Function resolveNextPanel

packages/app-core/src/lib/vim-nav.ts:78–90

(
  current: Panel | null,
  direction: 'left' | 'right',
  visiblePanels: Panel[]
)

/** Move left (h/k) or right (l/j) through the visible panel list. */
export function resolveNextPanel(
  current: Panel | null,
  direction: 'left' | 'right',
  visiblePanels: Panel[]
): Panel | null {
  if (visiblePanels.length === 0) return null
  if (!current || !visiblePanels.includes(current)) return visiblePanels[0]
  const idx = visiblePanels.indexOf(current)
  if (direction === 'left') {
    return idx > 0 ? visiblePanels[idx - 1] : visiblePanels[idx]
  }
  return idx < visiblePanels.length - 1 ? visiblePanels[idx + 1] : visiblePanels[idx]
}

// ---------------------------------------------------------------------------
// Vim mode detection