23 lines
853 B
TypeScript
23 lines
853 B
TypeScript
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import { atom, PrimitiveAtom } from 'jotai';
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import { atomFamily } from 'jotai/utils';
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const createActiveThreadIdAtom = () => atom<string | null>(null);
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export type TActiveThreadIdAtom = PrimitiveAtom<string | null>;
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/**
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* Per-room "which thread is open in the panel" state. Mirrors
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* `roomIdToReplyDraftAtomFamily` in `roomInputDrafts.ts` — the same atom
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* instance is returned for the same roomId, so a room's panel state survives
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* remounts.
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*/
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export const roomIdToActiveThreadIdAtomFamily = atomFamily<string, TActiveThreadIdAtom>(() =>
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createActiveThreadIdAtom(),
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);
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/**
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* Key used to scope a thread's composer drafts (message/reply/upload) away from
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* the main room composer, e.g. `"!room:server::$rootEventId"`.
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*/
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export const getThreadDraftKey = (roomId: string, threadRootId: string): string =>
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`${roomId}::${threadRootId}`;
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