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

src/support/PackageDiscovered.ts

@@ -1,6 +1,6 @@
-import {Event} from '../event/Event'
-import {Awaitable, JSONState, UniversalPath} from '../util'
+import {Awaitable, UniversalPath} from '../util'
 import {ExtolloAwareNodeModule} from './types'
+import {BaseEvent} from './bus'
 
 /**
  * An event indicating that an NPM package has been discovered
@@ -9,7 +9,7 @@ import {ExtolloAwareNodeModule} from './types'
  * Application services can listen for this event to register
  * various discovery logic (e.g. automatically boot units
  */
-export class PackageDiscovered extends Event {
+export class PackageDiscovered extends BaseEvent {
     constructor(
         public packageConfig: ExtolloAwareNodeModule,
         public packageJson: UniversalPath,
@@ -17,17 +17,9 @@ export class PackageDiscovered extends Event {
         super()
     }
 
-    dehydrate(): Awaitable<JSONState> {
-        return {
-            packageConfig: this.packageConfig as JSONState,
-            packageJson: this.packageJson.toString(),
-        }
-    }
+    eventName = '@extollo/lib.PackageDiscovered'
 
-    rehydrate(state: JSONState): Awaitable<void> {
-        if ( typeof state === 'object' ) {
-            this.packageConfig = (state.packageConfig as ExtolloAwareNodeModule)
-            this.packageJson = new UniversalPath(String(state.packageJson))
-        }
+    shouldBroadcast(): Awaitable<boolean> {
+        return false
     }
 }