feat(di): add attach logger function util to create custom DI container

packages/di/readme.md

@@ -118,19 +118,25 @@ export class CalendarCtrl {
 Finally, we can load the injector and use:
 
 ```typescript
-import {InjectorService} from "@tsed/di";
+import {InjectorService, attachLogger} from "@tsed/di";
+import {$log} from "@tsed/logger";
 import {CalendarCtrl} from "./CalendarCtrl";
 
 async function bootstrap() {
   const injector = new InjectorService();
 
+  // configure the default logger
+  attachLogger(injector, $log);
+
   // Load all providers registered via @Injectable decorator
   await injector.load();
 
   const calendarController = injector.get<CalendarCtrl>();
-
   await calendarController.create(new Calendar());
 
+  // emit event to trigger actions for third parties modules
+  await injector.emit("$onReady");
+
   // And finally destroy injector and his instances (see injector hooks)
   await injector.destroy();
 }

packages/di/src/index.ts

@@ -53,6 +53,7 @@ export * from "./services/DILogger";
 export * from "./services/DITest";
 export * from "./services/InjectorService";
 export * from "./utils/asyncHookContext";
+export * from "./utils/attachLogger";
 export * from "./utils/colors";
 export * from "./utils/createContainer";
 export * from "./utils/getConfiguration";

packages/di/src/utils/attachLogger.spec.ts

@@ -0,0 +1,14 @@
+import {Logger} from "@tsed/logger";
+import {InjectorService} from "../services/InjectorService";
+import {attachLogger} from "./attachLogger";
+
+describe("attachLogger", () => {
+  it("should attach logger", () => {
+    const injector = new InjectorService();
+    const $log = new Logger("test");
+
+    attachLogger(injector, $log);
+
+    expect(injector.logger).toEqual($log);
+  });
+});

packages/di/src/utils/attachLogger.ts

@@ -0,0 +1,8 @@
+import type {Logger} from "@tsed/logger";
+import {InjectorService} from "../services/InjectorService";
+import {setLoggerConfiguration} from "./setLoggerConfiguration";
+
+export function attachLogger(injector: InjectorService, $log: Logger) {
+  injector.logger = $log;
+  setLoggerConfiguration(injector);
+}