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Value to test\n *\n * @internal\n */\nexport function isPrimitiveBody(value: unknown, mapperTypeName?: string): value is BodyPrimitive {\n return (\n mapperTypeName !== \"Composite\" &&\n mapperTypeName !== \"Dictionary\" &&\n (typeof value === \"string\" ||\n typeof value === \"number\" ||\n typeof value === \"boolean\" ||\n mapperTypeName?.match(/^(Date|DateTime|DateTimeRfc1123|UnixTime|ByteArray|Base64Url)$/i) !==\n null ||\n value === undefined ||\n value === null)\n );\n}\n\nconst validateISODuration =\n /^(-|\\+)?P(?:([-+]?[0-9,.]*)Y)?(?:([-+]?[0-9,.]*)M)?(?:([-+]?[0-9,.]*)W)?(?:([-+]?[0-9,.]*)D)?(?:T(?:([-+]?[0-9,.]*)H)?(?:([-+]?[0-9,.]*)M)?(?:([-+]?[0-9,.]*)S)?)?$/;\n\n/**\n * Returns true if the given string is in ISO 8601 format.\n * @param value - The value to be validated for ISO 8601 duration format.\n * @internal\n */\nexport function isDuration(value: string): boolean {\n return validateISODuration.test(value);\n}\n\nconst validUuidRegex =\n /^[0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[0-9a-fA-F]{4}-[0-9a-fA-F]{4}-[0-9a-fA-F]{12}$/i;\n\n/**\n * Returns true if the provided uuid is valid.\n *\n * @param uuid - The uuid that needs to be validated.\n *\n * @internal\n */\nexport function isValidUuid(uuid: string): boolean {\n return validUuidRegex.test(uuid);\n}\n\n/**\n * Representation of parsed response headers and body coupled with information\n * about how to map them:\n * - whether the response body should be wrapped (typically if its type is primitive).\n * - whether the response is nullable so it can be null if the combination of\n * the headers and the body is empty.\n */\ninterface ResponseObjectWithMetadata {\n /** whether the mapper allows nullable body */\n hasNullableType: boolean;\n /** whether the response's body should be wrapped */\n shouldWrapBody: boolean;\n /** parsed headers of the response */\n headers:\n | {\n [key: string]: unknown;\n }\n | undefined;\n /** parsed body of the response */\n body: any;\n}\n\n/**\n * Maps the response as follows:\n * - wraps the response body if needed (typically if its type is primitive).\n * - returns null if the combination of the headers and the body is empty.\n * - otherwise, returns the combination of the headers and the body.\n *\n * @param responseObject - a representation of the parsed response\n * @returns the response that will be returned to the user which can be null and/or wrapped\n *\n * @internal\n */\nfunction handleNullableResponseAndWrappableBody(\n responseObject: ResponseObjectWithMetadata,\n): unknown | null {\n const combinedHeadersAndBody = {\n ...responseObject.headers,\n ...responseObject.body,\n };\n if (\n responseObject.hasNullableType &&\n Object.getOwnPropertyNames(combinedHeadersAndBody).length === 0\n ) {\n return responseObject.shouldWrapBody ? { body: null } : null;\n } else {\n return responseObject.shouldWrapBody\n ? {\n ...responseObject.headers,\n body: responseObject.body,\n }\n : combinedHeadersAndBody;\n }\n}\n\n/**\n * Take a `FullOperationResponse` and turn it into a flat\n * response object to hand back to the consumer.\n * @param fullResponse - The processed response from the operation request\n * @param responseSpec - The response map from the OperationSpec\n *\n * @internal\n */\nexport function flattenResponse(\n fullResponse: FullOperationResponse,\n responseSpec: OperationResponseMap | undefined,\n): unknown {\n const parsedHeaders = fullResponse.parsedHeaders;\n\n // head methods never have a body, but we return a boolean set to body property\n // to indicate presence/absence of the resource\n if (fullResponse.request.method === \"HEAD\") {\n return {\n ...parsedHeaders,\n body: fullResponse.parsedBody,\n };\n }\n const bodyMapper = responseSpec && responseSpec.bodyMapper;\n const isNullable = Boolean(bodyMapper?.nullable);\n const expectedBodyTypeName = bodyMapper?.type.name;\n\n /** If the body is asked for, we look at the expected body type to handle it */\n if (expectedBodyTypeName === \"Stream\") {\n return {\n ...parsedHeaders,\n blobBody: fullResponse.blobBody,\n readableStreamBody: fullResponse.readableStreamBody,\n };\n }\n\n const modelProperties =\n (expectedBodyTypeName === \"Composite\" &&\n (bodyMapper as CompositeMapper).type.modelProperties) ||\n {};\n const isPageableResponse = Object.keys(modelProperties).some(\n (k) => modelProperties[k].serializedName === \"\",\n );\n if (expectedBodyTypeName === \"Sequence\" || isPageableResponse) {\n const arrayResponse: { [key: string]: unknown } =\n fullResponse.parsedBody ?? ([] as unknown as { [key: string]: unknown });\n\n for (const key of Object.keys(modelProperties)) {\n if (modelProperties[key].serializedName) {\n arrayResponse[key] = fullResponse.parsedBody?.[key];\n }\n }\n\n if (parsedHeaders) {\n for (const key of Object.keys(parsedHeaders)) {\n arrayResponse[key] = parsedHeaders[key];\n }\n }\n return isNullable &&\n !fullResponse.parsedBody &&\n !parsedHeaders &&\n Object.getOwnPropertyNames(modelProperties).length === 0\n ? null\n : arrayResponse;\n }\n\n return handleNullableResponseAndWrappableBody({\n body: fullResponse.parsedBody,\n headers: parsedHeaders,\n hasNullableType: isNullable,\n shouldWrapBody: isPrimitiveBody(fullResponse.parsedBody, expectedBodyTypeName),\n });\n}\n"]}
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