@openrouter/ai-sdk-provider
Version:
The [OpenRouter](https://openrouter.ai/) provider for the [Vercel AI SDK](https://sdk.vercel.ai/docs) gives access to over 300 large language models on the OpenRouter chat and completion APIs.
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{"version":3,"sources":["../node_modules/.pnpm/@ai-sdk+provider@3.0.0/node_modules/@ai-sdk/provider/src/errors/ai-sdk-error.ts","../node_modules/.pnpm/@ai-sdk+provider@3.0.0/node_modules/@ai-sdk/provider/src/errors/api-call-error.ts","../node_modules/.pnpm/@ai-sdk+provider@3.0.0/node_modules/@ai-sdk/provider/src/errors/empty-response-body-error.ts","../node_modules/.pnpm/@ai-sdk+provider@3.0.0/node_modules/@ai-sdk/provider/src/errors/get-error-message.ts","../node_modules/.pnpm/@ai-sdk+provider@3.0.0/node_modules/@ai-sdk/provider/src/errors/invalid-argument-error.ts","../node_modules/.pnpm/@ai-sdk+provider@3.0.0/node_modules/@ai-sdk/provider/src/errors/invalid-prompt-error.ts","../node_modules/.pnpm/@ai-sdk+provider@3.0.0/node_modules/@ai-sdk/provider/src/errors/invalid-response-data-error.ts","../node_modules/.pnpm/@ai-sdk+provider@3.0.0/node_modules/@ai-sdk/provider/src/errors/json-parse-error.ts","../node_modules/.pnpm/@ai-sdk+provider@3.0.0/node_modules/@ai-sdk/provider/src/errors/load-api-key-error.ts","../node_modules/.pnpm/@ai-sdk+provider@3.0.0/node_modules/@ai-sdk/provider/src/errors/load-setting-error.ts","../node_modules/.pnpm/@ai-sdk+provider@3.0.0/node_modules/@ai-sdk/provider/src/errors/no-content-generated-error.ts","../node_modules/.pnpm/@ai-sdk+provider@3.0.0/node_modules/@ai-sdk/provider/src/errors/no-such-model-error.ts","../node_modules/.pnpm/@ai-sdk+provider@3.0.0/node_modules/@ai-sdk/provider/src/errors/too-many-embedding-values-for-call-error.ts","../node_modules/.pnpm/@ai-sdk+provider@3.0.0/node_modules/@ai-sdk/provider/src/errors/type-validation-error.ts","../node_modules/.pnpm/@ai-sdk+provider@3.0.0/node_modules/@ai-sdk/provider/src/errors/unsupported-functionality-error.ts","../node_modules/.pnpm/@ai-sdk+provider@3.0.0/node_modules/@ai-sdk/provider/src/json-value/is-json.ts","../node_modules/.pnpm/@ai-sdk+provider-utils@4.0.1_zod@4.3.5/node_modules/@ai-sdk/provider-utils/src/combine-headers.ts","../node_modules/.pnpm/@ai-sdk+provider-utils@4.0.1_zod@4.3.5/node_modules/@ai-sdk/provider-utils/src/convert-async-iterator-to-readable-stream.ts","../node_modules/.pnpm/@ai-sdk+provider-utils@4.0.1_zod@4.3.5/node_modules/@ai-sdk/provider-utils/src/create-tool-name-mapping.ts","../node_modules/.pnpm/@ai-sdk+provider-utils@4.0.1_zod@4.3.5/node_modules/@ai-sdk/provider-utils/src/delay.ts","../node_modules/.pnpm/@ai-sdk+provider-utils@4.0.1_zod@4.3.5/node_modules/@ai-sdk/provider-utils/src/delayed-promise.ts","../node_modules/.pnpm/@ai-sdk+provider-utils@4.0.1_zod@4.3.5/node_modules/@ai-sdk/provider-utils/src/extract-response-headers.ts","../node_modules/.pnpm/@ai-sdk+provider-utils@4.0.1_zod@4.3.5/node_modules/@ai-sdk/provider-utils/src/uint8-utils.ts","../node_modules/.pnpm/@ai-sdk+provider-utils@4.0.1_zod@4.3.5/node_modules/@ai-sdk/provider-utils/src/convert-image-model-file-to-data-uri.ts","../node_modules/.pnpm/@ai-sdk+provider-utils@4.0.1_zod@4.3.5/node_modules/@ai-sdk/provider-utils/src/convert-to-form-data.ts","../node_modules/.pnpm/@ai-sdk+provider-utils@4.0.1_zod@4.3.5/node_modules/@ai-sdk/provider-utils/src/download-error.ts","../node_modules/.pnpm/@ai-sdk+provider-utils@4.0.1_zod@4.3.5/node_modules/@ai-sdk/provider-utils/src/download-blob.ts","../node_modules/.pnpm/@ai-sdk+provider-utils@4.0.1_zod@4.3.5/node_modules/@ai-sdk/provider-utils/src/generate-id.ts","../node_modules/.pnpm/@ai-sdk+provider-utils@4.0.1_zod@4.3.5/node_modules/@ai-sdk/provider-utils/src/get-error-message.ts","../node_modules/.pnpm/@ai-sdk+provider-utils@4.0.1_zod@4.3.5/node_modules/@ai-sdk/provider-utils/src/get-from-api.ts","../node_modules/.pnpm/@ai-sdk+provider-utils@4.0.1_zod@4.3.5/node_modules/@ai-sdk/provider-utils/src/handle-fetch-error.ts","../node_modules/.pnpm/@ai-sdk+provider-utils@4.0.1_zod@4.3.5/node_modules/@ai-sdk/provider-utils/src/is-abort-error.ts","../node_modules/.pnpm/@ai-sdk+provider-utils@4.0.1_zod@4.3.5/node_modules/@ai-sdk/provider-utils/src/get-runtime-environment-user-agent.ts","../node_modules/.pnpm/@ai-sdk+provider-utils@4.0.1_zod@4.3.5/node_modules/@ai-sdk/provider-utils/src/normalize-headers.ts","../node_modules/.pnpm/@ai-sdk+provider-utils@4.0.1_zod@4.3.5/node_modules/@ai-sdk/provider-utils/src/with-user-agent-suffix.ts","../node_modules/.pnpm/@ai-sdk+provider-utils@4.0.1_zod@4.3.5/node_modules/@ai-sdk/provider-utils/src/version.ts","../node_modules/.pnpm/@ai-sdk+provider-utils@4.0.1_zod@4.3.5/node_modules/@ai-sdk/provider-utils/src/inject-json-instruction.ts","../node_modules/.pnpm/@ai-sdk+provider-utils@4.0.1_zod@4.3.5/node_modules/@ai-sdk/provider-utils/src/is-non-nullable.ts","../node_modules/.pnpm/@ai-sdk+provider-utils@4.0.1_zod@4.3.5/node_modules/@ai-sdk/provider-utils/src/is-url-supported.ts","../node_modules/.pnpm/@ai-sdk+provider-utils@4.0.1_zod@4.3.5/node_modules/@ai-sdk/provider-utils/src/load-api-key.ts","../node_modules/.pnpm/@ai-sdk+provider-utils@4.0.1_zod@4.3.5/node_modules/@ai-sdk/provider-utils/src/load-optional-setting.ts","../node_modules/.pnpm/@ai-sdk+prov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* Symbol used for identifying AI SDK Error instances.\n * Enables checking if an error is an instance of AISDKError across package versions.\n */\nconst marker = 'vercel.ai.error';\nconst symbol = Symbol.for(marker);\n\n/**\n * Custom error class for AI SDK related errors.\n * @extends Error\n */\nexport class AISDKError extends Error {\n private readonly [symbol] = true; // used in isInstance\n\n /**\n * The underlying cause of the error, if any.\n */\n readonly cause?: unknown;\n\n /**\n * Creates an AI SDK Error.\n *\n * @param {Object} params - The parameters for creating the error.\n * @param {string} params.name - The name of the error.\n * @param {string} params.message - The error message.\n * @param {unknown} [params.cause] - The underlying cause of the error.\n */\n constructor({\n name,\n message,\n cause,\n }: {\n name: string;\n message: string;\n cause?: unknown;\n }) {\n super(message);\n\n this.name = name;\n this.cause = cause;\n }\n\n /**\n * Checks if the given error is an AI SDK Error.\n * @param {unknown} error - The error to check.\n * @returns {boolean} True if the error is an AI SDK Error, false otherwise.\n */\n static isInstance(error: unknown): error is AISDKError {\n return AISDKError.hasMarker(error, marker);\n }\n\n protected static hasMarker(error: unknown, marker: string): boolean {\n const markerSymbol = Symbol.for(marker);\n return (\n error != null &&\n typeof error === 'object' &&\n markerSymbol in error &&\n typeof error[markerSymbol] === 'boolean' &&\n error[markerSymbol] === true\n );\n }\n}\n","import { AISDKError } from './ai-sdk-error';\n\nconst name = 'AI_APICallError';\nconst marker = `vercel.ai.error.${name}`;\nconst symbol = Symbol.for(marker);\n\nexport class APICallError extends AISDKError {\n private readonly [symbol] = true; // used in isInstance\n\n readonly url: string;\n readonly requestBodyValues: unknown;\n readonly statusCode?: number;\n\n readonly responseHeaders?: Record<string, string>;\n readonly responseBody?: string;\n\n readonly isRetryable: boolean;\n readonly data?: unknown;\n\n constructor({\n message,\n url,\n requestBodyValues,\n statusCode,\n responseHeaders,\n responseBody,\n cause,\n isRetryable = statusCode != null &&\n (statusCode === 408 || // request timeout\n statusCode === 409 || // conflict\n statusCode === 429 || // too many requests\n statusCode >= 500), // server error\n data,\n }: {\n message: string;\n url: string;\n requestBodyValues: unknown;\n statusCode?: number;\n responseHeaders?: Record<string, string>;\n responseBody?: string;\n cause?: unknown;\n isRetryable?: boolean;\n data?: unknown;\n }) {\n super({ name, message, cause });\n\n this.url = url;\n this.requestBodyValues = requestBodyValues;\n this.statusCode = statusCode;\n this.responseHeaders = responseHeaders;\n this.responseBody = responseBody;\n this.isRetryable = isRetryable;\n this.data = data;\n }\n\n static isInstance(error: unknown): error is APICallError {\n return AISDKError.hasMarker(error, marker);\n }\n}\n","import { AISDKError } from './ai-sdk-error';\n\nconst name = 'AI_EmptyResponseBodyError';\nconst marker = `vercel.ai.error.${name}`;\nconst symbol = Symbol.for(marker);\n\nexport class EmptyResponseBodyError extends AISDKError {\n private readonly [symbol] = true; // used in isInstance\n\n constructor({ message = 'Empty response body' }: { message?: string } = {}) {\n super({ name, message });\n }\n\n static isInstance(error: unknown): error is EmptyResponseBodyError {\n return AISDKError.hasMarker(error, marker);\n }\n}\n","export function getErrorMessage(error: unknown | undefined) {\n if (error == null) {\n return 'unknown error';\n }\n\n if (typeof error === 'string') {\n return error;\n }\n\n if (error instanceof Error) {\n return error.message;\n }\n\n return JSON.stringify(error);\n}\n","import { AISDKError } from './ai-sdk-error';\n\nconst name = 'AI_InvalidArgumentError';\nconst marker = `vercel.ai.error.${name}`;\nconst symbol = Symbol.for(marker);\n\n/**\n * A function argument is invalid.\n */\nexport class InvalidArgumentError extends AISDKError {\n private readonly [symbol] = true; // used in isInstance\n\n readonly argument: string;\n\n constructor({\n message,\n cause,\n argument,\n }: {\n argument: string;\n message: string;\n cause?: unknown;\n }) {\n super({ name, message, cause });\n\n this.argument = argument;\n }\n\n static isInstance(error: unknown): error is InvalidArgumentError {\n return AISDKError.hasMarker(error, marker);\n }\n}\n","import { AISDKError } from './ai-sdk-error';\n\nconst name = 'AI_InvalidPromptError';\nconst marker = `vercel.ai.error.${name}`;\nconst symbol = Symbol.for(marker);\n\n/**\n * A prompt is invalid. This error should be thrown by providers when they cannot\n * process a prompt.\n */\nexport class InvalidPromptError extends AISDKError {\n private readonly [symbol] = true; // used in isInstance\n\n readonly prompt: unknown;\n\n constructor({\n prompt,\n message,\n cause,\n }: {\n prompt: unknown;\n message: string;\n cause?: unknown;\n }) {\n super({ name, message: `Invalid prompt: ${message}`, cause });\n\n this.prompt = prompt;\n }\n\n static isInstance(error: unknown): error is InvalidPromptError {\n return AISDKError.hasMarker(error, marker);\n }\n}\n","import { AISDKError } from './ai-sdk-error';\n\nconst name = 'AI_InvalidResponseDataError';\nconst marker = `vercel.ai.error.${name}`;\nconst symbol = Symbol.for(marker);\n\n/**\n * Server returned a response with invalid data content.\n * This should be thrown by providers when they cannot parse the response from the API.\n */\nexport class InvalidResponseDataError extends AISDKError {\n private readonly [symbol] = true; // used in isInstance\n\n readonly data: unknown;\n\n constructor({\n data,\n message = `Invalid response data: ${JSON.stringify(data)}.`,\n }: {\n data: unknown;\n message?: string;\n }) {\n super({ name, message });\n\n this.data = data;\n }\n\n static isInstance(error: unknown): error is InvalidResponseDataError {\n return AISDKError.hasMarker(error, marker);\n }\n}\n","import { AISDKError } from './ai-sdk-error';\nimport { getErrorMessage } from './get-error-message';\n\nconst name = 'AI_JSONParseError';\nconst marker = `vercel.ai.error.${name}`;\nconst symbol = Symbol.for(marker);\n\nexport class JSONParseError extends AISDKError {\n private readonly [symbol] = true; // used in isInstance\n\n readonly text: string;\n\n constructor({ text, cause }: { text: string; cause: unknown }) {\n super({\n name,\n message:\n `JSON parsing failed: ` +\n `Text: ${text}.\\n` +\n `Error message: ${getErrorMessage(cause)}`,\n cause,\n });\n\n this.text = text;\n }\n\n static isInstance(error: unknown): error is JSONParseError {\n return AISDKError.hasMarker(error, marker);\n }\n}\n","import { AISDKError } from './ai-sdk-error';\n\nconst name = 'AI_LoadAPIKeyError';\nconst marker = `vercel.ai.error.${name}`;\nconst symbol = Symbol.for(marker);\n\nexport class LoadAPIKeyError extends AISDKError {\n private readonly [symbol] = true; // used in isInstance\n\n constructor({ message }: { message: string }) {\n super({ name, message });\n }\n\n static isInstance(error: unknown): error is LoadAPIKeyError {\n return AISDKError.hasMarker(error, marker);\n }\n}\n","import { AISDKError } from './ai-sdk-error';\n\nconst name = 'AI_LoadSettingError';\nconst marker = `vercel.ai.error.${name}`;\nconst symbol = Symbol.for(marker);\n\nexport class LoadSettingError extends AISDKError {\n private readonly [symbol] = true; // used in isInstance\n\n constructor({ message }: { message: string }) {\n super({ name, message });\n }\n\n static isInstance(error: unknown): error is LoadSettingError {\n return AISDKError.hasMarker(error, marker);\n }\n}\n","import { AISDKError } from './ai-sdk-error';\n\nconst name = 'AI_NoContentGeneratedError';\nconst marker = `vercel.ai.error.${name}`;\nconst symbol = Symbol.for(marker);\n\n/**\nThrown when the AI provider fails to generate any content.\n */\nexport class NoContentGeneratedError extends AISDKError {\n private readonly [symbol] = true; // used in isInstance\n\n constructor({\n message = 'No content generated.',\n }: { message?: string } = {}) {\n super({ name, message });\n }\n\n static isInstance(error: unknown): error is NoContentGeneratedError {\n return AISDKError.hasMarker(error, marker);\n }\n}\n","import { AISDKError } from './ai-sdk-error';\n\nconst name = 'AI_NoSuchModelError';\nconst marker = `vercel.ai.error.${name}`;\nconst symbol = Symbol.for(marker);\n\nexport class NoSuchModelError extends AISDKError {\n private readonly [symbol] = true; // used in isInstance\n\n readonly modelId: string;\n readonly modelType:\n | 'languageModel'\n | 'embeddingModel'\n | 'imageModel'\n | 'transcriptionModel'\n | 'speechModel'\n | 'rerankingModel';\n\n constructor({\n errorName = name,\n modelId,\n modelType,\n message = `No such ${modelType}: ${modelId}`,\n }: {\n errorName?: string;\n modelId: string;\n modelType:\n | 'languageModel'\n | 'embeddingModel'\n | 'imageModel'\n | 'transcriptionModel'\n | 'speechModel'\n | 'rerankingModel';\n message?: string;\n }) {\n super({ name: errorName, message });\n\n this.modelId = modelId;\n this.modelType = modelType;\n }\n\n static isInstance(error: unknown): error is NoSuchModelError {\n return AISDKError.hasMarker(error, marker);\n }\n}\n","import { AISDKError } from './ai-sdk-error';\n\nconst name = 'AI_TooManyEmbeddingValuesForCallError';\nconst marker = `vercel.ai.error.${name}`;\nconst symbol = Symbol.for(marker);\n\nexport class TooManyEmbeddingValuesForCallError extends AISDKError {\n private readonly [symbol] = true; // used in isInstance\n\n readonly provider: string;\n readonly modelId: string;\n readonly maxEmbeddingsPerCall: number;\n readonly values: Array<unknown>;\n\n constructor(options: {\n provider: string;\n modelId: string;\n maxEmbeddingsPerCall: number;\n values: Array<unknown>;\n }) {\n super({\n name,\n message:\n `Too many values for a single embedding call. ` +\n `The ${options.provider} model \"${options.modelId}\" can only embed up to ` +\n `${options.maxEmbeddingsPerCall} values per call, but ${options.values.length} values were provided.`,\n });\n\n this.provider = options.provider;\n this.modelId = options.modelId;\n this.maxEmbeddingsPerCall = options.maxEmbeddingsPerCall;\n this.values = options.values;\n }\n\n static isInstance(\n error: unknown,\n ): error is TooManyEmbeddingValuesForCallError {\n return AISDKError.hasMarker(error, marker);\n }\n}\n","import { AISDKError } from './ai-sdk-error';\nimport { getErrorMessage } from './get-error-message';\n\nconst name = 'AI_TypeValidationError';\nconst marker = `vercel.ai.error.${name}`;\nconst symbol = Symbol.for(marker);\n\nexport class TypeValidationError extends AISDKError {\n private readonly [symbol] = true; // used in isInstance\n\n readonly value: unknown;\n\n constructor({ value, cause }: { value: unknown; cause: unknown }) {\n super({\n name,\n message:\n `Type validation failed: ` +\n `Value: ${JSON.stringify(value)}.\\n` +\n `Error message: ${getErrorMessage(cause)}`,\n cause,\n });\n\n this.value = value;\n }\n\n static isInstance(error: unknown): error is TypeValidationError {\n return AISDKError.hasMarker(error, marker);\n }\n\n /**\n * Wraps an error into a TypeValidationError.\n * If the cause is already a TypeValidationError with the same value, it returns the cause.\n * Otherwise, it creates a new TypeValidationError.\n *\n * @param {Object} params - The parameters for wrapping the error.\n * @param {unknown} params.value - The value that failed validation.\n * @param {unknown} params.cause - The original error or cause of the validation failure.\n * @returns {TypeValidationError} A TypeValidationError instance.\n */\n static wrap({\n value,\n cause,\n }: {\n value: unknown;\n cause: unknown;\n }): TypeValidationError {\n return TypeValidationError.isInstance(cause) && cause.value === value\n ? cause\n : new TypeValidationError({ value, cause });\n }\n}\n","import { AISDKError } from './ai-sdk-error';\n\nconst name = 'AI_UnsupportedFunctionalityError';\nconst marker = `vercel.ai.error.${name}`;\nconst symbol = Symbol.for(marker);\n\nexport class UnsupportedFunctionalityError extends AISDKError {\n private readonly [symbol] = true; // used in isInstance\n\n readonly functionality: string;\n\n constructor({\n functionality,\n message = `'${functionality}' functionality not supported.`,\n }: {\n functionality: string;\n message?: string;\n }) {\n super({ name, message });\n this.functionality = functionality;\n }\n\n static isInstance(error: unknown): error is UnsupportedFunctionalityError {\n return AISDKError.hasMarker(error, marker);\n }\n}\n","import { JSONArray, JSONObject, JSONValue } from './json-value';\n\nexport function isJSONValue(value: unknown): value is JSONValue {\n if (\n value === null ||\n typeof value === 'string' ||\n typeof value === 'number' ||\n typeof value === 'boolean'\n ) {\n return true;\n }\n\n if (Array.isArray(value)) {\n return value.every(isJSONValue);\n }\n\n if (typeof value === 'object') {\n return Object.entries(value).every(\n ([key, val]) =>\n typeof key === 'string' && (val === undefined || isJSONValue(val)),\n );\n }\n\n return false;\n}\n\nexport function isJSONArray(value: unknown): value is JSONArray {\n return Array.isArray(value) && value.every(isJSONValue);\n}\n\nexport function isJSONObject(value: unknown): value is JSONObject {\n return (\n value != null &&\n typeof value === 'object' &&\n Object.entries(value).every(\n ([key, val]) =>\n typeof key === 'string' && (val === undefined || isJSONValue(val)),\n )\n );\n}\n","export function combineHeaders(\n ...headers: Array<Record<string, string | undefined> | undefined>\n): Record<string, string | undefined> {\n return headers.reduce(\n (combinedHeaders, currentHeaders) => ({\n ...combinedHeaders,\n ...(currentHeaders ?? {}),\n }),\n {},\n ) as Record<string, string | undefined>;\n}\n","/**\n * Converts an AsyncIterator to a ReadableStream.\n *\n * @template T - The type of elements produced by the AsyncIterator.\n * @param { <T>} iterator - The AsyncIterator to convert.\n * @returns {ReadableStream<T>} - A ReadableStream that provides the same data as the AsyncIterator.\n */\nexport function convertAsyncIteratorToReadableStream<T>(\n iterator: AsyncIterator<T>,\n): ReadableStream<T> {\n let cancelled = false;\n\n return new ReadableStream<T>({\n /**\n * Called when the consumer wants to pull more data from the stream.\n *\n * @param {ReadableStreamDefaultController<T>} controller - The controller to enqueue data into the stream.\n * @returns {Promise<void>}\n */\n async pull(controller) {\n if (cancelled) return;\n try {\n const { value, done } = await iterator.next();\n if (done) {\n controller.close();\n } else {\n controller.enqueue(value);\n }\n } catch (error) {\n controller.error(error);\n }\n },\n /**\n * Called when the consumer cancels the stream.\n */\n async cancel(reason?: unknown) {\n cancelled = true;\n if (iterator.return) {\n try {\n await iterator.return(reason);\n } catch {\n // intentionally ignore errors during cancellation\n }\n }\n },\n });\n}\n","import {\n LanguageModelV3FunctionTool,\n LanguageModelV3ProviderTool,\n} from '@ai-sdk/provider';\n\n/**\n * Interface for mapping between custom tool names and provider tool names.\n */\nexport interface ToolNameMapping {\n /**\n * Maps a custom tool name (used by the client) to the provider's tool name.\n * If the custom tool name does not have a mapping, returns the input name.\n *\n * @param customToolName - The custom name of the tool defined by the client.\n * @returns The corresponding provider tool name, or the input name if not mapped.\n */\n toProviderToolName: (customToolName: string) => string;\n\n /**\n * Maps a provider tool name to the custom tool name used by the client.\n * If the provider tool name does not have a mapping, returns the input name.\n *\n * @param providerToolName - The name of the tool as understood by the provider.\n * @returns The corresponding custom tool name, or the input name if not mapped.\n */\n toCustomToolName: (providerToolName: string) => string;\n}\n\n/**\n * @param tools - Tools that were passed to the language model.\n * @param providerToolNames - Maps the provider tool ids to the provider tool names.\n */\nexport function createToolNameMapping({\n tools = [],\n providerToolNames,\n}: {\n /**\n * Tools that were passed to the language model.\n */\n tools:\n | Array<LanguageModelV3FunctionTool | LanguageModelV3ProviderTool>\n | undefined;\n\n /**\n * Maps the provider tool ids to the provider tool names.\n */\n providerToolNames: Record<`${string}.${string}`, string>;\n}): ToolNameMapping {\n const customToolNameToProviderToolName: Record<string, string> = {};\n const providerToolNameToCustomToolName: Record<string, string> = {};\n\n for (const tool of tools) {\n if (tool.type === 'provider' && tool.id in providerToolNames) {\n const providerToolName = providerToolNames[tool.id];\n customToolNameToProviderToolName[tool.name] = providerToolName;\n providerToolNameToCustomToolName[providerToolName] = tool.name;\n }\n }\n\n return {\n toProviderToolName: (customToolName: string) =>\n customToolNameToProviderToolName[customToolName] ?? customToolName,\n toCustomToolName: (providerToolName: string) =>\n providerToolNameToCustomToolName[providerToolName] ?? providerToolName,\n };\n}\n","/**\n * Creates a Promise that resolves after a specified delay\n * @param delayInMs - The delay duration in milliseconds. If null or undefined, resolves immediately.\n * @param signal - Optional AbortSignal to cancel the delay\n * @returns A Promise that resolves after the specified delay\n * @throws {DOMException} When the signal is aborted\n */\nexport async function delay(\n delayInMs?: number | null,\n options?: {\n abortSignal?: AbortSignal;\n },\n): Promise<void> {\n if (delayInMs == null) {\n return Promise.resolve();\n }\n\n const signal = options?.abortSignal;\n\n return new Promise<void>((resolve, reject) => {\n if (signal?.aborted) {\n reject(createAbortError());\n return;\n }\n\n const timeoutId = setTimeout(() => {\n cleanup();\n resolve();\n }, delayInMs);\n\n const cleanup = () => {\n clearTimeout(timeoutId);\n signal?.removeEventListener('abort', onAbort);\n };\n\n const onAbort = () => {\n cleanup();\n reject(createAbortError());\n };\n\n signal?.addEventListener('abort', onAbort);\n });\n}\n\nfunction createAbortError(): DOMException {\n return new DOMException('Delay was aborted', 'AbortError');\n}\n","/**\n * Delayed promise. It is only constructed once the value is accessed.\n * This is useful to avoid unhandled promise rejections when the promise is created\n * but not accessed.\n */\nexport class DelayedPromise<T> {\n private status:\n | { type: 'pending' }\n | { type: 'resolved'; value: T }\n | { type: 'rejected'; error: unknown } = { type: 'pending' };\n private _promise: Promise<T> | undefined;\n private _resolve: undefined | ((value: T) => void) = undefined;\n private _reject: undefined | ((error: unknown) => void) = undefined;\n\n get promise(): Promise<T> {\n if (this._promise) {\n return this._promise;\n }\n\n this._promise = new Promise<T>((resolve, reject) => {\n if (this.status.type === 'resolved') {\n resolve(this.status.value);\n } else if (this.status.type === 'rejected') {\n reject(this.status.error);\n }\n\n this._resolve = resolve;\n this._reject = reject;\n });\n\n return this._promise;\n }\n\n resolve(value: T): void {\n this.status = { type: 'resolved', value };\n\n if (this._promise) {\n this._resolve?.(value);\n }\n }\n\n reject(error: unknown): void {\n this.status = { type: 'rejected', error };\n\n if (this._promise) {\n this._reject?.(error);\n }\n }\n\n isResolved(): boolean {\n return this.status.type === 'resolved';\n }\n\n isRejected(): boolean {\n return this.status.type === 'rejected';\n }\n\n isPending(): boolean {\n return this.status.type === 'pending';\n }\n}\n","/**\nExtracts the headers from a response object and returns them as a key-value object.\n\n@param response - The response object to extract headers from.\n@returns The headers as a key-value object.\n*/\nexport function extractResponseHeaders(response: Response) {\n return Object.fromEntries<string>([...response.headers]);\n}\n","// btoa and atob need to be invoked as a function call, not as a method call.\n// Otherwise CloudFlare will throw a\n// \"TypeError: Illegal invocation: function called with incorrect this reference\"\nconst { btoa, atob } = globalThis;\n\nexport function convertBase64ToUint8Array(base64String: string) {\n const base64Url = base64String.replace(/-/g, '+').replace(/_/g, '/');\n const latin1string = atob(base64Url);\n return Uint8Array.from(latin1string, byte => byte.codePointAt(0)!);\n}\n\nexport function convertUint8ArrayToBase64(array: Uint8Array): string {\n let latin1string = '';\n\n // Note: regular for loop to support older JavaScript versions that\n // do not support for..of on Uint8Array\n for (let i = 0; i < array.length; i++) {\n latin1string += String.fromCodePoint(array[i]);\n }\n\n return btoa(latin1string);\n}\n\nexport function convertToBase64(value: string | Uint8Array): string {\n return value instanceof Uint8Array ? convertUint8ArrayToBase64(value) : value;\n}\n","import { ImageModelV3File } from '@ai-sdk/provider';\nimport { convertUint8ArrayToBase64 } from './uint8-utils';\n\n/**\n * Convert an ImageModelV3File to a URL or data URI string.\n *\n * If the file is a URL, it returns the URL as-is.\n * If the file is base64 data, it returns a data URI with the base64 data.\n * If the file is a Uint8Array, it converts it to base64 and returns a data URI.\n */\nexport function convertImageModelFileToDataUri(file: ImageModelV3File): string {\n if (file.type === 'url') return file.url;\n\n return `data:${file.mediaType};base64,${\n typeof file.data === 'string'\n ? file.data\n : convertUint8ArrayToBase64(file.data)\n }`;\n}\n","/**\n * Converts an input object to FormData for multipart/form-data requests.\n *\n * Handles the following cases:\n * - `null` or `undefined` values are skipped\n * - Arrays with a single element are appended as a single value\n * - Arrays with multiple elements are appended with `[]` suffix (e.g., `image[]`)\n * unless `useArrayBrackets` is set to `false`\n * - All other values are appended directly\n *\n * @param input - The input object to convert. Use a generic type for type validation.\n * @param options - Optional configuration object.\n * @param options.useArrayBrackets - Whether to add `[]` suffix for multi-element arrays.\n * Defaults to `true`. Set to `false` for APIs that expect repeated keys without brackets.\n * @returns A FormData object containing the input values.\n *\n * @example\n * ```ts\n * type MyInput = {\n * model: string;\n * prompt: string;\n * images: Blob[];\n * };\n *\n * const formData = convertToFormData<MyInput>({\n * model: 'gpt-image-1',\n * prompt: 'A cat',\n * images: [blob1, blob2],\n * });\n * ```\n */\nexport function convertToFormData<T extends Record<string, unknown>>(\n input: T,\n options: { useArrayBrackets?: boolean } = {},\n): FormData {\n const { useArrayBrackets = true } = options;\n const formData = new FormData();\n\n for (const [key, value] of Object.entries(input)) {\n if (value == null) {\n continue;\n }\n\n if (Array.isArray(value)) {\n if (value.length === 1) {\n formData.append(key, value[0] as string | Blob);\n continue;\n }\n\n const arrayKey = useArrayBrackets ? `${key}[]` : key;\n for (const item of value) {\n formData.append(arrayKey, item as string | Blob);\n }\n continue;\n }\n\n formData.append(key, value as string | Blob);\n }\n\n return formData;\n}\n","import { AISDKError } from '@ai-sdk/provider';\n\nconst name = 'AI_DownloadError';\nconst marker = `vercel.ai.error.${name}`;\nconst symbol = Symbol.for(marker);\n\nexport class DownloadError extends AISDKError {\n private readonly [symbol] = true; // used in isInstance\n\n readonly url: string;\n readonly statusCode?: number;\n readonly statusText?: string;\n\n constructor({\n url,\n statusCode,\n statusText,\n cause,\n message = cause == null\n ? `Failed to download ${url}: ${statusCode} ${statusText}`\n : `Failed to download ${url}: ${cause}`,\n }: {\n url: string;\n statusCode?: number;\n statusText?: string;\n message?: string;\n cause?: unknown;\n }) {\n super({ name, message, cause });\n\n this.url = url;\n this.statusCode = statusCode;\n this.statusText = statusText;\n }\n\n static isInstance(error: unknown): error is DownloadError {\n return AISDKError.hasMarker(error, marker);\n }\n}\n","import { DownloadError } from './download-error';\n\n/**\n * Download a file from a URL and return it as a Blob.\n *\n * @param url - The URL to download from.\n * @returns A Promise that resolves to the downloaded Blob.\n *\n * @throws DownloadError if the download fails.\n */\nexport async function downloadBlob(url: string): Promise<Blob> {\n try {\n const response = await fetch(url);\n\n if (!response.ok) {\n throw new DownloadError({\n url,\n statusCode: response.status,\n statusText: response.statusText,\n });\n }\n\n return await response.blob();\n } catch (error) {\n if (DownloadError.isInstance(error)) {\n throw error;\n }\n\n throw new DownloadError({ url, cause: error });\n }\n}\n","import { InvalidArgumentError } from '@ai-sdk/provider';\n\n/**\nCreates an ID generator.\nThe total length of the ID is the sum of the prefix, separator, and random part length.\nNot cryptographically secure.\n\n@param alphabet - The alphabet to use for the ID. Default: '0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz'.\n@param prefix - The prefix of the ID to generate. Optional.\n@param separator - The separator between the prefix and the random part of the ID. Default: '-'.\n@param size - The size of the random part of the ID to generate. Default: 16.\n */\nexport const createIdGenerator = ({\n prefix,\n size = 16,\n alphabet = '0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz',\n separator = '-',\n}: {\n prefix?: string;\n separator?: string;\n size?: number;\n alphabet?: string;\n} = {}): IdGenerator => {\n const generator = () => {\n const alphabetLength = alphabet.length;\n const chars = new Array(size);\n for (let i = 0; i < size; i++) {\n chars[i] = alphabet[(Math.random() * alphabetLength) | 0];\n }\n return chars.join('');\n };\n\n if (prefix == null) {\n return generator;\n }\n\n // check that the prefix is not part of the alphabet (otherwise prefix checking can fail randomly)\n if (alphabet.includes(separator)) {\n throw new InvalidArgumentError({\n argument: 'separator',\n message: `The separator \"${separator}\" must not be part of the alphabet \"${alphabet}\".`,\n });\n }\n\n return () => `${prefix}${separator}${generator()}`;\n};\n\n/**\nA function that generates an ID.\n */\nexport type IdGenerator = () => string;\n\n/**\nGenerates a 16-character random string to use for IDs.\nNot cryptographically secure.\n */\nexport const generateId = createIdGenerator();\n","export function getErrorMessage(error: unknown | undefined) {\n if (error == null) {\n return 'unknown error';\n }\n\n if (typeof error === 'string') {\n return error;\n }\n\n if (error instanceof Error) {\n return error.message;\n }\n\n return JSON.stringify(error);\n}\n","import { APICallError } from '@ai-sdk/provider';\nimport { extractResponseHeaders } from './extract-response-headers';\nimport { FetchFunction } from './fetch-function';\nimport { handleFetchError } from './handle-fetch-error';\nimport { isAbortError } from './is-abort-error';\nimport { ResponseHandler } from './response-handler';\nimport { getRuntimeEnvironmentUserAgent } from './get-runtime-environment-user-agent';\nimport { withUserAgentSuffix } from './with-user-agent-suffix';\nimport { VERSION } from './version';\n\n// use function to allow for mocking in tests:\nconst getOriginalFetch = () => globalThis.fetch;\n\nexport const getFromApi = async <T>({\n url,\n headers = {},\n successfulResponseHandler,\n failedResponseHandler,\n abortSignal,\n fetch = getOriginalFetch(),\n}: {\n url: string;\n headers?: Record<string, string | undefined>;\n failedResponseHandler: ResponseHandler<Error>;\n successfulResponseHandler: ResponseHandler<T>;\n abortSignal?: AbortSignal;\n fetch?: FetchFunction;\n}) => {\n try {\n const response = await fetch(url, {\n method: 'GET',\n headers: withUserAgentSuffix(\n headers,\n `ai-sdk/provider-utils/${VERSION}`,\n getRuntimeEnvironmentUserAgent(),\n ),\n signal: abortSignal,\n });\n\n const responseHeaders = extractResponseHeaders(response);\n\n if (!response.ok) {\n let errorInformation: {\n value: Error;\n responseHeaders?: Record<string, string> | undefined;\n };\n\n try {\n errorInformation = await failedResponseHandler({\n response,\n url,\n requestBodyValues: {},\n });\n } catch (error) {\n if (isAbortError(error) || APICallError.isInstance(error)) {\n throw error;\n }\n\n throw new APICallError({\n message: 'Failed to process error response',\n cause: error,\n statusCode: response.status,\n url,\n responseHeaders,\n requestBodyValues: {},\n });\n }\n\n throw errorInformation.value;\n }\n\n try {\n return await successfulResponseHandler({\n response,\n url,\n requestBodyValues: {},\n });\n } catch (error) {\n if (error instanceof Error) {\n if (isAbortError(error) || APICallError.isInstance(error)) {\n throw error;\n }\n }\n\n throw new APICallError({\n message: 'Failed to process successful response',\n cause: error,\n statusCode: response.status,\n url,\n responseHeaders,\n requestBodyValues: {},\n });\n }\n } catch (error) {\n throw handleFetchError({ error, url, requestBodyValues: {} });\n }\n};\n","import { APICallError } from '@ai-sdk/provider';\nimport { isAbortError } from './is-abort-error';\n\nconst FETCH_FAILED_ERROR_MESSAGES = ['fetch failed', 'failed to fetch'];\n\nexport function handleFetchError({\n error,\n url,\n requestBodyValues,\n}: {\n error: unknown;\n url: string;\n requestBodyValues: unknown;\n}) {\n if (isAbortError(error)) {\n return error;\n }\n\n // unwrap original error when fetch failed (for easier debugging):\n if (\n error instanceof TypeError &&\n FETCH_FAILED_ERROR_MESSAGES.includes(error.message.toLowerCase())\n ) {\n const cause = (error as any).cause;\n\n if (cause != null) {\n // Failed to connect to server:\n return new APICallError({\n message: `Cannot connect to API: ${cause.message}`,\n cause,\n url,\n requestBodyValues,\n isRetryable: true, // retry when network error\n });\n }\n }\n\n return error;\n}\n","export function isAbortError(error: unknown): error is Error {\n return (\n (error instanceof Error || error instanceof DOMException) &&\n (error.name === 'AbortError' ||\n error.name === 'ResponseAborted' || // Next.js\n error.name === 'TimeoutError')\n );\n}\n","export function getRuntimeEnvironmentUserAgent(\n globalThisAny: any = globalThis as any,\n): string {\n // Browsers\n if (globalThisAny.window) {\n return `runtime/browser`;\n }\n\n // Cloudflare Workers / Deno / Bun / Node.js >= 21.1\n if (globalThisAny.navigator?.userAgent) {\n return `runtime/${globalThisAny.navigator.userAgent.toLowerCase()}`;\n }\n\n // Nodes.js < 21.1\n if (globalThisAny.process?.versions?.node) {\n return `runtime/node.js/${globalThisAny.process.version.substring(0)}`;\n }\n\n if (globalThisAny.EdgeRuntime) {\n return `runtime/vercel-edge`;\n }\n\n return 'runtime/unknown';\n}\n","/**\n * Normalizes different header inputs into a plain record with lower-case keys.\n * Entries with `undefined` or `null` values are removed.\n *\n * @param headers - Input headers (`Headers`, tuples array, plain record) to normalize.\n * @returns A record containing the normalized header entries.\n */\nexport function normalizeHeaders(\n headers:\n | HeadersInit\n | Record<string, string | undefined>\n | Array<[string, string | undefined]>\n | undefined,\n): Record<string, string> {\n if (headers == null) {\n return {};\n }\n\n const normalized: Record<string, string> = {};\n\n if (headers instanceof Headers) {\n headers.forEach((value, key) => {\n normalized[key.toLowerCase()] = value;\n });\n } else {\n if (!Array.isArray(headers)) {\n headers = Object.entries(headers);\n }\n\n for (const [key, value] of headers) {\n if (value != null) {\n normalized[key.toLowerCase()] = value;\n }\n }\n }\n\n return normalized;\n}\n","import { normalizeHeaders } from './normalize-headers';\n\n/**\n * Appends suffix parts to the `user-agent` header.\n * If a `user-agent` header already exists, the suffix parts are appended to it.\n * If no `user-agent` header exists, a new one is created with the suffix parts.\n * Automatically removes undefined entries from the headers.\n *\n * @param headers - The original headers.\n * @param userAgentSuffixParts - The parts to append to the `user-agent` header.\n * @returns The new headers with the `user-agent` header set or updated.\n */\nexport function withUserAgentSuffix(\n headers: HeadersInit | Record<string, string | undefined> | undefined,\n ...userAgentSuffixParts: string[]\n): Record<string, string> {\n const normalizedHeaders = new Headers(normalizeHeaders(headers));\n\n const currentUserAgentHeader = normalizedHeaders.get('user-agent') || '';\n\n normalizedHeaders.set(\n 'user-agent',\n [currentUserAgentHeader, ...userAgentSuffixParts].filter(Boolean).join(' '),\n );\n\n return Object.fromEntries(normalizedHeaders.entries());\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"