use newer fetch handler w/ typescript

README.md

@@ -1,6 +1,6 @@
 # 🌎 [simpip](https://simpip.com/)
 
-**⚡ Now powered purely by [Cloudflare Workers](https://www.cloudflare.com/products/cloudflare-workers/), making it _blazing_ fast from anywhere in the world — and even simpler!** [Try this code on the playground.](https://cloudflareworkers.com/#ad749bc793a44b32186fc5d10fddf163:https://simpip.com/)
+**⚡ Now powered purely by [Cloudflare Workers](https://www.cloudflare.com/products/cloudflare-workers/), making it _blazing_ fast from anywhere in the world — and even simpler!** [Try this code on the playground.][playground]
 
 [![Deploy Cloudflare Worker](https://github.com/jakejarvis/simpip/actions/workflows/deploy.yml/badge.svg)](https://github.com/jakejarvis/simpip/actions/workflows/deploy.yml)
 
@@ -41,3 +41,5 @@ jake@macbook:~$ ip
 ## License
 
 MIT
+
+[playground]: https://workers.cloudflare.com/playground#LYVwNgLglgDghgJwgegGYHsHALQBM4RwDcABAEbogB2+CAngLzbPYDqApmQNJQQBimYACFKNRHSEBjAFYBGAJqyAWgA0AigFYAktIBqXAExgAXCxYduvAVhHVaEmQuXrtew2ACwAKADC6KhDsAdgAIlAAzjDo4bxQ-sYkGFh4BMQkVHDA7AwARFA07AAeAHTS4TmkqFBgQZnZeQUlZTnefgFBENgAKnQw7AlwMDBgUJIEcVTI0nAAbnDhkgiwEADUwOi44Oze3kVRSCS47Khw4BAkAN5eJCTzdFSSiewQkgAWABQI7ACOIOzhEAAlJdrjcSJJ-ACSOgYBBwiQGCCwWDXuw4EcEOEEldkcicm1AsEen0cgkcoFCihhnB8jkADSg3EkfFwN7sbAEhDoMCk5lUdDYMZsunpAUAzDsEWgAHYL5zEb4QL0xm4nIAUUKMCgX3KZIADMqmTccgAFBBwADmwDgvJy-MFrNRhqN+P8hM6AGV2JIQEsIHRsCbuaM6LajiczthwghHgByflUdix51MnIqUJQXDYeSUbBcfkAd1tOZA4LgVBIIHC7BIAB0cj6EGASNgACz16EIOsN33N7AANg7EHQJAtzxI7F4qK7WhNt1wuB14QAhCnVendFB2AXsB7KDH2LbXhAIDAschkBapyAyMUIcApnAANbsaYIGYRZAxYBamBrm4AL4MsiAFEF4KpQKgJDvImBYkAAqgASgAMp8Px-ACxS9oCxTwBArwZFkCIMIiOTIDkwI4riEJUFCsAIiQXy-P8EDFKi6LsJixRjhA7wNqggr+ImkjQFQFrYLAFEkAAPtJjHoSxbFohi4Tcc8fGFNgSQFogRxZkkFFgSqNxfBAvoVrBJCIf8US0ew7z0SszK1lQ9JIkaAIEFWCQGHqerAR5hBmeEXRFBAZIAPJcP+YLFHFMJwgFIGAmBIHgcipnmek25WTZkL2TkrZ6q2JAAHLoOcAh2C5blUcinnBQkRWtklYINVWoWUmS5WVaIuAxXFxQJeErUASloJAV4oFeN4ZjMBYPD8IIthiPQUhyIoqiaDo+hGK0bodBmkTRLE8SJIIKSEKQhH1FkhCKjalTVLUWS5GQYDoGQLS+AdRK9P0txDCMYzQP4UzhP4OxeBcOTWvkAD66ybDUpINEcTTlABs1zQtVjLX14jrU4W2uLtYDMN4QA

package.json

@@ -1,13 +1,15 @@
 {
   "name": "simpip",
   "version": "0.0.0",
+	"private": true,
   "license": "MIT",
-  "main": "index.js",
   "scripts": {
     "start": "wrangler dev",
     "deploy": "wrangler publish"
   },
   "devDependencies": {
+    "@cloudflare/workers-types": "^4.20240208.0",
+    "typescript": "^5.3.3",
     "wrangler": "^3.27.0"
   }
 }

src/index.ts

@@ -0,0 +1,31 @@
+export default {
+  async fetch(request: Request) {
+    const opts = {
+      headers: {
+        "Content-Type": "text/plain",
+        "Cache-Control": "no-cache, no-store, must-revalidate",
+        "Expires": "0",
+        "Pragma": "no-cache",
+        "Content-Security-Policy": "default-src 'none'",
+        "X-Did-You-Know": "You can use \"curl -4\" or \"curl -6\" to get either IP address!",
+        "X-View-Source": "https://github.com/jakejarvis/simpip",
+      },
+    };
+
+    if (new URL(request.url).pathname === "/") {
+      const ip = request.headers.get("cf-connecting-ip") || request.headers.get("x-forwarded-for");
+
+      return new Response(ip + "\n", {
+        status: 200,
+        statusText: "OK",
+        ...opts,
+      });
+    }
+
+    return new Response("404 Not Found\n", {
+      status: 404,
+      statusText: "Not Found",
+      ...opts,
+    });
+  },
+} satisfies ExportedHandler;

tsconfig.json

@@ -0,0 +1,12 @@
+{
+	"compilerOptions": {
+		"noEmit": true,
+		"module": "esnext",
+		"target": "esnext",
+		"lib": ["esnext"],
+		"strict": true,
+		"moduleResolution": "node",
+		"types": ["@cloudflare/workers-types"]
+	},
+	"exclude": ["node_modules"]
+}

wrangler.toml

@@ -1,7 +1,6 @@
 name = "simpip"
 compatibility_date = "2024-02-08"
-main = "index.js"
+main = "./src/index.ts"
 routes = [
-	{ pattern = "simpip.com", custom_domain = true },
-	{ pattern = "www.simpip.com", custom_domain = true }
+	{ pattern = "simpip.com", custom_domain = true }
 ]