Clean up browser chat demo snippet

Author: mmkal

src/hosted/site.ts

@@ -1,7 +1,7 @@
 import { HOSTED_CAPTUN_HOSTNAME, isLoopbackHostname, RESERVED_TUNNEL_NAMES } from "../routing.js";
 import { WWW_BROWSER_MODULE } from "./browser-module.generated.js";
 
-declare const createCaptunTunnel: typeof import("../index").createCaptunTunnel;
+declare const createCaptunTunnel: typeof import("../index.js").createCaptunTunnel;
 
 declare function runtimeImport<T = unknown>(specifier: string): Promise<T>;
 
@@ -120,23 +120,21 @@ function chatRoomDemoSource() {
 
       const messages = window.chatMessages.join("\n").replace(/[^\w\s-,.'"!?():]/g, "");
 
-      return new Response(
-        String(`
-          <script>
-            let username = document.cookie.match(/username=([^;]+)/)?.[1];
-            username ||= 'user' + Math.random().toString().slice(2, 8);
-            document.cookie = 'username=' + username + '; Path=/; Secure';
-            function send(form) {
-              fetch('/', { method: 'POST', body: username + ': ' + form.m.value }).then(() => location.reload());
-            }
-          </script>
-          <pre>${messages}</pre>
-          <form onsubmit="send(this); return false">
-            <input name="m" style="font-size:16px" autofocus><button>send</button>
-          </form>
-        `),
-        { headers: { "content-type": "text/html; charset=utf-8" } },
-      );
+      const html = `
+        <script>
+          let username = document.cookie.match(/username=([^;]+)/)?.[1];
+          username ||= 'user' + Math.random().toString().slice(2, 8);
+          document.cookie = 'username=' + username + '; Path=/; Secure';
+          function send(form) {
+            fetch('/', { method: 'POST', body: username + ': ' + form.msg.value }).then(() => location.reload());
+          }
+        </script>
+        <pre>${messages}</pre>
+        <form onsubmit="send(this); return false">
+          <input name="msg" style="font-size:16px" autofocus><button>send</button>
+        </form>
+      `;
+      return new Response(html, { headers: { "content-type": "text/html; charset=utf-8" } });
     },
   });
 }