update rxjs imports

src/app/breadcrumbs/breadcrumbs.component.spec.ts

@@ -8,7 +8,7 @@ import { By } from '@angular/platform-browser';
 import { TranslateLoader, TranslateModule } from '@ngx-translate/core';
 import { TranslateLoaderMock } from '../shared/testing/translate-loader.mock';
 import { RouterTestingModule } from '@angular/router/testing';
-import { of as observableOf } from 'rxjs/internal/observable/of';
+import { of as observableOf } from 'rxjs';
 import { DebugElement } from '@angular/core';
 
 describe('BreadcrumbsComponent', () => {

src/app/breadcrumbs/breadcrumbs.component.ts

@@ -1,7 +1,7 @@
 import { Component } from '@angular/core';
 import { Breadcrumb } from './breadcrumb/breadcrumb.model';
 import { BreadcrumbsService } from './breadcrumbs.service';
-import { Observable } from 'rxjs/internal/Observable';
+import { Observable } from 'rxjs';
 
 /**
  * Component representing the breadcrumbs of a page

src/app/collection-page/collection-item-mapper/collection-item-mapper.component.spec.ts

@@ -27,7 +27,7 @@ import { ItemSelectComponent } from '../../shared/object-select/item-select/item
 import { ObjectSelectService } from '../../shared/object-select/object-select.service';
 import { ObjectSelectServiceStub } from '../../shared/testing/object-select-service.stub';
 import { VarDirective } from '../../shared/utils/var.directive';
-import { of as observableOf } from 'rxjs/internal/observable/of';
+import { of as observableOf } from 'rxjs';
 import { RouteService } from '../../core/services/route.service';
 import { ErrorComponent } from '../../shared/error/error.component';
 import { LoadingComponent } from '../../shared/loading/loading.component';

src/app/collection-page/edit-collection-page/collection-source/collection-source-controls/collection-source-controls.component.ts

@@ -11,18 +11,16 @@ import {
 import { filter, map, switchMap, tap } from 'rxjs/operators';
 import { hasValue, hasValueOperator } from '../../../../shared/empty.util';
 import { ProcessStatus } from '../../../../process-page/processes/process-status.model';
-import { Subscription } from 'rxjs/internal/Subscription';
+import { BehaviorSubject, Observable, Subscription } from 'rxjs';
 import { RequestService } from '../../../../core/data/request.service';
 import { NotificationsService } from '../../../../shared/notifications/notifications.service';
 import { Collection } from '../../../../core/shared/collection.model';
 import { CollectionDataService } from '../../../../core/data/collection-data.service';
-import { Observable } from 'rxjs/internal/Observable';
 import { Process } from '../../../../process-page/processes/process.model';
 import { TranslateService } from '@ngx-translate/core';
 import { HttpClient } from '@angular/common/http';
 import { BitstreamDataService } from '../../../../core/data/bitstream-data.service';
 import { ContentSourceSetSerializer } from '../../../../core/shared/content-source-set-serializer';
-import { BehaviorSubject } from 'rxjs/internal/BehaviorSubject';
 
 /**
  * Component that contains the controls to run, reset and test the harvest

src/app/community-list-page/community-list-datasource.ts

@@ -1,9 +1,8 @@
-import { Subscription } from 'rxjs/internal/Subscription';
 import { FindListOptions } from '../core/data/request.models';
 import { hasValue } from '../shared/empty.util';
 import { CommunityListService, FlatNode } from './community-list-service';
 import { CollectionViewer, DataSource } from '@angular/cdk/collections';
-import { BehaviorSubject, Observable, } from 'rxjs';
+import { BehaviorSubject, Observable, Subscription } from 'rxjs';
 import { finalize } from 'rxjs/operators';
 
 /**

src/app/core/cache/builders/link.service.ts

@@ -10,8 +10,7 @@ import {
   LinkDefinition
 } from './build-decorators';
 import { RemoteData } from '../../data/remote-data';
-import { Observable } from 'rxjs/internal/Observable';
-import { EMPTY } from 'rxjs';
+import { EMPTY, Observable } from 'rxjs';
 import { ResourceType } from '../../shared/resource-type';
 
 /**

src/app/core/data/eperson-registration.service.spec.ts

@@ -7,7 +7,7 @@ import { PostRequest } from './request.models';
 import { Registration } from '../shared/registration.model';
 import { HALEndpointServiceStub } from '../../shared/testing/hal-endpoint-service.stub';
 import { createSuccessfulRemoteDataObject } from '../../shared/remote-data.utils';
-import { of as observableOf } from 'rxjs/internal/observable/of';
+import { of as observableOf } from 'rxjs';
 import { TestScheduler } from 'rxjs/testing';
 
 describe('EpersonRegistrationService', () => {

src/app/core/data/href-only-data.service.ts

@@ -14,7 +14,7 @@ import { FindListOptions } from './request.models';
 import { FollowLinkConfig } from '../../shared/utils/follow-link-config.model';
 import { dataService } from '../cache/builders/build-decorators';
 import { RemoteData } from './remote-data';
-import { Observable } from 'rxjs/internal/Observable';
+import { Observable } from 'rxjs';
 import { PaginatedList } from './paginated-list.model';
 import { ITEM_TYPE } from '../shared/item-relationships/item-type.resource-type';
 import { LICENSE } from '../shared/license.resource-type';

src/app/core/pagination/pagination.service.ts

@@ -10,7 +10,6 @@ import { hasValue, isEmpty, isNotEmpty } from '../../shared/empty.util';
 import { difference } from '../../shared/object.util';
 import { isNumeric } from 'rxjs/internal-compatibility';
 
-
 @Injectable({
   providedIn: 'root',
 })

src/app/core/shared/file.service.ts

@@ -5,7 +5,7 @@ import { map, take } from 'rxjs/operators';
 import { NativeWindowRef, NativeWindowService } from '../services/window.service';
 import { URLCombiner } from '../url-combiner/url-combiner';
 import { hasValue } from '../../shared/empty.util';
-import { Observable } from 'rxjs/internal/Observable';
+import { Observable } from 'rxjs';
 
 /**
  * Provides utility methods to save files on the client-side.

src/app/core/tasks/claimed-task-data.service.spec.ts

@@ -8,7 +8,7 @@ import { RemoteDataBuildService } from '../cache/builders/remote-data-build.serv
 import { NotificationsService } from '../../shared/notifications/notifications.service';
 import { CoreState } from '../core.reducers';
 import { ClaimedTaskDataService } from './claimed-task-data.service';
-import { of as observableOf } from 'rxjs/internal/observable/of';
+import { of as observableOf } from 'rxjs';
 import { FindListOptions } from '../data/request.models';
 import { RequestParam } from '../cache/models/request-param.model';
 import { getTestScheduler } from 'jasmine-marbles';

src/app/core/tasks/pool-task-data.service.spec.ts

@@ -10,7 +10,7 @@ import { CoreState } from '../core.reducers';
 import { PoolTaskDataService } from './pool-task-data.service';
 import { getTestScheduler } from 'jasmine-marbles';
 import { TestScheduler } from 'rxjs/testing';
-import { of as observableOf } from 'rxjs/internal/observable/of';
+import { of as observableOf } from 'rxjs';
 import { FindListOptions } from '../data/request.models';
 import { RequestParam } from '../cache/models/request-param.model';
 import { HttpOptions } from '../dspace-rest/dspace-rest.service';

src/app/core/tasks/tasks.service.spec.ts

@@ -17,7 +17,7 @@ import { HttpClient, HttpHeaders } from '@angular/common/http';
 import { DSOChangeAnalyzer } from '../data/dso-change-analyzer.service';
 import { ChangeAnalyzer } from '../data/change-analyzer';
 import { compare, Operation } from 'fast-json-patch';
-import { of as observableOf } from 'rxjs/internal/observable/of';
+import { of as observableOf } from 'rxjs';
 import { HttpOptions } from '../dspace-rest/dspace-rest.service';
 import { getMockRemoteDataBuildService } from '../../shared/mocks/remote-data-build.service.mock';
 import { NotificationsServiceStub } from '../../shared/testing/notifications-service.stub';

src/app/core/xsrf/xsrf.interceptor.ts

@@ -8,11 +8,10 @@ import {
   HttpResponse,
   HttpXsrfTokenExtractor
 } from '@angular/common/http';
-import { Observable } from 'rxjs/internal/Observable';
+import { Observable, throwError } from 'rxjs';
 import { tap, catchError } from 'rxjs/operators';
 import { RESTURLCombiner } from '../url-combiner/rest-url-combiner';
 import { CookieService } from '../services/cookie.service';
-import { throwError } from 'rxjs';
 
 // Name of XSRF header we may send in requests to backend (this is a standard name defined by Angular)
 export const XSRF_REQUEST_HEADER = 'X-XSRF-TOKEN';

src/app/item-page/edit-item-page/item-collection-mapper/item-collection-mapper.component.spec.ts

@@ -7,7 +7,7 @@ import { ActivatedRoute, Router } from '@angular/router';
 import { RouterTestingModule } from '@angular/router/testing';
 import { NgbModule } from '@ng-bootstrap/ng-bootstrap';
 import { TranslateModule, TranslateService } from '@ngx-translate/core';
-import { of as observableOf } from 'rxjs/internal/observable/of';
+import { of as observableOf } from 'rxjs';
 import { SortDirection, SortOptions } from '../../../core/cache/models/sort-options.model';
 import { CollectionDataService } from '../../../core/data/collection-data.service';
 import { ItemDataService } from '../../../core/data/item-data.service';

src/app/item-page/edit-item-page/item-relationships/item-relationships.component.ts

@@ -6,9 +6,8 @@ import {
   FieldUpdates,
   RelationshipIdentifiable,
 } from '../../../core/data/object-updates/object-updates.reducer';
-import { Observable } from 'rxjs/internal/Observable';
 import { map, startWith, switchMap, take } from 'rxjs/operators';
-import { combineLatest as observableCombineLatest, of as observableOf, zip as observableZip } from 'rxjs';
+import { combineLatest as observableCombineLatest, of as observableOf, zip as observableZip, Observable } from 'rxjs';
 import { followLink } from '../../../shared/utils/follow-link-config.model';
 import { AbstractItemUpdateComponent } from '../abstract-item-update/abstract-item-update.component';
 import { ItemDataService } from '../../../core/data/item-data.service';

src/app/item-page/mirador-viewer/mirador-viewer.component.ts

@@ -3,9 +3,8 @@ import { DomSanitizer, SafeResourceUrl } from '@angular/platform-browser';
 import { Item } from '../../core/shared/item.model';
 import { environment } from '../../../environments/environment';
 import { BitstreamDataService } from '../../core/data/bitstream-data.service';
-import { Observable } from 'rxjs/internal/Observable';
+import { Observable, of } from 'rxjs';
 import { map, take } from 'rxjs/operators';
-import { of } from 'rxjs';
 import { isPlatformBrowser } from '@angular/common';
 import { MiradorViewerService } from './mirador-viewer.service';
 import { HostWindowService, WidthCategory } from '../../shared/host-window.service';

src/app/item-page/mirador-viewer/mirador-viewer.service.ts

@@ -1,5 +1,5 @@
 import { Injectable, isDevMode } from '@angular/core';
-import { Observable } from 'rxjs/internal/Observable';
+import { Observable } from 'rxjs';
 import { Item } from '../../core/shared/item.model';
 import { getFirstCompletedRemoteData, getFirstSucceededRemoteDataPayload } from '../../core/shared/operators';
 import { last, map, switchMap } from 'rxjs/operators';

src/app/item-page/simple/item-types/untyped-item/untyped-item.component.spec.ts

@@ -4,7 +4,7 @@ import { ComponentFixture, TestBed, waitForAsync } from '@angular/core/testing';
 import { By } from '@angular/platform-browser';
 import { Store } from '@ngrx/store';
 import { TranslateLoader, TranslateModule } from '@ngx-translate/core';
-import { Observable } from 'rxjs/internal/Observable';
+import { Observable } from 'rxjs';
 import { RemoteDataBuildService } from '../../../../core/cache/builders/remote-data-build.service';
 import { ObjectCacheService } from '../../../../core/cache/object-cache.service';
 import { BitstreamDataService } from '../../../../core/data/bitstream-data.service';

src/app/request-copy/deny-request-copy/deny-request-copy.component.ts

@@ -2,7 +2,7 @@ import { Component, OnInit } from '@angular/core';
 import { ActivatedRoute, Router } from '@angular/router';
 import { map, switchMap } from 'rxjs/operators';
 import { ItemRequest } from '../../core/shared/item-request.model';
-import { Observable } from 'rxjs/internal/Observable';
+import { Observable } from 'rxjs';
 import {
   getFirstCompletedRemoteData, getFirstSucceededRemoteDataPayload,
   redirectOn4xx

src/app/request-copy/grant-deny-request-copy/grant-deny-request-copy.component.ts

@@ -2,7 +2,7 @@ import { Component, OnInit } from '@angular/core';
 import { ActivatedRoute, Router } from '@angular/router';
 import { map, switchMap } from 'rxjs/operators';
 import { ItemRequest } from '../../core/shared/item-request.model';
-import { Observable } from 'rxjs/internal/Observable';
+import { Observable } from 'rxjs';
 import {
   getFirstCompletedRemoteData,
   getFirstSucceededRemoteDataPayload,

src/app/request-copy/grant-request-copy/grant-request-copy.component.ts

@@ -2,7 +2,7 @@ import { Component, OnInit } from '@angular/core';
 import { ActivatedRoute, Router } from '@angular/router';
 import { map, switchMap } from 'rxjs/operators';
 import { ItemRequest } from '../../core/shared/item-request.model';
-import { Observable } from 'rxjs/internal/Observable';
+import { Observable } from 'rxjs';
 import {
   getFirstCompletedRemoteData, getFirstSucceededRemoteDataPayload,
   redirectOn4xx

src/app/request-copy/request-copy.resolver.ts

@@ -1,7 +1,7 @@
 import { ActivatedRouteSnapshot, Resolve, RouterStateSnapshot } from '@angular/router';
 import { RemoteData } from '../core/data/remote-data';
 import { ItemRequest } from '../core/shared/item-request.model';
-import { Observable } from 'rxjs/internal/Observable';
+import { Observable } from 'rxjs';
 import { ItemRequestDataService } from '../core/data/item-request-data.service';
 import { Injectable } from '@angular/core';
 import { getFirstCompletedRemoteData } from '../core/shared/operators';

src/app/shared/bitstream-request-a-copy-page/bitstream-request-a-copy-page.component.ts

@@ -7,10 +7,9 @@ import { Bitstream } from '../../core/shared/bitstream.model';
 import { AuthorizationDataService } from '../../core/data/feature-authorization/authorization-data.service';
 import { FeatureID } from '../../core/data/feature-authorization/feature-id';
 import { AuthService } from '../../core/auth/auth.service';
-import { combineLatest as observableCombineLatest, Observable, of as observableOf } from 'rxjs';
+import { combineLatest as observableCombineLatest, Observable, of as observableOf, Subscription } from 'rxjs';
 import { getBitstreamDownloadRoute, getForbiddenRoute } from '../../app-routing-paths';
 import { TranslateService } from '@ngx-translate/core';
-import { Subscription } from 'rxjs/internal/Subscription';
 import { EPerson } from '../../core/eperson/models/eperson.model';
 import { FormBuilder, FormControl, FormGroup, Validators } from '@angular/forms';
 import { ItemRequestDataService } from '../../core/data/item-request-data.service';

src/app/shared/chips/chips.component.ts

@@ -8,7 +8,7 @@ import { ChipsItem } from './models/chips-item.model';
 import { UploaderService } from '../uploader/uploader.service';
 import { TranslateService } from '@ngx-translate/core';
 import { Options } from 'sortablejs';
-import { BehaviorSubject } from 'rxjs/internal/BehaviorSubject';
+import { BehaviorSubject } from 'rxjs';
 
 @Component({
   selector: 'ds-chips',

src/app/shared/dso-page/dso-page-edit-button/dso-page-edit-button.component.ts

@@ -1,7 +1,7 @@
 import { Component, Input, OnInit } from '@angular/core';
 import { DSpaceObject } from '../../../core/shared/dspace-object.model';
 import { AuthorizationDataService } from '../../../core/data/feature-authorization/authorization-data.service';
-import { Observable } from 'rxjs/internal/Observable';
+import { Observable } from 'rxjs';
 import { FeatureID } from '../../../core/data/feature-authorization/feature-id';
 
 @Component({

src/app/shared/dso-page/dso-page-version-button/dso-page-version-button.component.ts

@@ -1,11 +1,10 @@
 import { Component, EventEmitter, Input, OnInit, Output } from '@angular/core';
 import { AuthorizationDataService } from '../../../core/data/feature-authorization/authorization-data.service';
-import { Observable } from 'rxjs/internal/Observable';
+import { Observable, of } from 'rxjs';
 import { FeatureID } from '../../../core/data/feature-authorization/feature-id';
 import { VersionHistoryDataService } from '../../../core/data/version-history-data.service';
 import { Item } from '../../../core/shared/item.model';
 import { map, startWith, switchMap } from 'rxjs/operators';
-import { of } from 'rxjs';
 
 @Component({
   selector: 'ds-dso-page-version-button',

src/app/shared/dso-selector/modal-wrappers/export-metadata-selector/export-metadata-selector.component.ts

@@ -1,9 +1,8 @@
 import { Component, OnInit } from '@angular/core';
 import { ActivatedRoute, Router } from '@angular/router';
 import { TranslateService } from '@ngx-translate/core';
-import { Observable } from 'rxjs/internal/Observable';
+import { Observable, of as observableOf } from 'rxjs';
 import { map, switchMap } from 'rxjs/operators';
-import { of as observableOf } from 'rxjs';
 import { METADATA_EXPORT_SCRIPT_NAME, ScriptDataService } from '../../../../core/data/processes/script-data.service';
 import { Collection } from '../../../../core/shared/collection.model';
 import { Community } from '../../../../core/shared/community.model';

src/app/shared/mydspace-actions/claimed-task/approve/claimed-task-actions-approve.component.ts

@@ -1,7 +1,7 @@
 import { Component, Injector } from '@angular/core';
 import { ClaimedTaskActionsAbstractComponent } from '../abstract/claimed-task-actions-abstract.component';
 import { rendersWorkflowTaskOption } from '../switcher/claimed-task-actions-decorator';
-import { Observable } from 'rxjs';
+import { Observable, of } from 'rxjs';
 import { RemoteData } from '../../../../core/data/remote-data';
 import { DSpaceObject } from '../../../../core/shared/dspace-object.model';
 import { Router } from '@angular/router';
@@ -10,7 +10,6 @@ import { TranslateService } from '@ngx-translate/core';
 import { SearchService } from '../../../../core/shared/search/search.service';
 import { RequestService } from '../../../../core/data/request.service';
 import { ClaimedApprovedTaskSearchResult } from '../../../object-collection/shared/claimed-approved-task-search-result.model';
-import { of } from 'rxjs/internal/observable/of';
 
 export const WORKFLOW_TASK_OPTION_APPROVE = 'submit_approve';
 

src/app/shared/mydspace-actions/claimed-task/reject/claimed-task-actions-reject.component.ts

@@ -9,10 +9,9 @@ import { NotificationsService } from '../../../notifications/notifications.servi
 import { TranslateService } from '@ngx-translate/core';
 import { SearchService } from '../../../../core/shared/search/search.service';
 import { RequestService } from '../../../../core/data/request.service';
-import { Observable } from 'rxjs';
+import { Observable, of } from 'rxjs';
 import { RemoteData } from '../../../../core/data/remote-data';
 import { DSpaceObject } from '../../../../core/shared/dspace-object.model';
-import { of } from 'rxjs/internal/observable/of';
 import { ClaimedDeclinedTaskSearchResult } from '../../../object-collection/shared/claimed-declined-task-search-result.model';
 
 export const WORKFLOW_TASK_OPTION_REJECT = 'submit_reject';

src/app/shared/mydspace-actions/mydspace-reloadable-actions.ts

@@ -12,8 +12,7 @@ import { NotificationsService } from '../notifications/notifications.service';
 import { TranslateService } from '@ngx-translate/core';
 import { RequestService } from '../../core/data/request.service';
 import { SearchService } from '../../core/shared/search/search.service';
-import { Observable} from 'rxjs/internal/Observable';
-import { of} from 'rxjs/internal/observable/of';
+import { Observable, of } from 'rxjs';
 import { ProcessTaskResponse } from '../../core/tasks/models/process-task-response';
 import { getFirstCompletedRemoteData } from '../../core/shared/operators';
 import { getSearchResultFor } from '../search/search-result-element-decorator';

src/app/shared/object-collection/shared/listable-object/listable-object-component-loader.component.ts

@@ -20,7 +20,7 @@ import { GenericConstructor } from '../../../../core/shared/generic-constructor'
 import { ListableObjectDirective } from './listable-object.directive';
 import { CollectionElementLinkType } from '../../collection-element-link.type';
 import { hasValue, isNotEmpty } from '../../../empty.util';
-import { Subscription } from 'rxjs/internal/Subscription';
+import { Subscription } from 'rxjs';
 import { DSpaceObject } from '../../../../core/shared/dspace-object.model';
 import { take } from 'rxjs/operators';
 import { ThemeService } from '../../../theme-support/theme.service';

src/app/shared/object-list/sidebar-search-list-element/sidebar-search-list-element.component.ts

@@ -3,14 +3,13 @@ import { DSpaceObject } from '../../../core/shared/dspace-object.model';
 import { SearchResultListElementComponent } from '../search-result-list-element/search-result-list-element.component';
 import { Component } from '@angular/core';
 import { hasValue, isNotEmpty } from '../../empty.util';
-import { Observable } from 'rxjs/internal/Observable';
+import { Observable, of as observableOf } from 'rxjs';
 import { TruncatableService } from '../../truncatable/truncatable.service';
 import { LinkService } from '../../../core/cache/builders/link.service';
 import { find, map } from 'rxjs/operators';
 import { ChildHALResource } from '../../../core/shared/child-hal-resource.model';
 import { followLink } from '../../utils/follow-link-config.model';
 import { RemoteData } from '../../../core/data/remote-data';
-import { of as observableOf } from 'rxjs';
 import { Context } from '../../../core/shared/context.model';
 import { DSONameService } from '../../../core/breadcrumbs/dso-name.service';
 

src/app/shared/object-select/collection-select/collection-select.component.spec.ts

@@ -15,7 +15,7 @@ import { createSuccessfulRemoteDataObject$ } from '../../remote-data.utils';
 import { createPaginatedList } from '../../testing/utils.test';
 import { PaginationService } from '../../../core/pagination/pagination.service';
 import { PaginationServiceStub } from '../../testing/pagination-service.stub';
-import { of as observableOf } from 'rxjs/internal/observable/of';
+import { of as observableOf } from 'rxjs';
 import { AuthorizationDataService } from '../../../core/data/feature-authorization/authorization-data.service';
 
 describe('CollectionSelectComponent', () => {

src/app/shared/testing/utils.test.ts

@@ -1,9 +1,8 @@
 import { ComponentFixture, TestBed } from '@angular/core/testing';
 import { buildPaginatedList, PaginatedList } from '../../core/data/paginated-list.model';
 import { PageInfo } from '../../core/shared/page-info.model';
-import { Observable } from 'rxjs/internal/Observable';
+import { Observable, of as observableOf } from 'rxjs';
 import { RequestEntry, RequestEntryState } from '../../core/data/request.reducer';
-import { of as observableOf } from 'rxjs/internal/observable/of';
 import { UnCacheableObject } from '../../core/shared/uncacheable-object.model';
 
 /**

src/app/shared/theme-support/theme.service.ts

@@ -1,6 +1,6 @@
 import { Injectable, Inject } from '@angular/core';
 import { Store, createFeatureSelector, createSelector, select } from '@ngrx/store';
-import { Observable } from 'rxjs/internal/Observable';
+import { EMPTY, Observable, of as observableOf } from 'rxjs';
 import { ThemeState } from './theme.reducer';
 import { SetThemeAction, ThemeActionTypes } from './theme.actions';
 import { expand, filter, map, switchMap, take, toArray } from 'rxjs/operators';
@@ -12,7 +12,6 @@ import {
   getFirstSucceededRemoteData,
   getRemoteDataPayload
 } from '../../core/shared/operators';
-import { EMPTY, of as observableOf } from 'rxjs';
 import { Theme, ThemeConfig, themeFactory } from '../../../config/theme.model';
 import { NO_OP_ACTION_TYPE, NoOpAction } from '../ngrx/no-op.action';
 import { followLink } from '../utils/follow-link-config.model';

src/app/shared/theme-support/themed.component.ts

@@ -11,9 +11,8 @@ import {
   OnChanges
 } from '@angular/core';
 import { hasValue, isNotEmpty } from '../empty.util';
-import { Observable, of as observableOf, Subscription } from 'rxjs';
+import { from as fromPromise, Observable, of as observableOf, Subscription } from 'rxjs';
 import { ThemeService } from './theme.service';
-import { fromPromise } from 'rxjs/internal-compatibility';
 import { catchError, switchMap, map } from 'rxjs/operators';
 import { GenericConstructor } from '../../core/shared/generic-constructor';