Function: toServerSentEventsResponse()#

function toServerSentEventsResponse(stream, init?): Response;

Defined in: packages/ai/src/stream-to-response.ts:120

Convert a StreamChunk async iterable to a Response in Server-Sent Events format

This creates a Response that emits chunks in SSE format:

• Each chunk is prefixed with "data: "

• Each chunk is followed by "\n\n"

• Stream ends when the underlying iterable is exhausted (RUN_FINISHED is the terminal event)

Parameters#

stream#

AsyncIterable\<[`AGUIEvent`](../type-aliases/AGUIEvent.md)\>

AsyncIterable of StreamChunks from chat()

init?#

ResponseInit & object

Optional Response initialization options (including abortController)

Returns#

Response

Response in Server-Sent Events format

Example#

const stream = chat({ adapter: openaiText(), model: "gpt-4o", messages: [...] });
return toServerSentEventsResponse(stream, { abortController });