 @@ /*!
         if (!this.gcDisabled && this.isTrackingInProgress()) {
-            assert(this.wipSerializedUsedRoutes !== undefined, "wip used routes should be set if tracking a summary");
+            assert(this.wipSerializedUsedRoutes !== undefined, 0x1b1 /* "wip used routes should be set if tracking a summary" */);
         }
@@ -85,3 +85,3 @@ // If trackState is true, get summary from base summarizer node which tracks summary state.
             const summarizeResult = await super.summarize(fullTree);
-            // If there is no cached GC data, return empty data in summarize result. It is the caller's responsiblity
+            // If there is no cached GC data, return empty data in summarize result. It is the caller's responsibility
             // to ensure that GC data is available by calling getGCData before calling summarize.
@@ -106,4 +106,4 @@ const gcData = this.gcData !== undefined ? cloneGCData(this.gcData) : { gcNodes: {} };
     async getGCData(fullGC = false) {
-        assert(!this.gcDisabled, "Getting GC data should not be called when GC is disabled!");
-        assert(this.getGCDataFn !== undefined, "GC data cannot be retrieved without getGCDataFn");
+        assert(!this.gcDisabled, 0x1b2 /* "Getting GC data should not be called when GC is disabled!" */);
+        assert(this.getGCDataFn !== undefined, 0x1b3 /* "GC data cannot be retrieved without getGCDataFn" */);
         // Load GC details from the initial summary, if not already loaded. If this is the first time this function is
@@ -128,3 +128,3 @@ // called and the node's data has not changed since last summary, the GC data in initial details is returned.
         if (!this.gcDisabled) {
-            assert(this.wipSerializedUsedRoutes === undefined, "We should not already be tracking used routes when to track a new summary");
+            assert(this.wipSerializedUsedRoutes === undefined, 0x1b4 /* "We should not already be tracking used routes when to track a new summary" */);
             // back-compat: 0.33 - This will be done in `updateUsedRoutes`. Older clients do not have that method, so
@@ -145,3 +145,3 @@ // keeping this one for now.
             wipSerializedUsedRoutes = this.wipSerializedUsedRoutes;
-            assert(wipSerializedUsedRoutes !== undefined, "We should have been tracking used routes");
+            assert(wipSerializedUsedRoutes !== undefined, 0x1b5 /* "We should have been tracking used routes" */);
         }
@@ -214,3 +214,3 @@ super.completeSummaryCore(proposalHandle, parentPath, parentSkipRecursion);
         var _a;
-        assert(!this.children.has(id), "Create SummarizerNode child already exists");
+        assert(!this.children.has(id), 0x1b6 /* "Create SummarizerNode child already exists" */);
         const createDetails = this.getCreateDetailsForChild(id, createParam);
@@ -217,0 +217,0 @@ const child = new SummarizerNodeWithGC(this.defaultLogger, summarizeInternalFn, Object.assign(Object.assign({}, config), {

lib/summarizerNode/summarizerNodeWithGc.js.map

@@ -1,1 +0,1 @@
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* Copyright (c) Microsoft Corporation. All rights reserved.\n * Licensed under the MIT License.\n */\n\nimport { ITelemetryLogger } from \"@fluidframework/common-definitions\";\nimport { assert, LazyPromise } from \"@fluidframework/common-utils\";\nimport { cloneGCData } from \"@fluidframework/garbage-collector\";\nimport { ISnapshotTree } from \"@fluidframework/protocol-definitions\";\nimport {\n    CreateChildSummarizerNodeParam,\n    gcBlobKey,\n    IContextSummarizeResult,\n    IGarbageCollectionData,\n    IGarbageCollectionSummaryDetails,\n    ISummarizeInternalResult,\n    ISummarizerNodeConfigWithGC,\n    ISummarizerNodeWithGC,\n} from \"@fluidframework/runtime-definitions\";\nimport { SummarizerNode } from \"./summarizerNode\";\nimport {\n    EscapedPath,\n    ICreateChildDetails,\n    IInitialSummary,\n    ISummarizerNodeRootContract,\n    ReadAndParseBlob,\n    SummaryNode,\n} from \"./summarizerNodeUtils\";\n\nexport interface IRootSummarizerNodeWithGC extends ISummarizerNodeWithGC, ISummarizerNodeRootContract {}\n\n// Extend SummaryNode to add used routes tracking to it.\nclass SummaryNodeWithGC extends SummaryNode {\n    constructor(\n        public readonly serializedUsedRoutes: string,\n        summary: {\n            readonly referenceSequenceNumber: number,\n            readonly basePath: EscapedPath | undefined,\n            readonly localPath: EscapedPath,\n            additionalPath?: EscapedPath,\n        },\n    ) {\n        super(summary);\n    }\n}\n\n/**\n * Extends the functionality of SummarizerNode to manage this node's garbage collection data:\n * - Adds a new API `getGCData` to return GC data of this node.\n * - Caches the result of `getGCData` to be used if nothing changes between summaries.\n * - Adds GC data to the result of summarize.\n * - Manages the used routes of this node. These are used to identify if this node is referenced in the document\n *   and to determine if the node's used state changed since last summary.\n * - Adds trackState param to summarize. If trackState is false, it bypasses the SummarizerNode and calls\n *   directly into summarizeInternal method.\n */\nexport class SummarizerNodeWithGC extends SummarizerNode implements IRootSummarizerNodeWithGC {\n    private gcData: IGarbageCollectionData | undefined;\n\n    // Tracks the work-in-progress used routes during summary.\n    private wipSerializedUsedRoutes: string | undefined;\n\n    // This is the last known used routes of this node as seen by the server as part of a summary.\n    private referenceUsedRoutes: string[] | undefined;\n\n    // The GC details of this node in the initial summary.\n    private readonly gcDetailsInInitialSummaryP: LazyPromise<IGarbageCollectionSummaryDetails>;\n\n    // Set used routes to have self route by default. This makes the node referenced by default. This is done to ensure\n    // that this node is not marked as collected when running GC has been disabled. Once, the option to disable GC is\n    // removed (from runGC flag in IContainerRuntimeOptions), this should be changed to be have no routes by default.\n    private _usedRoutes: string[] = [\"\"];\n    public get usedRoutes(): string[] {\n        return this._usedRoutes;\n    }\n\n    // True if GC is disabled for this node. If so, do not track GC specific state for a summary.\n    private readonly gcDisabled: boolean;\n\n    /**\n     * Do not call constructor directly.\n     * Use createRootSummarizerNodeWithGC to create root node, or createChild to create child nodes.\n     */\n    public constructor(\n        logger: ITelemetryLogger,\n        private readonly summarizeFn: (fullTree: boolean, trackState: boolean) => Promise<ISummarizeInternalResult>,\n        config: ISummarizerNodeConfigWithGC,\n        changeSequenceNumber: number,\n        /** Undefined means created without summary */\n        latestSummary?: SummaryNode,\n        initialSummary?: IInitialSummary,\n        wipSummaryLogger?: ITelemetryLogger,\n        private readonly getGCDataFn?: (fullGC?: boolean) => Promise<IGarbageCollectionData>,\n        getInitialGCSummaryDetailsFn?: () => Promise<IGarbageCollectionSummaryDetails>,\n    ) {\n        super(\n            logger,\n            async (fullTree: boolean) => this.summarizeInternal(fullTree, true /* trackState */),\n            config,\n            changeSequenceNumber,\n            latestSummary,\n            initialSummary,\n            wipSummaryLogger,\n        );\n\n        this.gcDisabled = config.gcDisabled === true;\n\n        this.gcDetailsInInitialSummaryP = new LazyPromise(async () => {\n            // back-compat: 0.32. getInitialGCSummaryDetailsFn() returns undefined in 0.31. Remove undefined check\n            // when N > 34.\n            const gcSummaryDetails = await getInitialGCSummaryDetailsFn?.();\n            return gcSummaryDetails ?? { usedRoutes: [] };\n        });\n    }\n\n    /**\n     * Loads state from this node's initial GC summary details. This contains the following data from the last summary\n     * seen by the server for this client:\n     * - usedRoutes: This is used to figure out if the used state of this node changed since last summary.\n     * - gcData: The garbage collection data of this node that is required for running GC.\n     */\n    private async loadInitialGCSummaryDetails() {\n        // If referenceUsedRoutes is not undefined, don't do anything because we have already initialized.\n        if (this.referenceUsedRoutes === undefined) {\n            const gcDetailsInInitialSummary = await this.gcDetailsInInitialSummaryP;\n            this.referenceUsedRoutes = gcDetailsInInitialSummary.usedRoutes;\n\n            // If the GC details has GC data, initialize our GC data from it.\n            if (gcDetailsInInitialSummary.gcData !== undefined) {\n                this.gcData = cloneGCData(gcDetailsInInitialSummary.gcData);\n            }\n        }\n    }\n\n    public async summarize(fullTree: boolean, trackState: boolean = true): Promise<IContextSummarizeResult> {\n        // Load GC details from the initial summary, if it's not already loaded. If this is the first time this node is\n        // being summarized, the used routes in it are needed to find out if this node has changed since last summary.\n        // If it hasn't changed, the GC data in it needs to be returned as part of the summary.\n        await this.loadInitialGCSummaryDetails();\n\n        // If GC is not disabled and we are tracking a summary, GC should have run and updated the used routes for this\n        //  summary by calling updateUsedRoutes which sets wipSerializedUsedRoutes.\n        if (!this.gcDisabled && this.isTrackingInProgress()) {\n            assert(this.wipSerializedUsedRoutes !== undefined, \"wip used routes should be set if tracking a summary\");\n        }\n\n        // If trackState is true, get summary from base summarizer node which tracks summary state.\n        // If trackState is false, get summary from summarizeInternal.\n        if (trackState) {\n            const summarizeResult = await super.summarize(fullTree);\n\n            // If there is no cached GC data, return empty data in summarize result. It is the caller's responsiblity\n            // to ensure that GC data is available by calling getGCData before calling summarize.\n            const gcData = this.gcData !== undefined ? cloneGCData(this.gcData) : { gcNodes: {} };\n\n            return {\n                ...summarizeResult,\n                gcData,\n            };\n        } else {\n            return this.summarizeInternal(fullTree, trackState);\n        }\n    }\n\n    private async summarizeInternal(fullTree: boolean, trackState: boolean): Promise<ISummarizeInternalResult> {\n        const summarizeResult = await this.summarizeFn(fullTree, trackState);\n        this.gcData = cloneGCData(summarizeResult.gcData);\n        return summarizeResult;\n    }\n\n    /**\n     * Returns the GC data of this node. If nothing has changed since last summary, it tries to reuse the data from\n     * the previous summary. Else, it gets new GC data from the underlying Fluid object.\n     * @param fullGC - true to bypass optimizations and force full generation of GC data.\n     */\n    public async getGCData(fullGC: boolean = false): Promise<IGarbageCollectionData> {\n        assert(!this.gcDisabled, \"Getting GC data should not be called when GC is disabled!\");\n        assert(this.getGCDataFn !== undefined, \"GC data cannot be retrieved without getGCDataFn\");\n\n        // Load GC details from the initial summary, if not already loaded. If this is the first time this function is\n        // called and the node's data has not changed since last summary, the GC data in initial details is returned.\n        await this.loadInitialGCSummaryDetails();\n\n        // If there is no new data since last summary and we have GC data from the previous run, return it. We may not\n        // have data from previous GC run for clients with older summary format before GC was added. They won't have\n        // GC details in their initial summary.\n        if (!fullGC && !this.hasDataChanged() && this.gcData !== undefined) {\n            return cloneGCData(this.gcData);\n        }\n\n        const gcData = await this.getGCDataFn(fullGC);\n        this.gcData = cloneGCData(gcData);\n        return gcData;\n    }\n\n    /**\n     * Called during the start of a summary. Updates the work-in-progress used routes.\n     */\n    public startSummary(referenceSequenceNumber: number, summaryLogger: ITelemetryLogger) {\n        // If GC is disabled, skip setting wip used routes since we should not track GC state.\n        if (!this.gcDisabled) {\n            assert(\n                this.wipSerializedUsedRoutes === undefined,\n                \"We should not already be tracking used routes when to track a new summary\");\n\n            // back-compat: 0.33 - This will be done in `updateUsedRoutes`. Older clients do not have that method, so\n            // keeping this one for now.\n            this.wipSerializedUsedRoutes = JSON.stringify(this.usedRoutes);\n        }\n        super.startSummary(referenceSequenceNumber, summaryLogger);\n    }\n\n    /**\n     * Called after summary has been uploaded to the server. Add the work-in-progress state to the pending\n     * summary queue. We track this until we get an ack from the server for this summary.\n     */\n    protected completeSummaryCore(\n        proposalHandle: string,\n        parentPath: EscapedPath | undefined,\n        parentSkipRecursion: boolean,\n    ) {\n        let wipSerializedUsedRoutes: string | undefined;\n        // If GC is disabled, don't set wip used routes.\n        if (!this.gcDisabled) {\n            wipSerializedUsedRoutes = this.wipSerializedUsedRoutes;\n            assert(wipSerializedUsedRoutes !== undefined, \"We should have been tracking used routes\");\n        }\n\n        super.completeSummaryCore(proposalHandle, parentPath, parentSkipRecursion);\n\n        // If GC is disabled, skip setting pending summary with GC state.\n        if (!this.gcDisabled) {\n            const summaryNode = this.pendingSummaries.get(proposalHandle);\n            if (summaryNode !== undefined) {\n                // eslint-disable-next-line @typescript-eslint/no-non-null-assertion\n                const summaryNodeWithGC = new SummaryNodeWithGC(wipSerializedUsedRoutes!, summaryNode);\n                this.pendingSummaries.set(proposalHandle, summaryNodeWithGC);\n            }\n        }\n    }\n\n    /**\n     * Clears the work-in-progress state.\n     */\n    public clearSummary() {\n        this.wipSerializedUsedRoutes = undefined;\n        super.clearSummary();\n    }\n\n    /**\n     * Called when we get an ack from the server for a summary we sent. Update the reference state of this node\n     * from the state in the pending summary queue.\n     */\n    protected refreshLatestSummaryFromPending(\n        proposalHandle: string,\n        referenceSequenceNumber: number,\n    ): void {\n        // If GC is disabled, skip setting referenced used routes since we are not tracking GC state.\n        if (!this.gcDisabled) {\n            const summaryNode = this.pendingSummaries.get(proposalHandle) as SummaryNodeWithGC;\n            if (summaryNode !== undefined) {\n                this.referenceUsedRoutes = JSON.parse(summaryNode.serializedUsedRoutes);\n            }\n        }\n\n        return super.refreshLatestSummaryFromPending(proposalHandle, referenceSequenceNumber);\n    }\n\n    /**\n     * Called when we need to upload the reference state from the given summary. Read the GC blob and get the state\n     * to upload from it.\n     */\n    protected async refreshLatestSummaryFromSnapshot(\n        referenceSequenceNumber: number,\n        snapshotTree: ISnapshotTree,\n        basePath: EscapedPath | undefined,\n        localPath: EscapedPath,\n        correlatedSummaryLogger: ITelemetryLogger,\n        readAndParseBlob: ReadAndParseBlob,\n    ): Promise<void> {\n        // If GC is disabled, skip setting referenced used routes since we are not tracking GC state.\n        if (!this.gcDisabled) {\n            const gcDetailsBlob = snapshotTree.blobs[gcBlobKey];\n            if (gcDetailsBlob !== undefined) {\n                const gcDetails = await readAndParseBlob<IGarbageCollectionSummaryDetails>(gcDetailsBlob);\n\n                // Possible re-entrancy. If we have already seen a summary later than this one, ignore it.\n                if (this.referenceSequenceNumber >= referenceSequenceNumber) {\n                    return;\n                }\n\n                this.referenceUsedRoutes = gcDetails.usedRoutes;\n            }\n        }\n\n        return super.refreshLatestSummaryFromSnapshot(\n            referenceSequenceNumber,\n            snapshotTree,\n            basePath,\n            localPath,\n            correlatedSummaryLogger,\n            readAndParseBlob,\n        );\n    }\n\n    /**\n     * Override the createChild method to return an instance of SummarizerNodeWithGC.\n     */\n    public createChild(\n        /** Summarize function */\n        summarizeInternalFn: (fullTree: boolean, trackState: boolean) => Promise<ISummarizeInternalResult>,\n        /** Initial id or path part of this node */\n        id: string,\n        /**\n         * Information needed to create the node.\n         * If it is from a base summary, it will assert that a summary has been seen.\n         * Attach information if it is created from an attach op.\n         */\n        createParam: CreateChildSummarizerNodeParam,\n        config: ISummarizerNodeConfigWithGC = {},\n        getGCDataFn?: (fullGC?: boolean) => Promise<IGarbageCollectionData>,\n        getInitialGCSummaryDetailsFn?: () => Promise<IGarbageCollectionSummaryDetails>,\n    ): ISummarizerNodeWithGC {\n        assert(!this.children.has(id), \"Create SummarizerNode child already exists\");\n\n        const createDetails: ICreateChildDetails = this.getCreateDetailsForChild(id, createParam);\n        const child = new SummarizerNodeWithGC(\n            this.defaultLogger,\n            summarizeInternalFn,\n            {\n                ...config,\n                // Propagate our gcDisabled state to the child if its not explicity specified in child's config.\n                gcDisabled: config.gcDisabled ?? this.gcDisabled,\n            },\n            createDetails.changeSequenceNumber,\n            createDetails.latestSummary,\n            createDetails.initialSummary,\n            this.wipSummaryLogger,\n            getGCDataFn,\n            getInitialGCSummaryDetailsFn,\n        );\n\n        // back-compat: 0.33 - If a child is created during summarize, its wip used routes will updated in\n        // `updateUsedRoutes` method. For older clients, do it here since that method does not exist.\n\n        // There may be additional state that has to be updated in this child. For example, if a summary is being\n        // tracked, the child's summary tracking state needs to be updated too.\n        this.maybeUpdateChildState(child);\n\n        this.children.set(id, child);\n        return child;\n    }\n\n    /**\n     * Override the getChild method to return an instance of SummarizerNodeWithGC.\n     */\n    public getChild(id: string): ISummarizerNodeWithGC | undefined {\n        return this.children.get(id) as SummarizerNodeWithGC;\n    }\n\n    public isReferenced(): boolean {\n        return this.usedRoutes.includes(\"\") || this.usedRoutes.includes(\"/\");\n    }\n\n    public updateUsedRoutes(usedRoutes: string[]) {\n        // Sort the given routes before updating. This will ensure that the routes compared in hasUsedStateChanged()\n        // are in the same order.\n        this._usedRoutes = usedRoutes.sort();\n\n        // If GC is not disabled and we are tracking a summary, update the work-in-progress used routes so that it can\n        // be tracked for this summary.\n        if (!this.gcDisabled && this.isTrackingInProgress()) {\n            this.wipSerializedUsedRoutes = JSON.stringify(this.usedRoutes);\n        }\n    }\n\n    /**\n     * Override the hasChanged method. If this node data or its used state changed, the node is considered changed.\n     */\n    protected hasChanged(): boolean {\n        return this.hasDataChanged() || this.hasUsedStateChanged();\n    }\n\n    /**\n     * This tells whether the data in this node has changed or not.\n     */\n    private hasDataChanged(): boolean {\n        return super.hasChanged();\n    }\n\n    /**\n     * This tells whether the used state of this node has changed since last successful summary. If the used routes\n     * of this node changed, its used state is considered changed. Basically, if this node or any of its child nodes\n     * was previously used and became unused (or vice versa), its used state has changed.\n     */\n    private hasUsedStateChanged(): boolean {\n        // If GC is disabled, we are not tracking used state, return false.\n        if (this.gcDisabled) {\n            return false;\n        }\n\n        return this.referenceUsedRoutes === undefined ||\n            JSON.stringify(this.usedRoutes) !== JSON.stringify(this.referenceUsedRoutes);\n    }\n\n    /**\n     * Updates the work-in-progress state of the child if summary is in progress.\n     * @param child - The child node to be updated.\n     */\n    protected maybeUpdateChildState(child: SummarizerNodeWithGC) {\n        if (this.isTrackingInProgress()) {\n            // Update the child's work-in-progress used routes.\n            child.updateUsedRoutes(child.usedRoutes);\n        }\n        super.maybeUpdateChildState(child);\n    }\n}\n\n/**\n * Creates a root summarizer node with GC functionality built-in.\n * @param logger - Logger to use within SummarizerNode\n * @param summarizeInternalFn - Function to generate summary\n * @param changeSequenceNumber - Sequence number of latest change to new node/subtree\n * @param referenceSequenceNumber - Reference sequence number of last acked summary,\n * or undefined if not loaded from summary\n * @param config - Configure behavior of summarizer node\n * @param getGCDataFn - Function to get the GC data of this node\n * @param gcDetailsInInitialSummaryP - Function to get the initial GC details of this node\n */\nexport const createRootSummarizerNodeWithGC = (\n    logger: ITelemetryLogger,\n    summarizeInternalFn: (fullTree: boolean, trackState: boolean) => Promise<ISummarizeInternalResult>,\n    changeSequenceNumber: number,\n    referenceSequenceNumber: number | undefined,\n    config: ISummarizerNodeConfigWithGC = {},\n    getGCDataFn?: (fullGC?: boolean) => Promise<IGarbageCollectionData>,\n    getInitialGCSummaryDetailsFn?: () => Promise<IGarbageCollectionSummaryDetails>,\n): IRootSummarizerNodeWithGC => new SummarizerNodeWithGC(\n    logger,\n    summarizeInternalFn,\n    config,\n    changeSequenceNumber,\n    referenceSequenceNumber === undefined ? undefined : SummaryNode.createForRoot(referenceSequenceNumber),\n    undefined /* initialSummary */,\n    undefined /* wipSummaryLogger */,\n    getGCDataFn,\n    getInitialGCSummaryDetailsFn,\n);\n"]}
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All rights reserved.\n * Licensed under the MIT License.\n */\n\nimport { ITelemetryLogger } from \"@fluidframework/common-definitions\";\nimport { assert, LazyPromise } from \"@fluidframework/common-utils\";\nimport { cloneGCData } from \"@fluidframework/garbage-collector\";\nimport { ISnapshotTree } from \"@fluidframework/protocol-definitions\";\nimport {\n    CreateChildSummarizerNodeParam,\n    gcBlobKey,\n    IContextSummarizeResult,\n    IGarbageCollectionData,\n    IGarbageCollectionSummaryDetails,\n    ISummarizeInternalResult,\n    ISummarizerNodeConfigWithGC,\n    ISummarizerNodeWithGC,\n} from \"@fluidframework/runtime-definitions\";\nimport { SummarizerNode } from \"./summarizerNode\";\nimport {\n    EscapedPath,\n    ICreateChildDetails,\n    IInitialSummary,\n    ISummarizerNodeRootContract,\n    ReadAndParseBlob,\n    SummaryNode,\n} from \"./summarizerNodeUtils\";\n\nexport interface IRootSummarizerNodeWithGC extends ISummarizerNodeWithGC, ISummarizerNodeRootContract {}\n\n// Extend SummaryNode to add used routes tracking to it.\nclass SummaryNodeWithGC extends SummaryNode {\n    constructor(\n        public readonly serializedUsedRoutes: string,\n        summary: {\n            readonly referenceSequenceNumber: number,\n            readonly basePath: EscapedPath | undefined,\n            readonly localPath: EscapedPath,\n            additionalPath?: EscapedPath,\n        },\n    ) {\n        super(summary);\n    }\n}\n\n/**\n * Extends the functionality of SummarizerNode to manage this node's garbage collection data:\n * - Adds a new API `getGCData` to return GC data of this node.\n * - Caches the result of `getGCData` to be used if nothing changes between summaries.\n * - Adds GC data to the result of summarize.\n * - Manages the used routes of this node. These are used to identify if this node is referenced in the document\n *   and to determine if the node's used state changed since last summary.\n * - Adds trackState param to summarize. If trackState is false, it bypasses the SummarizerNode and calls\n *   directly into summarizeInternal method.\n */\nexport class SummarizerNodeWithGC extends SummarizerNode implements IRootSummarizerNodeWithGC {\n    private gcData: IGarbageCollectionData | undefined;\n\n    // Tracks the work-in-progress used routes during summary.\n    private wipSerializedUsedRoutes: string | undefined;\n\n    // This is the last known used routes of this node as seen by the server as part of a summary.\n    private referenceUsedRoutes: string[] | undefined;\n\n    // The GC details of this node in the initial summary.\n    private readonly gcDetailsInInitialSummaryP: LazyPromise<IGarbageCollectionSummaryDetails>;\n\n    // Set used routes to have self route by default. This makes the node referenced by default. This is done to ensure\n    // that this node is not marked as collected when running GC has been disabled. Once, the option to disable GC is\n    // removed (from runGC flag in IContainerRuntimeOptions), this should be changed to be have no routes by default.\n    private _usedRoutes: string[] = [\"\"];\n    public get usedRoutes(): string[] {\n        return this._usedRoutes;\n    }\n\n    // True if GC is disabled for this node. If so, do not track GC specific state for a summary.\n    private readonly gcDisabled: boolean;\n\n    /**\n     * Do not call constructor directly.\n     * Use createRootSummarizerNodeWithGC to create root node, or createChild to create child nodes.\n     */\n    public constructor(\n        logger: ITelemetryLogger,\n        private readonly summarizeFn: (fullTree: boolean, trackState: boolean) => Promise<ISummarizeInternalResult>,\n        config: ISummarizerNodeConfigWithGC,\n        changeSequenceNumber: number,\n        /** Undefined means created without summary */\n        latestSummary?: SummaryNode,\n        initialSummary?: IInitialSummary,\n        wipSummaryLogger?: ITelemetryLogger,\n        private readonly getGCDataFn?: (fullGC?: boolean) => Promise<IGarbageCollectionData>,\n        getInitialGCSummaryDetailsFn?: () => Promise<IGarbageCollectionSummaryDetails>,\n    ) {\n        super(\n            logger,\n            async (fullTree: boolean) => this.summarizeInternal(fullTree, true /* trackState */),\n            config,\n            changeSequenceNumber,\n            latestSummary,\n            initialSummary,\n            wipSummaryLogger,\n        );\n\n        this.gcDisabled = config.gcDisabled === true;\n\n        this.gcDetailsInInitialSummaryP = new LazyPromise(async () => {\n            // back-compat: 0.32. getInitialGCSummaryDetailsFn() returns undefined in 0.31. Remove undefined check\n            // when N > 34.\n            const gcSummaryDetails = await getInitialGCSummaryDetailsFn?.();\n            return gcSummaryDetails ?? { usedRoutes: [] };\n        });\n    }\n\n    /**\n     * Loads state from this node's initial GC summary details. This contains the following data from the last summary\n     * seen by the server for this client:\n     * - usedRoutes: This is used to figure out if the used state of this node changed since last summary.\n     * - gcData: The garbage collection data of this node that is required for running GC.\n     */\n    private async loadInitialGCSummaryDetails() {\n        // If referenceUsedRoutes is not undefined, don't do anything because we have already initialized.\n        if (this.referenceUsedRoutes === undefined) {\n            const gcDetailsInInitialSummary = await this.gcDetailsInInitialSummaryP;\n            this.referenceUsedRoutes = gcDetailsInInitialSummary.usedRoutes;\n\n            // If the GC details has GC data, initialize our GC data from it.\n            if (gcDetailsInInitialSummary.gcData !== undefined) {\n                this.gcData = cloneGCData(gcDetailsInInitialSummary.gcData);\n            }\n        }\n    }\n\n    public async summarize(fullTree: boolean, trackState: boolean = true): Promise<IContextSummarizeResult> {\n        // Load GC details from the initial summary, if it's not already loaded. If this is the first time this node is\n        // being summarized, the used routes in it are needed to find out if this node has changed since last summary.\n        // If it hasn't changed, the GC data in it needs to be returned as part of the summary.\n        await this.loadInitialGCSummaryDetails();\n\n        // If GC is not disabled and we are tracking a summary, GC should have run and updated the used routes for this\n        //  summary by calling updateUsedRoutes which sets wipSerializedUsedRoutes.\n        if (!this.gcDisabled && this.isTrackingInProgress()) {\n            assert(this.wipSerializedUsedRoutes !== undefined,\n                0x1b1 /* \"wip used routes should be set if tracking a summary\" */);\n        }\n\n        // If trackState is true, get summary from base summarizer node which tracks summary state.\n        // If trackState is false, get summary from summarizeInternal.\n        if (trackState) {\n            const summarizeResult = await super.summarize(fullTree);\n\n            // If there is no cached GC data, return empty data in summarize result. It is the caller's responsibility\n            // to ensure that GC data is available by calling getGCData before calling summarize.\n            const gcData = this.gcData !== undefined ? cloneGCData(this.gcData) : { gcNodes: {} };\n\n            return {\n                ...summarizeResult,\n                gcData,\n            };\n        } else {\n            return this.summarizeInternal(fullTree, trackState);\n        }\n    }\n\n    private async summarizeInternal(fullTree: boolean, trackState: boolean): Promise<ISummarizeInternalResult> {\n        const summarizeResult = await this.summarizeFn(fullTree, trackState);\n        this.gcData = cloneGCData(summarizeResult.gcData);\n        return summarizeResult;\n    }\n\n    /**\n     * Returns the GC data of this node. If nothing has changed since last summary, it tries to reuse the data from\n     * the previous summary. Else, it gets new GC data from the underlying Fluid object.\n     * @param fullGC - true to bypass optimizations and force full generation of GC data.\n     */\n    public async getGCData(fullGC: boolean = false): Promise<IGarbageCollectionData> {\n        assert(!this.gcDisabled, 0x1b2 /* \"Getting GC data should not be called when GC is disabled!\" */);\n        assert(this.getGCDataFn !== undefined, 0x1b3 /* \"GC data cannot be retrieved without getGCDataFn\" */);\n\n        // Load GC details from the initial summary, if not already loaded. If this is the first time this function is\n        // called and the node's data has not changed since last summary, the GC data in initial details is returned.\n        await this.loadInitialGCSummaryDetails();\n\n        // If there is no new data since last summary and we have GC data from the previous run, return it. We may not\n        // have data from previous GC run for clients with older summary format before GC was added. They won't have\n        // GC details in their initial summary.\n        if (!fullGC && !this.hasDataChanged() && this.gcData !== undefined) {\n            return cloneGCData(this.gcData);\n        }\n\n        const gcData = await this.getGCDataFn(fullGC);\n        this.gcData = cloneGCData(gcData);\n        return gcData;\n    }\n\n    /**\n     * Called during the start of a summary. Updates the work-in-progress used routes.\n     */\n    public startSummary(referenceSequenceNumber: number, summaryLogger: ITelemetryLogger) {\n        // If GC is disabled, skip setting wip used routes since we should not track GC state.\n        if (!this.gcDisabled) {\n            assert(\n                this.wipSerializedUsedRoutes === undefined,\n                0x1b4 /* \"We should not already be tracking used routes when to track a new summary\" */);\n\n            // back-compat: 0.33 - This will be done in `updateUsedRoutes`. Older clients do not have that method, so\n            // keeping this one for now.\n            this.wipSerializedUsedRoutes = JSON.stringify(this.usedRoutes);\n        }\n        super.startSummary(referenceSequenceNumber, summaryLogger);\n    }\n\n    /**\n     * Called after summary has been uploaded to the server. Add the work-in-progress state to the pending\n     * summary queue. We track this until we get an ack from the server for this summary.\n     */\n    protected completeSummaryCore(\n        proposalHandle: string,\n        parentPath: EscapedPath | undefined,\n        parentSkipRecursion: boolean,\n    ) {\n        let wipSerializedUsedRoutes: string | undefined;\n        // If GC is disabled, don't set wip used routes.\n        if (!this.gcDisabled) {\n            wipSerializedUsedRoutes = this.wipSerializedUsedRoutes;\n            assert(wipSerializedUsedRoutes !== undefined, 0x1b5 /* \"We should have been tracking used routes\" */);\n        }\n\n        super.completeSummaryCore(proposalHandle, parentPath, parentSkipRecursion);\n\n        // If GC is disabled, skip setting pending summary with GC state.\n        if (!this.gcDisabled) {\n            const summaryNode = this.pendingSummaries.get(proposalHandle);\n            if (summaryNode !== undefined) {\n                // eslint-disable-next-line @typescript-eslint/no-non-null-assertion\n                const summaryNodeWithGC = new SummaryNodeWithGC(wipSerializedUsedRoutes!, summaryNode);\n                this.pendingSummaries.set(proposalHandle, summaryNodeWithGC);\n            }\n        }\n    }\n\n    /**\n     * Clears the work-in-progress state.\n     */\n    public clearSummary() {\n        this.wipSerializedUsedRoutes = undefined;\n        super.clearSummary();\n    }\n\n    /**\n     * Called when we get an ack from the server for a summary we sent. Update the reference state of this node\n     * from the state in the pending summary queue.\n     */\n    protected refreshLatestSummaryFromPending(\n        proposalHandle: string,\n        referenceSequenceNumber: number,\n    ): void {\n        // If GC is disabled, skip setting referenced used routes since we are not tracking GC state.\n        if (!this.gcDisabled) {\n            const summaryNode = this.pendingSummaries.get(proposalHandle) as SummaryNodeWithGC;\n            if (summaryNode !== undefined) {\n                this.referenceUsedRoutes = JSON.parse(summaryNode.serializedUsedRoutes);\n            }\n        }\n\n        return super.refreshLatestSummaryFromPending(proposalHandle, referenceSequenceNumber);\n    }\n\n    /**\n     * Called when we need to upload the reference state from the given summary. Read the GC blob and get the state\n     * to upload from it.\n     */\n    protected async refreshLatestSummaryFromSnapshot(\n        referenceSequenceNumber: number,\n        snapshotTree: ISnapshotTree,\n        basePath: EscapedPath | undefined,\n        localPath: EscapedPath,\n        correlatedSummaryLogger: ITelemetryLogger,\n        readAndParseBlob: ReadAndParseBlob,\n    ): Promise<void> {\n        // If GC is disabled, skip setting referenced used routes since we are not tracking GC state.\n        if (!this.gcDisabled) {\n            const gcDetailsBlob = snapshotTree.blobs[gcBlobKey];\n            if (gcDetailsBlob !== undefined) {\n                const gcDetails = await readAndParseBlob<IGarbageCollectionSummaryDetails>(gcDetailsBlob);\n\n                // Possible re-entrancy. If we have already seen a summary later than this one, ignore it.\n                if (this.referenceSequenceNumber >= referenceSequenceNumber) {\n                    return;\n                }\n\n                this.referenceUsedRoutes = gcDetails.usedRoutes;\n            }\n        }\n\n        return super.refreshLatestSummaryFromSnapshot(\n            referenceSequenceNumber,\n            snapshotTree,\n            basePath,\n            localPath,\n            correlatedSummaryLogger,\n            readAndParseBlob,\n        );\n    }\n\n    /**\n     * Override the createChild method to return an instance of SummarizerNodeWithGC.\n     */\n    public createChild(\n        /** Summarize function */\n        summarizeInternalFn: (fullTree: boolean, trackState: boolean) => Promise<ISummarizeInternalResult>,\n        /** Initial id or path part of this node */\n        id: string,\n        /**\n         * Information needed to create the node.\n         * If it is from a base summary, it will assert that a summary has been seen.\n         * Attach information if it is created from an attach op.\n         */\n        createParam: CreateChildSummarizerNodeParam,\n        config: ISummarizerNodeConfigWithGC = {},\n        getGCDataFn?: (fullGC?: boolean) => Promise<IGarbageCollectionData>,\n        getInitialGCSummaryDetailsFn?: () => Promise<IGarbageCollectionSummaryDetails>,\n    ): ISummarizerNodeWithGC {\n        assert(!this.children.has(id), 0x1b6 /* \"Create SummarizerNode child already exists\" */);\n\n        const createDetails: ICreateChildDetails = this.getCreateDetailsForChild(id, createParam);\n        const child = new SummarizerNodeWithGC(\n            this.defaultLogger,\n            summarizeInternalFn,\n            {\n                ...config,\n                // Propagate our gcDisabled state to the child if its not explicity specified in child's config.\n                gcDisabled: config.gcDisabled ?? this.gcDisabled,\n            },\n            createDetails.changeSequenceNumber,\n            createDetails.latestSummary,\n            createDetails.initialSummary,\n            this.wipSummaryLogger,\n            getGCDataFn,\n            getInitialGCSummaryDetailsFn,\n        );\n\n        // back-compat: 0.33 - If a child is created during summarize, its wip used routes will updated in\n        // `updateUsedRoutes` method. For older clients, do it here since that method does not exist.\n\n        // There may be additional state that has to be updated in this child. For example, if a summary is being\n        // tracked, the child's summary tracking state needs to be updated too.\n        this.maybeUpdateChildState(child);\n\n        this.children.set(id, child);\n        return child;\n    }\n\n    /**\n     * Override the getChild method to return an instance of SummarizerNodeWithGC.\n     */\n    public getChild(id: string): ISummarizerNodeWithGC | undefined {\n        return this.children.get(id) as SummarizerNodeWithGC;\n    }\n\n    public isReferenced(): boolean {\n        return this.usedRoutes.includes(\"\") || this.usedRoutes.includes(\"/\");\n    }\n\n    public updateUsedRoutes(usedRoutes: string[]) {\n        // Sort the given routes before updating. This will ensure that the routes compared in hasUsedStateChanged()\n        // are in the same order.\n        this._usedRoutes = usedRoutes.sort();\n\n        // If GC is not disabled and we are tracking a summary, update the work-in-progress used routes so that it can\n        // be tracked for this summary.\n        if (!this.gcDisabled && this.isTrackingInProgress()) {\n            this.wipSerializedUsedRoutes = JSON.stringify(this.usedRoutes);\n        }\n    }\n\n    /**\n     * Override the hasChanged method. If this node data or its used state changed, the node is considered changed.\n     */\n    protected hasChanged(): boolean {\n        return this.hasDataChanged() || this.hasUsedStateChanged();\n    }\n\n    /**\n     * This tells whether the data in this node has changed or not.\n     */\n    private hasDataChanged(): boolean {\n        return super.hasChanged();\n    }\n\n    /**\n     * This tells whether the used state of this node has changed since last successful summary. If the used routes\n     * of this node changed, its used state is considered changed. Basically, if this node or any of its child nodes\n     * was previously used and became unused (or vice versa), its used state has changed.\n     */\n    private hasUsedStateChanged(): boolean {\n        // If GC is disabled, we are not tracking used state, return false.\n        if (this.gcDisabled) {\n            return false;\n        }\n\n        return this.referenceUsedRoutes === undefined ||\n            JSON.stringify(this.usedRoutes) !== JSON.stringify(this.referenceUsedRoutes);\n    }\n\n    /**\n     * Updates the work-in-progress state of the child if summary is in progress.\n     * @param child - The child node to be updated.\n     */\n    protected maybeUpdateChildState(child: SummarizerNodeWithGC) {\n        if (this.isTrackingInProgress()) {\n            // Update the child's work-in-progress used routes.\n            child.updateUsedRoutes(child.usedRoutes);\n        }\n        super.maybeUpdateChildState(child);\n    }\n}\n\n/**\n * Creates a root summarizer node with GC functionality built-in.\n * @param logger - Logger to use within SummarizerNode\n * @param summarizeInternalFn - Function to generate summary\n * @param changeSequenceNumber - Sequence number of latest change to new node/subtree\n * @param referenceSequenceNumber - Reference sequence number of last acked summary,\n * or undefined if not loaded from summary\n * @param config - Configure behavior of summarizer node\n * @param getGCDataFn - Function to get the GC data of this node\n * @param gcDetailsInInitialSummaryP - Function to get the initial GC details of this node\n */\nexport const createRootSummarizerNodeWithGC = (\n    logger: ITelemetryLogger,\n    summarizeInternalFn: (fullTree: boolean, trackState: boolean) => Promise<ISummarizeInternalResult>,\n    changeSequenceNumber: number,\n    referenceSequenceNumber: number | undefined,\n    config: ISummarizerNodeConfigWithGC = {},\n    getGCDataFn?: (fullGC?: boolean) => Promise<IGarbageCollectionData>,\n    getInitialGCSummaryDetailsFn?: () => Promise<IGarbageCollectionSummaryDetails>,\n): IRootSummarizerNodeWithGC => new SummarizerNodeWithGC(\n    logger,\n    summarizeInternalFn,\n    config,\n    changeSequenceNumber,\n    referenceSequenceNumber === undefined ? undefined : SummaryNode.createForRoot(referenceSequenceNumber),\n    undefined /* initialSummary */,\n    undefined /* wipSummaryLogger */,\n    getGCDataFn,\n    getInitialGCSummaryDetailsFn,\n);\n"]}

lib/summaryUtils.d.ts.map

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lib/summaryUtils.js

@@ -188,3 +188,3 @@ /*!
 export function convertSnapshotTreeToSummaryTree(snapshot) {
-    assert(Object.keys(snapshot.commits).length === 0, "There should not be commit tree entries in snapshot");
+    assert(Object.keys(snapshot.commits).length === 0, 0x19e /* "There should not be commit tree entries in snapshot" */);
     const builder = new SummaryTreeBuilder();
@@ -191,0 +191,0 @@ for (const [key, value] of Object.entries(snapshot.blobs)) {

lib/summaryUtils.js.map

@@ -1,1 +0,1 @@
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* Copyright (c) Microsoft Corporation. All rights reserved.\n * Licensed under the MIT License.\n */\n\nimport {\n    assert,\n    fromBase64ToUtf8,\n    IsoBuffer,\n    Uint8ArrayToString,\n    unreachableCase,\n    stringToBuffer,\n} from \"@fluidframework/common-utils\";\nimport { AttachmentTreeEntry, BlobTreeEntry, TreeTreeEntry } from \"@fluidframework/protocol-base\";\nimport {\n    ITree,\n    SummaryType,\n    ISummaryTree,\n    SummaryObject,\n    ISummaryBlob,\n    TreeEntry,\n    ITreeEntry,\n    ISnapshotTree,\n} from \"@fluidframework/protocol-definitions\";\nimport { ISummaryStats, ISummarizeResult, ISummaryTreeWithStats } from \"@fluidframework/runtime-definitions\";\n\n/**\n * Combines summary stats by adding their totals together.\n * Returns empty stats if called without args.\n * @param stats - stats to merge\n */\nexport function mergeStats(...stats: ISummaryStats[]): ISummaryStats {\n    const results = {\n        treeNodeCount: 0,\n        blobNodeCount: 0,\n        handleNodeCount: 0,\n        totalBlobSize: 0,\n    };\n    for (const stat of stats) {\n        results.treeNodeCount += stat.treeNodeCount;\n        results.blobNodeCount += stat.blobNodeCount;\n        results.handleNodeCount += stat.handleNodeCount;\n        results.totalBlobSize += stat.totalBlobSize;\n    }\n    return results;\n}\n\nexport function getBlobSize(content: ISummaryBlob[\"content\"]): number {\n    if (typeof content === \"string\") {\n        return stringToBuffer(content, \"utf8\").byteLength;\n    } else {\n        return content.byteLength;\n    }\n}\n\nfunction calculateStatsCore(summaryObject: SummaryObject, stats: ISummaryStats): void {\n    switch (summaryObject.type) {\n        case SummaryType.Tree: {\n            stats.treeNodeCount++;\n            for (const value of Object.values(summaryObject.tree)) {\n                calculateStatsCore(value, stats);\n            }\n            return;\n        }\n        case SummaryType.Handle: {\n            stats.handleNodeCount++;\n            return;\n        }\n        case SummaryType.Blob: {\n            stats.blobNodeCount++;\n            stats.totalBlobSize += getBlobSize(summaryObject.content);\n            return;\n        }\n        default: return;\n    }\n}\n\nexport function calculateStats(summary: ISummaryTree): ISummaryStats {\n    const stats = mergeStats();\n    calculateStatsCore(summary, stats);\n    return stats;\n}\n\nexport function addBlobToSummary(summary: ISummaryTreeWithStats, key: string, content: string | Uint8Array): void {\n    const blob: ISummaryBlob = {\n        type: SummaryType.Blob,\n        content,\n    };\n    summary.summary.tree[key] = blob;\n    summary.stats.blobNodeCount++;\n    summary.stats.totalBlobSize += getBlobSize(content);\n}\n\nexport function addTreeToSummary(summary: ISummaryTreeWithStats, key: string, summarizeResult: ISummarizeResult): void {\n    summary.summary.tree[key] = summarizeResult.summary;\n    summary.stats = mergeStats(summary.stats, summarizeResult.stats);\n}\n\nexport class SummaryTreeBuilder implements ISummaryTreeWithStats {\n    private attachmentCounter: number = 0;\n\n    public get summary(): ISummaryTree {\n        return {\n            type: SummaryType.Tree,\n            tree: { ...this.summaryTree },\n        };\n    }\n\n    public get stats(): Readonly<ISummaryStats> {\n        return { ...this.summaryStats };\n    }\n\n    constructor() {\n        this.summaryStats = mergeStats();\n        this.summaryStats.treeNodeCount++;\n    }\n\n    private readonly summaryTree: { [path: string]: SummaryObject } = {};\n    private summaryStats: ISummaryStats;\n\n    public addBlob(key: string, content: string | Uint8Array): void {\n        // Prevent cloning by directly referencing underlying private properties\n        addBlobToSummary({\n            summary: {\n                type: SummaryType.Tree,\n                tree: this.summaryTree,\n            },\n            stats: this.summaryStats,\n        }, key, content);\n    }\n\n    public addHandle(\n        key: string,\n        handleType: SummaryType.Tree | SummaryType.Blob | SummaryType.Attachment,\n        handle: string): void\n    {\n        this.summaryTree[key] = {\n            type: SummaryType.Handle,\n            handleType,\n            handle,\n        };\n        this.summaryStats.handleNodeCount++;\n    }\n\n    public addWithStats(key: string, summarizeResult: ISummarizeResult): void {\n        this.summaryTree[key] = summarizeResult.summary;\n        this.summaryStats = mergeStats(this.summaryStats, summarizeResult.stats);\n    }\n\n    public addAttachment(id: string) {\n        this.summaryTree[this.attachmentCounter++] = { id, type: SummaryType.Attachment };\n    }\n\n    public getSummaryTree(): ISummaryTreeWithStats {\n        return { summary: this.summary, stats: this.stats };\n    }\n}\n\n/**\n * Converts snapshot ITree to ISummaryTree format and tracks stats.\n * @param snapshot - snapshot in ITree format\n * @param fullTree - true to never use handles, even if id is specified\n */\nexport function convertToSummaryTreeWithStats(\n    snapshot: ITree,\n    fullTree: boolean = false,\n): ISummaryTreeWithStats {\n    const builder = new SummaryTreeBuilder();\n    for (const entry of snapshot.entries) {\n        switch (entry.type) {\n            case TreeEntry.Blob: {\n                const blob = entry.value;\n                let content: string | Uint8Array;\n                if (blob.encoding === \"base64\") {\n                    content = IsoBuffer.from(blob.contents, \"base64\");\n                } else {\n                    content = blob.contents;\n                }\n                builder.addBlob(entry.path, content);\n                break;\n            }\n\n            case TreeEntry.Tree: {\n                const subtree = convertToSummaryTree(\n                    entry.value,\n                    fullTree);\n                builder.addWithStats(entry.path, subtree);\n\n                break;\n            }\n\n            case TreeEntry.Attachment: {\n                const id = entry.value.id;\n                builder.addAttachment(id);\n\n                break;\n            }\n\n            case TreeEntry.Commit:\n                throw new Error(\"Should not have Commit TreeEntry in summary\");\n\n            default:\n                throw new Error(\"Unexpected TreeEntry type\");\n        }\n    }\n\n    return builder.getSummaryTree();\n}\n\n/**\n * Converts snapshot ITree to ISummaryTree format and tracks stats.\n * @param snapshot - snapshot in ITree format\n * @param fullTree - true to never use handles, even if id is specified\n */\nexport function convertToSummaryTree(\n    snapshot: ITree,\n    fullTree: boolean = false,\n): ISummarizeResult {\n    // eslint-disable-next-line @typescript-eslint/strict-boolean-expressions\n    if (snapshot.id && !fullTree) {\n        const stats = mergeStats();\n        stats.handleNodeCount++;\n        return {\n            summary: {\n                handle: snapshot.id,\n                handleType: SummaryType.Tree,\n                type: SummaryType.Handle,\n            },\n            stats,\n        };\n    } else {\n        return convertToSummaryTreeWithStats(snapshot, fullTree);\n    }\n}\n\n/**\n * Converts ISnapshotTree to ISummaryTree format and tracks stats. This snapshot tree was\n * was taken by serialize api in detached container.\n * @param snapshot - snapshot in ISnapshotTree format\n */\nexport function convertSnapshotTreeToSummaryTree(\n    snapshot: ISnapshotTree,\n): ISummaryTreeWithStats {\n    assert(Object.keys(snapshot.commits).length === 0, \"There should not be commit tree entries in snapshot\");\n\n    const builder = new SummaryTreeBuilder();\n    for (const [key, value] of Object.entries(snapshot.blobs)) {\n        // The entries in blobs are supposed to be blobPath -> blobId and blobId -> blobValue\n        // and we want to push blobPath to blobValue in tree entries.\n        if (snapshot.blobs[value] !== undefined) {\n            const decoded = fromBase64ToUtf8(snapshot.blobs[value]);\n            builder.addBlob(key, decoded);\n        }\n    }\n\n    for (const [key, tree] of Object.entries(snapshot.trees)) {\n        const subtree = convertSnapshotTreeToSummaryTree(tree);\n        builder.addWithStats(key, subtree);\n    }\n    return builder.getSummaryTree();\n}\n\n/**\n * Utility to convert serialized snapshot taken in detached container to format where we can use it to\n * attach the container.\n * @param serializedSnapshotTree - serialized snapshot tree to be converted to summary tree for attach.\n */\nexport function convertContainerToDriverSerializedFormat(\n    serializedSnapshotTree: string,\n): ISummaryTree {\n    const snapshotTree: ISnapshotTree = JSON.parse(serializedSnapshotTree);\n    const summaryTree = convertSnapshotTreeToSummaryTree(snapshotTree).summary;\n    const appSummaryTree: ISummaryTree = {\n        type: SummaryType.Tree,\n        tree: {},\n    };\n    const entries = Object.entries(summaryTree.tree);\n    for (const [key, subTree] of entries) {\n        if (key !== \".protocol\") {\n            appSummaryTree.tree[key] = subTree;\n            // eslint-disable-next-line @typescript-eslint/no-dynamic-delete\n            delete summaryTree.tree[key];\n        }\n    }\n    summaryTree.tree[\".app\"] = appSummaryTree;\n    return summaryTree;\n}\n\n/**\n * Converts ISummaryTree to ITree format. This is needed for back-compat while we get rid of snapshot.\n * @param summaryTree - summary tree in ISummaryTree format\n */\nexport function convertSummaryTreeToITree(summaryTree: ISummaryTree): ITree {\n    const entries: ITreeEntry[] = [];\n    for (const [key, value] of Object.entries(summaryTree.tree)) {\n        switch (value.type) {\n            case SummaryType.Blob: {\n                let parsedContent: string;\n                let encoding: string = \"utf-8\";\n                if (typeof value.content === \"string\") {\n                    parsedContent = value.content;\n                } else {\n                    parsedContent = Uint8ArrayToString(value.content, \"base64\");\n                    encoding = \"base64\";\n                }\n                entries.push(new BlobTreeEntry(key, parsedContent, encoding));\n                break;\n            }\n\n            case SummaryType.Tree: {\n                entries.push(new TreeTreeEntry(key, convertSummaryTreeToITree(value)));\n                break;\n            }\n\n            case SummaryType.Attachment: {\n                entries.push(new AttachmentTreeEntry(key, value.id));\n                break;\n            }\n\n            case SummaryType.Handle: {\n                throw new Error(\"Should not have Handle type in summary tree\");\n            }\n\n            default:\n                unreachableCase(value, \"Unexpected summary tree type\");\n        }\n    }\n    return {\n        entries,\n    };\n}\n"]}
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snapshot in ITree format\n * @param fullTree - true to never use handles, even if id is specified\n */\nexport function convertToSummaryTreeWithStats(\n    snapshot: ITree,\n    fullTree: boolean = false,\n): ISummaryTreeWithStats {\n    const builder = new SummaryTreeBuilder();\n    for (const entry of snapshot.entries) {\n        switch (entry.type) {\n            case TreeEntry.Blob: {\n                const blob = entry.value;\n                let content: string | Uint8Array;\n                if (blob.encoding === \"base64\") {\n                    content = IsoBuffer.from(blob.contents, \"base64\");\n                } else {\n                    content = blob.contents;\n                }\n                builder.addBlob(entry.path, content);\n                break;\n            }\n\n            case TreeEntry.Tree: {\n                const subtree = convertToSummaryTree(\n                    entry.value,\n                    fullTree);\n                builder.addWithStats(entry.path, subtree);\n\n                break;\n            }\n\n            case TreeEntry.Attachment: {\n                const id = entry.value.id;\n                builder.addAttachment(id);\n\n                break;\n            }\n\n            case TreeEntry.Commit:\n                throw new Error(\"Should not have Commit TreeEntry in summary\");\n\n            default:\n                throw new Error(\"Unexpected TreeEntry type\");\n        }\n    }\n\n    return builder.getSummaryTree();\n}\n\n/**\n * Converts snapshot ITree to ISummaryTree format and tracks stats.\n * @param snapshot - snapshot in ITree format\n * @param fullTree - true to never use handles, even if id is specified\n */\nexport function convertToSummaryTree(\n    snapshot: ITree,\n    fullTree: boolean = false,\n): ISummarizeResult {\n    // eslint-disable-next-line @typescript-eslint/strict-boolean-expressions\n    if (snapshot.id && !fullTree) {\n        const stats = mergeStats();\n        stats.handleNodeCount++;\n        return {\n            summary: {\n                handle: snapshot.id,\n                handleType: SummaryType.Tree,\n                type: SummaryType.Handle,\n            },\n            stats,\n        };\n    } else {\n        return convertToSummaryTreeWithStats(snapshot, fullTree);\n    }\n}\n\n/**\n * Converts ISnapshotTree to ISummaryTree format and tracks stats. This snapshot tree was\n * was taken by serialize api in detached container.\n * @param snapshot - snapshot in ISnapshotTree format\n */\nexport function convertSnapshotTreeToSummaryTree(\n    snapshot: ISnapshotTree,\n): ISummaryTreeWithStats {\n    assert(Object.keys(snapshot.commits).length === 0,\n        0x19e /* \"There should not be commit tree entries in snapshot\" */);\n\n    const builder = new SummaryTreeBuilder();\n    for (const [key, value] of Object.entries(snapshot.blobs)) {\n        // The entries in blobs are supposed to be blobPath -> blobId and blobId -> blobValue\n        // and we want to push blobPath to blobValue in tree entries.\n        if (snapshot.blobs[value] !== undefined) {\n            const decoded = fromBase64ToUtf8(snapshot.blobs[value]);\n            builder.addBlob(key, decoded);\n        }\n    }\n\n    for (const [key, tree] of Object.entries(snapshot.trees)) {\n        const subtree = convertSnapshotTreeToSummaryTree(tree);\n        builder.addWithStats(key, subtree);\n    }\n    return builder.getSummaryTree();\n}\n\n/**\n * Utility to convert serialized snapshot taken in detached container to format where we can use it to\n * attach the container.\n * @param serializedSnapshotTree - serialized snapshot tree to be converted to summary tree for attach.\n */\nexport function convertContainerToDriverSerializedFormat(\n    serializedSnapshotTree: string,\n): ISummaryTree {\n    const snapshotTree: ISnapshotTree = JSON.parse(serializedSnapshotTree);\n    const summaryTree = convertSnapshotTreeToSummaryTree(snapshotTree).summary;\n    const appSummaryTree: ISummaryTree = {\n        type: SummaryType.Tree,\n        tree: {},\n    };\n    const entries = Object.entries(summaryTree.tree);\n    for (const [key, subTree] of entries) {\n        if (key !== \".protocol\") {\n            appSummaryTree.tree[key] = subTree;\n            // eslint-disable-next-line @typescript-eslint/no-dynamic-delete\n            delete summaryTree.tree[key];\n        }\n    }\n    summaryTree.tree[\".app\"] = appSummaryTree;\n    return summaryTree;\n}\n\n/**\n * Converts ISummaryTree to ITree format. This is needed for back-compat while we get rid of snapshot.\n * @param summaryTree - summary tree in ISummaryTree format\n */\nexport function convertSummaryTreeToITree(summaryTree: ISummaryTree): ITree {\n    const entries: ITreeEntry[] = [];\n    for (const [key, value] of Object.entries(summaryTree.tree)) {\n        switch (value.type) {\n            case SummaryType.Blob: {\n                let parsedContent: string;\n                let encoding: string = \"utf-8\";\n                if (typeof value.content === \"string\") {\n                    parsedContent = value.content;\n                } else {\n                    parsedContent = Uint8ArrayToString(value.content, \"base64\");\n                    encoding = \"base64\";\n                }\n                entries.push(new BlobTreeEntry(key, parsedContent, encoding));\n                break;\n            }\n\n            case SummaryType.Tree: {\n                entries.push(new TreeTreeEntry(key, convertSummaryTreeToITree(value)));\n                break;\n            }\n\n            case SummaryType.Attachment: {\n                entries.push(new AttachmentTreeEntry(key, value.id));\n                break;\n            }\n\n            case SummaryType.Handle: {\n                throw new Error(\"Should not have Handle type in summary tree\");\n            }\n\n            default:\n                unreachableCase(value, \"Unexpected summary tree type\");\n        }\n    }\n    return {\n        entries,\n    };\n}\n"]}

package.json

 {
   "name": "@fluidframework/runtime-utils",
-  "version": "0.37.0-20427",
+  "version": "0.37.0-20517",
   "description": "Collection of utility functions for Fluid Runtime",
@@ -60,8 +60,8 @@ "homepage": "https://fluidframework.com",
     "@fluidframework/common-utils": "^0.29.0-0",
-    "@fluidframework/core-interfaces": "0.37.0-20427",
-    "@fluidframework/datastore-definitions": "0.37.0-20427",
-    "@fluidframework/garbage-collector": "0.37.0-20427",
+    "@fluidframework/core-interfaces": "0.37.0-20517",
+    "@fluidframework/datastore-definitions": "0.37.0-20517",
+    "@fluidframework/garbage-collector": "0.37.0-20517",
     "@fluidframework/protocol-base": "^0.1022.0-0",
     "@fluidframework/protocol-definitions": "^0.1022.0-0",
-    "@fluidframework/runtime-definitions": "0.37.0-20427",
+    "@fluidframework/runtime-definitions": "0.37.0-20517",
     "assert": "^2.0.0"
@@ -72,3 +72,3 @@ },
     "@fluidframework/eslint-config-fluid": "^0.23.0",
-    "@fluidframework/mocha-test-setup": "0.37.0-20427",
+    "@fluidframework/mocha-test-setup": "0.37.0-20517",
     "@microsoft/api-extractor": "^7.13.1",
@@ -75,0 +75,0 @@ "@types/assert": "^1.5.2",

src/dataStoreHelpers.ts

@@ -83,3 +83,3 @@ /*!
 
-    assert(response.value, "Invalid response value for Fluid object request");
+    assert(response.value, 0x19a /* "Invalid response value for Fluid object request" */);
     return response.value as T;
@@ -91,3 +91,3 @@ }
 export function createResponseError(status: number, value: string, request: IRequest): IResponse {
-    assert(status !== 200, "Cannot not create response error on 200 status");
+    assert(status !== 200, 0x19b /* "Cannot not create response error on 200 status" */);
     return {
@@ -94,0 +94,0 @@ mimeType: "text/plain",

src/objectstoragepartition.ts

@@ -15,3 +15,3 @@ /*!
         // `path` must not include the trailing separator.
-        assert(!path.endsWith("/"), "storage service path has trailing separator");
+        assert(!path.endsWith("/"), 0x19c /* "storage service path has trailing separator" */);
     }
@@ -18,0 +18,0 @@

src/packageVersion.ts

@@ -9,2 +9,2 @@ /*!
 export const pkgName = "@fluidframework/runtime-utils";
-export const pkgVersion = "0.37.0-20427";
+export const pkgVersion = "0.37.0-20517";

src/remoteObjectHandle.ts

@@ -40,3 +40,3 @@ /*!
     ) {
-        assert(absolutePath.startsWith("/"), "Handles should always have absolute paths");
+        assert(absolutePath.startsWith("/"), 0x19d /* "Handles should always have absolute paths" */);
     }
@@ -43,0 +43,0 @@

src/summarizerNode/summarizerNode.ts

@@ -71,4 +71,5 @@ /*!
     public startSummary(referenceSequenceNumber: number, summaryLogger: ITelemetryLogger) {
-        assert(this.wipSummaryLogger === undefined, "wipSummaryLogger should not be set yet in startSummary");
-        assert(this.wipReferenceSequenceNumber === undefined, "Already tracking a summary");
+        assert(this.wipSummaryLogger === undefined,
+            0x19f /* "wipSummaryLogger should not be set yet in startSummary" */);
+        assert(this.wipReferenceSequenceNumber === undefined, 0x1a0 /* "Already tracking a summary" */);
 
@@ -84,4 +85,5 @@ this.wipSummaryLogger = summaryLogger;
     public async summarize(fullTree: boolean): Promise<ISummarizeResult> {
-        assert(this.isTrackingInProgress(), "summarize should not be called when not tracking the summary");
-        assert(this.wipSummaryLogger !== undefined, "wipSummaryLogger should have been set in startSummary or ctor");
+        assert(this.isTrackingInProgress(), 0x1a1 /* "summarize should not be called when not tracking the summary" */);
+        assert(this.wipSummaryLogger !== undefined,
+            0x1a2 /* "wipSummaryLogger should have been set in startSummary or ctor" */);
 
@@ -173,4 +175,5 @@ // Try to reuse the tree if unchanged
     ) {
-        assert(this.wipSummaryLogger !== undefined, "wipSummaryLogger should have been set in startSummary or ctor");
-        assert(this.wipReferenceSequenceNumber !== undefined, "Not tracking a summary");
+        assert(this.wipSummaryLogger !== undefined,
+            0x1a3 /* "wipSummaryLogger should have been set in startSummary or ctor" */);
+        assert(this.wipReferenceSequenceNumber !== undefined, 0x1a4 /* "Not tracking a summary" */);
         let localPathsToUse = this.wipLocalPaths;
@@ -206,3 +209,3 @@
         // If there is no latestSummary, clearSummary and return before reaching this code.
-        assert(!!localPathsToUse, "Tracked summary local paths not set");
+        assert(!!localPathsToUse, 0x1a5 /* "Tracked summary local paths not set" */);
 
@@ -278,3 +281,3 @@ const summary = new SummaryNode({
                 this.latestSummary === undefined,
-                "Not found pending summary, but this node has previously completed a summary",
+                0x1a6 /* "Not found pending summary, but this node has previously completed a summary" */,
             );
@@ -286,3 +289,3 @@ return;
                 // eslint-disable-next-line max-len
-                `Pending summary reference sequence number should be consistent: ${summaryNode.referenceSequenceNumber} != ${referenceSequenceNumber}`,
+                0x1a7 /* `Pending summary reference sequence number should be consistent: ${summaryNode.referenceSequenceNumber} != ${referenceSequenceNumber}` */,
             );
@@ -402,3 +405,3 @@
                 newOpsLatestSeq <= this.trackingSequenceNumber,
-                "When loading base summary, expected outstanding ops <= tracking sequence number",
+                0x1a9 /* "When loading base summary, expected outstanding ops <= tracking sequence number" */,
             );
@@ -418,3 +421,3 @@ }
                 lastOp.sequenceNumber < op.sequenceNumber,
-                `Out of order change recorded: ${lastOp.sequenceNumber} > ${op.sequenceNumber}`,
+                0x1aa /* `Out of order change recorded: ${lastOp.sequenceNumber} > ${op.sequenceNumber}` */,
             );
@@ -481,3 +484,3 @@ }
     ): ISummarizerNode {
-        assert(!this.children.has(id), "Create SummarizerNode child already exists");
+        assert(!this.children.has(id), 0x1ab /* "Create SummarizerNode child already exists" */);
 
@@ -542,3 +545,3 @@ const createDetails: ICreateChildDetails = this.getCreateDetailsForChild(id, createParam);
                         !!parentLatestSummary,
-                        "Cannot create child from summary if parent does not have latest summary");
+                        0x1ac /* "Cannot create child from summary if parent does not have latest summary" */);
                 }
@@ -555,3 +558,3 @@ // fallthrough to local
                             childrenTree.type === SummaryType.Tree,
-                            "Parent summary object is not a tree",
+                            0x1d6 /* "Parent summary object is not a tree" */,
                         );
@@ -562,3 +565,3 @@ childSummary = childrenTree.tree[id];
                         // Locally created would not have differential subtree.
-                        assert(!!childSummary, "Missing child summary tree");
+                        assert(!!childSummary, 0x1ad /* "Missing child summary tree" */);
                     }
@@ -569,3 +572,3 @@ let childSummaryWithStats: ISummaryTreeWithStats | undefined;
                             childSummary.type === SummaryType.Tree,
-                            "Child summary object is not a tree",
+                            0x1ae /* "Child summary object is not a tree" */,
                         );
@@ -572,0 +575,0 @@ childSummaryWithStats = {

src/summarizerNode/summarizerNodeUtils.ts

@@ -206,4 +206,4 @@ /*!
 
-        assert(!!outstandingOpsBlob, "Outstanding ops blob missing, but base summary tree exists");
-        assert(newBaseSummary !== undefined, "Base summary tree missing, but outstanding ops blob exists");
+        assert(!!outstandingOpsBlob, 0x1af /* "Outstanding ops blob missing, but base summary tree exists" */);
+        assert(newBaseSummary !== undefined, 0x1b0 /* "Base summary tree missing, but outstanding ops blob exists" */);
         baseSummary = newBaseSummary;
@@ -210,0 +210,0 @@ pathParts.push(baseSummaryTreeKey);

src/summarizerNode/summarizerNodeWithGc.ts

@@ -144,3 +144,4 @@ /*!
         if (!this.gcDisabled && this.isTrackingInProgress()) {
-            assert(this.wipSerializedUsedRoutes !== undefined, "wip used routes should be set if tracking a summary");
+            assert(this.wipSerializedUsedRoutes !== undefined,
+                0x1b1 /* "wip used routes should be set if tracking a summary" */);
         }
@@ -153,3 +154,3 @@
 
-            // If there is no cached GC data, return empty data in summarize result. It is the caller's responsiblity
+            // If there is no cached GC data, return empty data in summarize result. It is the caller's responsibility
             // to ensure that GC data is available by calling getGCData before calling summarize.
@@ -179,4 +180,4 @@ const gcData = this.gcData !== undefined ? cloneGCData(this.gcData) : { gcNodes: {} };
     public async getGCData(fullGC: boolean = false): Promise<IGarbageCollectionData> {
-        assert(!this.gcDisabled, "Getting GC data should not be called when GC is disabled!");
-        assert(this.getGCDataFn !== undefined, "GC data cannot be retrieved without getGCDataFn");
+        assert(!this.gcDisabled, 0x1b2 /* "Getting GC data should not be called when GC is disabled!" */);
+        assert(this.getGCDataFn !== undefined, 0x1b3 /* "GC data cannot be retrieved without getGCDataFn" */);
 
@@ -207,3 +208,3 @@ // Load GC details from the initial summary, if not already loaded. If this is the first time this function is
                 this.wipSerializedUsedRoutes === undefined,
-                "We should not already be tracking used routes when to track a new summary");
+                0x1b4 /* "We should not already be tracking used routes when to track a new summary" */);
 
@@ -230,3 +231,3 @@ // back-compat: 0.33 - This will be done in `updateUsedRoutes`. Older clients do not have that method, so
             wipSerializedUsedRoutes = this.wipSerializedUsedRoutes;
-            assert(wipSerializedUsedRoutes !== undefined, "We should have been tracking used routes");
+            assert(wipSerializedUsedRoutes !== undefined, 0x1b5 /* "We should have been tracking used routes" */);
         }
@@ -329,3 +330,3 @@
     ): ISummarizerNodeWithGC {
-        assert(!this.children.has(id), "Create SummarizerNode child already exists");
+        assert(!this.children.has(id), 0x1b6 /* "Create SummarizerNode child already exists" */);
 
@@ -332,0 +333,0 @@ const createDetails: ICreateChildDetails = this.getCreateDetailsForChild(id, createParam);

src/summaryUtils.ts

@@ -244,3 +244,4 @@ /*!
 ): ISummaryTreeWithStats {
-    assert(Object.keys(snapshot.commits).length === 0, "There should not be commit tree entries in snapshot");
+    assert(Object.keys(snapshot.commits).length === 0,
+        0x19e /* "There should not be commit tree entries in snapshot" */);
 
@@ -247,0 +248,0 @@ const builder = new SummaryTreeBuilder();

New alerts

Network access

Supply chain risk

This module accesses the network.

Found 1 instance in 1 package

Long strings

Supply chain risk

Contains long string literals, which may be a sign of obfuscated or packed code.

Found 1 instance in 1 package

Fixed alerts

Network access

Supply chain risk

This module accesses the network.

Found 1 instance in 1 package

Long strings

Supply chain risk

Contains long string literals, which may be a sign of obfuscated or packed code.

Found 1 instance in 1 package

Improved metrics

Total package byte prevSize

637967

0.37%

Lines of code

6983

0.07%

Dependency changes

• + Added

  @fluidframework/container-definitions@0.37.0-20517
  (transitive)

• + Added

  @fluidframework/core-interfaces@0.37.0-20517
  (transitive)

• + Added

  @fluidframework/datastore-definitions@0.37.0-20517
  (transitive)

• + Added

  @fluidframework/driver-definitions@0.37.0-20517
  (transitive)

• + Added

  @fluidframework/garbage-collector@0.37.0-20517
  (transitive)

• + Added

  @fluidframework/runtime-definitions@0.37.0-20517
  (transitive)

• - Removed

  @fluidframework/container-definitions@0.37.0-20427
  (transitive)

• - Removed

  @fluidframework/core-interfaces@0.37.0-20427
  (transitive)

• - Removed

  @fluidframework/datastore-definitions@0.37.0-20427
  (transitive)

• - Removed

  @fluidframework/driver-definitions@0.37.0-20427
  (transitive)

• - Removed

  @fluidframework/garbage-collector@0.37.0-20427
  (transitive)

• - Removed

  @fluidframework/runtime-definitions@0.37.0-20427
  (transitive)

• Updated

  @fluidframework/core-interfaces@0.37.0-20517

• Updated

  @fluidframework/datastore-definitions@0.37.0-20517

• Updated

  @fluidframework/garbage-collector@0.37.0-20517

• Updated

  @fluidframework/runtime-definitions@0.37.0-20517