57ff0f18f8
Latency root causes: 1. handleSelectNote/handleReplaceActiveTab awaited IPC before updating activeTabPath — zero visual feedback for 50-200ms file I/O 2. Trash/archive called updateEntry AFTER two sequential IPC calls — note stayed visible in list for 100-400ms Optimizations: - Content prefetch cache: hover on NoteItem and keyboard arrow navigation pre-load note content via IPC. When user clicks, content is already in memory — eliminates the IPC round-trip entirely. - Optimistic trash/archive/restore/unarchive: updateEntry runs immediately, frontmatter writes happen async. On failure, UI rolls back and shows error toast. - Rapid-switch safety: sequence counter (navSeqRef) ensures only the latest navigation sets activeTabPath — prevents stale content flash when user clicks multiple notes in quick succession. - Prefetch cache cleared on vault reload to prevent stale content after external edits. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
64 lines
2.4 KiB
TypeScript
64 lines
2.4 KiB
TypeScript
import { useState, useCallback, useEffect, useRef } from 'react'
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import type { VirtuosoHandle } from 'react-virtuoso'
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import type { VaultEntry } from '../types'
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import { prefetchNoteContent } from './useTabManagement'
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interface NoteListKeyboardOptions {
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items: VaultEntry[]
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selectedNotePath: string | null
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onOpen: (entry: VaultEntry) => void
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enabled: boolean
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}
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export function useNoteListKeyboard({
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items, selectedNotePath, onOpen, enabled,
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}: NoteListKeyboardOptions) {
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const [highlightedIndex, setHighlightedIndex] = useState(-1)
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const virtuosoRef = useRef<VirtuosoHandle>(null)
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// Reset highlight when items change (filter/sort/selection changed)
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useEffect(() => {
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setHighlightedIndex(-1) // eslint-disable-line react-hooks/set-state-in-effect -- reset on data change
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}, [items])
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const handleKeyDown = useCallback((e: React.KeyboardEvent) => {
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if (!enabled || items.length === 0) return
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if (e.metaKey || e.ctrlKey || e.altKey) return
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if (e.key === 'ArrowDown') {
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e.preventDefault()
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setHighlightedIndex(prev => {
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const next = Math.min((prev < 0 ? -1 : prev) + 1, items.length - 1)
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virtuosoRef.current?.scrollToIndex({ index: next, behavior: 'auto' })
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if (next >= 0 && next < items.length) prefetchNoteContent(items[next].path)
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return next
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})
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} else if (e.key === 'ArrowUp') {
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e.preventDefault()
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setHighlightedIndex(prev => {
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const next = Math.max((prev < 0 ? items.length : prev) - 1, 0)
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virtuosoRef.current?.scrollToIndex({ index: next, behavior: 'auto' })
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if (next >= 0 && next < items.length) prefetchNoteContent(items[next].path)
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return next
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})
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} else if (e.key === 'Enter' && highlightedIndex >= 0 && highlightedIndex < items.length) {
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e.preventDefault()
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onOpen(items[highlightedIndex])
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}
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}, [enabled, items, highlightedIndex, onOpen])
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const handleFocus = useCallback(() => {
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if (highlightedIndex >= 0 || items.length === 0) return
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const activeIdx = selectedNotePath
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? items.findIndex(n => n.path === selectedNotePath)
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: -1
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setHighlightedIndex(activeIdx >= 0 ? activeIdx : 0)
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}, [highlightedIndex, items, selectedNotePath])
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const highlightedPath = (highlightedIndex >= 0 && highlightedIndex < items.length)
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? items[highlightedIndex].path
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: null
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return { highlightedPath, handleKeyDown, handleFocus, virtuosoRef }
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}
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