🎲 Advanced Roller

\n \n \n \n \n \n \n

\n\n Expression:\n

\n \n \n

\n\n

Enter an expression then press Roll (or Enter).

\n \n \n

\n\n

History

Loading…

\n\n\n\n`;",[],[174],{"_102":184,"_95":185,"_153":186,"_155":-5,"_156":138,"_157":187,"_159":160,"_104":188,"_99":162,"_163":179,"_165":189,"_167":22,"_168":-5,"_169":190,"_98":191},"5e97d2e4-3076-11f0-812d-569c3dd06744","base_widget.ts","4a8667d4-3076-11f0-a5a3-569c3dd06744",19,["D",1747194539968],"function simpleHash(str: string): string {\n let hash = 0;\n for (let i = 0; i < str.length; i++) {\n const char = str.charCodeAt(i);\n hash = ((hash << 5) - hash) + char;\n hash = hash & hash; // Convert to 32-bit integer\n }\n return hash.toString(16);\n}\n\nconst quotes = [\n { text: \"The only way to do great work is to love what you do.\", author: \"Steve Jobs\" },\n { text: \"Believe you can and you're halfway there.\", author: \"Theodore Roosevelt\" },\n { text: \"I have not failed. I've just found 10,000 ways that won't work.\", author: \"Thomas A. Edison\" },\n { text: \"It always seems impossible until it's done.\", author: \"Nelson Mandela\" },\n { text: \"The future belongs to those who believe in the beauty of their dreams.\", author: \"Eleanor Roosevelt\" },\n];\n\nexport default async function(req: Request): Promise {\n const today = new Date().toISOString().split(\"T\")[0];\n const cacheKey = simpleHash(today);\n\n const headers = new Headers({\n \"Content-Type\": \"text/html\",\n \"Cache-Control\": \"public, max-age=86400\",\n \"ETag\": cacheKey,\n });\n\n if (req.headers.get(\"If-None-Match\") === cacheKey) {\n return new Response(null, { status: 304, headers });\n }\n\n const randomQuote = quotes[Math.floor(Math.random() * quotes.length)];\n\n const html = `\n \n \n \n \n \n Inspiration and Countdown\n \n \n \n

\"${randomQuote.text}\"

- ${randomQuote.author}

Countdown to New Year's Eve

\n View source\n \n \n \n \n `;\n\n return new Response(html, { headers });\n}",[],[185],{"_102":193,"_95":194,"_153":195,"_155":-5,"_156":138,"_157":196,"_159":160,"_104":197,"_99":162,"_163":179,"_165":198,"_167":22,"_168":-5,"_169":199,"_98":200},"05658a08-3077-11f0-b348-569c3dd06744","click_counter.tsx","e78d750e-3076-11f0-80e3-569c3dd06744",23,["D",1747194819815],"// click_counter.ts\n\nimport { blob } from \"https://esm.town/v/std/blob\";\n\nconst BLOB_KEY = \"click-counter\";\n\n// Default export — this function *is* the HTTP handler\nexport default async function handler(req: Request): Promise {\n const url = new URL(req.url);\n\n // API route: GET or POST /count\n if (url.pathname === \"/count\") {\n // read existing count (or default to 0)\n const data = (await blob.getJSON<{ count: number }>(BLOB_KEY)) || { count: 0 };\n\n if (req.method === \"POST\") {\n data.count++;\n await blob.setJSON(BLOB_KEY, data);\n }\n\n return new Response(JSON.stringify(data), {\n headers: { \"Content-Type\": \"application/json; charset=utf-8\" },\n });\n }\n\n // UI route: GET /\n const html = `\n\n\n \n Click Counter\n \n\n\n

Click Counter

Loading…

\n \n\n \n\n`;\n\n return new Response(html, {\n headers: { \"Content-Type\": \"text/html; charset=utf-8\" },\n });\n}",[],[194],{"_102":202,"_95":203,"_153":204,"_155":-5,"_156":138,"_157":137,"_159":160,"_104":205,"_99":206,"_163":179,"_165":207,"_167":22,"_168":-5,"_169":208,"_98":209},"ee85672c-a57e-11f0-9091-0224a6c84d84","dice_roller.tsx","36e7dcfc-3077-11f0-b348-569c3dd06744",["D",1760062503453],10,"// dice_roller.ts — safer minimal D&D-style roller for Val Town\n// Routes and response shapes preserved, but with stronger validation, secure RNG,\n// optional deterministic seeding, and proper sign handling on term totals.\n\nimport { blob } from \"https://esm.town/v/std/blob\";\n\nconst HISTORY_KEY = \"dice-history\";\nconst BASE = \"/dice_roller\";\n\n// ──────────────────────────────────────────────────────────────────────────────\n// Limits (light DOS guards)\n// ──────────────────────────────────────────────────────────────────────────────\nconst LIMITS = {\n MAX_TERMS: 32,\n MAX_COUNT_PER_TERM: 500, // number of base dice in a term\n MAX_SIDES: 1000,\n HISTORY_MAX: 50,\n};\n\n// ──────────────────────────────────────────────────────────────────────────────\n// Types\n// ──────────────────────────────────────────────────────────────────────────────\ntype RNG = () => number; // returns [0,1)\n\ninterface DiceTerm {\n kind: \"dice\";\n sign: 1 | -1;\n count: number; // >= 1\n sides: number; // >= 2\n}\n\ninterface ConstTerm {\n kind: \"const\";\n value: number; // already includes sign\n}\n\ntype Term = DiceTerm | ConstTerm;\n\ninterface RollEntry {\n timestamp: string;\n expression: string;\n total: number;\n rolls: number[]; // flattened signed rolls (compatible with existing UI)\n constant: number;\n // no \"details\" to keep this “simple” version minimal\n}\n\n// ──────────────────────────────────────────────────────────────────────────────\n// RNG\n// ──────────────────────────────────────────────────────────────────────────────\nfunction secureRandom(): number {\n if (globalThis.crypto?.getRandomValues) {\n const u32 = new Uint32Array(1);\n crypto.getRandomValues(u32);\n return u32[0] / 0xffffffff;\n }\n return Math.random();\n}\n\nfunction makeSeededRNG(seed: number): RNG {\n // 32-bit LCG\n let x = (seed >>> 0) || 0x9e3779b9;\n return () => {\n x = (1664525 * x + 1013904223) >>> 0;\n return x / 0x100000000;\n };\n}\n\nfunction rollDie(sides: number, rng: RNG): number {\n return 1 + Math.floor(rng() * sides);\n}\n\n// ──────────────────────────────────────────────────────────────────────────────\n// Parsing: supports [+|-]NdS and [+|-]number terms, joined by + or -\n// Examples: 2d6+1d4+3, d20+5, -1 + 2d8 - d6, 3d6+2\n// ──────────────────────────────────────────────────────────────────────────────\nconst TOKEN_RE = /([+-]?\\d*d\\d+|[+-]?\\d+)/gi;\n\nfunction parseExpressionToTerms(expr: string): Term[] {\n const s = expr.replace(/\\s+/g, \"\");\n if (!s) throw new Error(\"Empty expression.\");\n\n const tokens = s.match(TOKEN_RE);\n if (!tokens) throw new Error(\"Invalid expression: no recognizable tokens.\");\n\n if (tokens.length > LIMITS.MAX_TERMS) {\n throw new Error(`Too many terms. Max is ${LIMITS.MAX_TERMS}.`);\n }\n\n const terms: Term[] = [];\n\n for (const raw of tokens) {\n const t = raw.trim();\n\n // Dice: [+|-]NdS ; N may be empty for 1\n const dm = /^([+-]?)(\\d*)d(\\d+)$/i.exec(t);\n if (dm) {\n const sign: 1 | -1 = dm[1] === \"-\" ? -1 : 1;\n const countStr = dm[2];\n const count = countStr === \"\" ? 1 : parseInt(countStr, 10);\n const sides = parseInt(dm[3], 10);\n\n if (!(count >= 1 && count <= LIMITS.MAX_COUNT_PER_TERM)) {\n throw new Error(\n `Invalid count in '${t}'. Allowed 1..${LIMITS.MAX_COUNT_PER_TERM}.`,\n );\n }\n if (!(sides >= 2 && sides <= LIMITS.MAX_SIDES)) {\n throw new Error(\n `Invalid sides in '${t}'. Allowed 2..${LIMITS.MAX_SIDES}.`,\n );\n }\n\n terms.push({ kind: \"dice\", sign, count, sides });\n continue;\n }\n\n // Constant: [+|-]number\n const cm = /^[+-]?\\d+$/.exec(t);\n if (cm) {\n const value = parseInt(t, 10);\n terms.push({ kind: \"const\", value });\n continue;\n }\n\n throw new Error(`Unrecognized token: '${t}'`);\n }\n\n return terms;\n}\n\nfunction evaluate(\n terms: Term[],\n rng: RNG,\n): { total: number; constant: number; rolls: number[] } {\n let total = 0;\n let constant = 0;\n const rolls: number[] = [];\n\n for (const term of terms) {\n if (term.kind === \"const\") {\n constant += term.value;\n total += term.value;\n continue;\n }\n\n // dice term\n let termSum = 0;\n for (let i = 0; i < term.count; i++) {\n const r = rollDie(term.sides, rng);\n termSum += r;\n // legacy compatibility: store signed rolls individually\n rolls.push(term.sign * r);\n }\n total += term.sign * termSum;\n }\n\n return { total, constant, rolls };\n}\n\n// Backward compatible facade\nfunction parseExpression(expr: string, rng: RNG) {\n const terms = parseExpressionToTerms(expr);\n return evaluate(terms, rng);\n}\n\n// ──────────────────────────────────────────────────────────────────────────────\n// Storage helpers\n// ──────────────────────────────────────────────────────────────────────────────\nasync function readHistory(): Promise {\n return (await blob.getJSON(HISTORY_KEY)) || [];\n}\n\nasync function writeHistory(entries: RollEntry[]) {\n await blob.setJSON(HISTORY_KEY, entries);\n}\n\n// ──────────────────────────────────────────────────────────────────────────────\n// Response helpers\n// ──────────────────────────────────────────────────────────────────────────────\nfunction json(data: unknown, status = 200) {\n return new Response(JSON.stringify(data), {\n status,\n headers: { \"Content-Type\": \"application/json; charset=utf-8\" },\n });\n}\n\nfunction htmlResponse(s: string) {\n return new Response(s, {\n headers: { \"Content-Type\": \"text/html; charset=utf-8\" },\n });\n}\n\n// ──────────────────────────────────────────────────────────────────────────────\n// Val Town handler\n// ──────────────────────────────────────────────────────────────────────────────\nexport default async function handler(req: Request): Promise {\n const url = new URL(req.url);\n const fullPath = url.pathname;\n\n // Normalize to support mounting anywhere in Val Town\n const path = fullPath === BASE\n ? \"/\"\n : fullPath.startsWith(BASE + \"/\")\n ? fullPath.slice(BASE.length)\n : fullPath;\n\n const { method } = req;\n\n // POST /clear\n if (method === \"POST\" && path === \"/clear\") {\n await writeHistory([]);\n return json({ ok: true });\n }\n\n // GET /history\n if (method === \"GET\" && path === \"/history\") {\n const history = await readHistory();\n return json(history);\n }\n\n // POST /roll body: { expression: string, seed?: number }\n if (method === \"POST\" && path === \"/roll\") {\n let payload: unknown;\n try {\n payload = await req.json();\n } catch {\n return json({ error: \"Invalid JSON.\" }, 400);\n }\n\n if (\n !payload ||\n typeof payload !== \"object\" ||\n typeof (payload as any).expression !== \"string\"\n ) {\n return json({ error: \"Missing or invalid 'expression'.\" }, 400);\n }\n\n const expr = ((payload as any).expression as string).trim();\n if (!expr) return json({ error: \"Expression cannot be empty.\" }, 400);\n\n const seedVal = (payload as any).seed;\n const rng: RNG = typeof seedVal === \"number\" && Number.isFinite(seedVal)\n ? makeSeededRNG(seedVal)\n : secureRandom;\n\n let result: { total: number; constant: number; rolls: number[] };\n try {\n result = parseExpression(expr, rng);\n } catch (e: any) {\n const msg = typeof e?.message === \"string\"\n ? e.message\n : \"Failed to parse/evaluate expression.\";\n return json({ error: msg }, 400);\n }\n\n const entry: RollEntry = {\n timestamp: new Date().toISOString(),\n expression: expr,\n total: result.total,\n rolls: result.rolls,\n constant: result.constant,\n };\n\n const history = await readHistory();\n history.unshift(entry);\n if (history.length > LIMITS.HISTORY_MAX) {\n history.length = LIMITS.HISTORY_MAX;\n }\n await writeHistory(history);\n\n return json(entry);\n }\n\n // GET / → Minimal UI\n if (method === \"GET\" && path === \"/\") {\n return htmlResponse(UI_HTML);\n }\n\n return new Response(\"Not Found\", { status: 404 });\n}\n\n// ──────────────────────────────────────────────────────────────────────────────\n// Minimal UI (keeps original feel, adds Enter-to-roll and path robustness)\n// ──────────────────────────────────────────────────────────────────────────────\nconst UI_HTML = `\n\n\n \n Dice Roller\n \n \n\n\n

🎲 Dice Roller

\n Dice Expression (e.g. 2d6+1d4+3)\n \n \n

Enter expression and press Roll (or Enter).

\n \n

History

Loading…

\n\n\n\n`;",[],[203],"files",[150,172,183,192,201],"counts",{"_214":32,"_215":118,"_216":32,"_217":218},"pulls","branches","forks","envVars",{"_219":32,"_220":32},"count","emptyCount","contents",[223,226,229,232,235],{"_102":151,"_95":152,"_153":154,"_155":-5,"_156":138,"_157":158,"_159":160,"_104":224,"_99":162,"_163":164,"_165":166,"_167":22,"_168":-5,"_98":225},["D",1747196470310],[152],{"_102":173,"_95":174,"_153":175,"_155":-5,"_156":138,"_157":176,"_159":160,"_104":227,"_99":178,"_163":179,"_165":180,"_167":22,"_168":-5,"_98":228},["D",1760062216083],[174],{"_102":184,"_95":185,"_153":186,"_155":-5,"_156":138,"_157":187,"_159":160,"_104":230,"_99":162,"_163":179,"_165":189,"_167":22,"_168":-5,"_98":231},["D",1747194539968],[185],{"_102":193,"_95":194,"_153":195,"_155":-5,"_156":138,"_157":196,"_159":160,"_104":233,"_99":162,"_163":179,"_165":198,"_167":22,"_168":-5,"_98":234},["D",1747194819815],[194],{"_102":202,"_95":203,"_153":204,"_155":-5,"_156":138,"_157":137,"_159":160,"_104":236,"_99":206,"_163":179,"_165":207,"_167":22,"_168":-5,"_98":237},["D",1760062503453],[203],"upstreamProject","upstreamBranch","emptyEnvVars","isNew","flags",[],"routes/_app.x.$handle.$name.search.$(branch)",{"_210":246,"_100":247,"_252":-5,"_93":94},[],{"_102":103,"_95":96,"_104":248,"_106":-5,"_107":22,"_108":109,"_110":111,"_112":-5,"_14":113,"_114":-5,"_115":22,"_116":-5,"_117":118,"_16":119,"_120":121,"_122":121,"_123":124,"_125":124,"_126":124,"_127":121,"_128":121,"_23":249,"_132":250,"_135":251,"_147":22},["D",1745866768939],{"_93":94,"_130":131},{"_93":94,"_134":131},{"_99":137,"_95":43,"_102":138,"_139":103,"_140":-5,"_141":-5,"_142":-5,"_143":-5,"_144":-5,"_145":96,"_146":94},"query","actionData","errors"]

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