Support named route groups; canonical namespaces

src/http/routing/RouteGroup.ts

@@ -1,16 +1,39 @@
-import {Collection} from "@extollo/util"
+import {Collection, ErrorWithContext} from "@extollo/util"
 import {AppClass} from "../../lifecycle/AppClass"
 import {RouteHandler} from "./Route"
+import {Container} from "@extollo/di"
+import {Logging} from "../../service/Logging";
 
 export class RouteGroup extends AppClass {
     private static currentGroupNesting: RouteGroup[] = []
 
+    protected static namedGroups: {[key: string]: () => void } = {}
+
     protected middlewares: Collection<{ stage: 'pre' | 'post', handler: RouteHandler }> = new Collection<{stage: "pre" | "post"; handler: RouteHandler}>()
 
     public static getCurrentGroupHierarchy(): RouteGroup[] {
         return [...this.currentGroupNesting]
     }
 
+    public static named(name: string, define: () => void) {
+        if ( this.namedGroups[name] ) {
+            Container.getContainer()
+                .make<Logging>(Logging)
+                .warn(`Replacing named route group: ${name}`)
+        }
+
+        this.namedGroups[name] = define
+    }
+
+    public static include(name: string) {
+        if (!this.namedGroups[name]) {
+            throw new ErrorWithContext(`No route group exists with name: ${name}`, {name})
+        }
+
+        this.namedGroups[name]()
+    }
+
+
     constructor(
         public readonly group: () => void | Promise<void>,
         public readonly prefix: string