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Add a 'streaming' boolean option to the provider configuration schema.
When set to false, the AI SDK's simulateStreamingMiddleware is used to
make non-streaming (doGenerate) requests and convert the response into
a simulated stream, allowing the rest of the processing pipeline to
work unchanged.
This is useful for custom OpenAI-compatible backends that do not
support server-sent events / streaming responses.
Usage in opencode.json:
{
"provider": {
"myprovider": {
"options": {
"streaming": false
}
}
}
}
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Issue for this PR
Closes #785
Type of change
What does this PR do?
streamingboolean option to the provider configuration schema (Provider.options.streaming)streamingis set tofalse, uses the AI SDK'ssimulateStreamingMiddleware()to convertstreamText()calls intogenerateText()+ simulated stream responsesHow did you verify your code works?
Checked against CatGPT
Checklist
Usage
{ "provider": { "my-backend": { "options": { "streaming": false } } } }Implementation
The implementation leverages the existing
wrapLanguageModelmiddleware system. Whenstreaming: falseis configured for a provider,simulateStreamingMiddleware()from theaipackage is added to the middleware chain. This middleware interceptsdoStreamcalls, callsdoGenerateinstead, and converts the result back into stream events — making it a transparent drop-in that requires no changes to the rest of the codebase.