@ai-sdk/amazon-bedrock - npm Package Compare versions

Comparing version 5.0.19 to 5.0.20

dist/anthropic/index.js

@@ -27,3 +27,3 @@ // src/anthropic/amazon-bedrock-anthropic-provider.ts
 // src/version.ts
-var VERSION = true ? "5.0.19" : "0.0.0-test";
+var VERSION = true ? "5.0.20" : "0.0.0-test";
 
@@ -373,27 +373,33 @@ // src/amazon-bedrock-sigv4-fetch.ts
       const requiredBetas = new Set(betas);
-      const transformedTools = tools == null ? void 0 : tools.map((tool) => {
-        const toolType = tool.type;
-        if (toolType && toolType in BEDROCK_TOOL_VERSION_MAP) {
-          const newType = BEDROCK_TOOL_VERSION_MAP[toolType];
-          if (newType in BEDROCK_TOOL_BETA_MAP) {
-            requiredBetas.add(BEDROCK_TOOL_BETA_MAP[newType]);
+      const transformedTools = tools == null ? void 0 : tools.map(
+        (rawTool) => {
+          const { eager_input_streaming: eagerInputStreaming, ...tool } = rawTool;
+          if (eagerInputStreaming === true) {
+            requiredBetas.add("fine-grained-tool-streaming-2025-05-14");
           }
-          const newName = newType in BEDROCK_TOOL_NAME_MAP ? BEDROCK_TOOL_NAME_MAP[newType] : tool.name;
-          return {
-            ...tool,
-            type: newType,
-            name: newName
-          };
+          const toolType = tool.type;
+          if (toolType && toolType in BEDROCK_TOOL_VERSION_MAP) {
+            const newType = BEDROCK_TOOL_VERSION_MAP[toolType];
+            if (newType in BEDROCK_TOOL_BETA_MAP) {
+              requiredBetas.add(BEDROCK_TOOL_BETA_MAP[newType]);
+            }
+            const newName = newType in BEDROCK_TOOL_NAME_MAP ? BEDROCK_TOOL_NAME_MAP[newType] : tool.name;
+            return {
+              ...tool,
+              type: newType,
+              name: newName
+            };
+          }
+          if (toolType && toolType in BEDROCK_TOOL_BETA_MAP) {
+            requiredBetas.add(BEDROCK_TOOL_BETA_MAP[toolType]);
+          }
+          if (toolType && toolType in BEDROCK_TOOL_NAME_MAP) {
+            return {
+              ...tool,
+              name: BEDROCK_TOOL_NAME_MAP[toolType]
+            };
+          }
+          return tool;
         }
-        if (toolType && toolType in BEDROCK_TOOL_BETA_MAP) {
-          requiredBetas.add(BEDROCK_TOOL_BETA_MAP[toolType]);
-        }
-        if (toolType && toolType in BEDROCK_TOOL_NAME_MAP) {
-          return {
-            ...tool,
-            name: BEDROCK_TOOL_NAME_MAP[toolType]
-          };
-        }
-        return tool;
-      });
+      );
       return {
@@ -400,0 +406,0 @@ ...rest,

dist/anthropic/index.js.map

@@ -1,1 +0,1 @@
-{"version":3,"sources":["../../src/anthropic/amazon-bedrock-anthropic-provider.ts","../../src/amazon-bedrock-sigv4-fetch.ts","../../src/version.ts","../../src/anthropic/amazon-bedrock-anthropic-fetch.ts","../../src/amazon-bedrock-event-stream-decoder.ts"],"sourcesContent":["import {\n  NoSuchModelError,\n  type LanguageModelV4,\n  type ProviderV4,\n} from '@ai-sdk/provider';\nimport {\n  loadOptionalSetting,\n  loadSetting,\n  resolve,\n  withoutTrailingSlash,\n  withUserAgentSuffix,\n  type FetchFunction,\n  type Resolvable,\n} from '@ai-sdk/provider-utils';\nimport {\n  anthropicTools,\n  AnthropicLanguageModel,\n} from '@ai-sdk/anthropic/internal';\nimport {\n  createApiKeyFetchFunction,\n  createSigV4FetchFunction,\n  type AmazonBedrockCredentials,\n} from '../amazon-bedrock-sigv4-fetch';\nimport { createAmazonBedrockAnthropicFetch } from './amazon-bedrock-anthropic-fetch';\nimport type { AmazonBedrockAnthropicModelId } from './amazon-bedrock-anthropic-options';\nimport { VERSION } from '../version';\n\n// Bedrock requires newer tool versions than the default Anthropic SDK versions\nconst BEDROCK_TOOL_VERSION_MAP = {\n  bash_20241022: 'bash_20250124',\n  text_editor_20241022: 'text_editor_20250728',\n  computer_20241022: 'computer_20250124',\n} as const;\n\n// Tool name mappings when upgrading versions (text_editor_20250728 requires different name)\nconst BEDROCK_TOOL_NAME_MAP: Record<string, string> = {\n  text_editor_20250728: 'str_replace_based_edit_tool',\n};\n\n// Map tool types to required anthropic_beta values for Bedrock\nconst BEDROCK_TOOL_BETA_MAP: Record<string, string> = {\n  bash_20250124: 'computer-use-2025-01-24',\n  bash_20241022: 'computer-use-2024-10-22',\n  text_editor_20250124: 'computer-use-2025-01-24',\n  text_editor_20241022: 'computer-use-2024-10-22',\n  text_editor_20250429: 'computer-use-2025-01-24',\n  text_editor_20250728: 'computer-use-2025-01-24',\n  computer_20250124: 'computer-use-2025-01-24',\n  computer_20241022: 'computer-use-2024-10-22',\n  tool_search_tool_regex_20251119: 'tool-search-tool-2025-10-19',\n  // BM25 is not currently supported on Bedrock, but including the beta flag\n  // so that Bedrock returns a more useful error message if it's used.\n  tool_search_tool_bm25_20251119: 'tool-search-tool-2025-10-19',\n};\n\nexport interface AmazonBedrockAnthropicProvider extends ProviderV4 {\n  /**\n   * Creates a model for text generation.\n   */\n  (modelId: AmazonBedrockAnthropicModelId): LanguageModelV4;\n\n  /**\n   * Creates a model for text generation.\n   */\n  languageModel(modelId: AmazonBedrockAnthropicModelId): LanguageModelV4;\n\n  /**\n   * Anthropic-specific computer use tool.\n   */\n  tools: typeof anthropicTools;\n\n  /**\n   * @deprecated Use `embeddingModel` instead.\n   */\n  textEmbeddingModel(modelId: string): never;\n}\n\nexport interface AmazonBedrockAnthropicProviderSettings {\n  /**\n   * The AWS region to use for the Bedrock provider. Defaults to the value of the\n   * `AWS_REGION` environment variable.\n   */\n  region?: string;\n\n  /**\n   * API key for authenticating requests using Bearer token authentication.\n   * When provided, this will be used instead of AWS SigV4 authentication.\n   * Defaults to the value of the `AWS_BEARER_TOKEN_BEDROCK` environment variable.\n   */\n  apiKey?: string;\n\n  /**\n   * The AWS access key ID to use for the Bedrock provider. Defaults to the value of the\n   * `AWS_ACCESS_KEY_ID` environment variable.\n   */\n  accessKeyId?: string;\n\n  /**\n   * The AWS secret access key to use for the Bedrock provider. Defaults to the value of the\n   * `AWS_SECRET_ACCESS_KEY` environment variable.\n   */\n  secretAccessKey?: string;\n\n  /**\n   * The AWS session token to use for the Bedrock provider. Defaults to the value of the\n   * `AWS_SESSION_TOKEN` environment variable.\n   */\n  sessionToken?: string;\n\n  /**\n   * Base URL for the Bedrock API calls.\n   */\n  baseURL?: string;\n\n  /**\n   * Custom headers to include in the requests.\n   */\n  headers?: Resolvable<Record<string, string | undefined>>;\n\n  /**\n   * Custom fetch implementation. You can use it as a middleware to intercept requests,\n   * or to provide a custom fetch implementation for e.g. testing.\n   */\n  fetch?: FetchFunction;\n\n  /**\n   * The AWS credential provider to use for the Bedrock provider to get dynamic\n   * credentials similar to the AWS SDK. Setting a provider here will cause its\n   * credential values to be used instead of the `accessKeyId`, `secretAccessKey`,\n   * and `sessionToken` settings.\n   */\n  credentialProvider?: () => PromiseLike<\n    Omit<AmazonBedrockCredentials, 'region'>\n  >;\n}\n\n/**\n * Create an Amazon Bedrock Anthropic provider instance.\n * This provider uses the native Anthropic API through Bedrock's InvokeModel endpoint,\n * bypassing the Converse API for better feature compatibility.\n */\nexport function createAmazonBedrockAnthropic(\n  options: AmazonBedrockAnthropicProviderSettings = {},\n): AmazonBedrockAnthropicProvider {\n  // Check for API key authentication first\n  const rawApiKey = loadOptionalSetting({\n    settingValue: options.apiKey,\n    environmentVariableName: 'AWS_BEARER_TOKEN_BEDROCK',\n  });\n\n  // Only use API key if it's a non-empty, non-whitespace string\n  const apiKey =\n    rawApiKey && rawApiKey.trim().length > 0 ? rawApiKey.trim() : undefined;\n\n  // Use API key authentication if available, otherwise fall back to SigV4\n  const baseFetchFunction = apiKey\n    ? createApiKeyFetchFunction(apiKey, options.fetch)\n    : createSigV4FetchFunction(async () => {\n        const region = loadSetting({\n          settingValue: options.region,\n          settingName: 'region',\n          environmentVariableName: 'AWS_REGION',\n          description: 'AWS region',\n        });\n\n        // If a credential provider is provided, use it to get the credentials.\n        if (options.credentialProvider) {\n          try {\n            return {\n              ...(await options.credentialProvider()),\n              region,\n            };\n          } catch (error) {\n            const errorMessage =\n              error instanceof Error ? error.message : String(error);\n            throw new Error(\n              `AWS credential provider failed: ${errorMessage}. ` +\n                'Please ensure your credential provider returns valid AWS credentials ' +\n                'with accessKeyId and secretAccessKey properties.',\n            );\n          }\n        }\n\n        try {\n          return {\n            region,\n            accessKeyId: loadSetting({\n              settingValue: options.accessKeyId,\n              settingName: 'accessKeyId',\n              environmentVariableName: 'AWS_ACCESS_KEY_ID',\n              description: 'AWS access key ID',\n            }),\n            secretAccessKey: loadSetting({\n              settingValue: options.secretAccessKey,\n              settingName: 'secretAccessKey',\n              environmentVariableName: 'AWS_SECRET_ACCESS_KEY',\n              description: 'AWS secret access key',\n            }),\n            sessionToken: loadOptionalSetting({\n              settingValue: options.sessionToken,\n              environmentVariableName: 'AWS_SESSION_TOKEN',\n            }),\n          };\n        } catch (error) {\n          const errorMessage =\n            error instanceof Error ? error.message : String(error);\n          if (\n            errorMessage.includes('AWS_ACCESS_KEY_ID') ||\n            errorMessage.includes('accessKeyId')\n          ) {\n            throw new Error(\n              'AWS SigV4 authentication requires AWS credentials. Please provide either:\\n' +\n                '1. Set AWS_ACCESS_KEY_ID and AWS_SECRET_ACCESS_KEY environment variables\\n' +\n                '2. Provide accessKeyId and secretAccessKey in options\\n' +\n                '3. Use a credentialProvider function\\n' +\n                '4. Use API key authentication with AWS_BEARER_TOKEN_BEDROCK or apiKey option\\n' +\n                `Original error: ${errorMessage}`,\n            );\n          }\n          if (\n            errorMessage.includes('AWS_SECRET_ACCESS_KEY') ||\n            errorMessage.includes('secretAccessKey')\n          ) {\n            throw new Error(\n              'AWS SigV4 authentication requires both AWS_ACCESS_KEY_ID and AWS_SECRET_ACCESS_KEY. ' +\n                'Please ensure both credentials are provided.\\n' +\n                `Original error: ${errorMessage}`,\n            );\n          }\n          throw error;\n        }\n      }, options.fetch);\n\n  // Wrap with Bedrock event stream to SSE transformer for streaming support\n  const fetchFunction = createAmazonBedrockAnthropicFetch(baseFetchFunction);\n\n  const getBaseURL = (): string =>\n    withoutTrailingSlash(\n      options.baseURL ??\n        `https://bedrock-runtime.${loadSetting({\n          settingValue: options.region,\n          settingName: 'region',\n          environmentVariableName: 'AWS_REGION',\n          description: 'AWS region',\n        })}.amazonaws.com`,\n    ) ?? 'https://bedrock-runtime.us-east-1.amazonaws.com';\n\n  const getHeaders = async () => {\n    const baseHeaders = (await resolve(options.headers)) ?? {};\n    return withUserAgentSuffix(baseHeaders, `ai-sdk/amazon-bedrock/${VERSION}`);\n  };\n\n  const createChatModel = (modelId: AmazonBedrockAnthropicModelId) =>\n    new AnthropicLanguageModel(modelId, {\n      provider: 'bedrock.anthropic.messages',\n      baseURL: getBaseURL(),\n      headers: getHeaders,\n      fetch: fetchFunction,\n\n      buildRequestUrl: (baseURL, isStreaming) =>\n        `${baseURL}/model/${encodeURIComponent(modelId)}/${\n          isStreaming ? 'invoke-with-response-stream' : 'invoke'\n        }`,\n\n      transformRequestBody: (args, betas) => {\n        const {\n          model: _model,\n          stream: _stream,\n          tool_choice,\n          tools,\n          ...rest\n        } = args;\n\n        const transformedToolChoice =\n          tool_choice != null\n            ? {\n                type: tool_choice.type,\n                ...(tool_choice.name != null ? { name: tool_choice.name } : {}),\n              }\n            : undefined;\n\n        const requiredBetas = new Set<string>(betas);\n        const transformedTools = tools?.map((tool: Record<string, unknown>) => {\n          const toolType = tool.type as string | undefined;\n\n          if (toolType && toolType in BEDROCK_TOOL_VERSION_MAP) {\n            const newType =\n              BEDROCK_TOOL_VERSION_MAP[\n                toolType as keyof typeof BEDROCK_TOOL_VERSION_MAP\n              ];\n            if (newType in BEDROCK_TOOL_BETA_MAP) {\n              requiredBetas.add(BEDROCK_TOOL_BETA_MAP[newType]);\n            }\n            const newName =\n              newType in BEDROCK_TOOL_NAME_MAP\n                ? BEDROCK_TOOL_NAME_MAP[newType]\n                : tool.name;\n            return {\n              ...tool,\n              type: newType,\n              name: newName,\n            };\n          }\n\n          if (toolType && toolType in BEDROCK_TOOL_BETA_MAP) {\n            requiredBetas.add(BEDROCK_TOOL_BETA_MAP[toolType]);\n          }\n\n          if (toolType && toolType in BEDROCK_TOOL_NAME_MAP) {\n            return {\n              ...tool,\n              name: BEDROCK_TOOL_NAME_MAP[toolType],\n            };\n          }\n\n          return tool;\n        });\n\n        return {\n          ...rest,\n          ...(transformedTools != null ? { tools: transformedTools } : {}),\n          ...(transformedToolChoice != null\n            ? { tool_choice: transformedToolChoice }\n            : {}),\n          ...(requiredBetas.size > 0\n            ? { anthropic_beta: Array.from(requiredBetas) }\n            : {}),\n          anthropic_version: 'bedrock-2023-05-31',\n        };\n      },\n\n      // Bedrock Anthropic doesn't support URL sources, force download and base64 conversion\n      supportedUrls: () => ({}),\n      // native structured output via output_config.format is supported on Bedrock\n      // Bedrock rejects `output_config.format` for `claude-opus-4-7`, `claude-opus-4-8`, `claude-fable-5`, and `claude-sonnet-5`\n      supportsNativeStructuredOutput:\n        !modelId.includes('claude-opus-4-7') &&\n        !modelId.includes('claude-opus-4-8') &&\n        !modelId.includes('claude-fable-5') &&\n        !modelId.includes('claude-sonnet-5'),\n    });\n\n  const provider = function (modelId: AmazonBedrockAnthropicModelId) {\n    if (new.target) {\n      throw new Error(\n        'The Bedrock Anthropic model function cannot be called with the new keyword.',\n      );\n    }\n\n    return createChatModel(modelId);\n  };\n\n  provider.specificationVersion = 'v4' as const;\n  provider.languageModel = createChatModel;\n  provider.chat = createChatModel;\n  provider.messages = createChatModel;\n\n  provider.embeddingModel = (modelId: string) => {\n    throw new NoSuchModelError({ modelId, modelType: 'embeddingModel' });\n  };\n  provider.textEmbeddingModel = provider.embeddingModel;\n  provider.imageModel = (modelId: string) => {\n    throw new NoSuchModelError({ modelId, modelType: 'imageModel' });\n  };\n\n  provider.tools = anthropicTools;\n\n  return provider;\n}\n\n/**\n * Default Bedrock Anthropic provider instance.\n */\nexport const amazonBedrockAnthropic = createAmazonBedrockAnthropic();\n","import {\n  combineHeaders,\n  normalizeHeaders,\n  withUserAgentSuffix,\n  getRuntimeEnvironmentUserAgent,\n  type FetchFunction,\n} from '@ai-sdk/provider-utils';\nimport { AwsV4Signer } from 'aws4fetch';\nimport { VERSION } from './version';\n\nexport interface AmazonBedrockCredentials {\n  region: string;\n  accessKeyId: string;\n  secretAccessKey: string;\n  sessionToken?: string;\n}\n\n/**\n * Creates a fetch function that applies AWS Signature Version 4 signing.\n *\n * @param getCredentials - Function that returns the AWS credentials to use when signing.\n * @param fetch - Optional original fetch implementation to wrap. Defaults to global fetch.\n * @param service - The AWS service name to use for SigV4 signing scope. Defaults to 'bedrock'.\n * @returns A FetchFunction that signs requests before passing them to the underlying fetch.\n */\nexport function createSigV4FetchFunction(\n  getCredentials: () =>\n    | AmazonBedrockCredentials\n    | PromiseLike<AmazonBedrockCredentials>,\n  fetch?: FetchFunction,\n  service: string = 'bedrock',\n): FetchFunction {\n  return async (\n    input: RequestInfo | URL,\n    init?: RequestInit,\n  ): Promise<Response> => {\n    // avoid caching globalThis.fetch in case it is patched by other libraries\n    const effectiveFetch = fetch ?? globalThis.fetch;\n    const request = input instanceof Request ? input : undefined;\n    const originalHeaders = combineHeaders(\n      normalizeHeaders(request?.headers),\n      normalizeHeaders(init?.headers),\n    );\n    const headersWithUserAgent = withUserAgentSuffix(\n      originalHeaders,\n      `ai-sdk/amazon-bedrock/${VERSION}`,\n      getRuntimeEnvironmentUserAgent(),\n    );\n\n    let effectiveBody: BodyInit | undefined = init?.body ?? undefined;\n    if (effectiveBody === undefined && request && request.body !== null) {\n      try {\n        effectiveBody = await request.clone().text();\n      } catch {}\n    }\n\n    const effectiveMethod = init?.method ?? request?.method;\n\n    if (effectiveMethod?.toUpperCase() !== 'POST' || !effectiveBody) {\n      return effectiveFetch(input, {\n        ...init,\n        headers: headersWithUserAgent as HeadersInit,\n      });\n    }\n\n    const url =\n      typeof input === 'string'\n        ? input\n        : input instanceof URL\n          ? input.href\n          : input.url;\n\n    const body = prepareBodyString(effectiveBody);\n    const credentials = await getCredentials();\n    const signer = new AwsV4Signer({\n      url,\n      method: 'POST',\n      headers: Object.entries(headersWithUserAgent),\n      body,\n      region: credentials.region,\n      accessKeyId: credentials.accessKeyId,\n      secretAccessKey: credentials.secretAccessKey,\n      sessionToken: credentials.sessionToken,\n      service,\n    });\n\n    const signingResult = await signer.sign();\n    const signedHeaders = normalizeHeaders(signingResult.headers);\n\n    // Use the combined headers directly as HeadersInit\n    const combinedHeaders = combineHeaders(headersWithUserAgent, signedHeaders);\n\n    return effectiveFetch(input, {\n      ...init,\n      body,\n      headers: combinedHeaders as HeadersInit,\n    });\n  };\n}\n\nfunction prepareBodyString(body: BodyInit | undefined): string {\n  if (typeof body === 'string') {\n    return body;\n  } else if (body instanceof Uint8Array) {\n    return new TextDecoder().decode(body);\n  } else if (body instanceof ArrayBuffer) {\n    return new TextDecoder().decode(new Uint8Array(body));\n  } else {\n    return JSON.stringify(body);\n  }\n}\n\n/**\n * Creates a fetch function that applies Bearer token authentication.\n *\n * @param apiKey - The API key to use for Bearer token authentication.\n * @param fetch - Optional original fetch implementation to wrap. Defaults to global fetch.\n * @returns A FetchFunction that adds Authorization header with Bearer token to requests.\n */\nexport function createApiKeyFetchFunction(\n  apiKey: string,\n  fetch?: FetchFunction,\n): FetchFunction {\n  return async (\n    input: RequestInfo | URL,\n    init?: RequestInit,\n  ): Promise<Response> => {\n    // avoid caching globalThis.fetch in case it is patched by other libraries\n    const effectiveFetch = fetch ?? globalThis.fetch;\n    const originalHeaders = normalizeHeaders(init?.headers);\n    const headersWithUserAgent = withUserAgentSuffix(\n      originalHeaders,\n      `ai-sdk/amazon-bedrock/${VERSION}`,\n      getRuntimeEnvironmentUserAgent(),\n    );\n\n    const finalHeaders = combineHeaders(headersWithUserAgent, {\n      Authorization: `Bearer ${apiKey}`,\n    });\n\n    return effectiveFetch(input, {\n      ...init,\n      headers: finalHeaders as HeadersInit,\n    });\n  };\n}\n","// Version string of this package injected at build time.\ndeclare const __PACKAGE_VERSION__: string | undefined;\nexport const VERSION: string =\n  typeof __PACKAGE_VERSION__ !== 'undefined'\n    ? __PACKAGE_VERSION__\n    : '0.0.0-test';\n","import {\n  convertBase64ToUint8Array,\n  safeParseJSON,\n  type FetchFunction,\n} from '@ai-sdk/provider-utils';\nimport { z } from 'zod/v4';\nimport { createAmazonBedrockEventStreamDecoder } from '../amazon-bedrock-event-stream-decoder';\n\nconst amazonBedrockErrorSchema = z.looseObject({\n  message: z.string().optional(),\n});\n\nexport function createAmazonBedrockAnthropicFetch(\n  baseFetch: FetchFunction,\n): FetchFunction {\n  return async (url, options) => {\n    const response = await baseFetch(url, options);\n\n    // Transform Bedrock error responses into Anthropic error format\n    // so that anthropicFailedResponseHandler can extract the message.\n    if (!response.ok) {\n      const text = await response.text();\n      const parsed = await safeParseJSON({\n        text,\n        schema: amazonBedrockErrorSchema,\n      });\n\n      const message =\n        parsed.success && parsed.value.message ? parsed.value.message : text;\n\n      const anthropicError = JSON.stringify({\n        type: 'error',\n        error: { type: 'error', message },\n      });\n\n      return new Response(anthropicError, {\n        status: response.status,\n        statusText: response.statusText,\n        headers: response.headers,\n      });\n    }\n\n    const contentType = response.headers.get('content-type');\n    if (\n      contentType?.includes('application/vnd.amazon.eventstream') &&\n      response.body != null\n    ) {\n      const transformedBody = transformAmazonBedrockEventStreamToSSE(\n        response.body,\n      );\n\n      return new Response(transformedBody, {\n        status: response.status,\n        statusText: response.statusText,\n        headers: new Headers({\n          ...Object.fromEntries(response.headers.entries()),\n          'content-type': 'text/event-stream',\n        }),\n      });\n    }\n\n    return response;\n  };\n}\n\nfunction transformAmazonBedrockEventStreamToSSE(\n  body: ReadableStream<Uint8Array>,\n): ReadableStream<Uint8Array> {\n  const textEncoder = new TextEncoder();\n\n  return createAmazonBedrockEventStreamDecoder(\n    body,\n    async (event, controller) => {\n      if (event.messageType === 'event') {\n        if (event.eventType === 'chunk') {\n          const parsed = await safeParseJSON({ text: event.data });\n          if (!parsed.success) {\n            controller.enqueue(textEncoder.encode(`data: ${event.data}\\n\\n`));\n            return;\n          }\n          const bytes = (parsed.value as { bytes?: string }).bytes;\n          if (bytes) {\n            const anthropicEvent = new TextDecoder().decode(\n              convertBase64ToUint8Array(bytes),\n            );\n            controller.enqueue(\n              textEncoder.encode(`data: ${anthropicEvent}\\n\\n`),\n            );\n          } else {\n            controller.enqueue(textEncoder.encode(`data: ${event.data}\\n\\n`));\n          }\n        } else if (event.eventType === 'messageStop') {\n          controller.enqueue(textEncoder.encode('data: [DONE]\\n\\n'));\n        }\n      } else if (event.messageType === 'exception') {\n        controller.enqueue(\n          textEncoder.encode(\n            `data: ${JSON.stringify({ type: 'error', error: event.data })}\\n\\n`,\n          ),\n        );\n      }\n    },\n  );\n}\n","import { EventStreamCodec } from '@smithy/eventstream-codec';\nimport { toUtf8, fromUtf8 } from '@smithy/util-utf8';\n\nexport interface DecodedEvent {\n  messageType: string;\n  eventType: string;\n  data: string;\n}\n\nexport function createAmazonBedrockEventStreamDecoder<T>(\n  body: ReadableStream<Uint8Array>,\n  processEvent: (\n    event: DecodedEvent,\n    controller: TransformStreamDefaultController<T>,\n  ) => void | Promise<void>,\n): ReadableStream<T> {\n  const codec = new EventStreamCodec(toUtf8, fromUtf8);\n  let buffer = new Uint8Array(0);\n  const textDecoder = new TextDecoder();\n\n  return body.pipeThrough(\n    new TransformStream<Uint8Array, T>({\n      async transform(chunk, controller) {\n        const newBuffer = new Uint8Array(buffer.length + chunk.length);\n        newBuffer.set(buffer);\n        newBuffer.set(chunk, buffer.length);\n        buffer = newBuffer;\n\n        while (buffer.length >= 4) {\n          const totalLength = new DataView(\n            buffer.buffer,\n            buffer.byteOffset,\n            buffer.byteLength,\n          ).getUint32(0, false);\n\n          if (buffer.length < totalLength) {\n            break;\n          }\n\n          try {\n            const subView = buffer.subarray(0, totalLength);\n            const decoded = codec.decode(subView);\n\n            buffer = buffer.slice(totalLength);\n\n            const messageType = decoded.headers[':message-type']\n              ?.value as string;\n            const eventType = decoded.headers[':event-type']?.value as string;\n            const data = textDecoder.decode(decoded.body);\n\n            await processEvent({ messageType, eventType, data }, controller);\n          } catch {\n            break;\n          }\n        }\n      },\n    }),\n  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Defaults to the value of the\n   * `AWS_REGION` environment variable.\n   */\n  region?: string;\n\n  /**\n   * API key for authenticating requests using Bearer token authentication.\n   * When provided, this will be used instead of AWS SigV4 authentication.\n   * Defaults to the value of the `AWS_BEARER_TOKEN_BEDROCK` environment variable.\n   */\n  apiKey?: string;\n\n  /**\n   * The AWS access key ID to use for the Bedrock provider. Defaults to the value of the\n   * `AWS_ACCESS_KEY_ID` environment variable.\n   */\n  accessKeyId?: string;\n\n  /**\n   * The AWS secret access key to use for the Bedrock provider. Defaults to the value of the\n   * `AWS_SECRET_ACCESS_KEY` environment variable.\n   */\n  secretAccessKey?: string;\n\n  /**\n   * The AWS session token to use for the Bedrock provider. Defaults to the value of the\n   * `AWS_SESSION_TOKEN` environment variable.\n   */\n  sessionToken?: string;\n\n  /**\n   * Base URL for the Bedrock API calls.\n   */\n  baseURL?: string;\n\n  /**\n   * Custom headers to include in the requests.\n   */\n  headers?: Resolvable<Record<string, string | undefined>>;\n\n  /**\n   * Custom fetch implementation. You can use it as a middleware to intercept requests,\n   * or to provide a custom fetch implementation for e.g. testing.\n   */\n  fetch?: FetchFunction;\n\n  /**\n   * The AWS credential provider to use for the Bedrock provider to get dynamic\n   * credentials similar to the AWS SDK. Setting a provider here will cause its\n   * credential values to be used instead of the `accessKeyId`, `secretAccessKey`,\n   * and `sessionToken` settings.\n   */\n  credentialProvider?: () => PromiseLike<\n    Omit<AmazonBedrockCredentials, 'region'>\n  >;\n}\n\n/**\n * Create an Amazon Bedrock Anthropic provider instance.\n * This provider uses the native Anthropic API through Bedrock's InvokeModel endpoint,\n * bypassing the Converse API for better feature compatibility.\n */\nexport function createAmazonBedrockAnthropic(\n  options: AmazonBedrockAnthropicProviderSettings = {},\n): AmazonBedrockAnthropicProvider {\n  // Check for API key authentication first\n  const rawApiKey = loadOptionalSetting({\n    settingValue: options.apiKey,\n    environmentVariableName: 'AWS_BEARER_TOKEN_BEDROCK',\n  });\n\n  // Only use API key if it's a non-empty, non-whitespace string\n  const apiKey =\n    rawApiKey && rawApiKey.trim().length > 0 ? rawApiKey.trim() : undefined;\n\n  // Use API key authentication if available, otherwise fall back to SigV4\n  const baseFetchFunction = apiKey\n    ? createApiKeyFetchFunction(apiKey, options.fetch)\n    : createSigV4FetchFunction(async () => {\n        const region = loadSetting({\n          settingValue: options.region,\n          settingName: 'region',\n          environmentVariableName: 'AWS_REGION',\n          description: 'AWS region',\n        });\n\n        // If a credential provider is provided, use it to get the credentials.\n        if (options.credentialProvider) {\n          try {\n            return {\n              ...(await options.credentialProvider()),\n              region,\n            };\n          } catch (error) {\n            const errorMessage =\n              error instanceof Error ? error.message : String(error);\n            throw new Error(\n              `AWS credential provider failed: ${errorMessage}. ` +\n                'Please ensure your credential provider returns valid AWS credentials ' +\n                'with accessKeyId and secretAccessKey properties.',\n            );\n          }\n        }\n\n        try {\n          return {\n            region,\n            accessKeyId: loadSetting({\n              settingValue: options.accessKeyId,\n              settingName: 'accessKeyId',\n              environmentVariableName: 'AWS_ACCESS_KEY_ID',\n              description: 'AWS access key ID',\n            }),\n            secretAccessKey: loadSetting({\n              settingValue: options.secretAccessKey,\n              settingName: 'secretAccessKey',\n              environmentVariableName: 'AWS_SECRET_ACCESS_KEY',\n              description: 'AWS secret access key',\n            }),\n            sessionToken: loadOptionalSetting({\n              settingValue: options.sessionToken,\n              environmentVariableName: 'AWS_SESSION_TOKEN',\n            }),\n          };\n        } catch (error) {\n          const errorMessage =\n            error instanceof Error ? error.message : String(error);\n          if (\n            errorMessage.includes('AWS_ACCESS_KEY_ID') ||\n            errorMessage.includes('accessKeyId')\n          ) {\n            throw new Error(\n              'AWS SigV4 authentication requires AWS credentials. Please provide either:\\n' +\n                '1. Set AWS_ACCESS_KEY_ID and AWS_SECRET_ACCESS_KEY environment variables\\n' +\n                '2. Provide accessKeyId and secretAccessKey in options\\n' +\n                '3. Use a credentialProvider function\\n' +\n                '4. Use API key authentication with AWS_BEARER_TOKEN_BEDROCK or apiKey option\\n' +\n                `Original error: ${errorMessage}`,\n            );\n          }\n          if (\n            errorMessage.includes('AWS_SECRET_ACCESS_KEY') ||\n            errorMessage.includes('secretAccessKey')\n          ) {\n            throw new Error(\n              'AWS SigV4 authentication requires both AWS_ACCESS_KEY_ID and AWS_SECRET_ACCESS_KEY. ' +\n                'Please ensure both credentials are provided.\\n' +\n                `Original error: ${errorMessage}`,\n            );\n          }\n          throw error;\n        }\n      }, options.fetch);\n\n  // Wrap with Bedrock event stream to SSE transformer for streaming support\n  const fetchFunction = createAmazonBedrockAnthropicFetch(baseFetchFunction);\n\n  const getBaseURL = (): string =>\n    withoutTrailingSlash(\n      options.baseURL ??\n        `https://bedrock-runtime.${loadSetting({\n          settingValue: options.region,\n          settingName: 'region',\n          environmentVariableName: 'AWS_REGION',\n          description: 'AWS region',\n        })}.amazonaws.com`,\n    ) ?? 'https://bedrock-runtime.us-east-1.amazonaws.com';\n\n  const getHeaders = async () => {\n    const baseHeaders = (await resolve(options.headers)) ?? {};\n    return withUserAgentSuffix(baseHeaders, `ai-sdk/amazon-bedrock/${VERSION}`);\n  };\n\n  const createChatModel = (modelId: AmazonBedrockAnthropicModelId) =>\n    new AnthropicLanguageModel(modelId, {\n      provider: 'bedrock.anthropic.messages',\n      baseURL: getBaseURL(),\n      headers: getHeaders,\n      fetch: fetchFunction,\n\n      buildRequestUrl: (baseURL, isStreaming) =>\n        `${baseURL}/model/${encodeURIComponent(modelId)}/${\n          isStreaming ? 'invoke-with-response-stream' : 'invoke'\n        }`,\n\n      transformRequestBody: (args, betas) => {\n        const {\n          model: _model,\n          stream: _stream,\n          tool_choice,\n          tools,\n          ...rest\n        } = args;\n\n        const transformedToolChoice =\n          tool_choice != null\n            ? {\n                type: tool_choice.type,\n                ...(tool_choice.name != null ? { name: tool_choice.name } : {}),\n              }\n            : undefined;\n\n        const requiredBetas = new Set<string>(betas);\n        const transformedTools = tools?.map(\n          (rawTool: Record<string, unknown>) => {\n            // Bedrock rejects the per-tool eager_input_streaming field even when\n            // the fine-grained-tool-streaming beta is declared, but the beta alone\n            // enables the same behavior, so translate the field into the beta\n            const { eager_input_streaming: eagerInputStreaming, ...tool } =\n              rawTool;\n            if (eagerInputStreaming === true) {\n              requiredBetas.add('fine-grained-tool-streaming-2025-05-14');\n            }\n\n            const toolType = tool.type as string | undefined;\n\n            if (toolType && toolType in BEDROCK_TOOL_VERSION_MAP) {\n              const newType =\n                BEDROCK_TOOL_VERSION_MAP[\n                  toolType as keyof typeof BEDROCK_TOOL_VERSION_MAP\n                ];\n              if (newType in BEDROCK_TOOL_BETA_MAP) {\n                requiredBetas.add(BEDROCK_TOOL_BETA_MAP[newType]);\n              }\n              const newName =\n                newType in BEDROCK_TOOL_NAME_MAP\n                  ? BEDROCK_TOOL_NAME_MAP[newType]\n                  : tool.name;\n              return {\n                ...tool,\n                type: newType,\n                name: newName,\n              };\n            }\n\n            if (toolType && toolType in BEDROCK_TOOL_BETA_MAP) {\n              requiredBetas.add(BEDROCK_TOOL_BETA_MAP[toolType]);\n            }\n\n            if (toolType && toolType in BEDROCK_TOOL_NAME_MAP) {\n              return {\n                ...tool,\n                name: BEDROCK_TOOL_NAME_MAP[toolType],\n              };\n            }\n\n            return tool;\n          },\n        );\n\n        return {\n          ...rest,\n          ...(transformedTools != null ? { tools: transformedTools } : {}),\n          ...(transformedToolChoice != null\n            ? { tool_choice: transformedToolChoice }\n            : {}),\n          ...(requiredBetas.size > 0\n            ? { anthropic_beta: Array.from(requiredBetas) }\n            : {}),\n          anthropic_version: 'bedrock-2023-05-31',\n        };\n      },\n\n      // Bedrock Anthropic doesn't support URL sources, force download and base64 conversion\n      supportedUrls: () => ({}),\n      // native structured output via output_config.format is supported on Bedrock\n      // Bedrock rejects `output_config.format` for `claude-opus-4-7`, `claude-opus-4-8`, `claude-fable-5`, and `claude-sonnet-5`\n      supportsNativeStructuredOutput:\n        !modelId.includes('claude-opus-4-7') &&\n        !modelId.includes('claude-opus-4-8') &&\n        !modelId.includes('claude-fable-5') &&\n        !modelId.includes('claude-sonnet-5'),\n    });\n\n  const provider = function (modelId: AmazonBedrockAnthropicModelId) {\n    if (new.target) {\n      throw new Error(\n        'The Bedrock Anthropic model function cannot be called with the new keyword.',\n      );\n    }\n\n    return createChatModel(modelId);\n  };\n\n  provider.specificationVersion = 'v4' as const;\n  provider.languageModel = createChatModel;\n  provider.chat = createChatModel;\n  provider.messages = createChatModel;\n\n  provider.embeddingModel = (modelId: string) => {\n    throw new NoSuchModelError({ modelId, modelType: 'embeddingModel' });\n  };\n  provider.textEmbeddingModel = provider.embeddingModel;\n  provider.imageModel = (modelId: string) => {\n    throw new NoSuchModelError({ modelId, modelType: 'imageModel' });\n  };\n\n  provider.tools = anthropicTools;\n\n  return provider;\n}\n\n/**\n * Default Bedrock Anthropic provider instance.\n */\nexport const amazonBedrockAnthropic = createAmazonBedrockAnthropic();\n","import {\n  combineHeaders,\n  normalizeHeaders,\n  withUserAgentSuffix,\n  getRuntimeEnvironmentUserAgent,\n  type FetchFunction,\n} from '@ai-sdk/provider-utils';\nimport { AwsV4Signer } from 'aws4fetch';\nimport { VERSION } from './version';\n\nexport interface AmazonBedrockCredentials {\n  region: string;\n  accessKeyId: string;\n  secretAccessKey: string;\n  sessionToken?: string;\n}\n\n/**\n * Creates a fetch function that applies AWS Signature Version 4 signing.\n *\n * @param getCredentials - Function that returns the AWS credentials to use when signing.\n * @param fetch - Optional original fetch implementation to wrap. Defaults to global fetch.\n * @param service - The AWS service name to use for SigV4 signing scope. Defaults to 'bedrock'.\n * @returns A FetchFunction that signs requests before passing them to the underlying fetch.\n */\nexport function createSigV4FetchFunction(\n  getCredentials: () =>\n    | AmazonBedrockCredentials\n    | PromiseLike<AmazonBedrockCredentials>,\n  fetch?: FetchFunction,\n  service: string = 'bedrock',\n): FetchFunction {\n  return async (\n    input: RequestInfo | URL,\n    init?: RequestInit,\n  ): Promise<Response> => {\n    // avoid caching globalThis.fetch in case it is patched by other libraries\n    const effectiveFetch = fetch ?? globalThis.fetch;\n    const request = input instanceof Request ? input : undefined;\n    const originalHeaders = combineHeaders(\n      normalizeHeaders(request?.headers),\n      normalizeHeaders(init?.headers),\n    );\n    const headersWithUserAgent = withUserAgentSuffix(\n      originalHeaders,\n      `ai-sdk/amazon-bedrock/${VERSION}`,\n      getRuntimeEnvironmentUserAgent(),\n    );\n\n    let effectiveBody: BodyInit | undefined = init?.body ?? undefined;\n    if (effectiveBody === undefined && request && request.body !== null) {\n      try {\n        effectiveBody = await request.clone().text();\n      } catch {}\n    }\n\n    const effectiveMethod = init?.method ?? request?.method;\n\n    if (effectiveMethod?.toUpperCase() !== 'POST' || !effectiveBody) {\n      return effectiveFetch(input, {\n        ...init,\n        headers: headersWithUserAgent as HeadersInit,\n      });\n    }\n\n    const url =\n      typeof input === 'string'\n        ? input\n        : input instanceof URL\n          ? input.href\n          : input.url;\n\n    const body = prepareBodyString(effectiveBody);\n    const credentials = await getCredentials();\n    const signer = new AwsV4Signer({\n      url,\n      method: 'POST',\n      headers: Object.entries(headersWithUserAgent),\n      body,\n      region: credentials.region,\n      accessKeyId: credentials.accessKeyId,\n      secretAccessKey: credentials.secretAccessKey,\n      sessionToken: credentials.sessionToken,\n      service,\n    });\n\n    const signingResult = await signer.sign();\n    const signedHeaders = normalizeHeaders(signingResult.headers);\n\n    // Use the combined headers directly as HeadersInit\n    const combinedHeaders = combineHeaders(headersWithUserAgent, signedHeaders);\n\n    return effectiveFetch(input, {\n      ...init,\n      body,\n      headers: combinedHeaders as HeadersInit,\n    });\n  };\n}\n\nfunction prepareBodyString(body: BodyInit | undefined): string {\n  if (typeof body === 'string') {\n    return body;\n  } else if (body instanceof Uint8Array) {\n    return new TextDecoder().decode(body);\n  } else if (body instanceof ArrayBuffer) {\n    return new TextDecoder().decode(new Uint8Array(body));\n  } else {\n    return JSON.stringify(body);\n  }\n}\n\n/**\n * Creates a fetch function that applies Bearer token authentication.\n *\n * @param apiKey - The API key to use for Bearer token authentication.\n * @param fetch - Optional original fetch implementation to wrap. Defaults to global fetch.\n * @returns A FetchFunction that adds Authorization header with Bearer token to requests.\n */\nexport function createApiKeyFetchFunction(\n  apiKey: string,\n  fetch?: FetchFunction,\n): FetchFunction {\n  return async (\n    input: RequestInfo | URL,\n    init?: RequestInit,\n  ): Promise<Response> => {\n    // avoid caching globalThis.fetch in case it is patched by other libraries\n    const effectiveFetch = fetch ?? globalThis.fetch;\n    const originalHeaders = normalizeHeaders(init?.headers);\n    const headersWithUserAgent = withUserAgentSuffix(\n      originalHeaders,\n      `ai-sdk/amazon-bedrock/${VERSION}`,\n      getRuntimeEnvironmentUserAgent(),\n    );\n\n    const finalHeaders = combineHeaders(headersWithUserAgent, {\n      Authorization: `Bearer ${apiKey}`,\n    });\n\n    return effectiveFetch(input, {\n      ...init,\n      headers: finalHeaders as HeadersInit,\n    });\n  };\n}\n","// Version string of this package injected at build time.\ndeclare const __PACKAGE_VERSION__: string | undefined;\nexport const VERSION: string =\n  typeof __PACKAGE_VERSION__ !== 'undefined'\n    ? __PACKAGE_VERSION__\n    : '0.0.0-test';\n","import {\n  convertBase64ToUint8Array,\n  safeParseJSON,\n  type FetchFunction,\n} from '@ai-sdk/provider-utils';\nimport { z } from 'zod/v4';\nimport { createAmazonBedrockEventStreamDecoder } from '../amazon-bedrock-event-stream-decoder';\n\nconst amazonBedrockErrorSchema = z.looseObject({\n  message: z.string().optional(),\n});\n\nexport function createAmazonBedrockAnthropicFetch(\n  baseFetch: FetchFunction,\n): FetchFunction {\n  return async (url, options) => {\n    const response = await baseFetch(url, options);\n\n    // Transform Bedrock error responses into Anthropic error format\n    // so that anthropicFailedResponseHandler can extract the message.\n    if (!response.ok) {\n      const text = await response.text();\n      const parsed = await safeParseJSON({\n        text,\n        schema: amazonBedrockErrorSchema,\n      });\n\n      const message =\n        parsed.success && parsed.value.message ? parsed.value.message : text;\n\n      const anthropicError = JSON.stringify({\n        type: 'error',\n        error: { type: 'error', message },\n      });\n\n      return new Response(anthropicError, {\n        status: response.status,\n        statusText: response.statusText,\n        headers: response.headers,\n      });\n    }\n\n    const contentType = response.headers.get('content-type');\n    if (\n      contentType?.includes('application/vnd.amazon.eventstream') &&\n      response.body != null\n    ) {\n      const transformedBody = transformAmazonBedrockEventStreamToSSE(\n        response.body,\n      );\n\n      return new Response(transformedBody, {\n        status: response.status,\n        statusText: response.statusText,\n        headers: new Headers({\n          ...Object.fromEntries(response.headers.entries()),\n          'content-type': 'text/event-stream',\n        }),\n      });\n    }\n\n    return response;\n  };\n}\n\nfunction transformAmazonBedrockEventStreamToSSE(\n  body: ReadableStream<Uint8Array>,\n): ReadableStream<Uint8Array> {\n  const textEncoder = new TextEncoder();\n\n  return createAmazonBedrockEventStreamDecoder(\n    body,\n    async (event, controller) => {\n      if (event.messageType === 'event') {\n        if (event.eventType === 'chunk') {\n          const parsed = await safeParseJSON({ text: event.data });\n          if (!parsed.success) {\n            controller.enqueue(textEncoder.encode(`data: ${event.data}\\n\\n`));\n            return;\n          }\n          const bytes = (parsed.value as { bytes?: string }).bytes;\n          if (bytes) {\n            const anthropicEvent = new TextDecoder().decode(\n              convertBase64ToUint8Array(bytes),\n            );\n            controller.enqueue(\n              textEncoder.encode(`data: ${anthropicEvent}\\n\\n`),\n            );\n          } else {\n            controller.enqueue(textEncoder.encode(`data: ${event.data}\\n\\n`));\n          }\n        } else if (event.eventType === 'messageStop') {\n          controller.enqueue(textEncoder.encode('data: [DONE]\\n\\n'));\n        }\n      } else if (event.messageType === 'exception') {\n        controller.enqueue(\n          textEncoder.encode(\n            `data: ${JSON.stringify({ type: 'error', error: event.data })}\\n\\n`,\n          ),\n        );\n      }\n    },\n  );\n}\n","import { EventStreamCodec } from '@smithy/eventstream-codec';\nimport { toUtf8, fromUtf8 } from '@smithy/util-utf8';\n\nexport interface DecodedEvent {\n  messageType: string;\n  eventType: string;\n  data: string;\n}\n\nexport function createAmazonBedrockEventStreamDecoder<T>(\n  body: ReadableStream<Uint8Array>,\n  processEvent: (\n    event: DecodedEvent,\n    controller: TransformStreamDefaultController<T>,\n  ) => void | Promise<void>,\n): ReadableStream<T> {\n  const codec = new EventStreamCodec(toUtf8, fromUtf8);\n  let buffer = new Uint8Array(0);\n  const textDecoder = new TextDecoder();\n\n  return body.pipeThrough(\n    new TransformStream<Uint8Array, T>({\n      async transform(chunk, controller) {\n        const newBuffer = new Uint8Array(buffer.length + chunk.length);\n        newBuffer.set(buffer);\n        newBuffer.set(chunk, buffer.length);\n        buffer = newBuffer;\n\n        while (buffer.length >= 4) {\n          const totalLength = new DataView(\n            buffer.buffer,\n            buffer.byteOffset,\n            buffer.byteLength,\n          ).getUint32(0, false);\n\n          if (buffer.length < totalLength) {\n            break;\n          }\n\n          try {\n            const subView = buffer.subarray(0, totalLength);\n            const decoded = codec.decode(subView);\n\n            buffer = buffer.slice(totalLength);\n\n            const messageType = decoded.headers[':message-type']\n              ?.value as string;\n            const eventType = decoded.headers[':event-type']?.value as string;\n            const data = textDecoder.decode(decoded.body);\n\n            await processEvent({ messageType, eventType, data }, controller);\n          } catch {\n            break;\n          }\n        }\n      },\n    }),\n  );\n}\n"],"mappings":";AAAA;AAAA,EACE;AAAA,OAGK;AACP;AAAA,EACE;AAAA,EACA;AAAA,EACA;AAAA,EACA;AAAA,EACA,uBAAAA;AAAA,OAGK;AACP;AAAA,EACE;AAAA,EACA;AAAA,OACK;;;ACjBP;AAAA,EACE;AAAA,EACA;AAAA,EACA;AAAA,EACA;AAAA,OAEK;AACP,SAAS,mBAAmB;;;ACLrB,IAAM,UACX,OACI,WACA;;;ADoBC,SAAS,yBACd,gBAGA,OACA,UAAkB,WACH;AACf,SAAO,OACL,OACA,SACsB;AAnC1B;AAqCI,UAAM,iBAAiB,wBAAS,WAAW;AAC3C,UAAM,UAAU,iBAAiB,UAAU,QAAQ;AACnD,UAAM,kBAAkB;AAAA,MACtB,iBAAiB,mCAAS,OAAO;AAAA,MACjC,iBAAiB,6BAAM,OAAO;AAAA,IAChC;AACA,UAAM,uBAAuB;AAAA,MAC3B;AAAA,MACA,yBAAyB,OAAO;AAAA,MAChC,+BAA+B;AAAA,IACjC;AAEA,QAAI,iBAAsC,kCAAM,SAAN,YAAc;AACxD,QAAI,kBAAkB,UAAa,WAAW,QAAQ,SAAS,MAAM;AACnE,UAAI;AACF,wBAAgB,MAAM,QAAQ,MAAM,EAAE,KAAK;AAAA,MAC7C,SAAQ;AAAA,MAAC;AAAA,IACX;AAEA,UAAM,mBAAkB,kCAAM,WAAN,YAAgB,mCAAS;AAEjD,SAAI,mDAAiB,mBAAkB,UAAU,CAAC,eAAe;AAC/D,aAAO,eAAe,OAAO;AAAA,QAC3B,GAAG;AAAA,QACH,SAAS;AAAA,MACX,CAAC;AAAA,IACH;AAEA,UAAM,MACJ,OAAO,UAAU,WACb,QACA,iBAAiB,MACf,MAAM,OACN,MAAM;AAEd,UAAM,OAAO,kBAAkB,aAAa;AAC5C,UAAM,cAAc,MAAM,eAAe;AACzC,UAAM,SAAS,IAAI,YAAY;AAAA,MAC7B;AAAA,MACA,QAAQ;AAAA,MACR,SAAS,OAAO,QAAQ,oBAAoB;AAAA,MAC5C;AAAA,MACA,QAAQ,YAAY;AAAA,MACpB,aAAa,YAAY;AAAA,MACzB,iBAAiB,YAAY;AAAA,MAC7B,cAAc,YAAY;AAAA,MAC1B;AAAA,IACF,CAAC;AAED,UAAM,gBAAgB,MAAM,OAAO,KAAK;AACxC,UAAM,gBAAgB,iBAAiB,cAAc,OAAO;AAG5D,UAAM,kBAAkB,eAAe,sBAAsB,aAAa;AAE1E,WAAO,eAAe,OAAO;AAAA,MAC3B,GAAG;AAAA,MACH;AAAA,MACA,SAAS;AAAA,IACX,CAAC;AAAA,EACH;AACF;AAEA,SAAS,kBAAkB,MAAoC;AAC7D,MAAI,OAAO,SAAS,UAAU;AAC5B,WAAO;AAAA,EACT,WAAW,gBAAgB,YAAY;AACrC,WAAO,IAAI,YAAY,EAAE,OAAO,IAAI;AAAA,EACtC,WAAW,gBAAgB,aAAa;AACtC,WAAO,IAAI,YAAY,EAAE,OAAO,IAAI,WAAW,IAAI,CAAC;AAAA,EACtD,OAAO;AACL,WAAO,KAAK,UAAU,IAAI;AAAA,EAC5B;AACF;AASO,SAAS,0BACd,QACA,OACe;AACf,SAAO,OACL,OACA,SACsB;AAEtB,UAAM,iBAAiB,wBAAS,WAAW;AAC3C,UAAM,kBAAkB,iBAAiB,6BAAM,OAAO;AACtD,UAAM,uBAAuB;AAAA,MAC3B;AAAA,MACA,yBAAyB,OAAO;AAAA,MAChC,+BAA+B;AAAA,IACjC;AAEA,UAAM,eAAe,eAAe,sBAAsB;AAAA,MACxD,eAAe,UAAU,MAAM;AAAA,IACjC,CAAC;AAED,WAAO,eAAe,OAAO;AAAA,MAC3B,GAAG;AAAA,MACH,SAAS;AAAA,IACX,CAAC;AAAA,EACH;AACF;;;AEjJA;AAAA,EACE;AAAA,EACA;AAAA,OAEK;AACP,SAAS,SAAS;;;ACLlB,SAAS,wBAAwB;AACjC,SAAS,QAAQ,gBAAgB;AAQ1B,SAAS,sCACd,MACA,cAImB;AACnB,QAAM,QAAQ,IAAI,iBAAiB,QAAQ,QAAQ;AACnD,MAAI,SAAS,IAAI,WAAW,CAAC;AAC7B,QAAM,cAAc,IAAI,YAAY;AAEpC,SAAO,KAAK;AAAA,IACV,IAAI,gBAA+B;AAAA,MACjC,MAAM,UAAU,OAAO,YAAY;AAtBzC;AAuBQ,cAAM,YAAY,IAAI,WAAW,OAAO,SAAS,MAAM,MAAM;AAC7D,kBAAU,IAAI,MAAM;AACpB,kBAAU,IAAI,OAAO,OAAO,MAAM;AAClC,iBAAS;AAET,eAAO,OAAO,UAAU,GAAG;AACzB,gBAAM,cAAc,IAAI;AAAA,YACtB,OAAO;AAAA,YACP,OAAO;AAAA,YACP,OAAO;AAAA,UACT,EAAE,UAAU,GAAG,KAAK;AAEpB,cAAI,OAAO,SAAS,aAAa;AAC/B;AAAA,UACF;AAEA,cAAI;AACF,kBAAM,UAAU,OAAO,SAAS,GAAG,WAAW;AAC9C,kBAAM,UAAU,MAAM,OAAO,OAAO;AAEpC,qBAAS,OAAO,MAAM,WAAW;AAEjC,kBAAM,eAAc,aAAQ,QAAQ,eAAe,MAA/B,mBAChB;AACJ,kBAAM,aAAY,aAAQ,QAAQ,aAAa,MAA7B,mBAAgC;AAClD,kBAAM,OAAO,YAAY,OAAO,QAAQ,IAAI;AAE5C,kBAAM,aAAa,EAAE,aAAa,WAAW,KAAK,GAAG,UAAU;AAAA,UACjE,SAAQ;AACN;AAAA,UACF;AAAA,QACF;AAAA,MACF;AAAA,IACF,CAAC;AAAA,EACH;AACF;;;ADlDA,IAAM,2BAA2B,EAAE,YAAY;AAAA,EAC7C,SAAS,EAAE,OAAO,EAAE,SAAS;AAC/B,CAAC;AAEM,SAAS,kCACd,WACe;AACf,SAAO,OAAO,KAAK,YAAY;AAC7B,UAAM,WAAW,MAAM,UAAU,KAAK,OAAO;AAI7C,QAAI,CAAC,SAAS,IAAI;AAChB,YAAM,OAAO,MAAM,SAAS,KAAK;AACjC,YAAM,SAAS,MAAM,cAAc;AAAA,QACjC;AAAA,QACA,QAAQ;AAAA,MACV,CAAC;AAED,YAAM,UACJ,OAAO,WAAW,OAAO,MAAM,UAAU,OAAO,MAAM,UAAU;AAElE,YAAM,iBAAiB,KAAK,UAAU;AAAA,QACpC,MAAM;AAAA,QACN,OAAO,EAAE,MAAM,SAAS,QAAQ;AAAA,MAClC,CAAC;AAED,aAAO,IAAI,SAAS,gBAAgB;AAAA,QAClC,QAAQ,SAAS;AAAA,QACjB,YAAY,SAAS;AAAA,QACrB,SAAS,SAAS;AAAA,MACpB,CAAC;AAAA,IACH;AAEA,UAAM,cAAc,SAAS,QAAQ,IAAI,cAAc;AACvD,SACE,2CAAa,SAAS,0CACtB,SAAS,QAAQ,MACjB;AACA,YAAM,kBAAkB;AAAA,QACtB,SAAS;AAAA,MACX;AAEA,aAAO,IAAI,SAAS,iBAAiB;AAAA,QACnC,QAAQ,SAAS;AAAA,QACjB,YAAY,SAAS;AAAA,QACrB,SAAS,IAAI,QAAQ;AAAA,UACnB,GAAG,OAAO,YAAY,SAAS,QAAQ,QAAQ,CAAC;AAAA,UAChD,gBAAgB;AAAA,QAClB,CAAC;AAAA,MACH,CAAC;AAAA,IACH;AAEA,WAAO;AAAA,EACT;AACF;AAEA,SAAS,uCACP,MAC4B;AAC5B,QAAM,cAAc,IAAI,YAAY;AAEpC,SAAO;AAAA,IACL;AAAA,IACA,OAAO,OAAO,eAAe;AAC3B,UAAI,MAAM,gBAAgB,SAAS;AACjC,YAAI,MAAM,cAAc,SAAS;AAC/B,gBAAM,SAAS,MAAM,cAAc,EAAE,MAAM,MAAM,KAAK,CAAC;AACvD,cAAI,CAAC,OAAO,SAAS;AACnB,uBAAW,QAAQ,YAAY,OAAO,SAAS,MAAM,IAAI;AAAA;AAAA,CAAM,CAAC;AAChE;AAAA,UACF;AACA,gBAAM,QAAS,OAAO,MAA6B;AACnD,cAAI,OAAO;AACT,kBAAM,iBAAiB,IAAI,YAAY,EAAE;AAAA,cACvC,0BAA0B,KAAK;AAAA,YACjC;AACA,uBAAW;AAAA,cACT,YAAY,OAAO,SAAS,cAAc;AAAA;AAAA,CAAM;AAAA,YAClD;AAAA,UACF,OAAO;AACL,uBAAW,QAAQ,YAAY,OAAO,SAAS,MAAM,IAAI;AAAA;AAAA,CAAM,CAAC;AAAA,UAClE;AAAA,QACF,WAAW,MAAM,cAAc,eAAe;AAC5C,qBAAW,QAAQ,YAAY,OAAO,kBAAkB,CAAC;AAAA,QAC3D;AAAA,MACF,WAAW,MAAM,gBAAgB,aAAa;AAC5C,mBAAW;AAAA,UACT,YAAY;AAAA,YACV,SAAS,KAAK,UAAU,EAAE,MAAM,SAAS,OAAO,MAAM,KAAK,CAAC,CAAC;AAAA;AAAA;AAAA,UAC/D;AAAA,QACF;AAAA,MACF;AAAA,IACF;AAAA,EACF;AACF;;;AH3EA,IAAM,2BAA2B;AAAA,EAC/B,eAAe;AAAA,EACf,sBAAsB;AAAA,EACtB,mBAAmB;AACrB;AAGA,IAAM,wBAAgD;AAAA,EACpD,sBAAsB;AACxB;AAGA,IAAM,wBAAgD;AAAA,EACpD,eAAe;AAAA,EACf,eAAe;AAAA,EACf,sBAAsB;AAAA,EACtB,sBAAsB;AAAA,EACtB,sBAAsB;AAAA,EACtB,sBAAsB;AAAA,EACtB,mBAAmB;AAAA,EACnB,mBAAmB;AAAA,EACnB,iCAAiC;AAAA;AAAA;AAAA,EAGjC,gCAAgC;AAClC;AAwFO,SAAS,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dist/mantle/index.cjs

@@ -38,3 +38,3 @@ "use strict";
 // src/version.ts
-var VERSION = true ? "5.0.19" : "0.0.0-test";
+var VERSION = true ? "5.0.20" : "0.0.0-test";
 
@@ -41,0 +41,0 @@ // src/amazon-bedrock-sigv4-fetch.ts

dist/mantle/index.js

@@ -26,3 +26,3 @@ // src/mantle/bedrock-mantle-provider.ts
 // src/version.ts
-var VERSION = true ? "5.0.19" : "0.0.0-test";
+var VERSION = true ? "5.0.20" : "0.0.0-test";
 
@@ -29,0 +29,0 @@ // src/amazon-bedrock-sigv4-fetch.ts

package.json

 {
   "name": "@ai-sdk/amazon-bedrock",
-  "version": "5.0.19",
+  "version": "5.0.20",
   "type": "module",
@@ -5,0 +5,0 @@ "license": "Apache-2.0",

src/anthropic/amazon-bedrock-anthropic-provider.ts

@@ -283,37 +283,48 @@ import {
         const requiredBetas = new Set<string>(betas);
-        const transformedTools = tools?.map((tool: Record<string, unknown>) => {
-          const toolType = tool.type as string | undefined;
+        const transformedTools = tools?.map(
+          (rawTool: Record<string, unknown>) => {
+            // Bedrock rejects the per-tool eager_input_streaming field even when
+            // the fine-grained-tool-streaming beta is declared, but the beta alone
+            // enables the same behavior, so translate the field into the beta
+            const { eager_input_streaming: eagerInputStreaming, ...tool } =
+              rawTool;
+            if (eagerInputStreaming === true) {
+              requiredBetas.add('fine-grained-tool-streaming-2025-05-14');
+            }
 
-          if (toolType && toolType in BEDROCK_TOOL_VERSION_MAP) {
-            const newType =
-              BEDROCK_TOOL_VERSION_MAP[
-                toolType as keyof typeof BEDROCK_TOOL_VERSION_MAP
-              ];
-            if (newType in BEDROCK_TOOL_BETA_MAP) {
-              requiredBetas.add(BEDROCK_TOOL_BETA_MAP[newType]);
+            const toolType = tool.type as string | undefined;
+
+            if (toolType && toolType in BEDROCK_TOOL_VERSION_MAP) {
+              const newType =
+                BEDROCK_TOOL_VERSION_MAP[
+                  toolType as keyof typeof BEDROCK_TOOL_VERSION_MAP
+                ];
+              if (newType in BEDROCK_TOOL_BETA_MAP) {
+                requiredBetas.add(BEDROCK_TOOL_BETA_MAP[newType]);
+              }
+              const newName =
+                newType in BEDROCK_TOOL_NAME_MAP
+                  ? BEDROCK_TOOL_NAME_MAP[newType]
+                  : tool.name;
+              return {
+                ...tool,
+                type: newType,
+                name: newName,
+              };
             }
-            const newName =
-              newType in BEDROCK_TOOL_NAME_MAP
-                ? BEDROCK_TOOL_NAME_MAP[newType]
-                : tool.name;
-            return {
-              ...tool,
-              type: newType,
-              name: newName,
-            };
-          }
 
-          if (toolType && toolType in BEDROCK_TOOL_BETA_MAP) {
-            requiredBetas.add(BEDROCK_TOOL_BETA_MAP[toolType]);
-          }
+            if (toolType && toolType in BEDROCK_TOOL_BETA_MAP) {
+              requiredBetas.add(BEDROCK_TOOL_BETA_MAP[toolType]);
+            }
 
-          if (toolType && toolType in BEDROCK_TOOL_NAME_MAP) {
-            return {
-              ...tool,
-              name: BEDROCK_TOOL_NAME_MAP[toolType],
-            };
-          }
+            if (toolType && toolType in BEDROCK_TOOL_NAME_MAP) {
+              return {
+                ...tool,
+                name: BEDROCK_TOOL_NAME_MAP[toolType],
+              };
+            }
 
-          return tool;
-        });
+            return tool;
+          },
+        );
 
@@ -320,0 +331,0 @@ return {

New alerts

URL strings

Supply chain risk

Package contains fragments of external URLs or IP addresses, which the package may be accessing at runtime.

Fixed alerts

URL strings

Supply chain risk

Package contains fragments of external URLs or IP addresses, which the package may be accessing at runtime.

Improved metrics

Total package byte prevSize

731071

0.23%

Lines of code

8470

0.19%

No dependency changes