Function computeSelection

Parameters

• currentSelection: readonly string[]

  Current selected keys

• rowKey: string

  Key of clicked row

• mode: TableSelectionMode

  Selection mode

• modifiers: { ctrl: boolean; shift: boolean }

  Keyboard modifiers (shift, ctrl/cmd)

• allRowKeys: readonly string[]

  All row keys for shift-select range

• lastClickedKey: string | null

  Previously clicked key for shift-select

• OptionalrowKeyToIndex: ReadonlyMap<string, number>

  Optional pre-built index map for O(1) lookup (recommended for large tables)