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feat: add closeStandaloneSSEStream for GET stream polling (#1203)

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Felix Weinberger 2025-12-01 17:01:20 +00:00 • committed by GitHub
commit 4b651b8fe1
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1 changed files with 310 additions and 16 deletions
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10
src/shared/protocol.ts
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@ -290,6 +290,13 @@ export type RequestHandlerExtra<SendRequestT extends Request, SendNotificationT
* Use this to implement polling behavior during long-running operations.
*/
closeSSEStream?: () => void;
/**
* Closes the standalone GET SSE stream, triggering client reconnection.
* Only available when using StreamableHTTPServerTransport with eventStore configured.
* Use this to implement polling behavior for server-initiated notifications.
*/
closeStandaloneSSEStream?: () => void;
};
/**
@ -736,7 +743,8 @@ export abstract class Protocol<SendRequestT extends Request, SendNotificationT e
taskId: relatedTaskId,
taskStore: taskStore,
taskRequestedTtl: taskCreationParams?.ttl,
closeSSEStream: extra?.closeSSEStream
closeSSEStream: extra?.closeSSEStream,
closeStandaloneSSEStream: extra?.closeStandaloneSSEStream
};
// Starting with Promise.resolve() puts any synchronous errors into the monad as well.