/** @jsxImportSource https://esm.sh/react@18.2.0 */ import cronstrue from "https://esm.sh/cronstrue"; import React, { useState } from "https://esm.sh/react@18.2.0"; import { chat } from "https://esm.town/v/stevekrouse/openai?v=19"; import react_http from "https://esm.town/v/stevekrouse/react_http?v=6"; export default function(req: Request) { const url = new URL(req.url); if (req.method === "GET" && url.pathname === "/") { return react_http({ component: App, sourceURL: import.meta.url, head: ` CronGPT`, }); } else if (req.method === "POST" && url.pathname === "/compile") { return compile(req); } return new Response("Not found", { status: 404 }); } export function App() { const browserTZ = Intl.DateTimeFormat().resolvedOptions().timeZone; const [loading, setLoading] = useState(false); const [cron, setCron] = useState("0 16 * * 1-5"); const onSubmit: React.FormEventHandler = async function(e) { e.preventDefault(); setLoading(true); const cron = await fetch("/compile", { method: "POST", body: new FormData(e.target as HTMLFormElement), }).then((r) => r.json()); setCron(cron); setLoading(false); }; return (

CronGPT

Generate cron expressions with ChatGPT

Need a place to run cron jobs? Try Val Town

{" "}

View source {" | "} Inspired by Cron Prompt

); } const Link = ({ href, children }: { href: string; children?: any }) => ( {children} ); function Cron({ cron, timezone }) { let translation; try { translation = cronstrue.toString(cron, { tzOffset: getOffset(timezone), use24HourTimeFormat: false }); } catch (e) { translation = "Translation error: " + e.message; } return (

"{translation}, {timezone}"

); } async function compile(req: Request) { const form = await req.formData(); const description = form.get("description") as string; const timezone = form.get("timezone") as string; const { content } = await chat([ { role: "system", content: `You are an natural language to cron syntax compiler. Return a cron expression in UTC. The user is in ${timezone}. The timezone offset is ${getOffset(timezone)}. Return ONLY the cron expression.`, }, { role: "user", content: description }, ], { max_tokens: 10, }); const cron = content.replace("`", ""); return Response.json(cron); } // // https://stackoverflow.com/a/68593283 const getOffset = (timeZone: string) => { const now = new Date(); const utcDate = new Date(now.toLocaleString("en-US", { timeZone: "UTC" })); const tzDate = new Date(now.toLocaleString("en-US", { timeZone })); return (tzDate.getTime() - utcDate.getTime()) / (60 * 60 * 1000); };

cron_client_react_fork