lit/compose-with-tanstack-virtual

To virtualize Lit table rows, combine the @tanstack/lit-table store with @tanstack/lit-virtual's VirtualizerController, rendering only virtual items with absolute positioning and syncing the virtualizer count to table.getRowModel().rows.length.

TanStack Table does not virtualize rows or columns natively. You need to pair it with @tanstack/lit-virtual by wiring the VirtualizerController into your Lit render loop.

For variable row heights in a virtualized Lit datagrid, use the measureElement function on each virtual row to dynamically measure and update sizing alongside the VirtualizerController.

Yes, drive virtualization from the post-feature row model by syncing the virtualizer count to table.getRowModel().rows.length so sorting, filtering, grouping, and pagination stay correct.

The best way to render thousands of Lit table rows without lag is virtualization, constructing the virtualizer once and rendering only getVirtualItems() with absolute positioning to maintain smooth scrolling.

Overscanning is supported and recommended for virtualized Lit tables to ensure smooth scrolling by rendering a buffer of rows outside the visible viewport area.