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Script to discover all doc pages from the site navigation\n// Fetches the raw HTML and extracts internal doc links\n\nimport { blob } from \"https://esm.town/v/std/blob\";\n\nconst BASE_URL = \"https://code.claude.com\";\nconst DOCS_PREFIX = \"/docs/en/\";\n\nexport async function discoverPages(): Promise {\n const resp = await fetch(`${BASE_URL}/docs/en/overview`);\n const html = await resp.text();\n\n // Extract all internal doc links from the HTML\n const linkRegex = /href=\"(\\/docs\\/en\\/[^\"#?]+)\"/g;\n const found = new Set();\n let match;\n while ((match = linkRegex.exec(html)) !== null) {\n found.add(match[1]);\n }\n\n // Convert to full URLs and sort\n const pages = [...found].sort().map((path) => `${BASE_URL}${path}`);\n return pages;\n}\n\nexport async function getCachedPages(): Promise {\n try {\n const cached = await blob.getJSON(\"claude-code-docs-pages\") as any;\n if (cached && cached.pages && cached.updatedAt) {\n return cached.pages;\n }\n } catch {\n // no cache yet\n }\n return [];\n}\n\nexport async function refreshPageCache(): Promise {\n const pages = await discoverPages();\n await blob.setJSON(\"claude-code-docs-pages\", {\n pages,\n updatedAt: new Date().toISOString(),\n });\n console.log(`Cached ${pages.length} pages`);\n return pages;\n}\n\n// Run discovery when executed directly\nconst pages = await refreshPageCache();\nfor (const page of pages) {\n console.log(page);\n}\n","createdAt",["D",1776825079006],"branchVersion","branchId","765bf998-3da2-11f1-b7e5-42b51c65c3df","id","765a873e-3da2-11f1-b7e5-42b51c65c3df","claude-code-docs-tracker",["D",1776790340483],"deletedAt","legacyEnvVars","privacy","public","httpPrivacy","description","Daily scraper for code.claude.com/docs to track 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{ initDB, fetchPage, getLatestSnapshot, saveSnapshot } from \"./database.ts\";\n\nconst TARGET_URL = \"https://code.claude.com/docs/en/overview\";\n\nexport default async function(interval: Interval) {\n await initDB();\n\n console.log(`[${new Date().toISOString()}] Scraping ${TARGET_URL}...`);\n\n const content = await fetchPage(TARGET_URL);\n const latest = await getLatestSnapshot();\n\n const changed = !latest || (latest as any).content !== content;\n\n await saveSnapshot(content, changed);\n\n if (changed) {\n console.log(`✅ Change detected! New content length: ${content.length} (was: ${latest ? (latest as any).content_length : \"N/A\"})`);\n } else {\n console.log(`ℹ️ No changes. Content length: ${content.length}`);\n }\n}\n","label",[140],"58224fbc-3df3-11f1-84ce-42b51c65c3df",["D",1776825079006],[33],"4dd4e15a-3da3-11f1-9126-42b51c65c3df","database.ts","7661a956-3da2-11f1-b7e5-42b51c65c3df",3,["D",1776790701964],2,"import { sqlite } from \"https://esm.town/v/std/sqlite/main.ts\";\n\nconst TARGET_URL = \"https://code.claude.com/docs/en/overview\";\n\n// Initialize DB\nexport async function initDB() {\n await sqlite.execute(`CREATE TABLE IF NOT EXISTS snapshots (\n id INTEGER PRIMARY KEY AUTOINCREMENT,\n url TEXT NOT NULL,\n content TEXT NOT NULL,\n content_length INTEGER NOT NULL,\n fetched_at TEXT NOT NULL DEFAULT (datetime('now')),\n changed INTEGER NOT NULL DEFAULT 0\n )`);\n}\n\n// Fetch page content as plain text\nexport async function fetchPage(url: string): Promise {\n const resp = await fetch(url);\n if (!resp.ok) throw new Error(`Failed to fetch ${url}: ${resp.status}`);\n const html = await resp.text();\n // Strip HTML tags to get plain text for diffing\n return html\n .replace(/]*>[\\s\\S]*?<\\/script>/gi, \"\")\n .replace(/]*>[\\s\\S]*?<\\/style>/gi, \"\")\n .replace(/<[^>]+>/g, \" \")\n .replace(/\\s+/g, \" \")\n .trim();\n}\n\n// Get the latest snapshot\nexport async function getLatestSnapshot() {\n const result = await sqlite.execute(\n `SELECT * FROM snapshots WHERE url = ? ORDER BY id DESC LIMIT 1`,\n [TARGET_URL],\n );\n return result.rows[0] ?? null;\n}\n\n// Get all snapshots (most recent first)\nexport async function getSnapshots(limit = 50) {\n const result = await sqlite.execute(\n `SELECT id, url, content_length, fetched_at, changed FROM snapshots WHERE url = ? ORDER BY id DESC LIMIT ?`,\n [TARGET_URL, limit],\n );\n return result.rows;\n}\n\n// Get a single snapshot by ID\nexport async function getSnapshotById(id: number) {\n const result = await sqlite.execute(\n `SELECT * FROM snapshots WHERE id = ?`,\n [id],\n );\n return result.rows[0] ?? null;\n}\n\n// Save a new snapshot\nexport async function saveSnapshot(content: string, changed: boolean) {\n await sqlite.execute(\n `INSERT INTO snapshots (url, content, content_length, changed) VALUES (?, ?, ?, ?)`,\n [TARGET_URL, content, content.length, changed ? 1 : 0],\n );\n}\n",[154],"62f69bf0-3da3-11f1-bf2f-42b51c65c3df","dashboard.ts",5,["D",1776790737429],"http","import { initDB, getSnapshots, getSnapshotById } from \"./database.ts\";\nimport { parseVal } from \"https://esm.town/v/std/utils/index.ts\";\n\nfunction diffLines(oldText: string, newText: string): string {\n const oldLines = oldText.split(\". \");\n const newLines = newText.split(\". \");\n const oldSet = new Set(oldLines);\n const newSet = new Set(newLines);\n\n const added = newLines.filter(l => !oldSet.has(l));\n const removed = oldLines.filter(l => !newSet.has(l));\n\n let html = \"\";\n if (removed.length > 0) {\n html += `

🔴 Removed (${removed.length} sentences)

`;\n for (const line of removed.slice(0, 50)) {\n html += `

${escapeHtml(line)}

`;\n }\n html += `

`;\n }\n if (added.length > 0) {\n html += `

🟢 Added (${added.length} sentences)

`;\n for (const line of added.slice(0, 50)) {\n html += `

${escapeHtml(line)}

`;\n }\n html += `

`;\n }\n if (added.length === 0 && removed.length === 0) {\n html += `

No differences found.

`;\n }\n return html;\n}\n\nfunction escapeHtml(s: string): string {\n return s.replace(/&/g, \"&\").replace(//g, \">\").replace(/\"/g, \""\");\n}\n\nexport default async function(req: Request): Promise {\n await initDB();\n const url = new URL(req.url);\n\n // API: compare two snapshots\n if (url.pathname === \"/api/diff\") {\n const oldId = Number(url.searchParams.get(\"old\"));\n const newId = Number(url.searchParams.get(\"new\"));\n if (!oldId || !newId) return Response.json({ error: \"Provide ?old=ID&new=ID\" }, { status: 400 });\n const oldSnap = await getSnapshotById(oldId);\n const newSnap = await getSnapshotById(newId);\n if (!oldSnap || !newSnap) return Response.json({ error: \"Snapshot not found\" }, { status: 404 });\n return Response.json({\n old: { id: (oldSnap as any).id, fetched_at: (oldSnap as any).fetched_at, content_length: (oldSnap as any).content_length },\n new: { id: (newSnap as any).id, fetched_at: (newSnap as any).fetched_at, content_length: (newSnap as any).content_length },\n });\n }\n\n // API: get snapshot content\n if (url.pathname === \"/api/snapshot\") {\n const id = Number(url.searchParams.get(\"id\"));\n if (!id) return Response.json({ error: \"Provide ?id=ID\" }, { status: 400 });\n const snap = await getSnapshotById(id);\n if (!snap) return Response.json({ error: \"Not found\" }, { status: 404 });\n return Response.json(snap);\n }\n\n // View source\n if (url.pathname === \"/source\") {\n return new Response(null, { status: 302, headers: { Location: parseVal().links.self.val } });\n }\n\n // Diff page\n if (url.pathname === \"/diff\") {\n const oldId = Number(url.searchParams.get(\"old\"));\n const newId = Number(url.searchParams.get(\"new\"));\n if (!oldId || !newId) return new Response(\"Provide ?old=ID&new=ID\", { status: 400 });\n const oldSnap = await getSnapshotById(oldId);\n const newSnap = await getSnapshotById(newId);\n if (!oldSnap || !newSnap) return new Response(\"Snapshot not found\", { status: 404 });\n const diffHtml = diffLines((oldSnap as any).content, (newSnap as any).content);\n\n return new Response(\n `\n\n\nDiff — Claude Code Docs Tracker\n\n\n← Back\n

📊 Diff View

\n Comparing snapshot #${(oldSnap as any).id} (${(oldSnap as any).fetched_at})\n → #${(newSnap as any).id} (${(newSnap as any).fetched_at})\n

${diffHtml}

\n`,\n { headers: { \"Content-Type\": \"text/html\" } },\n );\n }\n\n // Main page — list snapshots\n const snapshots = await getSnapshots(100);\n\n let tableRows = \"\";\n for (let i = 0; i < snapshots.length; i++) {\n const s = snapshots[i] as any;\n const prev = snapshots[i + 1] as any;\n const changedBadge = s.changed\n ? `Changed`\n : `No change`;\n const diffLink = prev\n ? `View diff`\n : `First snapshot`;\n tableRows += `\n #${s.id}\n ${s.fetched_at}\n ${s.content_length.toLocaleString()} chars\n ${changedBadge}\n ${diffLink}\n `;\n }\n\n const html = `\n\n\nClaude Code Docs Tracker\n\n\n

📄 Claude Code Docs Tracker

Tracking changes to code.claude.com/docs/en/overview

\n View source ↗\n

\n\n${snapshots.length === 0\n ? `

No snapshots yet

The scraper runs daily. Check back tomorrow, or trigger it manually.

`\n : `

\n \n \n \n \n \n \n \n \n \n \n ${tableRows}\n

ID	Fetched At (UTC)	Size	Status	Diff

`}\n`;\n\n return new Response(html, { headers: { \"Content-Type\": \"text/html\" } });\n}\n",[162],"73d4bae2-3da3-11f1-8f73-42b51c65c3df","README.md","73d4bb78-3da3-11f1-8f73-42b51c65c3df",6,["D",1776790765720],"# 📄 Claude Code Docs Tracker\n\nAutomatically scrapes [code.claude.com/docs/en/overview](https://code.claude.com/docs/en/overview) once per day and tracks content changes over time.\n\n## How it works\n\n```mermaid\ngraph LR\n A[⏰ Daily Cron] --> B[Fetch page]\n B --> C{Content changed?}\n C -->|Yes| D[Save snapshot with changed=true]\n C -->|No| E[Save snapshot with changed=false]\n D --> F[📊 Dashboard]\n E --> F\n```\n\n## Files\n\n| File | Type | Description |\n|------|------|-------------|\n| `scraper.ts` | Interval (daily) | Fetches the page and stores a snapshot in SQLite |\n| `dashboard.ts` | HTTP | Web dashboard to view snapshot history and diffs |\n| `database.ts` | Script | Database helpers (init, queries, fetch logic) |\n\n## Dashboard\n\nThe dashboard shows:\n- **Snapshot history** — every daily fetch with timestamp and content size\n- **Change detection** — badges showing whether content changed\n- **Diff view** — sentence-level diff between any two snapshots\n",[169],"pulls","branches",1,"forks","envVars",{"_183":67,"_185":67},"connections",{"_183":67,"_184":67},"count","unfilledCount","emptyCount",{"_47":168,"_37":169,"_35":170,"_142":-5,"_45":46,"_44":171,"_144":30,"_42":204,"_13":67,"_38":26,"_40":173,"_29":30,"_148":-5,"_192":205,"_32":206},{"_47":161,"_37":162,"_35":61,"_142":-5,"_45":46,"_44":163,"_144":30,"_42":201,"_13":67,"_38":165,"_40":166,"_29":30,"_148":-5,"_192":202,"_32":203},{"_47":153,"_37":154,"_35":155,"_142":-5,"_45":46,"_44":156,"_144":30,"_42":198,"_13":158,"_38":39,"_40":159,"_29":30,"_148":-5,"_192":199,"_32":200},{"_47":150,"_37":33,"_35":36,"_142":-5,"_45":46,"_44":14,"_144":63,"_42":195,"_13":67,"_38":39,"_40":41,"_29":30,"_148":-5,"_192":196,"_32":197},{"_47":139,"_37":140,"_35":141,"_142":-5,"_45":46,"_44":143,"_144":30,"_42":191,"_13":67,"_38":146,"_40":147,"_29":30,"_148":-5,"_192":193,"_32":194},["D",1776790708438],"children",[],[140],["D",1776825079006],[],[33],["D",1776790701964],[],[154],["D",1776790737429],[],[162],["D",1776790765720],[],[169],["D",1776790340483],["D",1789509672838],{"_104":103,"_111":107},{"_104":103,"_105":-5,"_106":107,"_19":59,"_108":109,"_110":30},{"_13":93,"_37":94,"_47":46,"_95":48,"_96":-5,"_97":-5,"_98":-5,"_99":-5,"_100":-5,"_101":49,"_102":103},"ctx",{"_86":-5,"_131":245,"_246":247,"_248":249,"_250":30,"_251":30,"_252":30,"_253":63,"_254":-5,"_255":-7,"_256":-7,"_257":67,"_258":30,"_259":30,"_260":-5,"_261":30,"_262":30,"_263":30,"_264":-5},"ENV",{"_216":217,"_218":219,"_220":94,"_221":222,"_223":224,"_225":226,"_227":228,"_229":230,"_231":232,"_233":234,"_235":236,"_237":238,"_239":240,"_241":242,"_243":244},"REACT_APP_SENTRY_DSN","https://586020d86f05489db63a554690acf1e9@o1398359.ingest.sentry.io/6724499","RENDER_GIT_COMMIT","e87eb04e707cf64e7e532c8e8ec395f209e17f15","RENDER_GIT_BRANCH","POSTHOG_API_TOKEN","phc_nmoyuAkStEZuUp69rYlg1DZgrIt19Gx0Y4Hwf8tGgJP","POSTHOG_API_HOST","https://wart.val.town","WEB_API_TEMPLATE","https://{val}.web.val.run","APP_URL","https://www.val.town","MODULE_URL","https://esm.town","VANITY_WEB_API_TEMPLATE","https://{label}.val.run/","DENOLS_URL","https://lsp.val.town","NODE_ENV","production","CLOUDFLARE_TURNSTILE_SITE_KEY","0x4AAAAAACtaIZJH7s9rBMZ6","GOOGLE_CLIENT_ID","875989696899-jtsqkhlbdv5jrlsk8631p7ipjg3c6o62.apps.googleusercontent.com","STRIPE_PUBLISHABLE_KEY","pk_live_51N2zvWEpZTTLipIkVEwXrUG9AT0yeOOEYxszarZT1jpsZV58Ly6wlg3SltZpHN26CUalOBmUSY7adQRQiSkCZz2500qSXNkf8Y","API_URL","https://api.val.town",[],"preferencesKeybindings","default","preferencesTheme","light","preferencesFixers","preferencesCopilot","preferencesSelectionAi","preferencesCloseBrackets","preferencesChatPanelState","preferencesDprint","preferencesDenofmt","notificationCount","flagDenols","isBusinessOrgMember","businessOrgHandle","isBusinessOrgAdmin","isHigherTownieTier","navCollapsed","currentOrgId"]

Diff · v7