Use h3/generic for runtime agnostic methods

.changeset/famous-ducks-flash.md

@@ -0,0 +1,5 @@
+---
+"@solidjs/start": minor
+---
+
+fix cloudflare

packages/start/src/config/lazy.ts

@@ -90,6 +90,7 @@ const lazy = (): PluginOption => {
       // The transformed files either import "lazy" or css files
       // Therefore we skip, if the src doesn't have any import
       if (src.indexOf("import") === -1) return;
+      if (id.includes("entry-server")) return;
 
       const plugins: PluginItem[] = [];
 

packages/start/src/server/handler.ts

@@ -1,5 +1,5 @@
 import middleware from "solid-start:middleware";
-import { defineHandler, getCookie, H3, type H3Event, redirect, setCookie } from "h3";
+import { defineHandler, getCookie, H3, type H3Event, redirect, setCookie } from "h3/generic";
 import { join } from "pathe";
 import type { JSX } from "solid-js";
 import { sharedConfig } from "solid-js";