refactor(router): improve plugin retrieval logic in Vite adapter (#8001)

* refactor(router): improve plugin retrieval logic in Vite adapter

* refactor(router): unify plugin retrieval logic in Vite adapter and buildtime plugin

* refactor(router): add double type assertion to avoid TypeScript stack depth error in plugin retrieval

Author: JerryWu1234

packages/qwik-router/src/adapters/shared/vite/index.ts

@@ -48,9 +48,11 @@ export function viteAdapter(opts: ViteAdapterPluginOptions) {
         if (!qwikRouterPlugin) {
           throw new Error('Missing vite-plugin-qwik-router');
         }
+        // Use double type assertion to avoid TS "Excessive stack depth comparing types" error
+        // when comparing QwikVitePlugin with Plugin types
         qwikVitePlugin = config.plugins.find(
           (p) => p.name === 'vite-plugin-qwik'
-        ) as QwikVitePlugin;
+        ) as any as QwikVitePlugin;
         if (!qwikVitePlugin) {
           throw new Error('Missing vite-plugin-qwik');
         }

packages/qwik-router/src/buildtime/vite/plugin.ts

@@ -133,8 +133,11 @@ function qwikRouterPlugin(userOpts?: QwikRouterVitePluginOptions): any {
       await validatePlugin(ctx.opts);
 
       mdxTransform = await createMdxTransformer(ctx);
-
-      qwikPlugin = config.plugins.find((p) => p.name === 'vite-plugin-qwik') as QwikVitePlugin;
+      // Use double type assertion to avoid TS "Excessive stack depth comparing types" error
+      // when comparing QwikVitePlugin with Plugin types
+      qwikPlugin = config.plugins.find(
+        (p) => p.name === 'vite-plugin-qwik'
+      ) as any as QwikVitePlugin;
       if (!qwikPlugin) {
         throw new Error('Missing vite-plugin-qwik');
       }