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@18.2.0,react-dom@18.2.0` and start the file with `/** @jsxImportSource https://esm.sh/react@18.2.0 */`\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 18.2.0\n - Always include `@jsxImportSource https://esm.sh/react@18.2.0` 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",[],[79],"db954782-5220-11f1-9e90-ee650bb23af1",".vtignore","db954836-5220-11f1-9e90-ee650bb23af1",14,["D",1779043650142],".git\n.vscode\n.cursorrules\n.DS_Store\nnode_modules\nvendor",[],[87],["D",1779043649323],[97],[19],{"_34":35,"_13":36,"_37":38,"_39":40,"_41":42,"_43":44,"_45":46,"_47":98,"_17":49,"_50":51,"_52":53,"_54":55,"_56":-5,"_75":99,"_18":100},["D",1779043650064],[],[19,36],"daec5b40-5220-11f1-9b56-ee650bb23af1","frontend","daec5c12-5220-11f1-9b56-ee650bb23af1",1,["D",1779043649042],[108,109,110],[102],{"_34":127,"_13":128,"_37":129,"_39":103,"_41":42,"_43":130,"_45":46,"_47":131,"_17":49,"_50":61,"_52":-5,"_54":55,"_56":-5,"_75":132,"_18":133},{"_34":119,"_13":120,"_37":121,"_39":103,"_41":42,"_43":122,"_45":46,"_47":123,"_17":49,"_50":24,"_52":124,"_54":55,"_56":-5,"_75":125,"_18":126},{"_34":111,"_13":112,"_37":113,"_39":103,"_41":42,"_43":114,"_45":46,"_47":115,"_17":49,"_50":51,"_52":116,"_54":55,"_56":-5,"_75":117,"_18":118},"db7ee5d2-5220-11f1-a665-ee650bb23af1","index.tsx","db7ee672-5220-11f1-a665-ee650bb23af1",11,["D",1779043649832],"/** @jsxImportSource https://esm.sh/react@18.2.0 */\nimport { createRoot } from \"https://esm.sh/react-dom@18.2.0/client\";\nimport App from \"./components/App.tsx\";\n\nconst root = createRoot(document.getElementById(\"root\")!);\nroot.render();\n",[],[102,112],"db4e066a-5220-11f1-9b56-ee650bb23af1","index.html","db4e0714-5220-11f1-9b56-ee650bb23af1",5,["D",1779043649678],"\n\n \n \n \n Mosaic\n \n \n \n \n \n

\n \n \n\n",[],[102,120],"db30fe58-5220-11f1-90ef-ee650bb23af1","components","db30fef8-5220-11f1-90ef-ee650bb23af1",4,["D",1779043649484],[134,135],[102,128],{"_34":144,"_13":145,"_37":146,"_39":129,"_41":42,"_43":147,"_45":46,"_47":148,"_17":104,"_50":51,"_52":149,"_54":55,"_56":-5,"_75":150,"_18":151},{"_34":136,"_13":137,"_37":138,"_39":129,"_41":42,"_43":139,"_45":46,"_47":140,"_17":59,"_50":51,"_52":141,"_54":55,"_56":-5,"_75":142,"_18":143},"a9127d00-5227-11f1-b87e-ee650bb23af1","MosaicGrid.tsx","db64a3a2-5220-11f1-8be3-ee650bb23af1",34,["D",1779046571873],"/** @jsxImportSource https://esm.sh/react@18.2.0 */\nimport { useMemo } from \"https://esm.sh/react@18.2.0\";\nimport type { DayData } from \"../../shared/types.ts\";\n\n// ── Color normalization ────────────────────────────────────────────────────\n\nfunction hexToRgb(hex: string): [number, number, number] {\n return [\n parseInt(hex.slice(1, 3), 16) / 255,\n parseInt(hex.slice(3, 5), 16) / 255,\n parseInt(hex.slice(5, 7), 16) / 255,\n ];\n}\n\nfunction rgbToHsl(r: number, g: number, b: number): [number, number, number] {\n const max = Math.max(r, g, b), min = Math.min(r, g, b);\n const l = (max + min) / 2;\n if (max === min) return [0, 0, l];\n const d = max - min;\n const s = l > 0.5 ? d / (2 - max - min) : d / (max + min);\n let h: number;\n if (max === r) h = ((g - b) / d + (g < b ? 6 : 0)) / 6;\n else if (max === g) h = ((b - r) / d + 2) / 6;\n else h = ((r - g) / d + 4) / 6;\n return [h * 360, s, l];\n}\n\ntype ColorFamily = \"red\" | \"yellow\" | \"green\" | \"other\";\n\nfunction getFamily(hex: string): ColorFamily {\n const [r, g, b] = hexToRgb(hex);\n const [h, s] = rgbToHsl(r, g, b);\n if (s < 0.15) return \"other\";\n if (h < 30 || h >= 330) return \"red\";\n if (h < 80) return \"yellow\";\n if (h < 160) return \"green\";\n return \"other\";\n}\n\nfunction getLightness(hex: string): number {\n const [r, g, b] = hexToRgb(hex);\n const [, , l] = rgbToHsl(r, g, b);\n return l;\n}\n\n/** Build a map of family → lightest hex found across all day data */\nfunction buildLightestMap(days: DayData[]): Record {\n const lightest: Record = {\n red: null, yellow: null, green: null, other: null,\n };\n for (const day of days) {\n for (const hex of day.colors) {\n const family = getFamily(hex);\n const l = getLightness(hex);\n if (!lightest[family] || l > lightest[family]!.l) {\n lightest[family] = { hex, l };\n }\n }\n }\n return {\n red: lightest.red?.hex ?? null,\n yellow: lightest.yellow?.hex ?? null,\n green: lightest.green?.hex ?? null,\n other: lightest.other?.hex ?? null,\n };\n}\n\nfunction normalizeColor(hex: string, lightestMap: Record): string {\n const family = getFamily(hex);\n return lightestMap[family] ?? hex;\n}\n\nfunction shuffle(arr: T[]): T[] {\n const result = [...arr];\n for (let i = result.length - 1; i > 0; i--) {\n const j = Math.floor(Math.random() * (i + 1));\n [result[i], result[j]] = [result[j], result[i]];\n }\n return result;\n}\n\nfunction DayColumn({\n day,\n maxColors,\n darkMode,\n lightestMap,\n}: {\n day: DayData;\n maxColors: number;\n darkMode: boolean;\n lightestMap: Record;\n}) {\n const shuffledColors = useMemo(() => shuffle(day.colors), [day.date]);\n const normalizedColors = shuffledColors.map((c) => normalizeColor(c, lightestMap));\n const paddedColors = [\n ...normalizedColors,\n ...Array(Math.max(0, maxColors - normalizedColors.length)).fill(\"#ffffff\"),\n ];\n\n return (\n

\n \n {day.date}\n \n

\n {paddedColors.map((color, i) => (\n \n ))}\n

\n );\n}\n\ninterface MosaicGridProps {\n days: DayData[];\n view: \"7\" | \"28\";\n darkMode: boolean;\n}\n\nexport function MosaicGrid({ days, view, darkMode }: MosaicGridProps) {\n const maxColors = Math.max(...days.map((d) => d.colors.length), 0);\n const lightestMap = useMemo(() => buildLightestMap(days), [days]);\n\n return (\n

\n {days.map((day) => (\n \n ))}\n

\n );\n}\n",[],[102,128,137],"3faf0810-5227-11f1-be6f-ee650bb23af1","App.tsx","db5d55ac-5220-11f1-83c2-ee650bb23af1",32,["D",1779046395027],"/** @jsxImportSource https://esm.sh/react@18.2.0 */\nimport { useState, useEffect } from \"https://esm.sh/react@18.2.0\";\nimport { MosaicGrid } from \"./MosaicGrid.tsx\";\nimport type { DayData } from \"../../shared/types.ts\";\n\ntype View = \"7\" | \"28\";\n\nexport default function App() {\n const [view, setView] = useState(\"7\");\n const [data, setData] = useState([]);\n const [loading, setLoading] = useState(true);\n const [error, setError] = useState(null);\n const [darkMode, setDarkMode] = useState(false);\n\n useEffect(() => {\n setLoading(true);\n setError(null);\n fetch(`/api/colors?days=${view}`)\n .then((r) => {\n if (!r.ok) throw new Error(`HTTP ${r.status}`);\n return r.json();\n })\n .then((d: DayData[]) => {\n setData(d);\n setLoading(false);\n })\n .catch((e: Error) => {\n setError(e.message);\n setLoading(false);\n });\n }, [view]);\n\n const bg = darkMode ? \"#111111\" : \"#f9f9f9\";\n const textMuted = darkMode ? \"#666\" : \"#888\";\n const btnActiveBg = darkMode ? \"#ffffff\" : \"#000000\";\n const btnActiveColor = darkMode ? \"#000000\" : \"#ffffff\";\n const btnBorder = darkMode ? \"#444\" : \"#d0d0d0\";\n const btnColor = darkMode ? \"#777\" : \"#888\";\n\n return (\n \n {/* Controls row */}\n

\n {([\"7\", \"28\"] as View[]).map((v) => (\n setView(v)}\n style={{\n padding: \"4px 14px\",\n fontSize: \"12px\",\n borderRadius: \"4px\",\n border: view === v ? \"none\" : `1px solid ${btnBorder}`,\n background: view === v ? btnActiveBg : \"transparent\",\n color: view === v ? btnActiveColor : btnColor,\n cursor: \"pointer\",\n fontFamily: \"monospace\",\n transition: \"all 0.15s\",\n }}\n >\n {v}d\n \n ))}\n\n

\n\n setDarkMode((d) => !d)}\n title={darkMode ? \"Switch to light mode\" : \"Switch to dark mode\"}\n style={{\n padding: \"4px 10px\",\n fontSize: \"14px\",\n borderRadius: \"4px\",\n border: `1px solid ${btnBorder}`,\n background: \"transparent\",\n color: darkMode ? \"#f0c040\" : \"#555\",\n cursor: \"pointer\",\n lineHeight: 1,\n transition: \"all 0.15s\",\n }}\n >\n {darkMode ? \"☀\" : \"☾\"}\n \n

\n\n {/* Content */}\n {loading && (\n

\n loading…\n

\n )}\n {error && (\n

\n {error}\n

\n )}\n {!loading && !error && data.length === 0 && (\n

\n no data\n

\n )}\n {!loading && !error && data.length > 0 && (\n \n )}\n

\n );\n}\n",[],[102,128,145],"db00a618-5220-11f1-8514-ee650bb23af1","backend","db00a708-5220-11f1-8514-ee650bb23af1",2,["D",1779043649179],[159,160,161],[153],{"_34":179,"_13":180,"_37":181,"_39":154,"_41":42,"_43":182,"_45":46,"_47":183,"_17":59,"_50":51,"_52":184,"_54":55,"_56":-5,"_75":185,"_18":186},{"_34":170,"_13":171,"_37":172,"_39":154,"_41":42,"_43":173,"_45":46,"_47":174,"_17":104,"_50":175,"_52":176,"_54":55,"_56":-5,"_75":177,"_18":178},{"_34":162,"_13":163,"_37":164,"_39":154,"_41":42,"_43":165,"_45":46,"_47":166,"_17":59,"_50":51,"_52":167,"_54":55,"_56":-5,"_75":168,"_18":169},"7d9cbdee-5226-11f1-b7f7-ee650bb23af1","sheets.ts","db73ee5c-5220-11f1-b037-ee650bb23af1",30,["D",1779046069467],"import type { DayData } from \"../shared/types.ts\";\n\ninterface SheetsColor {\n red?: number;\n green?: number;\n blue?: number;\n}\n\ntype CellData = {\n formattedValue?: string;\n userEnteredFormat?: { backgroundColor?: SheetsColor };\n};\n\nfunction colorToHex(color: SheetsColor): string {\n const r = Math.round((color.red ?? 0) * 255);\n const g = Math.round((color.green ?? 0) * 255);\n const b = Math.round((color.blue ?? 0) * 255);\n return `#${r.toString(16).padStart(2, \"0\")}${g.toString(16).padStart(2, \"0\")}${b.toString(16).padStart(2, \"0\")}`;\n}\n\n// Cells that are white or near-white (unfilled / default background) are treated as empty\nfunction isWhiteOrEmpty(color: SheetsColor | undefined): boolean {\n if (!color) return true;\n const r = color.red ?? 1;\n const g = color.green ?? 1;\n const b = color.blue ?? 1;\n return r > 0.95 && g > 0.95 && b > 0.95;\n}\n\n// A row is a horizontal line break if every colored cell across all date columns\n// shares the same hex value — uniform fills are structural dividers, not metric data.\nfunction isLineBreakRow(rowColors: (string | null)[]): boolean {\n const colored = rowColors.filter((c): c is string => c !== null);\n if (colored.length < 2) return false;\n return colored.every((c) => c === colored[0]);\n}\n\nasync function resolveSheetTitle(\n spreadsheetId: string,\n gid: number,\n apiKey: string,\n): Promise {\n const url = new URL(\n `https://sheets.googleapis.com/v4/spreadsheets/${spreadsheetId}`,\n );\n url.searchParams.set(\"fields\", \"sheets.properties(sheetId,title)\");\n url.searchParams.set(\"key\", apiKey);\n\n const response = await fetch(url.toString());\n\n if (!response.ok) {\n const error = await response.text();\n throw new Error(`Sheets metadata error: ${error}`);\n }\n\n const meta = await response.json();\n const sheet = (meta.sheets as Array<{ properties: { sheetId: number; title: string } }>)\n ?.find((s) => s.properties.sheetId === gid);\n\n if (!sheet) throw new Error(`No sheet found with gid ${gid}`);\n return sheet.properties.title;\n}\n\n// Find the first row that contains 3+ consecutive non-empty formatted values.\n// That run of cells is treated as the date header row.\nfunction findDateRow(\n rowData: Array<{ values?: CellData[] }>,\n): { rowIdx: number; cols: number[] } | null {\n for (let r = 0; r < rowData.length; r++) {\n const values = rowData[r]?.values ?? [];\n let run: number[] = [];\n\n for (let c = 0; c < values.length; c++) {\n if (values[c]?.formattedValue) {\n run.push(c);\n } else {\n if (run.length >= 3) break;\n run = [];\n }\n }\n\n if (run.length >= 3) {\n // Extend the run to capture all remaining date columns\n const allCols: number[] = [];\n for (let c = run[0]; c < values.length; c++) {\n if (values[c]?.formattedValue) allCols.push(c);\n }\n return { rowIdx: r, cols: allCols };\n }\n }\n return null;\n}\n\nexport async function fetchColorData(): Promise {\n const spreadsheetId = Deno.env.get(\"GOOGLE_SHEET_ID\");\n const gidStr = Deno.env.get(\"GOOGLE_SHEET_GID\");\n const apiKey = Deno.env.get(\"GOOGLE_API_KEY\");\n\n if (!spreadsheetId || !gidStr) {\n throw new Error(\"Missing required env vars: GOOGLE_SHEET_ID, GOOGLE_SHEET_GID\");\n }\n if (!apiKey) {\n throw new Error(\"Missing required env var: GOOGLE_API_KEY\");\n }\n\n // Sheets API v4 ranges use sheet title (not gid), so resolve first\n const sheetTitle = await resolveSheetTitle(spreadsheetId, parseInt(gidStr, 10), apiKey);\n\n // Fetch the entire sheet — no hardcoded range\n const url = new URL(\n `https://sheets.googleapis.com/v4/spreadsheets/${spreadsheetId}`,\n );\n url.searchParams.set(\"includeGridData\", \"true\");\n url.searchParams.set(\"ranges\", sheetTitle);\n // Only pull what we need: date labels and cell background colors\n url.searchParams.set(\n \"fields\",\n \"sheets.data.rowData.values(formattedValue,userEnteredFormat.backgroundColor)\",\n );\n url.searchParams.set(\"key\", apiKey);\n\n const response = await fetch(url.toString());\n\n if (!response.ok) {\n const error = await response.text();\n throw new Error(`Sheets API error: ${error}`);\n }\n\n const data = await response.json();\n const rowData: Array<{ values?: CellData[] }> =\n data.sheets?.[0]?.data?.[0]?.rowData ?? [];\n\n // Auto-detect the date header row\n const dateHeader = findDateRow(rowData);\n if (!dateHeader) return [];\n\n const { rowIdx: dateRowIdx, cols: dateCols } = dateHeader;\n const dateLabels = dateCols.map(\n (c) => rowData[dateRowIdx]?.values?.[c]?.formattedValue ?? \"\",\n );\n\n // Accumulate colors per date column from all rows below the date header\n const colorsByCol: string[][] = dateCols.map(() => []);\n\n for (let r = dateRowIdx + 1; r < rowData.length; r++) {\n const values = rowData[r]?.values ?? [];\n\n const rowColors: (string | null)[] = dateCols.map((c) => {\n const bg = values[c]?.userEnteredFormat?.backgroundColor;\n return isWhiteOrEmpty(bg) ? null : colorToHex(bg!);\n });\n\n // Skip blank rows and horizontal line-break rows (uniform color across date columns)\n if (isLineBreakRow(rowColors)) continue;\n\n rowColors.forEach((color, i) => {\n if (color !== null) colorsByCol[i].push(color);\n });\n }\n\n return dateLabels\n .map((date, i) => ({ date, colors: colorsByCol[i] }))\n .filter((d) => d.colors.length > 0);\n}\n",[],[153,163],"0032243e-5221-11f1-abc5-ee650bb23af1","index.ts","db6ea2da-5220-11f1-90ef-ee650bb23af1",16,["D",1779043711484],"http","import { Hono } from \"https://esm.sh/hono@4.6.3\";\nimport { serveFile, readFile } from \"https://esm.town/v/std/utils@85-main/index.ts\";\nimport { fetchColorData } from \"./sheets.ts\";\n\nconst app = new Hono();\n\napp.onError((err, _c) => {\n throw err;\n});\n\napp.get(\"/api/colors\", async (c) => {\n const days = Math.min(parseInt(c.req.query(\"days\") ?? \"7\", 10), 28);\n const allData = await fetchColorData();\n const recent = allData.slice(-days);\n return c.json(recent);\n});\n\napp.get(\"/frontend/*\", (c) => serveFile(c.req.path, import.meta.url));\napp.get(\"/shared/*\", (c) => serveFile(c.req.path, import.meta.url));\n\napp.get(\"/\", async (c) => {\n const html = await readFile(\"/frontend/index.html\", import.meta.url);\n return c.html(html);\n});\n\nexport default app.fetch;\n",[],[153,171],"10823032-5225-11f1-84a4-ee650bb23af1","auth.ts","db856600-5220-11f1-a313-ee650bb23af1",21,["D",1779045456913],"import { SignJWT, importPKCS8 } from \"https://esm.sh/jose@5\";\n\nconst GOOGLE_TOKEN_URL = \"https://oauth2.googleapis.com/token\";\nconst SCOPE = \"https://www.googleapis.com/auth/spreadsheets.readonly\";\n\ninterface ServiceAccount {\n client_email: string;\n private_key: string;\n}\n\ninterface ServiceAccountRaw extends ServiceAccount {\n type?: string;\n}\n\nfunction parseServiceAccount(raw: string): ServiceAccount {\n let parsed: unknown;\n try {\n parsed = JSON.parse(raw);\n // Handle double-stringified case (JSON string of a JSON string)\n if (typeof parsed === \"string\") parsed = JSON.parse(parsed);\n } catch {\n throw new Error(\n `GOOGLE_SERVICE_ACCOUNT_KEY is not valid JSON. ` +\n `Paste the full contents of the downloaded service account .json file. ` +\n `Value starts with: ${raw.slice(0, 40)}`,\n );\n }\n\n const sa = parsed as ServiceAccountRaw;\n\n if (sa?.type && sa.type !== \"service_account\") {\n throw new Error(\n `GOOGLE_SERVICE_ACCOUNT_KEY has type \"${sa.type}\" but must be \"service_account\". ` +\n `Download a Service Account key from Google Cloud Console → IAM & Admin → Service Accounts.`,\n );\n }\n\n if (!sa?.client_email || !sa?.private_key) {\n throw new Error(\n \"GOOGLE_SERVICE_ACCOUNT_KEY is missing client_email or private_key fields\",\n );\n }\n\n // Google's downloaded key has literal \\n sequences in the private_key string value;\n // normalise to real newlines so the PEM parser works correctly.\n sa.private_key = sa.private_key.replace(/\\\\n/g, \"\\n\");\n return sa;\n}\n\nexport async function getAccessToken(): Promise {\n const raw = Deno.env.get(\"GOOGLE_SERVICE_ACCOUNT_KEY\");\n if (!raw) throw new Error(\"GOOGLE_SERVICE_ACCOUNT_KEY not set\");\n\n const sa = parseServiceAccount(raw);\n const privateKey = await importPKCS8(sa.private_key, \"RS256\");\n\n const jwt = await new SignJWT({ scope: SCOPE })\n .setProtectedHeader({ alg: \"RS256\", typ: \"JWT\" })\n .setIssuer(sa.client_email)\n .setAudience(GOOGLE_TOKEN_URL)\n .setIssuedAt()\n .setExpirationTime(\"1h\")\n .sign(privateKey);\n\n // Build the body as an explicit string — avoids any URLSearchParams/Content-Type\n // interaction quirks in Deno's fetch that can silently corrupt the grant_type value.\n const body =\n \"grant_type=urn%3Aietf%3Aparams%3Aoauth2%3Agrant-type%3Ajwt-bearer\" +\n \"&assertion=\" + 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