\n \n \n \n",[18,89],"034b04ff-51bf-42d5-a1ad-e1c7d334e8b0",["D",1784404330602],"\n",[18,95],"1f35f3e6-6deb-4bcf-be5d-4586c6af4f7e",["D",1784404330602],[18,100],"pulls","branches","forks","envVars",{"_96":26,"_236":26},"connections",{"_96":26,"_235":26},"unfilledCount","emptyCount",{"_34":329,"_13":328,"_75":322,"_44":-5,"_36":37,"_205":323,"_213":24,"_38":330,"_40":26,"_78":101,"_203":-5,"_80":30,"_206":-5,"_256":331,"_17":332},{"_34":319,"_13":320,"_75":321,"_44":322,"_36":37,"_205":323,"_213":24,"_38":324,"_40":26,"_78":79,"_203":325,"_80":30,"_206":-5,"_256":326,"_17":327},{"_34":202,"_13":18,"_75":111,"_44":-5,"_36":37,"_205":41,"_213":24,"_38":316,"_40":26,"_78":101,"_203":-5,"_80":30,"_206":-5,"_256":317,"_17":318},{"_34":225,"_13":100,"_75":99,"_44":111,"_36":37,"_205":41,"_213":24,"_38":313,"_40":26,"_78":101,"_203":-5,"_80":30,"_206":-5,"_256":314,"_17":315},{"_34":305,"_13":306,"_75":307,"_44":99,"_36":37,"_205":308,"_213":24,"_38":309,"_40":41,"_78":79,"_203":310,"_80":30,"_206":-5,"_256":311,"_17":312},{"_34":297,"_13":298,"_75":299,"_44":99,"_36":37,"_205":300,"_213":24,"_38":301,"_40":26,"_78":79,"_203":302,"_80":30,"_206":-5,"_256":303,"_17":304},{"_34":289,"_13":290,"_75":291,"_44":99,"_36":37,"_205":292,"_213":24,"_38":293,"_40":26,"_78":79,"_203":294,"_80":30,"_206":-5,"_256":295,"_17":296},{"_34":221,"_13":95,"_75":94,"_44":111,"_36":37,"_205":41,"_213":24,"_38":286,"_40":26,"_78":21,"_203":223,"_80":30,"_206":-5,"_256":287,"_17":288},{"_34":217,"_13":89,"_75":88,"_44":111,"_36":37,"_205":104,"_213":24,"_38":283,"_40":41,"_78":21,"_203":219,"_80":30,"_206":-5,"_256":284,"_17":285},{"_34":212,"_13":77,"_75":76,"_44":111,"_36":37,"_205":41,"_213":24,"_38":280,"_40":26,"_78":79,"_203":215,"_80":30,"_206":-5,"_256":281,"_17":282},{"_34":276,"_13":275,"_75":269,"_44":-5,"_36":37,"_205":270,"_213":24,"_38":277,"_40":26,"_78":101,"_203":-5,"_80":30,"_206":-5,"_256":278,"_17":279},{"_34":266,"_13":267,"_75":268,"_44":269,"_36":37,"_205":270,"_213":24,"_38":271,"_40":26,"_78":79,"_203":272,"_80":30,"_206":-5,"_256":273,"_17":274},{"_34":259,"_13":260,"_75":261,"_44":-5,"_36":37,"_205":151,"_213":24,"_38":262,"_40":41,"_78":21,"_203":263,"_80":30,"_206":-5,"_256":264,"_17":265},{"_34":251,"_13":252,"_75":124,"_44":-5,"_36":37,"_205":97,"_213":24,"_38":253,"_40":41,"_78":254,"_203":255,"_80":30,"_206":-5,"_256":257,"_17":258},"6fc46c5f-7704-4ab3-b6d7-b36618fbf576","index.ts",["D",1784404372218],"http","import { parseVal, serveFile } from \"https://esm.town/v/std/utils/index.ts\";\nimport { Hono } from \"npm:hono\";\nimport * as db from \"./backend/db.ts\";\n\nconst app = new Hono();\n\n// Serve index.html at the root /\napp.get(\"/\", () => serveFile(\"/frontend/index.html\"));\n\n// Serve all /frontend files\napp.get(\"/frontend/**/*\", (c) => serveFile(c.req.path));\n\n// Serve shared types for the frontend\napp.get(\"/shared/**/*\", (c) => serveFile(c.req.path));\n\n// View source redirect\napp.get(\"/source\", (c) => c.redirect(parseVal().links.self.val));\n\n// ---- Todos API ----\n\nconst MAX_TEXT_LENGTH = 500;\n\nfunction validateText(text: unknown): string | null {\n if (typeof text !== \"string\") return null;\n const trimmed = text.trim();\n if (trimmed.length === 0 || trimmed.length > MAX_TEXT_LENGTH) return null;\n return trimmed;\n}\n\nfunction parseId(raw: string): number | null {\n const id = Number(raw);\n return Number.isInteger(id) && id > 0 ? id : null;\n}\n\napp.get(\"/api/todos\", async (c) => {\n const todos = await db.listTodos();\n return c.json(todos);\n});\n\napp.post(\"/api/todos\", async (c) => {\n const body = await c.req.json().catch(() => null);\n const text = validateText(body?.text);\n if (!text) {\n return c.json(\n { error: `text is required (1-${MAX_TEXT_LENGTH} chars)` },\n 400,\n );\n }\n const todo = await db.createTodo(text);\n return c.json(todo, 201);\n});\n\napp.patch(\"/api/todos/:id\", async (c) => {\n const id = parseId(c.req.param(\"id\"));\n if (!id) return c.json({ error: \"invalid id\" }, 400);\n\n const body = await c.req.json().catch(() => null);\n if (!body || typeof body !== \"object\") {\n return c.json({ error: \"invalid body\" }, 400);\n }\n\n const fields: { text?: string; completed?: boolean } = {};\n if (\"text\" in body) {\n const text = validateText(body.text);\n if (!text) {\n return c.json(\n { error: `text must be 1-${MAX_TEXT_LENGTH} chars` },\n 400,\n );\n }\n fields.text = text;\n }\n if (\"completed\" in body) {\n if (typeof body.completed !== \"boolean\") {\n return c.json({ error: \"completed must be a boolean\" }, 400);\n }\n fields.completed = body.completed;\n }\n\n const todo = await db.updateTodo(id, fields);\n if (!todo) return c.json({ error: \"todo not found\" }, 404);\n return c.json(todo);\n});\n\napp.delete(\"/api/todos/:id\", async (c) => {\n const id = parseId(c.req.param(\"id\"));\n if (!id) return c.json({ error: \"invalid id\" }, 400);\n const deleted = await db.deleteTodo(id);\n if (!deleted) return c.json({ error: \"todo not found\" }, 404);\n return c.json({ ok: true });\n});\n\napp.post(\"/api/todos/clear-completed\", async (c) => {\n const cleared = await db.clearCompleted();\n return c.json({ cleared });\n});\n\n// Unwrap and rethrow Hono errors as the original error\n// If you delete this, all errors will be \"Internal Server Error\"\napp.onError((err) => Promise.reject(err));\n\n// HTTP vals expect an exported \"fetch handler\"\n// This is how you \"run the server\" in Val Town with Hono\nexport default app.fetch;\n","children",[],[252],"ff87bc3c-a176-47db-93e9-431b73889970","README.md","019f76c9-48ec-747c-8230-43f68aa2cb1a",["D",1784404457706],"# Todo App\n\nA production-ready todo app built with React, Hono, and SQLite on Val Town.\n\n## Features\n\n- ✅ Add, edit (double-click), complete, and delete todos\n- 🔍 Filter by all / active / completed\n- 🧹 Clear all completed todos at once\n- ⚡ Optimistic UI updates with automatic rollback on failure\n- 💾 Persistent storage in val-scoped SQLite\n- 🛡️ Server-side input validation (1–500 chars, type checks)\n- 🚨 User-visible error messages + client errors surfaced to val logs\n\n## Architecture\n\n```mermaid\ngraph LR\n Browser[\"React SPA
(frontend/)\"] -->|\"fetch /api/todos\"| Hono[\"index.ts
(Hono server)\"]\n Hono --> DB[\"backend/db.ts
(SQLite)\"]\n Hono -->|serves| Static[\"frontend/ files\"]\n```\n\n## File structure\n\n```\nindex.ts ← HTTP entrypoint: Hono server (static files + API)\nbackend/\n db.ts ← SQLite schema + query functions\nshared/\n types.ts ← Todo/Filter types shared by client & server\nfrontend/\n index.html ← HTML shell (Twind + React)\n index.tsx ← React entrypoint\n components/\n App.tsx ← Root component: state, API calls, filters\n TodoInput.tsx ← New-todo form\n TodoItem.tsx ← Single todo row (toggle/edit/delete)\n```\n\n## API\n\n| Method | Path | Description |\n| --- | --- | --- |\n| `GET` | `/api/todos` | List all todos |\n| `POST` | `/api/todos` | Create — body: `{ text }` |\n| `PATCH` | `/api/todos/:id` | Update — body: `{ text?, completed? }` |\n| `DELETE` | `/api/todos/:id` | Delete a todo |\n| `POST` | `/api/todos/clear-completed` | Delete all completed todos |\n\nAll endpoints return JSON; errors are `{ error: string }` with 400/404 status codes.\n\n## Notes\n\n- Data is stored in this val's scoped SQLite database (`todos_v1` table).\n- Schema setup is idempotent (`CREATE TABLE IF NOT EXISTS`), safe across restarts.\n- All queries are parameterized — no SQL injection.\n",[],[260],"134e0c1a-5bfe-40c2-9bf5-2b750d398217","types.ts","32a3c1ce-82e2-11f1-9ce7-1607ee4eb77e","328bcb98-fcc7-4755-a03b-b14a85ac6061",2,["D",1784404344892],"export interface Todo {\n id: number;\n text: string;\n completed: boolean;\n createdAt: string;\n}\n\nexport type Filter = \"all\" | \"active\" | \"completed\";\n",[],[275,267],"shared","3be65090-91e1-4d70-9ae5-c96d783baa9b",["D",1784404344892],[248],[275],["D",1784404330602],[],[18,77],["D",1784404418940],[],[18,89],["D",1784404330602],[],[18,95],"92c760e2-8423-4a18-9a9e-5db1a68d10b2","TodoItem.tsx","4ff57344-82e2-11f1-8733-1607ee4eb77e",6,["D",1784404394083],"/** @jsxImportSource https://esm.sh/react@18.2.0 */\nimport { useState } from \"https://esm.sh/react@18.2.0\";\nimport type { Todo } from \"../../shared/types.ts\";\n\ninterface Props {\n todo: Todo;\n onToggle: (todo: Todo) => void;\n onDelete: (id: number) => void;\n onEdit: (id: number, text: string) => Promise;\n}\n\nexport function TodoItem({ todo, onToggle, onDelete, onEdit }: Props) {\n const [editing, setEditing] = useState(false);\n const [draft, setDraft] = useState(todo.text);\n\n async function commitEdit() {\n const trimmed = draft.trim();\n if (!trimmed) {\n setDraft(todo.text);\n setEditing(false);\n return;\n }\n if (trimmed !== todo.text) {\n await onEdit(todo.id, trimmed);\n }\n setEditing(false);\n }\n\n return (\n

\n onToggle(todo)}\n aria-label={todo.completed ? \"Mark as active\" : \"Mark as completed\"}\n class={`w-6 h-6 shrink-0 rounded-full border-2 flex items-center justify-center transition-colors cursor-pointer ${\n todo.completed\n ? \"bg-emerald-500 border-emerald-500 text-white\"\n : \"border-gray-300 hover:border-indigo-400 text-transparent\"\n }`}\n >\n ✓\n \n\n {editing\n ? (\n setDraft(e.target.value)}\n onBlur={commitEdit}\n onKeyDown={(e) => {\n if (e.key === \"Enter\") commitEdit();\n if (e.key === \"Escape\") {\n setDraft(todo.text);\n setEditing(false);\n }\n }}\n autoFocus\n class=\"flex-1 px-2 py-1 rounded border border-indigo-300 focus:outline-none focus:ring-2 focus:ring-indigo-400\"\n />\n )\n : (\n setEditing(true)}\n title=\"Double-click to edit\"\n class={`flex-1 cursor-text break-words min-w-0 ${\n todo.completed ? \"line-through text-gray-400\" : \"text-gray-800\"\n }`}\n >\n {todo.text}\n \n )}\n\n onDelete(todo.id)}\n aria-label=\"Delete todo\"\n class=\"opacity-0 group-hover:opacity-100 focus:opacity-100 text-gray-300 hover:text-red-500 transition-all text-xl leading-none cursor-pointer px-1\"\n >\n ×\n \n

\n );\n}\n",[],[18,100,290],"4d06a363-5284-4530-9465-6e9ef3f9c8e2","TodoInput.tsx","4a6dd7ae-82e2-11f1-98d1-1607ee4eb77e",5,["D",1784404384799],"/** @jsxImportSource https://esm.sh/react@18.2.0 */\nimport { useState } from \"https://esm.sh/react@18.2.0\";\n\ninterface Props {\n onAdd: (text: string) => Promise;\n disabled?: boolean;\n}\n\nexport function TodoInput({ onAdd, disabled }: Props) {\n const [text, setText] = useState(\"\");\n const [submitting, setSubmitting] = useState(false);\n\n async function handleSubmit(e: { preventDefault: () => void }) {\n e.preventDefault();\n const trimmed = text.trim();\n if (!trimmed || submitting) return;\n setSubmitting(true);\n try {\n await onAdd(trimmed);\n setText(\"\");\n } finally {\n setSubmitting(false);\n }\n }\n\n return (\n

\n setText(e.target.value)}\n placeholder=\"What needs to be done?\"\n maxLength={500}\n disabled={disabled || submitting}\n autoFocus\n class=\"flex-1 px-4 py-3 rounded-xl border border-gray-200 bg-white shadow-sm focus:outline-none focus:ring-2 focus:ring-indigo-400 focus:border-transparent placeholder-gray-400 disabled:opacity-50\"\n />\n \n Add\n \n \n );\n}\n",[],[18,100,298],"2f8af389-17b6-49d5-a012-62205912cdab","App.tsx","019f76c9-48eb-72d8-ad33-f2fdd02bc82a",7,["D",1784404418188],"/** @jsxImportSource https://esm.sh/react@18.2.0 */\nimport { useEffect, useState } from \"https://esm.sh/react@18.2.0\";\nimport type { Filter, Todo } from \"../../shared/types.ts\";\nimport { TodoInput } from \"./TodoInput.tsx\";\nimport { TodoItem } from \"./TodoItem.tsx\";\n\nasync function api(path: string, options?: RequestInit): Promise {\n const res = await fetch(path, {\n headers: { \"Content-Type\": \"application/json\" },\n ...options,\n });\n if (!res.ok) {\n const body = await res.json().catch(() => ({}));\n throw new Error(body.error || `Request failed (${res.status})`);\n }\n return res.json();\n}\n\nconst FILTERS: Filter[] = [\"all\", \"active\", \"completed\"];\n\nexport function App() {\n const [todos, setTodos] = useState([]);\n const [filter, setFilter] = useState(\"all\");\n const [loading, setLoading] = useState(true);\n const [error, setError] = useState(null);\n\n function showError(message: string) {\n setError(message);\n setTimeout(() => setError(null), 4000);\n }\n\n async function refresh() {\n try {\n setTodos(await api(\"/api/todos\"));\n setError(null);\n } catch (e) {\n showError(e instanceof Error ? e.message : \"Failed to load todos\");\n } finally {\n setLoading(false);\n }\n }\n\n useEffect(() => {\n refresh();\n }, []);\n\n async function addTodo(text: string) {\n try {\n const todo = await api(\"/api/todos\", {\n method: \"POST\",\n body: JSON.stringify({ text }),\n });\n setTodos((prev) => [todo, ...prev]);\n } catch (e) {\n showError(e instanceof Error ? e.message : \"Failed to add todo\");\n throw e;\n }\n }\n\n async function toggleTodo(todo: Todo) {\n // Optimistic update, roll back on failure\n setTodos((prev) =>\n prev.map((t) => t.id === todo.id ? { ...t, completed: !t.completed } : t)\n );\n try {\n await api(`/api/todos/${todo.id}`, {\n method: \"PATCH\",\n body: JSON.stringify({ completed: !todo.completed }),\n });\n } catch (e) {\n setTodos((prev) => prev.map((t) => t.id === todo.id ? todo : t));\n showError(e instanceof Error ? e.message : \"Failed to update todo\");\n }\n }\n\n async function editTodo(id: number, text: string) {\n const previous = todos;\n setTodos((prev) => prev.map((t) => t.id === id ? { ...t, text } : t));\n try {\n await api(`/api/todos/${id}`, {\n method: \"PATCH\",\n body: JSON.stringify({ text }),\n });\n } catch (e) {\n setTodos(previous);\n showError(e instanceof Error ? e.message : \"Failed to edit todo\");\n }\n }\n\n async function deleteTodo(id: number) {\n const previous = todos;\n setTodos((prev) => prev.filter((t) => t.id !== id));\n try {\n await api<{ ok: boolean }>(`/api/todos/${id}`, { method: \"DELETE\" });\n } catch (e) {\n setTodos(previous);\n showError(e instanceof Error ? e.message : \"Failed to delete todo\");\n }\n }\n\n async function clearCompleted() {\n const previous = todos;\n setTodos((prev) => prev.filter((t) => !t.completed));\n try {\n await api<{ cleared: number }>(\"/api/todos/clear-completed\", {\n method: \"POST\",\n });\n } catch (e) {\n setTodos(previous);\n showError(e instanceof Error ? e.message : \"Failed to clear completed\");\n }\n }\n\n const visible = todos.filter((t) =>\n filter === \"all\" ? true : filter === \"active\" ? !t.completed : t.completed\n );\n const activeCount = todos.filter((t) => !t.completed).length;\n const completedCount = todos.length - activeCount;\n\n return (\n

\n ✅ Todos\n

\n {activeCount} {activeCount === 1 ? \"task\" : \"tasks\"} remaining\n

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

\n )}\n\n \n\n

\n {FILTERS.map((f) => (\n setFilter(f)}\n class={`px-3 py-1 rounded-lg capitalize transition-colors cursor-pointer ${\n filter === f\n ? \"bg-indigo-100 text-indigo-700 font-medium\"\n : \"text-gray-500 hover:bg-gray-100\"\n }`}\n >\n {f}\n \n ))}\n

\n {completedCount > 0 && (\n \n Clear completed ({completedCount})\n \n )}\n

\n\n {loading\n ?

Loading…

\n : visible.length === 0\n ? (\n

\n {todos.length === 0\n ? \"No todos yet. Add one above! 🎉\"\n : `No ${filter} todos.`}\n

\n )\n : (\n

\n ))}\n

\n )}\n\n \n \n );\n}\n",[],[18,100,306],["D",1784404330602],[241,242,243],[18,100],["D",1784404330602],[240,244,245,246],[18],"71051082-14a9-4218-8526-23fa0f80018a","db.ts","37e20f6a-82e2-11f1-838b-1607ee4eb77e","bae2d9a3-6411-466b-a8b2-8da9bfef0d43",3,["D",1784404353689],"import { sqlite } from \"https://esm.town/v/std/sqlite/main.ts\";\nimport type { Todo } from \"../shared/types.ts\";\n\nconst TABLE = \"todos_v1\";\n\n// Idempotent schema setup\nawait sqlite.execute(`CREATE TABLE IF NOT EXISTS ${TABLE} (\n id INTEGER PRIMARY KEY AUTOINCREMENT,\n text TEXT NOT NULL,\n completed INTEGER NOT NULL DEFAULT 0,\n created_at TEXT NOT NULL DEFAULT (strftime('%Y-%m-%dT%H:%M:%fZ', 'now'))\n)`);\n\nfunction rowToTodo(row: Record): Todo {\n return {\n id: Number(row.id),\n text: String(row.text),\n completed: Boolean(row.completed),\n createdAt: String(row.created_at),\n };\n}\n\nexport async function listTodos(): Promise {\n const result = await sqlite.execute(\n `SELECT * FROM ${TABLE} ORDER BY completed ASC, created_at DESC`,\n );\n return result.rows.map(rowToTodo);\n}\n\nexport async function createTodo(text: string): Promise {\n const result = await sqlite.execute({\n sql: `INSERT INTO ${TABLE} (text) VALUES (?) RETURNING *`,\n args: [text],\n });\n return rowToTodo(result.rows[0]);\n}\n\nexport async function updateTodo(\n id: number,\n fields: { text?: string; completed?: boolean },\n): Promise {\n const sets: string[] = [];\n const args: (string | number)[] = [];\n if (fields.text !== undefined) {\n sets.push(\"text = ?\");\n args.push(fields.text);\n }\n if (fields.completed !== undefined) {\n sets.push(\"completed = ?\");\n args.push(fields.completed ? 1 : 0);\n }\n if (sets.length === 0) return getTodo(id);\n args.push(id);\n const result = await sqlite.execute({\n sql: `UPDATE ${TABLE} SET ${sets.join(\", \")} WHERE id = ? RETURNING *`,\n args,\n });\n return result.rows.length ? rowToTodo(result.rows[0]) : null;\n}\n\nexport async function getTodo(id: number): Promise {\n const result = await sqlite.execute({\n sql: `SELECT * FROM ${TABLE} WHERE id = ?`,\n args: [id],\n });\n return result.rows.length ? rowToTodo(result.rows[0]) : null;\n}\n\nexport async function deleteTodo(id: number): Promise {\n const result = await sqlite.execute({\n sql: `DELETE FROM ${TABLE} WHERE id = ?`,\n args: [id],\n });\n return result.rowsAffected > 0;\n}\n\nexport async function clearCompleted(): Promise {\n const result = await sqlite.execute(\n `DELETE FROM ${TABLE} WHERE completed = 1`,\n );\n return result.rowsAffected;\n}\n",[],[328,320],"backend","e0f9aee7-2e17-4ac4-bd25-dd16ba86c183",["D",1784404353689],[238],[328],["D",1784404330602],["D",1789472446807],{"_11":12,"_168":83},{"_11":12,"_163":164,"_82":83,"_31":81,"_165":166,"_167":30},{"_40":151,"_13":16,"_34":37,"_152":113,"_153":72,"_154":155,"_156":117,"_157":158,"_159":160,"_161":14,"_162":12},"ctx",{"_53":-5,"_189":371,"_372":373,"_374":375,"_376":30,"_377":30,"_378":30,"_379":24,"_380":-5,"_381":-7,"_382":-7,"_383":26,"_384":30,"_385":30,"_386":-5,"_387":30,"_388":30,"_389":30,"_390":-5},"ENV",{"_342":343,"_344":345,"_346":16,"_347":348,"_349":350,"_351":352,"_353":354,"_355":356,"_357":358,"_359":360,"_361":362,"_363":364,"_365":366,"_367":368,"_369":370},"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"]

History · frontend