added semantics page to display vector networks for the Panegyrici Latini corpus

.gitlab-ci.yml

 stages:
   - test
-  - deploy
 coverage:
   stage: test
   script:

angular.json

@@ -12,7 +12,7 @@
       "schematics": {},
       "architect": {
         "build": {
-          "builder": "@angular-devkit/build-angular:browser",
+          "builder": "@angular-builders/custom-webpack:browser",
           "options": {
             "outputPath": "www",
             "index": "src/index.html",

package.json

 {
   "name": "mc_frontend",
-  "version": "1.7.0",
+  "version": "1.7.2",
   "author": "Ionic Framework",
   "homepage": "https://ionicframework.com/",
   "scripts": {
@@ -9,6 +9,7 @@
     "build": "ng build",
     "test": "ng test --code-coverage --watch=false",
     "test-debug": "ng test --watch=true --browsers=Chrome",
+    "test-cov": "ng test --code-coverage --watch=true",
     "lint": "ng lint",
     "e2e": "ng e2e"
   },
@@ -37,7 +38,7 @@
     "cordova-plugin-splashscreen": "^5.0.3",
     "cordova-plugin-statusbar": "^2.4.3",
     "cordova-plugin-whitelist": "^1.3.4",
-    "core-js": "^2.6.11",
+    "core-js": "^3.6.4",
     "rxjs": "^6.5.4",
     "tslib": "^1.11.1",
     "webpack": "^4.42.0",
@@ -53,17 +54,17 @@
     "@angular/compiler-cli": "^9.0.4",
     "@angular/language-service": "^7.2.16",
     "@ionic/angular-toolkit": "^2.2.0",
-    "@types/jasmine": "~2.8.8",
+    "@types/jasmine": "^3.5.9",
     "@types/jasminewd2": "^2.0.8",
     "@types/node": "^12.0.12",
     "codelyzer": "^5.2.1",
-    "jasmine-core": "~2.99.1",
+    "jasmine-core": "^3.5.0",
     "jasmine-spec-reporter": "~4.2.1",
-    "karma": "~4.1.0",
+    "karma": "^4.4.1",
     "karma-chrome-launcher": "^3.1.0",
     "karma-coverage-istanbul-reporter": "^2.0.6",
-    "karma-jasmine": "~1.1.2",
-    "karma-jasmine-html-reporter": "^0.2.2",
+    "karma-jasmine": "^3.1.1",
+    "karma-jasmine-html-reporter": "^1.5.2",
     "protractor": "^5.4.3",
     "ts-node": "^8.1.1",
     "tslint": "~5.16.0",

src/app/app-routing.module.ts

@@ -22,6 +22,10 @@ const routes: Routes = [
   { path: 'doc-voc-unit', loadChildren: './doc-voc-unit/doc-voc-unit.module#DocVocUnitPageModule' },
   { path: 'doc-exercises', loadChildren: './doc-exercises/doc-exercises.module#DocExercisesPageModule' },
   { path: 'doc-software', loadChildren: './doc-software/doc-software.module#DocSoftwarePageModule' },
+  {
+    path: 'semantics',
+    loadChildren: () => import('./semantics/semantics.module').then( m => m.SemanticsPageModule)
+  },
 
 
 

src/app/app.component.html

@@ -14,32 +14,39 @@
             <ion-grid style="text-align: left">
                 <ion-row>
                     <ion-col>
-                        <a (click)="HelperService.goToHomePage(navCtrl).then(closeMenu.bind(this))">
+                        <a (click)="helperService.goToHomePage(navCtrl).then(closeMenu.bind(this))">
                             {{'HOME' | translate}}
                         </a>
                     </ion-col>
                 </ion-row>
                 <ion-row>
                     <ion-col>
-                        <a (click)="HelperService.goToAuthorPage(navCtrl).then(closeMenu.bind(this))">
+                        <a (click)="helperService.goToAuthorPage(navCtrl).then(closeMenu.bind(this))">
                             {{ 'EXERCISE_GENERATE' | translate }}
                         </a>
                     </ion-col>
                 </ion-row>
                 <ion-row>
                     <ion-col>
-                        <a (click)="HelperService.goToExerciseListPage(navCtrl).then(closeMenu.bind(this))">
+                        <a (click)="helperService.goToExerciseListPage(navCtrl).then(closeMenu.bind(this))">
                             {{ 'EXERCISE_LIST' | translate }}
                         </a>
                     </ion-col>
                 </ion-row>
                 <ion-row>
                     <ion-col>
-                        <a (click)="HelperService.goToTestPage(navCtrl).then(closeMenu.bind(this))">
+                        <a (click)="helperService.goToTestPage(navCtrl).then(closeMenu.bind(this))">
                             {{ 'TEST' | translate }}
                         </a>
                     </ion-col>
                 </ion-row>
+                <ion-row>
+                    <ion-col>
+                        <a (click)="helperService.goToSemanticsPage(navCtrl).then(closeMenu.bind(this))">
+                            {{ 'SEMANTICS' | translate }}
+                        </a>
+                    </ion-col>
+                </ion-row>
                 <ion-row>
                     <ion-grid style="text-align: left; padding: 0">
                         <ion-title>
@@ -47,35 +54,35 @@
                         </ion-title>
                         <ion-row>
                             <ion-col>
-                                <a (click)="HelperService.goToInfoPage(navCtrl).then(closeMenu.bind(this))">
+                                <a (click)="helperService.goToInfoPage(navCtrl).then(closeMenu.bind(this))">
                                     {{ 'ABOUT' | translate }}
                                 </a>
                             </ion-col>
                         </ion-row>
                         <ion-row>
                             <ion-col>
-                                <a (click)="HelperService.goToDocSoftwarePage(navCtrl).then(closeMenu.bind(this))">
+                                <a (click)="helperService.goToDocSoftwarePage(navCtrl).then(closeMenu.bind(this))">
                                     {{ 'DOC_SOFTWARE' | translate }}
                                 </a>
                             </ion-col>
                         </ion-row>
                         <ion-row>
                             <ion-col>
-                                <a (click)="HelperService.goToDocExercisesPage(navCtrl).then(closeMenu.bind(this))">
+                                <a (click)="helperService.goToDocExercisesPage(navCtrl).then(closeMenu.bind(this))">
                                     {{ 'DOC_EXERCISES' | translate }}
                                 </a>
                             </ion-col>
                         </ion-row>
                         <ion-row>
                             <ion-col>
-                                <a (click)="HelperService.goToDocVocUnitPage(navCtrl).then(closeMenu.bind(this))">
+                                <a (click)="helperService.goToDocVocUnitPage(navCtrl).then(closeMenu.bind(this))">
                                     {{ 'DOC_VOC_UNIT' | translate }}
                                 </a>
                             </ion-col>
                         </ion-row>
                         <ion-row>
                             <ion-col>
-                                <a (click)="HelperService.goToSourcesPage(navCtrl).then(closeMenu.bind(this))">
+                                <a (click)="helperService.goToSourcesPage(navCtrl).then(closeMenu.bind(this))">
                                     {{ 'SOURCES' | translate }}
                                 </a>
                             </ion-col>

src/app/app.component.spec.ts

 import {CUSTOM_ELEMENTS_SCHEMA} from '@angular/core';
-import {TestBed, async} from '@angular/core/testing';
+import {TestBed, async, ComponentFixture} from '@angular/core/testing';
 
 import {MenuController, Platform} from '@ionic/angular';
 import {SplashScreen} from '@ionic-native/splash-screen/ngx';
@@ -13,9 +13,14 @@ import {TranslateTestingModule} from './translate-testing/translate-testing.modu
 import {APP_BASE_HREF} from '@angular/common';
 import {Subscription} from 'rxjs';
 import {HelperService} from './helper.service';
-import MockMC from './models/mock';
+import {CorpusService} from './corpus.service';
+import Spy = jasmine.Spy;
+import MockMC from './models/mockMC';
 
 describe('AppComponent', () => {
+    let statusBarSpy, splashScreenSpy, platformReadySpy, fixture: ComponentFixture<AppComponent>,
+        appComponent: AppComponent;
+
     class PlatformStub {
         backButton = {
             subscribeWithPriority(priority: number, callback: () => (Promise<any> | void)): Subscription {
@@ -30,7 +35,6 @@ describe('AppComponent', () => {
         }
     }
 
-    let statusBarSpy, splashScreenSpy, platformReadySpy, fixture;
     beforeEach(async(() => {
         platformReadySpy = Promise.resolve();
         statusBarSpy = jasmine.createSpyObj('StatusBar', ['styleDefault']);
@@ -49,11 +53,16 @@ describe('AppComponent', () => {
                 {provide: SplashScreen, useValue: splashScreenSpy},
                 {provide: Platform, useClass: PlatformStub},
                 {provide: APP_BASE_HREF, useValue: '/'},
-                {provide: MenuController}
+                {provide: MenuController},
+                {provide: CorpusService, useValue: {initCorpusService: () => Promise.resolve()}},
+                {
+                    provide: HelperService,
+                    useValue: {makeGetRequest: () => Promise.resolve(MockMC.apiResponseCorporaGet)}
+                }
             ],
-        }).compileComponents();
-        spyOn(HelperService, 'makeGetRequest').and.returnValue(Promise.resolve(MockMC.apiResponseCorporaGet));
+        }).compileComponents().then();
         fixture = TestBed.createComponent(AppComponent);
+        appComponent = fixture.componentInstance;
     }));
 
     it('should create the app', () => {
@@ -69,6 +78,20 @@ describe('AppComponent', () => {
         expect(splashScreenSpy.hide).toHaveBeenCalled();
     });
 
+    it('should close the menu', () => {
+        const closeSpy: Spy = spyOn(appComponent.menuCtrl, 'close').and.returnValue(Promise.resolve(true));
+        appComponent.closeMenu(true);
+        expect(closeSpy).toHaveBeenCalledTimes(1);
+    });
+
+    it('should initialize the translations', () => {
+        spyOn(appComponent.translate, 'getBrowserLang').and.returnValue(undefined);
+        const languageSpy: Spy = spyOn(appComponent.translate, 'getDefaultLang').and.returnValue('de');
+        appComponent.initTranslate();
+        expect(appComponent.translate.currentLang).toBe('de');
+        expect(languageSpy).toHaveBeenCalledTimes(1);
+    });
+
     // TODO: add more tests!
 
 });

src/app/app.component.ts

@@ -13,7 +13,6 @@ import {CorpusService} from './corpus.service';
 })
 export class AppComponent {
     public configMC = configMC;
-    public HelperService = HelperService;
 
     constructor(platform: Platform,
                 public statusBar: StatusBar,

src/app/author-detail/author-detail.page.html

@@ -2,13 +2,13 @@
     <ion-toolbar>
         <ion-buttons slot="start">
             <div class="home-logo">
-                <a (click)="HelperService.goToHomePage(navCtrl)">
+                <a (click)="helperService.goToHomePage(navCtrl)">
                     <img src="assets/imgs/logo.png" width="32px" height="32px" alt="CALLIDUS Logo">
                 </a>
             </div>
         </ion-buttons>
-        <ion-spinner *ngIf="HelperService.isLoading"></ion-spinner>
-        <ion-title *ngIf="HelperService.applicationState | async as state">{{ state.currentSetup.currentAuthor?.name }}</ion-title>
+        <ion-spinner *ngIf="helperService.openRequests.length"></ion-spinner>
+        <ion-title *ngIf="helperService.applicationState | async as state">{{ state.currentSetup.currentAuthor?.name }}</ion-title>
         <ion-buttons slot="end">
             <ion-menu-button autoHide="false">
                 <ion-icon name="menu"></ion-icon>
@@ -19,7 +19,7 @@
 
 
 <ion-content class="ion-padding">
-    <ion-list *ngIf="HelperService.applicationState | async as state">
+    <ion-list *ngIf="helperService.applicationState | async as state">
         <ion-item *ngFor="let corpus of state.currentSetup.currentAuthor?.corpora">
             <button (click)="showPossibleReferences(corpus)">
                 <span>{{corpus.title}}</span>

src/app/author-detail/author-detail.page.spec.ts

@@ -7,9 +7,11 @@ import {IonicStorageModule} from '@ionic/storage';
 import {TranslateTestingModule} from '../translate-testing/translate-testing.module';
 import {APP_BASE_HREF} from '@angular/common';
 import {HttpClientTestingModule} from '@angular/common/http/testing';
+import Spy = jasmine.Spy;
+import {CorpusMC} from '../models/corpusMC';
 
 describe('AuthorDetailPage', () => {
-    let component: AuthorDetailPage;
+    let authorDetailPage: AuthorDetailPage;
     let fixture: ComponentFixture<AuthorDetailPage>;
 
     beforeEach(async(() => {
@@ -31,11 +33,19 @@ describe('AuthorDetailPage', () => {
 
     beforeEach(() => {
         fixture = TestBed.createComponent(AuthorDetailPage);
-        component = fixture.componentInstance;
+        authorDetailPage = fixture.componentInstance;
         fixture.detectChanges();
     });
 
     it('should create', () => {
-        expect(component).toBeTruthy();
+        expect(authorDetailPage).toBeTruthy();
+    });
+
+    it('should show possible references', () => {
+        const currentCorpusSpy: Spy = spyOn(authorDetailPage.corpusService, 'setCurrentCorpus');
+        const textRangeSpy: Spy = spyOn(authorDetailPage.helperService, 'goToTextRangePage').and.returnValue(Promise.resolve(true));
+        authorDetailPage.showPossibleReferences(new CorpusMC());
+        expect(currentCorpusSpy).toHaveBeenCalledTimes(1);
+        expect(textRangeSpy).toHaveBeenCalledTimes(1);
     });
 });

src/app/author-detail/author-detail.page.ts

@@ -12,16 +12,16 @@ import {HttpClient} from '@angular/common/http';
     styleUrls: ['./author-detail.page.scss'],
 })
 export class AuthorDetailPage {
-    HelperService = HelperService;
 
     constructor(public navCtrl: NavController,
                 public corpusService: CorpusService,
                 public translate: TranslateService,
-                public http: HttpClient) {
+                public http: HttpClient,
+                public helperService: HelperService) {
     }
 
     showPossibleReferences(corpus: CorpusMC) {
-        this.corpusService.saveNewCorpus(corpus);
-        HelperService.goToTextRangePage(this.navCtrl).then();
+        this.corpusService.setCurrentCorpus(corpus);
+        this.helperService.goToTextRangePage(this.navCtrl).then();
     }
 }

src/app/author/author.page.html

@@ -2,12 +2,12 @@
     <ion-toolbar>
         <ion-buttons slot="start">
             <div class="home-logo">
-                <a (click)="HelperService.goToHomePage(navCtrl)">
+                <a (click)="helperService.goToHomePage(navCtrl)">
                     <img src="assets/imgs/logo.png" width="32px" height="32px" alt="CALLIDUS Logo">
                 </a>
             </div>
         </ion-buttons>
-        <ion-spinner *ngIf="HelperService.isLoading"></ion-spinner>
+        <ion-spinner *ngIf="helperService.openRequests.length"></ion-spinner>
         <ion-title>{{ 'AUTHOR_SELECT' | translate }}</ion-title>
         <ion-buttons slot="end">
             <ion-menu-button autoHide="false">
@@ -25,7 +25,7 @@
 
             </ion-col>
         </ion-row>
-        <div *ngIf="HelperService.applicationState | async as state">
+        <div *ngIf="helperService.applicationState | async as state">
             <ion-row
                     *ngIf="state.mostRecentSetup && state.mostRecentSetup.currentCorpus && state.mostRecentSetup.currentUrn; else noEntryFound">
                 <ion-col>

src/app/author/author.page.spec.ts

@@ -8,9 +8,13 @@ import {HttpClientModule} from '@angular/common/http';
 import {IonicStorageModule} from '@ionic/storage';
 import {TranslateTestingModule} from '../translate-testing/translate-testing.module';
 import {APP_BASE_HREF} from '@angular/common';
+import {Author} from '../models/author';
+import {CorpusMC} from '../models/corpusMC';
+import Spy = jasmine.Spy;
+import MockMC from '../models/mockMC';
 
 describe('AuthorPage', () => {
-    let component: AuthorPage;
+    let authorPage: AuthorPage;
     let fixture: ComponentFixture<AuthorPage>;
 
     beforeEach(async(() => {
@@ -35,11 +39,66 @@ describe('AuthorPage', () => {
 
     beforeEach(() => {
         fixture = TestBed.createComponent(AuthorPage);
-        component = fixture.componentInstance;
+        authorPage = fixture.componentInstance;
         fixture.detectChanges();
     });
 
     it('should create', () => {
-        expect(component).toBeTruthy();
+        expect(authorPage).toBeTruthy();
+    });
+
+    it('should filter an author', () => {
+        const result: boolean = AuthorPage.filterAuthor(new Author({name: 'name'}), 'b');
+        expect(result).toBe(false);
+    });
+
+    it('should get authors', () => {
+        authorPage.showOnlyTreebanks = true;
+        authorPage.getAuthors('');
+        expect(authorPage.authorsDisplayed).toBe(authorPage.baseAuthorList);
+        authorPage.showOnlyTreebanks = false;
+        authorPage.getAuthors('');
+        expect(authorPage.authorsDisplayed).toBe(authorPage.corpusService.availableAuthors);
+        authorPage.baseAuthorList.push(new Author({name: 'test'}));
+        authorPage.getAuthors('test');
+        expect(authorPage.authorsDisplayed.length).toBe(1);
+    });
+
+    it('should be initialized', () => {
+        authorPage.corpusService.availableAuthors = [new Author({
+            corpora: [new CorpusMC({source_urn: 'proiel'})],
+            name: 'name'
+        })];
+        authorPage.ngOnInit();
+        expect(authorPage.baseAuthorList.length).toBe(1);
+    });
+
+    it('should restore the last setup', (done) => {
+        const restoreSpy: Spy = spyOn(authorPage.corpusService, 'restoreLastCorpus').and.callFake(() => Promise.reject());
+        const showTextSpy: Spy = spyOn(authorPage.helperService, 'goToShowTextPage').and.returnValue(Promise.resolve(true));
+        const vocCheckSpy: Spy = spyOn(authorPage.helperService, 'goToVocabularyCheckPage').and.returnValue(Promise.resolve(true));
+        authorPage.helperService.isVocabularyCheck = false;
+        authorPage.restoreLastSetup().then(() => {
+        }, () => {
+            expect(showTextSpy).toHaveBeenCalledTimes(0);
+            restoreSpy.and.returnValue(Promise.resolve());
+            authorPage.restoreLastSetup().then(() => {
+                expect(showTextSpy).toHaveBeenCalledTimes(1);
+                authorPage.helperService.isVocabularyCheck = true;
+                authorPage.restoreLastSetup().then(() => {
+                    expect(vocCheckSpy).toHaveBeenCalledTimes(1);
+                    const a = 0;
+                    done();
+                });
+            });
+        });
+    });
+
+    it('should show corpora', () => {
+        authorPage.helperService.applicationState.next(authorPage.helperService.deepCopy(MockMC.applicationState));
+        spyOn(authorPage.helperService, 'goToAuthorDetailPage').and.returnValue(Promise.resolve(true));
+        const author: Author = new Author({name: '', corpora: []});
+        authorPage.showCorpora(author);
+        expect(authorPage.corpusService.currentAuthor).toBe(author);
     });
 });

src/app/author/author.page.ts

-import {Component} from '@angular/core';
+import {Component, OnInit} from '@angular/core';
 import {Author} from 'src/app/models/author';
 import {NavController} from '@ionic/angular';
 import {TranslateService} from '@ngx-translate/core';
@@ -21,34 +21,25 @@ import {take} from 'rxjs/operators';
     templateUrl: './author.page.html',
     styleUrls: ['./author.page.scss'],
 })
-export class AuthorPage {
-
+export class AuthorPage implements OnInit {
     constructor(public navCtrl: NavController,
                 public translate: TranslateService,
                 public corpusService: CorpusService,
                 public http: HttpClient,
                 public exerciseService: ExerciseService,
                 public helperService: HelperService) {
-        if (!this.corpusService.availableAuthors.length) {
-            this.corpusService.loadCorporaFromLocalStorage().then(() => {
-                this.toggleTreebankAuthors();
-            });
-        } else {
-            this.toggleTreebankAuthors();
-        }
     }
 
     public authorsDisplayed: Author[];
     public baseAuthorList: Author[];
-    HelperService = HelperService;
     showOnlyTreebanks = true;
     currentSearchValue = '';
 
-    static filterAuthor(author: Author, filterValue: string) {
+    static filterAuthor(author: Author, filterValue: string): boolean {
         return author.name.toLowerCase().includes(filterValue.toLowerCase());
     }
 
-    getAuthors(newSearchValue: string) {
+    getAuthors(newSearchValue: string): void {
         this.baseAuthorList = this.showOnlyTreebanks ? this.getAuthorsFiltered() : this.corpusService.availableAuthors;
         if (!newSearchValue) {
             this.authorsDisplayed = this.baseAuthorList;
@@ -59,31 +50,46 @@ export class AuthorPage {
         }
     }
 
-    getAuthorsFiltered() {
+    getAuthorsFiltered(): Author[] {
         return this.corpusService.availableAuthors.filter(author => author.corpora.some(corpus => this.corpusService.isTreebank(corpus)));
     }
 
-    restoreLastSetup() {
-        this.corpusService.restoreLastCorpus().then(() => {
-            if (HelperService.isVocabularyCheck) {
-                HelperService.goToVocabularyCheckPage(this.navCtrl).then();
-            } else {
-                HelperService.goToShowTextPage(this.navCtrl).then();
-            }
-        }, () => {
+    ngOnInit(): void {
+        if (!this.corpusService.availableAuthors.length) {
+            this.corpusService.loadCorporaFromLocalStorage().then(() => {
+                this.toggleTreebankAuthors();
+            });
+        } else {
+            this.toggleTreebankAuthors();
+        }
+    }
+
+    restoreLastSetup(): Promise<void> {
+        return new Promise<void>((resolve, reject) => {
+            this.corpusService.restoreLastCorpus().then(() => {
+                if (this.helperService.isVocabularyCheck) {
+                    this.helperService.goToVocabularyCheckPage(this.navCtrl).then();
+                    return resolve();
+                } else {
+                    this.helperService.goToShowTextPage(this.navCtrl).then();
+                    return resolve();
+                }
+            }, () => {
+                return reject();
+            });
         });
     }
 
-    showCorpora(author: Author) {
+    showCorpora(author: Author): void {
         this.corpusService.currentAuthor = author;
-        HelperService.applicationState.pipe(take(1)).subscribe((as: ApplicationState) => {
+        this.helperService.applicationState.pipe(take(1)).subscribe((as: ApplicationState) => {
             as.currentSetup.currentAuthor = author;
             this.helperService.saveApplicationState(as).then();
-            this.navCtrl.navigateForward('/author-detail').then();
+            this.helperService.goToAuthorDetailPage(this.navCtrl).then();
         });
     }
 
-    toggleTreebankAuthors() {
+    toggleTreebankAuthors(): void {
         this.baseAuthorList = this.showOnlyTreebanks ? this.getAuthorsFiltered() : this.corpusService.availableAuthors;
         this.authorsDisplayed = this.baseAuthorList.filter((author: Author) => {
             return AuthorPage.filterAuthor(author, this.currentSearchValue);

src/app/confirm-cancel/confirm-cancel.page.spec.ts

@@ -9,7 +9,7 @@ import {TranslateTestingModule} from '../translate-testing/translate-testing.mod
 import {APP_BASE_HREF} from '@angular/common';
 
 describe('ConfirmCancelPage', () => {
-    let component: ConfirmCancelPage;
+    let confirmCancelPage: ConfirmCancelPage;
     let fixture: ComponentFixture<ConfirmCancelPage>;
 
     beforeEach(async(() => {
@@ -26,16 +26,23 @@ describe('ConfirmCancelPage', () => {
             ],
             schemas: [CUSTOM_ELEMENTS_SCHEMA],
         })
-            .compileComponents();
+            .compileComponents().then();
     }));
 
     beforeEach(() => {
         fixture = TestBed.createComponent(ConfirmCancelPage);
-        component = fixture.componentInstance;
+        confirmCancelPage = fixture.componentInstance;
         fixture.detectChanges();
     });
 
     it('should create', () => {
-        expect(component).toBeTruthy();
+        expect(confirmCancelPage).toBeTruthy();
+    });
+
+    it('should confirm', () => {
+        confirmCancelPage.helperService.currentPopover = {dismiss: () => Promise.resolve(true)} as HTMLIonPopoverElement;
+        spyOn(confirmCancelPage.helperService, 'goToHomePage').and.returnValue(Promise.resolve(true));
+        confirmCancelPage.confirm();
+        expect(confirmCancelPage.helperService.currentPopover).toBeFalsy();
     });
 });

src/app/confirm-cancel/confirm-cancel.page.ts

-import {Component, OnInit} from '@angular/core';
+import {Component} from '@angular/core';
 import {HelperService} from '../helper.service';
-import {NavController} from "@ionic/angular";
+import {NavController} from '@ionic/angular';
 
 @Component({
     selector: 'app-confirm-cancel',
     templateUrl: './confirm-cancel.page.html',
     styleUrls: ['./confirm-cancel.page.scss'],
 })
-export class ConfirmCancelPage implements OnInit {
+export class ConfirmCancelPage {
 
-    constructor(public navCtrl: NavController) {
+    constructor(public navCtrl: NavController,