dibanez
0389af6cb3
`useBtwPanelState` already subscribes to the composer's own session — it is what the fork link is derived from — so asking `useSession` for the same session and directory a second time in `ChatInput` was a duplicate subscription for a value already in hand. Expose it as `parentSession` and read the promoted flag from there. No behavior change.
58 lines
2.4 KiB
TypeScript
58 lines
2.4 KiB
TypeScript
import React from 'react';
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import type { Session } from '@opencode-ai/sdk/v2';
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import { useSession } from '@/sync/sync-context';
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import { getBtwBoundaryMessageID, getBtwSessionID } from '@/lib/sessionBtwMetadata';
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import { useBtwStore } from '@/stores/useBtwStore';
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export type BtwPanelState = {
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/** The session the composer is in — the one `/btw` would fork. */
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parentSession: Session | null;
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/** The active fork for this parent, or null when no panel should exist. */
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btwSessionId: string | null;
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btwSession: Session | null;
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/** The fork's directory identity (may be canonicalized by the server). */
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btwDirectory: string | null;
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/** Last message id inherited from the parent; the panel shows what's after it. */
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boundaryMessageID: string | null;
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collapsed: boolean;
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creating: boolean;
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};
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/**
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* Derive the `/btw` panel identity for one parent session from authoritative
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* session metadata (`openchamber.btwSessionID`), plus the transient UI state
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* kept in `useBtwStore`. The panel exists only while the parent's link AND the
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* fork itself are present in the live stores, so a fork deleted anywhere
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* (sidebar, another client) makes the panel disappear without extra tracking.
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*/
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export function useBtwPanelState(
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parentSessionId: string | null | undefined,
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directory: string | undefined,
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): BtwPanelState {
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const parentSession = useSession(parentSessionId, directory);
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const linkedBtwSessionId = getBtwSessionID(parentSession);
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const btwSession = useSession(linkedBtwSessionId, directory) ?? null;
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const uiState = useBtwStore(
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React.useCallback(
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(s) => (parentSessionId ? s.byParent[parentSessionId] : undefined),
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[parentSessionId],
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),
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);
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const destroying = Boolean(uiState?.destroying);
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const btwSessionId = btwSession && !destroying ? linkedBtwSessionId : null;
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return {
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parentSession: parentSession ?? null,
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btwSessionId,
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btwSession: btwSessionId ? btwSession : null,
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// SAFETY: the SDK Session type omits the server's `directory` field; this
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// widening only reads it, with the parent's directory as the fallback.
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btwDirectory: btwSessionId
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? ((btwSession as (Session & { directory?: string | null }) | null)?.directory ?? directory ?? null)
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: null,
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boundaryMessageID: btwSessionId ? getBtwBoundaryMessageID(btwSession) : null,
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collapsed: Boolean(uiState?.collapsed),
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creating: Boolean(uiState?.creating),
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};
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}
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