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import { ServeInit, Server } from "./deps.ts";import { handler } from "./handler.ts";import { middleware } from "./middleware.ts";import { router } from "./router.ts";import { HandlerArgument, MiddlewareArgument, PathArgument } from "./types.ts";
interface Application {  serve(options?: ServeInit): Promise<void>;  get(path: PathArgument, ...handlers: HandlerArgument[]): Application;  post(path: PathArgument, ...handlers: HandlerArgument[]): Application;  put(path: PathArgument, ...handlers: HandlerArgument[]): Application;  delete(path: PathArgument, ...handlers: HandlerArgument[]): Application;  head(path: PathArgument, ...handlers: HandlerArgument[]): Application;  options(path: PathArgument, ...handlers: HandlerArgument[]): Application;  patch(path: PathArgument, ...handlers: HandlerArgument[]): Application;  use(...middlewares: MiddlewareArgument[]): Application;  close(): void;}
const appHandler = handler();export const { getParams, getParam } = appHandler;
export function application(): Application {  const appRouter = router();  const appMiddleware = middleware();  let server: Server;  const app = {    close: () => {      return server.close();    },    serve: (options: ServeInit = {}) => {      server = new Server({        onError: options.onError,        hostname: options.hostname,        port: options.port,        handler: appHandler.createHandler(          appRouter.routes,          appMiddleware.middlewares,        ),      });      const port = options.port ?? 8000;      const listener = Deno.listen({ port });      return server.serve(listener);    },    get: (path: PathArgument, ...handlers: HandlerArgument[]) => {      appRouter.get(path, ...handlers);      return app;    },    post: (path: PathArgument, ...handlers: HandlerArgument[]) => {      appRouter.post(path, ...handlers);      return app;    },    put: (path: PathArgument, ...handlers: HandlerArgument[]) => {      appRouter.put(path, ...handlers);      return app;    },    delete: (path: PathArgument, ...handlers: HandlerArgument[]) => {      appRouter.delete(path, ...handlers);      return app;    },    head: (path: PathArgument, ...handlers: HandlerArgument[]) => {      appRouter.head(path, ...handlers);      return app;    },    patch: (path: PathArgument, ...handlers: HandlerArgument[]) => {      appRouter.patch(path, ...handlers);      return app;    },    options: (path: PathArgument, ...handlers: HandlerArgument[]) => {      appRouter.options(path, ...handlers);      return app;    },    use: (...middlewares: MiddlewareArgument[]) => {      appMiddleware.useMiddleware(...middlewares);      return app;    },  };
  return app;}