[ACA-3394] Generally available file preview feature for extensions (#1496)

* Adding general purpose preview overlay route

Preparation for file preview feature

Remove unnecessary preview root route and ability to use loadChildren

Extract RouterExtensionService

Remove loadChildren support and use component instead

Cover RouterExtensionService with unit tests

Fix tests

Fix build

Fix rebase issue

Add generally available PluginPreviewAction

Add data option to child routes and navigateBackAsClose option for the preview component

Support plain mode preview

Fix linting

Update to latest alpha of ADF

* Adding documentation

* Rebase fix

* Update to latest adf

projects/aca-shared/src/lib/services/app.extension.service.spec.ts

@@ -37,7 +37,6 @@ import {
   reduceEmptyMenus,
   ExtensionService,
   ExtensionConfig,
-  ComponentRegisterService,
   NavBarGroupRef
 } from '@alfresco/adf-extensions';
 import { AppConfigService } from '@alfresco/adf-core';
@@ -46,7 +45,6 @@ describe('AppExtensionService', () => {
   let service: AppExtensionService;
   let store: Store<AppStore>;
   let extensions: ExtensionService;
-  let components: ComponentRegisterService;
   let appConfigService: AppConfigService;
 
   beforeEach(() => {
@@ -58,7 +56,6 @@ describe('AppExtensionService', () => {
     store = TestBed.inject(Store);
     service = TestBed.inject(AppExtensionService);
     extensions = TestBed.inject(ExtensionService);
-    components = TestBed.inject(ComponentRegisterService);
   });
 
   const applyConfig = (config: ExtensionConfig) => {
@@ -227,97 +224,6 @@ describe('AppExtensionService', () => {
     });
   });
 
-  describe('components', () => {
-    let component1;
-
-    beforeEach(() => {
-      component1 = {};
-
-      components.setComponents({
-        'component-1': component1
-      });
-    });
-
-    it('should fetch registered component', () => {
-      const component = service.getComponentById('component-1');
-      expect(component).toEqual(component1);
-    });
-
-    it('should not fetch registered component', () => {
-      const component = service.getComponentById('missing');
-      expect(component).toBeFalsy();
-    });
-  });
-
-  describe('routes', () => {
-    let component1, component2;
-    let guard1;
-
-    beforeEach(() => {
-      applyConfig({
-        $id: 'test',
-        $name: 'test',
-        $version: '1.0.0',
-        $license: 'MIT',
-        $vendor: 'Good company',
-        $runtime: '1.5.0',
-        routes: [
-          {
-            id: 'aca:routes/about',
-            path: 'ext/about',
-            component: 'aca:components/about',
-            layout: 'aca:layouts/main',
-            auth: ['aca:auth'],
-            data: {
-              title: 'Custom About'
-            }
-          }
-        ]
-      });
-
-      component1 = {};
-      component2 = {};
-
-      components.setComponents({
-        'aca:components/about': component1,
-        'aca:layouts/main': component2
-      });
-
-      guard1 = {};
-      extensions.authGuards['aca:auth'] = guard1;
-    });
-
-    it('should load routes from the config', () => {
-      expect(extensions.routes.length).toBe(1);
-    });
-
-    it('should find a route by id', () => {
-      const route = extensions.getRouteById('aca:routes/about');
-      expect(route).toBeTruthy();
-      expect(route.path).toBe('ext/about');
-    });
-
-    it('should not find a route by id', () => {
-      const route = extensions.getRouteById('some-route');
-      expect(route).toBeFalsy();
-    });
-
-    it('should build application routes', () => {
-      const routes = service.getApplicationRoutes();
-
-      expect(routes.length).toBe(1);
-
-      const route = routes[0];
-      expect(route.path).toBe('ext/about');
-      expect(route.component).toEqual(component2);
-      expect(route.canActivateChild).toEqual([guard1]);
-      expect(route.canActivate).toEqual([guard1]);
-      expect(route.children.length).toBe(1);
-      expect(route.children[0].path).toBe('');
-      expect(route.children[0].component).toEqual(component1);
-    });
-  });
-
   describe('content actions', () => {
     it('should load content actions from the config', () => {
       applyConfig({