| (function () { |
| function compactText(text) { |
| return String(text || "").replace(/\s+/g, " ").trim(); |
| } |
|
|
| function clipText(text, maxLength = 180) { |
| const clean = String(text || ""); |
| return clean.length > maxLength ? `${clean.slice(0, maxLength - 3).trim()}...` : clean; |
| } |
|
|
| function metadataValue(line, key) { |
| const escaped = key.replace(/[.*+?^${}()|[\]\\]/g, "\\$&"); |
| return line.match(new RegExp(`\\b${escaped}=([^;\\n]+)`, "i"))?.[1]?.trim() || ""; |
| } |
|
|
| function safeUrl(value) { |
| let raw = String(value || "").trim(); |
| if (!raw) return ""; |
| if (raw.startsWith("//")) raw = `https:${raw}`; |
|
|
| try { |
| return new URL(raw).toString(); |
| } catch { |
| if (!/^[\w.-]+\.[a-z]{2,}(?::\d+)?(?:[/?#]|$)/i.test(raw)) return ""; |
|
|
| try { |
| return new URL(`https://${raw}`).toString(); |
| } catch { |
| return ""; |
| } |
| } |
| } |
|
|
| function domainFromUrl(value) { |
| const url = safeUrl(value); |
| if (!url) return ""; |
|
|
| try { |
| return new URL(url).hostname; |
| } catch { |
| return ""; |
| } |
| } |
|
|
| function displaySourceName(value) { |
| const clean = compactText(value); |
| if (!clean) return ""; |
|
|
| const domain = domainFromUrl(clean); |
| if (domain) return domain; |
|
|
| if (/[/\\]/.test(clean)) { |
| const basename = clean.split(/[/\\]/).filter(Boolean).pop() || clean; |
| return basename.replace(/[_-]+/g, " "); |
| } |
|
|
| return clean; |
| } |
|
|
| function sourceInitial(label) { |
| const clean = compactText(label).replace(/^www\./i, ""); |
| return (clean[0] || "?").toUpperCase(); |
| } |
|
|
| function sourceLogoUrl(source) { |
| const url = source?.url || (source?.domain ? `https://${source.domain}` : ""); |
| if (!url) return ""; |
| return `https://www.google.com/s2/favicons?domain_url=${encodeURIComponent(url)}&sz=64`; |
| } |
|
|
| function parseMetadataLine(line) { |
| const raw = String(line || "").trim(); |
| if (!/^\[\d+\]\s+/.test(raw)) return null; |
|
|
| const metadataText = raw.replace(/^\[\d+\]\s+/, ""); |
| const data = {}; |
|
|
| metadataText.split(";").forEach((part) => { |
| const index = part.indexOf("="); |
| if (index < 0) return; |
| const key = part.slice(0, index).trim().toLowerCase(); |
| const value = part.slice(index + 1).trim(); |
| if (key) data[key] = value; |
| }); |
|
|
| return Object.keys(data).length ? data : null; |
| } |
|
|
| function textCandidateFromJson(value) { |
| if (typeof value === "string") return value; |
|
|
| if (Array.isArray(value)) { |
| return value.map(textCandidateFromJson).filter(Boolean).join("\n\n"); |
| } |
|
|
| if (!value || typeof value !== "object") return ""; |
|
|
| for (const key of ["text", "raw_text", "content", "page_content", "body", "snippet", "summary"]) { |
| const candidate = textCandidateFromJson(value[key]); |
| if (candidate) return candidate; |
| } |
|
|
| if (value.document && typeof value.document === "object") { |
| return textCandidateFromJson(value.document); |
| } |
|
|
| return ""; |
| } |
|
|
| function stripProtocolTags(text) { |
| return String(text || "") |
| .replace(/\[Runtime instruction:\s*[\s\S]*?\]/gi, "") |
| .replace(/<\/?(think|query|result|answer|hand_motor_1|wait)>/gi, "") |
| .trim(); |
| } |
|
|
| function stripResultHeader(text) { |
| return String(text || "").replace(/^Query:\s*[\s\S]*?Retrieved Result:\s*/i, ""); |
| } |
|
|
| function cleanResultText(text) { |
| const stripped = stripResultHeader(stripProtocolTags(text)); |
| const lines = stripped.split(/\r?\n/); |
| const cleanLines = []; |
|
|
| for (const line of lines) { |
| const trimmed = line.trim(); |
|
|
| if (!trimmed) { |
| if (cleanLines.length && cleanLines[cleanLines.length - 1] !== "") cleanLines.push(""); |
| continue; |
| } |
|
|
| if (/^\[\d+\]\s+/.test(trimmed) && /\b(title|url|source|domain|path|id|chunk|score|rank|crawled|search_)/i.test(trimmed)) { |
| continue; |
| } |
|
|
| if (/^(title|url|domain|source|section|path|id|chunk|crawled|crawl_success|fit_markdown|scores):?\s*=/i.test(trimmed)) { |
| continue; |
| } |
|
|
| if (/^scores:\s+/i.test(trimmed)) { |
| continue; |
| } |
|
|
| if (/^(Retrieval chunk length|Retrieval policy|Retrieval count|Exposure reason|Document exposed|Documents exposed|Continuation chunk offset):/i.test(trimmed)) { |
| continue; |
| } |
|
|
| if (/^(If this document is sufficient|If this continuation is sufficient|No more documents remain)/i.test(trimmed)) { |
| continue; |
| } |
|
|
| cleanLines.push(line); |
| } |
|
|
| let clean = cleanLines.join("\n").trim(); |
| const jsonLike = clean.match(/^[\[{]/); |
|
|
| if (jsonLike) { |
| try { |
| const parsed = JSON.parse(clean); |
| const candidate = textCandidateFromJson(parsed); |
| if (candidate) clean = candidate; |
| } catch { |
| |
| } |
| } |
|
|
| return clean.replace(/\n{3,}/g, "\n\n").trim(); |
| } |
|
|
| function cleanPreviewText(text, maxLength = 520) { |
| return clipText(compactText(cleanResultText(text)), maxLength); |
| } |
|
|
| function sourceFromMetadata(metadata, rawText) { |
| const url = safeUrl(metadata.url || metadata.search_url || metadata.href); |
| const sourceName = metadata.domain || metadata.source || metadata.source_name || ""; |
| const sourceUrl = url || safeUrl(sourceName); |
| const domain = domainFromUrl(sourceUrl) || displaySourceName(sourceName); |
| const title = metadata.title || metadata.search_title || domain || "Retrieved source"; |
|
|
| return { |
| title: compactText(title), |
| url: sourceUrl, |
| domain: compactText(domain), |
| rawText: rawText || "", |
| previewText: cleanResultText(rawText || ""), |
| key: sourceUrl || `${compactText(domain)}:${compactText(title)}`, |
| }; |
| } |
|
|
| function sourcesFromResultContent(text) { |
| const rawText = String(text || ""); |
| const sources = []; |
| let currentMetadata = null; |
|
|
| function flushCurrent() { |
| if (!currentMetadata) return; |
| const source = sourceFromMetadata(currentMetadata, rawText); |
| if (source.title || source.domain || source.url) sources.push(source); |
| currentMetadata = null; |
| } |
|
|
| rawText.split(/\r?\n/).forEach((line) => { |
| const metadata = parseMetadataLine(line); |
| if (metadata) { |
| flushCurrent(); |
| currentMetadata = metadata; |
| return; |
| } |
|
|
| const trimmed = line.trim(); |
| const continuation = trimmed.match(/^(title|url|domain|source|source_name|search_title|search_url|href|path|section)=([\s\S]+)$/i); |
|
|
| if (currentMetadata && continuation) { |
| currentMetadata[continuation[1].toLowerCase()] = continuation[2].trim(); |
| return; |
| } |
|
|
| if (currentMetadata && trimmed && !/^[-*]/.test(trimmed)) { |
| flushCurrent(); |
| } |
| }); |
|
|
| flushCurrent(); |
|
|
| if (!sources.length) { |
| const url = rawText.match(/https?:\/\/[^\s;)"']+/i)?.[0] || ""; |
| if (url) { |
| sources.push(sourceFromMetadata({ url, title: domainFromUrl(url) }, rawText)); |
| } |
| } |
|
|
| return sources; |
| } |
|
|
| function sourcesFromSections(sections = []) { |
| const seen = new Set(); |
| const sources = []; |
|
|
| sections |
| .filter((section) => section.kind === "result") |
| .flatMap((section) => sourcesFromResultContent(section.content)) |
| .forEach((source) => { |
| const key = source.key || source.url || `${source.domain}:${source.title}`; |
| if (seen.has(key)) return; |
| seen.add(key); |
| sources.push(source); |
| }); |
|
|
| return sources.slice(0, 8); |
| } |
|
|
| function sourceLabelFromResult(text) { |
| const source = sourcesFromResultContent(text)[0]; |
| if (!source) return "Retrieved document"; |
| if (source.title && source.domain && source.title !== source.domain) { |
| return `${source.title} · ${source.domain}`; |
| } |
| return source.title || source.domain || "Retrieved document"; |
| } |
|
|
| window.SourceUtils = { |
| compactText, |
| clipText, |
| metadataValue, |
| safeUrl, |
| domainFromUrl, |
| displaySourceName, |
| sourceInitial, |
| sourceLogoUrl, |
| cleanResultText, |
| cleanPreviewText, |
| sourcesFromResultContent, |
| sourcesFromSections, |
| sourceLabelFromResult, |
| }; |
| })(); |
|
|
