Function handleSidebarKey

packages/app-core/src/components/VimNav.tsx:1057–1151

(e: KeyboardEvent, state: ReturnType<typeof useStore.getState>)

  // ---- Key handlers (called from the single persistent handler) --------

  function handleSidebarKey(e: KeyboardEvent, state: ReturnType<typeof useStore.getState>): void {
    const key = e.key
    const overrides = state.keymapOverrides
    if (state.focusedPanel !== 'sidebar') state.setFocusedPanel('sidebar')
    const items = getIndexedElements('[data-sidebar-idx]', 'sidebarIdx')
    const count = items.length
    const max = count - 1
    const currentPos = findPositionByIndex(items, 'sidebarIdx', state.sidebarCursorIndex)
    const wantsContextMenu =
      matchesSequenceToken(e, overrides, 'nav.contextMenu') ||
      key === 'ContextMenu' ||
      (e.shiftKey && key === 'F10')

    // Always consume single-char nav keys when sidebar is focused,
    // even if the sidebar is empty — prevents them leaking to the editor.
    const wantsHandledKey =
      matchesSequenceToken(e, overrides, 'nav.moveDown') ||
      matchesSequenceToken(e, overrides, 'nav.moveUp') ||
      matchesSequenceToken(e, overrides, 'nav.jumpBottom') ||
      sequenceTokenFromEvent(e) === getSequenceTokens(overrides, 'nav.jumpTop')[0] ||
      matchesSequenceToken(e, overrides, 'nav.openSideItem') ||
      matchesSequenceToken(e, overrides, 'nav.back') ||
      matchesSequenceToken(e, overrides, 'nav.toggleFolder') ||
      matchesSequenceToken(e, overrides, 'nav.filter') ||
      key === 'Enter' ||
      key === 'Escape' ||
      key === 'ArrowDown' ||
      key === 'ArrowUp' ||
      key === 'ArrowLeft' ||
      key === 'ArrowRight' ||
      wantsContextMenu
    if (wantsHandledKey) {
      e.preventDefault()
      e.stopImmediatePropagation()
    } else {
      return // not a nav key, let it through
    }

    if (count === 0) return // nothing to navigate

    if (matchesSequenceToken(e, overrides, 'nav.moveDown') || key === 'ArrowDown') {
      scrollToIndexedElement(items[Math.min(currentPos + 1, max)], 'sidebarIdx', state.setSidebarCursorIndex)
      return
    }
    if (matchesSequenceToken(e, overrides, 'nav.moveUp') || key === 'ArrowUp') {
      scrollToIndexedElement(items[Math.max(currentPos - 1, 0)], 'sidebarIdx', state.setSidebarCursorIndex)
      return
    }
    if (matchesSequenceToken(e, overrides, 'nav.jumpBottom')) {
      scrollToIndexedElement(items[max], 'sidebarIdx', state.setSidebarCursorIndex)
      return
    }
    if (
      advanceSequence(
        e,
        getKeymapBinding(overrides, 'nav.jumpTop'),
        jumpTopPending,
        jumpTopTimer,