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{ parseVal, serveFile } from \"https://esm.town/v/std/utils/index.ts\";\nimport { Hono } from \"npm:hono\";\nimport { resolveMany } from \"./resolve.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// View source redirect\napp.get(\"/source\", (c) => c.redirect(parseVal().links.self.val));\n\n// Add your API routes here\n// app.get(\"/api/data\", c => c.json({ hello: \"world\" }));\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","import { parseVal, serveFile } from \"https://esm.town/v/std/utils/index.ts\";\nimport { Hono } from \"npm:hono\";\nimport { resolveMany } from \"./resolve.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// View source redirect\napp.get(\"/source\", (c) => c.redirect(parseVal().links.self.val));\n\n// Resolve a batch of URLs, following redirects\napp.post(\"/api/resolve\", async (c) => {\n let body: { urls?: unknown };\n try {\n body = await c.req.json();\n } catch {\n return c.json({ error: \"Invalid JSON body\" }, 400);\n }\n\n const raw = body?.urls;\n if (!Array.isArray(raw)) {\n return c.json({ error: \"Expected { urls: string[] }\" }, 400);\n }\n\n // Dedupe-preserving cleanup: drop empties, cap to a sane batch size\n const urls = raw\n .filter((u): u is string => typeof u === \"string\")\n .map((u) => u.trim())\n .filter(Boolean)\n .slice(0, 200);\n\n if (urls.length === 0) {\n return c.json({ results: [] });\n }\n\n const results = await resolveMany(urls);\n return c.json({ results });\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","createdAt",["D",1780379328048],"branchVersion","branchId","a897132e-5e46-11f1-9158-1607ee4eb77e","id","a890b880-5e46-11f1-9158-1607ee4eb77e","url-resolver",["D",1780379299385],"deletedAt","legacyEnvVars","privacy","public","httpPrivacy","description","Starter template with client-side React & Hono server","imageUrl","https://imagedelivery.net/iHX6Ovru0O7AjmyT5yZRoA/64dc00cc-94d9-47dd-81b1-dde02610d900/square512?exp=1789570799&sig=24cffcb7bd8cb9561eafd0c4bc1b91e4c7a662500ce58f0f64f2f4c551be4a2c","5d1042a9-7b0b-499d-8a72-3a8ac7a4e185","pinnedFileId","pinPreview",true,"pinMigrated","screenshotVersion","likeCount",0,"orgId","5f80108f-7ca4-4327-b77b-089dbe4b5a82","tursoName","a890b8805e4611f191581607ee4eb77e","tursoHostname","a890b8805e4611f191581607ee4eb77e-val-town.aws-us-east-2.turso.io","tursoMeasuredAt",["D",1789514495229],"pinned","userPerm","r","valPerm","blobPerm","rw","emailPerm","sqlitePerm","projectPerm","telemetryPerm","user",{"_110":109,"_117":113},"org",{"_110":109,"_111":-5,"_112":113,"_19":62,"_114":115,"_116":31},"branch",{"_13":95,"_38":96,"_49":48,"_97":50,"_98":99,"_100":101,"_102":56,"_103":104,"_105":106,"_107":51,"_108":109},"isOwned",12,"main","projectId","forkedBranchId","961078ea-f528-11ef-aa68-569c3dd06744","forkedBranchVersion",89,"forkedProjectPrivacy","forkedProjectId","96102714-f528-11ef-aa68-569c3dd06744","forkedProjectOrgId","019aa807-52c2-709c-928b-2029bae9a558","projectName","userHandle","nbbaier","handle","displayName","avatar","https://secure.gravatar.com/avatar/0129a541b7b3574e92c4afd06c5e32da&d=identicon","tier","pro","canRestrictVals","profileImageUrl","branchName","","adoptOrgId",{"_49":50,"_38":51,"_44":257,"_53":-5,"_54":31,"_55":56,"_57":56,"_58":59,"_60":61,"_19":62,"_63":37,"_64":65,"_66":-5,"_67":-5,"_68":69,"_70":71,"_72":73,"_74":75,"_76":258,"_78":-5,"_79":80,"_81":80,"_82":83,"_84":83,"_85":83,"_86":80,"_87":80,"_88":259,"_90":260,"_92":261,"_94":31},"tree",[193,200,201,202],"files",[193,194,195,196,197,198,199,200,201,202],"counts",{"_183":69,"_184":173,"_185":69,"_186":187,"_188":189},"contents",[152,153,154,155],"upstreamProject",{"_49":104,"_38":149,"_58":59,"_60":61,"_55":56,"_88":150},"upstreamBranch",{"_49":99,"_44":142,"_143":144,"_38":96,"_97":104,"_13":145,"_98":-5,"_100":-5,"_146":147,"_53":-5,"_94":31,"_55":56,"_108":148,"_70":106,"_107":149},"emptyEnvVars","flags",[],"hasHttpFiles","grants","orgs","customDomains",{},["D",1740674013689],"updatedAt",["D",1785420707976],91,"lockfileKey","1785420708123-esm.town_v_templates_react-hono-starter@91-main","templates","react-hono-starter",{"_110":148,"_117":151},"https://imagedelivery.net/iHX6Ovru0O7AjmyT5yZRoA/129cab32-3bd7-4c3e-f39b-f12900c76100/square512?exp=1789570799&sig=257a5acfa0921f3bba1b6e04c40af81b331d69d65dd78c28728d8fa984364db5",{"_49":177,"_38":178,"_36":179,"_159":-5,"_47":48,"_46":173,"_161":65,"_44":180,"_13":69,"_39":181,"_41":-5,"_30":31,"_165":-5,"_33":182},{"_49":170,"_38":171,"_36":172,"_159":-5,"_47":48,"_46":173,"_161":31,"_44":174,"_13":69,"_39":26,"_41":175,"_30":31,"_165":-5,"_33":176},{"_49":167,"_38":34,"_36":37,"_159":-5,"_47":48,"_46":14,"_161":65,"_44":168,"_13":160,"_39":40,"_41":43,"_30":31,"_165":-5,"_33":169},{"_49":156,"_38":157,"_36":158,"_159":-5,"_47":48,"_46":160,"_161":65,"_44":162,"_13":69,"_39":163,"_41":164,"_30":31,"_165":-5,"_33":166},"b2b8087c-5e46-11f1-8954-1607ee4eb77e","resolve.ts","b2b8094e-5e46-11f1-8954-1607ee4eb77e","parentId",2,"latest",["D",1780379316424],"script","export interface ResolveResult {\n input: string;\n resolved: string | null;\n status: number | null;\n redirected: boolean;\n hops: number;\n ok: boolean;\n error: string | null;\n}\n\n/** Normalize a user-supplied URL string. Adds https:// if no scheme is present. */\nfunction normalizeInput(raw: string): string {\n const trimmed = raw.trim();\n if (!trimmed) return trimmed;\n if (/^https?:\\/\\//i.test(trimmed)) return trimmed;\n return `https://${trimmed}`;\n}\n\n/**\n * Manually follow redirects so we can count hops and capture the final URL,\n * even when a server uses non-standard redirect chains. Falls back to the\n * Response.url when available.\n */\nexport async function resolveUrl(\n raw: string,\n { maxHops = 15, timeoutMs = 10000 }: { maxHops?: number; timeoutMs?: number } = {},\n): Promise {\n const input = raw.trim();\n const result: ResolveResult = {\n input,\n resolved: null,\n status: null,\n redirected: false,\n hops: 0,\n ok: false,\n error: null,\n };\n\n if (!input) {\n result.error = \"Empty URL\";\n return result;\n }\n\n let current: string;\n try {\n current = new URL(normalizeInput(input)).toString();\n } catch {\n result.error = \"Invalid URL\";\n return result;\n }\n\n for (let hop = 0; hop < maxHops; hop++) {\n const controller = new AbortController();\n const timer = setTimeout(() => controller.abort(), timeoutMs);\n let res: Response;\n try {\n res = await fetch(current, {\n method: \"GET\",\n redirect: \"manual\",\n signal: controller.signal,\n headers: {\n \"User-Agent\":\n \"Mozilla/5.0 (compatible; ValTown-URL-Resolver/1.0; +https://val.town)\",\n },\n });\n } catch (err) {\n clearTimeout(timer);\n result.error = err instanceof Error ? err.message : String(err);\n result.resolved = current;\n return result;\n }\n clearTimeout(timer);\n\n const status = res.status;\n const location = res.headers.get(\"location\");\n\n // Redirect status with a Location header → follow it\n if (status >= 300 && status < 400 && location) {\n result.redirected = true;\n result.hops = hop + 1;\n try {\n current = new URL(location, current).toString();\n } catch {\n result.error = `Bad redirect target: ${location}`;\n result.resolved = current;\n result.status = status;\n return result;\n }\n continue;\n }\n\n // Terminal response\n result.resolved = current;\n result.status = status;\n result.ok = res.ok;\n return result;\n }\n\n result.error = `Too many redirects (>${maxHops})`;\n result.resolved = current;\n return result;\n}\n\n/** Resolve many URLs concurrently with a bounded pool. */\nexport async function resolveMany(\n urls: string[],\n concurrency = 8,\n): Promise {\n const results: ResolveResult[] = new Array(urls.length);\n let next = 0;\n\n async function worker() {\n while (true) {\n const i = next++;\n if (i >= urls.length) return;\n results[i] = await resolveUrl(urls[i]);\n }\n }\n\n const workers = Array.from(\n { length: Math.min(concurrency, urls.length) },\n () => worker(),\n );\n await Promise.all(workers);\n return results;\n}\n","label",[157],"b9a6256a-5e46-11f1-8954-1607ee4eb77e",["D",1780379328048],[34],"a89bff4c-5e46-11f1-9158-1607ee4eb77e","README.md","019e86e0-2e7d-72e6-bd5a-7395c818fef3",1,["D",1780379299385],"# 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## Picking a starter\n\n| Starter | When to pick it |\n| --- | --- |\n| [`basic-html-starter`](https://www.val.town/x/templates/basic-html-starter) | Static HTML pages. Sprinkle of vanilla JS. No server-side rendering. |\n| [`hono-jsx-starter`](https://www.val.town/x/templates/hono-jsx-starter) | Dynamic server-rendered HTML with JSX. API routes. No React, no SPA. |\n| **[`react-hono-starter`](https://www.val.town/x/templates/react-hono-starter)** *(you're here)* | Client-side React SPA with a Hono API backend. |\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\n",[171],"a89bfe20-5e46-11f1-9158-1607ee4eb77e","frontend","019e86e0-2e7d-72e6-bd5a-6e3f3230519b",["D",1780379299385],"directory",[178],"pulls","branches","forks","envVars",{"_190":69,"_192":69},"connections",{"_190":69,"_191":69},"count","unfilledCount","emptyCount",{"_49":177,"_38":178,"_36":179,"_159":-5,"_47":48,"_46":173,"_161":65,"_44":254,"_13":69,"_39":181,"_41":-5,"_30":31,"_165":-5,"_204":255,"_33":256},{"_49":250,"_38":242,"_36":237,"_159":179,"_47":48,"_46":173,"_161":65,"_44":251,"_13":69,"_39":181,"_41":-5,"_30":31,"_165":-5,"_204":252,"_33":253},{"_49":243,"_38":244,"_36":245,"_159":237,"_47":48,"_46":173,"_161":31,"_44":246,"_13":69,"_39":163,"_41":247,"_30":31,"_165":-5,"_204":248,"_33":249},{"_49":234,"_38":235,"_36":236,"_159":237,"_47":48,"_46":173,"_161":31,"_44":238,"_13":69,"_39":163,"_41":239,"_30":31,"_165":-5,"_204":240,"_33":241},{"_49":227,"_38":228,"_36":229,"_159":179,"_47":48,"_46":173,"_161":65,"_44":230,"_13":69,"_39":26,"_41":231,"_30":31,"_165":-5,"_204":232,"_33":233},{"_49":220,"_38":221,"_36":222,"_159":179,"_47":48,"_46":173,"_161":31,"_44":223,"_13":69,"_39":26,"_41":224,"_30":31,"_165":-5,"_204":225,"_33":226},{"_49":213,"_38":214,"_36":215,"_159":179,"_47":48,"_46":173,"_161":65,"_44":216,"_13":69,"_39":163,"_41":217,"_30":31,"_165":-5,"_204":218,"_33":219},{"_49":170,"_38":171,"_36":172,"_159":-5,"_47":48,"_46":173,"_161":31,"_44":210,"_13":69,"_39":26,"_41":175,"_30":31,"_165":-5,"_204":211,"_33":212},{"_49":167,"_38":34,"_36":37,"_159":-5,"_47":48,"_46":14,"_161":65,"_44":207,"_13":160,"_39":40,"_41":43,"_30":31,"_165":-5,"_204":208,"_33":209},{"_49":156,"_38":157,"_36":158,"_159":-5,"_47":48,"_46":160,"_161":65,"_44":203,"_13":69,"_39":163,"_41":164,"_30":31,"_165":-5,"_204":205,"_33":206},["D",1780379316424],"children",[],[157],["D",1780379328048],[],[34],["D",1780379299385],[],[171],"a89bfb1e-5e46-11f1-9158-1607ee4eb77e","index.tsx","019e86e0-2e7d-72e6-bd5a-6b634c4d6ad5",["D",1780379299385],"/** @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();",[],[178,214],"a89bf614-5e46-11f1-9158-1607ee4eb77e","index.html","019e86e0-2e7d-72e6-bd5a-66a242d818f8",["D",1780379299385],"\n\n \n \n \n React Hono Val Town Starter\n \n \n \n \n

\n \n \n \n",[],[178,221],"a89bf0a6-5e46-11f1-9158-1607ee4eb77e","favicon.svg","019e86e0-2e7d-72e6-bd5a-6250640eb0d4",["D",1780379299385],"\n",[],[178,228],"a89be7be-5e46-11f1-9158-1607ee4eb77e","Counter.tsx","019e86e0-2e7d-72e6-bd5a-59c436820d15","019e86e0-2e7d-72e6-bd5a-5fb2f4d3a0d4",["D",1780379299385],"/** @jsxImportSource https://esm.sh/react@18.2.0 */\nimport { useState } from \"https://esm.sh/react@18.2.0\";\n\nexport function Counter() {\n const [count, setCount] = useState(0);\n return (\n

\n Clicked\n setCount((c) => c + 1)}\n class=\"bg-blue-500 hover:bg-blue-600 text-white font-medium px-4 py-2 rounded-lg transition-colors cursor-pointer\"\n >\n {count}\n \n times\n

\n );\n}\n",[],[178,242,235],"components","a89bd5a8-5e46-11f1-9158-1607ee4eb77e","App.tsx","019e86e0-2e7d-72e6-bd5a-579d8dd7164e",["D",1780379299385],"/** @jsxImportSource https://esm.sh/react@18.2.0 */\nimport { Counter } from \"./Counter.tsx\";\n\nexport function App() {\n return (\n

React + Hono Starter

\n \n

\n View source\n

\n );\n}\n",[],[178,242,244],"a89bef3e-5e46-11f1-9158-1607ee4eb77e",["D",1780379299385],[195,196],[178,242],["D",1780379299385],[194,197,198,199],[178],["D",1780379299385],["D",1789514495229],{"_110":109,"_117":113},{"_110":109,"_111":-5,"_112":113,"_19":62,"_114":115,"_116":31},{"_13":95,"_38":96,"_49":48,"_97":50,"_98":99,"_100":101,"_102":56,"_103":104,"_105":106,"_107":51,"_108":109},"ctx",{"_88":-5,"_139":295,"_296":297,"_298":299,"_300":31,"_301":31,"_302":31,"_303":65,"_304":-5,"_305":-7,"_306":-7,"_307":69,"_308":31,"_309":31,"_310":-5,"_311":31,"_312":31,"_313":31,"_314":-5},"ENV",{"_266":267,"_268":269,"_270":96,"_271":272,"_273":274,"_275":276,"_277":278,"_279":280,"_281":282,"_283":284,"_285":286,"_287":288,"_289":290,"_291":292,"_293":294},"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 · v4