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Merge pull request #917 from williballenthin/fix-call-arguments-done

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fix(ai): handle call arguments done on OpenAI-compatible endpoints
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Mario Zechner 2026-01-24 03:14:02 +01:00 • committed by GitHub
commit 72de8f26a1
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1 changed files with 13 additions and 2 deletions
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15
packages/ai/src/providers/openai-responses.ts
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@ -231,6 +231,13 @@ export const streamOpenAIResponses: StreamFunction<"openai-responses"> = (
}); });
} }
} }
// Handle function call arguments done (some providers send this instead of deltas)
else if (event.type === "response.function_call_arguments.done") {
if (currentItem?.type === "function_call" && currentBlock?.type === "toolCall") {
currentBlock.partialJson = event.arguments;
currentBlock.arguments = parseStreamingJson(currentBlock.partialJson);
}
}
// Handle output item completion // Handle output item completion
else if (event.type === "response.output_item.done") { else if (event.type === "response.output_item.done") {
const item = event.item; const item = event.item;
@ -256,13 +263,17 @@ export const streamOpenAIResponses: StreamFunction<"openai-responses"> = (
}); });
currentBlock = null; currentBlock = null;
} else if (item.type === "function_call") { } else if (item.type === "function_call") {
const args =
currentBlock?.type === "toolCall" && currentBlock.partialJson
? JSON.parse(currentBlock.partialJson)
: JSON.parse(item.arguments);
const toolCall: ToolCall = { const toolCall: ToolCall = {
type: "toolCall", type: "toolCall",
id: `${item.call_id}|${item.id}`, id: `${item.call_id}|${item.id}`,
name: item.name, name: item.name,
arguments: JSON.parse(item.arguments), arguments: args,
}; };
currentBlock = null;
stream.push({ type: "toolcall_end", contentIndex: blockIndex(), toolCall, partial: output }); stream.push({ type: "toolcall_end", contentIndex: blockIndex(), toolCall, partial: output });
} }
} }