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feat(slack): add draft preview cleanup lifecycle

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This commit is contained in:
Colin
2026-02-16 16:07:00 -05:00
committed by Peter Steinberger
parent dfd5a79631
commit 087edec93f
3 changed files with 83 additions and 2 deletions
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31
src/slack/draft-stream.ts
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@@ -1,4 +1,4 @@
import { editSlackMessage } from "./actions.js";
import { deleteSlackMessage, editSlackMessage } from "./actions.js";
import { sendMessageSlack } from "./send.js";
const SLACK_STREAM_MAX_CHARS = 4000;
@@ -7,6 +7,7 @@ const DEFAULT_THROTTLE_MS = 1000;
export type SlackDraftStream = {
update: (text: string) => void;
flush: () => Promise<void>;
clear: () => Promise<void>;
stop: () => void;
forceNewMessage: () => void;
messageId: () => string | undefined;
@@ -25,11 +26,13 @@ export function createSlackDraftStream(params: {
warn?: (message: string) => void;
send?: typeof sendMessageSlack;
edit?: typeof editSlackMessage;
remove?: typeof deleteSlackMessage;
}): SlackDraftStream {
const maxChars = Math.min(params.maxChars ?? SLACK_STREAM_MAX_CHARS, SLACK_STREAM_MAX_CHARS);
const throttleMs = Math.max(250, params.throttleMs ?? DEFAULT_THROTTLE_MS);
const send = params.send ?? sendMessageSlack;
const edit = params.edit ?? editSlackMessage;
const remove = params.remove ?? deleteSlackMessage;
let streamMessageId: string | undefined;
let streamChannelId: string | undefined;
@@ -152,6 +155,31 @@ export function createSlackDraftStream(params: {
}
};
const clear = async () => {
stop();
if (inFlightPromise) {
await inFlightPromise;
}
const channelId = streamChannelId;
const messageId = streamMessageId;
streamChannelId = undefined;
streamMessageId = undefined;
lastSentText = "";
if (!channelId || !messageId) {
return;
}
try {
await remove(channelId, messageId, {
token: params.token,
accountId: params.accountId,
});
} catch (err) {
params.warn?.(
`slack stream preview cleanup failed: ${err instanceof Error ? err.message : String(err)}`,
);
}
};
const forceNewMessage = () => {
streamMessageId = undefined;
streamChannelId = undefined;
@@ -164,6 +192,7 @@ export function createSlackDraftStream(params: {
return {
update,
flush,
clear,
stop,
forceNewMessage,
messageId: () => streamMessageId,