diff --git a/.editorconfig b/.editorconfig
index d7da7e3e4c1..bceff546b32 100644
--- a/.editorconfig
+++ b/.editorconfig
@@ -384,7 +384,7 @@ ij_typescript_align_multiline_binary_operation = false
 ij_typescript_align_multiline_chained_methods = false
 ij_typescript_align_multiline_extends_list = false
 ij_typescript_align_multiline_for = true
-ij_typescript_align_multiline_parameters = true
+ij_typescript_align_multiline_parameters = false
 ij_typescript_align_multiline_parameters_in_calls = false
 ij_typescript_align_multiline_ternary_operation = false
 ij_typescript_align_object_properties = 0
diff --git a/frontend/src/app/features/bim/ifc_models/ifc-viewer/ifc-viewer.component.ts b/frontend/src/app/features/bim/ifc_models/ifc-viewer/ifc-viewer.component.ts
index 48d5ce3e269..132cf8afe0d 100644
--- a/frontend/src/app/features/bim/ifc_models/ifc-viewer/ifc-viewer.component.ts
+++ b/frontend/src/app/features/bim/ifc_models/ifc-viewer/ifc-viewer.component.ts
@@ -42,7 +42,7 @@ import { I18nService } from 'core-app/core/i18n/i18n.service';
 import { CurrentUserService } from 'core-app/core/current-user/current-user.service';
 import { CurrentProjectService } from 'core-app/core/current-project/current-project.service';
 import { BehaviorSubject, combineLatest, Subject } from 'rxjs';
-import { take } from "rxjs/operators";
+import { take } from 'rxjs/operators';
 
 @Component({
   selector: 'op-ifc-viewer',
@@ -80,11 +80,11 @@ export class IFCViewerComponent implements OnInit, OnDestroy, AfterViewInit {
   @ViewChild('inspectorPane') inspectorElement:ElementRef;
 
   constructor(private I18n:I18nService,
-              private elementRef:ElementRef,
-              public ifcData:IfcModelsDataService,
-              private ifcViewerService:IFCViewerService,
-              private currentUserService:CurrentUserService,
-              private currentProjectService:CurrentProjectService) {
+    private elementRef:ElementRef,
+    public ifcData:IfcModelsDataService,
+    private ifcViewerService:IFCViewerService,
+    private currentUserService:CurrentUserService,
+    private currentProjectService:CurrentProjectService) {
   }
 
   ngOnInit():void {
@@ -132,7 +132,7 @@ export class IFCViewerComponent implements OnInit, OnDestroy, AfterViewInit {
     this.ifcViewerService.destroy();
   }
 
-  toggleInspector() {
+  toggleInspector():void {
     this.ifcViewerService.inspectorVisible$.next(!this.inspectorVisible$.getValue());
   }
 
@@ -141,6 +141,7 @@ export class IFCViewerComponent implements OnInit, OnDestroy, AfterViewInit {
   @HostListener('keydown', ['$event'])
   @HostListener('keyup', ['$event'])
   @HostListener('keypress', ['$event'])
+  // eslint-disable-next-line class-methods-use-this
   cancelAllKeyEvents($event:KeyboardEvent):void {
     $event.stopPropagation();
   }
@@ -155,7 +156,7 @@ export class IFCViewerComponent implements OnInit, OnDestroy, AfterViewInit {
 
   @HostListener('window:mousedown', ['$event.target'])
   disableKeyboard(target:Element):void {
-    if (this.modelCount && !this.outerContainer.nativeElement?.contains(target)) {
+    if (this.modelCount && !(this.outerContainer.nativeElement as HTMLElement).contains(target)) {
       this.keyboardEnabled = false;
       this.ifcViewerService.setKeyboardEnabled(false);
     }
@@ -165,7 +166,7 @@ export class IFCViewerComponent implements OnInit, OnDestroy, AfterViewInit {
     this.enableKeyBoard();
 
     // Focus on the canvas
-    this.modelCanvas.nativeElement.focus();
+    (this.modelCanvas.nativeElement as HTMLElement).focus();
 
     // Ensure we don't bubble this event to the window:mousedown handler
     // as the target will already be removed from the DOM by angular
diff --git a/frontend/src/app/features/bim/ifc_models/ifc-viewer/ifc-viewer.service.ts b/frontend/src/app/features/bim/ifc_models/ifc-viewer/ifc-viewer.service.ts
index 8d430ad3a45..b271d504072 100644
--- a/frontend/src/app/features/bim/ifc_models/ifc-viewer/ifc-viewer.service.ts
+++ b/frontend/src/app/features/bim/ifc_models/ifc-viewer/ifc-viewer.service.ts
@@ -1,3 +1,31 @@
+// -- copyright
+// OpenProject is an open source project management software.
+// Copyright (C) 2012-2021 the OpenProject GmbH
+//
+// This program is free software; you can redistribute it and/or
+// modify it under the terms of the GNU General Public License version 3.
+//
+// OpenProject is a fork of ChiliProject, which is a fork of Redmine. The copyright follows:
+// Copyright (C) 2006-2013 Jean-Philippe Lang
+// Copyright (C) 2010-2013 the ChiliProject Team
+//
+// This program is free software; you can redistribute it and/or
+// modify it under the terms of the GNU General Public License
+// as published by the Free Software Foundation; either version 2
+// of the License, or (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program; if not, write to the Free Software
+// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+//
+// See COPYRIGHT and LICENSE files for more details.
+//++
+
 import { Injectable, Injector } from '@angular/core';
 import { XeokitServer } from 'core-app/features/bim/ifc_models/xeokit/xeokit-server';
 import { BcfViewpointInterface } from 'core-app/features/bim/bcf/api/viewpoints/bcf-viewpoint.interface';
@@ -10,6 +38,7 @@ import { InjectField } from 'core-app/shared/helpers/angular/inject-field.decora
 import { ViewpointsService } from 'core-app/features/bim/bcf/helper/viewpoints.service';
 import { CurrentProjectService } from 'core-app/core/current-project/current-project.service';
 import { HttpClient } from '@angular/common/http';
+import idFromLink from 'core-app/features/hal/helpers/id-from-link';
 
 export interface XeokitElements {
   canvasElement:HTMLElement;
@@ -71,7 +100,7 @@ export class IFCViewerService extends ViewerBridgeService {
   }
 
   public newViewer(elements:XeokitElements, projects:any[]):void {
-    import('@xeokit/xeokit-bim-viewer/dist/xeokit-bim-viewer.es').then((XeokitViewerModule:any) => {
+    void import('@xeokit/xeokit-bim-viewer/dist/xeokit-bim-viewer.es').then((XeokitViewerModule:any) => {
       const server = new XeokitServer(this.pathHelper);
       const viewerUI = new XeokitViewerModule.BIMViewer(server, elements);
 
@@ -174,7 +203,7 @@ export class IFCViewerService extends ViewerBridgeService {
       // and redirect to a route with a place to show viewer
       // ('bim.partitioned.split')
       window.location.href = this.pathHelper.bimDetailsPath(
-        workPackage.project.idFromLink,
+        idFromLink(workPackage.project.href),
         workPackage.id!,
         index,
       );
diff --git a/frontend/src/app/features/bim/revit_add_in/revit-bridge.service.ts b/frontend/src/app/features/bim/revit_add_in/revit-bridge.service.ts
index ef19dd47998..42a50d04dee 100644
--- a/frontend/src/app/features/bim/revit_add_in/revit-bridge.service.ts
+++ b/frontend/src/app/features/bim/revit_add_in/revit-bridge.service.ts
@@ -1,6 +1,36 @@
+// -- copyright
+// OpenProject is an open source project management software.
+// Copyright (C) 2012-2021 the OpenProject GmbH
+//
+// This program is free software; you can redistribute it and/or
+// modify it under the terms of the GNU General Public License version 3.
+//
+// OpenProject is a fork of ChiliProject, which is a fork of Redmine. The copyright follows:
+// Copyright (C) 2006-2013 Jean-Philippe Lang
+// Copyright (C) 2010-2013 the ChiliProject Team
+//
+// This program is free software; you can redistribute it and/or
+// modify it under the terms of the GNU General Public License
+// as published by the Free Software Foundation; either version 2
+// of the License, or (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program; if not, write to the Free Software
+// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+//
+// See COPYRIGHT and LICENSE files for more details.
+//++
+
 import { Injectable, Injector } from '@angular/core';
-import { Observable, Subject, BehaviorSubject } from "rxjs";
-import { distinctUntilChanged, filter, first, map } from 'rxjs/operators';
+import { BehaviorSubject, Observable, Subject } from 'rxjs';
+import {
+  distinctUntilChanged, filter, first, map,
+} from 'rxjs/operators';
 import { BcfViewpointInterface } from 'core-app/features/bim/bcf/api/viewpoints/bcf-viewpoint.interface';
 import { ViewerBridgeService } from 'core-app/features/bim/bcf/bcf-viewer-bridge/viewer-bridge.service';
 import { WorkPackageResource } from 'core-app/features/hal/resources/work-package-resource';
@@ -16,12 +46,20 @@ declare global {
   }
 }
 
+type RevitBridgeMessage = {
+  messageType:string,
+  trackingId:string,
+  messagePayload:BcfViewpointInterface
+};
+
 @Injectable()
 export class RevitBridgeService extends ViewerBridgeService {
   public shouldShowViewer = false;
+
   public viewerVisible$ = new BehaviorSubject<boolean>(false);
-  private revitMessageReceivedSource =
-    new Subject<{ messageType:string, trackingId:string, messagePayload:BcfViewpointInterface }>();
+
+  private revitMessageReceivedSource = new Subject<RevitBridgeMessage>();
+
   private trackingIdNumber = 0;
 
   @InjectField() viewpointsService:ViewpointsService;
@@ -52,7 +90,7 @@ export class RevitBridgeService extends ViewerBridgeService {
     return this.revitMessageReceived$
       .pipe(
         distinctUntilChanged(),
-        filter(message => message.messageType === 'ViewpointData' && message.trackingId === trackingId),
+        filter((message) => message.messageType === 'ViewpointData' && message.trackingId === trackingId),
         first(),
         map((message) => {
           // FIXME: Deprecated code
@@ -60,8 +98,8 @@ export class RevitBridgeService extends ViewerBridgeService {
           // newer versions the message payload is sent correctly and needs no special treatment
           const viewpointJson = message.messagePayload;
 
-          if (viewpointJson.snapshot.hasOwnProperty('snapshot_type') &&
-            viewpointJson.snapshot.hasOwnProperty('snapshot_data')) {
+          if (viewpointJson.snapshot.hasOwnProperty('snapshot_type') // eslint-disable-line no-prototype-builtins
+            && viewpointJson.snapshot.hasOwnProperty('snapshot_data')) { // eslint-disable-line no-prototype-builtins
             // already correctly formatted payload
             return viewpointJson;
           }
@@ -80,13 +118,9 @@ export class RevitBridgeService extends ViewerBridgeService {
   public showViewpoint(workPackage:WorkPackageResource, index:number):void {
     this.viewpointsService
       .getViewPoint$(workPackage, index)
-      .subscribe((viewpoint:BcfViewpointInterface) =>
-        this.sendMessageToRevit(
-          'ShowViewpoint',
-          this.newTrackingId(),
-          JSON.stringify(viewpoint),
-        ),
-      );
+      .subscribe((viewpoint:BcfViewpointInterface) => this.sendMessageToRevit(
+        'ShowViewpoint', this.newTrackingId(), JSON.stringify(viewpoint),
+      ));
   }
 
   sendMessageToRevit(messageType:string, trackingId:string, messagePayload:string):void {
@@ -99,22 +133,23 @@ export class RevitBridgeService extends ViewerBridgeService {
 
   private hookUpRevitListener() {
     window.RevitBridge.sendMessageToOpenProject = (messageString:string) => {
-      const message = JSON.parse(messageString);
-      const messageType = message.messageType;
-      const trackingId = message.trackingId;
-      const messagePayload = JSON.parse(message.messagePayload);
+      const { messageType, trackingId, messagePayload } = JSON.parse(messageString) as {
+        messageType:string,
+        trackingId:string,
+        messagePayload:string
+      };
 
       this.revitMessageReceivedSource.next({
-        messageType: messageType,
-        trackingId: trackingId,
-        messagePayload: messagePayload,
+        messageType,
+        trackingId,
+        messagePayload: JSON.parse(messagePayload) as BcfViewpointInterface,
       });
     };
     this.viewerVisible$.next(true);
   }
 
   newTrackingId():string {
-    this.trackingIdNumber = this.trackingIdNumber + 1;
+    this.trackingIdNumber += 1;
     return String(this.trackingIdNumber);
   }
 }