From 90fdcfb403342871f8a448274af7088dc41f40e7 Mon Sep 17 00:00:00 2001
From: Vincenzo Scamporlino <vincenzos@spotify.com>
Date: Thu, 10 Aug 2023 23:58:44 +0200
Subject: [PATCH] backend-app-api: add methods accepts a backend feature
 factory

Signed-off-by: Vincenzo Scamporlino <vincenzos@spotify.com>
---
 packages/backend-app-api/src/wiring/BackstageBackend.ts | 4 ++--
 packages/backend-app-api/src/wiring/types.ts            | 2 +-
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/packages/backend-app-api/src/wiring/BackstageBackend.ts b/packages/backend-app-api/src/wiring/BackstageBackend.ts
index c53f47b685..beeefc1b1b 100644
--- a/packages/backend-app-api/src/wiring/BackstageBackend.ts
+++ b/packages/backend-app-api/src/wiring/BackstageBackend.ts
@@ -28,8 +28,8 @@ export class BackstageBackend implements Backend {
     this.#initializer = new BackendInitializer(this.#services);
   }
 
-  add(feature: BackendFeature): void {
-    this.#initializer.add(feature);
+  add(feature: BackendFeature | (() => BackendFeature)): void {
+    this.#initializer.add(typeof feature === 'function' ? feature() : feature);
   }
 
   async start(): Promise<void> {
diff --git a/packages/backend-app-api/src/wiring/types.ts b/packages/backend-app-api/src/wiring/types.ts
index e2cc299541..0a43caae59 100644
--- a/packages/backend-app-api/src/wiring/types.ts
+++ b/packages/backend-app-api/src/wiring/types.ts
@@ -26,7 +26,7 @@ import {
  * @public
  */
 export interface Backend {
-  add(feature: BackendFeature): void;
+  add(feature: BackendFeature | (() => BackendFeature)): void;
   start(): Promise<void>;
   stop(): Promise<void>;
 }