feat: add custom Continer provider

Author: NoNameProvided

src/container-provider.class.ts

@@ -0,0 +1,19 @@
+import { ContainedType, ContainerInterface,  } from 'typeorm';
+import { Container, Constructable } from 'typedi';
+
+/**
+ * Class transforming between TypeDI API and the expected API by TypeORM.
+ */
+export class TypeDIContainerProvider implements ContainerInterface {
+  get<T>(constructable: ContainedType<T>) {
+    /** 
+     * TypeDI only resolves values for registered types, so we need to register
+     * them before to requesting them from the default container.
+     */
+    if (!Container.has(constructable as Constructable<T>)) {
+      Container.set({ id: constructable, type: constructable as Constructable<T> });
+    }
+
+    return Container.get(constructable as Constructable<T>);
+  }
+}

src/index.ts

@@ -1,12 +1,19 @@
-import { Container } from 'typedi';
+import { Container as TypeDIContainer } from 'typedi';
 import { ConnectionManager } from 'typeorm';
+import { TypeDIContainerProvider } from './container-provider.class';
+
+export * from './decorators/inject-connection.decorator';
+export * from './decorators/inject-manager.decorator';
+export * from './decorators/inject-repository.decorator';
 
 /**
  * We need to set imported TypeORM classes before requesting them, otherwise we
- * would receive a "ServiceNotFoundError" above TypeDI 0.9.1.
+ * would receive a "ServiceNotFoundError" above TypeDI 0.9.1 from the decorators.
  */
-Container.set({ id: ConnectionManager, type: ConnectionManager });
+TypeDIContainer.set({ id: ConnectionManager, type: ConnectionManager });
 
-export * from './decorators/inject-connection.decorator';
-export * from './decorators/inject-manager.decorator';
-export * from './decorators/inject-repository.decorator';
+/**
+ * We export the current container implementation what transforms function
+ * calls between the TypeORM container format and TypeDI.
+ */
+export const Container = new TypeDIContainerProvider();