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chore (ai): remove StreamData and mergeStreams#6150

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lgrammel merged 4 commits intov5from
lg/rmh2uuWI
May 5, 2025
Merged

chore (ai): remove StreamData and mergeStreams#6150
lgrammel merged 4 commits intov5from
lg/rmh2uuWI

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@lgrammel lgrammel commented May 5, 2025

Background

StreamData has been deprecated and should be removed in AI SDK 5.

Summary

  • remove StreamData
  • remove mergeStreams helper function
  • change StreamTextResult.toDataStream response type
  • rename DataStreamString to DataStreamText

Future Work

Rework langchain and llamaindex streaming integration.

@lgrammel lgrammel changed the title 1 chore (ai): remove StreamData and mergeStreams May 5, 2025
@lgrammel lgrammel marked this pull request as ready for review May 5, 2025 12:55
@lgrammel lgrammel merged commit e244a78 into v5 May 5, 2025
7 of 8 checks passed
@lgrammel lgrammel deleted the lg/rmh2uuWI branch May 5, 2025 13:04
samdenty added a commit that referenced this pull request May 5, 2025
* origin/v5: (23 commits)
  chore (ai): remove StreamData and mergeStreams (#6150)
  chore (build): fix typecheck setup (#6151)
  chore (ai): remove IdGenerator duplication (#6147)
  chore (ai): remove content from ui messages (#6145)
  Version Packages (canary) (#6115)
  feat (provider): support reasoning tokens, cached input tokens, total token in usage information (#6140)
  test (ai): use `mock-provider` instead of `openai` to match used `MockImageModelV2` (#6132)
  fix(providers): always use optional instead of mix of nullish for providerOptions (#6122)
  chore (ai): remove sendExtraMessageFields (#6120)
  chore(provider-utils): move ToolResultContent to provider-utils (#6121)
  feat(embed-many): respect supportsParallelCalls & concurrency (#6108)
  chore (provider-utils): return IdGenerator interface (#6118)
  chore (provider): improve jsdoc comments (#6117)
  chore (ai): remove outdated typecasts (#6116)
  chore (ai): remove useChat keepLastMessageOnError (#6114)
  fix(providers/openai): logprobs for stream alongside completion model (#6091)
  chore (ai): move maxSteps into UseChatOptions (#6113)
  docs (ai): add notes on schema .optional() (#6111)
  chore: update references to use ai-sdk.dev (#6076) (#6107)
  Version Packages (canary) (#6069)
  ...
iteratetograceness pushed a commit to iteratetograceness/ai that referenced this pull request May 9, 2025
## Background

`StreamData` has been deprecated and should be removed in AI SDK 5.

## Summary

* remove `StreamData`
* remove `mergeStreams` helper function
* change `StreamTextResult.toDataStream` response type
* rename `DataStreamString` to `DataStreamText`

## Future Work
Rework langchain and llamaindex streaming integration.
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