ファイル
btrc-hub/frontend/src/components/TopNav.tsx
T
みてるぞ eb975e5301 プリフェッチ実装(#140) (#256)
Merge branch 'main' into feature/140

#140

Merge remote-tracking branch 'origin/main' into feature/140

#140

#140

#140

#140

#140

Merge remote-tracking branch 'origin/main' into feature/140

#140

#140

#140

#140

#140

#140

#140

#140

#140

#140

#140

Merge remote-tracking branch 'origin/main' into feature/140

Merge remote-tracking branch 'origin/main' into feature/140

#140 ぼちぼち

Merge remote-tracking branch 'origin/main' into feature/140

#140

#140

#140

Co-authored-by: miteruzo <miteruzo@naver.com>
Reviewed-on: #256
2026-02-11 13:27:28 +09:00

286 行
9.1 KiB
TypeScript
Raw Blame 履歴

このファイルには曖昧(ambiguous)なUnicode文字が含まれてゐます
このファイルには,他の文字と見間違える可能性があるUnicode文字が含まれてゐます. それが意図的なものと考えられる場合は,この警告を無視して構ゐません. それらの文字を表示するにはエスケープボタンを使用します.
import { useQuery } from '@tanstack/react-query'
import { AnimatePresence, motion } from 'framer-motion'
import { Fragment, useEffect, useLayoutEffect, useRef, useState } from 'react'
import { useLocation } from 'react-router-dom'
import Separator from '@/components/MenuSeparator'
import PrefetchLink from '@/components/PrefetchLink'
import TopNavUser from '@/components/TopNavUser'
import { WikiIdBus } from '@/lib/eventBus/WikiIdBus'
import { tagsKeys, wikiKeys } from '@/lib/queryKeys'
import { fetchTagByName } from '@/lib/tags'
import { cn } from '@/lib/utils'
import { fetchWikiPage } from '@/lib/wiki'
import type { FC, MouseEvent } from 'react'
import type { Menu, User } from '@/types'
type Props = { user: User | null }
export default (({ user }: Props) => {
const location = useLocation ()
const dirRef = useRef<(-1) | 1> (1)
const itemsRef = useRef<(HTMLAnchorElement | null)[]> ([])
const navRef = useRef<HTMLDivElement | null> (null)
const measure = () => {
const nav = navRef.current
const el = itemsRef.current[activeIdx]
if (!(nav) || !(el) || activeIdx < 0)
return
const navRect = nav.getBoundingClientRect ()
const elRect = el.getBoundingClientRect ()
setHl ({ left: elRect.left - navRect.left,
width: elRect.width,
visible: true })
}
const [hl, setHl] = useState<{ left: number; width: number; visible: boolean }> ({
left: 0,
width: 0,
visible: false })
const [menuOpen, setMenuOpen] = useState (false)
const [openItemIdx, setOpenItemIdx] = useState (-1)
const [wikiId, setWikiId] = useState<number | null> (WikiIdBus.get ())
const wikiIdStr = String (wikiId ?? '')
const { data: wikiPage } = useQuery ({
enabled: Boolean (wikiIdStr),
queryKey: wikiKeys.show (wikiIdStr, { }),
queryFn: () => fetchWikiPage (wikiIdStr, { }) })
const effectiveTitle = wikiPage?.title ?? ''
const { data: tag } = useQuery ({
enabled: Boolean (effectiveTitle),
queryKey: tagsKeys.show (effectiveTitle),
queryFn: () => fetchTagByName (effectiveTitle) })
const postCount = tag?.postCount ?? 0
const wikiPageFlg = Boolean (/^\/wiki\/(?!new|changes)[^\/]+/.test (location.pathname) && wikiId)
const wikiTitle = location.pathname.split ('/')[2] ?? ''
const menu: Menu = [
{ name: '広場', to: '/posts', subMenu: [
{ name: '一覧', to: '/posts' },
{ name: '投稿追加', to: '/posts/new' },
{ name: '耕作履歴', to: '/posts/changes' },
{ name: 'ヘルプ', to: '/wiki/ヘルプ:広場' }] },
{ name: 'タグ', to: '/tags', subMenu: [
{ name: 'タグ一覧', to: '/tags', visible: false },
{ name: '別名タグ', to: '/tags/aliases', visible: false },
{ name: '上位タグ', to: '/tags/implications', visible: false },
{ name: 'ニコニコ連携', to: '/tags/nico' },
{ name: 'ヘルプ', to: '/wiki/ヘルプ:タグ' }] },
{ name: 'Wiki', to: '/wiki/ヘルプ:ホーム', base: '/wiki', subMenu: [
{ name: '検索', to: '/wiki' },
{ name: '新規', to: '/wiki/new' },
{ name: '全体履歴', to: '/wiki/changes' },
{ name: 'ヘルプ', to: '/wiki/ヘルプ:Wiki' },
{ component: <Separator/>, visible: wikiPageFlg },
{ name: `広場 (${ postCount || 0 })`, to: `/posts?tags=${ wikiTitle }`,
visible: wikiPageFlg },
{ name: '履歴', to: `/wiki/changes?id=${ wikiId }`, visible: wikiPageFlg },
{ name: '編輯', to: `/wiki/${ wikiId || wikiTitle }/edit`, visible: wikiPageFlg }] },
{ name: 'ユーザ', to: '/users', subMenu: [
{ name: '一覧', to: '/users', visible: false },
{ name: 'お前', to: `/users/${ user?.id }`, visible: false },
{ name: '設定', to: '/users/settings', visible: Boolean (user) }] }]
const activeIdx = menu.findIndex (item => location.pathname.startsWith (item.base || item.to))
const prevActiveIdxRef = useRef<number> (activeIdx)
if (activeIdx !== prevActiveIdxRef.current)
{
dirRef.current = activeIdx > prevActiveIdxRef.current ? 1 : -1
prevActiveIdxRef.current = activeIdx
}
const dir = dirRef.current
useLayoutEffect (() => {
if (activeIdx < 0)
return
const raf = requestAnimationFrame (measure)
const onResize = () => requestAnimationFrame (measure)
addEventListener ('resize', onResize)
return () => {
cancelAnimationFrame (raf)
removeEventListener ('resize', onResize)
}
}, [activeIdx])
useEffect (() => {
const unsubscribe = WikiIdBus.subscribe (setWikiId)
return () => unsubscribe ()
}, [])
useEffect (() => {
setMenuOpen (false)
setOpenItemIdx (menu.findIndex (item => (
location.pathname.startsWith (item.base || item.to))))
}, [location])
return (
<>
<nav className="px-3 flex justify-between items-center w-full min-h-[48px]
bg-yellow-200 dark:bg-red-975 md:bg-yellow-50">
<div className="flex items-center gap-2 h-full">
<PrefetchLink
to="/posts"
className="mx-4 text-xl font-bold text-pink-600 hover:text-pink-400
dark:text-pink-300 dark:hover:text-pink-100"
onClick={() => {
scroll (0, 0)
}}>
</PrefetchLink>
<div ref={navRef} className="relative hidden md:flex h-full items-center">
<div aria-hidden
className={cn ('absolute top-1/2 -translate-y-1/2 h-full',
'bg-yellow-200 dark:bg-red-950',
'transition-[transform,width] duration-200 ease-out')}
style={{ width: hl.width,
transform: `translate(${ hl.left }px, -50%)`,
opacity: hl.visible ? 1 : 0 }}/>
{menu.map ((item, i) => (
<PrefetchLink
key={i}
to={item.to}
ref={(el: (HTMLAnchorElement | null)) => {
itemsRef.current[i] = el
}}
className={cn ('relative z-10 flex h-full items-center px-5',
(i === openItemIdx) && 'font-bold')}>
{item.name}
</PrefetchLink>))}
</div>
</div>
<TopNavUser user={user}/>
<a href="#"
className="md:hidden ml-auto pr-4
text-pink-600 hover:text-pink-400
dark:text-pink-300 dark:hover:text-pink-100"
onClick={ev => {
ev.preventDefault ()
setMenuOpen (!(menuOpen))
}}>
{menuOpen ? '×' : 'Menu'}
</a>
</nav>
<div className="relative hidden md:flex bg-yellow-200 dark:bg-red-950
items-center w-full min-h-[40px] overflow-hidden">
<AnimatePresence initial={false} custom={dir}>
<motion.div
key={activeIdx}
custom={dir}
variants={{ enter: (d: -1 | 1) => ({ y: d * 24, opacity: 0 }),
centre: { y: 0, opacity: 1 },
exit: (d: -1 | 1) => ({ y: (-d) * 24, opacity: 0 }) }}
className="absolute inset-0 flex items-center px-3"
initial="enter"
animate="centre"
exit="exit"
transition={{ duration: .2, ease: 'easeOut' }}>
{(menu[activeIdx]?.subMenu ?? [])
.filter (item => item.visible ?? true)
.map ((item, i) => (
'component' in item
? <Fragment key={`c-${ i }`}>{item.component}</Fragment>
: (
<PrefetchLink
key={`l-${ i }`}
to={item.to}
className="h-full flex items-center px-3">
{item.name}
</PrefetchLink>)))}
</motion.div>
</AnimatePresence>
</div>
<AnimatePresence initial={false}>
{menuOpen && (
<motion.div
key="spmenu"
className={cn ('flex flex-col md:hidden',
'bg-yellow-200 dark:bg-red-975 items-start')}
variants={{ closed: { clipPath: 'inset(0 0 100% 0)',
height: 0 },
open: { clipPath: 'inset(0 0 0% 0)',
height: 'auto' } }}
initial="closed"
animate="open"
exit="closed"
transition={{ duration: .2, ease: 'easeOut' }}>
<Separator/>
{menu.map ((item, i) => (
<Fragment key={i}>
<PrefetchLink
to={i === openItemIdx ? item.to : '#'}
className={cn ('w-full min-h-[40px] flex items-center pl-8',
((i === openItemIdx)
&& 'font-bold bg-yellow-50 dark:bg-red-950'))}
onClick={(ev: MouseEvent<HTMLAnchorElement>) => {
if (i !== openItemIdx)
{
ev.preventDefault ()
setOpenItemIdx (i)
}
}}>
{item.name}
</PrefetchLink>
<AnimatePresence initial={false}>
{i === openItemIdx && (
<motion.div
key={`sp-sub-${ i }`}
className="w-full bg-yellow-50 dark:bg-red-950"
variants={{ closed: { clipPath: 'inset(0 0 100% 0)',
height: 0,
opacity: 0 },
open: { clipPath: 'inset(0 0 0% 0)',
height: 'auto',
opacity: 1 } }}
initial="closed"
animate="open"
exit="closed"
transition={{ duration: .2, ease: 'easeOut' }}>
{item.subMenu
.filter (subItem => subItem.visible ?? true)
.map ((subItem, j) => (
'component' in subItem
? (
<Fragment key={`sp-c-${ i }-${ j }`}>
{subItem.component}
</Fragment>)
: (
<PrefetchLink
key={`sp-l-${ i }-${ j }`}
to={subItem.to}
className="w-full min-h-[36px] flex items-center pl-12">
{subItem.name}
</PrefetchLink>)))}
</motion.div>)}
</AnimatePresence>
</Fragment>))}
<TopNavUser user={user} sp/>
<Separator/>
</motion.div>)}
</AnimatePresence>
</>)
}) satisfies FC<Props>