Made the app compile again.

src/Squidex/app/features/content/pages/content/content-field.component.ts

@@ -41,7 +41,8 @@ export class ContentFieldComponent implements OnInit {
     }
 
     public ngOnInit() {
-        this.masterLanguageCode = this.languages.find(l => l.isMaster).iso2Code;
+        this.masterLanguageCode = this.languages.find(l => l.isMaster)!.iso2Code;
+
         if (this.field.isDisabled) {
             this.fieldForm.disable();
         }

src/Squidex/app/features/content/pages/content/content-page.component.ts

@@ -47,7 +47,7 @@ export class ContentPageComponent implements CanComponentDeactivate, OnDestroy,
     public schema: SchemaDetailsDto;
 
     public content: ContentDto;
-    public contentOld: ContentDto;
+    public contentOld: ContentDto | null;
     public contentFormSubmitted = false;
     public contentForm: FormGroup;
 
@@ -122,12 +122,14 @@ export class ContentPageComponent implements CanComponentDeactivate, OnDestroy,
     }
 
     public showLatest() {
+        if (this.contentOld) {
             this.content = this.contentOld;
             this.contentOld = null;
 
             this.emitContentUpdated(this.content);
             this.populateContentForm();
         }
+    }
 
     public saveAndPublish() {
         this.saveContent(true);

src/Squidex/app/features/content/pages/contents/contents-page.component.ts

@@ -170,7 +170,7 @@ export class ContentsPageComponent implements OnDestroy, OnInit {
     }
 
     public load(showInfo = false) {
-        this.contentsService.getContents(this.ctx.appName, this.schema.name, this.contentsPager.pageSize, this.contentsPager.skip, this.contentsQuery, null, this.isArchive)
+        this.contentsService.getContents(this.ctx.appName, this.schema.name, this.contentsPager.pageSize, this.contentsPager.skip, this.contentsQuery, undefined, this.isArchive)
             .subscribe(dtos => {
                 this.contentItems = ImmutableArray.of(dtos.items);
                 this.contentsPager = this.contentsPager.setCount(dtos.total);

src/Squidex/app/features/content/shared/assets-editor.component.ts

@@ -70,7 +70,7 @@ export class AssetsEditorComponent implements ControlValueAccessor, OnDestroy, O
 
             this.assetsService.getAssets(this.ctx.appName, 10000, 0, undefined, undefined, value)
                 .subscribe(dtos => {
-                    this.oldAssets = ImmutableArray.of(assetIds.map(id => dtos.items.find(x => x.id === id)));
+                    this.oldAssets = ImmutableArray.of(assetIds.map(id => dtos.items.find(x => x.id === id)).filter(a => !!a).map(a => a!));
                 });
         }
     }

src/Squidex/app/features/content/shared/references-editor.component.ts

@@ -84,7 +84,7 @@ export class ReferencesEditorComponent implements ControlValueAccessor, OnInit {
 
             this.contentsService.getContents(this.ctx.appName, this.schemaId, 10000, 0, undefined, contentIds)
                 .subscribe(dtos => {
-                    this.contentItems = ImmutableArray.of(contentIds.map(id => dtos.items.find(c => c.id === id)).filter(c => !!c));
+                    this.contentItems = ImmutableArray.of(contentIds.map(id => dtos.items.find(c => c.id === id)).filter(r => !!r).map(r => r!));
                 });
         }
     }

src/Squidex/app/features/dashboard/pages/dashboard-page.component.ts

@@ -9,6 +9,7 @@ import { Component, OnInit } from '@angular/core';
 
 import {
     AppContext,
+    AppDto,
     DateTime,
     fadeAnimation,
     UsagesService
@@ -35,7 +36,7 @@ export class DashboardPageComponent implements OnInit {
     public chartCallsCount: any;
     public chartCallsPerformance: any;
 
-    public app = this.ctx.appChanges.filter(x => !!x);
+    public app = this.ctx.appChanges.filter(x => !!x).map(x => <AppDto>x);
 
     public chartOptions = {
         responsive: true,

src/Squidex/app/features/rules/pages/rules/rules-page.component.ts

@@ -42,7 +42,7 @@ export class RulesPageComponent implements OnInit {
     public schemas: SchemaDto[];
 
     public wizardMode = 'Wizard';
-    public wizardRule: RuleDto;
+    public wizardRule: RuleDto | null;
 
     constructor(public readonly ctx: AppContext,
         private readonly schemasService: SchemasService,

src/Squidex/app/features/schemas/pages/schema/types/string-validation.component.ts

@@ -99,7 +99,7 @@ export class StringValidationComponent implements OnDestroy, OnInit {
         } else if (this.editForm.controls['pattern'].value && this.editForm.controls['pattern'].value.trim() !== '') {
             this.patternName = 'Advanced';
         } else {
-            this.patternName = undefined;
+            this.patternName = '';
         }
     }
 }

src/Squidex/app/framework/angular/http-extensions-impl.ts

@@ -112,7 +112,7 @@ export module HTTP {
 
 export function pretifyError(message: string): Observable<any> {
     return this.catch((response: HttpErrorResponse) => {
-        let result: ErrorDto = null;
+        let result: ErrorDto | null = null;
 
         if (!(response.error instanceof Error)) {
             try {

src/Squidex/app/framework/angular/keys.pipe.ts

@@ -12,7 +12,7 @@ import { Pipe, PipeTransform } from '@angular/core';
     pure: true
 })
 export class KeysPipe implements PipeTransform {
-    public transform(value: any, args: any[] = null): any {
+    public transform(value: any): any {
         return Object.keys(value);
     }
 }

src/Squidex/app/framework/angular/onboarding-tooltip.component.ts

@@ -25,7 +25,7 @@ import { fadeAnimation } from './animations';
 export class OnboardingTooltipComponent implements OnDestroy, OnInit {
     private showTimer: any;
     private closeTimer: any;
-    private forMouseDownListener: Function;
+    private forMouseDownListener: Function | null;
 
     public tooltipModal = new ModalView();
 
@@ -91,7 +91,7 @@ export class OnboardingTooltipComponent implements OnDestroy, OnInit {
         }
     }
 
-    private isSameOrParent(underCursor: Element): boolean {
+    private isSameOrParent(underCursor: Element | null): boolean {
         if (!underCursor) {
             return false;
         } if (this.for === underCursor) {

src/Squidex/app/framework/angular/toggle.component.ts

@@ -24,7 +24,7 @@ export class ToggleComponent implements ControlValueAccessor {
     private callChange = (v: any) => { /* NOOP */ };
     private callTouched = () => { /* NOOP */ };
 
-    public isChecked: boolean | null = null;
+    public isChecked: boolean | null | undefined = null;
     public isDisabled = false;
 
     public writeValue(value: boolean | null | undefined) {

src/Squidex/app/framework/utils/immutable-array.ts

@@ -61,7 +61,7 @@ export class ImmutableArray<T> implements Iterable<T> {
         return new ImmutableArray<T>(this.items.filter(v => predicate(v!)));
     }
 
-    public find(predicate: (item: T, index: number) => boolean): T {
+    public find(predicate: (item: T, index: number) => boolean): T | undefined {
         return this.items.find(predicate);
     }
 

src/Squidex/app/framework/utils/version.ts

@@ -7,7 +7,7 @@
 
 export class Version {
     constructor(
-        public readonly value?: string
+        public readonly value: string
     ) {
     }
 }

src/Squidex/app/shared/components/app-context.ts

@@ -30,7 +30,7 @@ export class AppContext implements OnDestroy {
         return this.appField;
     }
 
-    public get appChanges(): Observable<AppDto> {
+    public get appChanges(): Observable<AppDto | null> {
         return this.appsStore.selectedApp;
     }
 
@@ -59,7 +59,7 @@ export class AppContext implements OnDestroy {
     ) {
         this.appSubscription =
             this.appsStore.selectedApp.take(1).subscribe(app => {
-                this.appField = app;
+                this.appField = app!;
             });
     }
 

src/Squidex/app/shared/guards/unset-app.guard.spec.ts

@@ -25,9 +25,9 @@ describe('UnsetAppGuard', () => {
 
         const guard = new UnsetAppGuard(appStoreService.object);
 
-        let result: boolean = undefined;
+        let result = false;
 
-        guard.canActivate(null, null)
+        guard.canActivate(<any>{}, <any>{})
             .subscribe(value => {
                 result = value;
             });

src/Squidex/app/shared/services/assets.service.ts

@@ -198,7 +198,7 @@ export class AssetsService {
                             response.pixelWidth,
                             response.pixelHeight,
                             assetUrl,
-                            new Version(event.headers.get('etag')));
+                            new Version(event.headers.get('etag')!));
 
                         return dto;
                     }
@@ -268,7 +268,7 @@ export class AssetsService {
                             response.pixelWidth,
                             response.pixelHeight);
 
-                        return new Versioned(new Version(event.headers.get('etag')), replaced);
+                        return new Versioned(new Version(event.headers.get('etag')!), replaced);
                     }
                 })
                 .do(() => {

src/Squidex/app/shared/services/auth.service.ts

@@ -35,7 +35,7 @@ export class Profile {
     }
 
     public get isExpired(): boolean {
-        return this.user.expired;
+        return this.user.expired || false;
     }
 
     public get authToken(): string {

src/Squidex/app/shared/services/schemas.service.ts

@@ -385,10 +385,12 @@ export class StringFieldPropertiesDto extends FieldPropertiesDto {
         }
 
         if (this.allowedValues && this.allowedValues.length > 0) {
+            const values: (string | null)[] = this.allowedValues;
+
             if (this.isRequired && !isOptional) {
-                validators.push(ValidatorsEx.validValues(this.allowedValues));
+                validators.push(ValidatorsEx.validValues(values));
             } else {
-                validators.push(ValidatorsEx.validValues(this.allowedValues.concat([null])));
+                validators.push(ValidatorsEx.validValues(values.concat([null])));
             }
         }
 
@@ -437,10 +439,12 @@ export class NumberFieldPropertiesDto extends FieldPropertiesDto {
         }
 
         if (this.allowedValues && this.allowedValues.length > 0) {
+            const values: (number | null)[] = this.allowedValues;
+
             if (this.isRequired && !isOptional) {
-                validators.push(ValidatorsEx.validValues(this.allowedValues));
+                validators.push(ValidatorsEx.validValues(values));
             } else {
-                validators.push(ValidatorsEx.validValues(this.allowedValues.concat([null])));
+                validators.push(ValidatorsEx.validValues(values.concat([null])));
             }
         }
 

src/Squidex/app/shell/pages/internal/apps-menu.component.ts

@@ -36,7 +36,7 @@ export class AppsMenuComponent implements OnDestroy, OnInit {
     public appsMenu = new ModalView(false, true);
     public apps: AppDto[] = [];
 
-    public selectedApp: AppDto;
+    public selectedApp: AppDto | null;
 
     constructor(
         private readonly appsStore: AppsStoreService

src/Squidex/package.json

@@ -15,22 +15,22 @@
     "build:clean": "rimraf wwwroot/build"
   },
   "dependencies": {
-    "@angular/animations": "5.1.0",
-    "@angular/common": "5.1.0",
-    "@angular/compiler": "5.1.0",
-    "@angular/core": "5.1.0",
-    "@angular/forms": "5.1.0",
-    "@angular/http": "5.1.0",
-    "@angular/platform-browser": "5.1.0",
-    "@angular/platform-browser-dynamic": "5.1.0",
-    "@angular/platform-server": "5.1.0",
-    "@angular/router": "5.1.0",
+    "@angular/animations": "5.1.3",
+    "@angular/common": "5.1.3",
+    "@angular/compiler": "5.1.3",
+    "@angular/core": "5.1.3",
+    "@angular/forms": "5.1.3",
+    "@angular/http": "5.1.3",
+    "@angular/platform-browser": "5.1.3",
+    "@angular/platform-browser-dynamic": "5.1.3",
+    "@angular/platform-server": "5.1.3",
+    "@angular/router": "5.1.3",
     "angular2-chartjs": "0.4.1",
     "babel-polyfill": "6.26.0",
     "bootstrap": "4.0.0-alpha.6",
     "core-js": "2.5.3",
-    "graphiql": "0.11.10",
-    "moment": "2.19.4",
+    "graphiql": "0.11.11",
+    "moment": "2.20.1",
     "mousetrap": "1.6.1",
     "ng2-dnd": "5.0.2",
     "oidc-client": "1.4.1",
@@ -38,18 +38,18 @@
     "progressbar.js": "1.0.1",
     "react": "16.2.0",
     "react-dom": "16.2.0",
-    "rxjs": "5.5.5",
-    "zone.js": "0.8.18"
+    "rxjs": "5.5.6",
+    "zone.js": "0.8.19"
   },
   "devDependencies": {
-    "@angular/compiler": "5.1.0",
-    "@angular/compiler-cli": "5.1.0",
-    "@ngtools/webpack": "1.9.0",
-    "@types/core-js": "0.9.35",
+    "@angular/compiler": "5.1.3",
+    "@angular/compiler-cli": "5.1.3",
+    "@ngtools/webpack": "1.9.3",
+    "@types/core-js": "0.9.44",
     "@types/jasmine": "2.5.45",
-    "@types/mousetrap": "1.5.34",
-    "@types/node": "7.0.5",
-    "@types/react": "16.0.25",
+    "@types/mousetrap": "1.6",
+    "@types/node": "8.5.2",
+    "@types/react": "16.0.34",
     "@types/react-dom": "16.0.3",
     "angular2-router-loader": "0.3.5",
     "angular2-template-loader": "0.6.2",
@@ -59,13 +59,13 @@
     "css-loader": "0.28.7",
     "exports-loader": "0.6.4",
     "extract-text-webpack-plugin": "3.0.2",
-    "file-loader": "1.1.5",
+    "file-loader": "1.1.6",
     "html-loader": "0.5.1",
     "html-webpack-plugin": "2.30.1",
     "ignore-loader": "^0.1.2",
     "istanbul-instrumenter-loader": "0.2.0",
     "jasmine-core": "2.8.0",
-    "karma": "1.7.1",
+    "karma": "2.0.0",
     "karma-chrome-launcher": "2.2.0",
     "karma-cli": "1.0.1",
     "karma-coverage": "1.1.1",
@@ -75,7 +75,7 @@
     "karma-mocha-reporter": "2.2.5",
     "karma-phantomjs-launcher": "1.0.4",
     "karma-sourcemap-loader": "0.3.7",
-    "karma-webpack": "2.0.6",
+    "karma-webpack": "2.0.9",
     "node-sass": "4.7.2",
     "noop-loader": "^1.0.0",
     "null-loader": "0.1.1",
@@ -84,7 +84,7 @@
     "rimraf": "2.6.2",
     "sass-lint": "1.12.1",
     "sass-loader": "6.0.6",
-    "style-loader": "0.19.0",
+    "style-loader": "0.19.1",
     "tslint": "5.8.0",
     "tslint-loader": "3.5.3",
     "typemoq": "2.1.0",

src/Squidex/tsconfig.json

@@ -3,13 +3,14 @@
     "baseUrl": ".",
     "emitDecoratorMetadata": true,
     "experimentalDecorators": true,
+    "lib": ["es6", "esnext", "dom"],
     "moduleResolution": "node",
     "noImplicitAny": true,
     "noUnusedLocals": true,
     "noUnusedParameters": false,
     "removeComments": false,
     "sourceMap": true,
-    "strictNullChecks": false,
+    "strictNullChecks": true,
     "suppressImplicitAnyIndexErrors": true,
     "target": "es5",
     "paths": {