optimized local api instantiation to prepare for nextjs app router

app/src/adapter/nextjs/nextjs.adapter.ts

@@ -1,49 +1,35 @@
-import type { IncomingMessage, ServerResponse } from "node:http";
-import { nodeRequestToRequest } from "adapter/utils";
 import type { App } from "bknd";
 import { type FrameworkBkndConfig, createFrameworkApp } from "bknd/adapter";
-import { Api } from "bknd/client";
 
 export type NextjsBkndConfig = FrameworkBkndConfig & {
-   cleanSearch?: string[];
+   cleanRequest?: { searchParams?: string[] };
 };
 
-type GetServerSidePropsContext = {
-   req: IncomingMessage;
-   res: ServerResponse;
-   params?: Params;
-   query: any;
-   preview?: boolean;
-   previewData?: any;
-   draftMode?: boolean;
-   resolvedUrl: string;
-   locale?: string;
-   locales?: string[];
-   defaultLocale?: string;
-};
+let app: App;
+let building: boolean = false;
 
-export function createApi({ req }: GetServerSidePropsContext) {
-   const request = nodeRequestToRequest(req);
-   return new Api({
-      host: new URL(request.url).origin,
-      headers: request.headers
-   });
+export async function getApp(config: NextjsBkndConfig) {
+   if (building) {
+      while (building) {
+         await new Promise((resolve) => setTimeout(resolve, 5));
+      }
+      if (app) return app;
+   }
+
+   building = true;
+   if (!app) {
+      app = await createFrameworkApp(config);
+      await app.build();
+   }
+   building = false;
+   return app;
 }
 
-export function withApi<T>(handler: (ctx: GetServerSidePropsContext & { api: Api }) => T) {
-   return async (ctx: GetServerSidePropsContext & { api: Api }) => {
-      const api = createApi(ctx);
-      await api.verifyAuth();
-      return handler({ ...ctx, api });
-   };
-}
+function getCleanRequest(req: Request, cleanRequest: NextjsBkndConfig["cleanRequest"]) {
+   if (!cleanRequest) return req;
 
-function getCleanRequest(
-   req: Request,
-   { cleanSearch = ["route"] }: Pick<NextjsBkndConfig, "cleanSearch">
-) {
    const url = new URL(req.url);
-   cleanSearch?.forEach((k) => url.searchParams.delete(k));
+   cleanRequest?.searchParams?.forEach((k) => url.searchParams.delete(k));
 
    return new Request(url.toString(), {
       method: req.method,
@@ -52,13 +38,12 @@ function getCleanRequest(
    });
 }
 
-let app: App;
-export function serve({ cleanSearch, ...config }: NextjsBkndConfig = {}) {
+export function serve({ cleanRequest, ...config }: NextjsBkndConfig = {}) {
    return async (req: Request) => {
       if (!app) {
-         app = await createFrameworkApp(config);
+         app = await getApp(config);
       }
-      const request = getCleanRequest(req, { cleanSearch });
-      return app.fetch(request, process.env);
+      const request = getCleanRequest(req, cleanRequest);
+      return app.fetch(request);
    };
 }