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React from \"npm:react@19\";\nimport { renderToStaticMarkup } from \"npm:react-dom@18/server\";\nimport { Layout } from \"../components/Layout.tsx\";\n\nexport function renderPage(inner: React.ReactElement): string {\n const body = renderToStaticMarkup(\n React.createElement(Layout, null, inner)\n );\n return `\n\n\n \n \n Book Library\n \n\n\n${body}\n\n`;\n}\n\nexport function htmlResponse(inner: React.ReactElement, status = 200): Response {\n return new Response(renderPage(inner), {\n headers: { \"Content-Type\": \"text/html; charset=utf-8\" },\n status,\n });\n}\n","import React from \"npm:react@19\";\nimport { renderToStaticMarkup } from \"npm:react-dom@19/server\";\nimport { Layout } from \"../components/Layout.tsx\";\n\nexport function renderPage(inner: React.ReactElement): string {\n const body = renderToStaticMarkup(\n React.createElement(Layout, null, inner)\n );\n return `\n\n\n \n \n Book Library\n \n\n\n${body}\n\n`;\n}\n\nexport function htmlResponse(inner: React.ReactElement, status = 200): Response {\n return new Response(renderPage(inner), {\n headers: { \"Content-Type\": \"text/html; charset=utf-8\" },\n status,\n });\n}\n","createdAt",["D",1784377232352],"branchVersion","branchId","e41194c2-6bd2-48cf-8cc0-c933b36c23b4","id","e61fb581-3c18-4a88-ba6b-e11b7b8d5073","biblio",["D",1784321400727],"deletedAt","legacyEnvVars","privacy","public","httpPrivacy","description","Browse books from Notion with grid + hold status detail 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Notion API client for querying a book database\nimport { sqlite } from \"https://esm.town/v/std/sqlite/main.ts\";\n\nconst NOTION_BASE = \"https://api.notion.com/v1\";\nconst NOTION_VERSION = \"2022-06-28\";\nconst OPEN_LIBRARY_SEARCH_BASE = \"https://openlibrary.org/search.json\";\nconst OPEN_LIBRARY_COVERS_BASE = \"https://covers.openlibrary.org/b/id\";\nconst COVER_CACHE_TABLE = \"book_cover_cache_v1\";\n\nlet coverCacheSetupPromise: Promise | null = null;\n\nexport interface Book {\n id: string;\n title: string;\n author: string;\n coverUrl: string | null;\n onHold: boolean;\n isbn: string | null;\n genre: string | null;\n description: string | null;\n notionUrl: string;\n rawProperties: Record;\n}\n\nfunction getText(prop: any): string {\n if (!prop) return \"\";\n if (prop.type === \"title\" && prop.title?.length) {\n return prop.title.map((t: any) => t.plain_text).join(\"\");\n }\n if (prop.type === \"rich_text\" && prop.rich_text?.length) {\n return prop.rich_text.map((t: any) => t.plain_text).join(\"\");\n }\n if (prop.type === \"select\" && prop.select) {\n return prop.select.name ?? \"\";\n }\n if (prop.type === \"url\" && prop.url) {\n return prop.url;\n }\n if (prop.type === \"number\" && prop.number !== null) {\n return String(prop.number);\n }\n if (prop.type === \"multi_select\" && prop.multi_select?.length) {\n return prop.multi_select.map((s: any) => s.name).join(\", \");\n }\n return \"\";\n}\n\nfunction getCheckbox(prop: any): boolean {\n if (!prop) return false;\n if (prop.type === \"checkbox\") return prop.checkbox ?? false;\n return false;\n}\n\nfunction getFileUrl(prop: any): string | null {\n if (!prop) return null;\n if (prop.type === \"files\" && prop.files?.length) {\n return prop.files[0]?.file?.url ?? prop.files[0]?.external?.url ?? null;\n }\n if (prop.type === \"url\" && prop.url) return prop.url;\n return null;\n}\n\n// Flexible property name lookup — tries common names\nfunction findProp(properties: Record, names: string[]): any {\n const lower = Object.keys(properties).reduce((acc, key) => {\n acc[key.toLowerCase()] = properties[key];\n return acc;\n }, {} as Record);\n for (const name of names) {\n const key = name.toLowerCase();\n if (lower[key]) return lower[key];\n }\n return null;\n}\n\nfunction normalizeIsbn(value: string | null): string | null {\n if (!value) return null;\n const normalized = value.replace(/[^0-9Xx]/g, \"\").toUpperCase();\n return normalized || null;\n}\n\nfunction normalizeLookupText(value: string): string {\n return value.trim().toLowerCase().replace(/\\s+/g, \" \");\n}\n\nasync function ensureCoverCacheTable(): Promise {\n if (!coverCacheSetupPromise) {\n coverCacheSetupPromise = sqlite.execute(`\n CREATE TABLE IF NOT EXISTS ${COVER_CACHE_TABLE} (\n cache_key TEXT PRIMARY KEY,\n cover_url TEXT NOT NULL,\n updated_at TEXT NOT NULL DEFAULT CURRENT_TIMESTAMP\n )\n `).then(() => undefined);\n }\n await coverCacheSetupPromise;\n}\n\nfunction getCoverCacheKeys(book: { title: string; author: string; isbn: string | null }): string[] {\n const keys = new Set();\n const normalizedIsbn = normalizeIsbn(book.isbn);\n if (normalizedIsbn) {\n keys.add(`isbn:${normalizedIsbn}`);\n }\n\n const normalizedTitle = normalizeLookupText(book.title);\n if (normalizedTitle) {\n const normalizedAuthor = normalizeLookupText(book.author || \"\");\n keys.add(`title-author:${normalizedTitle}|${normalizedAuthor}`);\n }\n\n return [...keys];\n}\n\nasync function getCachedCoverUrl(cacheKey: string): Promise {\n await ensureCoverCacheTable();\n const result = await sqlite.execute({\n sql: `SELECT cover_url FROM ${COVER_CACHE_TABLE} WHERE cache_key = ? LIMIT 1`,\n args: [cacheKey],\n });\n const row = result.rows[0] as { cover_url?: unknown } | undefined;\n return typeof row?.cover_url === \"string\" ? row.cover_url : null;\n}\n\nasync function setCachedCoverUrl(cacheKey: string, coverUrl: string): Promise {\n await ensureCoverCacheTable();\n await sqlite.execute({\n sql: `\n INSERT INTO ${COVER_CACHE_TABLE} (cache_key, cover_url, updated_at)\n VALUES (?, ?, CURRENT_TIMESTAMP)\n ON CONFLICT(cache_key) DO UPDATE SET\n cover_url = excluded.cover_url,\n updated_at = CURRENT_TIMESTAMP\n `,\n args: [cacheKey, coverUrl],\n });\n}\n\nasync function lookupOpenLibraryCoverByQuery(params: URLSearchParams): Promise {\n params.set(\"fields\", \"cover_i\");\n params.set(\"limit\", \"1\");\n\n const res = await fetch(`${OPEN_LIBRARY_SEARCH_BASE}?${params.toString()}`);\n if (!res.ok) return null;\n\n const data = await res.json();\n const coverId = data.docs?.[0]?.cover_i;\n if (!coverId) return null;\n return `${OPEN_LIBRARY_COVERS_BASE}/${coverId}-L.jpg`;\n}\n\nasync function findFallbackCoverUrl(book: { title: string; author: string; isbn: string | null }): Promise {\n const cacheKeys = getCoverCacheKeys(book);\n for (const cacheKey of cacheKeys) {\n const cachedCoverUrl = await getCachedCoverUrl(cacheKey);\n if (cachedCoverUrl) return cachedCoverUrl;\n }\n\n const normalizedIsbn = normalizeIsbn(book.isbn);\n let coverUrl: string | null = null;\n\n if (normalizedIsbn) {\n const byIsbn = await lookupOpenLibraryCoverByQuery(\n new URLSearchParams({ isbn: normalizedIsbn }),\n );\n if (byIsbn) {\n coverUrl = byIsbn;\n }\n }\n\n if (!coverUrl && !book.title) return null;\n\n if (!coverUrl) {\n const titleAuthorParams = new URLSearchParams({ title: book.title });\n if (book.author) {\n titleAuthorParams.set(\"author\", book.author);\n }\n coverUrl = await lookupOpenLibraryCoverByQuery(titleAuthorParams);\n }\n\n if (coverUrl) {\n await Promise.all(cacheKeys.map((cacheKey) => setCachedCoverUrl(cacheKey, coverUrl)));\n }\n\n return coverUrl;\n}\n\nfunction mapPageToBook(page: any): Book {\n const props = page.properties ?? {};\n\n const titleProp = findProp(props, [\n \"Title\", \"Name\", \"Book\", \"Book Title\", \"Nome\",\n ]);\n const authorProp = findProp(props, [\n \"Author\", \"Writer\", \"Autore\", \"By\",\n ]);\n const holdProp = findProp(props, [\n \"On Hold\", \"Hold\", \"Checked Out\", \"Reserved\", \"Prestato\",\n ]);\n const coverProp = findProp(props, [\n \"Cover\", \"Cover Image\", \"Image\", \"Image URL\", \"Copertina\",\n ]);\n const isbnProp = findProp(props, [\n \"ISBN\", \"ISBN-13\", \"ISBN-10\",\n ]);\n const genreProp = findProp(props, [\n \"Genre\", \"Category\", \"Tag\", \"Genere\", \"Tags\",\n ]);\n const descProp = findProp(props, [\n \"Description\", \"Summary\", \"Blurb\", \"Descrizione\", \"Notes\",\n ]);\n\n const pageCover = page.cover?.external?.url ?? page.cover?.file?.url ?? null;\n\n return {\n id: page.id,\n title: getText(titleProp) || \"Untitled\",\n author: getText(authorProp),\n coverUrl: getFileUrl(coverProp) ?? pageCover,\n onHold: getCheckbox(holdProp),\n isbn: getText(isbnProp) || null,\n genre: getText(genreProp) || null,\n description: getText(descProp) || null,\n notionUrl: page.url ?? \"\",\n rawProperties: props,\n } as Book;\n}\n\nexport async function fetchBooks(): Promise {\n const token = Deno.env.get(\"NOTION_TOKEN\");\n const databaseId = Deno.env.get(\"NOTION_DATABASE_ID\");\n\n if (!token || !databaseId) {\n throw new Error(\n \"Missing NOTION_TOKEN or NOTION_DATABASE_ID env vars. Set them in the val settings.\",\n );\n }\n\n // Extract the 32-char hex database ID from either a raw ID, a full Notion URL,\n // or a Notion URL with a title slug (e.g. .../ID-Book-Database?v=xxx)\n let cleanDbId = databaseId.trim();\n // If it looks like a URL, extract the path first\n if (cleanDbId.startsWith(\"http\")) {\n try {\n const url = new URL(cleanDbId);\n cleanDbId = url.pathname;\n } catch {\n // ignore — fall through to regex extraction\n }\n }\n // Remove query params/fragments\n cleanDbId = cleanDbId.split(/[?&#]/)[0];\n // Match a 32-char hex string (optionally with dashes as a UUID)\n const idMatch = cleanDbId.match(/[a-f0-9]{8}-?[a-f0-9]{4}-?[a-f0-9]{4}-?[a-f0-9]{4}-?[a-f0-9]{12}/i);\n if (idMatch) {\n cleanDbId = idMatch[0];\n } else {\n // Fallback: strip leading/trailing slashes and take what's left\n cleanDbId = cleanDbId.replace(/^\\/+|\\/+$/g, \"\");\n }\n\n const results: any[] = [];\n let hasMore = true;\n let cursor: string | undefined;\n\n while (hasMore) {\n const body: any = { page_size: 100 };\n if (cursor) body.start_cursor = cursor;\n\n const res = await fetch(\n `${NOTION_BASE}/databases/${cleanDbId}/query`,\n {\n method: \"POST\",\n headers: {\n \"Authorization\": `Bearer ${token}`,\n \"Notion-Version\": NOTION_VERSION,\n \"Content-Type\": \"application/json\",\n },\n body: JSON.stringify(body),\n },\n );\n\n if (!res.ok) {\n const text = await res.text();\n if (res.status === 404) {\n throw new Error(\n \"Notion database not found. Make sure you've shared the database with your integration: open the database in Notion → click ⋯ → Connections → select your integration.\",\n );\n }\n throw new Error(`Notion API error ${res.status}: ${text}`);\n }\n\n const data = await res.json();\n results.push(...data.results);\n hasMore = data.has_more;\n cursor = data.next_cursor;\n }\n\n const books = results.map(mapPageToBook);\n const fallbackResults = await Promise.allSettled(\n books.map((book) =>\n book.coverUrl\n ? Promise.resolve(book.coverUrl)\n : findFallbackCoverUrl(book)\n ),\n );\n\n return books.map((book, index) => {\n const fallback = fallbackResults[index];\n if (fallback.status !== \"fulfilled\") return book;\n\n return {\n ...book,\n coverUrl: fallback.value ?? book.coverUrl,\n };\n });\n}\n\nexport async function fetchBook(id: string): Promise {\n const token = Deno.env.get(\"NOTION_TOKEN\");\n if (!token) throw new Error(\"Missing NOTION_TOKEN env var\");\n\n const res = await fetch(`${NOTION_BASE}/pages/${id}`, {\n headers: {\n \"Authorization\": `Bearer ${token}`,\n \"Notion-Version\": NOTION_VERSION,\n },\n });\n\n if (!res.ok) return null;\n\n const page = await res.json();\n const book = mapPageToBook(page);\n\n if (!book.coverUrl) {\n const [fallback] = await Promise.allSettled([findFallbackCoverUrl(book)]);\n if (fallback.status === \"fulfilled\") {\n book.coverUrl = fallback.value;\n }\n }\n\n return book;\n}\n","label",[141],"b3a5e0dd-6ec3-4757-afd9-85b468116e92","main.tsx",86,["D",1784377196523],6,"http","import React from \"npm:react@19\";\nimport { fetchBooks, fetchBook } from \"./notion.ts\";\nimport { htmlResponse } from \"./lib/render.ts\";\nimport { ErrorPage } from \"./components/ErrorPage.tsx\";\nimport { GridPage } from \"./pages/GridPage.tsx\";\nimport { DetailPage } from \"./pages/DetailPage.tsx\";\n\nfunction splitGenres(genreValue: string | null): string[] {\n if (!genreValue) return [];\n return genreValue\n .split(\",\")\n .map((genre) => genre.trim())\n .filter(Boolean);\n}\n\nfunction hasGenre(bookGenre: string | null, selectedGenre: string): boolean {\n const selected = selectedGenre.trim().toLowerCase();\n if (!selected) return true;\n return splitGenres(bookGenre).some((genre) => genre.toLowerCase() === selected);\n}\n\nfunction hasTitle(bookTitle: string, titleQuery: string): boolean {\n const query = titleQuery.trim().toLowerCase();\n if (!query) return true;\n return bookTitle.toLowerCase().includes(query);\n}\n\nexport default async function handler(req: Request): Promise {\n const url = new URL(req.url);\n const path = url.pathname;\n const selectedGenre = (url.searchParams.get(\"genre\") ?? \"\").trim();\n const titleQuery = (url.searchParams.get(\"title\") ?? \"\").trim();\n\n try {\n // Book detail: /book/:id\n const bookMatch = path.match(/^\\/book\\/([\\w-]+)$/);\n\n if (bookMatch) {\n const book = await fetchBook(bookMatch[1]);\n if (!book) {\n return htmlResponse(\n ,\n 404,\n );\n }\n return htmlResponse(\n ,\n );\n }\n\n // Book grid: /\n const books = await fetchBooks();\n\n if (books.length === 0) {\n return htmlResponse(\n ,\n );\n }\n\n const availableGenres = [...new Set(books.flatMap((book) => splitGenres(book.genre)))]\n .sort((a, b) => a.localeCompare(b));\n const filteredBooks = books.filter((book) =>\n hasGenre(book.genre, selectedGenre) && hasTitle(book.title, titleQuery)\n );\n\n return htmlResponse(\n ,\n );\n } catch (err) {\n const message = err instanceof Error ? err.message : \"Unknown error\";\n return htmlResponse(\n ,\n 500,\n );\n }\n}\n","farthergate-biblio",[152],"1552070f-1d9c-46c4-af63-01a7507a96d5","deno.json","2943b6de-825b-11f1-85e1-1607ee4eb77e",22,["D",1784346347095],"{\n \"$schema\": \"https://raw.githubusercontent.com/denoland/deno/98f62cee78e85bfc47c62ed703777c6bc8794f1c/cli/schemas/config-file.v1.json\",\n \"lock\": false,\n \"compilerOptions\": {\n \"noImplicitAny\": false,\n \"strict\": true,\n \"types\": [\"https://www.val.town/types/valtown.d.ts\"],\n \"lib\": [\n \"dom\",\n \"dom.iterable\",\n \"dom.asynciterable\",\n \"deno.ns\",\n \"deno.unstable\"\n ]\n },\n \"lint\": {\n \"include\": [\"deno:/https/esm.town/**/*\"],\n \"rules\": {\n \"exclude\": [\"no-explicit-any\"]\n }\n },\n \"node_modules_dir\": false,\n \"experimental\": {\n \"unstable-node-globals\": true,\n \"unstable-temporal\": true,\n \"unstable-worker-options\": true,\n \"unstable-sloppy-imports\": true\n }\n}",[161],"56a7daec-0a20-4100-b92e-c0212c545eae","README.md","d00f3508-822c-11f1-b6c1-1607ee4eb77e",69,["D",1784347867486],4,"# 📚 Notion Book Library\n\nA web interface that pulls book data from a Notion database and displays it in a responsive grid with a detail page showing hold status.\n\n## Setup\n\n### 1. Notion Integration\n\n1. Go to [notion.so/my-integrations](https://www.notion.so/my-integrations) and create a new integration.\n2. Copy the **Internal Integration Secret** — this is your `NOTION_TOKEN`.\n3. Open your Notion book database, click `…` → `Connections` → add your integration.\n\n### 2. Notion Database\n\nYour database should have these properties (names are flexible — the code tries common variants):\n\n| Property | Type | Purpose |\n|---|---|---|\n| Title / Name | Title | Book title |\n| Author | Rich text or Select | Author name |\n| On Hold | Checkbox | Whether a hold has been placed |\n| Cover / Image | Files or URL | Book cover image (optional, auto-fetched from Open Library when missing) |\n| ISBN | Rich text | ISBN number (optional) |\n| Genre | Select or Multi-select | Genre tags (optional) |\n| Description | Rich text | Book description (optional) |\n\n### 3. Environment Variables\n\nSet these in the val's Environment Variables settings:\n\n- `NOTION_TOKEN` — your Notion integration token\n- `NOTION_DATABASE_ID` — the database ID (found in the database URL: `notion.so/DATABASE_ID?v=...`)\n\n## Routes\n\n- `/` — Book grid with all books from the database\n- `/book/:id` — Book detail page with cover, metadata, and hold status\n- `/?genre=Fantasy` — Filters the book grid by genre\n- `/?title=hobbit` — Searches books by title (case-insensitive)\n\nMissing covers are looked up from Open Library and cached in Val Town SQLite for faster subsequent requests.\n",[168],"f8741206-1b93-48da-83c7-5206caaff76c","AGENTS.md","2938c7ec-825b-11f1-85e1-1607ee4eb77e",87,["D",1784377223161],2,"You are an advanced assistant specialized in generating Val Town code.\n\n## Core Guidelines\n\n- Ask clarifying questions when requirements are ambiguous\n- Provide complete, functional solutions rather than skeleton implementations\n- Test your logic against edge cases before presenting the final solution\n- Ensure all code follows Val Town's specific platform requirements\n- If a section of code that you're working on is getting too complex, consider refactoring it into subcomponents\n\n## Code Standards\n\n- Generate code in TypeScript or TSX\n- Add appropriate TypeScript types and interfaces for all data structures\n- Prefer official SDKs or libraries than writing API calls directly\n- Ask the user to supply API or library documentation if you are at all unsure about it\n- **Never bake in secrets into the code** - always use environment variables\n- Include comments explaining complex logic (avoid commenting obvious operations)\n- Follow modern ES6+ conventions and functional programming practices if possible\n\n## Types of triggers\n\n### 1. HTTP Trigger\n\n- Create web APIs and endpoints\n- Handle HTTP requests and responses\n- Example structure:\n\n```ts\nexport default async function (req: Request) {\n return new Response(\"Hello World\");\n}\n```\n\nFiles that are HTTP triggers have http in their name like `foobar.http.tsx`\n\n### 2. Cron Triggers\n\n- Run on a schedule\n- Use cron expressions for timing\n- Example structure:\n\n```ts\nexport default async function () {\n // Scheduled task code\n}\n```\n\nFiles that are Cron triggers have cron in their name like `foobar.cron.tsx`\n\n### 3. Email Triggers\n\n- Process incoming emails\n- Handle email-based workflows\n- Example structure:\n\n```ts\nexport default async function (email: Email) {\n // Process email\n}\n```\n\nFiles that are Email triggers have email in their name like `foobar.email.tsx`\n\n\n## Val Town Standard Libraries\n\nVal Town provides several hosted services and utility functions.\n\n### Blob Storage\n\n```ts\nimport { blob } from \"https://esm.town/v/std/blob\";\nawait blob.setJSON(\"myKey\", { hello: \"world\" });\nlet blobDemo = await blob.getJSON(\"myKey\");\nlet appKeys = await blob.list(\"app_\");\nawait blob.delete(\"myKey\");\n```\n\n### SQLite\n\n```ts\nimport { sqlite } from \"https://esm.town/v/stevekrouse/sqlite\";\nconst TABLE_NAME = 'todo_app_users_2';\n// Create table - do this before usage and change table name when modifying schema\nawait sqlite.execute(`CREATE TABLE IF NOT EXISTS ${TABLE_NAME} (\n id INTEGER PRIMARY KEY AUTOINCREMENT,\n name TEXT NOT NULL\n)`);\n// Query data\nconst result = await sqlite.execute(`SELECT * FROM ${TABLE_NAME} WHERE id = ?`, [1]);\n```\n\nNote: When changing a SQLite table's schema, change the table's name (e.g., add _2 or _3) to create a fresh table.\n\n### OpenAI\n\n```ts\nimport { OpenAI } from \"https://esm.town/v/std/openai\";\nconst openai = new OpenAI();\nconst completion = await openai.chat.completions.create({\n messages: [\n { role: \"user\", content: \"Say hello in a creative way\" },\n ],\n model: \"gpt-4o-mini\",\n max_tokens: 30,\n});\n```\n\n### Email\n\n```ts\nimport { email } from \"https://esm.town/v/std/email\";\n// By default emails the owner of the val\nawait email({ \n subject: \"Hi\", \n text: \"Hi\", \n html: \"

Hi

\"\n});\n```\n\n## Val Town Utility Functions\n\nVal Town provides several utility functions to help with common project tasks.\n\n### Importing Utilities\n\nAlways import utilities with version pins to avoid breaking changes:\n\n```ts\nimport { parseProject, readFile, serveFile } from \"https://esm.town/v/std/utils@85-main/index.ts\";\n```\n\n### Available Utilities\n\n\n#### **serveFile** - Serve project files with proper content types\n\nFor example, in Hono:\n\n```ts\n// serve all files in frontend/ and shared/\napp.get(\"/frontend/*\", c => serveFile(c.req.path, import.meta.url));\napp.get(\"/shared/*\", c => serveFile(c.req.path, import.meta.url));\n```\n\n#### **readFile** - Read files from within the project:\n\n```ts\n// Read a file from the project\nconst fileContent = await readFile(\"/frontend/index.html\", import.meta.url);\n```\n\n#### **listFiles** - List all files in the project\n\n```ts\nconst files = await listFiles(import.meta.url);\n```\n\n#### **parseProject** - Extract information about the current project from import.meta.url\n\nThis is useful for including info for linking back to a val, ie in \"view source\" urls:\n\n```ts\nconst projectVal = parseProject(import.meta.url);\nconsole.log(projectVal.username); // Owner of the project\nconsole.log(projectVal.name); // Project name\nconsole.log(projectVal.version); // Version number\nconsole.log(projectVal.branch); // Branch name\nconsole.log(projectVal.links.self.project); // URL to the project page\n```\n\nHowever, it's *extremely importing* to note that `parseProject` and other Standard Library utilities ONLY RUN ON THE SERVER.\nIf you need access to this data on the client, run it in the server and pass it to the client by splicing it into the HTML page\nor by making an API request for it.\n\n## Val Town Platform Specifics\n\n- **Redirects:** Use `return new Response(null, { status: 302, headers: { Location: \"/place/to/redirect\" }})` instead of `Response.redirect` which is broken\n- **Images:** Avoid external images or base64 images. Use emojis, unicode symbols, or icon fonts/libraries instead\n- **AI Image:** To inline generate an AI image use: `

`\n- **Storage:** DO NOT use the Deno KV module for storage\n- **Browser APIs:** DO NOT use the `alert()`, `prompt()`, or `confirm()` methods\n- **Weather Data:** Use open-meteo for weather data (doesn't require API keys) unless otherwise specified\n- **View Source:** Add a view source link by importing & using `import.meta.url.replace(\"ems.sh\", \"val.town)\"` (or passing this data to the client) and include `target=\"_top\"` attribute\n- **Error Debugging:** Add `` to HTML to capture client-side errors\n- **Error Handling:** Only use try...catch when there's a clear local resolution; Avoid catches that merely log or return 500s. Let errors bubble up with full context\n- **Environment Variables:** Use `Deno.env.get('keyname')` when you need to, but generally prefer APIs that don't require keys\n- **Imports:** Use `https://esm.sh` for npm and Deno dependencies to ensure compatibility on server and browser\n- **Storage Strategy:** Only use backend storage if explicitly required; prefer simple static client-side sites\n- **React Configuration:** When using React libraries, pin versions with `?deps=react@19.2.0,react-dom@19.2.0` and start the file with `/** @jsxImportSource https://esm.sh/react@19.2.0 */`\n- Ensure all React dependencies and sub-dependencies are pinned to the same version\n- **Styling:** Default to using TailwindCSS via `` unless otherwise specified\n\n## Project Structure and Design Patterns\n\n### Recommended Directory Structure\n```\n├── backend/\n│ ├── database/\n│ │ ├── migrations.ts # Schema definitions\n│ │ ├── queries.ts # DB query functions\n│ │ └── README.md\n│ └── routes/ # Route modules\n│ ├── [route].ts\n│ └── static.ts # Static file serving\n│ ├── index.ts # Main entry point\n│ └── README.md\n├── frontend/\n│ ├── components/\n│ │ ├── App.tsx\n│ │ └── [Component].tsx\n│ ├── favicon.svg\n│ ├── index.html # Main HTML template\n│ ├── index.tsx # Frontend JS entry point\n│ ├── README.md\n│ └── style.css\n├── README.md\n└── shared/\n ├── README.md\n └── utils.ts # Shared types and functions\n```\n\n### Backend (Hono) Best Practices\n\n- Hono is the recommended API framework\n- Main entry point should be `backend/index.ts`\n- **Static asset serving:** Use the utility functions to read and serve project files:\n ```ts\n import { readFile, serveFile } from \"https://esm.town/v/std/utils@85-main/index.ts\";\n \n // serve all files in frontend/ and shared/\n app.get(\"/frontend/*\", c => serveFile(c.req.path, import.meta.url));\n app.get(\"/shared/*\", c => serveFile(c.req.path, import.meta.url));\n \n // For index.html, often you'll want to bootstrap with initial data\n app.get(\"/\", async c => {\n let html = await readFile(\"/frontend/index.html\", import.meta.url);\n \n // Inject data to avoid extra round-trips\n const initialData = await fetchInitialData();\n const dataScript = ``;\n \n html = html.replace(\"\", `${dataScript}`);\n return c.html(html);\n });\n ```\n- Create RESTful API routes for CRUD operations\n- Always include this snippet at the top-level Hono app to re-throwing errors to see full stack traces:\n ```ts\n // Unwrap Hono errors to see original error details\n app.onError((err, c) => {\n throw err;\n });\n ```\n\n### Database Patterns\n- Run migrations on startup or comment out for performance\n- Change table names when modifying schemas rather than altering\n- Export clear query functions with proper TypeScript typing\n\n## Common Gotchas and Solutions\n\n1. **Environment Limitations:** \n - Val Town runs on Deno in a serverless context, not Node.js\n - Code in `shared/` must work in both frontend and backend environments\n - Cannot use `Deno` keyword in shared code\n - Use `https://esm.sh` for imports that work in both environments\n\n2. **SQLite Peculiarities:**\n - Limited support for ALTER TABLE operations\n - Create new tables with updated schemas and copy data when needed\n - Always run table creation before querying\n\n3. **React Configuration:**\n - All React dependencies must be pinned to 19.2.0\n - Always include `@jsxImportSource https://esm.sh/react@19.2.0` at the top of React files\n - Rendering issues often come from mismatched React versions\n\n4. **File Handling:**\n - Val Town only supports text files, not binary\n - Use the provided utilities to read files across branches and forks\n - For files in the project, use `readFile` helpers\n\n5. **API Design:**\n - `fetch` handler is the entry point for HTTP vals\n - Run the Hono app with `export default app.fetch // This is the entry point for HTTP vals`\n\n",[176],"aeb8e3c4-e066-45b4-8372-78a1634bd2d2",".vtignore","294b7b94-825b-11f1-a3ad-1607ee4eb77e",23,["D",1784346347138],".git\n.vscode\n.cursorrules\n.DS_Store\nnode_modules\nvendor",[184],"84b0ccc3-878c-41fb-813a-dd927db618e0","pages","0dba9982-68ef-4cdb-9d5a-3567938b9fb2",13,["D",1784345329302],"directory",[191],"bf4140e3-7712-4511-bfa9-930663399015","lib","0651e6fd-87db-4254-b8f0-9570af674854",12,["D",1784345329290],[198],"e6871aa7-ed79-47ad-b841-831b761d0f5d","components","2c9b01f1-9c0a-4d3a-a163-2d0acede0225",11,["D",1784345329286],[204],"pulls","branches",1,"forks","envVars",{"_217":180,"_219":64},"connections",{"_217":64,"_218":64},"count","unfilledCount","emptyCount",{"_44":203,"_32":204,"_30":205,"_143":-5,"_42":43,"_41":206,"_145":60,"_39":325,"_13":64,"_34":195,"_36":-5,"_24":25,"_149":-5,"_239":326,"_27":327},{"_44":318,"_32":319,"_30":320,"_143":205,"_42":43,"_41":153,"_145":60,"_39":321,"_13":277,"_34":35,"_36":322,"_24":25,"_149":-5,"_239":323,"_27":324},{"_44":311,"_32":312,"_30":313,"_143":205,"_42":43,"_41":153,"_145":60,"_39":314,"_13":206,"_34":35,"_36":315,"_24":25,"_149":-5,"_239":316,"_27":317},{"_44":304,"_32":305,"_30":306,"_143":205,"_42":43,"_41":153,"_145":60,"_39":307,"_13":172,"_34":35,"_36":308,"_24":25,"_149":-5,"_239":309,"_27":310},{"_44":297,"_32":298,"_30":299,"_143":205,"_42":43,"_41":153,"_145":60,"_39":300,"_13":277,"_34":35,"_36":301,"_24":25,"_149":-5,"_239":302,"_27":303},{"_44":290,"_32":291,"_30":292,"_143":205,"_42":43,"_41":153,"_145":60,"_39":293,"_13":277,"_34":35,"_36":294,"_24":25,"_149":-5,"_239":295,"_27":296},{"_44":283,"_32":284,"_30":285,"_143":205,"_42":43,"_41":153,"_145":60,"_39":286,"_13":155,"_34":35,"_36":287,"_24":25,"_149":-5,"_239":288,"_27":289},{"_44":197,"_32":198,"_30":199,"_143":-5,"_42":43,"_41":200,"_145":60,"_39":280,"_13":64,"_34":195,"_36":-5,"_24":25,"_149":-5,"_239":281,"_27":282},{"_44":275,"_32":33,"_30":31,"_143":199,"_42":43,"_41":14,"_145":60,"_39":276,"_13":277,"_34":35,"_36":38,"_24":25,"_149":-5,"_239":278,"_27":279},{"_44":190,"_32":191,"_30":192,"_143":-5,"_42":43,"_41":193,"_145":60,"_39":272,"_13":64,"_34":195,"_36":-5,"_24":25,"_149":-5,"_239":273,"_27":274},{"_44":265,"_32":266,"_30":267,"_143":192,"_42":43,"_41":153,"_145":60,"_39":268,"_13":180,"_34":35,"_36":269,"_24":25,"_149":-5,"_239":270,"_27":271},{"_44":257,"_32":258,"_30":259,"_143":192,"_42":43,"_41":153,"_145":60,"_39":260,"_13":261,"_34":35,"_36":262,"_24":25,"_149":-5,"_239":263,"_27":264},{"_44":183,"_32":184,"_30":185,"_143":-5,"_42":43,"_41":186,"_145":60,"_39":254,"_13":64,"_34":20,"_36":188,"_24":25,"_149":-5,"_239":255,"_27":256},{"_44":175,"_32":176,"_30":177,"_143":-5,"_42":43,"_41":178,"_145":60,"_39":251,"_13":180,"_34":20,"_36":181,"_24":25,"_149":-5,"_239":252,"_27":253},{"_44":167,"_32":168,"_30":169,"_143":-5,"_42":43,"_41":170,"_145":60,"_39":248,"_13":172,"_34":20,"_36":173,"_24":25,"_149":-5,"_239":249,"_27":250},{"_44":160,"_32":161,"_30":162,"_143":-5,"_42":43,"_41":163,"_145":60,"_39":245,"_13":64,"_34":20,"_36":165,"_24":25,"_149":-5,"_239":246,"_27":247},{"_44":151,"_32":152,"_30":58,"_143":-5,"_42":43,"_41":153,"_145":60,"_39":242,"_13":155,"_34":156,"_36":157,"_24":25,"_149":158,"_239":243,"_27":244},{"_44":140,"_32":141,"_30":142,"_143":-5,"_42":43,"_41":144,"_145":60,"_39":238,"_13":147,"_34":35,"_36":148,"_24":25,"_149":-5,"_239":240,"_27":241},["D",1784346919151],"children",[],[141],["D",1784377196523],[],[152],["D",1784346347095],[],[161],["D",1784347867486],[],[168],["D",1784377223161],[],[176],["D",1784346347138],[],[184],"fb1a344a-d816-4af4-b063-ac7cd4f283b3","GridPage.tsx","e27e8668-8258-11f1-98ba-1607ee4eb77e",["D",1784377196523],9,"import React from \"npm:react@19\";\nimport type { Book } from \"../notion.ts\";\nimport { BookGrid } from \"../components/BookGrid.tsx\";\n\ninterface GridPageProps {\n books: Book[];\n genres: string[];\n selectedGenre: string;\n titleQuery: string;\n}\n\nexport function GridPage(\n { books, genres, selectedGenre, titleQuery }: GridPageProps,\n) {\n return (\n \n \n \n \n \n {genres.map((genre) => (\n \n ))}\n \n \n Search\n \n {(selectedGenre || titleQuery) && (\n \n Clear\n \n )}\n \n\n {books.length > 0\n ? \n : (\n

\n No books found for the selected filters.\n

\n )}\n \n );\n}",[],[191,258],"80f447d6-f6d0-446a-be64-47a4c04b6d14","DetailPage.tsx","cadb6dd2-8258-11f1-93e0-1607ee4eb77e",["D",1784377196523],"import React from \"npm:react@19\";\nimport type { Book } from \"../notion.ts\";\nimport { BookDetail } from \"../components/BookDetail.tsx\";\n\nexport function DetailPage({ book }: { book: Book }) {\n return ;\n}\n",[],[191,266],["D",1784345329302],[230,231],[191],"c382f729-58d7-4ca6-94b3-ad523a868e01",["D",1784377232352],3,[],[198,33],["D",1784345329290],[228],[198],"01aa9eab-eb14-4f55-a9fe-5dc4903abeab","Layout.tsx","e2672dc4-8258-11f1-9cc3-1607ee4eb77e",["D",1784377196523],"import React from \"npm:react@19\";\n\nexport function Layout({ children }: { children: React.ReactNode }) {\n return (\n \n

\n 📚 Book Library\n

{children}

\n \n );\n}\n",[],[204,284],"188ad89f-950a-44e6-a975-a9dfbb2b6bc8","ErrorPage.tsx","e297766e-8258-11f1-af03-1607ee4eb77e",["D",1784377196523],"import React from \"npm:react@19\";\n\nexport function ErrorPage({ message }: { message: string }) {\n return (\n

Something went wrong

{message}

\n );\n}\n",[],[204,291],"02e6edfc-d986-487a-9ebc-021ea438dcc6","Cover.tsx","ca9bfcd8-8258-11f1-af03-1607ee4eb77e",["D",1784377196523],"import React from \"npm:react@19\";\n\nexport function Cover({ url, alt }: {\n url: string | null;\n alt: string;\n}) {\n if (url) {\n return {alt}

;\n }\n return (\n

\n {alt}\n

\n );\n}\n",[],[204,298],"a0a0f7ef-b228-40ad-a071-aa9760deebd5","BookGrid.tsx","e2609310-8258-11f1-a17f-1607ee4eb77e",["D",1784377196523],"import React from \"npm:react@19\";\nimport type { Book } from \"../notion.ts\";\nimport { BookCard } from \"./BookCard.tsx\";\n\nexport function BookGrid({ books }: { books: Book[] }) {\n return (\n

\n {books.map((book) => (\n \n \n \n ))}\n

\n );\n}\n",[],[204,305],"7884fd7e-ffa6-4210-874b-7f178b2ff389","BookDetail.tsx","e26e338a-8258-11f1-8b21-1607ee4eb77e",["D",1784377196523],"import React from \"npm:react@19\";\nimport type { Book } from \"../notion.ts\";\nimport { Cover } from \"./Cover.tsx\";\n\nexport function BookDetail({ book }: { book: Book }) {\n const genres = (book.genre ?? \"\")\n .split(\",\")\n .map((genre) => genre.trim())\n .filter(Boolean);\n\n const metaRows: [string, string | null][] = [\n [\"ISBN\", book.isbn],\n ];\n\n return (\n \n \n ← Back to library\n \n

\n \n

{book.title}

\n\n {genres.length > 0 && (\n

\n {genres.map((genre) => (\n \n {genre}\n \n ))}\n

\n )}\n\n

{book.author || \"Unknown author\"}

\n\n

\n {book.onHold ? \"📕 On Hold\" : \"📗 Available\"}\n

\n\n

\n {metaRows\n .filter(([, v]) => v)\n .map(([label, value]) => (\n

\n {label}\n {value}\n

\n ))}\n

\n\n {book.description && (\n <>\n

{book.description}

\n \n )}\n\n \n View on Bookshop.org →\n \n

\n \n );\n}\n",[],[204,312],"328fab4d-4fc6-4f88-8d4d-bab36dfd8e71","BookCard.tsx","e2ca5ac0-8258-11f1-bd3f-1607ee4eb77e",["D",1784377196523],"import React from \"npm:react@19\";\nimport type { Book } from \"../notion.ts\";\nimport { Cover } from \"./Cover.tsx\";\n\nexport function BookCard({ book }: { book: Book }) {\n return (\n \n \n

{book.title}

{book.author || \"Unknown author\"}

\n \n {book.onHold ? \"On Hold\" : \"Available\"}\n \n

\n \n );\n}\n",[],[204,319],["D",1784345329286],[221,222,223,224,225,226],[204],["D",1784321400727],["D",1789473046147],{"_100":99,"_108":104},{"_100":99,"_101":102,"_103":104,"_18":56,"_105":106,"_107":25},{"_13":14,"_32":90,"_44":43,"_91":45,"_92":-5,"_93":-5,"_94":-5,"_95":-5,"_96":-5,"_97":46,"_98":99},"ctx",{"_83":-5,"_128":366,"_367":368,"_369":370,"_371":25,"_372":25,"_373":25,"_374":60,"_375":-5,"_376":-7,"_377":-7,"_378":64,"_379":25,"_380":25,"_381":-5,"_382":25,"_383":25,"_384":25,"_385":-5},"ENV",{"_337":338,"_339":340,"_341":90,"_342":343,"_344":345,"_346":347,"_348":349,"_350":351,"_352":353,"_354":355,"_356":357,"_358":359,"_360":361,"_362":363,"_364":365},"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 · v88