Viewerframe Mode Refresh Hot May 2026

let modeVersion = 0;

function mountViewer() { const unsub = eventBus.subscribe('mode-change', handler); onUnmount(() => unsub()); } Versioned async operations: viewerframe mode refresh hot

const setModeDebounced = debounce((m) => setMode(m), 150); Unique instance IDs: let modeVersion = 0; function mountViewer() { const

// prepare resources await prepareResourcesFor(mode); if (currentInitId !== initId) return; // stale, abort let modeVersion = 0