vercel/ai @ai-sdk/langchain@2.0.88

on GitHub

Patch Changes

• 2b29f7a: Add onFinish, onError, and onAbort callbacks to StreamCallbacks for toUIMessageStream.

  • onFinish(state): Called on successful completion with final LangGraph state (or undefined for other stream types)
  • onError(error): Called when stream encounters an error
  • onAbort(): Called when stream is aborted

  Also adds parseLangGraphEvent helper for parsing LangGraph event tuples.