Move to Deno+Bunny.net, add a way to test webring locally.

src/main.ts

@@ -0,0 +1,50 @@
+import { generateIndex } from './render_templates.ts';
+import { redirectNext } from './next.ts';
+import { redirectPrevious } from './previous.ts';
+import { redirectRandom } from './random.ts';
+
+export function handleFunctions(req: Request) {
+  const url = new URL(req.url);
+
+  switch (url.pathname) {
+    case '/next': {
+      return redirectNext(req);
+    }
+
+    case '/previous': {
+      return redirectPrevious(req);
+    }
+
+    case '/random': {
+      return redirectRandom(req);
+    }
+  }
+
+  return undefined;
+}
+
+if (import.meta.main) {
+  const index = generateIndex();
+
+  Deno.serve({ hostname: '127.0.0.1' }, (req) => {
+    const funcResp = handleFunctions(req);
+
+    if (funcResp !== undefined) {
+      return funcResp;
+    }
+
+    const url = new URL(req.url);
+    if (url.pathname === '/') {
+      return new Response(index, {
+        status: 200,
+        headers: {
+          'content-type': 'text/html',
+        },
+      });
+    }
+
+    return new Response(null, {
+      status: 404,
+    });
+  });
+}