Select, add, and subtract rectangular cell ranges with cellSelectionFeature: ordered include/exclude operations keyed by row and column id, modifier dragging, final positive bounds, selection edges, render-order resolution under pinning, and autoResetCellSelection. Load for spreadsheet-style selection, “select all…
Author a TanStack Table v9 feature plugin across every FeatureMap and API installation surface: state, options, column definitions, table, column, row, cell, header, row-model functions/caches, defaults, prototypes, and table/row/column instance data lifecycles. Load for initTableInstanceData, resetTableInstanceData…