ai - npm Package Compare versions

Comparing version 7.0.13 to 7.0.14

src/transcribe/stream-transcribe-result.ts

+import type { JSONObject, SharedV4ProviderMetadata } from '@ai-sdk/provider';
+import type { AsyncIterableStream } from '../util/async-iterable-stream';
+import type { TranscriptionModelResponseMetadata } from '../types/transcription-model-response-metadata';
+import type { Warning } from '../types/warning';
+
+export type TranscriptionStreamPart =
+  | {
+      type: 'transcript-delta';
+      id?: string;
+      delta: string;
+      providerMetadata?: SharedV4ProviderMetadata;
+    }
+  | {
+      type: 'transcript-partial';
+      id?: string;
+      text: string;
+      startSecond?: number;
+      durationInSeconds?: number;
+      channelIndex?: number;
+      providerMetadata?: SharedV4ProviderMetadata;
+    }
+  | {
+      type: 'transcript-final';
+      id?: string;
+      text: string;
+      startSecond?: number;
+      endSecond?: number;
+      channelIndex?: number;
+      providerMetadata?: SharedV4ProviderMetadata;
+    }
+  | {
+      type: 'raw';
+      rawValue: unknown;
+    }
+  | {
+      type: 'error';
+      error: unknown;
+    };
+
+export interface StreamTranscriptionResult {
+  /**
+   * The final transcribed text.
+   */
+  readonly text: PromiseLike<string>;
+
+  /**
+   * Final transcript segments with timing information, if available.
+   */
+  readonly segments: PromiseLike<
+    Array<{
+      text: string;
+      startSecond: number;
+      endSecond: number;
+    }>
+  >;
+
+  /**
+   * The language of the transcript, if available.
+   */
+  readonly language: PromiseLike<string | undefined>;
+
+  /**
+   * The duration of the transcript in seconds, if available.
+   */
+  readonly durationInSeconds: PromiseLike<number | undefined>;
+
+  /**
+   * Warnings for the call, e.g. unsupported settings.
+   */
+  readonly warnings: PromiseLike<Array<Warning>>;
+
+  /**
+   * Response metadata.
+   */
+  readonly responses: PromiseLike<Array<TranscriptionModelResponseMetadata>>;
+
+  /**
+   * Additional provider-specific metadata.
+   */
+  readonly providerMetadata: PromiseLike<Record<string, JSONObject>>;
+
+  /**
+   * Full stream of transcription parts.
+   */
+  readonly fullStream: AsyncIterableStream<TranscriptionStreamPart>;
+}

src/transcribe/stream-transcribe.ts

+import {
+  UnsupportedFunctionalityError,
+  type Experimental_TranscriptionModelV4StreamPart,
+  type JSONObject,
+} from '@ai-sdk/provider';
+import {
+  DelayedPromise,
+  withUserAgentSuffix,
+  type ProviderOptions,
+} from '@ai-sdk/provider-utils';
+import { NoTranscriptGeneratedError } from '../error/no-transcript-generated-error';
+import { logWarnings } from '../logger/log-warnings';
+import { resolveTranscriptionModel } from '../model/resolve-model';
+import type { TranscriptionModel } from '../types/transcription-model';
+import type { TranscriptionModelResponseMetadata } from '../types/transcription-model-response-metadata';
+import type { Warning } from '../types/warning';
+import { asAsyncIterableStream } from '../util/async-iterable-stream';
+import { VERSION } from '../version';
+import type {
+  StreamTranscriptionResult,
+  TranscriptionStreamPart,
+} from './stream-transcribe-result';
+
+type TranscriptSegment = {
+  text: string;
+  startSecond: number;
+  endSecond: number;
+};
+
+/**
+ * Streams transcripts using a transcription model.
+ *
+ * @param model - The transcription model to use.
+ * @param audio - Raw audio chunks to transcribe.
+ * @param inputAudioFormat - The input audio format for the raw audio chunks.
+ * @param providerOptions - Additional provider-specific options.
+ * @param abortSignal - An optional abort signal that can be used to cancel the call.
+ * @param headers - Additional HTTP/WebSocket headers to send when supported by the provider.
+ *
+ * @returns A result object that contains the streaming transcript and final transcript metadata.
+ */
+export function streamTranscribe({
+  model,
+  audio,
+  inputAudioFormat,
+  providerOptions = {},
+  abortSignal,
+  headers,
+  includeRawChunks,
+  _internal: { currentDate = () => new Date() } = {},
+}: {
+  /**
+   * The transcription model to use.
+   */
+  model: TranscriptionModel;
+
+  /**
+   * Raw audio chunks to transcribe.
+   */
+  audio: ReadableStream<Uint8Array | string>;
+
+  /**
+   * The input audio format for the raw audio chunks.
+   */
+  inputAudioFormat: {
+    /**
+     * Audio format type, e.g. `audio/pcm`, `audio/pcmu`, or `audio/pcma`.
+     */
+    type: string;
+
+    /**
+     * Sample rate in Hz. Only applicable for formats that require a rate.
+     */
+    rate?: number;
+  };
+
+  /**
+   * Additional provider-specific options.
+   */
+  providerOptions?: ProviderOptions;
+
+  /**
+   * Abort signal.
+   */
+  abortSignal?: AbortSignal;
+
+  /**
+   * Additional headers to include in the request, if supported by the provider.
+   */
+  headers?: Record<string, string>;
+
+  /**
+   * When true, providers should include raw provider chunks in the stream.
+   */
+  includeRawChunks?: boolean;
+
+  /**
+   * Internal test hooks.
+   */
+  _internal?: {
+    currentDate?: () => Date;
+  };
+}): StreamTranscriptionResult {
+  const resolvedModel = resolveTranscriptionModel(model);
+  if (!resolvedModel) {
+    throw new Error('Model could not be resolved');
+  }
+
+  const doStream = resolvedModel.doStream?.bind(resolvedModel);
+  if (doStream == null) {
+    throw new UnsupportedFunctionalityError({
+      functionality: 'streaming transcription',
+      message:
+        `The ${resolvedModel.provider} model "${resolvedModel.modelId}" does not support streaming transcription.` +
+        (typeof model === 'string'
+          ? ' String model IDs resolve through the global provider (AI Gateway by default),' +
+            ' which does not support streaming transcription yet.' +
+            " Pass a provider model instance instead, e.g. openai.transcription('gpt-realtime-whisper')."
+          : ''),
+    });
+  }
+
+  const headersWithUserAgent = withUserAgentSuffix(
+    headers ?? {},
+    `ai/${VERSION}`,
+  );
+
+  const textPromise = new DelayedPromise<string>();
+  const segmentsPromise = new DelayedPromise<Array<TranscriptSegment>>();
+  const languagePromise = new DelayedPromise<string | undefined>();
+  const durationInSecondsPromise = new DelayedPromise<number | undefined>();
+  const warningsPromise = new DelayedPromise<Array<Warning>>();
+  const responsesPromise = new DelayedPromise<
+    Array<TranscriptionModelResponseMetadata>
+  >();
+  const providerMetadataPromise = new DelayedPromise<
+    Record<string, JSONObject>
+  >();
+
+  const rejectPendingPromises = (error: unknown) => {
+    for (const promise of [
+      textPromise,
+      segmentsPromise,
+      languagePromise,
+      durationInSecondsPromise,
+      warningsPromise,
+      responsesPromise,
+      providerMetadataPromise,
+    ]) {
+      if (promise.isPending()) {
+        promise.reject(error);
+      }
+    }
+  };
+
+  const startedAt = currentDate();
+  let response: TranscriptionModelResponseMetadata | undefined;
+  const currentResponseMetadata = () =>
+    response ?? { timestamp: startedAt, modelId: resolvedModel.modelId };
+
+  const resolveWarnings = (warnings: Array<Warning>) => {
+    warningsPromise.resolve(warnings);
+    logWarnings({
+      warnings,
+      provider: resolvedModel.provider,
+      model: resolvedModel.modelId,
+    });
+  };
+
+  // When the consumer cancels `fullStream` early, we abort the model pipe below
+  // with a defined reason via this controller. Relying on the default cancel
+  // cascade aborts the pipe with an `undefined` reason, which surfaces as a
+  // spurious unhandled rejection on Node.js 26 when the transform drops chunks.
+  const pipeAbortController = new AbortController();
+
+  // `Transformer.cancel` is part of the Streams spec (and supported at runtime),
+  // but not yet reflected in the ambient `Transformer` type, so widen it here.
+  const transformer: Transformer<
+    Experimental_TranscriptionModelV4StreamPart,
+    TranscriptionStreamPart
+  > & { cancel?: (reason?: unknown) => void } = {
+    transform(value, controller) {
+      switch (value.type) {
+        case 'stream-start': {
+          resolveWarnings(value.warnings);
+          break;
+        }
+
+        case 'response-metadata': {
+          response = {
+            timestamp: value.timestamp ?? currentResponseMetadata().timestamp,
+            modelId: value.modelId ?? currentResponseMetadata().modelId,
+            headers: value.headers ?? response?.headers,
+          };
+          break;
+        }
+
+        case 'transcript-delta':
+        case 'transcript-partial':
+        case 'transcript-final':
+        case 'raw':
+        case 'error': {
+          controller.enqueue(value);
+          break;
+        }
+
+        case 'finish': {
+          if (!warningsPromise.isResolved()) {
+            resolveWarnings([]);
+          }
+
+          if (!value.text) {
+            throw new NoTranscriptGeneratedError({
+              responses: [currentResponseMetadata()],
+            });
+          }
+
+          textPromise.resolve(value.text);
+          segmentsPromise.resolve(value.segments);
+          languagePromise.resolve(value.language);
+          durationInSecondsPromise.resolve(value.durationInSeconds);
+          responsesPromise.resolve([currentResponseMetadata()]);
+          providerMetadataPromise.resolve(value.providerMetadata ?? {});
+          break;
+        }
+      }
+    },
+
+    flush() {
+      if (textPromise.isPending()) {
+        throw new NoTranscriptGeneratedError({
+          responses: [currentResponseMetadata()],
+        });
+      }
+    },
+
+    cancel(reason) {
+      pipeAbortController.abort(
+        reason ?? new Error('Transcription stream was cancelled.'),
+      );
+    },
+  };
+
+  const transform = new TransformStream<
+    Experimental_TranscriptionModelV4StreamPart,
+    TranscriptionStreamPart
+  >(transformer);
+
+  // Piping (instead of an eager read loop) preserves consumer backpressure
+  // and propagates cancellation of `fullStream` to the model stream.
+  void (async () => {
+    const result = await doStream({
+      audio,
+      inputAudioFormat,
+      providerOptions,
+      abortSignal,
+      headers: headersWithUserAgent,
+      includeRawChunks,
+    });
+
+    response = {
+      timestamp: result.response?.timestamp ?? startedAt,
+      modelId: result.response?.modelId ?? resolvedModel.modelId,
+      headers: result.response?.headers,
+    };
+
+    await result.stream.pipeTo(transform.writable, {
+      signal: pipeAbortController.signal,
+    });
+  })().catch(error => {
+    const reason =
+      error ?? new Error('Transcription stream was cancelled or errored.');
+    rejectPendingPromises(reason);
+    transform.writable.abort(reason).catch(() => {
+      // the writable is already errored when the model stream failed mid-pipe
+    });
+  });
+
+  return {
+    get text() {
+      return textPromise.promise;
+    },
+    get segments() {
+      return segmentsPromise.promise;
+    },
+    get language() {
+      return languagePromise.promise;
+    },
+    get durationInSeconds() {
+      return durationInSecondsPromise.promise;
+    },
+    get warnings() {
+      return warningsPromise.promise;
+    },
+    get responses() {
+      return responsesPromise.promise;
+    },
+    get providerMetadata() {
+      return providerMetadataPromise.promise;
+    },
+    // `transform.readable` is fresh and exclusively owned here, so attach the
+    // async iterator in place rather than piping through another transform.
+    // The extra transform (as `createAsyncIterableStream` would add) chains two
+    // transforms fed by the active model pipe below and surfaces a spurious
+    // unhandled `undefined` rejection when the consumer cancels early on
+    // Node.js 26.
+    fullStream: asAsyncIterableStream(transform.readable),
+  };
+}

dist/test/index.d.ts

@@ -199,6 +199,8 @@ export { convertArrayToAsyncIterable, convertArrayToReadableStream, convertReadableStreamToArray, mockId } from '@ai-sdk/provider-utils/test';
     doGenerate: TranscriptionModelV4['doGenerate'];
-    constructor({ provider, modelId, doGenerate, }?: {
+    doStream: TranscriptionModelV4['doStream'];
+    constructor({ provider, modelId, doGenerate, doStream, }?: {
         provider?: TranscriptionModelV4['provider'];
         modelId?: TranscriptionModelV4['modelId'];
         doGenerate?: TranscriptionModelV4['doGenerate'];
+        doStream?: TranscriptionModelV4['doStream'];
     });
@@ -205,0 +207,0 @@ }

dist/test/index.js

@@ -371,3 +371,4 @@ // src/util/simulate-readable-stream.ts
     modelId = "mock-model-id",
-    doGenerate = notImplemented
+    doGenerate = notImplemented,
+    doStream
   } = {}) {
@@ -378,2 +379,3 @@ this.specificationVersion = "v4";
     this.doGenerate = doGenerate;
+    this.doStream = doStream;
   }
@@ -380,0 +382,0 @@ };

dist/test/index.js.map

@@ -1,1 +0,1 @@
-{"version":3,"sources":["../../src/util/simulate-readable-stream.ts","../../test/index.ts","../../src/test/not-implemented.ts","../../src/test/mock-embedding-model-v3.ts","../../src/test/mock-embedding-model-v4.ts","../../src/test/mock-image-model-v3.ts","../../src/test/mock-image-model-v4.ts","../../src/test/mock-language-model-v3.ts","../../src/test/mock-language-model-v4.ts","../../src/test/mock-provider-v3.ts","../../src/test/mock-provider-v4.ts","../../src/test/mock-speech-model-v3.ts","../../src/test/mock-speech-model-v4.ts","../../src/test/mock-transcription-model-v3.ts","../../src/test/mock-transcription-model-v4.ts","../../src/test/mock-reranking-model-v3.ts","../../src/test/mock-reranking-model-v4.ts","../../src/test/mock-video-model-v3.ts","../../src/test/mock-video-model-v4.ts","../../src/test/mock-values.ts"],"sourcesContent":["import { delay as delayFunction } from '@ai-sdk/provider-utils';\n\n/**\n * Creates a ReadableStream that emits the provided values with an optional delay between each value.\n *\n * @param options - The configuration options\n * @param options.chunks - Array of values to be emitted by the stream\n * @param options.initialDelayInMs - Optional initial delay in milliseconds before emitting the first value (default: 0). Can be set to `null` to skip the initial delay. The difference between `initialDelayInMs: null` and `initialDelayInMs: 0` is that `initialDelayInMs: null` will emit the values without any delay, while `initialDelayInMs: 0` will emit the values with a delay of 0 milliseconds.\n * @param options.chunkDelayInMs - Optional delay in milliseconds between emitting each value (default: 0). Can be set to `null` to skip the delay. The difference between `chunkDelayInMs: null` and `chunkDelayInMs: 0` is that `chunkDelayInMs: null` will emit the values without any delay, while `chunkDelayInMs: 0` will emit the values with a delay of 0 milliseconds.\n * @returns A ReadableStream that emits the provided values\n */\nexport function simulateReadableStream<T>({\n  chunks,\n  initialDelayInMs = 0,\n  chunkDelayInMs = 0,\n  _internal,\n}: {\n  chunks: T[];\n  initialDelayInMs?: number | null;\n  chunkDelayInMs?: number | null;\n  _internal?: {\n    delay?: (ms: number | null) => Promise<void>;\n  };\n}): ReadableStream<T> {\n  const delay = _internal?.delay ?? delayFunction;\n\n  let index = 0;\n\n  return new ReadableStream({\n    async pull(controller) {\n      if (index < chunks.length) {\n        await delay(index === 0 ? initialDelayInMs : chunkDelayInMs);\n        controller.enqueue(chunks[index++]);\n      } else {\n        controller.close();\n      }\n    },\n  });\n}\n","import { simulateReadableStream as originalSimulateReadableStream } from '../src/util/simulate-readable-stream';\n\nexport {\n  convertArrayToAsyncIterable,\n  convertArrayToReadableStream,\n  convertReadableStreamToArray,\n  mockId,\n} from '@ai-sdk/provider-utils/test';\nexport { MockEmbeddingModelV3 } from '../src/test/mock-embedding-model-v3';\nexport { MockEmbeddingModelV4 } from '../src/test/mock-embedding-model-v4';\nexport { MockImageModelV3 } from '../src/test/mock-image-model-v3';\nexport { MockImageModelV4 } from '../src/test/mock-image-model-v4';\nexport { MockLanguageModelV3 } from '../src/test/mock-language-model-v3';\nexport { MockLanguageModelV4 } from '../src/test/mock-language-model-v4';\nexport { MockProviderV3 } from '../src/test/mock-provider-v3';\nexport { MockProviderV4 } from '../src/test/mock-provider-v4';\nexport { MockSpeechModelV3 } from '../src/test/mock-speech-model-v3';\nexport { MockSpeechModelV4 } from '../src/test/mock-speech-model-v4';\nexport { MockTranscriptionModelV3 } from '../src/test/mock-transcription-model-v3';\nexport { MockTranscriptionModelV4 } from '../src/test/mock-transcription-model-v4';\nexport { MockRerankingModelV3 } from '../src/test/mock-reranking-model-v3';\nexport { MockRerankingModelV4 } from '../src/test/mock-reranking-model-v4';\nexport { MockVideoModelV3 } from '../src/test/mock-video-model-v3';\nexport { MockVideoModelV4 } from '../src/test/mock-video-model-v4';\nexport { mockValues } from '../src/test/mock-values';\n\n/**\n * @deprecated Use `simulateReadableStream` from `ai` instead.\n */\nexport const simulateReadableStream = originalSimulateReadableStream;\n","export function notImplemented(): never {\n  throw new Error('Not implemented');\n}\n","import type { EmbeddingModelV3 } from '@ai-sdk/provider';\nimport { notImplemented } from './not-implemented';\n\nexport class MockEmbeddingModelV3 implements EmbeddingModelV3 {\n  readonly specificationVersion = 'v3';\n\n  readonly provider: EmbeddingModelV3['provider'];\n  readonly modelId: EmbeddingModelV3['modelId'];\n  readonly maxEmbeddingsPerCall: EmbeddingModelV3['maxEmbeddingsPerCall'];\n  readonly supportsParallelCalls: EmbeddingModelV3['supportsParallelCalls'];\n\n  doEmbed: EmbeddingModelV3['doEmbed'];\n\n  doEmbedCalls: Parameters<EmbeddingModelV3['doEmbed']>[0][] = [];\n\n  constructor({\n    provider = 'mock-provider',\n    modelId = 'mock-model-id',\n    maxEmbeddingsPerCall = 1,\n    supportsParallelCalls = false,\n    doEmbed = notImplemented,\n  }: {\n    provider?: EmbeddingModelV3['provider'];\n    modelId?: EmbeddingModelV3['modelId'];\n    maxEmbeddingsPerCall?: EmbeddingModelV3['maxEmbeddingsPerCall'] | null;\n    supportsParallelCalls?: EmbeddingModelV3['supportsParallelCalls'];\n    doEmbed?:\n      | EmbeddingModelV3['doEmbed']\n      | Awaited<ReturnType<EmbeddingModelV3['doEmbed']>>\n      | Awaited<ReturnType<EmbeddingModelV3['doEmbed']>>[];\n  } = {}) {\n    this.provider = provider;\n    this.modelId = modelId;\n    this.maxEmbeddingsPerCall = maxEmbeddingsPerCall ?? undefined;\n    this.supportsParallelCalls = supportsParallelCalls;\n    this.doEmbed = async options => {\n      this.doEmbedCalls.push(options);\n\n      if (typeof doEmbed === 'function') {\n        return doEmbed(options);\n      } else if (Array.isArray(doEmbed)) {\n        return doEmbed[this.doEmbedCalls.length - 1];\n      } else {\n        return doEmbed;\n      }\n    };\n  }\n}\n","import type { EmbeddingModelV4 } from '@ai-sdk/provider';\nimport { notImplemented } from './not-implemented';\n\nexport class MockEmbeddingModelV4 implements EmbeddingModelV4 {\n  readonly specificationVersion = 'v4';\n\n  readonly provider: EmbeddingModelV4['provider'];\n  readonly modelId: EmbeddingModelV4['modelId'];\n  readonly maxEmbeddingsPerCall: EmbeddingModelV4['maxEmbeddingsPerCall'];\n  readonly supportsParallelCalls: EmbeddingModelV4['supportsParallelCalls'];\n\n  doEmbed: EmbeddingModelV4['doEmbed'];\n\n  doEmbedCalls: Parameters<EmbeddingModelV4['doEmbed']>[0][] = [];\n\n  constructor({\n    provider = 'mock-provider',\n    modelId = 'mock-model-id',\n    maxEmbeddingsPerCall = 1,\n    supportsParallelCalls = false,\n    doEmbed = notImplemented,\n  }: {\n    provider?: EmbeddingModelV4['provider'];\n    modelId?: EmbeddingModelV4['modelId'];\n    maxEmbeddingsPerCall?: EmbeddingModelV4['maxEmbeddingsPerCall'] | null;\n    supportsParallelCalls?: EmbeddingModelV4['supportsParallelCalls'];\n    doEmbed?:\n      | EmbeddingModelV4['doEmbed']\n      | Awaited<ReturnType<EmbeddingModelV4['doEmbed']>>\n      | Awaited<ReturnType<EmbeddingModelV4['doEmbed']>>[];\n  } = {}) {\n    this.provider = provider;\n    this.modelId = modelId;\n    this.maxEmbeddingsPerCall = maxEmbeddingsPerCall ?? undefined;\n    this.supportsParallelCalls = supportsParallelCalls;\n    this.doEmbed = async options => {\n      this.doEmbedCalls.push(options);\n\n      if (typeof doEmbed === 'function') {\n        return doEmbed(options);\n      } else if (Array.isArray(doEmbed)) {\n        return doEmbed[this.doEmbedCalls.length - 1];\n      } else {\n        return doEmbed;\n      }\n    };\n  }\n}\n","import type { ImageModelV3 } from '@ai-sdk/provider';\nimport { notImplemented } from './not-implemented';\n\nexport class MockImageModelV3 implements ImageModelV3 {\n  readonly specificationVersion = 'v3';\n  readonly provider: ImageModelV3['provider'];\n  readonly modelId: ImageModelV3['modelId'];\n  readonly maxImagesPerCall: ImageModelV3['maxImagesPerCall'];\n\n  doGenerate: ImageModelV3['doGenerate'];\n\n  constructor({\n    provider = 'mock-provider',\n    modelId = 'mock-model-id',\n    maxImagesPerCall = 1,\n    doGenerate = notImplemented,\n  }: {\n    provider?: ImageModelV3['provider'];\n    modelId?: ImageModelV3['modelId'];\n    maxImagesPerCall?: ImageModelV3['maxImagesPerCall'];\n    doGenerate?: ImageModelV3['doGenerate'];\n  } = {}) {\n    this.provider = provider;\n    this.modelId = modelId;\n    this.maxImagesPerCall = maxImagesPerCall;\n    this.doGenerate = doGenerate;\n  }\n}\n","import type { ImageModelV4 } from '@ai-sdk/provider';\nimport { notImplemented } from './not-implemented';\n\nexport class MockImageModelV4 implements ImageModelV4 {\n  readonly specificationVersion = 'v4';\n  readonly provider: ImageModelV4['provider'];\n  readonly modelId: ImageModelV4['modelId'];\n  readonly maxImagesPerCall: ImageModelV4['maxImagesPerCall'];\n\n  doGenerate: ImageModelV4['doGenerate'];\n\n  constructor({\n    provider = 'mock-provider',\n    modelId = 'mock-model-id',\n    maxImagesPerCall = 1,\n    doGenerate = notImplemented,\n  }: {\n    provider?: ImageModelV4['provider'];\n    modelId?: ImageModelV4['modelId'];\n    maxImagesPerCall?: ImageModelV4['maxImagesPerCall'];\n    doGenerate?: ImageModelV4['doGenerate'];\n  } = {}) {\n    this.provider = provider;\n    this.modelId = modelId;\n    this.maxImagesPerCall = maxImagesPerCall;\n    this.doGenerate = doGenerate;\n  }\n}\n","import type {\n  LanguageModelV3,\n  LanguageModelV3CallOptions,\n  LanguageModelV3GenerateResult,\n  LanguageModelV3StreamResult,\n} from '@ai-sdk/provider';\nimport { notImplemented } from './not-implemented';\n\nexport class MockLanguageModelV3 implements LanguageModelV3 {\n  readonly specificationVersion = 'v3';\n\n  private _supportedUrls: () => LanguageModelV3['supportedUrls'];\n\n  readonly provider: LanguageModelV3['provider'];\n  readonly modelId: LanguageModelV3['modelId'];\n\n  doGenerate: LanguageModelV3['doGenerate'];\n  doStream: LanguageModelV3['doStream'];\n\n  doGenerateCalls: LanguageModelV3CallOptions[] = [];\n  doStreamCalls: LanguageModelV3CallOptions[] = [];\n\n  constructor({\n    provider = 'mock-provider',\n    modelId = 'mock-model-id',\n    supportedUrls = {},\n    doGenerate = notImplemented,\n    doStream = notImplemented,\n  }: {\n    provider?: LanguageModelV3['provider'];\n    modelId?: LanguageModelV3['modelId'];\n    supportedUrls?:\n      | LanguageModelV3['supportedUrls']\n      | (() => LanguageModelV3['supportedUrls']);\n    doGenerate?:\n      | LanguageModelV3['doGenerate']\n      | LanguageModelV3GenerateResult\n      | LanguageModelV3GenerateResult[];\n    doStream?:\n      | LanguageModelV3['doStream']\n      | LanguageModelV3StreamResult\n      | LanguageModelV3StreamResult[];\n  } = {}) {\n    this.provider = provider;\n    this.modelId = modelId;\n    this.doGenerate = async options => {\n      this.doGenerateCalls.push(options);\n\n      if (typeof doGenerate === 'function') {\n        return await doGenerate(options);\n      } else if (Array.isArray(doGenerate)) {\n        return doGenerate[this.doGenerateCalls.length - 1];\n      } else {\n        return doGenerate;\n      }\n    };\n    this.doStream = async options => {\n      this.doStreamCalls.push(options);\n\n      if (typeof doStream === 'function') {\n        return await doStream(options);\n      } else if (Array.isArray(doStream)) {\n        return doStream[this.doStreamCalls.length - 1];\n      } else {\n        return doStream;\n      }\n    };\n    this._supportedUrls =\n      typeof supportedUrls === 'function'\n        ? supportedUrls\n        : async () => await supportedUrls;\n  }\n\n  get supportedUrls() {\n    return this._supportedUrls();\n  }\n}\n","import type {\n  LanguageModelV4,\n  LanguageModelV4CallOptions,\n  LanguageModelV4GenerateResult,\n  LanguageModelV4StreamResult,\n} from '@ai-sdk/provider';\nimport { notImplemented } from './not-implemented';\n\nexport class MockLanguageModelV4 implements LanguageModelV4 {\n  readonly specificationVersion = 'v4';\n\n  private _supportedUrls: () => LanguageModelV4['supportedUrls'];\n\n  readonly provider: LanguageModelV4['provider'];\n  readonly modelId: LanguageModelV4['modelId'];\n\n  doGenerate: LanguageModelV4['doGenerate'];\n  doStream: LanguageModelV4['doStream'];\n\n  doGenerateCalls: LanguageModelV4CallOptions[] = [];\n  doStreamCalls: LanguageModelV4CallOptions[] = [];\n\n  constructor({\n    provider = 'mock-provider',\n    modelId = 'mock-model-id',\n    supportedUrls = {},\n    doGenerate = notImplemented,\n    doStream = notImplemented,\n  }: {\n    provider?: LanguageModelV4['provider'];\n    modelId?: LanguageModelV4['modelId'];\n    supportedUrls?:\n      | LanguageModelV4['supportedUrls']\n      | (() => LanguageModelV4['supportedUrls']);\n    doGenerate?:\n      | LanguageModelV4['doGenerate']\n      | LanguageModelV4GenerateResult\n      | LanguageModelV4GenerateResult[];\n    doStream?:\n      | LanguageModelV4['doStream']\n      | LanguageModelV4StreamResult\n      | LanguageModelV4StreamResult[];\n  } = {}) {\n    this.provider = provider;\n    this.modelId = modelId;\n    this.doGenerate = async options => {\n      this.doGenerateCalls.push(options);\n\n      if (typeof doGenerate === 'function') {\n        return await doGenerate(options);\n      } else if (Array.isArray(doGenerate)) {\n        return doGenerate[this.doGenerateCalls.length - 1];\n      } else {\n        return doGenerate;\n      }\n    };\n    this.doStream = async options => {\n      this.doStreamCalls.push(options);\n\n      if (typeof doStream === 'function') {\n        return await doStream(options);\n      } else if (Array.isArray(doStream)) {\n        return doStream[this.doStreamCalls.length - 1];\n      } else {\n        return doStream;\n      }\n    };\n    this._supportedUrls =\n      typeof supportedUrls === 'function'\n        ? supportedUrls\n        : async () => await supportedUrls;\n  }\n\n  get supportedUrls() {\n    return this._supportedUrls();\n  }\n}\n","import {\n  NoSuchModelError,\n  type EmbeddingModelV3,\n  type ImageModelV3,\n  type LanguageModelV3,\n  type ProviderV3,\n  type SpeechModelV3,\n  type TranscriptionModelV3,\n  type RerankingModelV3,\n} from '@ai-sdk/provider';\nexport class MockProviderV3 implements ProviderV3 {\n  readonly specificationVersion = 'v3' as const;\n\n  languageModel: ProviderV3['languageModel'];\n  embeddingModel: ProviderV3['embeddingModel'];\n  imageModel: ProviderV3['imageModel'];\n  transcriptionModel: ProviderV3['transcriptionModel'];\n  speechModel: ProviderV3['speechModel'];\n  rerankingModel: ProviderV3['rerankingModel'];\n\n  constructor({\n    languageModels,\n    embeddingModels,\n    imageModels,\n    transcriptionModels,\n    speechModels,\n    rerankingModels,\n  }: {\n    languageModels?: Record<string, LanguageModelV3>;\n    embeddingModels?: Record<string, EmbeddingModelV3>;\n    imageModels?: Record<string, ImageModelV3>;\n    transcriptionModels?: Record<string, TranscriptionModelV3>;\n    speechModels?: Record<string, SpeechModelV3>;\n    rerankingModels?: Record<string, RerankingModelV3>;\n  } = {}) {\n    this.languageModel = (modelId: string) => {\n      if (!languageModels?.[modelId]) {\n        throw new NoSuchModelError({ modelId, modelType: 'languageModel' });\n      }\n      return languageModels[modelId];\n    };\n    this.embeddingModel = (modelId: string) => {\n      if (!embeddingModels?.[modelId]) {\n        throw new NoSuchModelError({\n          modelId,\n          modelType: 'embeddingModel',\n        });\n      }\n      return embeddingModels[modelId];\n    };\n    this.imageModel = (modelId: string) => {\n      if (!imageModels?.[modelId]) {\n        throw new NoSuchModelError({ modelId, modelType: 'imageModel' });\n      }\n      return imageModels[modelId];\n    };\n    this.transcriptionModel = (modelId: string) => {\n      if (!transcriptionModels?.[modelId]) {\n        throw new NoSuchModelError({\n          modelId,\n          modelType: 'transcriptionModel',\n        });\n      }\n      return transcriptionModels[modelId];\n    };\n    this.speechModel = (modelId: string): SpeechModelV3 => {\n      if (!speechModels?.[modelId]) {\n        throw new NoSuchModelError({ modelId, modelType: 'speechModel' });\n      }\n      return speechModels[modelId];\n    };\n    this.rerankingModel = (modelId: string) => {\n      if (!rerankingModels?.[modelId]) {\n        throw new NoSuchModelError({ modelId, modelType: 'rerankingModel' });\n      }\n      return rerankingModels[modelId];\n    };\n  }\n}\n","import {\n  NoSuchModelError,\n  type EmbeddingModelV4,\n  type ImageModelV4,\n  type LanguageModelV4,\n  type ProviderV4,\n  type SpeechModelV4,\n  type TranscriptionModelV4,\n  type RerankingModelV4,\n} from '@ai-sdk/provider';\nexport class MockProviderV4 implements ProviderV4 {\n  readonly specificationVersion = 'v4' as const;\n\n  languageModel: ProviderV4['languageModel'];\n  embeddingModel: ProviderV4['embeddingModel'];\n  imageModel: ProviderV4['imageModel'];\n  transcriptionModel: ProviderV4['transcriptionModel'];\n  speechModel: ProviderV4['speechModel'];\n  rerankingModel: ProviderV4['rerankingModel'];\n\n  constructor({\n    languageModels,\n    embeddingModels,\n    imageModels,\n    transcriptionModels,\n    speechModels,\n    rerankingModels,\n  }: {\n    languageModels?: Record<string, LanguageModelV4>;\n    embeddingModels?: Record<string, EmbeddingModelV4>;\n    imageModels?: Record<string, ImageModelV4>;\n    transcriptionModels?: Record<string, TranscriptionModelV4>;\n    speechModels?: Record<string, SpeechModelV4>;\n    rerankingModels?: Record<string, RerankingModelV4>;\n  } = {}) {\n    this.languageModel = (modelId: string) => {\n      if (!languageModels?.[modelId]) {\n        throw new NoSuchModelError({ modelId, modelType: 'languageModel' });\n      }\n      return languageModels[modelId];\n    };\n    this.embeddingModel = (modelId: string) => {\n      if (!embeddingModels?.[modelId]) {\n        throw new NoSuchModelError({\n          modelId,\n          modelType: 'embeddingModel',\n        });\n      }\n      return embeddingModels[modelId];\n    };\n    this.imageModel = (modelId: string) => {\n      if (!imageModels?.[modelId]) {\n        throw new NoSuchModelError({ modelId, modelType: 'imageModel' });\n      }\n      return imageModels[modelId];\n    };\n    this.transcriptionModel = (modelId: string) => {\n      if (!transcriptionModels?.[modelId]) {\n        throw new NoSuchModelError({\n          modelId,\n          modelType: 'transcriptionModel',\n        });\n      }\n      return transcriptionModels[modelId];\n    };\n    this.speechModel = (modelId: string): SpeechModelV4 => {\n      if (!speechModels?.[modelId]) {\n        throw new NoSuchModelError({ modelId, modelType: 'speechModel' });\n      }\n      return speechModels[modelId];\n    };\n    this.rerankingModel = (modelId: string) => {\n      if (!rerankingModels?.[modelId]) {\n        throw new NoSuchModelError({ modelId, modelType: 'rerankingModel' });\n      }\n      return rerankingModels[modelId];\n    };\n  }\n}\n","import type { SpeechModelV3 } from '@ai-sdk/provider';\nimport { notImplemented } from './not-implemented';\n\nexport class MockSpeechModelV3 implements SpeechModelV3 {\n  readonly specificationVersion = 'v3';\n  readonly provider: SpeechModelV3['provider'];\n  readonly modelId: SpeechModelV3['modelId'];\n\n  doGenerate: SpeechModelV3['doGenerate'];\n\n  constructor({\n    provider = 'mock-provider',\n    modelId = 'mock-model-id',\n    doGenerate = notImplemented,\n  }: {\n    provider?: SpeechModelV3['provider'];\n    modelId?: SpeechModelV3['modelId'];\n    doGenerate?: SpeechModelV3['doGenerate'];\n  } = {}) {\n    this.provider = provider;\n    this.modelId = modelId;\n    this.doGenerate = doGenerate;\n  }\n}\n","import type { SpeechModelV4 } from '@ai-sdk/provider';\nimport { notImplemented } from './not-implemented';\n\nexport class MockSpeechModelV4 implements SpeechModelV4 {\n  readonly specificationVersion = 'v4';\n  readonly provider: SpeechModelV4['provider'];\n  readonly modelId: SpeechModelV4['modelId'];\n\n  doGenerate: SpeechModelV4['doGenerate'];\n\n  constructor({\n    provider = 'mock-provider',\n    modelId = 'mock-model-id',\n    doGenerate = notImplemented,\n  }: {\n    provider?: SpeechModelV4['provider'];\n    modelId?: SpeechModelV4['modelId'];\n    doGenerate?: SpeechModelV4['doGenerate'];\n  } = {}) {\n    this.provider = provider;\n    this.modelId = modelId;\n    this.doGenerate = doGenerate;\n  }\n}\n","import type { TranscriptionModelV3 } from '@ai-sdk/provider';\nimport { notImplemented } from './not-implemented';\n\nexport class MockTranscriptionModelV3 implements TranscriptionModelV3 {\n  readonly specificationVersion = 'v3';\n  readonly provider: TranscriptionModelV3['provider'];\n  readonly modelId: TranscriptionModelV3['modelId'];\n\n  doGenerate: TranscriptionModelV3['doGenerate'];\n\n  constructor({\n    provider = 'mock-provider',\n    modelId = 'mock-model-id',\n    doGenerate = notImplemented,\n  }: {\n    provider?: TranscriptionModelV3['provider'];\n    modelId?: TranscriptionModelV3['modelId'];\n    doGenerate?: TranscriptionModelV3['doGenerate'];\n  } = {}) {\n    this.provider = provider;\n    this.modelId = modelId;\n    this.doGenerate = doGenerate;\n  }\n}\n","import type { TranscriptionModelV4 } from '@ai-sdk/provider';\nimport { notImplemented } from './not-implemented';\n\nexport class MockTranscriptionModelV4 implements TranscriptionModelV4 {\n  readonly specificationVersion = 'v4';\n  readonly provider: TranscriptionModelV4['provider'];\n  readonly modelId: TranscriptionModelV4['modelId'];\n\n  doGenerate: TranscriptionModelV4['doGenerate'];\n\n  constructor({\n    provider = 'mock-provider',\n    modelId = 'mock-model-id',\n    doGenerate = notImplemented,\n  }: {\n    provider?: TranscriptionModelV4['provider'];\n    modelId?: TranscriptionModelV4['modelId'];\n    doGenerate?: TranscriptionModelV4['doGenerate'];\n  } = {}) {\n    this.provider = provider;\n    this.modelId = modelId;\n    this.doGenerate = doGenerate;\n  }\n}\n","import type { RerankingModelV3 } from '@ai-sdk/provider';\nimport { notImplemented } from './not-implemented';\n\nexport class MockRerankingModelV3 implements RerankingModelV3 {\n  readonly specificationVersion = 'v3';\n\n  readonly provider: RerankingModelV3['provider'];\n  readonly modelId: RerankingModelV3['modelId'];\n\n  doRerank: RerankingModelV3['doRerank'];\n\n  constructor({\n    provider = 'mock-provider',\n    modelId = 'mock-model-id',\n    doRerank = notImplemented,\n  }: {\n    provider?: RerankingModelV3['provider'];\n    modelId?: RerankingModelV3['modelId'];\n    doRerank?: RerankingModelV3['doRerank'];\n  } = {}) {\n    this.provider = provider;\n    this.modelId = modelId;\n    this.doRerank = doRerank;\n  }\n}\n","import type { RerankingModelV4 } from '@ai-sdk/provider';\nimport { notImplemented } from './not-implemented';\n\nexport class MockRerankingModelV4 implements RerankingModelV4 {\n  readonly specificationVersion = 'v4';\n\n  readonly provider: RerankingModelV4['provider'];\n  readonly modelId: RerankingModelV4['modelId'];\n\n  doRerank: RerankingModelV4['doRerank'];\n\n  constructor({\n    provider = 'mock-provider',\n    modelId = 'mock-model-id',\n    doRerank = notImplemented,\n  }: {\n    provider?: RerankingModelV4['provider'];\n    modelId?: RerankingModelV4['modelId'];\n    doRerank?: RerankingModelV4['doRerank'];\n  } = {}) {\n    this.provider = provider;\n    this.modelId = modelId;\n    this.doRerank = doRerank;\n  }\n}\n","import type { Experimental_VideoModelV3 } from '@ai-sdk/provider';\nimport { notImplemented } from './not-implemented';\n\nexport class MockVideoModelV3 implements Experimental_VideoModelV3 {\n  readonly specificationVersion = 'v3';\n  readonly provider: Experimental_VideoModelV3['provider'];\n  readonly modelId: Experimental_VideoModelV3['modelId'];\n  readonly maxVideosPerCall: Experimental_VideoModelV3['maxVideosPerCall'];\n\n  doGenerate: Experimental_VideoModelV3['doGenerate'];\n\n  constructor({\n    provider = 'mock-provider',\n    modelId = 'mock-model-id',\n    maxVideosPerCall = 1,\n    doGenerate = notImplemented,\n  }: {\n    provider?: Experimental_VideoModelV3['provider'];\n    modelId?: Experimental_VideoModelV3['modelId'];\n    maxVideosPerCall?: Experimental_VideoModelV3['maxVideosPerCall'];\n    doGenerate?: Experimental_VideoModelV3['doGenerate'];\n  } = {}) {\n    this.provider = provider;\n    this.modelId = modelId;\n    this.maxVideosPerCall = maxVideosPerCall;\n    this.doGenerate = doGenerate;\n  }\n}\n","import type { Experimental_VideoModelV4 } from '@ai-sdk/provider';\nimport { notImplemented } from './not-implemented';\n\nexport class MockVideoModelV4 implements Experimental_VideoModelV4 {\n  readonly specificationVersion = 'v4';\n  readonly provider: Experimental_VideoModelV4['provider'];\n  readonly modelId: Experimental_VideoModelV4['modelId'];\n  readonly maxVideosPerCall: Experimental_VideoModelV4['maxVideosPerCall'];\n\n  doGenerate: Experimental_VideoModelV4['doGenerate'];\n\n  constructor({\n    provider = 'mock-provider',\n    modelId = 'mock-model-id',\n    maxVideosPerCall = 1,\n    doGenerate = notImplemented,\n  }: {\n    provider?: Experimental_VideoModelV4['provider'];\n    modelId?: Experimental_VideoModelV4['modelId'];\n    maxVideosPerCall?: Experimental_VideoModelV4['maxVideosPerCall'];\n    doGenerate?: Experimental_VideoModelV4['doGenerate'];\n  } = {}) {\n    this.provider = provider;\n    this.modelId = modelId;\n    this.maxVideosPerCall = maxVideosPerCall;\n    this.doGenerate = doGenerate;\n  }\n}\n","export function mockValues<T>(...values: T[]): () => T {\n  let counter = 0;\n  return () => values[counter++] ?? values[values.length - 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Can be set to `null` to skip the initial delay. The difference between `initialDelayInMs: null` and `initialDelayInMs: 0` is that `initialDelayInMs: null` will emit the values without any delay, while `initialDelayInMs: 0` will emit the values with a delay of 0 milliseconds.\n * @param options.chunkDelayInMs - Optional delay in milliseconds between emitting each value (default: 0). Can be set to `null` to skip the delay. 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originalSimulateReadableStream } from '../src/util/simulate-readable-stream';\n\nexport {\n  convertArrayToAsyncIterable,\n  convertArrayToReadableStream,\n  convertReadableStreamToArray,\n  mockId,\n} from '@ai-sdk/provider-utils/test';\nexport { MockEmbeddingModelV3 } from '../src/test/mock-embedding-model-v3';\nexport { MockEmbeddingModelV4 } from '../src/test/mock-embedding-model-v4';\nexport { MockImageModelV3 } from '../src/test/mock-image-model-v3';\nexport { MockImageModelV4 } from '../src/test/mock-image-model-v4';\nexport { MockLanguageModelV3 } from '../src/test/mock-language-model-v3';\nexport { MockLanguageModelV4 } from '../src/test/mock-language-model-v4';\nexport { MockProviderV3 } from '../src/test/mock-provider-v3';\nexport { MockProviderV4 } from '../src/test/mock-provider-v4';\nexport { MockSpeechModelV3 } from '../src/test/mock-speech-model-v3';\nexport { MockSpeechModelV4 } from '../src/test/mock-speech-model-v4';\nexport { MockTranscriptionModelV3 } from '../src/test/mock-transcription-model-v3';\nexport { MockTranscriptionModelV4 } from '../src/test/mock-transcription-model-v4';\nexport { MockRerankingModelV3 } from '../src/test/mock-reranking-model-v3';\nexport { MockRerankingModelV4 } from '../src/test/mock-reranking-model-v4';\nexport { MockVideoModelV3 } from '../src/test/mock-video-model-v3';\nexport { MockVideoModelV4 } from '../src/test/mock-video-model-v4';\nexport { mockValues } from '../src/test/mock-values';\n\n/**\n * @deprecated Use `simulateReadableStream` from `ai` instead.\n */\nexport const simulateReadableStream = originalSimulateReadableStream;\n","export function notImplemented(): never {\n  throw new Error('Not implemented');\n}\n","import type { EmbeddingModelV3 } from '@ai-sdk/provider';\nimport { notImplemented } from './not-implemented';\n\nexport class MockEmbeddingModelV3 implements EmbeddingModelV3 {\n  readonly specificationVersion = 'v3';\n\n  readonly provider: EmbeddingModelV3['provider'];\n  readonly modelId: EmbeddingModelV3['modelId'];\n  readonly maxEmbeddingsPerCall: EmbeddingModelV3['maxEmbeddingsPerCall'];\n  readonly supportsParallelCalls: EmbeddingModelV3['supportsParallelCalls'];\n\n  doEmbed: EmbeddingModelV3['doEmbed'];\n\n  doEmbedCalls: Parameters<EmbeddingModelV3['doEmbed']>[0][] = [];\n\n  constructor({\n    provider = 'mock-provider',\n    modelId = 'mock-model-id',\n    maxEmbeddingsPerCall = 1,\n    supportsParallelCalls = false,\n    doEmbed = notImplemented,\n  }: {\n    provider?: EmbeddingModelV3['provider'];\n    modelId?: EmbeddingModelV3['modelId'];\n    maxEmbeddingsPerCall?: EmbeddingModelV3['maxEmbeddingsPerCall'] | null;\n    supportsParallelCalls?: EmbeddingModelV3['supportsParallelCalls'];\n    doEmbed?:\n      | EmbeddingModelV3['doEmbed']\n      | Awaited<ReturnType<EmbeddingModelV3['doEmbed']>>\n      | Awaited<ReturnType<EmbeddingModelV3['doEmbed']>>[];\n  } = {}) {\n    this.provider = provider;\n    this.modelId = modelId;\n    this.maxEmbeddingsPerCall = maxEmbeddingsPerCall ?? undefined;\n    this.supportsParallelCalls = supportsParallelCalls;\n    this.doEmbed = async options => {\n      this.doEmbedCalls.push(options);\n\n      if (typeof doEmbed === 'function') {\n        return doEmbed(options);\n      } else if (Array.isArray(doEmbed)) {\n        return doEmbed[this.doEmbedCalls.length - 1];\n      } else {\n        return doEmbed;\n      }\n    };\n  }\n}\n","import type { EmbeddingModelV4 } from '@ai-sdk/provider';\nimport { notImplemented } from './not-implemented';\n\nexport class MockEmbeddingModelV4 implements EmbeddingModelV4 {\n  readonly specificationVersion = 'v4';\n\n  readonly provider: EmbeddingModelV4['provider'];\n  readonly modelId: EmbeddingModelV4['modelId'];\n  readonly maxEmbeddingsPerCall: EmbeddingModelV4['maxEmbeddingsPerCall'];\n  readonly supportsParallelCalls: EmbeddingModelV4['supportsParallelCalls'];\n\n  doEmbed: EmbeddingModelV4['doEmbed'];\n\n  doEmbedCalls: Parameters<EmbeddingModelV4['doEmbed']>[0][] = [];\n\n  constructor({\n    provider = 'mock-provider',\n    modelId = 'mock-model-id',\n    maxEmbeddingsPerCall = 1,\n    supportsParallelCalls = false,\n    doEmbed = notImplemented,\n  }: {\n    provider?: EmbeddingModelV4['provider'];\n    modelId?: EmbeddingModelV4['modelId'];\n    maxEmbeddingsPerCall?: EmbeddingModelV4['maxEmbeddingsPerCall'] | null;\n    supportsParallelCalls?: EmbeddingModelV4['supportsParallelCalls'];\n    doEmbed?:\n      | EmbeddingModelV4['doEmbed']\n      | Awaited<ReturnType<EmbeddingModelV4['doEmbed']>>\n      | Awaited<ReturnType<EmbeddingModelV4['doEmbed']>>[];\n  } = {}) {\n    this.provider = provider;\n    this.modelId = modelId;\n    this.maxEmbeddingsPerCall = maxEmbeddingsPerCall ?? undefined;\n    this.supportsParallelCalls = supportsParallelCalls;\n    this.doEmbed = async options => {\n      this.doEmbedCalls.push(options);\n\n      if (typeof doEmbed === 'function') {\n        return doEmbed(options);\n      } else if (Array.isArray(doEmbed)) {\n        return doEmbed[this.doEmbedCalls.length - 1];\n      } else {\n        return doEmbed;\n      }\n    };\n  }\n}\n","import type { ImageModelV3 } from '@ai-sdk/provider';\nimport { notImplemented } from './not-implemented';\n\nexport class MockImageModelV3 implements ImageModelV3 {\n  readonly specificationVersion = 'v3';\n  readonly provider: ImageModelV3['provider'];\n  readonly modelId: ImageModelV3['modelId'];\n  readonly maxImagesPerCall: ImageModelV3['maxImagesPerCall'];\n\n  doGenerate: ImageModelV3['doGenerate'];\n\n  constructor({\n    provider = 'mock-provider',\n    modelId = 'mock-model-id',\n    maxImagesPerCall = 1,\n    doGenerate = notImplemented,\n  }: {\n    provider?: ImageModelV3['provider'];\n    modelId?: ImageModelV3['modelId'];\n    maxImagesPerCall?: ImageModelV3['maxImagesPerCall'];\n    doGenerate?: ImageModelV3['doGenerate'];\n  } = {}) {\n    this.provider = provider;\n    this.modelId = modelId;\n    this.maxImagesPerCall = maxImagesPerCall;\n    this.doGenerate = doGenerate;\n  }\n}\n","import type { ImageModelV4 } from '@ai-sdk/provider';\nimport { notImplemented } from './not-implemented';\n\nexport class MockImageModelV4 implements ImageModelV4 {\n  readonly specificationVersion = 'v4';\n  readonly provider: ImageModelV4['provider'];\n  readonly modelId: ImageModelV4['modelId'];\n  readonly maxImagesPerCall: ImageModelV4['maxImagesPerCall'];\n\n  doGenerate: ImageModelV4['doGenerate'];\n\n  constructor({\n    provider = 'mock-provider',\n    modelId = 'mock-model-id',\n    maxImagesPerCall = 1,\n    doGenerate = notImplemented,\n  }: {\n    provider?: ImageModelV4['provider'];\n    modelId?: ImageModelV4['modelId'];\n    maxImagesPerCall?: ImageModelV4['maxImagesPerCall'];\n    doGenerate?: ImageModelV4['doGenerate'];\n  } = {}) {\n    this.provider = provider;\n    this.modelId = modelId;\n    this.maxImagesPerCall = maxImagesPerCall;\n    this.doGenerate = doGenerate;\n  }\n}\n","import type {\n  LanguageModelV3,\n  LanguageModelV3CallOptions,\n  LanguageModelV3GenerateResult,\n  LanguageModelV3StreamResult,\n} from '@ai-sdk/provider';\nimport { notImplemented } from './not-implemented';\n\nexport class MockLanguageModelV3 implements LanguageModelV3 {\n  readonly specificationVersion = 'v3';\n\n  private _supportedUrls: () => LanguageModelV3['supportedUrls'];\n\n  readonly provider: LanguageModelV3['provider'];\n  readonly modelId: LanguageModelV3['modelId'];\n\n  doGenerate: LanguageModelV3['doGenerate'];\n  doStream: LanguageModelV3['doStream'];\n\n  doGenerateCalls: LanguageModelV3CallOptions[] = [];\n  doStreamCalls: LanguageModelV3CallOptions[] = [];\n\n  constructor({\n    provider = 'mock-provider',\n    modelId = 'mock-model-id',\n    supportedUrls = {},\n    doGenerate = notImplemented,\n    doStream = notImplemented,\n  }: {\n    provider?: LanguageModelV3['provider'];\n    modelId?: LanguageModelV3['modelId'];\n    supportedUrls?:\n      | LanguageModelV3['supportedUrls']\n      | (() => LanguageModelV3['supportedUrls']);\n    doGenerate?:\n      | LanguageModelV3['doGenerate']\n      | LanguageModelV3GenerateResult\n      | LanguageModelV3GenerateResult[];\n    doStream?:\n      | LanguageModelV3['doStream']\n      | LanguageModelV3StreamResult\n      | LanguageModelV3StreamResult[];\n  } = {}) {\n    this.provider = provider;\n    this.modelId = modelId;\n    this.doGenerate = async options => {\n      this.doGenerateCalls.push(options);\n\n      if (typeof doGenerate === 'function') {\n        return await doGenerate(options);\n      } else if (Array.isArray(doGenerate)) {\n        return doGenerate[this.doGenerateCalls.length - 1];\n      } else {\n        return doGenerate;\n      }\n    };\n    this.doStream = async options => {\n      this.doStreamCalls.push(options);\n\n      if (typeof doStream === 'function') {\n        return await doStream(options);\n      } else if (Array.isArray(doStream)) {\n        return doStream[this.doStreamCalls.length - 1];\n      } else {\n        return doStream;\n      }\n    };\n    this._supportedUrls =\n      typeof supportedUrls === 'function'\n        ? supportedUrls\n        : async () => await supportedUrls;\n  }\n\n  get supportedUrls() {\n    return this._supportedUrls();\n  }\n}\n","import type {\n  LanguageModelV4,\n  LanguageModelV4CallOptions,\n  LanguageModelV4GenerateResult,\n  LanguageModelV4StreamResult,\n} from '@ai-sdk/provider';\nimport { notImplemented } from './not-implemented';\n\nexport class MockLanguageModelV4 implements LanguageModelV4 {\n  readonly specificationVersion = 'v4';\n\n  private _supportedUrls: () => LanguageModelV4['supportedUrls'];\n\n  readonly provider: LanguageModelV4['provider'];\n  readonly modelId: LanguageModelV4['modelId'];\n\n  doGenerate: LanguageModelV4['doGenerate'];\n  doStream: LanguageModelV4['doStream'];\n\n  doGenerateCalls: LanguageModelV4CallOptions[] = [];\n  doStreamCalls: LanguageModelV4CallOptions[] = [];\n\n  constructor({\n    provider = 'mock-provider',\n    modelId = 'mock-model-id',\n    supportedUrls = {},\n    doGenerate = notImplemented,\n    doStream = notImplemented,\n  }: {\n    provider?: LanguageModelV4['provider'];\n    modelId?: LanguageModelV4['modelId'];\n    supportedUrls?:\n      | LanguageModelV4['supportedUrls']\n      | (() => LanguageModelV4['supportedUrls']);\n    doGenerate?:\n      | LanguageModelV4['doGenerate']\n      | LanguageModelV4GenerateResult\n      | LanguageModelV4GenerateResult[];\n    doStream?:\n      | LanguageModelV4['doStream']\n      | LanguageModelV4StreamResult\n      | LanguageModelV4StreamResult[];\n  } = {}) {\n    this.provider = provider;\n    this.modelId = modelId;\n    this.doGenerate = async options => {\n      this.doGenerateCalls.push(options);\n\n      if (typeof doGenerate === 'function') {\n        return await doGenerate(options);\n      } else if (Array.isArray(doGenerate)) {\n        return doGenerate[this.doGenerateCalls.length - 1];\n      } else {\n        return doGenerate;\n      }\n    };\n    this.doStream = async options => {\n      this.doStreamCalls.push(options);\n\n      if (typeof doStream === 'function') {\n        return await doStream(options);\n      } else if (Array.isArray(doStream)) {\n        return doStream[this.doStreamCalls.length - 1];\n      } else {\n        return doStream;\n      }\n    };\n    this._supportedUrls =\n      typeof supportedUrls === 'function'\n        ? supportedUrls\n        : async () => await supportedUrls;\n  }\n\n  get supportedUrls() {\n    return this._supportedUrls();\n  }\n}\n","import {\n  NoSuchModelError,\n  type EmbeddingModelV3,\n  type ImageModelV3,\n  type LanguageModelV3,\n  type ProviderV3,\n  type SpeechModelV3,\n  type TranscriptionModelV3,\n  type RerankingModelV3,\n} from '@ai-sdk/provider';\nexport class MockProviderV3 implements ProviderV3 {\n  readonly specificationVersion = 'v3' as const;\n\n  languageModel: ProviderV3['languageModel'];\n  embeddingModel: ProviderV3['embeddingModel'];\n  imageModel: ProviderV3['imageModel'];\n  transcriptionModel: ProviderV3['transcriptionModel'];\n  speechModel: ProviderV3['speechModel'];\n  rerankingModel: ProviderV3['rerankingModel'];\n\n  constructor({\n    languageModels,\n    embeddingModels,\n    imageModels,\n    transcriptionModels,\n    speechModels,\n    rerankingModels,\n  }: {\n    languageModels?: Record<string, LanguageModelV3>;\n    embeddingModels?: Record<string, EmbeddingModelV3>;\n    imageModels?: Record<string, ImageModelV3>;\n    transcriptionModels?: Record<string, TranscriptionModelV3>;\n    speechModels?: Record<string, SpeechModelV3>;\n    rerankingModels?: Record<string, RerankingModelV3>;\n  } = {}) {\n    this.languageModel = (modelId: string) => {\n      if (!languageModels?.[modelId]) {\n        throw new NoSuchModelError({ modelId, modelType: 'languageModel' });\n      }\n      return languageModels[modelId];\n    };\n    this.embeddingModel = (modelId: string) => {\n      if (!embeddingModels?.[modelId]) {\n        throw new NoSuchModelError({\n          modelId,\n          modelType: 'embeddingModel',\n        });\n      }\n      return embeddingModels[modelId];\n    };\n    this.imageModel = (modelId: string) => {\n      if (!imageModels?.[modelId]) {\n        throw new NoSuchModelError({ modelId, modelType: 'imageModel' });\n      }\n      return imageModels[modelId];\n    };\n    this.transcriptionModel = (modelId: string) => {\n      if (!transcriptionModels?.[modelId]) {\n        throw new NoSuchModelError({\n          modelId,\n          modelType: 'transcriptionModel',\n        });\n      }\n      return transcriptionModels[modelId];\n    };\n    this.speechModel = (modelId: string): SpeechModelV3 => {\n      if (!speechModels?.[modelId]) {\n        throw new NoSuchModelError({ modelId, modelType: 'speechModel' });\n      }\n      return speechModels[modelId];\n    };\n    this.rerankingModel = (modelId: string) => {\n      if (!rerankingModels?.[modelId]) {\n        throw new NoSuchModelError({ modelId, modelType: 'rerankingModel' });\n      }\n      return rerankingModels[modelId];\n    };\n  }\n}\n","import {\n  NoSuchModelError,\n  type EmbeddingModelV4,\n  type ImageModelV4,\n  type LanguageModelV4,\n  type ProviderV4,\n  type SpeechModelV4,\n  type TranscriptionModelV4,\n  type RerankingModelV4,\n} from '@ai-sdk/provider';\nexport class MockProviderV4 implements ProviderV4 {\n  readonly specificationVersion = 'v4' as const;\n\n  languageModel: ProviderV4['languageModel'];\n  embeddingModel: ProviderV4['embeddingModel'];\n  imageModel: ProviderV4['imageModel'];\n  transcriptionModel: ProviderV4['transcriptionModel'];\n  speechModel: ProviderV4['speechModel'];\n  rerankingModel: ProviderV4['rerankingModel'];\n\n  constructor({\n    languageModels,\n    embeddingModels,\n    imageModels,\n    transcriptionModels,\n    speechModels,\n    rerankingModels,\n  }: {\n    languageModels?: Record<string, LanguageModelV4>;\n    embeddingModels?: Record<string, EmbeddingModelV4>;\n    imageModels?: Record<string, ImageModelV4>;\n    transcriptionModels?: Record<string, TranscriptionModelV4>;\n    speechModels?: Record<string, SpeechModelV4>;\n    rerankingModels?: Record<string, RerankingModelV4>;\n  } = {}) {\n    this.languageModel = (modelId: string) => {\n      if (!languageModels?.[modelId]) {\n        throw new NoSuchModelError({ modelId, modelType: 'languageModel' });\n      }\n      return languageModels[modelId];\n    };\n    this.embeddingModel = (modelId: string) => {\n      if (!embeddingModels?.[modelId]) {\n        throw new NoSuchModelError({\n          modelId,\n          modelType: 'embeddingModel',\n        });\n      }\n      return embeddingModels[modelId];\n    };\n    this.imageModel = (modelId: string) => {\n      if (!imageModels?.[modelId]) {\n        throw new NoSuchModelError({ modelId, modelType: 'imageModel' });\n      }\n      return imageModels[modelId];\n    };\n    this.transcriptionModel = (modelId: string) => {\n      if (!transcriptionModels?.[modelId]) {\n        throw new NoSuchModelError({\n          modelId,\n          modelType: 'transcriptionModel',\n        });\n      }\n      return transcriptionModels[modelId];\n    };\n    this.speechModel = (modelId: string): SpeechModelV4 => {\n      if (!speechModels?.[modelId]) {\n        throw new NoSuchModelError({ modelId, modelType: 'speechModel' });\n      }\n      return speechModels[modelId];\n    };\n    this.rerankingModel = (modelId: string) => {\n      if (!rerankingModels?.[modelId]) {\n        throw new NoSuchModelError({ modelId, modelType: 'rerankingModel' });\n      }\n      return rerankingModels[modelId];\n    };\n  }\n}\n","import type { SpeechModelV3 } from '@ai-sdk/provider';\nimport { notImplemented } from './not-implemented';\n\nexport class MockSpeechModelV3 implements SpeechModelV3 {\n  readonly specificationVersion = 'v3';\n  readonly provider: SpeechModelV3['provider'];\n  readonly modelId: SpeechModelV3['modelId'];\n\n  doGenerate: SpeechModelV3['doGenerate'];\n\n  constructor({\n    provider = 'mock-provider',\n    modelId = 'mock-model-id',\n    doGenerate = notImplemented,\n  }: {\n    provider?: SpeechModelV3['provider'];\n    modelId?: SpeechModelV3['modelId'];\n    doGenerate?: SpeechModelV3['doGenerate'];\n  } = {}) {\n    this.provider = provider;\n    this.modelId = modelId;\n    this.doGenerate = doGenerate;\n  }\n}\n","import type { SpeechModelV4 } from '@ai-sdk/provider';\nimport { notImplemented } from './not-implemented';\n\nexport class MockSpeechModelV4 implements SpeechModelV4 {\n  readonly specificationVersion = 'v4';\n  readonly provider: SpeechModelV4['provider'];\n  readonly modelId: SpeechModelV4['modelId'];\n\n  doGenerate: SpeechModelV4['doGenerate'];\n\n  constructor({\n    provider = 'mock-provider',\n    modelId = 'mock-model-id',\n    doGenerate = notImplemented,\n  }: {\n    provider?: SpeechModelV4['provider'];\n    modelId?: SpeechModelV4['modelId'];\n    doGenerate?: SpeechModelV4['doGenerate'];\n  } = {}) {\n    this.provider = provider;\n    this.modelId = modelId;\n    this.doGenerate = doGenerate;\n  }\n}\n","import type { TranscriptionModelV3 } from '@ai-sdk/provider';\nimport { notImplemented } from './not-implemented';\n\nexport class MockTranscriptionModelV3 implements TranscriptionModelV3 {\n  readonly specificationVersion = 'v3';\n  readonly provider: TranscriptionModelV3['provider'];\n  readonly modelId: TranscriptionModelV3['modelId'];\n\n  doGenerate: TranscriptionModelV3['doGenerate'];\n\n  constructor({\n    provider = 'mock-provider',\n    modelId = 'mock-model-id',\n    doGenerate = notImplemented,\n  }: {\n    provider?: TranscriptionModelV3['provider'];\n    modelId?: TranscriptionModelV3['modelId'];\n    doGenerate?: TranscriptionModelV3['doGenerate'];\n  } = {}) {\n    this.provider = provider;\n    this.modelId = modelId;\n    this.doGenerate = doGenerate;\n  }\n}\n","import type { TranscriptionModelV4 } from '@ai-sdk/provider';\nimport { notImplemented } from './not-implemented';\n\nexport class MockTranscriptionModelV4 implements TranscriptionModelV4 {\n  readonly specificationVersion = 'v4';\n  readonly provider: TranscriptionModelV4['provider'];\n  readonly modelId: TranscriptionModelV4['modelId'];\n\n  doGenerate: TranscriptionModelV4['doGenerate'];\n  doStream: TranscriptionModelV4['doStream'];\n\n  constructor({\n    provider = 'mock-provider',\n    modelId = 'mock-model-id',\n    doGenerate = notImplemented,\n    doStream,\n  }: {\n    provider?: TranscriptionModelV4['provider'];\n    modelId?: TranscriptionModelV4['modelId'];\n    doGenerate?: TranscriptionModelV4['doGenerate'];\n    doStream?: TranscriptionModelV4['doStream'];\n  } = {}) {\n    this.provider = provider;\n    this.modelId = modelId;\n    this.doGenerate = doGenerate;\n    this.doStream = doStream;\n  }\n}\n","import type { RerankingModelV3 } from '@ai-sdk/provider';\nimport { notImplemented } from './not-implemented';\n\nexport class MockRerankingModelV3 implements RerankingModelV3 {\n  readonly specificationVersion = 'v3';\n\n  readonly provider: RerankingModelV3['provider'];\n  readonly modelId: RerankingModelV3['modelId'];\n\n  doRerank: RerankingModelV3['doRerank'];\n\n  constructor({\n    provider = 'mock-provider',\n    modelId = 'mock-model-id',\n    doRerank = notImplemented,\n  }: {\n    provider?: RerankingModelV3['provider'];\n    modelId?: RerankingModelV3['modelId'];\n    doRerank?: RerankingModelV3['doRerank'];\n  } = {}) {\n    this.provider = provider;\n    this.modelId = modelId;\n    this.doRerank = doRerank;\n  }\n}\n","import type { RerankingModelV4 } from '@ai-sdk/provider';\nimport { notImplemented } from './not-implemented';\n\nexport class MockRerankingModelV4 implements RerankingModelV4 {\n  readonly specificationVersion = 'v4';\n\n  readonly provider: RerankingModelV4['provider'];\n  readonly modelId: RerankingModelV4['modelId'];\n\n  doRerank: RerankingModelV4['doRerank'];\n\n  constructor({\n    provider = 'mock-provider',\n    modelId = 'mock-model-id',\n    doRerank = notImplemented,\n  }: {\n    provider?: RerankingModelV4['provider'];\n    modelId?: RerankingModelV4['modelId'];\n    doRerank?: RerankingModelV4['doRerank'];\n  } = {}) {\n    this.provider = provider;\n    this.modelId = modelId;\n    this.doRerank = doRerank;\n  }\n}\n","import type { Experimental_VideoModelV3 } from '@ai-sdk/provider';\nimport { notImplemented } from './not-implemented';\n\nexport class MockVideoModelV3 implements Experimental_VideoModelV3 {\n  readonly specificationVersion = 'v3';\n  readonly provider: Experimental_VideoModelV3['provider'];\n  readonly modelId: Experimental_VideoModelV3['modelId'];\n  readonly maxVideosPerCall: Experimental_VideoModelV3['maxVideosPerCall'];\n\n  doGenerate: Experimental_VideoModelV3['doGenerate'];\n\n  constructor({\n    provider = 'mock-provider',\n    modelId = 'mock-model-id',\n    maxVideosPerCall = 1,\n    doGenerate = notImplemented,\n  }: {\n    provider?: Experimental_VideoModelV3['provider'];\n    modelId?: Experimental_VideoModelV3['modelId'];\n    maxVideosPerCall?: Experimental_VideoModelV3['maxVideosPerCall'];\n    doGenerate?: Experimental_VideoModelV3['doGenerate'];\n  } = {}) {\n    this.provider = provider;\n    this.modelId = modelId;\n    this.maxVideosPerCall = maxVideosPerCall;\n    this.doGenerate = doGenerate;\n  }\n}\n","import type { Experimental_VideoModelV4 } from '@ai-sdk/provider';\nimport { notImplemented } from './not-implemented';\n\nexport class MockVideoModelV4 implements Experimental_VideoModelV4 {\n  readonly specificationVersion = 'v4';\n  readonly provider: Experimental_VideoModelV4['provider'];\n  readonly modelId: Experimental_VideoModelV4['modelId'];\n  readonly maxVideosPerCall: Experimental_VideoModelV4['maxVideosPerCall'];\n\n  doGenerate: Experimental_VideoModelV4['doGenerate'];\n\n  constructor({\n    provider = 'mock-provider',\n    modelId = 'mock-model-id',\n    maxVideosPerCall = 1,\n    doGenerate = notImplemented,\n  }: {\n    provider?: Experimental_VideoModelV4['provider'];\n    modelId?: Experimental_VideoModelV4['modelId'];\n    maxVideosPerCall?: Experimental_VideoModelV4['maxVideosPerCall'];\n    doGenerate?: Experimental_VideoModelV4['doGenerate'];\n  } = {}) {\n    this.provider = provider;\n    this.modelId = modelId;\n    this.maxVideosPerCall = maxVideosPerCall;\n    this.doGenerate = doGenerate;\n  }\n}\n","export function mockValues<T>(...values: T[]): () => T {\n  let counter = 0;\n  return () => values[counter++] ?? values[values.length - 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package.json

 {
   "name": "ai",
-  "version": "7.0.13",
+  "version": "7.0.14",
   "type": "module",
@@ -45,5 +45,5 @@ "description": "AI SDK by Vercel - build apps like ChatGPT, Claude, Gemini, and more with a single interface for any model using the Vercel AI Gateway or go direct to OpenAI, Anthropic, Google, or any other model provider.",
   "dependencies": {
-    "@ai-sdk/gateway": "4.0.10",
-    "@ai-sdk/provider": "4.0.1",
-    "@ai-sdk/provider-utils": "5.0.4"
+    "@ai-sdk/gateway": "4.0.11",
+    "@ai-sdk/provider": "4.0.2",
+    "@ai-sdk/provider-utils": "5.0.5"
   },
@@ -50,0 +50,0 @@ "devDependencies": {

src/test/mock-transcription-model-v4.ts

@@ -10,2 +10,3 @@ import type { TranscriptionModelV4 } from '@ai-sdk/provider';
   doGenerate: TranscriptionModelV4['doGenerate'];
+  doStream: TranscriptionModelV4['doStream'];
 
@@ -16,2 +17,3 @@ constructor({
     doGenerate = notImplemented,
+    doStream,
   }: {
@@ -21,2 +23,3 @@ provider?: TranscriptionModelV4['provider'];
     doGenerate?: TranscriptionModelV4['doGenerate'];
+    doStream?: TranscriptionModelV4['doStream'];
   } = {}) {
@@ -26,3 +29,4 @@ this.provider = provider;
     this.doGenerate = doGenerate;
+    this.doStream = doStream;
   }
 }

src/transcribe/index.ts

@@ -5,2 +5,7 @@ import type { TranscriptionResult } from './transcribe-result';
 export { transcribe } from './transcribe';
+export { streamTranscribe as experimental_streamTranscribe } from './stream-transcribe';
+export type {
+  StreamTranscriptionResult,
+  TranscriptionStreamPart,
+} from './stream-transcribe-result';
 export type { TranscriptionResult } from './transcribe-result';
@@ -7,0 +12,0 @@

src/util/async-iterable-stream.ts

@@ -19,4 +19,25 @@ /**
   // Pipe through a TransformStream to ensure a fresh, unlocked stream.
-  const stream = source.pipeThrough(new TransformStream<T, T>());
+  return asAsyncIterableStream(source.pipeThrough(new TransformStream<T, T>()));
+}
 
+/**
+ * Attaches the async iterator protocol to an existing ReadableStream in place,
+ * turning it into an AsyncIterableStream without piping through an additional
+ * TransformStream.
+ *
+ * Use this when the stream is already known to be fresh and exclusively owned
+ * (e.g. the readable side of a TransformStream created for this consumer).
+ * Adding an extra `pipeThrough` in that situation creates a chain of two
+ * transforms fed by an active upstream pipe, which can surface a spurious
+ * unhandled `undefined` rejection when the consumer cancels early (observed on
+ * Node.js 26). {@link createAsyncIterableStream} wraps this after adding a
+ * fresh transform for callers that may pass shared or locked streams.
+ *
+ * @template T The type of the stream's chunks.
+ * @param stream The ReadableStream to augment. It must be fresh and unlocked.
+ * @returns The same stream, augmented with the async iterator protocol.
+ */
+export function asAsyncIterableStream<T>(
+  stream: ReadableStream<T>,
+): AsyncIterableStream<T> {
   /**
@@ -23,0 +44,0 @@ * Implements the async iterator protocol for the stream.

No alert changes

Improved metrics

Total package byte prevSize

6338624

0.75%

Number of package files

604

0.5%

Lines of code

65095

1.09%

Dependency changes

• + Added

  @ai-sdk/gateway@4.0.11
  (transitive)

• + Added

  @ai-sdk/provider@4.0.2
  (transitive)

• + Added

  @ai-sdk/provider-utils@5.0.5
  (transitive)

• - Removed

  @ai-sdk/gateway@4.0.10
  (transitive)

• - Removed

  @ai-sdk/provider@4.0.1
  (transitive)

• - Removed

  @ai-sdk/provider-utils@5.0.4
  (transitive)

• Updated

  @ai-sdk/gateway@4.0.11

• Updated

  @ai-sdk/provider@4.0.2

• Updated

  @ai-sdk/provider-utils@5.0.5