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Restore scoped live history retention

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This commit is contained in:
dirtydishes 2026-05-06 23:49:04 -04:00
parent 1d3865c8fc
commit d81b4c0cfb
2 changed files with 62 additions and 11 deletions
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24
apps/web/app/terminal.tsx
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@ -510,7 +510,7 @@ const EMPTY_PAUSABLE_TAPE = {
dropped: 0
};
const appendHistoryTail = <T extends SortableItem>(
export const appendHistoryTail = <T extends SortableItem>(
current: T[],
incoming: T[],
liveHead: T[],
@ -541,6 +541,16 @@ const appendHistoryTail = <T extends SortableItem>(
return cap > 0 ? appended.slice(0, cap) : appended;
};
export const getLiveHistoryRetentionCap = (subscription: LiveSubscription): number => {
switch (subscription.channel) {
case "options":
case "equities":
return LIVE_HISTORY_SOFT_CAP;
default:
return LIVE_HISTORY_SOFT_CAP;
}
};
export const getLiveFeedStatus = (
sourceStatus: WsStatus,
freshestTs: number | null,
@ -2924,21 +2934,13 @@ const useLiveSession = (
switch (subscription.channel) {
case "options":
mergeOlder(
setOptionsHistory,
options,
subscription.underlying_ids?.length || subscription.option_contract_id ? 0 : LIVE_HISTORY_SOFT_CAP
);
mergeOlder(setOptionsHistory, options, getLiveHistoryRetentionCap(subscription));
break;
case "nbbo":
mergeOlder(setNbboHistory, nbbo);
break;
case "equities":
mergeOlder(
setEquitiesHistory,
equities,
subscription.underlying_ids?.length ? 0 : LIVE_HISTORY_SOFT_CAP
);
mergeOlder(setEquitiesHistory, equities, getLiveHistoryRetentionCap(subscription));
break;
case "equity-quotes":
break;