Better code quality

src/utils/tileHelpers.ts

@@ -0,0 +1,20 @@
+import type { TileState } from '../types/tiles'
+
+export type FocusedTile = { row: number; col: number } | 'custom'
+
+export function getTileId(row: number, col: number): string {
+  return `${row}-${col}`
+}
+
+export function isCustomTileFocused(focusedTile: FocusedTile): boolean {
+  return focusedTile === 'custom'
+}
+
+export function isTileFocused(focusedTile: FocusedTile, row: number, col: number): boolean {
+  if (focusedTile === 'custom') return false
+  return focusedTile.row === row && focusedTile.col === col
+}
+
+export function getTileFromGrid(tiles: TileState[][], row: number, col: number): TileState | undefined {
+  return tiles[row]?.[col]
+}