🔧 Added tests for Middleware

src/middlewares/sveltekit.ts

@@ -1,4 +1,4 @@
-import type { Middleware } from '../types';
+import type { Middleware, Event } from '../types';
 
 
 /**
@@ -13,19 +13,23 @@ import type { Middleware } from '../types';
  * composer.use(sveltekitMiddleware());
  * ```
  */
-export function sveltekitMiddleware() {
-  const middleware: Middleware = async (
-    event: Record<string, unknown> | { request: Request; locals: unknown },
-    ctx: Record<string, unknown>,
+
+type SvelteKitEvent = Event & { request: Request; locals: object }
+type Locals = Record<string, unknown>
+
+export function sveltekitMiddleware () {
+  const middleware: Middleware<SvelteKitEvent, Locals, Locals > = async (
+    event: SvelteKitEvent,
+    ctx: Locals,
     next: CallableFunction
   ) => {
     if (!event?.request || !event?.locals) {
       throw TypeError('Use this middleware only with SvelteKit. Pass RequestEvent to exec function');
     }
-    // @ts-expect-error json method is defined by Request object
     ctx.body = await event.request.json();
     Object.assign(ctx, event.locals);
     next();
+
   };
   return middleware
 }