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fix(slack-stream): bind lastStreamPayload to local const before spread

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TypeScript cannot narrow a mutable let variable through a null-check guard
when it is used in a spread expression (TS2698: Spread types may only be
created from object types). Binding to a local const lets the compiler
narrow the type correctly.
This commit is contained in:
Nora 2026-03-10 05:05:39 +00:00 committed by Vincent Koc
parent 0eb89b16e1
commit c9fbb445a7
1 changed files with 4 additions and 2 deletions
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6
src/slack/monitor/message-handler/dispatch.ts
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@ -546,9 +546,11 @@ export async function dispatchPreparedSlackMessage(prepared: PreparedSlackMessag
}
// Fall back to normal delivery with the full accumulated streamed text
// so the user receives the complete answer even when stop() fails.
if (orphanDeleted && lastStreamPayload && streamedText) {
// Bind to a local const so TypeScript narrows away null before spread.
const fallbackPayload = lastStreamPayload;
if (orphanDeleted && fallbackPayload && streamedText) {
await deliverNormally(
{ ...lastStreamPayload, text: streamedText },
{ ...fallbackPayload, text: streamedText },
finalStream.threadTs,
);
}