add type for USING_SOLID_START_DEV_SERVER

Author: Brendonovich

packages/start/src/config/dev-server.ts

@@ -30,7 +30,7 @@ export function devServer(): Array<PluginOption> {
             return;
 					}
 
-          (globalThis as any).USING_SOLID_START_DEV_SERVER = true;
+          globalThis.USING_SOLID_START_DEV_SERVER = true;
 
 					removeHtmlMiddlewares(viteDevServer);
 

packages/start/src/internal.d.ts

@@ -10,4 +10,5 @@ declare module "h3" {
 import type { Rollup } from "vite";
 declare global {
   var START_CLIENT_BUNDLE: Rollup.OutputBundle;
+  var USING_SOLID_START_DEV_SERVER: boolean | undefined
 }

packages/start/src/server/handler.ts

@@ -120,7 +120,7 @@ export function createBaseHandler(
 
       // using TransformStream in dev can cause solid-start-dev-server to crash
       // when stream is cancelled
-      if((globalThis as any).USING_SOLID_START_DEV_SERVER) return stream
+      if(globalThis.USING_SOLID_START_DEV_SERVER) return stream
 
       // returning stream directly breaks cloudflare workers
       const { writable, readable } = new TransformStream();