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Merge pull request #1448 from QwenLM/fix/openai-compatible

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fix(core): handle missing delta in OpenAI stream chunks
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tanzhenxin 2026-01-09 21:38:31 +08:00 • committed by GitHub
commit bde31d1261
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2 changed files with 22 additions and 1 deletions
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21
packages/core/src/core/openaiContentGenerator/converter.test.ts
View file

@ -207,6 +207,27 @@ describe('OpenAIContentConverter', () => {
expect.objectContaining({ text: 'visible text' }),
);
});
it('should not throw when streaming chunk has no delta', () => {
const chunk = converter.convertOpenAIChunkToGemini({
object: 'chat.completion.chunk',
id: 'chunk-2',
created: 456,
choices: [
{
index: 0,
// Some OpenAI-compatible providers may omit delta entirely.
delta: undefined,
finish_reason: null,
logprobs: null,
},
],
model: 'gpt-test',
} as unknown as OpenAI.Chat.ChatCompletionChunk);
const parts = chunk.candidates?.[0]?.content?.parts;
expect(parts).toEqual([]);
});
});
describe('convertGeminiToolsToOpenAI', () => {

2
packages/core/src/core/openaiContentGenerator/converter.ts
View file

@ -799,7 +799,7 @@ export class OpenAIContentConverter {
const parts: Part[] = [];
const reasoningText = (choice.delta as ExtendedCompletionChunkDelta)
.reasoning_content;
?.reasoning_content;
if (reasoningText) {
parts.push({ text: reasoningText, thought: true });
}