Function getCachedTriggers

src/views/DataThread.tsx:3062–3067

(lt: DictTable)

    // Cached getTriggers — avoids repeated chain walks within a single render
    const _tCache = new Map<string, Trigger[]>();
    const getCachedTriggers = (lt: DictTable): Trigger[] => {
        if (_tCache.has(lt.id)) return _tCache.get(lt.id)!;
        const triggers = getTriggers(lt, tables);
        _tCache.set(lt.id, triggers);
        return triggers;
    };

    // Now use useMemo to memoize the chartElements array
    let chartElements = useMemo(() => {