Refactor event bus and queue system; detect cycles in DI realization and make

src/service/Queueables.ts

@@ -1,25 +1,15 @@
 import {CanonicalStatic} from './CanonicalStatic'
-import {Singleton, Instantiable, StaticClass} from '../di'
-import {CanonicalDefinition} from './Canonical'
-import {Queueable} from '../support/queue/Queue'
+import {Singleton, Instantiable} from '../di'
+import {Queueable} from '../support/bus'
 
 /**
- * A canonical unit that resolves Queueable classes from `app/queueables`.
+ * A canonical unit that resolves Queueable classes from `app/jobs`.
  */
 @Singleton()
-export class Queueables extends CanonicalStatic<Queueable, Instantiable<Queueable>> {
+export class Queueables extends CanonicalStatic<Queueables, Instantiable<Queueable>> {
     protected appPath = ['jobs']
 
     protected canonicalItem = 'job'
 
     protected suffix = '.job.js'
-
-    public async initCanonicalItem(definition: CanonicalDefinition): Promise<StaticClass<Queueable, Instantiable<Queueable>>> {
-        const item = await super.initCanonicalItem(definition)
-        if ( !(item.prototype instanceof Queueable) ) {
-            throw new TypeError(`Invalid middleware definition: ${definition.originalName}. Controllers must extend from @extollo/lib.Queueable.`)
-        }
-
-        return item
-    }
 }