Add logic for resolving route handlers

src/service/Controllers.ts

@@ -1,17 +1,17 @@
-import {CanonicalInstantiable} from "./CanonicalInstantiable";
-import {Singleton} from "@extollo/di";
+import {CanonicalStatic} from "./CanonicalStatic";
+import {Singleton, Instantiable} from "@extollo/di";
 import {Controller} from "../http/Controller";
 import {CanonicalDefinition} from "./Canonical";
 
 @Singleton()
-export class Controllers extends CanonicalInstantiable<Controller> {
+export class Controllers extends CanonicalStatic<Instantiable<Controller>, Controller> {
     protected appPath = ['http', 'controllers']
     protected canonicalItem = 'controller'
     protected suffix = '.controller.js'
 
     public async initCanonicalItem(definition: CanonicalDefinition) {
         const item = await super.initCanonicalItem(definition)
-        if ( !(item instanceof Controller) ) {
+        if ( !(item.prototype instanceof Controller) ) {
             throw new TypeError(`Invalid controller definition: ${definition.originalName}. Controllers must extend from @extollo/lib.http.Controller.`)
         }