From cf6e51f7e0f331da33f4c4e66297f0e3f4b0dfa1 Mon Sep 17 00:00:00 2001
From: Laurin Quast <laurinquast@googlemail.com>
Date: Wed, 23 Oct 2024 11:29:11 +0200
Subject: [PATCH] feat: allow providing abstract type (#2503)

* feat: allow providing abstract type

* feat: allow abstract type in Injector.get

* add changeset
---
 .changeset/perfect-lamps-cheat.md            | 5 +++++
 packages/graphql-modules/src/di/injector.ts  | 7 +++++--
 packages/graphql-modules/src/di/providers.ts | 2 +-
 3 files changed, 11 insertions(+), 3 deletions(-)
 create mode 100644 .changeset/perfect-lamps-cheat.md

diff --git a/.changeset/perfect-lamps-cheat.md b/.changeset/perfect-lamps-cheat.md
new file mode 100644
index 0000000000..bc47a0aeca
--- /dev/null
+++ b/.changeset/perfect-lamps-cheat.md
@@ -0,0 +1,5 @@
+---
+'graphql-modules': minor
+---
+
+Support passing an abstract class to `Injector.get` call and `Provider` value.
diff --git a/packages/graphql-modules/src/di/injector.ts b/packages/graphql-modules/src/di/injector.ts
index 5d964cc5e8..df36e446f0 100644
--- a/packages/graphql-modules/src/di/injector.ts
+++ b/packages/graphql-modules/src/di/injector.ts
@@ -1,4 +1,4 @@
-import { Type, InjectionToken, Provider } from './providers';
+import { Type, InjectionToken, Provider, AbstractType } from './providers';
 import {
   ResolvedProvider,
   resolveProviders,
@@ -27,7 +27,10 @@ type ExecutionContextGetter = () => ExecutionContext | never;
 // We use ReflectiveInjector everywhere
 // but we don't want to leak its API to everyone
 export abstract class Injector {
-  abstract get<T>(token: Type<T> | InjectionToken<T>, notFoundValue?: any): T;
+  abstract get<T>(
+    token: Type<T> | InjectionToken<T> | AbstractType<T>,
+    notFoundValue?: any
+  ): T;
 }
 
 export class ReflectiveInjector implements Injector {
diff --git a/packages/graphql-modules/src/di/providers.ts b/packages/graphql-modules/src/di/providers.ts
index 7ef34ab0d7..6d7f93f01a 100644
--- a/packages/graphql-modules/src/di/providers.ts
+++ b/packages/graphql-modules/src/di/providers.ts
@@ -43,7 +43,7 @@ export interface FactoryProvider<T> extends BaseProvider<T> {
 }
 
 export interface BaseProvider<T> extends ProviderOptions {
-  provide: Type<T> | InjectionToken<T>;
+  provide: Type<T> | InjectionToken<T> | AbstractType<T>;
 }
 
 export interface TypeProvider<T> extends Type<T> {}