fix (ai/ui): keep last message in useChat on error #2262
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This was referenced Jul 12, 2024
Co-authored-by: Lars Grammel <lars.grammel@gmail.com> Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com> Co-authored-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com>
nicoalbanese
approved these changes
Jul 15, 2024
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Summary
Introduces a flag
keepLastMessageOnErroron useChat (default:false). This flags enables the new error handling behavior that keeps the last message. The behavior is is intended to be the default in the next major release (and the flag will be removed).Background
We currently remove the last message from a chat when an error occurs. This makes retries and error handling much harder than it needs be and forces our users to manage the last message outside of the AI SDK.
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