From 1654d7288559b453f4eb2580e3fb83937c67b7df Mon Sep 17 00:00:00 2001
From: Musaab Elfaqih <musaabe@spotify.com>
Date: Fri, 25 Apr 2025 14:52:51 +0200
Subject: [PATCH] Simplify types

Signed-off-by: Musaab Elfaqih <musaabe@spotify.com>
---
 .changeset/polite-shoes-allow.md                           | 2 +-
 packages/frontend-app-api/report.api.md                    | 7 +------
 .../frontend-app-api/src/wiring/createSpecializedApp.tsx   | 4 ++--
 packages/frontend-app-api/src/wiring/types.ts              | 5 -----
 4 files changed, 4 insertions(+), 14 deletions(-)

diff --git a/.changeset/polite-shoes-allow.md b/.changeset/polite-shoes-allow.md
index d3c5e34d7a..b7e06bce6f 100644
--- a/.changeset/polite-shoes-allow.md
+++ b/.changeset/polite-shoes-allow.md
@@ -2,4 +2,4 @@
 '@backstage/frontend-app-api': patch
 ---
 
-Added the ability to ignore unknown extension config.
+Added the ability to ignore unknown extension config by passing `{ flags: { allowUnknownExtensionConfig: true } }` to `createSpecializedApp`.
diff --git a/packages/frontend-app-api/report.api.md b/packages/frontend-app-api/report.api.md
index 661da88210..91a33d277d 100644
--- a/packages/frontend-app-api/report.api.md
+++ b/packages/frontend-app-api/report.api.md
@@ -34,7 +34,7 @@ export function createSpecializedApp(options?: {
   extensionFactoryMiddleware?:
     | ExtensionFactoryMiddleware
     | ExtensionFactoryMiddleware[];
-  flags?: SpecializedAppFlags;
+  flags?: Record<string, boolean>;
 }): {
   apis: ApiHolder;
   tree: AppTree;
@@ -42,9 +42,4 @@ export function createSpecializedApp(options?: {
 
 // @public @deprecated (undocumented)
 export type FrontendFeature = FrontendFeature_2;
-
-// @public (undocumented)
-export type SpecializedAppFlags = {
-  allowUnknownExtensionConfig?: boolean;
-};
 ```
diff --git a/packages/frontend-app-api/src/wiring/createSpecializedApp.tsx b/packages/frontend-app-api/src/wiring/createSpecializedApp.tsx
index e1b7f56227..3d356e2a74 100644
--- a/packages/frontend-app-api/src/wiring/createSpecializedApp.tsx
+++ b/packages/frontend-app-api/src/wiring/createSpecializedApp.tsx
@@ -74,7 +74,7 @@ import { ApiRegistry } from '../../../core-app-api/src/apis/system/ApiRegistry';
 // eslint-disable-next-line @backstage/no-relative-monorepo-imports
 import { AppIdentityProxy } from '../../../core-app-api/src/apis/implementations/IdentityApi/AppIdentityProxy';
 import { BackstageRouteObject } from '../routing/types';
-import { FrontendFeature, RouteInfo, SpecializedAppFlags } from './types';
+import { FrontendFeature, RouteInfo } from './types';
 import { matchRoutes } from 'react-router-dom';
 
 function deduplicateFeatures(
@@ -208,7 +208,7 @@ export function createSpecializedApp(options?: {
   extensionFactoryMiddleware?:
     | ExtensionFactoryMiddleware
     | ExtensionFactoryMiddleware[];
-  flags?: SpecializedAppFlags;
+  flags?: Record<string, boolean>;
 }): { apis: ApiHolder; tree: AppTree } {
   const config = options?.config ?? new ConfigReader({}, 'empty-config');
   const features = deduplicateFeatures(options?.features ?? []);
diff --git a/packages/frontend-app-api/src/wiring/types.ts b/packages/frontend-app-api/src/wiring/types.ts
index d7af7bd528..2bf08f327f 100644
--- a/packages/frontend-app-api/src/wiring/types.ts
+++ b/packages/frontend-app-api/src/wiring/types.ts
@@ -28,8 +28,3 @@ export type RouteInfo = {
   routeParents: Map<RouteRef, RouteRef | undefined>;
   routeObjects: BackstageRouteObject[];
 };
-
-/** @public */
-export type SpecializedAppFlags = {
-  allowUnknownExtensionConfig?: boolean;
-};