Function createEditorSession

packages/sdk/examples/react-embed.ts:19–31

(html: string)

// Typically called once in useEffect(() => { createEditorSession(html).then(setComp) }, [])

export async function createEditorSession(html: string): Promise<Composition> {
  const persist = createMemoryAdapter();

  const comp = await openComposition(html, { persist });

  // Persist failures surface as events, never fatal exceptions.
  comp.on("persist:error", ({ error }) => {
    console.error(`Auto-save failed: ${error.message}`);
    // In a real app: show a toast notification
  });

  return comp;
}

// ── useSyncExternalStore integration ─────────────────────────────────────────
// React 18+ pattern: