| 1 | import { useCallback, useEffect, useMemo, useRef, useState } from "react"; |
| 2 | import { useVirtualizer } from "@tanstack/react-virtual"; |
| 3 | import type { EditorProps } from "../CodeViewer"; |
| 4 | import { highlightToHtml, shouldHighlightSource } from "../../lib/highlight"; |
| 5 | import { useT } from "../../lib/i18n"; |
| 6 | import { CopyButton } from "../CopyButton"; |
| 7 | import { |
| 8 | findCodeMatches, |
| 9 | MAX_REGEX_PATTERN_LENGTH, |
| 10 | MAX_REGEX_SOURCE_LENGTH, |
| 11 | MAX_SEARCH_MATCHES, |
| 12 | type CodeSearchMatch, |
| 13 | type CodeSearchResult, |
| 14 | type RegexSearchErrorCode, |
| 15 | } from "./codeSearch"; |
| 16 | import { startRegexSearch } from "./regexSearchClient"; |
| 17 | |
| 18 | export { findCodeMatches, MAX_SEARCH_MATCHES } from "./codeSearch"; |
| 19 | |
| 20 | // Line-numbered code viewer with virtual scroll and viewer-scoped search. |
| 21 | const VIRTUAL_THRESHOLD = 100; |
| 22 | const ROW_HEIGHT_ESTIMATE = 22; |
| 23 | const OVERSCAN = 15; |
| 24 | const SEARCH_DEBOUNCE_MS = 100; |
| 25 | const EMPTY_SEARCH_RESULT: CodeSearchResult = { matches: [], truncated: false }; |
| 26 | |
| 27 | interface RegexSearchState { |
| 28 | source: string; |
| 29 | query: string; |
| 30 | caseSensitive: boolean; |
| 31 | wholeWord: boolean; |
| 32 | status: "idle" | "pending" | "ready" | "error"; |
| 33 | result: CodeSearchResult; |
| 34 | error?: RegexSearchErrorCode; |
| 35 | detail?: string; |
| 36 | } |
| 37 | |
| 38 | // Insert mark elements into one already-highlighted line. Search offsets stay |
| 39 | // relative to raw source, so escaped entities and token span boundaries remain |
| 40 | // intact without rebuilding the full file HTML on every keystroke. |
| 41 | export function highlightLineMatches( |
| 42 | highlightedLineHtml: string, |
| 43 | matches: CodeSearchMatch[], |
| 44 | currentMatch?: CodeSearchMatch, |
| 45 | ): string { |
| 46 | if (matches.length === 0) return highlightedLineHtml; |
| 47 | |
| 48 | let htmlOffset = 0; |
| 49 | let sourceOffset = 0; |
| 50 | let matchIndex = 0; |
| 51 | let markOpen = false; |
| 52 | let result = ""; |
| 53 | |
| 54 | const openMark = () => ( |
| 55 | matches[matchIndex]?.absoluteStart === currentMatch?.absoluteStart |
| 56 | ? '<mark class="code-search-hl code-search-hl--current">' |
| 57 | : '<mark class="code-search-hl">' |
| 58 | ); |
| 59 | |
| 60 | while (htmlOffset < highlightedLineHtml.length) { |
| 61 | const char = highlightedLineHtml[htmlOffset]; |
| 62 | if (char === "<") { |
| 63 | const tagEnd = highlightedLineHtml.indexOf(">", htmlOffset); |
| 64 | if (tagEnd === -1) { |
| 65 | result += highlightedLineHtml.slice(htmlOffset); |
| 66 | break; |
| 67 | } |
| 68 | const tag = highlightedLineHtml.slice(htmlOffset, tagEnd + 1); |
| 69 | if (markOpen) result += "</mark>"; |
| 70 | result += tag; |
| 71 | if (markOpen) result += openMark(); |
| 72 | htmlOffset = tagEnd + 1; |
| 73 | continue; |
| 74 | } |
| 75 | |
| 76 | if (!markOpen && matches[matchIndex]?.start === sourceOffset) { |
| 77 | markOpen = true; |
| 78 | result += openMark(); |
| 79 | } |
| 80 | |
| 81 | let token: string; |
| 82 | let sourceLength: number; |
| 83 | if (char === "&") { |
| 84 | const entityEnd = highlightedLineHtml.indexOf(";", htmlOffset); |
| 85 | if (entityEnd !== -1) { |
| 86 | token = highlightedLineHtml.slice(htmlOffset, entityEnd + 1); |
| 87 | sourceLength = decodedEntityLength(token); |
| 88 | } else { |
| 89 | token = char; |
| 90 | sourceLength = 1; |
| 91 | } |
| 92 | } else { |
| 93 | const codePoint = highlightedLineHtml.codePointAt(htmlOffset) ?? 0; |
| 94 | sourceLength = codePoint > 0xffff ? 2 : 1; |
| 95 | token = highlightedLineHtml.slice(htmlOffset, htmlOffset + sourceLength); |
| 96 | } |
| 97 | |
| 98 | result += token; |
| 99 | htmlOffset += token.length; |
| 100 | sourceOffset += sourceLength; |
| 101 | |
| 102 | if (markOpen && matches[matchIndex]?.end === sourceOffset) { |
| 103 | result += "</mark>"; |
| 104 | markOpen = false; |
| 105 | matchIndex += 1; |
| 106 | } |
| 107 | } |
| 108 | |
| 109 | if (markOpen) result += "</mark>"; |
| 110 | return result; |
| 111 | } |
| 112 | |
| 113 | // A multiline highlight.js span may cross a newline. Each virtual row needs |
| 114 | // valid standalone HTML, so close active tags at the boundary and reopen the |
| 115 | // same stack on the next line. |
| 116 | export function splitHighlightedCodeLines(html: string): string[] { |
| 117 | const lines: string[] = []; |
| 118 | const openTags: string[] = []; |
| 119 | let current = ""; |
| 120 | let offset = 0; |
| 121 | |
| 122 | while (offset < html.length) { |
| 123 | if (html[offset] === "\n") { |
| 124 | current += closeTags(openTags); |
| 125 | lines.push(current); |
| 126 | current = openTags.join(""); |
| 127 | offset += 1; |
| 128 | continue; |
| 129 | } |
| 130 | if (html[offset] === "<") { |
| 131 | const tagEnd = html.indexOf(">", offset); |
| 132 | if (tagEnd !== -1) { |
| 133 | const tag = html.slice(offset, tagEnd + 1); |
| 134 | current += tag; |
| 135 | if (/^<(span|mark)\b/.test(tag)) { |
| 136 | openTags.push(tag); |
| 137 | } else if (/^<\/(span|mark)>$/.test(tag)) { |
| 138 | openTags.pop(); |
| 139 | } |
| 140 | offset = tagEnd + 1; |
| 141 | continue; |
| 142 | } |
| 143 | } |
| 144 | const codePoint = html.codePointAt(offset) ?? 0; |
| 145 | const length = codePoint > 0xffff ? 2 : 1; |
| 146 | current += html.slice(offset, offset + length); |
| 147 | offset += length; |
| 148 | } |
| 149 | |
| 150 | current += closeTags(openTags); |
| 151 | lines.push(current); |
| 152 | return lines; |
| 153 | } |
| 154 | |
| 155 | export default function LineNumberCode({ |
| 156 | value, |
| 157 | language, |
| 158 | showLineNumbers, |
| 159 | maxHeight, |
| 160 | scrollMode, |
| 161 | sourceSize, |
| 162 | searchRequestPending, |
| 163 | onSearchRequestConsumed, |
| 164 | }: EditorProps) { |
| 165 | const t = useT(); |
| 166 | const lines = useMemo(() => value.split("\n"), [value]); |
| 167 | const syntaxHighlight = shouldHighlightSource(value, sourceSize, lines.length); |
| 168 | const baseLineHtmls = useMemo( |
| 169 | () => syntaxHighlight |
| 170 | ? splitHighlightedCodeLines(highlightToHtml(value, language)) |
| 171 | : lines.map(escapeHtml), |
| 172 | [language, lines, syntaxHighlight, value], |
| 173 | ); |
| 174 | |
| 175 | const [searchOpen, setSearchOpen] = useState(false); |
| 176 | const [query, setQuery] = useState(""); |
| 177 | const [searchQuery, setSearchQuery] = useState(""); |
| 178 | const [caseSensitive, setCaseSensitive] = useState(false); |
| 179 | const [wholeWord, setWholeWord] = useState(false); |
| 180 | const [regexEnabled, setRegexEnabled] = useState(false); |
| 181 | const [regexSearchState, setRegexSearchState] = useState<RegexSearchState>({ |
| 182 | source: value, |
| 183 | query: "", |
| 184 | caseSensitive: false, |
| 185 | wholeWord: false, |
| 186 | status: "idle", |
| 187 | result: EMPTY_SEARCH_RESULT, |
| 188 | }); |
| 189 | const [currentMatchIdx, setCurrentMatchIdx] = useState(0); |
| 190 | const inputRef = useRef<HTMLInputElement>(null); |
| 191 | const searchTimerRef = useRef<number | null>(null); |
| 192 | const regexRequestIdRef = useRef(0); |
| 193 | |
| 194 | const openSearch = useCallback(() => { |
| 195 | setSearchOpen(true); |
| 196 | window.setTimeout(() => { |
| 197 | inputRef.current?.focus(); |
| 198 | inputRef.current?.select(); |
| 199 | }, 0); |
| 200 | }, []); |
| 201 | |
| 202 | useEffect(() => { |
| 203 | if (!searchRequestPending) return; |
| 204 | openSearch(); |
| 205 | onSearchRequestConsumed?.(); |
| 206 | }, [onSearchRequestConsumed, openSearch, searchRequestPending]); |
| 207 | |
| 208 | const literalSearchResult = useMemo( |
| 209 | () => regexEnabled |
| 210 | ? EMPTY_SEARCH_RESULT |
| 211 | : findCodeMatches(lines, searchQuery, caseSensitive, wholeWord), |
| 212 | [caseSensitive, lines, regexEnabled, searchQuery, wholeWord], |
| 213 | ); |
| 214 | const regexStateIsCurrent = |
| 215 | regexSearchState.source === value |
| 216 | && regexSearchState.query === searchQuery |
| 217 | && regexSearchState.caseSensitive === caseSensitive |
| 218 | && regexSearchState.wholeWord === wholeWord; |
| 219 | const regexSearchPending = Boolean( |
| 220 | regexEnabled |
| 221 | && searchQuery |
| 222 | && (!regexStateIsCurrent || regexSearchState.status === "pending"), |
| 223 | ); |
| 224 | const regexSearchError = regexEnabled |
| 225 | && regexStateIsCurrent |
| 226 | && regexSearchState.status === "error" |
| 227 | ? regexSearchState.error |
| 228 | : undefined; |
| 229 | const searchResult = regexEnabled |
| 230 | ? regexStateIsCurrent && regexSearchState.status === "ready" |
| 231 | ? regexSearchState.result |
| 232 | : EMPTY_SEARCH_RESULT |
| 233 | : literalSearchResult; |
| 234 | const matches = searchResult.matches; |
| 235 | const totalMatches = matches.length; |
| 236 | const activeMatchIndex = totalMatches > 0 ? currentMatchIdx % totalMatches : 0; |
| 237 | const activeMatch = matches[activeMatchIndex]; |
| 238 | const matchesByLine = useMemo( |
| 239 | () => { |
| 240 | const grouped = new Map<number, CodeSearchMatch[]>(); |
| 241 | for (const match of matches) { |
| 242 | const lineMatches = grouped.get(match.lineIndex); |
| 243 | if (lineMatches) lineMatches.push(match); |
| 244 | else grouped.set(match.lineIndex, [match]); |
| 245 | } |
| 246 | return grouped; |
| 247 | }, |
| 248 | [matches], |
| 249 | ); |
| 250 | const searchPending = query !== searchQuery || regexSearchPending; |
| 251 | |
| 252 | useEffect(() => { |
| 253 | regexRequestIdRef.current += 1; |
| 254 | const requestId = regexRequestIdRef.current; |
| 255 | const baseState = { |
| 256 | source: value, |
| 257 | query: searchQuery, |
| 258 | caseSensitive, |
| 259 | wholeWord, |
| 260 | result: EMPTY_SEARCH_RESULT, |
| 261 | }; |
| 262 | |
| 263 | if (!regexEnabled || !searchQuery) { |
| 264 | setRegexSearchState({ ...baseState, status: "idle" }); |
| 265 | return; |
| 266 | } |
| 267 | if (searchQuery.length > MAX_REGEX_PATTERN_LENGTH) { |
| 268 | setRegexSearchState({ ...baseState, status: "error", error: "pattern_too_long" }); |
| 269 | return; |
| 270 | } |
| 271 | if (value.length > MAX_REGEX_SOURCE_LENGTH) { |
| 272 | setRegexSearchState({ ...baseState, status: "error", error: "source_too_large" }); |
| 273 | return; |
| 274 | } |
| 275 | |
| 276 | setRegexSearchState({ ...baseState, status: "pending" }); |
| 277 | return startRegexSearch( |
| 278 | { |
| 279 | requestId, |
| 280 | source: value, |
| 281 | pattern: searchQuery, |
| 282 | caseSensitive, |
| 283 | wholeWord, |
| 284 | maxMatches: MAX_SEARCH_MATCHES, |
| 285 | }, |
| 286 | { |
| 287 | onResponse: (response) => { |
| 288 | if (response.requestId !== regexRequestIdRef.current) return; |
| 289 | if (response.ok) { |
| 290 | setRegexSearchState({ ...baseState, status: "ready", result: response.result }); |
| 291 | } else { |
| 292 | setRegexSearchState({ |
| 293 | ...baseState, |
| 294 | status: "error", |
| 295 | error: response.error, |
| 296 | detail: response.detail, |
| 297 | }); |
| 298 | } |
| 299 | }, |
| 300 | }, |
| 301 | ); |
| 302 | }, [caseSensitive, regexEnabled, searchQuery, value, wholeWord]); |
| 303 | |
| 304 | useEffect(() => { |
| 305 | return () => { |
| 306 | if (searchTimerRef.current != null) window.clearTimeout(searchTimerRef.current); |
| 307 | }; |
| 308 | }, []); |
| 309 | |
| 310 | const commitSearchQuery = useCallback((nextQuery: string) => { |
| 311 | if (searchTimerRef.current != null) { |
| 312 | window.clearTimeout(searchTimerRef.current); |
| 313 | searchTimerRef.current = null; |
| 314 | } |
| 315 | setCurrentMatchIdx(0); |
| 316 | setSearchQuery(nextQuery); |
| 317 | }, []); |
| 318 | |
| 319 | const updateQuery = useCallback((nextQuery: string) => { |
| 320 | setQuery(nextQuery); |
| 321 | setCurrentMatchIdx(0); |
| 322 | if (searchTimerRef.current != null) window.clearTimeout(searchTimerRef.current); |
| 323 | searchTimerRef.current = window.setTimeout(() => { |
| 324 | searchTimerRef.current = null; |
| 325 | setSearchQuery(nextQuery); |
| 326 | }, SEARCH_DEBOUNCE_MS); |
| 327 | }, []); |
| 328 | |
| 329 | const closeSearch = useCallback(() => { |
| 330 | setSearchOpen(false); |
| 331 | setQuery(""); |
| 332 | commitSearchQuery(""); |
| 333 | }, [commitSearchQuery]); |
| 334 | |
| 335 | const scrollRef = useRef<HTMLDivElement>(null); |
| 336 | const isVirtual = showLineNumbers !== false && lines.length > VIRTUAL_THRESHOLD; |
| 337 | const bounded = scrollMode === "bounded" || (scrollMode !== "expand" && maxHeight != null) || isVirtual; |
| 338 | const virtualizer = useVirtualizer({ |
| 339 | count: isVirtual ? lines.length : 0, |
| 340 | getScrollElement: () => scrollRef.current, |
| 341 | estimateSize: () => ROW_HEIGHT_ESTIMATE, |
| 342 | overscan: OVERSCAN, |
| 343 | // Syntax-highlighted rows can still require measurement when the user |
| 344 | // changes typography, but measurement/scroll updates should not feed a |
| 345 | // React render loop for a long code block. |
| 346 | directDomUpdates: true, |
| 347 | }); |
| 348 | |
| 349 | // The virtualizer writes positioning straight onto DOM nodes (container |
| 350 | // height, scroll offset, per-row transforms). When a large (virtual) file |
| 351 | // stays mounted via SWR and is replaced by a small (non-virtual) file, React |
| 352 | // reuses those nodes; clear the direct DOM writes so the non-virtual rows |
| 353 | // lay out fresh instead of keeping stale offsets and gaps. |
| 354 | useEffect(() => { |
| 355 | if (isVirtual) return; |
| 356 | const scrollEl = scrollRef.current; |
| 357 | if (!scrollEl) return; |
| 358 | scrollEl.scrollTop = 0; |
| 359 | const wrap = scrollEl.querySelector<HTMLElement>(".code-lines-wrap"); |
| 360 | if (!wrap) return; |
| 361 | wrap.style.removeProperty("height"); |
| 362 | wrap.querySelectorAll<HTMLElement>("[data-line-index]").forEach((row) => { |
| 363 | row.style.removeProperty("transform"); |
| 364 | row.style.removeProperty("position"); |
| 365 | row.style.removeProperty("top"); |
| 366 | row.style.removeProperty("left"); |
| 367 | row.style.removeProperty("width"); |
| 368 | }); |
| 369 | }, [isVirtual]); |
| 370 | |
| 371 | const scrollToLine = useCallback( |
| 372 | (index: number) => { |
| 373 | if (!scrollRef.current) return; |
| 374 | if (isVirtual) { |
| 375 | virtualizer.scrollToIndex(index, { align: "center" }); |
| 376 | } else { |
| 377 | const row = scrollRef.current.querySelector<HTMLElement>(`[data-line-index="${index}"]`); |
| 378 | if (row && typeof row.scrollIntoView === "function") { |
| 379 | row.scrollIntoView({ block: "center", inline: "nearest", behavior: "smooth" }); |
| 380 | } else { |
| 381 | scrollRef.current.scrollTo({ |
| 382 | top: index * ROW_HEIGHT_ESTIMATE - scrollRef.current.clientHeight / 2, |
| 383 | behavior: "smooth", |
| 384 | }); |
| 385 | } |
| 386 | } |
| 387 | }, |
| 388 | [isVirtual, virtualizer], |
| 389 | ); |
| 390 | const scrollToLineRef = useRef(scrollToLine); |
| 391 | scrollToLineRef.current = scrollToLine; |
| 392 | |
| 393 | useEffect(() => { |
| 394 | setCurrentMatchIdx(0); |
| 395 | if (!searchQuery || !matches[0]) return; |
| 396 | const timer = window.setTimeout(() => scrollToLineRef.current(matches[0].lineIndex), 0); |
| 397 | return () => window.clearTimeout(timer); |
| 398 | }, [matches, searchQuery]); |
| 399 | |
| 400 | const jumpToMatch = useCallback( |
| 401 | (direction: 1 | -1) => { |
| 402 | if (searchPending) { |
| 403 | commitSearchQuery(query); |
| 404 | return; |
| 405 | } |
| 406 | if (totalMatches === 0) return; |
| 407 | const nextIndex = direction === 1 |
| 408 | ? (activeMatchIndex + 1) % totalMatches |
| 409 | : (activeMatchIndex - 1 + totalMatches) % totalMatches; |
| 410 | setCurrentMatchIdx(nextIndex); |
| 411 | const lineIndex = matches[nextIndex]?.lineIndex; |
| 412 | if (lineIndex != null) scrollToLine(lineIndex); |
| 413 | }, |
| 414 | [activeMatchIndex, commitSearchQuery, matches, query, scrollToLine, searchPending, totalMatches], |
| 415 | ); |
| 416 | |
| 417 | const lineNoWidth = String(lines.length).length; |
| 418 | const renderRow = (index: number) => { |
| 419 | const lineNo = index + 1; |
| 420 | const lineMatches = matchesByLine.get(index) ?? []; |
| 421 | const lineHtml = lineMatches.length > 0 |
| 422 | ? highlightLineMatches(baseLineHtmls[index] ?? "", lineMatches, activeMatch) |
| 423 | : baseLineHtmls[index] ?? ""; |
| 424 | const hasSettledSearch = searchQuery && !searchPending && !regexSearchError; |
| 425 | const isCurrent = hasSettledSearch && activeMatch?.lineIndex === index; |
| 426 | const isDimmed = hasSettledSearch && !matchesByLine.has(index); |
| 427 | return ( |
| 428 | <div |
| 429 | key={index} |
| 430 | data-line-index={index} |
| 431 | className={`code-line-row${isCurrent ? " code-line-row--current" : ""}${isDimmed ? " code-line-row--dim" : ""}`} |
| 432 | style={{ transform: "none" }} |
| 433 | > |
| 434 | {showLineNumbers !== false && ( |
| 435 | <span |
| 436 | className="code-line-ln" |
| 437 | style={{ minWidth: `${lineNoWidth + 2}ch` }} |
| 438 | aria-label={t("workspace.codeLine", { line: lineNo })} |
| 439 | > |
| 440 | {lineNo} |
| 441 | </span> |
| 442 | )} |
| 443 | <code |
| 444 | className="code-line-text" |
| 445 | dangerouslySetInnerHTML={{ __html: lineHtml || " " }} |
| 446 | /> |
| 447 | </div> |
| 448 | ); |
| 449 | }; |
| 450 | |
| 451 | const totalMatchLabel = searchResult.truncated ? `${totalMatches}+` : totalMatches; |
| 452 | const searchErrorLabel = (() => { |
| 453 | switch (regexSearchError) { |
| 454 | case "invalid_pattern": |
| 455 | return t("workspace.searchRegexInvalid"); |
| 456 | case "pattern_too_long": |
| 457 | return t("workspace.searchRegexTooLong"); |
| 458 | case "source_too_large": |
| 459 | return t("workspace.searchRegexSourceTooLarge"); |
| 460 | case "zero_length_unsupported": |
| 461 | return t("workspace.searchRegexZeroLength"); |
| 462 | case "multiline_unsupported": |
| 463 | return t("workspace.searchRegexMultiline"); |
| 464 | case "timeout": |
| 465 | return t("workspace.searchRegexTimeout"); |
| 466 | case "unavailable": |
| 467 | return t("workspace.searchRegexUnavailable"); |
| 468 | default: |
| 469 | return ""; |
| 470 | } |
| 471 | })(); |
| 472 | |
| 473 | return ( |
| 474 | <div |
| 475 | className="code-block__wrap" |
| 476 | onKeyDownCapture={(event) => { |
| 477 | if ((event.ctrlKey || event.metaKey) && event.key.toLowerCase() === "f") { |
| 478 | event.preventDefault(); |
| 479 | event.stopPropagation(); |
| 480 | openSearch(); |
| 481 | } else if (event.key === "Escape" && searchOpen) { |
| 482 | event.preventDefault(); |
| 483 | event.stopPropagation(); |
| 484 | closeSearch(); |
| 485 | window.setTimeout(() => scrollRef.current?.focus(), 0); |
| 486 | } |
| 487 | }} |
| 488 | > |
| 489 | {searchOpen && ( |
| 490 | <div className="code-search"> |
| 491 | <span className="code-search__icon" aria-hidden="true"> |
| 492 | <svg width="14" height="14" viewBox="0 0 16 16" fill="none" stroke="currentColor" strokeWidth="1.5" strokeLinecap="round"> |
| 493 | <circle cx="6.5" cy="6.5" r="5" /> |
| 494 | <path d="M10.5 10.5L14 14" /> |
| 495 | </svg> |
| 496 | </span> |
| 497 | <input |
| 498 | ref={inputRef} |
| 499 | type="text" |
| 500 | className="code-search__input" |
| 501 | placeholder={t("workspace.searchPlaceholder")} |
| 502 | value={query} |
| 503 | onChange={(event) => updateQuery(event.target.value)} |
| 504 | onKeyDown={(event) => { |
| 505 | if (event.key === "Enter") { |
| 506 | event.preventDefault(); |
| 507 | jumpToMatch(event.shiftKey ? -1 : 1); |
| 508 | } |
| 509 | }} |
| 510 | /> |
| 511 | |
| 512 | {query && ( |
| 513 | <span |
| 514 | className={`code-search__count${searchErrorLabel ? " code-search__count--error" : ""}`} |
| 515 | aria-live="polite" |
| 516 | title={searchErrorLabel ? regexSearchState.detail || searchErrorLabel : undefined} |
| 517 | > |
| 518 | {searchPending |
| 519 | ? t("common.loading") |
| 520 | : searchErrorLabel |
| 521 | ? searchErrorLabel |
| 522 | : totalMatches > 0 |
| 523 | ? t("workspace.searchCount", { |
| 524 | current: activeMatchIndex + 1, |
| 525 | total: totalMatchLabel, |
| 526 | }) |
| 527 | : t("workspace.searchNoResults")} |
| 528 | </span> |
| 529 | )} |
| 530 | |
| 531 | <div className="code-search__actions"> |
| 532 | <button |
| 533 | className={`code-search__toggle${caseSensitive ? " code-search__toggle--on" : ""}`} |
| 534 | onClick={() => { |
| 535 | setCurrentMatchIdx(0); |
| 536 | setCaseSensitive((enabled) => !enabled); |
| 537 | }} |
| 538 | aria-label={t("workspace.searchMatchCase")} |
| 539 | aria-pressed={caseSensitive} |
| 540 | title={t("workspace.searchMatchCase")} |
| 541 | type="button" |
| 542 | > |
| 543 | Aa |
| 544 | </button> |
| 545 | <button |
| 546 | className={`code-search__toggle${wholeWord ? " code-search__toggle--on" : ""}`} |
| 547 | onClick={() => { |
| 548 | setCurrentMatchIdx(0); |
| 549 | setWholeWord((enabled) => !enabled); |
| 550 | }} |
| 551 | aria-label={t("workspace.searchWholeWord")} |
| 552 | aria-pressed={wholeWord} |
| 553 | title={t("workspace.searchWholeWord")} |
| 554 | type="button" |
| 555 | > |
| 556 | ab |
| 557 | </button> |
| 558 | <button |
| 559 | className={`code-search__toggle${regexEnabled ? " code-search__toggle--on" : ""}`} |
| 560 | onClick={() => { |
| 561 | setCurrentMatchIdx(0); |
| 562 | setRegexEnabled((enabled) => !enabled); |
| 563 | }} |
| 564 | aria-label={t("workspace.searchRegex")} |
| 565 | aria-pressed={regexEnabled} |
| 566 | title={t("workspace.searchRegex")} |
| 567 | type="button" |
| 568 | > |
| 569 | .* |
| 570 | </button> |
| 571 | |
| 572 | {query && !searchPending && totalMatches > 0 && ( |
| 573 | <> |
| 574 | <button |
| 575 | className="code-search__nav" |
| 576 | onClick={() => jumpToMatch(-1)} |
| 577 | aria-label={t("workspace.searchPrevious")} |
| 578 | title={t("workspace.searchPrevious")} |
| 579 | type="button" |
| 580 | > |
| 581 | <svg width="12" height="12" viewBox="0 0 12 12"><path d="M6 2L2 6l4 4" fill="none" stroke="currentColor" strokeWidth="1.5" strokeLinecap="round" strokeLinejoin="round"/></svg> |
| 582 | </button> |
| 583 | <button |
| 584 | className="code-search__nav" |
| 585 | onClick={() => jumpToMatch(1)} |
| 586 | aria-label={t("workspace.searchNext")} |
| 587 | title={t("workspace.searchNext")} |
| 588 | type="button" |
| 589 | > |
| 590 | <svg width="12" height="12" viewBox="0 0 12 12"><path d="M2 2l4 4-4 4" fill="none" stroke="currentColor" strokeWidth="1.5" strokeLinecap="round" strokeLinejoin="round"/></svg> |
| 591 | </button> |
| 592 | </> |
| 593 | )} |
| 594 | |
| 595 | <CopyButton |
| 596 | text={value} |
| 597 | className="code-search__copy" |
| 598 | showInlineLabel={false} |
| 599 | /> |
| 600 | <button |
| 601 | className="code-search__close" |
| 602 | onClick={closeSearch} |
| 603 | aria-label={t("workspace.searchClose")} |
| 604 | title={t("workspace.searchClose")} |
| 605 | type="button" |
| 606 | > |
| 607 | ✕ |
| 608 | </button> |
| 609 | </div> |
| 610 | </div> |
| 611 | )} |
| 612 | |
| 613 | <div |
| 614 | ref={scrollRef} |
| 615 | className={`code hljs code--lines${bounded ? " code--scroll-y" : ""}`} |
| 616 | data-nested-scroll={bounded ? "" : undefined} |
| 617 | data-lang={language} |
| 618 | data-highlight-mode={syntaxHighlight ? "syntax" : "plain"} |
| 619 | tabIndex={0} |
| 620 | style={{ |
| 621 | maxHeight: maxHeight ?? undefined, |
| 622 | overflow: bounded ? "auto" : undefined, |
| 623 | }} |
| 624 | > |
| 625 | {isVirtual ? ( |
| 626 | <div |
| 627 | ref={virtualizer.containerRef} |
| 628 | className="code-lines-wrap" |
| 629 | style={{ width: "100%", position: "relative" }} |
| 630 | > |
| 631 | {virtualizer.getVirtualItems().map((row) => ( |
| 632 | <div |
| 633 | key={row.key} |
| 634 | data-index={row.index} |
| 635 | ref={virtualizer.measureElement} |
| 636 | style={{ |
| 637 | position: "absolute", |
| 638 | top: 0, |
| 639 | left: 0, |
| 640 | width: "100%", |
| 641 | // directDomUpdates writes the transform straight onto the |
| 642 | // DOM, but right after switching a non-virtual view to a |
| 643 | // virtual one the virtualizer may emit before its element |
| 644 | // cache is populated; rendering the offset here keeps the |
| 645 | // rows positioned (no stack-up) until then. |
| 646 | transform: `translate3d(0, ${row.start}px, 0)`, |
| 647 | }} |
| 648 | > |
| 649 | {renderRow(row.index)} |
| 650 | </div> |
| 651 | ))} |
| 652 | </div> |
| 653 | ) : ( |
| 654 | <div className="code-lines-wrap" style={{ height: undefined }}> |
| 655 | {lines.map((_, index) => renderRow(index))} |
| 656 | </div> |
| 657 | )} |
| 658 | </div> |
| 659 | {!searchOpen && <CopyButton text={value} className="code-block__copy" />} |
| 660 | </div> |
| 661 | ); |
| 662 | } |
| 663 | |
| 664 | function escapeHtml(value: string): string { |
| 665 | return value.replace(/[&<>]/g, (character) => ( |
| 666 | character === "&" ? "&" : character === "<" ? "<" : ">" |
| 667 | )); |
| 668 | } |
| 669 | |
| 670 | function decodedEntityLength(entity: string): number { |
| 671 | const body = entity.slice(1, -1).toLowerCase(); |
| 672 | if (["amp", "lt", "gt", "quot", "apos", "#39", "#x27"].includes(body)) return 1; |
| 673 | const numeric = body.startsWith("#x") |
| 674 | ? Number.parseInt(body.slice(2), 16) |
| 675 | : body.startsWith("#") |
| 676 | ? Number.parseInt(body.slice(1), 10) |
| 677 | : Number.NaN; |
| 678 | return Number.isFinite(numeric) && numeric >= 0 && numeric <= 0x10ffff |
| 679 | ? String.fromCodePoint(numeric).length |
| 680 | : entity.length; |
| 681 | } |
| 682 | |
| 683 | function closeTags(openTags: string[]): string { |
| 684 | return [...openTags] |
| 685 | .reverse() |
| 686 | .map((tag) => tag.startsWith("<mark") ? "</mark>" : "</span>") |
| 687 | .join(""); |
| 688 | } |
| 689 |