[{"_1":2,"_3":-5,"_4":-5},"loaderData",{"_5":6,"_7":8,"_9":10},"actionData","errors","root",{"_264":265,"_266":267},"routes/_app.x.$handle.$name",{"_108":107,"_38":50,"_117":94,"_33":118,"_13":14,"_119":-5,"_11":120,"_121":122,"_123":124,"_125":126,"_127":128,"_26":-5,"_129":130,"_131":132,"_133":31,"_134":135,"_136":64,"_137":-5,"_138":-5,"_139":140},"routes/_app.x.$handle.$name.branch.$branch.version.$version.diff",{"_11":12,"_13":14,"_15":16,"_17":18,"_19":-5},"project",{"_48":49,"_38":50,"_43":51,"_52":-5,"_53":31,"_54":55,"_56":55,"_57":58,"_59":-5,"_19":60,"_61":62,"_63":64,"_65":-5,"_66":-5,"_67":68,"_69":70,"_71":72,"_73":74,"_75":76,"_77":-5,"_78":79,"_80":79,"_81":82,"_83":82,"_84":82,"_85":79,"_86":79,"_87":88,"_89":90,"_91":92,"_93":31},"version",9,"changes",[25],"aiChatInfo",{"_20":21,"_22":-5,"_23":-5,"_24":-5},"userId","aiChatMessageId","c2bfdf31-6788-4e95-b558-009370fe21ee","aiChatThreadId","aiChatThreadUserId","aiChatThreadTitle",{"_26":27,"_28":29,"_30":31,"_32":31,"_33":34,"_35":34},"file",{"_36":37,"_38":34,"_39":26,"_40":42,"_43":44,"_45":14,"_46":47,"_30":31},"previous",{"_36":37,"_38":34,"_39":26,"_40":41},"deleted",false,"deletedHere","path","README.md","latestPath","fileId","019e53ec-d349-7646-9450-205558c88142","name","fileType","content","# React + Hono Starter\n\nA minimal starter template for building client-side React apps with a Hono\nbackend on Val Town. Click **Remix** to get your own copy.\n\n**Want to build UI?** Start writing React components in\n[`frontend/components/`](/frontend/components/). Import them into `App.tsx` and\nyou're good to go. Styling is [Twind](https://twind.style/) — just use Tailwind\nutility classes, zero config.\n\n**Want to add an API?** Add routes in [`index.ts`](/index.ts) (there's a\ncommented-out example). Fetch them from your React components.\n\n## Architecture\n\n```mermaid\ngraph LR\n Browser -->|\"GET /\"| Hono[\"index.ts
(Hono server)\"]\n Hono -->|serves| HTML[\"index.html\"]\n HTML -->|loads| Entry[\"index.tsx\"]\n Entry -->|renders| App[\"App.tsx\"]\n App -->|renders| Counter[\"Counter.tsx\"]\n```\n\n## File structure\n\n```\nindex.ts ← Hono backend (serves frontend + API routes)\nfrontend/\n index.html ← HTML shell (loads Twind + React)\n index.tsx ← React entrypoint (mounts )\n favicon.svg ← App icon\n components/\n App.tsx ← Root component (layout + view source link)\n Counter.tsx ← Example component with state\n```\n\n## How it works\n\n1. **`index.ts`** is the HTTP entrypoint — a Hono server that serves the\n frontend and any API routes you add.\n2. **`frontend/index.html`** loads Twind and the React entrypoint.\n3. **`frontend/index.tsx`** mounts the React app.\n4. **`frontend/components/App.tsx`** is the root layout — add new components\n alongside it.\n5. **`frontend/components/Counter.tsx`** is an example stateful component —\n replace it with your own!\n\n## Next steps\n\n- Add API routes in `index.ts`\n- Add new components in `frontend/components/`\n- Add a SQLite database — see the\n [React Hono Example](https://www.val.town/x/stevekrouse/reactHonoExample) for\n a full-stack example with database, queries, and shared types","# 💬 Real-Time Chat\n\nA real-time chat room built with React + Hono on Val Town. Users enter a username and start chatting instantly — messages appear in real-time via polling.\n\n## Features\n\n- **Username-based join** — enter a name to start chatting\n- **Real-time updates** — messages poll every 1.5 seconds for new content\n- **Persistent history** — last 50 messages loaded on join\n- **Color-coded usernames** — each user gets a unique color\n- **Dark theme** — modern chat UI with bubble-style messages\n\n## Architecture\n\n```mermaid\ngraph LR\n Browser -->|\"GET /\"| Hono[\"index.ts (Hono)\"]\n Hono -->|serves| HTML[\"index.html\"]\n HTML -->|loads| React[\"App.tsx\"]\n React -->|join screen| Join[\"JoinScreen.tsx\"]\n React -->|chat room| Chat[\"ChatRoom.tsx\"]\n Chat -->|\"GET /api/messages\"| API[\"REST API\"]\n Chat -->|\"POST /api/messages\"| API\n API -->|read/write| DB[\"SQLite\"]\n```\n\n## File structure\n\n```\nindex.ts ← Hono backend + API routes\nfrontend/\n index.html ← HTML shell\n index.tsx ← React entrypoint\n favicon.svg ← Chat icon\n components/\n App.tsx ← Root component (routing)\n JoinScreen.tsx ← Username entry screen\n ChatRoom.tsx ← Chat interface with polling\n```\n","createdAt",["D",1779524567723],"branchVersion","branchId","667d5020-5680-11f1-ab0b-ee650bb23af1","id","66797a04-5680-11f1-ab0b-ee650bb23af1","chat",["D",1779524490014],"deletedAt","legacyEnvVars","privacy","public","httpPrivacy","description","Starter template with client-side React & Hono 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{ parseVal, serveFile } from \"https://esm.town/v/std/utils/index.ts\";\nimport { Hono } from \"npm:hono\";\nimport { sqlite } from \"https://esm.town/v/std/sqlite/main.ts\";\n\nconst app = new Hono();\n\n// Initialize DB table\nawait sqlite.execute(`CREATE TABLE IF NOT EXISTS messages (\n id INTEGER PRIMARY KEY AUTOINCREMENT,\n username TEXT NOT NULL,\n content TEXT NOT NULL,\n created_at TEXT NOT NULL DEFAULT (datetime('now'))\n)`);\n\n// Serve frontend\napp.get(\"/\", () => serveFile(\"/frontend/index.html\"));\napp.get(\"/frontend/**/*\", (c) => serveFile(c.req.path));\napp.get(\"/source\", (c) => c.redirect(parseVal().links.self.val));\n\n// GET messages (with optional ?after=ID for polling)\napp.get(\"/api/messages\", async (c) => {\n const after = c.req.query(\"after\");\n let result;\n if (after) {\n result = await sqlite.execute({\n sql: \"SELECT * FROM messages WHERE id > ? ORDER BY id ASC LIMIT 100\",\n args: [Number(after)],\n });\n } else {\n result = await sqlite.execute(\n \"SELECT * FROM messages ORDER BY id DESC LIMIT 50\"\n );\n result.rows = result.rows.reverse();\n }\n return c.json(result.rows);\n});\n\n// POST a new message\napp.post(\"/api/messages\", async (c) => {\n const { username, content } = await c.req.json();\n if (!username || !content) {\n return c.json({ error: \"username and content required\" }, 400);\n }\n if (username.length > 30 || content.length > 500) {\n return c.json({ error: \"username max 30 chars, content max 500 chars\" }, 400);\n }\n const result = await sqlite.execute({\n sql: \"INSERT INTO messages (username, content) VALUES (?, ?)\",\n args: [username.trim(), content.trim()],\n });\n const msg = await sqlite.execute({\n sql: \"SELECT * FROM messages WHERE id = ?\",\n args: [result.lastInsertRowid!],\n });\n return c.json(msg.rows[0], 201);\n});\n\napp.onError((err) => Promise.reject(err));\n\nexport default app.fetch;\n","label",[156],"94cb3712-5680-11f1-8d4d-ee650bb23af1",["D",1779524567723],[34],"6680e5c8-5680-11f1-ab0b-ee650bb23af1","frontend","019e53ec-d349-7646-9450-1f59cbb5039b",["D",1779524490014],"directory",[170],"pulls","branches","forks","envVars",{"_182":68,"_184":68},"connections",{"_182":68,"_183":68},"count","unfilledCount","emptyCount",{"_48":169,"_38":170,"_36":171,"_157":-5,"_46":47,"_45":161,"_159":64,"_43":256,"_13":68,"_39":173,"_40":-5,"_30":31,"_164":-5,"_196":257,"_33":258},{"_48":252,"_38":235,"_36":229,"_157":171,"_46":47,"_45":161,"_159":64,"_43":253,"_13":68,"_39":173,"_40":-5,"_30":31,"_164":-5,"_196":254,"_33":255},{"_48":244,"_38":245,"_36":246,"_157":229,"_46":47,"_45":247,"_159":64,"_43":248,"_13":161,"_39":206,"_40":249,"_30":31,"_164":-5,"_196":250,"_33":251},{"_48":236,"_38":237,"_36":238,"_157":229,"_46":47,"_45":239,"_159":64,"_43":240,"_13":68,"_39":206,"_40":241,"_30":31,"_164":-5,"_196":242,"_33":243},{"_48":226,"_38":227,"_36":228,"_157":229,"_46":47,"_45":230,"_159":64,"_43":231,"_13":68,"_39":206,"_40":232,"_30":31,"_164":-5,"_196":233,"_33":234},{"_48":218,"_38":219,"_36":220,"_157":171,"_46":47,"_45":221,"_159":64,"_43":222,"_13":161,"_39":26,"_40":223,"_30":31,"_164":-5,"_196":224,"_33":225},{"_48":210,"_38":211,"_36":212,"_157":171,"_46":47,"_45":213,"_159":64,"_43":214,"_13":161,"_39":26,"_40":215,"_30":31,"_164":-5,"_196":216,"_33":217},{"_48":202,"_38":203,"_36":204,"_157":171,"_46":47,"_45":161,"_159":64,"_43":205,"_13":68,"_39":206,"_40":207,"_30":31,"_164":-5,"_196":208,"_33":209},{"_48":166,"_38":34,"_36":37,"_157":-5,"_46":47,"_45":14,"_159":64,"_43":199,"_13":161,"_39":26,"_40":42,"_30":31,"_164":-5,"_196":200,"_33":201},{"_48":155,"_38":156,"_36":62,"_157":-5,"_46":47,"_45":158,"_159":64,"_43":195,"_13":161,"_39":162,"_40":163,"_30":31,"_164":-5,"_196":197,"_33":198},["D",1779524502132],"children",[],[156],["D",1779524567723],[],[34],"6680e2a8-5680-11f1-ab0b-ee650bb23af1","index.tsx","019e53ec-d349-7646-9450-1a1034e4e713",["D",1779524490014],"script","/** @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 = document.getElementById(\"root\");\nif (!root) {\n throw new Error(\"No root element found\");\n}\n\ncreateRoot(root).render();",[],[170,203],"7358e3e0-5680-11f1-9c28-ee650bb23af1","index.html","019e53ec-d349-7646-9450-14eb2b3eb986",3,["D",1779524511608],"\n\n \n \n \n Real-Time Chat\n \n \n \n \n

\n \n \n \n\n",[],[170,211],"88ceb9ca-5680-11f1-ad78-ee650bb23af1","favicon.svg","019e53ec-d349-7646-9450-132e38c5c2e6",8,["D",1779524547616],"\n\n",[],[170,219],"7a7cd4ce-5680-11f1-ab0b-ee650bb23af1","JoinScreen.tsx","7a7cd5be-5680-11f1-ab0b-ee650bb23af1","019e53ec-d349-7646-9450-0c610207137f",5,["D",1779524523587],"/** @jsxImportSource https://esm.sh/react@18.2.0 */\nimport { useState } from \"https://esm.sh/react@18.2.0\";\n\nexport function JoinScreen({ onJoin }: { onJoin: (name: string) => void }) {\n const [name, setName] = useState(\"\");\n\n const handleSubmit = (e: Event) => {\n e.preventDefault();\n const trimmed = name.trim();\n if (trimmed.length > 0 && trimmed.length <= 30) {\n onJoin(trimmed);\n }\n };\n\n return (\n

💬

Real-Time Chat

Enter a username to join the conversation

\n );\n}\n",[],[170,235,227],"components","855874f2-5680-11f1-ad78-ee650bb23af1","ChatRoom.tsx","855875a6-5680-11f1-ad78-ee650bb23af1",6,["D",1779524541809],"/** @jsxImportSource https://esm.sh/react@18.2.0 */\nimport { useState, useEffect, useRef, useCallback } from \"https://esm.sh/react@18.2.0\";\n\ninterface Message {\n id: number;\n username: string;\n content: string;\n created_at: string;\n}\n\nexport function ChatRoom({ username, onLeave }: { username: string; onLeave: () => void }) {\n const [messages, setMessages] = useState([]);\n const [input, setInput] = useState(\"\");\n const [sending, setSending] = useState(false);\n const bottomRef = useRef(null);\n const lastIdRef = useRef(0);\n\n // Scroll to bottom\n const scrollToBottom = useCallback(() => {\n bottomRef.current?.scrollIntoView({ behavior: \"smooth\" });\n }, []);\n\n // Load initial messages\n useEffect(() => {\n fetch(\"/api/messages\")\n .then((r) => r.json())\n .then((msgs: Message[]) => {\n setMessages(msgs);\n if (msgs.length > 0) {\n lastIdRef.current = msgs[msgs.length - 1].id;\n }\n setTimeout(scrollToBottom, 100);\n });\n }, []);\n\n // Poll for new messages every 1.5s\n useEffect(() => {\n const interval = setInterval(async () => {\n try {\n const res = await fetch(`/api/messages?after=${lastIdRef.current}`);\n const newMsgs: Message[] = await res.json();\n if (newMsgs.length > 0) {\n lastIdRef.current = newMsgs[newMsgs.length - 1].id;\n setMessages((prev) => [...prev, ...newMsgs]);\n setTimeout(scrollToBottom, 100);\n }\n } catch {}\n }, 1500);\n return () => clearInterval(interval);\n }, [scrollToBottom]);\n\n const sendMessage = async (e: Event) => {\n e.preventDefault();\n const content = input.trim();\n if (!content || sending) return;\n\n setSending(true);\n setInput(\"\");\n try {\n await fetch(\"/api/messages\", {\n method: \"POST\",\n headers: { \"Content-Type\": \"application/json\" },\n body: JSON.stringify({ username, content }),\n });\n } catch (err) {\n console.error(\"Failed to send:\", err);\n setInput(content);\n } finally {\n setSending(false);\n }\n };\n\n const formatTime = (dateStr: string) => {\n const d = new Date(dateStr + \"Z\");\n return d.toLocaleTimeString([], { hour: \"2-digit\", minute: \"2-digit\" });\n };\n\n // Generate consistent color from username\n const getColor = (name: string) => {\n const colors = [\n \"text-blue-400\", \"text-green-400\", \"text-yellow-400\", \"text-pink-400\",\n \"text-purple-400\", \"text-cyan-400\", \"text-orange-400\", \"text-red-400\",\n ];\n let hash = 0;\n for (let i = 0; i < name.length; i++) hash = name.charCodeAt(i) + ((hash << 5) - hash);\n return colors[Math.abs(hash) % colors.length];\n };\n\n return (\n

\n {/* Header */}\n

\n 💬\n

Chat Room

\n \n Logged in as {username}\n \n \n Leave\n \n

\n\n {/* Messages */}\n

\n {messages.length === 0 && (\n

🎉

No messages yet. Say hello!

\n )}\n {messages.map((msg) => {\n const isMe = msg.username === username;\n return (\n

\n {!isMe && (\n

\n {msg.username}\n

\n )}\n

{msg.content}

\n {formatTime(msg.created_at)}\n

\n );\n })}\n

\n\n {/* Input */}\n

\n );\n}\n",[],[170,235,237],"74d59f38-5680-11f1-ab0b-ee650bb23af1","App.tsx","019e53ec-d349-7646-9450-0588b658e5b6",4,["D",1779524514097],"/** @jsxImportSource https://esm.sh/react@18.2.0 */\nimport { useState } from \"https://esm.sh/react@18.2.0\";\nimport { JoinScreen } from \"./JoinScreen.tsx\";\nimport { ChatRoom } from \"./ChatRoom.tsx\";\n\nexport function App() {\n const [username, setUsername] = useState(null);\n\n if (!username) {\n return ;\n }\n\n return setUsername(null)} />;\n}\n",[],[170,235,245],"6680d7c2-5680-11f1-ab0b-ee650bb23af1",["D",1779524490014],[187,188,189],[170,235],["D",1779524490014],[186,190,191,192],[170],["D",1779524490014],["D",1789469441210],{"_108":107,"_116":112},{"_108":107,"_109":110,"_111":112,"_19":60,"_113":114,"_115":31},{"_13":14,"_38":94,"_48":47,"_95":49,"_96":97,"_98":99,"_100":55,"_101":102,"_103":104,"_105":50,"_106":107},"ctx",{"_87":-5,"_138":297,"_298":299,"_300":301,"_302":31,"_303":31,"_304":31,"_305":64,"_306":-5,"_307":-7,"_308":-7,"_309":68,"_310":31,"_311":31,"_312":-5,"_313":31,"_314":31,"_315":31,"_316":-5},"ENV",{"_268":269,"_270":271,"_272":94,"_273":274,"_275":276,"_277":278,"_279":280,"_281":282,"_283":284,"_285":286,"_287":288,"_289":290,"_291":292,"_293":294,"_295":296},"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 · v9