Update

src/server.js

···
     }
 
     this.app.get("/{*any}", async (req, res) => {
+      // Single site mode
+      if (this.config.site) {
+        return this.handleSiteRequest(req, res, this.config.site);
+      }
+      // Multi site mode
       const subdomain = req.subdomains.at(-1);
-      // Single site mode
       if (!subdomain) {
-        if (this.config.site) {
-          return this.handleSiteRequest(req, res, this.config.site);
-        } else {
-          return res.status(200).send("Tangled pages is running!");
-        }
+        return res.status(200).send("Tangled pages is running!");
       }
-      // Multi site mode
       const matchingSite = this.config.sites.find(
         (site) => site.subdomain === subdomain
       );

src/worker.js

···
 
 export default {
   async fetch(request, env, ctx) {
+    // Single site mode
+    if (config.site) {
+      return handleSiteRequest(request, config.site);
+    }
+    // Multi site mode
     const url = new URL(request.url);
-    const host = url.host;
     const subdomainOffset = config.subdomainOffset ?? 2;
-    const subdomain = host.split(".").at((subdomainOffset + 1) * -1);
-    // Single site mode
+    const subdomain = url.host.split(".").at((subdomainOffset + 1) * -1);
     if (!subdomain) {
-      if (config.site) {
-        return handleSiteRequest(request, config.site);
-      } else {
-        return new Response("Tangled pages is running!", { status: 200 });
-      }
+      return new Response("Tangled pages is running!", { status: 200 });
     }
-    // Multi site mode
     const matchingSite = config.sites?.find(
       (site) => site.subdomain === subdomain
     );