Add new generator switcher menu

src/app/components/Header.tsx

@@ -1,7 +1,9 @@
-import { getCurrentUrl, Link, route } from 'preact-router'
+import { getCurrentUrl, Link } from 'preact-router'
+import { useCallback, useMemo, useRef, useState } from 'preact/hooks'
+import type { ConfigGenerator } from '../Config.js'
 import config from '../Config.js'
 import { useLocale, useTheme, useTitle, useVersion } from '../contexts/index.js'
-import { checkVersion } from '../services/index.js'
+import { useFocus } from '../hooks/useFocus.js'
 import { cleanUrl, getGenerator, SOURCE_REPO_URL } from '../Utils.js'
 import { Btn, BtnMenu, Icons, Octicon } from './index.js'
 
@@ -14,22 +16,16 @@ const Themes: Record<string, keyof typeof Octicon> = {
 export function Header() {
 	const { lang, locale, changeLocale: changeLanguage } = useLocale()
 	const { theme, changeTheme } = useTheme()
-	const { version } = useVersion()
 	const { title } = useTitle()
 	const url = getCurrentUrl()
 	const gen = getGenerator(url)
 
 	return <header>
-		<div class="title">
-			<Link class="home-link" href="/" aria-label={locale('home')}>{Icons.home}</Link>
-			<h1 class="font-bold">{title}</h1>
-			{gen && <BtnMenu icon="chevron_down" tooltip={locale('switch_generator')}>
-				{config.generators
-					.filter(g => g.tags?.[0] === gen?.tags?.[0] && checkVersion(version, g.minVersion))
-					.map(g =>
-						<Btn label={locale(`generator.${g.id}`)} active={g.id === gen.id} onClick={() => route(cleanUrl(g.url))} />
-					)}
-			</BtnMenu>}
+		<div class="title flex items-center">
+			<Link class="home-link pr-1" href="/" aria-label={locale('home')}>{Icons.home}</Link>
+			{gen
+				? <GeneratorTitle title={title} gen={gen} />
+				: <h1 class="font-bold px-1 text-lg sm:text-2xl">{title}</h1>}
 		</div>
 		<nav>
 			<ul>
@@ -58,3 +54,60 @@ export function Header() {
 		</nav>
 	</header>
 }
+
+interface GeneratorTitleProps {
+	title: string
+	gen: ConfigGenerator
+}
+function GeneratorTitle({ title, gen }: GeneratorTitleProps) {
+	const { locale } = useLocale()
+	const { version } = useVersion()
+
+	const [active, setActive] = useFocus()
+	const [search, setSearch] = useState('')
+	const inputRef = useRef<HTMLInputElement>(null)
+
+	const icon = Object.keys(Icons).includes(gen.id) ? gen.id as keyof typeof Icons : undefined
+
+	const generators = useMemo(() => {
+		let result = config.generators
+			.filter(g => !g.dependency)
+			.map(g => ({ ...g, name: locale(`generator.${g.id}`).toLowerCase() }))
+		if (search) {
+			const parts = search.split(' ')
+			result = result.filter(g => parts.some(p => g.name.includes(p))
+				|| parts.some(p => g.tags?.some(t => t.includes(p)) ?? false))
+		}
+		result.sort((a, b) => a.name.localeCompare(b.name))
+		if (search) {
+			result.sort((a, b) => (b.name.startsWith(search) ? 1 : 0) - (a.name.startsWith(search) ? 1 : 0))
+		}
+		return result
+	}, [locale, version, search])
+
+	const open = useCallback(() => {
+		setActive(true)
+		setTimeout(() => {
+			inputRef.current?.select()
+		})
+	}, [setActive, inputRef])
+
+	return <div class="px-1 relative">
+		<h1 class="font-bold flex items-center cursor-pointer text-lg sm:text-2xl" onClick={open}>
+			{title}
+			{icon && Icons[icon]}
+		</h1>
+		<div class={`gen-menu absolute flex flex-col gap-2 p-2 rounded-lg drop-shadow-xl ${active ? '' : 'hidden'}`}>
+			<input ref={inputRef} type="text" class="py-1 px-2 w-full rounded" value={search} placeholder={locale('generators.search')} onInput={(e) => setSearch((e.target as HTMLInputElement).value)} onClick={e => e.stopPropagation()} />
+			{active && <div class="gen-results overflow-y-auto overscroll-none flex flex-col pr-2 h-96 max-h-max min-w-max">
+				{generators.length === 0 && <span class="note">{locale('generators.no_results')}</span>}
+				{generators.map(g =>
+					<Link class="flex items-center cursor-pointer no-underline rounded p-1" href={cleanUrl(g.url)} onClick={() => setActive(false)}>
+						{locale(`generator.${g.id}`)}
+						{Object.keys(Icons).includes(g.id) ? Icons[g.id as keyof typeof Icons] : undefined}
+					</Link>
+				)}
+			</div>}
+		</div>
+	</div>
+}