PanelRender
Render function for a panel slot.
Return null to skip rendering (used by the built-in count panels for
conditional display, e.g. only show “Selected: N” when N > 0).
type PanelRender = (context: PinnedRowsContext) => HTMLElement | null
AI assistants: For complete API documentation, implementation guides, and code examples for this library, see https://raw.githubusercontent.com/OysteinAmundsen/toolbox/main/llms-full.txt