| 1 | "use client"; |
| 2 | |
| 3 | import { useState, useMemo, useRef, useCallback, useEffect } from "react"; |
| 4 | import Link from "next/link"; |
| 5 | import { |
| 6 | DOC_TOPICS, |
| 7 | docTopicHref, |
| 8 | docTopicIsExternal, |
| 9 | type DocTopic, |
| 10 | } from "@/lib/docs-map"; |
| 11 | import { docTopicHaystack } from "@/lib/search-utils"; |
| 12 | |
| 13 | /* ------------------------------------------------------------------ */ |
| 14 | /* Locale-aware strings */ |
| 15 | /* ------------------------------------------------------------------ */ |
| 16 | |
| 17 | const CATEGORY_LABELS: Record<string, { en: string; zh: string }> = { |
| 18 | "getting-started": { en: "Getting started", zh: "入门" }, |
| 19 | "core-concepts": { en: "Core concepts", zh: "核心概念" }, |
| 20 | reference: { en: "Reference", zh: "参考" }, |
| 21 | extending: { en: "Extending", zh: "扩展" }, |
| 22 | operations: { en: "Operations & community", zh: "运维与社区" }, |
| 23 | }; |
| 24 | |
| 25 | /* ------------------------------------------------------------------ */ |
| 26 | /* Link / source helpers (mirrored from the original page.tsx) */ |
| 27 | /* ------------------------------------------------------------------ */ |
| 28 | |
| 29 | function topicSources(topic: DocTopic): string[] { |
| 30 | return Array.isArray(topic.repoSource) ? topic.repoSource : [topic.repoSource]; |
| 31 | } |
| 32 | |
| 33 | /** |
| 34 | * Build a single lowercase haystack string for fuzzy matching. |
| 35 | * Delegates to the shared search-utils for testability. |
| 36 | * Includes both EN and ZH text so a user can search in either language |
| 37 | * regardless of the active locale. |
| 38 | */ |
| 39 | const topicHaystack = docTopicHaystack; |
| 40 | |
| 41 | /* ------------------------------------------------------------------ */ |
| 42 | /* Highlight helper */ |
| 43 | /* ------------------------------------------------------------------ */ |
| 44 | |
| 45 | function highlight(text: string, query: string): React.ReactNode { |
| 46 | const q = query.trim().toLowerCase(); |
| 47 | if (!q) return text; |
| 48 | const lower = text.toLowerCase(); |
| 49 | const idx = lower.indexOf(q); |
| 50 | if (idx === -1) return text; |
| 51 | return ( |
| 52 | <> |
| 53 | {text.slice(0, idx)} |
| 54 | <mark className="search-highlight">{text.slice(idx, idx + q.length)}</mark> |
| 55 | {text.slice(idx + q.length)} |
| 56 | </> |
| 57 | ); |
| 58 | } |
| 59 | |
| 60 | /* ------------------------------------------------------------------ */ |
| 61 | /* Topic row */ |
| 62 | /* ------------------------------------------------------------------ */ |
| 63 | |
| 64 | function TopicRow({ |
| 65 | topic, |
| 66 | locale, |
| 67 | query, |
| 68 | }: { |
| 69 | topic: DocTopic; |
| 70 | locale: string; |
| 71 | query: string; |
| 72 | }) { |
| 73 | const isZh = locale === "zh"; |
| 74 | const href = docTopicHref(topic, locale); |
| 75 | const sources = topicSources(topic); |
| 76 | const isExternal = docTopicIsExternal(topic); |
| 77 | |
| 78 | return ( |
| 79 | <Link |
| 80 | href={href} |
| 81 | target={isExternal ? "_blank" : undefined} |
| 82 | rel={isExternal ? "noreferrer" : undefined} |
| 83 | className="docs-topic-row" |
| 84 | > |
| 85 | <div className="docs-topic-main"> |
| 86 | <div className="docs-topic-title"> |
| 87 | {highlight(isZh ? topic.label.zh : topic.label.en, query)} |
| 88 | <span>{isExternal ? (isZh ? "源文档" : "Source doc") : (isZh ? "网页" : "Web guide")}</span> |
| 89 | </div> |
| 90 | <p> |
| 91 | {highlight(isZh ? topic.description.zh : topic.description.en, query)} |
| 92 | </p> |
| 93 | </div> |
| 94 | <div className="docs-topic-source"> |
| 95 | {sources.map((s, i) => ( |
| 96 | <span key={s}> |
| 97 | {i > 0 && ", "} |
| 98 | {highlight(s, query)} |
| 99 | </span> |
| 100 | ))} |
| 101 | </div> |
| 102 | <span className="docs-topic-arrow" aria-hidden="true">{isExternal ? "↗" : "→"}</span> |
| 103 | </Link> |
| 104 | ); |
| 105 | } |
| 106 | |
| 107 | /* ------------------------------------------------------------------ */ |
| 108 | /* Main component */ |
| 109 | /* ------------------------------------------------------------------ */ |
| 110 | |
| 111 | export function DocsSearch({ locale }: { locale: string }) { |
| 112 | const isZh = locale === "zh"; |
| 113 | const [query, setQuery] = useState(""); |
| 114 | const inputRef = useRef<HTMLInputElement>(null); |
| 115 | |
| 116 | // Precompute haystacks once. |
| 117 | const haystacks = useMemo(() => DOC_TOPICS.map(topicHaystack), []); |
| 118 | |
| 119 | // Filter topics by query. |
| 120 | const filteredTopics = useMemo(() => { |
| 121 | const q = query.trim().toLowerCase(); |
| 122 | if (!q) return DOC_TOPICS; |
| 123 | return DOC_TOPICS.filter((_, i) => haystacks[i].includes(q)); |
| 124 | }, [query, haystacks]); |
| 125 | |
| 126 | // Group filtered topics by category (preserve DOC_TOPICS order). |
| 127 | const grouped = useMemo(() => { |
| 128 | const map = new Map<string, DocTopic[]>(); |
| 129 | for (const t of filteredTopics) { |
| 130 | const group = map.get(t.category) ?? []; |
| 131 | group.push(t); |
| 132 | map.set(t.category, group); |
| 133 | } |
| 134 | return map; |
| 135 | }, [filteredTopics]); |
| 136 | |
| 137 | // Keyboard shortcut: focus search on "/". |
| 138 | const handleKeyDown = useCallback((e: KeyboardEvent) => { |
| 139 | if (e.key === "/" && document.activeElement?.tagName !== "INPUT") { |
| 140 | e.preventDefault(); |
| 141 | inputRef.current?.focus(); |
| 142 | } |
| 143 | }, []); |
| 144 | |
| 145 | useEffect(() => { |
| 146 | window.addEventListener("keydown", handleKeyDown); |
| 147 | return () => window.removeEventListener("keydown", handleKeyDown); |
| 148 | }, [handleKeyDown]); |
| 149 | |
| 150 | const total = DOC_TOPICS.length; |
| 151 | const matched = filteredTopics.length; |
| 152 | const hasQuery = query.trim().length > 0; |
| 153 | |
| 154 | return ( |
| 155 | <div className="docs-index"> |
| 156 | {/* Search bar */} |
| 157 | <div className="docs-search-block"> |
| 158 | <label htmlFor="docs-search" className="docs-search-label"> |
| 159 | {isZh ? "搜索文档" : "Search documentation"} |
| 160 | </label> |
| 161 | <div className="relative"> |
| 162 | <input |
| 163 | id="docs-search" |
| 164 | ref={inputRef} |
| 165 | type="text" |
| 166 | value={query} |
| 167 | onChange={(e) => setQuery(e.target.value)} |
| 168 | placeholder={ |
| 169 | isZh |
| 170 | ? "搜索文档…（按 / 快速聚焦）" |
| 171 | : "Search docs… (press / to focus)" |
| 172 | } |
| 173 | className="search-input docs-search-input w-full" |
| 174 | aria-label={isZh ? "搜索文档" : "Search documentation"} |
| 175 | /> |
| 176 | {hasQuery && ( |
| 177 | <button |
| 178 | type="button" |
| 179 | onClick={() => setQuery("")} |
| 180 | className="docs-search-clear" |
| 181 | aria-label={isZh ? "清除" : "Clear"} |
| 182 | > |
| 183 | ✕ |
| 184 | </button> |
| 185 | )} |
| 186 | </div> |
| 187 | {hasQuery && ( |
| 188 | <div className="docs-search-count" aria-live="polite"> |
| 189 | {matched > 0 |
| 190 | ? isZh |
| 191 | ? `${matched} / ${total} 篇文档匹配 "${query.trim()}"` |
| 192 | : `${matched} of ${total} docs match "${query.trim()}"` |
| 193 | : isZh |
| 194 | ? `未找到匹配 "${query.trim()}" 的文档` |
| 195 | : `No docs match "${query.trim()}"`} |
| 196 | </div> |
| 197 | )} |
| 198 | </div> |
| 199 | |
| 200 | {/* Results */} |
| 201 | {matched > 0 ? ( |
| 202 | <div className="docs-result-groups"> |
| 203 | {[...grouped.entries()].map(([cat, topics]) => ( |
| 204 | <section key={cat} id={cat} className="docs-result-group"> |
| 205 | <div className="docs-result-heading"> |
| 206 | <h2>{isZh ? CATEGORY_LABELS[cat]?.zh ?? cat : CATEGORY_LABELS[cat]?.en ?? cat}</h2> |
| 207 | <span>{topics.length}</span> |
| 208 | </div> |
| 209 | <div className="docs-topic-list"> |
| 210 | {topics.map((t) => ( |
| 211 | <TopicRow key={t.id} topic={t} locale={locale} query={query} /> |
| 212 | ))} |
| 213 | </div> |
| 214 | </section> |
| 215 | ))} |
| 216 | </div> |
| 217 | ) : ( |
| 218 | <div className="docs-empty"> |
| 219 | <p> |
| 220 | {isZh ? "未找到结果" : "No results found"} |
| 221 | </p> |
| 222 | <p> |
| 223 | {isZh |
| 224 | ? "尝试使用不同的关键字，或浏览 GitHub 上的完整文档。" |
| 225 | : "Try a different keyword, or browse the full docs on GitHub."} |
| 226 | </p> |
| 227 | <Link |
| 228 | href="https://github.com/Hmbown/CodeWhale/tree/main/docs" |
| 229 | target="_blank" |
| 230 | className="portal-button portal-button-secondary" |
| 231 | > |
| 232 | {isZh ? "GitHub 文档目录 ↗" : "GitHub docs directory ↗"} |
| 233 | </Link> |
| 234 | </div> |
| 235 | )} |
| 236 | |
| 237 | {/* Source note (only when not searching) */} |
| 238 | {!hasQuery && ( |
| 239 | <section className="docs-source-note"> |
| 240 | <p> |
| 241 | {isZh |
| 242 | ? "“网页”条目提供站内指南；“源文档”条目直接打开 GitHub 仓库中的完整参考资料。文档索引由仓库中的 docs-map.ts 注册表维护。" |
| 243 | : "Web guides stay on codewhale.net. Source docs open the complete reference in the GitHub repository. The index is maintained from the docs-map.ts registry in the repository."} |
| 244 | </p> |
| 245 | </section> |
| 246 | )} |
| 247 | </div> |
| 248 | ); |
| 249 | } |
| 250 |