Project Initialization

packages/api-common/src/interceptors/response-transform.interceptor.ts

@@ -0,0 +1,22 @@
+import { CallHandler, ExecutionContext, Injectable, NestInterceptor } from '@nestjs/common';
+import { Observable } from 'rxjs';
+import { map } from 'rxjs/operators';
+
+export interface StandardResponse<T> {
+  success: true;
+  data: T;
+  timestamp: string;
+}
+
+@Injectable()
+export class ResponseTransformInterceptor<T> implements NestInterceptor<T, StandardResponse<T>> {
+  intercept(_context: ExecutionContext, next: CallHandler<T>): Observable<StandardResponse<T>> {
+    return next.handle().pipe(
+      map((data) => ({
+        success: true,
+        data,
+        timestamp: new Date().toISOString(),
+      })),
+    );
+  }
+}