let markdownRendererModulePromise: Promise | null = null; export const loadMarkdownRendererModule = () => { markdownRendererModulePromise ??= import('./MarkdownRendererImpl').catch((error) => { markdownRendererModulePromise = null; throw error; }); return markdownRendererModulePromise; }; export const preloadMarkdownRenderer = () => { void loadMarkdownRendererModule().catch(() => undefined); };