()
| 4 | import type { TabsContext } from "./types"; |
| 5 | |
| 6 | export function useTabs(): TabsContext { |
| 7 | const tabMapRef = useRef(new Map<string, TabContext>()); |
| 8 | const [currentTabId, setCurrentTabId] = useState(""); |
| 9 | // Version counter to trigger re-renders when tabMap mutates. |
| 10 | const [, setVersion] = useState(0); |
| 11 | const bump = useCallback(() => setVersion((v) => v + 1), []); |
| 12 | |
| 13 | // tabMapRef.current.size and currentTabId are deps to re-derive on mutations |
| 14 | const tabList = useMemo( |
| 15 | () => Array.from(tabMapRef.current.values()), |
| 16 | [tabMapRef.current.size, currentTabId] |
| 17 | ); |
| 18 | |
| 19 | const currentTab = useMemo( |
| 20 | () => (currentTabId ? tabMapRef.current.get(currentTabId) : undefined), |
| 21 | [currentTabId] |
| 22 | ); |
| 23 | |
| 24 | const findTab = useCallback( |
| 25 | (target: CoreTabContext): TabContext | undefined => { |
| 26 | for (const tab of tabMapRef.current.values()) { |
| 27 | if (tab.type !== target.type) continue; |
| 28 | if (tab.database.name !== target.database.name) continue; |
| 29 | if (tab.type === "database") { |
| 30 | if (tab.metadata.database.name === target.metadata.database.name) { |
| 31 | return tab; |
| 32 | } |
| 33 | } |
| 34 | // After the type guard above, both tab and target have the same type. |
| 35 | // We use `as any` on target.metadata to access the narrowed fields |
| 36 | // since TS can't narrow two variables from the same discriminant check. |
| 37 | const tabMeta = tab.metadata as Record<string, { name: string }>; |
| 38 | const targetMeta = target.metadata as Record<string, { name: string }>; |
| 39 | if (tab.type === "table") { |
| 40 | if ( |
| 41 | tabMeta.schema.name === targetMeta.schema.name && |
| 42 | tabMeta.table.name === targetMeta.table.name |
| 43 | ) { |
| 44 | return tab; |
| 45 | } |
| 46 | } |
| 47 | if (tab.type === "view") { |
| 48 | if ( |
| 49 | tabMeta.schema.name === targetMeta.schema.name && |
| 50 | tabMeta.view.name === targetMeta.view.name |
| 51 | ) { |
| 52 | return tab; |
| 53 | } |
| 54 | } |
| 55 | if (tab.type === "procedure") { |
| 56 | if ( |
| 57 | tabMeta.schema.name === targetMeta.schema.name && |
| 58 | tabMeta.procedure.name === targetMeta.procedure.name |
| 59 | ) { |
| 60 | return tab; |
| 61 | } |
| 62 | } |
| 63 | if (tab.type === "function") { |
no test coverage detected