Method focusEffect

src/aria/private/grid/grid.ts:330–342

Sets focus when active cell changed.

()

  /** Sets focus when active cell changed. */
  focusEffect(): void {
    const activeCell = this.activeCell();
    const gridFocused = untracked(() => this.isFocused());

    if (activeCell === undefined || !gridFocused) return;

    const isRoving = untracked(() => this.inputs.focusMode() === 'roving');
    const cellFocused = untracked(() => activeCell.isFocused());

    if (isRoving && !cellFocused) {
      activeCell.focus();
    }
  }
}