Function: toServerSentEventsStream()#

function toServerSentEventsStream(stream, abortController?): ReadableStream<Uint8Array<ArrayBufferLike>>;

Defined in: packages/ai/src/stream-to-response.ts:50

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

This creates a ReadableStream 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()

abortController?#

AbortController

Optional AbortController to abort when stream is cancelled

Returns#

ReadableStream\<`Uint8Array`\<`ArrayBufferLike`\>>

ReadableStream in Server-Sent Events format