refactor: expose serve as standalone util

Author: pi0

src/h3.ts

@@ -16,12 +16,19 @@ import {
   findRoute,
   type RouterContext,
 } from "rou3";
-import { serve, type ServerOptions } from "srvx";
+import { serve as srvxServe, type ServerOptions } from "srvx";
 import { getPathname, joinURL } from "./utils/internal/path";
 import { H3WebEvent } from "./event";
 import { kNotFound, prepareResponse } from "./response";
 import { createError } from "./error";
 
+/**
+ * Serve the h3 app, automatically handles current runtime behavior.
+ */
+export function serve(app: H3, options?: ServerOptions) {
+  return srvxServe({ fetch: app.fetch, ...options });
+}
+
 /**
  * Create a new h3 instance.
  */
@@ -63,10 +70,6 @@ class _H3 implements H3 {
     };
   }
 
-  serve(options: ServerOptions) {
-    return serve({ ...options, fetch: this.fetch });
-  }
-
   fetch(
     _request: Request | URL | string,
     options?: RequestInit & { h3?: H3EventContext },

src/index.ts

@@ -2,7 +2,7 @@
 export * from "./types";
 
 // H3
-export { createH3 } from "./h3";
+export { createH3, serve } from "./h3";
 
 // Event
 export { isEvent, mockEvent } from "./utils/event";