MOBILE-4653 utils: Move object and array related utils functions

src/addons/block/activitymodules/components/activitymodules/activitymodules.ts

@@ -19,7 +19,7 @@ import { CoreBlockBaseComponent } from '@features/block/classes/base-block-compo
 import { CoreSites } from '@services/sites';
 import { ContextLevel, CoreConstants } from '@/core/constants';
 import { Translate } from '@singletons';
-import { CoreUtils } from '@services/utils/utils';
+import { CoreObject } from '@singletons/object';
 import { CoreNavigator } from '@services/navigator';
 import { CoreCourseHelper } from '@features/course/services/course-helper';
 import { CoreUrl } from '@singletons/url';
@@ -106,7 +106,7 @@ export class AddonBlockActivityModulesComponent extends CoreBlockBaseComponent i
         });
 
         // Sort the modnames alphabetically.
-        modFullNames = CoreUtils.sortValues(modFullNames);
+        modFullNames = CoreObject.sortValues(modFullNames);
         for (const modName in modFullNames) {
             const iconModName = modName === 'resources' ? 'page' : modName;
 

src/addons/blog/services/blog.ts

@@ -22,7 +22,7 @@ import { CoreFileEntry, CoreFileHelper } from '@services/file-helper';
 import { CoreNetwork } from '@services/network';
 import { CoreSites, CoreSitesCommonWSOptions } from '@services/sites';
 import { CoreTimeUtils } from '@services/utils/time';
-import { CoreUtils } from '@services/utils/utils';
+import { CoreObject } from '@singletons/object';
 import { CoreStatusWithWarningsWSResponse, CoreWSExternalFile, CoreWSExternalWarning } from '@services/ws';
 import { makeSingleton } from '@singletons';
 import { AddonBlogOffline, AddonBlogOfflineEntry } from './blog-offline';
@@ -63,7 +63,7 @@ export class AddonBlogProvider {
      * @returns Cache key.
      */
     getEntriesCacheKey(filter: AddonBlogFilter = {}): string {
-        return ROOT_CACHE_KEY + CoreUtils.sortAndStringify(filter);
+        return ROOT_CACHE_KEY + CoreObject.sortAndStringify(filter);
     }
 
     /**
@@ -77,7 +77,7 @@ export class AddonBlogProvider {
         const site = await CoreSites.getSite(options?.siteId);
 
         const data: CoreBlogGetEntriesWSParams = {
-            filters: CoreUtils.objectToArrayOfObjects(filter, 'name', 'value'),
+            filters: CoreObject.toArrayOfObjects(filter, 'name', 'value'),
             page: options?.page ?? 0,
             perpage: AddonBlogProvider.ENTRIES_PER_PAGE,
         };
@@ -290,7 +290,7 @@ export class AddonBlogProvider {
         const site = await CoreSites.getSite(siteId);
 
         const data: AddonBlogViewEntriesWSParams = {
-            filters: CoreUtils.objectToArrayOfObjects(filter, 'name', 'value'),
+            filters: CoreObject.toArrayOfObjects(filter, 'name', 'value'),
         };
 
         return site.write('core_blog_view_entries', data);

src/addons/calendar/components/calendar/calendar.ts

@@ -29,7 +29,7 @@ import { CoreEventObserver, CoreEvents } from '@singletons/events';
 import { CoreSites } from '@services/sites';
 import { CoreDomUtils } from '@services/utils/dom';
 import { CoreTimeUtils } from '@services/utils/time';
-import { CoreUtils } from '@services/utils/utils';
+import { CoreArray } from '@singletons/array';
 import {
     AddonCalendar,
     AddonCalendarWeek,
@@ -464,7 +464,7 @@ class AddonCalendarMonthSlidesItemsManagerSource extends CoreSwipeSlidesDynamicI
             const categories = await CoreCourses.getCategories(0, true);
 
             // Index categories by ID.
-            this.categories = CoreUtils.arrayToObject(categories, 'id');
+            this.categories = CoreArray.toObject(categories, 'id');
         } catch {
             // Ignore errors.
         }

src/addons/calendar/components/filter/filter.ts

@@ -14,7 +14,7 @@
 
 import { Component, Input, OnInit } from '@angular/core';
 import { CoreEnrolledCourseData } from '@features/courses/services/courses';
-import { CoreUtils } from '@services/utils/utils';
+import { CoreObject } from '@singletons/object';
 import { ModalController } from '@singletons';
 import { CoreEvents } from '@singletons/events';
 import { AddonCalendarFilter } from '@addons/calendar/services/calendar-helper';
@@ -54,7 +54,7 @@ export class AddonCalendarFilterComponent implements OnInit {
     sortedCourses: CoreEnrolledCourseData[] = [];
 
     constructor() {
-        CoreUtils.enumKeys(AddonCalendarEventType).forEach((name) => {
+        CoreObject.enumKeys(AddonCalendarEventType).forEach((name) => {
             const value = AddonCalendarEventType[name];
             this.typeIcons[value] = AddonCalendarEventIcons[name];
             this.types.push(value);

src/addons/calendar/pages/day/day.ts

@@ -33,7 +33,7 @@ import { NgZone, Translate } from '@singletons';
 import { CoreNavigator } from '@services/navigator';
 import { Params } from '@angular/router';
 import { Subscription } from 'rxjs';
-import { CoreUtils } from '@services/utils/utils';
+import { CoreArray } from '@singletons/array';
 import { CoreConstants } from '@/core/constants';
 import { CoreSwipeSlidesDynamicItemsManager } from '@classes/items-management/swipe-slides-dynamic-items-manager';
 import { CoreSwipeSlidesComponent } from '@components/swipe-slides/swipe-slides';
@@ -58,6 +58,7 @@ import {
     ADDON_CALENDAR_UNDELETED_EVENT_EVENT,
     AddonCalendarEventType,
 } from '@addons/calendar/constants';
+import { CoreObject } from '@singletons/object';
 
 /**
  * Page that displays the calendar events for a certain day.
@@ -221,7 +222,7 @@ export class AddonCalendarDayPage implements OnInit, OnDestroy {
     ngOnInit(): void {
         const types: string[] = [];
 
-        CoreUtils.enumKeys(AddonCalendarEventType).forEach((name) => {
+        CoreObject.enumKeys(AddonCalendarEventType).forEach((name) => {
             const value = AddonCalendarEventType[name];
             this.filter[name] = CoreNavigator.getRouteBooleanParam(name) ?? true;
             types.push(value);
@@ -606,7 +607,7 @@ class AddonCalendarDaySlidesItemsManagerSource extends CoreSwipeSlidesDynamicIte
             const categories = await CoreCourses.getCategories(0, true);
 
             // Index categories by ID.
-            this.categories = CoreUtils.arrayToObject(categories, 'id');
+            this.categories = CoreArray.toObject(categories, 'id');
         } catch {
             // Ignore errors.
         }

src/addons/calendar/services/calendar-helper.ts

@@ -25,7 +25,7 @@ import {
     AddonCalendarWeekDay,
 } from './calendar';
 import { CoreConfig } from '@services/config';
-import { CoreUtils } from '@services/utils/utils';
+import { CoreObject } from '@singletons/object';
 import { CoreCourse } from '@features/course/services/course';
 import { ContextLevel, CoreConstants } from '@/core/constants';
 import moment from 'moment-timezone';
@@ -61,7 +61,7 @@ export class AddonCalendarHelperProvider {
      */
     getEventIcon(eventType: AddonCalendarEventType | string): string {
         if (this.eventTypeIcons.length == 0) {
-            CoreUtils.enumKeys(AddonCalendarEventType).forEach((name) => {
+            CoreObject.enumKeys(AddonCalendarEventType).forEach((name) => {
                 const value = AddonCalendarEventType[name];
                 this.eventTypeIcons[value] = AddonCalendarEventIcons[name];
             });

src/addons/calendar/services/calendar-offline.ts

@@ -15,7 +15,7 @@
 import { Injectable } from '@angular/core';
 import { SQLiteDBRecordValues } from '@classes/sqlitedb';
 import { CoreSites } from '@services/sites';
-import { CoreUtils } from '@services/utils/utils';
+import { CoreArray } from '@singletons/array';
 import { makeSingleton } from '@singletons';
 import { AddonCalendarSubmitCreateUpdateFormDataWSParams } from './calendar';
 import {
@@ -62,7 +62,7 @@ export class AddonCalendarOfflineProvider {
 
         const result = await Promise.all(promises);
 
-        return CoreUtils.mergeArraysWithoutDuplicates(result[0], result[1]);
+        return CoreArray.mergeWithoutDuplicates(result[0], result[1]);
     }
 
     /**

src/addons/calendar/services/calendar.ts

@@ -19,7 +19,7 @@ import { CoreNetwork } from '@services/network';
 import { CoreText } from '@singletons/text';
 import { CoreTimeUtils } from '@services/utils/time';
 import { CoreUrl } from '@singletons/url';
-import { CoreUtils } from '@services/utils/utils';
+import { CoreObject } from '@singletons/object';
 import { CoreGroups } from '@services/groups';
 import { CoreLocalNotifications } from '@services/local-notifications';
 import { CoreConfig } from '@services/config';
@@ -1578,7 +1578,7 @@ export class AddonCalendarProvider {
         }
 
         const params: AddonCalendarSubmitCreateUpdateFormWSParams = {
-            formdata: CoreUtils.objectToGetParams(formData),
+            formdata: CoreObject.toGetParams(formData),
         };
         const result =
             await site.write<AddonCalendarSubmitCreateUpdateFormWSResponse>('core_calendar_submit_create_update_form', params);

src/addons/mod/assign/services/assign-helper.ts

@@ -27,7 +27,7 @@ import {
     AddonModAssignSubmissionStatusValues,
 } from './assign';
 import { AddonModAssignOffline } from './assign-offline';
-import { CoreUtils } from '@services/utils/utils';
+import { CoreObject } from '@singletons/object';
 import { CoreFile } from '@services/file';
 import { CoreCourseCommonModWSOptions } from '@features/course/services/course';
 import { CoreGroups } from '@services/groups';
@@ -314,7 +314,7 @@ export class AddonModAssignHelperProvider {
 
         await Promise.all(promises);
 
-        return CoreUtils.objectToArray(participantsIndexed);
+        return CoreObject.toArray(participantsIndexed);
     }
 
     /**

src/addons/mod/bigbluebuttonbn/components/index/index.ts

@@ -23,7 +23,7 @@ import { CoreSites } from '@services/sites';
 import { CoreDomUtils } from '@services/utils/dom';
 import { CoreText } from '@singletons/text';
 import { CoreTimeUtils } from '@services/utils/time';
-import { CoreUtils } from '@services/utils/utils';
+import { CoreArray } from '@singletons/array';
 import { Translate } from '@singletons';
 import {
     AddonModBBB,
@@ -146,7 +146,7 @@ export class AddonModBBBIndexComponent extends CoreCourseModuleMainActivityCompo
         const recordingsTable = await AddonModBBB.getRecordings(this.bbb.id, this.groupId, {
             cmId: this.module.id,
         });
-        const columns = CoreUtils.arrayToObject(recordingsTable.columns, 'key');
+        const columns = CoreArray.toObject(recordingsTable.columns, 'key');
 
         this.recordings = recordingsTable.parsedData.map(recordingData => {
             const details: RecordingDetail[] = [];

src/addons/mod/bigbluebuttonbn/services/bigbluebuttonbn.ts

@@ -20,7 +20,7 @@ import { CoreCourseCommonModWSOptions } from '@features/course/services/course';
 import { CoreCourseLogHelper } from '@features/course/services/log-helper';
 import { CoreSites, CoreSitesCommonWSOptions } from '@services/sites';
 import { CoreText } from '@singletons/text';
-import { CoreUtils } from '@services/utils/utils';
+import { CoreObject } from '@singletons/object';
 import { CoreWSExternalFile, CoreWSExternalWarning } from '@services/ws';
 import { makeSingleton, Translate } from '@singletons';
 import { ADDON_MOD_BBB_COMPONENT } from '../constants';
@@ -182,7 +182,7 @@ export class AddonModBBBService {
 
         return {
             ...meetingInfo,
-            features: meetingInfo.features ? CoreUtils.objectToKeyValueMap(meetingInfo.features, 'name', 'isenabled') : undefined,
+            features: meetingInfo.features ? CoreObject.toKeyValueMap(meetingInfo.features, 'name', 'isenabled') : undefined,
         };
     }
 

src/addons/mod/data/components/index/index.ts

@@ -26,7 +26,7 @@ import { CoreNavigator } from '@services/navigator';
 import { CoreSites } from '@services/sites';
 import { CoreDomUtils } from '@services/utils/dom';
 import { CoreTimeUtils } from '@services/utils/time';
-import { CoreUtils } from '@services/utils/utils';
+import { CoreArray } from '@singletons/array';
 import { CoreEventObserver, CoreEvents } from '@singletons/events';
 import {
     AddonModData,
@@ -53,6 +53,7 @@ import {
 } from '../../constants';
 import { CoreModals } from '@services/modals';
 import { CorePromiseUtils } from '@singletons/promise-utils';
+import { CoreObject } from '@singletons/object';
 
 const contentToken = '<!-- CORE-DATABASE-CONTENT-GOES-HERE -->';
 
@@ -269,8 +270,8 @@ export class AddonModDataIndexComponent extends CoreCourseModuleMainActivityComp
         const fields = await AddonModData.getFields(this.database.id, { cmId: this.module.id });
         this.search.advanced = [];
 
-        this.fields = CoreUtils.arrayToObject(fields, 'id');
+        this.fields = CoreArray.toObject(fields, 'id');
-        this.fieldsArray = CoreUtils.objectToArray(this.fields);
+        this.fieldsArray = CoreObject.toArray(this.fields);
         if (this.fieldsArray.length == 0) {
             canSearch = false;
             canAdd = false;

src/addons/mod/data/components/search-modal/search-modal.ts

@@ -18,7 +18,7 @@ import { CoreTag } from '@features/tag/services/tag';
 import { CoreSites } from '@services/sites';
 import { CoreFormFields, CoreForms } from '@singletons/form';
 import { CoreText } from '@singletons/text';
-import { CoreUtils } from '@services/utils/utils';
+import { CoreObject } from '@singletons/object';
 import { ModalController } from '@singletons';
 import {
     AddonModDataField,
@@ -89,7 +89,7 @@ export class AddonModDataSearchModalComponent implements OnInit {
         this.searchForm.addControl('firstname', this.fb.control(this.advancedIndexed['firstname'] || ''));
         this.searchForm.addControl('lastname', this.fb.control(this.advancedIndexed['lastname'] || ''));
 
-        this.fieldsArray = CoreUtils.objectToArray(this.fields);
+        this.fieldsArray = CoreObject.toArray(this.fields);
         this.advancedSearch = this.renderAdvancedSearchFields();
     }
 

src/addons/mod/data/pages/edit/edit.ts

@@ -46,6 +46,7 @@ import { CoreAnalytics, CoreAnalyticsEventType } from '@services/analytics';
 import { ADDON_MOD_DATA_COMPONENT, ADDON_MOD_DATA_ENTRY_CHANGED, AddonModDataTemplateType } from '../../constants';
 import { CoreLoadings } from '@services/loadings';
 import { CoreWSError } from '@classes/errors/wserror';
+import { CoreArray } from '@singletons/array';
 
 /**
  * Page that displays the view edit page.
@@ -180,7 +181,7 @@ export class AddonModDataEditPage implements OnInit {
             this.cssClass = 'addon-data-entries-' + this.database.id;
 
             this.fieldsArray = await AddonModData.getFields(this.database.id, { cmId: this.moduleId });
-            this.fields = CoreUtils.arrayToObject(this.fieldsArray, 'id');
+            this.fields = CoreArray.toObject(this.fieldsArray, 'id');
 
             const entry = await AddonModDataHelper.fetchEntry(this.database, this.fieldsArray, this.entryId || 0);
             this.entry = entry.entry;

src/addons/mod/data/pages/entry/entry.ts

@@ -22,7 +22,7 @@ import { CoreGroups, CoreGroupInfo } from '@services/groups';
 import { CoreNavigator } from '@services/navigator';
 import { CoreSites } from '@services/sites';
 import { CoreDomUtils } from '@services/utils/dom';
-import { CoreUtils } from '@services/utils/utils';
+import { CoreArray } from '@singletons/array';
 import { CoreEventObserver, CoreEvents } from '@singletons/events';
 import { AddonModDataComponentsCompileModule } from '../../components/components-compile.module';
 import {
@@ -183,7 +183,7 @@ export class AddonModDataEntryPage implements OnInit, OnDestroy {
             this.title = this.database.name || this.title;
 
             this.fieldsArray = await AddonModData.getFields(this.database.id, { cmId: this.moduleId });
-            this.fields = CoreUtils.arrayToObject(this.fieldsArray, 'id');
+            this.fields = CoreArray.toObject(this.fieldsArray, 'id');
 
             await this.setEntryFromOffset();
 

src/addons/mod/data/services/data-sync.ts

@@ -26,7 +26,7 @@ import { CoreFileEntry } from '@services/file-helper';
 import { CoreSites, CoreSitesReadingStrategy } from '@services/sites';
 import { CoreSync, CoreSyncResult } from '@services/sync';
 import { CoreErrorHelper } from '@services/error-helper';
-import { CoreUtils } from '@services/utils/utils';
+import { CoreObject } from '@singletons/object';
 import { Translate, makeSingleton } from '@singletons';
 import { CoreEvents } from '@singletons/events';
 import { AddonModData, AddonModDataData } from './data';
@@ -206,7 +206,7 @@ export class AddonModDataSyncProvider extends CoreCourseActivitySyncBaseProvider
             offlineEntries[entry.entryid].push(entry);
         });
 
-        const promises = CoreUtils.objectToArray(offlineEntries).map((entryActions) =>
+        const promises = CoreObject.toArray(offlineEntries).map((entryActions) =>
             this.syncEntry(database, entryActions, result, siteId));
 
         await Promise.all(promises);

src/addons/mod/data/services/data.ts

@@ -22,7 +22,7 @@ import { CoreNetwork } from '@services/network';
 import { CoreFileEntry } from '@services/file-helper';
 import { CoreFilepool } from '@services/filepool';
 import { CoreSites, CoreSitesCommonWSOptions, CoreSitesReadingStrategy } from '@services/sites';
-import { CoreUtils } from '@services/utils/utils';
+import { CoreArray } from '@singletons/array';
 import { CoreWSExternalFile, CoreWSExternalWarning } from '@services/ws';
 import { makeSingleton, Translate } from '@singletons';
 import { AddonModDataFieldsDelegate } from './data-fields-delegate';
@@ -251,7 +251,7 @@ export class AddonModDataProvider {
      */
     protected checkFields(fields: AddonModDataField[], contents: AddonModDataSubfieldData[]): AddonModDataFieldNotification[] {
         const notifications: AddonModDataFieldNotification[] = [];
-        const contentsIndexed = CoreUtils.arrayToObjectMultiple(contents, 'fieldid');
+        const contentsIndexed = CoreArray.toObjectMultiple(contents, 'fieldid');
 
         // App is offline, check required fields.
         fields.forEach((field) => {
@@ -741,7 +741,7 @@ export class AddonModDataProvider {
      */
     protected formatEntryContents(entry: AddonModDataEntryWS): AddonModDataEntry {
         return Object.assign(entry, {
-            contents: CoreUtils.arrayToObject(entry.contents, 'fieldid'),
+            contents: CoreArray.toObject(entry.contents, 'fieldid'),
         });
     }
 

src/addons/mod/data/services/handlers/prefetch-lazy.ts

@@ -20,7 +20,7 @@ import { CoreFilepool } from '@services/filepool';
 import { CoreGroup, CoreGroups } from '@services/groups';
 import { CoreSitesCommonWSOptions, CoreSites, CoreSitesReadingStrategy } from '@services/sites';
 import { CoreTimeUtils } from '@services/utils/time';
-import { CoreUtils } from '@services/utils/utils';
+import { CoreObject } from '@singletons/object';
 import { CoreWSFile } from '@services/ws';
 import { makeSingleton } from '@singletons';
 import { AddonModDataEntry, AddonModData, AddonModDataData } from '../data';
@@ -63,7 +63,7 @@ export class AddonModDataPrefetchHandlerLazyService extends AddonModDataPrefetch
             });
         });
 
-        return CoreUtils.objectToArray(uniqueEntries);
+        return CoreObject.toArray(uniqueEntries);
     }
 
     /**
@@ -133,7 +133,7 @@ export class AddonModDataPrefetchHandlerLazyService extends AddonModDataPrefetch
         let files: CoreWSFile[] = [];
 
         entries.forEach((entry) => {
-            CoreUtils.objectToArray(entry.contents).forEach((content) => {
+            CoreObject.toArray(entry.contents).forEach((content) => {
                 files = files.concat(<CoreWSFile[]>content.files);
             });
         });

src/addons/mod/feedback/pages/form/form.ts

@@ -46,6 +46,7 @@ import { CoreLoadings } from '@services/loadings';
 import { CoreError } from '@classes/errors/error';
 import { CorePromiseUtils } from '@singletons/promise-utils';
 import { CoreWSError } from '@classes/errors/wserror';
+import { CoreObject } from '@singletons/object';
 
 /**
  * Page that displays feedback form.
@@ -158,7 +159,7 @@ export class AddonModFeedbackFormPage implements OnInit, OnDestroy, CanLeave {
 
             if (this.items && !this.completed && this.originalData) {
                 // Form submitted. Check if there is any change.
-                if (!CoreUtils.basicLeftCompare(responses, this.originalData, 3)) {
+                if (!CoreObject.basicLeftCompare(responses, this.originalData, 3)) {
                     await CoreDomUtils.showConfirm(Translate.instant('core.confirmcanceledit'));
                 }
             }

src/addons/mod/feedback/services/feedback.ts

@@ -19,7 +19,7 @@ import { CoreCourseLogHelper } from '@features/course/services/log-helper';
 import { CoreNetwork } from '@services/network';
 import { CoreFilepool } from '@services/filepool';
 import { CoreSites, CoreSitesCommonWSOptions, CoreSitesReadingStrategy } from '@services/sites';
-import { CoreUtils } from '@services/utils/utils';
+import { CoreObject } from '@singletons/object';
 import { CoreWSExternalFile, CoreWSExternalWarning, CoreWSStoredFile } from '@services/ws';
 import { makeSingleton, Translate } from '@singletons';
 import { AddonModFeedbackOffline } from './feedback-offline';
@@ -170,7 +170,7 @@ export class AddonModFeedbackProvider {
 
         // Merge all values into one array.
         const offlineValuesArray = offlineResponses.reduce((array, entry) => {
-            const responses = <OfflineResponsesArray> CoreUtils.objectToArrayOfObjects(entry.responses, 'id', 'value');
+            const responses = <OfflineResponsesArray> CoreObject.toArrayOfObjects(entry.responses, 'id', 'value');
 
             return array.concat(responses);
         }, <OfflineResponsesArray> []).map((valueEntry) => {
@@ -1228,7 +1228,7 @@ export class AddonModFeedbackProvider {
         const params: AddonModFeedbackProcessPageWSParams = {
             feedbackid: feedbackId,
             page: page,
-            responses: CoreUtils.objectToArrayOfObjects(responses, 'name', 'value'),
+            responses: CoreObject.toArrayOfObjects(responses, 'name', 'value'),
             goprevious: goPrevious,
         };
 

src/addons/mod/forum/pages/discussion/discussion.ts

@@ -63,6 +63,7 @@ import { CoreCourseContentsPage } from '@features/course/pages/contents/contents
 import { CoreToasts } from '@services/toasts';
 import { CoreLoadings } from '@services/loadings';
 import { CorePromiseUtils } from '@singletons/promise-utils';
+import { CoreObject } from '@singletons/object';
 
 type SortType = 'flat-newest' | 'flat-oldest' | 'nested';
 
@@ -463,7 +464,7 @@ export class AddonModForumDiscussionPage implements OnInit, AfterViewInit, OnDes
             await Promise.all(convertPromises);
 
             // Convert back to array.
-            onlinePosts = CoreUtils.objectToArray(onlinePostsMap);
+            onlinePosts = CoreObject.toArray(onlinePostsMap);
 
             let posts = offlineReplies.concat(onlinePosts);
 

src/addons/mod/forum/services/forum.ts

@@ -52,6 +52,7 @@ import {
 import { CoreCacheUpdateFrequency } from '@/core/constants';
 import { CorePromiseUtils } from '@singletons/promise-utils';
 import { CoreWSError } from '@classes/errors/wserror';
+import { CoreObject } from '@singletons/object';
 
 declare module '@singletons/events' {
 
@@ -221,7 +222,7 @@ export class AddonModForumProvider {
             message: message,
 
             // eslint-disable-next-line max-len
-            options: CoreUtils.objectToArrayOfObjects<AddonModForumAddDiscussionWSOptionsArray[0], AddonModForumAddDiscussionWSOptionsObject>(
+            options: CoreObject.toArrayOfObjects<AddonModForumAddDiscussionWSOptionsArray[0], AddonModForumAddDiscussionWSOptionsObject>(
                 options || {},
                 'name',
                 'value',
@@ -1147,7 +1148,7 @@ export class AddonModForumProvider {
             subject: subject,
             message: message,
 
-            options: CoreUtils.objectToArrayOfObjects<
+            options: CoreObject.toArrayOfObjects<
             AddonModForumAddDiscussionPostWSOptionsArray[0],
             AddonModForumAddDiscussionPostWSOptionsObject
             >(
@@ -1277,7 +1278,7 @@ export class AddonModForumProvider {
             }
         });
 
-        CoreUser.storeUsers(CoreUtils.objectToArray(users));
+        CoreUser.storeUsers(CoreObject.toArray(users));
     }
 
     /**
@@ -1332,7 +1333,7 @@ export class AddonModForumProvider {
             subject: subject,
             message: message,
 
-            options: CoreUtils.objectToArrayOfObjects<
+            options: CoreObject.toArrayOfObjects<
             AddonModForumUpdateDiscussionPostWSOptionsArray[0],
             AddonModForumUpdateDiscussionPostWSOptionsObject
             >(

src/addons/mod/glossary/services/glossary.ts

@@ -22,7 +22,7 @@ import { CoreRatingInfo } from '@features/rating/services/rating';
 import { CoreTagItem } from '@features/tag/services/tag';
 import { CoreNetwork } from '@services/network';
 import { CoreSites, CoreSitesCommonWSOptions, CoreSitesReadingStrategy } from '@services/sites';
-import { CoreUtils } from '@services/utils/utils';
+import { CoreObject } from '@singletons/object';
 import { CoreWSExternalFile, CoreWSExternalWarning } from '@services/ws';
 import { makeSingleton, Translate } from '@singletons';
 import { CoreEvents } from '@singletons/events';
@@ -911,7 +911,7 @@ export class AddonModGlossaryProvider {
             concept: concept,
             definition: definition,
             definitionformat: 1,
-            options: CoreUtils.objectToArrayOfObjects(options || {}, 'name', 'value'),
+            options: CoreObject.toArrayOfObjects(options || {}, 'name', 'value'),
         };
 
         if (attachId) {
@@ -955,7 +955,7 @@ export class AddonModGlossaryProvider {
             concept: concept,
             definition: definition,
             definitionformat: 1,
-            options: CoreUtils.objectToArrayOfObjects(options || {}, 'name', 'value'),
+            options: CoreObject.toArrayOfObjects(options || {}, 'name', 'value'),
         };
 
         if (attachId) {

src/addons/mod/lesson/pages/player/player.ts

@@ -24,7 +24,7 @@ import { CoreSites, CoreSitesCommonWSOptions, CoreSitesReadingStrategy } from '@
 import { CoreSync } from '@services/sync';
 import { CoreDomUtils } from '@services/utils/dom';
 import { CoreUrl } from '@singletons/url';
-import { CoreUtils } from '@services/utils/utils';
+import { CoreObject } from '@singletons/object';
 import { CoreWSExternalFile } from '@services/ws';
 import { ModalController, Translate } from '@singletons';
 import { CoreEvents } from '@singletons/events';
@@ -171,7 +171,7 @@ export class AddonModLessonPlayerPage implements OnInit, OnDestroy, CanLeave {
 
         if (this.question && !this.eolData && !this.processData && this.originalData) {
             // Question shown. Check if there is any change.
-            if (!CoreUtils.basicLeftCompare(this.questionForm.getRawValue(), this.originalData, 3)) {
+            if (!CoreObject.basicLeftCompare(this.questionForm.getRawValue(), this.originalData, 3)) {
                 await CoreDomUtils.showConfirm(Translate.instant('core.confirmcanceledit'));
             }
         }

src/addons/mod/lesson/services/lesson-offline.ts

@@ -17,7 +17,7 @@ import { CoreSites } from '@services/sites';
 import { CoreFormFields } from '@singletons/form';
 import { CoreText } from '@singletons/text';
 import { CoreTimeUtils } from '@services/utils/time';
-import { CoreUtils } from '@services/utils/utils';
+import { CoreObject } from '@singletons/object';
 import { makeSingleton } from '@singletons';
 import {
     AddonModLessonPageAttemptDBRecord,
@@ -152,7 +152,7 @@ export class AddonModLessonOfflineProvider {
         this.getLessonsFromEntries(lessons, pageAttempts || []);
         this.getLessonsFromEntries(lessons, retakes || []);
 
-        return CoreUtils.objectToArray(lessons);
+        return CoreObject.toArray(lessons);
     }
 
     /**

src/addons/mod/lesson/services/lesson.ts

@@ -37,6 +37,8 @@ import {
 import { CoreGradeType } from '@features/grades/constants';
 import { CoreCacheUpdateFrequency } from '@/core/constants';
 import { CorePromiseUtils } from '@singletons/promise-utils';
+import { CoreObject } from '@singletons/object';
+import { CoreArray } from '@singletons/array';
 
 declare module '@singletons/events' {
 
@@ -286,7 +288,7 @@ export class AddonModLessonProvider {
         const validPages = {};
         let pageId = accessInfo.firstpageid;
 
-        viewedPagesIds = CoreUtils.mergeArraysWithoutDuplicates(viewedPagesIds, viewedContentPagesIds);
+        viewedPagesIds = CoreArray.mergeWithoutDuplicates(viewedPagesIds, viewedContentPagesIds);
 
         // Filter out the following pages:
         // - End of Cluster
@@ -398,11 +400,11 @@ export class AddonModLessonProvider {
         // The name was changed to "answer_editor" in 3.7. Before it was just "answer". Support both cases.
         if (data['answer_editor[text]'] !== undefined) {
             studentAnswer = data['answer_editor[text]'];
-        } else if (typeof data.answer_editor == 'object') {
+        } else if (typeof data.answer_editor === 'object') {
             studentAnswer = (<{text: string}> data.answer_editor).text;
         } else if (data['answer[text]'] !== undefined) {
             studentAnswer = data['answer[text]'];
-        } else if (typeof data.answer == 'object') {
+        } else if (typeof data.answer === 'object') {
             studentAnswer = (<{text: string}> data.answer).text;
         } else {
             studentAnswer = data.answer;
@@ -3087,7 +3089,7 @@ export class AddonModLessonProvider {
         const params: AddonModLessonProcessPageWSParams = {
             lessonid: lessonId,
             pageid: pageId,
-            data: CoreUtils.objectToArrayOfObjects<ProcessPageData>(data, 'name', 'value', true),
+            data: CoreObject.toArrayOfObjects<ProcessPageData>(data, 'name', 'value', true),
             review: !!options.review,
         };
 

src/addons/mod/quiz/services/quiz.ts

@@ -53,6 +53,8 @@ import {
 } from '../constants';
 import { CoreIonicColorNames } from '@singletons/colors';
 import { CoreCacheUpdateFrequency } from '@/core/constants';
+import { CoreObject } from '@singletons/object';
+import { CoreArray } from '@singletons/array';
 
 declare module '@singletons/events' {
 
@@ -227,7 +229,7 @@ export class AddonModQuizProvider {
         const params: AddonModQuizGetAttemptDataWSParams = {
             attemptid: attemptId,
             page: page,
-            preflightdata: CoreUtils.objectToArrayOfObjects<AddonModQuizPreflightDataWSParam>(
+            preflightdata: CoreObject.toArrayOfObjects<AddonModQuizPreflightDataWSParam>(
                 preflightData,
                 'name',
                 'value',
@@ -550,7 +552,7 @@ export class AddonModQuizProvider {
 
         const params: AddonModQuizGetAttemptSummaryWSParams = {
             attemptid: attemptId,
-            preflightdata: CoreUtils.objectToArrayOfObjects<AddonModQuizPreflightDataWSParam>(
+            preflightdata: CoreObject.toArrayOfObjects<AddonModQuizPreflightDataWSParam>(
                 preflightData,
                 'name',
                 'value',
@@ -629,8 +631,8 @@ export class AddonModQuizProvider {
 
         // Convert the arrays to objects with name -> value.
         return {
-            someoptions: <Record<string, number>> CoreUtils.objectToKeyValueMap(response.someoptions, 'name', 'value'),
+            someoptions: <Record<string, number>> CoreObject.toKeyValueMap(response.someoptions, 'name', 'value'),
-            alloptions: <Record<string, number>> CoreUtils.objectToKeyValueMap(response.alloptions, 'name', 'value'),
+            alloptions: <Record<string, number>> CoreObject.toKeyValueMap(response.alloptions, 'name', 'value'),
             warnings: response.warnings,
         };
     }
@@ -1640,7 +1642,7 @@ export class AddonModQuizProvider {
         const params: AddonModQuizViewAttemptWSParams = {
             attemptid: attemptId,
             page: page,
-            preflightdata: CoreUtils.objectToArrayOfObjects<AddonModQuizPreflightDataWSParam>(
+            preflightdata: CoreObject.toArrayOfObjects<AddonModQuizPreflightDataWSParam>(
                 preflightData,
                 'name',
                 'value',
@@ -1695,7 +1697,7 @@ export class AddonModQuizProvider {
     ): Promise<void> {
         const params: AddonModQuizViewAttemptSummaryWSParams = {
             attemptid: attemptId,
-            preflightdata: CoreUtils.objectToArrayOfObjects<AddonModQuizPreflightDataWSParam>(
+            preflightdata: CoreObject.toArrayOfObjects<AddonModQuizPreflightDataWSParam>(
                 preflightData,
                 'name',
                 'value',
@@ -1785,10 +1787,10 @@ export class AddonModQuizProvider {
 
         const params: AddonModQuizProcessAttemptWSParams = {
             attemptid: attemptId,
-            data: CoreUtils.objectToArrayOfObjects(data, 'name', 'value'),
+            data: CoreObject.toArrayOfObjects(data, 'name', 'value'),
             finishattempt: !!finish,
             timeup: !!timeUp,
-            preflightdata: CoreUtils.objectToArrayOfObjects<AddonModQuizPreflightDataWSParam>(
+            preflightdata: CoreObject.toArrayOfObjects<AddonModQuizPreflightDataWSParam>(
                 preflightData,
                 'name',
                 'value',
@@ -1834,7 +1836,7 @@ export class AddonModQuizProvider {
         });
 
         // Convert the question array to an object.
-        const questions = CoreUtils.arrayToObject(questionsArray, 'slot');
+        const questions = CoreArray.toObject(questionsArray, 'slot');
 
         return AddonModQuizOffline.processAttempt(quiz, attempt, questions, data, finish, siteId);
     }
@@ -1939,8 +1941,8 @@ export class AddonModQuizProvider {
 
         const params: AddonModQuizSaveAttemptWSParams = {
             attemptid: attemptId,
-            data: CoreUtils.objectToArrayOfObjects(data, 'name', 'value'),
+            data: CoreObject.toArrayOfObjects(data, 'name', 'value'),
-            preflightdata: CoreUtils.objectToArrayOfObjects<AddonModQuizPreflightDataWSParam>(
+            preflightdata: CoreObject.toArrayOfObjects<AddonModQuizPreflightDataWSParam>(
                 preflightData,
                 'name',
                 'value',
@@ -1995,7 +1997,7 @@ export class AddonModQuizProvider {
 
         const params: AddonModQuizStartAttemptWSParams = {
             quizid: quizId,
-            preflightdata: CoreUtils.objectToArrayOfObjects<AddonModQuizPreflightDataWSParam>(
+            preflightdata: CoreObject.toArrayOfObjects<AddonModQuizPreflightDataWSParam>(
                 preflightData,
                 'name',
                 'value',

src/addons/mod/scorm/components/index/index.ts

@@ -22,7 +22,7 @@ import { IonContent } from '@ionic/angular';
 import { CoreNavigator } from '@services/navigator';
 import { CoreSync } from '@services/sync';
 import { CoreDomUtils } from '@services/utils/dom';
-import { CoreUtils } from '@services/utils/utils';
+import { CoreObject } from '@singletons/object';
 import { Translate } from '@singletons';
 import { CoreEventObserver, CoreEvents } from '@singletons/events';
 import { AddonModScormPrefetchHandler } from '../../services/handlers/prefetch';
@@ -340,8 +340,8 @@ export class AddonModScormIndexComponent extends CoreCourseModuleMainActivityCom
         this.grade = AddonModScorm.calculateScormGrade(scorm, onlineAttempts);
 
         // Add the attempts to the SCORM in array format in ASC order, and format the grades.
-        this.onlineAttempts = CoreUtils.objectToArray(onlineAttempts);
+        this.onlineAttempts = CoreObject.toArray(onlineAttempts);
-        this.offlineAttempts = CoreUtils.objectToArray(offlineAttempts);
+        this.offlineAttempts = CoreObject.toArray(offlineAttempts);
         this.onlineAttempts.sort((a, b) => a.num - b.num);
         this.offlineAttempts.sort((a, b) => a.num - b.num);
 

src/addons/mod/scorm/services/scorm.ts

@@ -23,7 +23,7 @@ import { CoreSync } from '@services/sync';
 import { CoreText } from '@singletons/text';
 import { CoreTimeUtils } from '@services/utils/time';
 import { CoreUrl } from '@singletons/url';
-import { CoreUtils } from '@services/utils/utils';
+import { CoreObject } from '@singletons/object';
 import { CoreWS, CoreWSExternalFile, CoreWSExternalWarning, CoreWSFile, CoreWSPreSets } from '@services/ws';
 import { makeSingleton, Translate } from '@singletons';
 import { CoreEvents } from '@singletons/events';
@@ -808,12 +808,12 @@ export class AddonModScormProvider {
         response.data.forEach((sco) => {
             data[sco.scoid] = {
                 scoid: sco.scoid,
-                defaultdata: <Record<string, AddonModScormDataValue>> CoreUtils.objectToKeyValueMap(
+                defaultdata: <Record<string, AddonModScormDataValue>> CoreObject.toKeyValueMap(
                     sco.defaultdata,
                     'element',
                     'value',
                 ),
-                userdata: <Record<string, AddonModScormDataValue>> CoreUtils.objectToKeyValueMap(sco.userdata, 'element', 'value'),
+                userdata: <Record<string, AddonModScormDataValue>> CoreObject.toKeyValueMap(sco.userdata, 'element', 'value'),
             };
 
         });
@@ -1114,7 +1114,7 @@ export class AddonModScormProvider {
         }
 
         if (response.options) {
-            const scormOptions = CoreUtils.objectToKeyValueMap(response.options, 'name', 'value');
+            const scormOptions = CoreObject.toKeyValueMap(response.options, 'name', 'value');
 
             if (scormOptions.scormstandard) {
                 currentScorm.scormStandard = Number(scormOptions.scormstandard);

src/addons/mod/workshop/components/assessment-strategy/assessment-strategy.ts

@@ -45,6 +45,7 @@ import { toBoolean } from '@/core/transforms/boolean';
 import { CoreLoadings } from '@services/loadings';
 import { CorePromiseUtils } from '@singletons/promise-utils';
 import { CoreWSError } from '@classes/errors/wserror';
+import { CoreObject } from '@singletons/object';
 
 /**
  * Component that displays workshop assessment strategy form.
@@ -188,7 +189,7 @@ export class AddonModWorkshopAssessmentStrategyComponent implements OnInit, OnDe
 
                 // Override assessment plugins values.
                 this.data.assessment.form.current = AddonModWorkshop.parseFields(
-                    CoreUtils.objectToArrayOfObjects(offlineData, 'name', 'value'),
+                    CoreObject.toArrayOfObjects(offlineData, 'name', 'value'),
                 );
 
                 // Override offline files.

src/addons/mod/workshop/components/index/index.ts

@@ -22,7 +22,7 @@ import { CoreGroupInfo, CoreGroups } from '@services/groups';
 import { CoreNavigator } from '@services/navigator';
 import { CorePlatform } from '@services/platform';
 import { CoreModals } from '@services/modals';
-import { CoreUtils } from '@services/utils/utils';
+import { CoreObject } from '@singletons/object';
 import { CoreEventObserver, CoreEvents } from '@singletons/events';
 import { Subscription } from 'rxjs';
 import {
@@ -405,7 +405,7 @@ export class AddonModWorkshopIndexComponent extends CoreCourseModuleMainActivity
         const modalData = await CoreModals.openModal<boolean>({
             component: AddonModWorkshopPhaseInfoModalComponent,
             componentProps: {
-                phases: CoreUtils.objectToArray(this.phases),
+                phases: CoreObject.toArray(this.phases),
                 workshopPhase: this.workshop.phase,
                 externalUrl: this.module.url,
                 showSubmit: this.showSubmit,

src/addons/mod/workshop/services/handlers/prefetch-lazy.ts

@@ -20,7 +20,7 @@ import { CoreUser } from '@features/user/services/user';
 import { CoreFilepool } from '@services/filepool';
 import { CoreGroup, CoreGroups } from '@services/groups';
 import { CoreSites, CoreSitesReadingStrategy, CoreSitesCommonWSOptions } from '@services/sites';
-import { CoreUtils } from '@services/utils/utils';
+import { CoreObject } from '@singletons/object';
 import { CoreWSExternalFile, CoreWSFile } from '@services/ws';
 import { makeSingleton } from '@singletons';
 import {
@@ -248,7 +248,7 @@ export class AddonModWorkshopPrefetchHandlerLazyService extends AddonModWorkshop
             });
         });
 
-        return CoreUtils.objectToArray(uniqueGrades);
+        return CoreObject.toArray(uniqueGrades);
     }
 
     /**

src/addons/mod/workshop/services/workshop.ts

@@ -20,7 +20,7 @@ import { CoreGradesMenuItem } from '@features/grades/services/grades-helper';
 import { CoreNetwork } from '@services/network';
 import { CoreSites, CoreSitesCommonWSOptions, CoreSitesReadingStrategy } from '@services/sites';
 import { CoreTextFormat, defaultTextFormat } from '@singletons/text';
-import { CoreUtils } from '@services/utils/utils';
+import { CoreArray } from '@singletons/array';
 import { CoreStatusWithWarningsWSResponse, CoreWS, CoreWSExternalFile, CoreWSExternalWarning } from '@services/ws';
 import { makeSingleton, Translate } from '@singletons';
 import { CoreFormFields } from '@singletons/form';
@@ -41,6 +41,7 @@ import {
 import { CoreSiteWSPreSets } from '@classes/sites/authenticated-site';
 import { CoreCacheUpdateFrequency } from '@/core/constants';
 import { CoreWSError } from '@classes/errors/wserror';
+import { CoreObject } from '@singletons/object';
 
 declare module '@singletons/events' {
 
@@ -366,7 +367,7 @@ export class AddonModWorkshopProvider {
 
         const response = await site.read<AddonModWorkshopGetUserPlanWSResponse>('mod_workshop_get_user_plan', params, preSets);
 
-        return CoreUtils.arrayToObject(response.userplan.phases, 'code');
+        return CoreArray.toObject(response.userplan.phases, 'code');
     }
 
     /**
@@ -1052,7 +1053,7 @@ export class AddonModWorkshopProvider {
             warnings: response.warnings,
             fields: this.parseFields(response.fields),
             current: this.parseFields(response.current),
-            options: CoreUtils.objectToKeyValueMap<string>(response.options, 'name', 'value'),
+            options: CoreObject.toKeyValueMap<string>(response.options, 'name', 'value'),
         };
     }
 
@@ -1183,7 +1184,7 @@ export class AddonModWorkshopProvider {
 
         const params: AddonModWorkshopUpdateAssessmentWSParams = {
             assessmentid: assessmentId,
-            data: CoreUtils.objectToArrayOfObjects(inputData, 'name', 'value'),
+            data: CoreObject.toArrayOfObjects(inputData, 'name', 'value'),
         };
 
         const response = await site.write<AddonModWorkshopUpdateAssessmentWSResponse>('mod_workshop_update_assessment', params);

src/addons/notifications/services/notifications-helper.ts

@@ -14,7 +14,7 @@
 
 import { Injectable } from '@angular/core';
 
-import { CoreUtils } from '@services/utils/utils';
+import { CoreArray } from '@singletons/array';
 import { makeSingleton } from '@singletons';
 import { AddonMessageOutputDelegate } from '@addons/messageoutput/services/messageoutput-delegate';
 import {
@@ -53,7 +53,7 @@ export class AddonNotificationsHelperProvider {
 
         formattedPreferences.components.forEach((component) => {
             component.notifications.forEach((notification) => {
-                notification.processorsByName = CoreUtils.arrayToObject(notification.processors, 'name');
+                notification.processorsByName = CoreArray.toObject(notification.processors, 'name');
             });
         });
 

src/addons/qtype/calculated/services/handlers/calculated.ts

@@ -17,7 +17,7 @@ import { Injectable, Type } from '@angular/core';
 import { CoreQuestionQuestionParsed, CoreQuestionsAnswers } from '@features/question/services/question';
 import { CoreQuestionHandler } from '@features/question/services/question-delegate';
 import { convertTextToHTMLElement } from '@/core/utils/create-html-element';
-import { CoreUtils } from '@services/utils/utils';
+import { CoreObject } from '@singletons/object';
 import { makeSingleton } from '@singletons';
 
 /**
@@ -133,8 +133,8 @@ export class AddonQtypeCalculatedHandlerService implements CoreQuestionHandler {
         prevAnswers: CoreQuestionsAnswers,
         newAnswers: CoreQuestionsAnswers,
     ): boolean {
-        return CoreUtils.sameAtKeyMissingIsBlank(prevAnswers, newAnswers, 'answer') &&
+        return CoreObject.sameAtKeyMissingIsBlank(prevAnswers, newAnswers, 'answer') &&
-            CoreUtils.sameAtKeyMissingIsBlank(prevAnswers, newAnswers, 'unit');
+            CoreObject.sameAtKeyMissingIsBlank(prevAnswers, newAnswers, 'unit');
     }
 
     /**

src/addons/qtype/essay/services/handlers/essay.ts

@@ -24,7 +24,7 @@ import { CoreFileSession } from '@services/file-session';
 import { CoreSites } from '@services/sites';
 import { convertTextToHTMLElement } from '@/core/utils/create-html-element';
 import { CoreText } from '@singletons/text';
-import { CoreUtils } from '@services/utils/utils';
+import { CoreObject } from '@singletons/object';
 import { CoreWSFile } from '@services/ws';
 import { makeSingleton, Translate } from '@singletons';
 import { CoreFileHelper } from '@services/file-helper';
@@ -267,7 +267,7 @@ export class AddonQtypeEssayHandlerService implements CoreQuestionHandler {
 
         // First check the inline text.
         const answerIsEqual = allowedOptions.text ?
-            CoreUtils.sameAtKeyMissingIsBlank(prevAnswers, newAnswers, 'answer') : true;
+            CoreObject.sameAtKeyMissingIsBlank(prevAnswers, newAnswers, 'answer') : true;
 
         if (!allowedOptions.attachments || !uploadFilesSupported || !answerIsEqual) {
             // No need to check attachments.

src/addons/qtype/multichoice/services/handlers/multichoice.ts

@@ -17,7 +17,7 @@ import { Injectable, Type } from '@angular/core';
 import { AddonModQuizMultichoiceQuestion } from '@features/question/classes/base-question-component';
 import { CoreQuestionQuestionParsed, CoreQuestionsAnswers } from '@features/question/services/question';
 import { CoreQuestionHandler } from '@features/question/services/question-delegate';
-import { CoreUtils } from '@services/utils/utils';
+import { CoreObject } from '@singletons/object';
 import { makeSingleton } from '@singletons';
 
 /**
@@ -120,7 +120,7 @@ export class AddonQtypeMultichoiceHandlerService implements CoreQuestionHandler
         for (const name in newAnswers) {
             if (name.indexOf('choice') !== -1) {
                 isSingle = false;
-                if (!CoreUtils.sameAtKeyMissingIsBlank(prevAnswers, newAnswers, name)) {
+                if (!CoreObject.sameAtKeyMissingIsBlank(prevAnswers, newAnswers, name)) {
                     isMultiSame = false;
                     break;
                 }
@@ -142,7 +142,7 @@ export class AddonQtypeMultichoiceHandlerService implements CoreQuestionHandler
      * @returns Whether they're the same.
      */
     isSameResponseSingle(prevAnswers: CoreQuestionsAnswers, newAnswers: CoreQuestionsAnswers): boolean {
-        return CoreUtils.sameAtKeyMissingIsBlank(prevAnswers, newAnswers, 'answer');
+        return CoreObject.sameAtKeyMissingIsBlank(prevAnswers, newAnswers, 'answer');
     }
 
     /**

src/addons/qtype/shortanswer/services/handlers/shortanswer.ts

@@ -16,7 +16,7 @@ import { Injectable, Type } from '@angular/core';
 
 import { CoreQuestionQuestionParsed, CoreQuestionsAnswers } from '@features/question/services/question';
 import { CoreQuestionHandler } from '@features/question/services/question-delegate';
-import { CoreUtils } from '@services/utils/utils';
+import { CoreObject } from '@singletons/object';
 import { makeSingleton } from '@singletons';
 
 /**
@@ -72,7 +72,7 @@ export class AddonQtypeShortAnswerHandlerService implements CoreQuestionHandler
         prevAnswers: CoreQuestionsAnswers,
         newAnswers: CoreQuestionsAnswers,
     ): boolean {
-        return CoreUtils.sameAtKeyMissingIsBlank(prevAnswers, newAnswers, 'answer');
+        return CoreObject.sameAtKeyMissingIsBlank(prevAnswers, newAnswers, 'answer');
     }
 
 }

src/addons/qtype/truefalse/services/handlers/truefalse.ts

@@ -16,7 +16,7 @@ import { Injectable, Type } from '@angular/core';
 
 import { CoreQuestionHandler } from '@features/question/services/question-delegate';
 import { CoreQuestionQuestionParsed, CoreQuestionsAnswers } from '@features/question/services/question';
-import { CoreUtils } from '@services/utils/utils';
+import { CoreObject } from '@singletons/object';
 import { AddonModQuizMultichoiceQuestion } from '@features/question/classes/base-question-component';
 import { makeSingleton } from '@singletons';
 
@@ -74,7 +74,7 @@ export class AddonQtypeTrueFalseHandlerService implements CoreQuestionHandler {
         prevAnswers: CoreQuestionsAnswers,
         newAnswers: CoreQuestionsAnswers,
     ): boolean {
-        return CoreUtils.sameAtKeyMissingIsBlank(prevAnswers, newAnswers, 'answer');
+        return CoreObject.sameAtKeyMissingIsBlank(prevAnswers, newAnswers, 'answer');
     }
 
     /**

src/core/classes/interceptor.ts

@@ -66,7 +66,7 @@ export class CoreInterceptor implements HttpInterceptor {
         // Add the header and serialize the body if needed.
         const newReq = req.clone({
             headers: req.headers.set('Content-Type', 'application/x-www-form-urlencoded'),
-            body: typeof req.body == 'object' && String(req.body) != '[object File]' ?
+            body: typeof req.body === 'object' && String(req.body) != '[object File]' ?
                 CoreInterceptor.serialize(req.body) : req.body,
         });
 

src/core/classes/sites/authenticated-site.ts

@@ -43,6 +43,8 @@ import { CoreSiteWSCacheRecord } from '@services/database/sites';
 import { CoreErrorLogs } from '@singletons/error-logs';
 import { CoreWait } from '@singletons/wait';
 import { CorePromiseUtils } from '@singletons/promise-utils';
+import { CoreObject } from '@singletons/object';
+import { CoreArray } from '@singletons/array';
 
 /**
  * Class that represents a site (combination of site + user) where the user has authenticated but the site hasn't been validated
@@ -212,7 +214,7 @@ export class CoreAuthenticatedSite extends CoreUnauthenticatedSite {
 
         // Index function by name to speed up wsAvailable method.
         if (infos?.functions) {
-            infos.functionsByName = CoreUtils.arrayToObject(infos.functions, 'name');
+            infos.functionsByName = CoreArray.toObject(infos.functions, 'name');
         }
     }
 
@@ -1020,7 +1022,7 @@ export class CoreAuthenticatedSite extends CoreUnauthenticatedSite {
      */
     // eslint-disable-next-line @typescript-eslint/no-explicit-any
     protected getCacheId(method: string, data: any): string {
-        return Md5.hashAsciiStr(method + ':' + CoreUtils.sortAndStringify(data));
+        return Md5.hashAsciiStr(method + ':' + CoreObject.sortAndStringify(data));
     }
 
     /**

src/core/features/block/classes/base-block-component.ts

@@ -15,7 +15,7 @@
 import { OnInit, Input, Component, Optional, Inject, OnChanges, SimpleChanges } from '@angular/core';
 import { CoreLogger } from '@singletons/logger';
 import { CoreDomUtils } from '@services/utils/dom';
-import { CoreUtils } from '@services/utils/utils';
+import { CoreArray } from '@singletons/array';
 import { CoreText } from '@singletons/text';
 import { CoreCourseBlock } from '../../course/services/course';
 import { Params } from '@angular/router';
@@ -78,7 +78,7 @@ export abstract class CoreBlockBaseComponent implements OnInit, OnChanges, ICore
             config.value = CoreText.parseJSON(config.value);
         });
 
-        this.block.configsRecord = CoreUtils.arrayToObject(this.block.configs, 'name');
+        this.block.configsRecord = CoreArray.toObject(this.block.configs, 'name');
     }
 
     /**

src/core/features/course/pages/contents/contents.ts

@@ -47,6 +47,7 @@ import {
     CORE_COURSE_PROGRESS_UPDATED_EVENT,
 } from '@features/course/constants';
 import { CorePromiseUtils } from '@singletons/promise-utils';
+import { CoreObject } from '@singletons/object';
 
 /**
  * Page that displays the contents of a course.
@@ -284,7 +285,7 @@ export class CoreCourseContentsPage implements OnInit, OnDestroy, CoreRefreshCon
 
         if ('courseformatoptions' in this.course && this.course.courseformatoptions) {
             // Already loaded.
-            this.formatOptions = CoreUtils.objectToKeyValueMap(this.course.courseformatoptions, 'name', 'value');
+            this.formatOptions = CoreObject.toKeyValueMap(this.course.courseformatoptions, 'name', 'value');
 
             return;
         }
@@ -294,7 +295,7 @@ export class CoreCourseContentsPage implements OnInit, OnDestroy, CoreRefreshCon
         course && Object.assign(this.course, course);
 
         if (course?.courseformatoptions) {
-            this.formatOptions = CoreUtils.objectToKeyValueMap(course.courseformatoptions, 'name', 'value');
+            this.formatOptions = CoreObject.toKeyValueMap(course.courseformatoptions, 'name', 'value');
         }
     }
 

src/core/features/course/services/course-helper.ts

@@ -32,7 +32,7 @@ import { CoreLogger } from '@singletons/logger';
 import { ApplicationInit, makeSingleton, Translate } from '@singletons';
 import { CoreFilepool } from '@services/filepool';
 import { CoreDomUtils } from '@services/utils/dom';
-import { CoreUtils } from '@services/utils/utils';
+import { CoreArray } from '@singletons/array';
 import {
     CoreCourseAnyCourseData,
     CoreCourseBasicData,
@@ -1088,7 +1088,7 @@ export class CoreCourseHelperProvider {
 
         const totalOffline = offlineCompletions.length;
         let loaded = 0;
-        const offlineCompletionsMap = CoreUtils.arrayToObject(offlineCompletions, 'cmid');
+        const offlineCompletionsMap = CoreArray.toObject(offlineCompletions, 'cmid');
 
         const loadSectionOfflineCompletion = (section: CoreCourseWSSection): void => {
             if (!section.contents || !section.contents.length) {

src/core/features/course/services/course.ts

@@ -20,7 +20,6 @@ import { CoreEvents } from '@singletons/events';
 import { CoreLogger } from '@singletons/logger';
 import { CoreSitesCommonWSOptions, CoreSites, CoreSitesReadingStrategy } from '@services/sites';
 import { CoreTimeUtils } from '@services/utils/time';
-import { CoreUtils } from '@services/utils/utils';
 import { CoreSite } from '@classes/sites/site';
 import { CoreCacheUpdateFrequency, CoreConstants, DownloadStatus } from '@/core/constants';
 import { makeSingleton, Translate } from '@singletons';
@@ -75,6 +74,7 @@ import {
     CORE_COURSE_STEALTH_MODULES_SECTION_ID,
 } from '../constants';
 import { CorePromiseUtils } from '@singletons/promise-utils';
+import { CoreObject } from '@singletons/object';
 
 export type CoreCourseProgressUpdated = { progress: number; courseId: number };
 
@@ -260,7 +260,7 @@ export class CoreCourseProvider {
         }
 
         const course = await CoreCourses.getCourseByField('id', courseId, site.id);
-        const formatOptions = CoreUtils.objectToKeyValueMap(
+        const formatOptions = CoreObject.toKeyValueMap(
             course.courseformatoptions ?? [],
             'name',
             'value',
@@ -353,7 +353,7 @@ export class CoreCourseProvider {
             throw Error('WS core_completion_get_activities_completion_status failed');
         }
 
-        const completionStatus = CoreUtils.arrayToObject(data.statuses, 'cmid');
+        const completionStatus = CoreArray.toObject(data.statuses, 'cmid');
         if (!includeOffline) {
             return completionStatus;
         }
@@ -412,7 +412,7 @@ export class CoreCourseProvider {
             js: (record) => ids.includes(record.cmId),
         });
 
-        return CoreUtils.arrayToObject(entries, 'cmId');
+        return CoreArray.toObject(entries, 'cmId');
     }
 
     /**

src/core/features/course/services/log-helper.ts

@@ -18,7 +18,7 @@ import { CoreNetwork } from '@services/network';
 import { CoreSites } from '@services/sites';
 import { CoreText } from '@singletons/text';
 import { CoreTimeUtils } from '@services/utils/time';
-import { CoreUtils } from '@services/utils/utils';
+import { CoreObject } from '@singletons/object';
 import { makeSingleton } from '@singletons';
 import { ACTIVITY_LOG_TABLE, CoreCourseActivityLogDBRecord } from './database/log';
 import { CoreStatusWithWarningsWSResponse } from '@services/ws';
@@ -84,7 +84,7 @@ export class CoreCourseLogHelperProvider {
 
         const conditions: Partial<CoreCourseActivityLogDBRecord> = {
             ws,
-            data: CoreUtils.sortAndStringify(data),
+            data: CoreObject.sortAndStringify(data),
         };
 
         await site.getDb().deleteRecords(ACTIVITY_LOG_TABLE, conditions);
@@ -264,7 +264,7 @@ export class CoreCourseLogHelperProvider {
             component,
             componentid: componentId,
             ws,
-            data: CoreUtils.sortAndStringify(data),
+            data: CoreObject.sortAndStringify(data),
             time: CoreTimeUtils.timestamp(),
         };
 

src/core/features/course/services/module-prefetch-delegate.ts

@@ -21,7 +21,7 @@ import { CoreFileHelper } from '@services/file-helper';
 import { CoreFilepool } from '@services/filepool';
 import { CoreSites } from '@services/sites';
 import { CoreTimeUtils } from '@services/utils/time';
-import { CoreUtils } from '@services/utils/utils';
+import { CoreArray } from '@singletons/array';
 import { CoreCourse, CoreCourseAnyModuleData, CoreCourseModuleContentFile } from './course';
 import { CoreCache } from '@classes/cache';
 import { CoreSiteWSPreSets } from '@classes/sites/authenticated-site';
@@ -1317,7 +1317,7 @@ export class CoreCourseModulePrefetchDelegateService extends CoreDelegate<CoreCo
         previousTime?: number,
     ): CourseUpdates {
         // Format the response to index it by module ID.
-        CoreUtils.arrayToObject<false | CheckUpdatesWSInstance>(response.instances, 'id', result);
+        CoreArray.toObject<false | CheckUpdatesWSInstance>(response.instances, 'id', result);
 
         // Treat warnings, adding the not supported modules.
         response.warnings?.forEach((warning) => {

src/core/features/courses/services/courses-helper.ts

@@ -13,7 +13,7 @@
 // limitations under the License.
 
 import { Injectable } from '@angular/core';
-import { CoreUtils } from '@services/utils/utils';
+import { CoreArray } from '@singletons/array';
 import { CoreSites, CoreSitesCommonWSOptions } from '@services/sites';
 import {
     CoreCourseAnyCourseData,
@@ -157,7 +157,7 @@ export class CoreCoursesHelperProvider {
 
         // Get the extra data for the courses.
         return CoreCourses.getCoursesByFieldObservable('ids', courseIds, options).pipe(map(coursesInfosArray => {
-            const coursesInfo = CoreUtils.arrayToObject(coursesInfosArray, 'id');
+            const coursesInfo = CoreArray.toObject(coursesInfosArray, 'id');
 
             courses.forEach((course) => {
                 this.loadCourseExtraInfo(course, coursesInfo[course.id], loadCategoryNames);

src/core/features/editor/services/editor-offline.ts

@@ -16,7 +16,7 @@ import { Injectable } from '@angular/core';
 import { CoreError } from '@classes/errors/error';
 
 import { CoreSites } from '@services/sites';
-import { CoreUtils } from '@services/utils/utils';
+import { CoreObject } from '@singletons/object';
 import { makeSingleton } from '@singletons';
 import { CoreLogger } from '@singletons/logger';
 import { CoreEditorDraft, CoreEditorDraftPrimaryData, DRAFT_TABLE } from './database/editor';
@@ -82,7 +82,7 @@ export class CoreEditorOfflineProvider {
             contextlevel: contextLevel,
             contextinstanceid: contextInstanceId,
             elementid: elementId,
-            extraparams: CoreUtils.sortAndStringify(extraParams || {}),
+            extraparams: CoreObject.sortAndStringify(extraParams || {}),
         };
     }
 

src/core/features/fileuploader/services/fileuploader-helper.ts

@@ -24,7 +24,7 @@ import { CoreFile, CoreFileProvider, CoreFileProgressEvent } from '@services/fil
 import { CoreDomUtils } from '@services/utils/dom';
 import { CoreMimetypeUtils } from '@services/utils/mimetype';
 import { CoreText } from '@singletons/text';
-import { CoreUtils } from '@services/utils/utils';
+import { CoreArray } from '@singletons/array';
 import { makeSingleton, Translate, Camera, ActionSheetController } from '@singletons';
 import { CoreLogger } from '@singletons/logger';
 import { CoreCanceledError } from '@classes/errors/cancelederror';
@@ -635,8 +635,8 @@ export class CoreFileUploaderHelperProvider {
         };
 
         if (fromAlbum) {
-            const imageSupported = !mimetypes || CoreUtils.indexOfRegexp(mimetypes, /^image\//) > -1;
+            const imageSupported = !mimetypes || CoreArray.indexOfRegexp(mimetypes, /^image\//) > -1;
-            const videoSupported = !mimetypes || CoreUtils.indexOfRegexp(mimetypes, /^video\//) > -1;
+            const videoSupported = !mimetypes || CoreArray.indexOfRegexp(mimetypes, /^video\//) > -1;
 
             options.sourceType = Camera.PictureSourceType.PHOTOLIBRARY;
             options.popoverOptions = {

src/core/features/grades/services/grades-helper.ts

@@ -47,6 +47,7 @@ import { CoreLoadings } from '@services/loadings';
 import { convertTextToHTMLElement } from '@/core/utils/create-html-element';
 import { CoreCourseAccessDataType } from '@features/course/constants';
 import { CorePromiseUtils } from '@singletons/promise-utils';
+import { CoreArray } from '@singletons/array';
 
 export const GRADES_PAGE_NAME = 'grades';
 export const GRADES_PARTICIPANTS_PAGE_NAME = 'participant-grades';
@@ -271,7 +272,7 @@ export class CoreGradesHelperProvider {
 
         try {
             const courses = await CoreCourses.getUserCourses(undefined, undefined, CoreSitesReadingStrategy.ONLY_CACHE);
-            const coursesMap = CoreUtils.arrayToObject(courses, 'id');
+            const coursesMap = CoreArray.toObject(courses, 'id');
 
             coursesWereMissing = this.addCourseData(grades, coursesMap);
         } catch {
@@ -282,7 +283,7 @@ export class CoreGradesHelperProvider {
         if (coursesWereMissing) {
             const courses = await CoreCourses.getCoursesByField('ids', grades.map((grade) => grade.courseid).join(','));
             const coursesMap =
-                CoreUtils.arrayToObject(courses as Record<string, unknown>[], 'id') as
+                CoreArray.toObject(courses as Record<string, unknown>[], 'id') as
                     Record<string, CoreEnrolledCourseData> |
                     Record<string, CoreCourseSearchedData>;
 

src/core/features/h5p/classes/content-validator.ts

@@ -18,6 +18,7 @@ import { CoreH5P } from '@features/h5p/services/h5p';
 import { Translate } from '@singletons';
 import { CoreH5PCore, CoreH5PLibraryData, CoreH5PLibraryAddonData, CoreH5PContentDepsTreeDependency } from './core';
 import { CoreArray } from '@singletons/array';
+import { CoreObject } from '@singletons/object';
 
 const ALLOWED_STYLEABLE_TAGS = ['span', 'p', 'div', 'h1', 'h2', 'h3', 'table', 'col', 'figure', 'td', 'th', 'li'];
 
@@ -354,7 +355,7 @@ export class CoreH5PContentValidator {
         }
 
         if (!isArray) {
-            list = CoreUtils.objectToArray(<Record<string, unknown>> list);
+            list = CoreObject.toArray(<Record<string, unknown>> list);
         }
 
         if (!list.length) {
@@ -677,7 +678,7 @@ export class CoreH5PContentValidator {
      */
     protected filterXssSplit(tags: string[], store: boolean = false): string {
         if (store) {
-            this.allowedHtml = CoreUtils.arrayToObject(tags);
+            this.allowedHtml = CoreArray.toObject(tags);
 
             return '';
         }

src/core/features/h5p/classes/core.ts

@@ -961,7 +961,7 @@ export class CoreH5PCore {
             if (params.match(pattern)) {
                 return true;
             }
-        } else if (typeof params == 'object') {
+        } else if (typeof params === 'object') {
             for (const key in params) {
                 const value = params[key];
 

src/core/features/login/services/login-helper.ts

@@ -23,7 +23,7 @@ import { CoreSites, CoreLoginSiteInfo, CoreSiteBasicInfo } from '@services/sites
 import { CoreWS, CoreWSExternalWarning } from '@services/ws';
 import { CoreDomUtils } from '@services/utils/dom';
 import { CoreText } from '@singletons/text';
-import { CoreUtils } from '@services/utils/utils';
+import { CoreObject } from '@singletons/object';
 import { CoreConstants } from '@/core/constants';
 import { CoreSite } from '@classes/sites/site';
 import { CoreError } from '@classes/errors/error';
@@ -1368,7 +1368,7 @@ export class CoreLoginHelperProvider {
             return;
         }));
 
-        accountsList.otherSites = CoreUtils.objectToArray(otherSites);
+        accountsList.otherSites = CoreObject.toArray(otherSites);
 
         return accountsList;
     }

src/core/features/mainmenu/pages/home/home.ts

@@ -19,7 +19,7 @@ import { CoreSites } from '@services/sites';
 import { CoreEventObserver, CoreEvents } from '@singletons/events';
 import { CoreTabsOutletComponent, CoreTabsOutletTab } from '@components/tabs-outlet/tabs-outlet';
 import { CoreMainMenuHomeDelegate, CoreMainMenuHomeHandlerToDisplay } from '../../services/home-delegate';
-import { CoreUtils } from '@services/utils/utils';
+import { CoreArray } from '@singletons/array';
 import { CoreMainMenuHomeHandlerService } from '@features/mainmenu/services/handlers/mainmenu';
 
 /**
@@ -62,7 +62,7 @@ export class CoreMainMenuHomePage implements OnInit {
     initHandlers(handlers: CoreMainMenuHomeHandlerToDisplay[]): void {
         // Re-build the list of tabs.
         const loaded = CoreMainMenuHomeDelegate.areHandlersLoaded();
-        const handlersMap = CoreUtils.arrayToObject(handlers, 'title');
+        const handlersMap = CoreArray.toObject(handlers, 'title');
         const newTabs = handlers.map((handler): CoreTabsOutletTab => {
             const tab = this.tabs.find(tab => tab.title == handler.title);
 

src/core/features/question/services/question.ts

@@ -18,7 +18,7 @@ import { CoreFile } from '@services/file';
 import { CoreSites } from '@services/sites';
 import { CoreText } from '@singletons/text';
 import { CoreTimeUtils } from '@services/utils/time';
-import { CoreUtils } from '@services/utils/utils';
+import { CoreArray } from '@singletons/array';
 import { CoreWSExternalFile } from '@services/ws';
 import { makeSingleton } from '@singletons';
 import { CorePath } from '@singletons/path';
@@ -37,6 +37,7 @@ import {
     QUESTION_NEEDS_GRADING_STATE_CLASSES,
     QUESTION_TODO_STATE_CLASSES,
 } from '@features/question/constants';
+import { CoreObject } from '@singletons/object';
 
 const QUESTION_PREFIX_REGEX = /q\d+:(\d+)_/;
 const STATES: Record<string, CoreQuestionState> = {
@@ -150,7 +151,7 @@ export class CoreQuestionProvider {
      */
     compareAllAnswers(prevAnswers: Record<string, unknown>, newAnswers: Record<string, unknown>): boolean {
         // Get all the keys.
-        const keys = CoreUtils.mergeArraysWithoutDuplicates(Object.keys(prevAnswers), Object.keys(newAnswers));
+        const keys = CoreArray.mergeWithoutDuplicates(Object.keys(prevAnswers), Object.keys(newAnswers));
 
         // Check that all the keys have the same value on both objects.
         for (const i in keys) {
@@ -158,7 +159,7 @@ export class CoreQuestionProvider {
 
             // Ignore extra answers like sequencecheck or certainty.
             if (!this.isExtraAnswer(key[0])) {
-                if (!CoreUtils.sameAtKeyMissingIsBlank(prevAnswers, newAnswers, key)) {
+                if (!CoreObject.sameAtKeyMissingIsBlank(prevAnswers, newAnswers, key)) {
                     return false;
                 }
             }

src/core/features/rating/services/rating.ts

@@ -18,13 +18,13 @@ import { CoreSite } from '@classes/sites/site';
 import { CoreUser } from '@features/user/services/user';
 import { CoreNetwork } from '@services/network';
 import { CoreSites } from '@services/sites';
-import { CoreUtils } from '@services/utils/utils';
 import { CoreWSExternalWarning } from '@services/ws';
 import { makeSingleton } from '@singletons';
 import { CoreEvents } from '@singletons/events';
 import { CoreRatingOffline } from './rating-offline';
 import { CoreSiteWSPreSets } from '@classes/sites/authenticated-site';
 import { CoreWSError } from '@classes/errors/wserror';
+import { CoreObject } from '@singletons/object';
 
 const ROOT_CACHE_KEY = 'CoreRating:';
 
@@ -351,8 +351,8 @@ export class CoreRatingProvider {
         });
 
         if (result) {
-            result.scales = CoreUtils.objectToArray(scales);
+            result.scales = CoreObject.toArray(scales);
-            result.ratings = CoreUtils.objectToArray(ratings);
+            result.ratings = CoreObject.toArray(ratings);
         }
 
         return result;

src/core/features/settings/pages/space-usage/space-usage.ts

@@ -15,7 +15,7 @@
 import { Component, OnDestroy, OnInit } from '@angular/core';
 
 import { CoreSiteBasicInfo, CoreSites } from '@services/sites';
-import { CoreUtils } from '@services/utils/utils';
+import { CoreObject } from '@singletons/object';
 import { CoreEventObserver, CoreEvents } from '@singletons/events';
 
 import { CoreSettingsHelper } from '../../services/settings-helper';
@@ -129,7 +129,7 @@ export class CoreSettingsSpaceUsagePage implements OnInit, OnDestroy {
             }
         });
 
-        this.accountsList.otherSites = CoreUtils.objectToArray(otherSites);
+        this.accountsList.otherSites = CoreObject.toArray(otherSites);
         this.accountsList.count = sites.length;
 
         this.totalSpaceUsage = totalSize;

src/core/features/siteplugins/classes/compile-init-component.ts

@@ -12,7 +12,7 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-import { CoreUtils } from '@services/utils/utils';
+import { CoreObject } from '@singletons/object';
 import { CoreSitePlugins, CoreSitePluginsInitHandlerData } from '../services/siteplugins';
 
 /**
@@ -55,7 +55,7 @@ export class CoreSitePluginsCompileInitComponent {
         // Load first template.
         if (this.handlerSchema.methodTemplates?.length) {
             this.content = this.handlerSchema.methodTemplates[0].html;
-            this.jsData.CONTENT_TEMPLATES = CoreUtils.objectToKeyValueMap(
+            this.jsData.CONTENT_TEMPLATES = CoreObject.toKeyValueMap(
                 this.handlerSchema.methodTemplates,
                 'id',
                 'html',

src/core/features/siteplugins/services/siteplugins.ts

@@ -34,6 +34,7 @@ import { CoreEnrolAction, CoreEnrolInfoIcon } from '@features/enrol/services/enr
 import { CoreSiteWSPreSets } from '@classes/sites/authenticated-site';
 import { CoreUserProfileHandlerType } from '@features/user/services/user-delegate';
 import { CORE_SITE_PLUGINS_COMPONENT, CORE_SITE_PLUGINS_UPDATE_COURSE_CONTENT } from '../constants';
+import { CoreObject } from '@singletons/object';
 
 /**
  * Service to provide functionalities regarding site plugins.
@@ -156,13 +157,13 @@ export class CoreSitePluginsProvider {
             data = Object.assign(data, initResult.jsResult || {});
 
             // Now add some data returned by the init WS call.
-            data.INIT_TEMPLATES = CoreUtils.objectToKeyValueMap(initResult.templates, 'id', 'html');
+            data.INIT_TEMPLATES = CoreObject.toKeyValueMap(initResult.templates, 'id', 'html');
             data.INIT_OTHERDATA = initResult.otherdata;
         }
 
         if (contentResult) {
             // Now add the data returned by the content WS call.
-            data.CONTENT_TEMPLATES = CoreUtils.objectToKeyValueMap(contentResult.templates, 'id', 'html');
+            data.CONTENT_TEMPLATES = CoreObject.toKeyValueMap(contentResult.templates, 'id', 'html');
             data.CONTENT_OTHERDATA = contentResult.otherdata;
         }
 
@@ -177,7 +178,7 @@ export class CoreSitePluginsProvider {
      * @returns Cache key.
      */
     getCallWSCacheKey(method: string, data: Record<string, unknown>): string {
-        return this.getCallWSCommonCacheKey(method) + ':' + CoreUtils.sortAndStringify(data);
+        return this.getCallWSCommonCacheKey(method) + ':' + CoreObject.sortAndStringify(data);
     }
 
     /**
@@ -219,7 +220,7 @@ export class CoreSitePluginsProvider {
         const data: CoreSitePluginsGetContentWSParams = {
             component: component,
             method: method,
-            args: CoreUtils.objectToArrayOfObjects(argsToSend, 'name', 'value', true),
+            args: CoreObject.toArrayOfObjects(argsToSend, 'name', 'value', true),
         };
 
         preSets = preSets || {};
@@ -230,7 +231,7 @@ export class CoreSitePluginsProvider {
 
         let otherData: Record<string, unknown> = {};
         if (result.otherdata) {
-            otherData = <Record<string, unknown>> CoreUtils.objectToKeyValueMap(result.otherdata, 'name', 'value');
+            otherData = <Record<string, unknown>> CoreObject.toKeyValueMap(result.otherdata, 'name', 'value');
 
             // Try to parse all properties that could be JSON encoded strings.
             for (const name in otherData) {
@@ -255,7 +256,7 @@ export class CoreSitePluginsProvider {
      */
     protected getContentCacheKey(component: string, method: string, args: Record<string, unknown>): string {
         return CoreSitePluginsProvider.ROOT_CACHE_KEY + 'content:' + component + ':' + method +
-            ':' + CoreUtils.sortAndStringify(args);
+            ':' + CoreObject.sortAndStringify(args);
     }
 
     /**
@@ -346,7 +347,7 @@ export class CoreSitePluginsProvider {
      * @returns Plugin list ws info.
      */
     getCurrentSitePluginList(): CoreSitePluginsWSPlugin[] {
-        return CoreUtils.objectToArray(this.sitePlugins).map((plugin) => plugin.plugin);
+        return CoreObject.toArray(this.sitePlugins).map((plugin) => plugin.plugin);
     }
 
     /**
@@ -507,7 +508,7 @@ export class CoreSitePluginsProvider {
             for (const i in useOtherData) {
                 const name = useOtherData[i];
 
-                if (typeof otherData[name] == 'object' && otherData[name] !== null) {
+                if (typeof otherData[name] === 'object' && otherData[name] !== null) {
                     // Stringify objects.
                     args[name] = JSON.stringify(otherData[name]);
                 } else {
@@ -517,7 +518,7 @@ export class CoreSitePluginsProvider {
         } else {
             // Add all the data to args.
             for (const name in otherData) {
-                if (typeof otherData[name] == 'object' && otherData[name] !== null) {
+                if (typeof otherData[name] === 'object' && otherData[name] !== null) {
                     // Stringify objects.
                     args[name] = JSON.stringify(otherData[name]);
                 } else {

src/core/services/filepool.ts

@@ -27,7 +27,7 @@ import { CoreMimetypeUtils } from '@services/utils/mimetype';
 import { CoreText } from '@singletons/text';
 import { CoreTimeUtils } from '@services/utils/time';
 import { CoreUrl, CoreUrlPartNames } from '@singletons/url';
-import { CoreUtils } from '@services/utils/utils';
+import { CoreArray } from '@singletons/array';
 import { CoreError } from '@classes/errors/error';
 import { DownloadStatus } from '@/core/constants';
 import { ApplicationInit, makeSingleton, NgZone, Translate } from '@singletons';
@@ -650,7 +650,7 @@ export class CoreFilepoolProvider {
         ]);
 
         // Notify now.
-        const filesLinksMap = CoreUtils.arrayToObjectMultiple(filesLinks, 'fileId');
+        const filesLinksMap = CoreArray.toObjectMultiple(filesLinks, 'fileId');
 
         filesEntries.forEach(entry => this.notifyFileDeleted(siteId, entry.fileId, filesLinksMap[entry.fileId] || []));
     }

src/core/services/geolocation.ts

@@ -154,7 +154,7 @@ export class CoreGeolocationProvider {
      */
     protected isCordovaPermissionDeniedError(error?: CoreAnyError | GeolocationPositionError): boolean {
         return !!error &&
-            typeof error == 'object' &&
+            typeof error === 'object' &&
             'code' in error &&
             'PERMISSION_DENIED' in error &&
             error.code === error.PERMISSION_DENIED;

src/core/services/local-notifications.ts

@@ -290,7 +290,7 @@ export class CoreLocalNotificationsProvider {
         scheduled.forEach((notif) => {
             notif.data = this.parseNotificationData(notif.data);
 
-            if (notif.id && typeof notif.data == 'object' && notif.data.siteId === siteId) {
+            if (notif.id && typeof notif.data === 'object' && notif.data.siteId === siteId) {
                 ids.push(notif.id);
             }
         });
@@ -563,7 +563,7 @@ export class CoreLocalNotificationsProvider {
 
         try {
             // Check if request is valid.
-            if (typeof request != 'object' || request.table === undefined || request.id === undefined) {
+            if (typeof request !== 'object' || request.table === undefined || request.id === undefined) {
                 return;
             }
 

src/core/services/navigator.ts

@@ -461,7 +461,7 @@ export class CoreNavigatorService {
             return route;
         }
 
-        if (routeData && CoreUtils.basicLeftCompare(routeData, this.getRouteData(route), 3)) {
+        if (routeData && CoreObject.basicLeftCompare(routeData, this.getRouteData(route), 3)) {
             return route;
         }
 
@@ -607,7 +607,7 @@ export class CoreNavigatorService {
     protected replaceObjectParams(queryParams?: Params | null): void {
         for (const name in queryParams) {
             const value = queryParams[name];
-            if (typeof value != 'object' || value === null) {
+            if (typeof value !== 'object' || value === null) {
                 continue;
             }
 

src/core/services/sites.ts

@@ -1292,7 +1292,7 @@ export class CoreSitesProvider {
             return !!this.currentSite;
         }
 
-        const siteId = typeof site == 'object' ? site.getId() : site;
+        const siteId = typeof site === 'object' ? site.getId() : site;
 
         return this.currentSite.getId() === siteId;
     }

src/core/services/utils/dom.ts

@@ -447,7 +447,7 @@ export class CoreDomUtilsProvider {
         let extraInfo = '';
         let errorMessage: string | undefined;
 
-        if (typeof error == 'object') {
+        if (typeof error === 'object') {
             if (this.debugDisplay) {
                 // Get the debug info. Escape the HTML so it is displayed as it is in the view.
                 if ('debuginfo' in error && error.debuginfo) {

src/core/services/utils/iframe.ts

@@ -455,7 +455,7 @@ export class CoreIframeUtilsProvider {
                 return;
             }
 
-            if (element.tagName.toLowerCase() == 'object') {
+            if (element.tagName.toLowerCase() === 'object') {
                 element.setAttribute('data', url);
             } else {
                 element.setAttribute('src', url);
@@ -509,7 +509,7 @@ export class CoreIframeUtilsProvider {
                 (!link.target || link.target == '_self')
             ) {
                 // Load the link inside the frame itself.
-                if (element.tagName.toLowerCase() == 'object') {
+                if (element.tagName.toLowerCase() === 'object') {
                     element.setAttribute('data', link.href);
                 } else {
                     element.setAttribute('src', link.href);
@@ -546,7 +546,7 @@ export class CoreIframeUtilsProvider {
         } else if (CorePlatform.isIOS() && (!link.target || link.target == '_self') && element) {
             // In cordova ios 4.1.0 links inside iframes stopped working. We'll manually treat them.
             event && event.preventDefault();
-            if (element.tagName.toLowerCase() == 'object') {
+            if (element.tagName.toLowerCase() === 'object') {
                 element.setAttribute('data', link.href);
             } else {
                 element.setAttribute('src', link.href);

src/core/services/utils/mimetype.ts

@@ -424,10 +424,10 @@ export class CoreMimetypeUtilsProvider {
         let mimetype: string | undefined = '';
         let extension: string | undefined = '';
 
-        if (typeof obj == 'object' && CoreFileUtils.isFileEntry(obj)) {
+        if (typeof obj === 'object' && CoreFileUtils.isFileEntry(obj)) {
             // It's a FileEntry. Don't use the file function because it's asynchronous and the type isn't reliable.
             filename = obj.name;
-        } else if (typeof obj == 'object') {
+        } else if (typeof obj === 'object') {
             filename = obj.filename || '';
             mimetype = obj.mimetype || '';
         } else {

src/core/services/utils/utils.ts

@@ -30,6 +30,7 @@ import { CoreErrorHelper } from '@services/error-helper';
 import { CorePromiseUtils, OrderedPromiseData } from '@singletons/promise-utils';
 import { CoreOpener, CoreOpenerOpenFileOptions, CoreOpenerOpenInBrowserOptions } from '@singletons/opener';
 import { CoreCountries, CoreCountry } from '@singletons/countries';
+import { CoreObject } from '@singletons/object';
 
 export type TreeNode<T> = T & { children: TreeNode<T>[] };
 
@@ -89,19 +90,14 @@ export class CoreUtilsProvider {
      * @param propertyName The name of the property to use as the key. If not provided, the whole item will be used.
      * @param result Object where to put the properties. If not defined, a new object will be created.
      * @returns The object.
+     * @deprecated since 5.0. Use CoreArray.toObject instead.
      */
     arrayToObject<T>(
         array: T[] = [],
         propertyName?: string,
         result: Record<string, T> = {},
     ): Record<string, T> {
-        for (const entry of array) {
+        return CoreArray.toObject(array, propertyName, result);
-            const key = propertyName ? entry[propertyName] : entry;
-
-            result[key] = entry;
-        }
-
-        return result;
     }
 
     /**
@@ -124,22 +120,14 @@ export class CoreUtilsProvider {
      * @param propertyName The name of the property to use as the key. If not provided, the whole item will be used.
      * @param result Object where to put the properties. If not defined, a new object will be created.
      * @returns The object.
+     * @deprecated since 5.0. Use CoreArray.toObjectMultiple instead.
      */
     arrayToObjectMultiple<T>(
         array: T[] = [],
         propertyName?: string,
         result: Record<string, T[]> = {},
     ): Record<string, T[]> {
-        for (const entry of array) {
+        return CoreArray.toObjectMultiple(array, propertyName, result);
-            const key = propertyName ? entry[propertyName] : entry;
-            if (result[key] === undefined) {
-                result[key] = [];
-            }
-
-            result[key].push(entry);
-        }
-
-        return result;
     }
 
     /**
@@ -153,6 +141,7 @@ export class CoreUtilsProvider {
      * @param level Current deep level (when comparing objects).
      * @param undefinedIsNull True if undefined is equal to null. Defaults to true.
      * @returns Whether both items are equal.
+     * @deprecated since 5.0. Use CoreObject.basicLeftCompare instead.
      */
     basicLeftCompare(
         itemA: any, // eslint-disable-line @typescript-eslint/no-explicit-any
@@ -161,43 +150,7 @@ export class CoreUtilsProvider {
         level: number = 0,
         undefinedIsNull: boolean = true,
     ): boolean {
-        if (typeof itemA == 'function' || typeof itemB == 'function') {
+        return CoreObject.basicLeftCompare(itemA, itemB, maxLevels, level, undefinedIsNull);
-            return true; // Don't compare functions.
-        } else if (typeof itemA == 'object' && typeof itemB == 'object') {
-            if (level >= maxLevels) {
-                return true; // Max deep reached.
-            }
-
-            let equal = true;
-            for (const name in itemA) {
-                const value = itemA[name];
-                if (name == '$$hashKey') {
-                    // Ignore $$hashKey property since it's a "calculated" property.
-                    continue;
-                }
-
-                if (!this.basicLeftCompare(value, itemB[name], maxLevels, level + 1)) {
-                    equal = false;
-                }
-            }
-
-            return equal;
-        } else {
-            if (undefinedIsNull && (
-                (itemA === undefined && itemB === null) || (itemA === null && itemB === undefined))) {
-                return true;
-            }
-
-            // We'll treat "2" and 2 as the same value.
-            const floatA = parseFloat(itemA);
-            const floatB = parseFloat(itemB);
-
-            if (!isNaN(floatA) && !isNaN(floatB)) {
-                return floatA == floatB;
-            }
-
-            return itemA === itemB;
-        }
     }
 
     /**
@@ -291,7 +244,7 @@ export class CoreUtilsProvider {
             }
 
             return newArray;
-        } else if (this.isObject(source)) {
+        } else if (CoreObject.isObject(source)) {
             // Check if the object shouldn't be copied.
             if (source.toString && this.DONT_CLONE.indexOf(source.toString()) != -1) {
                 // Object shouldn't be copied, return it as it is.
@@ -383,32 +336,10 @@ export class CoreUtilsProvider {
      * @param obj Object to flatten.
      * @param useDotNotation Whether to use dot notation '.' or square brackets '['.
      * @returns Flattened object.
+     * @deprecated since 5.0. Use CoreObject.flatten instead.
      */
     flattenObject(obj: Record<string, unknown>, useDotNotation?: boolean): Record<string, unknown> {
-        const toReturn = {};
+        return CoreObject.flatten(obj, useDotNotation);
-
-        for (const name in obj) {
-            if (!Object.prototype.hasOwnProperty.call(obj, name)) {
-                continue;
-            }
-
-            const value = obj[name];
-            if (typeof value == 'object' && !Array.isArray(value)) {
-                const flatObject = this.flattenObject(value as Record<string, unknown>);
-                for (const subName in flatObject) {
-                    if (!Object.prototype.hasOwnProperty.call(flatObject, subName)) {
-                        continue;
-                    }
-
-                    const newName = useDotNotation ? name + '.' + subName : name + '[' + subName + ']';
-                    toReturn[newName] = flatObject[subName];
-                }
-            } else {
-                toReturn[name] = value;
-            }
-        }
-
-        return toReturn;
     }
 
     /**
@@ -650,9 +581,10 @@ export class CoreUtilsProvider {
      *
      * @param object Variable.
      * @returns Type guard indicating if this is an object.
+     * @deprecated since 5.0. Use CoreObject.isObject instead.
      */
     isObject(object: unknown): object is Record<string, unknown> {
-        return typeof object === 'object' && object !== null;
+        return CoreObject.isObject(object);
     }
 
     /**
@@ -672,22 +604,10 @@ export class CoreUtilsProvider {
      * @param array Array to search.
      * @param regex RegExp to apply to each string.
      * @returns Index of the first string that matches the RegExp. -1 if not found.
+     * @deprecated since 4.4. Use CoreArray.indexOfRegexp instead.
      */
     indexOfRegexp(array: string[], regex: RegExp): number {
-        if (!array || !array.length) {
+        return CoreArray.indexOfRegexp(array, regex);
-            return -1;
-        }
-
-        for (let i = 0; i < array.length; i++) {
-            const entry = array[i];
-            const matches = entry.match(regex);
-
-            if (matches && matches.length) {
-                return i;
-            }
-        }
-
-        return -1;
     }
 
     /**
@@ -787,9 +707,10 @@ export class CoreUtilsProvider {
      * @param array2 The second array.
      * @param [key] Key of the property that must be unique. If not specified, the whole entry.
      * @returns Merged array.
+     * @deprecated since 5.0. Use CoreArray.mergeWithoutDuplicates instead.
      */
     mergeArraysWithoutDuplicates<T>(array1: T[], array2: T[], key?: string): T[] {
-        return CoreArray.unique(array1.concat(array2), key) as T[];
+        return CoreArray.mergeWithoutDuplicates(array1, array2, key);
     }
 
     /**
@@ -855,9 +776,10 @@ export class CoreUtilsProvider {
      *
      * @param obj Object to convert.
      * @returns Array with the values of the object but losing the keys.
+     * @deprecated since 5.0. Use CoreObject.toArray instead.
      */
     objectToArray<T>(obj: Record<string, T>): T[] {
-        return Object.keys(obj).map((key) => obj[key]);
+        return CoreObject.toArray(obj);
     }
 
     /**
@@ -871,6 +793,7 @@ export class CoreUtilsProvider {
      * @param sortByKey True to sort keys alphabetically, false otherwise. Has priority over sortByValue.
      * @param sortByValue True to sort values alphabetically, false otherwise.
      * @returns Array of objects with the name & value of each property.
+     * @deprecated since 5.0. Use CoreObject.toArrayOfObjects instead.
      */
     objectToArrayOfObjects<
         A extends Record<string,unknown> = Record<string, unknown>,
@@ -882,53 +805,7 @@ export class CoreUtilsProvider {
         sortByKey?: boolean,
         sortByValue?: boolean,
     ): A[] {
-        // Get the entries from an object or primitive value.
+        return CoreObject.toArrayOfObjects(obj, keyName, valueName, sortByKey, sortByValue);
-        const getEntries = (elKey: string, value: unknown): Record<string, unknown>[] | unknown => {
-            if (value === undefined || value == null) {
-                // Filter undefined and null values.
-                return;
-            } else if (this.isObject(value)) {
-                // It's an object, return at least an entry for each property.
-                const keys = Object.keys(value);
-                let entries: unknown[] = [];
-
-                keys.forEach((key) => {
-                    const newElKey = elKey ? elKey + '[' + key + ']' : key;
-                    const subEntries = getEntries(newElKey, value[key]);
-
-                    if (subEntries) {
-                        entries = entries.concat(subEntries);
-                    }
-                });
-
-                return entries;
-            } else {
-                // Not an object, return a single entry.
-                const entry = {};
-                entry[keyName] = elKey;
-                entry[valueName] = value;
-
-                return entry;
-            }
-        };
-
-        if (!obj) {
-            return [];
-        }
-
-        // "obj" will always be an object, so "entries" will always be an array.
-        const entries = getEntries('', obj) as A[];
-        if (sortByKey || sortByValue) {
-            return entries.sort((a, b) => {
-                if (sortByKey) {
-                    return (a[keyName] as number) >= (b[keyName] as number) ? 1 : -1;
-                } else {
-                    return (a[valueName] as number) >= (b[valueName] as number) ? 1 : -1;
-                }
-            });
-        }
-
-        return entries;
     }
 
     /**
@@ -940,6 +817,7 @@ export class CoreUtilsProvider {
      * @param valueName Name of the properties where the values are stored.
      * @param keyPrefix Key prefix if neededs to delete it.
      * @returns Object.
+     * @deprecated since 5.0. Use CoreObject.toKeyValueMap instead.
      */
     objectToKeyValueMap<T = unknown>(
         objects: Record<string, unknown>[],
@@ -947,15 +825,7 @@ export class CoreUtilsProvider {
         valueName: string,
         keyPrefix?: string,
     ): {[name: string]: T} {
-        const prefixSubstr = keyPrefix ? keyPrefix.length : 0;
+        return CoreObject.toKeyValueMap(objects, keyName, valueName, keyPrefix);
-        const mapped = {};
-        objects.forEach((item) => {
-            const keyValue = item[keyName] as string;
-            const key = prefixSubstr > 0 ? keyValue.substring(prefixSubstr) : keyValue;
-            mapped[key] = item[valueName];
-        });
-
-        return mapped;
     }
 
     /**
@@ -964,29 +834,10 @@ export class CoreUtilsProvider {
      * @param object Object to convert.
      * @param removeEmpty Whether to remove params whose value is null/undefined.
      * @returns GET params.
+     * @deprecated since 5.0. Use CoreObject.toGetParams instead.
      */
     objectToGetParams(object: Record<string, unknown>, removeEmpty: boolean = true): string {
-        // First of all, flatten the object so all properties are in the first level.
+        return CoreObject.toGetParams(object, removeEmpty);
-        const flattened = this.flattenObject(object);
-        let result = '';
-        let joinChar = '';
-
-        for (const name in flattened) {
-            let value = flattened[name];
-
-            if (removeEmpty && (value === null || value === undefined)) {
-                continue;
-            }
-
-            if (typeof value == 'boolean') {
-                value = value ? 1 : 0;
-            }
-
-            result += joinChar + name + '=' + value;
-            joinChar = '&';
-        }
-
-        return result;
     }
 
     /**
@@ -995,6 +846,7 @@ export class CoreUtilsProvider {
      * @param data Object.
      * @param prefix Prefix to add.
      * @returns Prefixed object.
+     * @deprecated since 5.0. Not used anymore
      */
     prefixKeys(data: Record<string, unknown>, prefix: string): Record<string, unknown> {
         const newObj = {};
@@ -1012,9 +864,10 @@ export class CoreUtilsProvider {
      *
      * @param enumeration Enumeration object.
      * @returns Keys of the enumeration.
+     * @deprecated since 5.0. Use CoreObject.enumKeys instead.
      */
     enumKeys<O extends object, K extends keyof O = keyof O>(enumeration: O): K[] {
-        return Object.keys(enumeration).filter(k => Number.isNaN(+k)) as K[];
+        return CoreObject.enumKeys(enumeration);
     }
 
     /**
@@ -1048,23 +901,14 @@ export class CoreUtilsProvider {
      * @param obj2 The second object or array.
      * @param key Key to check.
      * @returns Whether the two objects/arrays have the same value (or lack of one) for a given key.
+     * @deprecated since 5.0. Use CoreObject.sameAtKeyMissingIsBlank instead.
      */
     sameAtKeyMissingIsBlank(
         obj1: Record<string, unknown> | unknown[],
         obj2: Record<string, unknown> | unknown[],
         key: string,
     ): boolean {
-        let value1 = obj1[key] !== undefined ? obj1[key] : '';
+        return CoreObject.sameAtKeyMissingIsBlank(obj1, obj2, key);
-        let value2 = obj2[key] !== undefined ? obj2[key] : '';
-
-        if (typeof value1 == 'number' || typeof value1 == 'boolean') {
-            value1 = '' + value1;
-        }
-        if (typeof value2 == 'number' || typeof value2 == 'boolean') {
-            value2 = '' + value2;
-        }
-
-        return value1 === value2;
     }
 
     /**
@@ -1073,9 +917,11 @@ export class CoreUtilsProvider {
      *
      * @param obj Object to stringify.
      * @returns Stringified object.
+     * @deprecated since 5.0. Use CoreObject.sortAndStringify instead.
      */
     sortAndStringify(obj: Record<string, unknown>): string {
-        return JSON.stringify(this.sortProperties(obj));
+        return CoreObject.sortAndStringify(obj);
+
     }
 
     /**
@@ -1083,19 +929,10 @@ export class CoreUtilsProvider {
      *
      * @param obj The object to sort. If it isn't an object, the original value will be returned.
      * @returns Sorted object.
+     * @deprecated since 5.0. Use CoreObject.sortProperties instead.
      */
     sortProperties<T>(obj: T): T {
-        if (obj != null && typeof obj == 'object' && !Array.isArray(obj)) {
+        return CoreObject.sortProperties(obj);
-            // It's an object, sort it.
-            return Object.keys(obj).sort().reduce((accumulator, key) => {
-                // Always call sort with the value. If it isn't an object, the original value will be returned.
-                accumulator[key] = this.sortProperties(obj[key]);
-
-                return accumulator;
-            }, {} as T);
-        } else {
-            return obj;
-        }
     }
 
     /**
@@ -1103,16 +940,10 @@ export class CoreUtilsProvider {
      *
      * @param obj The object to sort. If it isn't an object, the original value will be returned.
      * @returns Sorted object.
+     * @deprecated since 5.0. Use CoreObject.sortValues instead.
      */
     sortValues<T>(obj: T): T {
-        if (typeof obj == 'object' && !Array.isArray(obj)) {
+        return CoreObject.sortValues(obj);
-            // It's an object, sort it. Convert it to an array to be able to sort it and then convert it back to object.
-            const array = this.objectToArrayOfObjects(obj as Record<string, unknown>, 'name', 'value', false, true);
-
-            return this.objectToKeyValueMap(array, 'name', 'value') as unknown as T;
-        } else {
-            return obj;
-        }
     }
 
     /**

src/core/services/ws.ts

@@ -170,7 +170,7 @@ export class CoreWSProvider {
             if (value == null) {
                 // Skip null or undefined value.
                 continue;
-            } else if (typeof value == 'object') {
+            } else if (typeof value === 'object') {
                 // Object or array.
                 value = this.convertValuesToString(value, stripUnicode);
                 if (value == null) {
@@ -498,7 +498,7 @@ export class CoreWSProvider {
             }
 
             // Check if error. Ajax layer should always return an object (if error) or an array (if success).
-            if (!data || typeof data != 'object') {
+            if (!data || typeof data !== 'object') {
                 const message = CoreSites.isLoggedIn()
                     ? Translate.instant('core.siteunavailablehelp', { site: CoreSites.getCurrentSite()?.siteUrl })
                     : Translate.instant('core.sitenotfoundhelp');
@@ -1090,7 +1090,7 @@ export class CoreWSProvider {
                     }),
                 },
             });
-        } else if (typeof data != 'object') {
+        } else if (typeof data !== 'object') {
             this.logger.warn('Upload file: Response of type "' + typeof data + '" received, expecting "object"');
 
             throw await this.createCannotConnectSiteError(preSets.siteUrl, {

src/core/singletons/array.ts

@@ -17,6 +17,62 @@
  */
 export class CoreArray {
 
+    // Avoid creating singleton instances.
+    private constructor() {
+        // Nothing to do.
+    }
+
+    /**
+     * Converts an array of objects to an object, using a property of each entry as the key.
+     * It can also be used to convert an array of strings to an object where the keys are the elements of the array.
+     * E.g. [{id: 10, name: 'A'}, {id: 11, name: 'B'}] => {10: {id: 10, name: 'A'}, 11: {id: 11, name: 'B'}}
+     *
+     * @param array The array to convert.
+     * @param propertyName The name of the property to use as the key. If not provided, the whole item will be used.
+     * @param result Object where to put the properties. If not defined, a new object will be created.
+     * @returns The object.
+     */
+    static toObject<T>(
+        array: T[] = [],
+        propertyName?: string,
+        result: Record<string, T> = {},
+    ): Record<string, T> {
+        for (const entry of array) {
+            const key = propertyName ? entry[propertyName] : entry;
+
+            result[key] = entry;
+        }
+
+        return result;
+    }
+
+    /**
+     * Converts an array of objects to an indexed array, using a property of each entry as the key.
+     * Every entry will contain an array of the found objects of the property identifier.
+     * E.g. [{id: 10, name: 'A'}, {id: 10, name: 'B'}] => {10: [ {id: 10, name: 'A'}, {id: 10, name: 'B'} ] }
+     *
+     * @param array The array to convert.
+     * @param propertyName The name of the property to use as the key. If not provided, the whole item will be used.
+     * @param result Object where to put the properties. If not defined, a new object will be created.
+     * @returns The object.
+     */
+    static toObjectMultiple<T>(
+        array: T[] = [],
+        propertyName?: string,
+        result: Record<string, T[]> = {},
+    ): Record<string, T[]> {
+        for (const entry of array) {
+            const key = propertyName ? entry[propertyName] : entry;
+            if (result[key] === undefined) {
+                result[key] = [];
+            }
+
+            result[key].push(entry);
+        }
+
+        return result;
+    }
+
     /**
      * Flatten the first dimension of a multi-dimensional array.
      *
@@ -93,4 +149,40 @@ export class CoreArray {
         });
     }
 
+    /**
+     * Merge two arrays, removing duplicate values.
+     *
+     * @param array1 The first array.
+     * @param array2 The second array.
+     * @param [key] Key of the property that must be unique. If not specified, the whole entry.
+     * @returns Merged array.
+     */
+    static mergeWithoutDuplicates<T>(array1: T[], array2: T[], key?: string): T[] {
+        return CoreArray.unique(array1.concat(array2), key) as T[];
+    }
+
+    /**
+     * Gets the index of the first string that matches a regular expression.
+     *
+     * @param array Array to search.
+     * @param regex RegExp to apply to each string.
+     * @returns Index of the first string that matches the RegExp. -1 if not found.
+     */
+    static indexOfRegexp(array: string[], regex: RegExp): number {
+        if (!array || !array.length) {
+            return -1;
+        }
+
+        for (let i = 0; i < array.length; i++) {
+            const entry = array[i];
+            const matches = entry.match(regex);
+
+            if (matches && matches.length) {
+                return i;
+            }
+        }
+
+        return -1;
+    }
+
 }

src/core/singletons/file-utils.ts

@@ -44,7 +44,7 @@ export class CoreFileUtils {
      */
     static valueIsFileEntry(file: unknown): file is FileEntry {
         // We cannot use instanceof because FileEntry is a type. Check some of the properties.
-        return !!(file && typeof file == 'object' && 'isFile' in file && 'filesystem' in file &&
+        return !!(file && typeof file === 'object' && 'isFile' in file && 'filesystem' in file &&
             'toInternalURL' in file && 'copyTo' in file);
     }
 

src/core/singletons/object.ts

@@ -30,6 +30,11 @@ export type CoreObjectWithoutUndefined<T> = Pretty<{
  */
 export class CoreObject {
 
+    // Avoid creating singleton instances.
+    private constructor() {
+        // Nothing to do.
+    }
+
     /**
      * Returns a value of an object and deletes it from the object.
      *
@@ -170,4 +175,335 @@ export class CoreObject {
         return cleanObj as CoreObjectWithoutUndefined<T>;
     }
 
+    /**
+     * Tests to see whether two arrays or objects have the same value at a particular key.
+     * Missing values are replaced by '', and the values are compared with ===.
+     * Booleans and numbers are cast to string before comparing.
+     *
+     * @param obj1 The first object or array.
+     * @param obj2 The second object or array.
+     * @param key Key to check.
+     * @returns Whether the two objects/arrays have the same value (or lack of one) for a given key.
+     */
+    static sameAtKeyMissingIsBlank(
+        obj1: Record<string, unknown> | unknown[],
+        obj2: Record<string, unknown> | unknown[],
+        key: string,
+    ): boolean {
+        let value1 = obj1[key] !== undefined ? obj1[key] : '';
+        let value2 = obj2[key] !== undefined ? obj2[key] : '';
+
+        if (typeof value1 == 'number' || typeof value1 == 'boolean') {
+            value1 = '' + value1;
+        }
+        if (typeof value2 == 'number' || typeof value2 == 'boolean') {
+            value2 = '' + value2;
+        }
+
+        return value1 === value2;
+    }
+
+    /**
+     * Stringify an object, sorting the properties. It doesn't sort arrays, only object properties. E.g.:
+     * {b: 2, a: 1} -> '{"a":1,"b":2}'
+     *
+     * @param obj Object to stringify.
+     * @returns Stringified object.
+     */
+    static sortAndStringify(obj: Record<string, unknown>): string {
+        return JSON.stringify(CoreObject.sortProperties(obj));
+    }
+
+    /**
+     * Given an object, sort its properties and the properties of all the nested objects.
+     *
+     * @param obj The object to sort. If it isn't an object, the original value will be returned.
+     * @returns Sorted object.
+     */
+    static sortProperties<T>(obj: T): T {
+        if (obj != null && typeof obj === 'object' && !Array.isArray(obj)) {
+            // It's an object, sort it.
+            return Object.keys(obj).sort().reduce((accumulator, key) => {
+                // Always call sort with the value. If it isn't an object, the original value will be returned.
+                accumulator[key] = CoreObject.sortProperties(obj[key]);
+
+                return accumulator;
+            }, {} as T);
+        }
+
+        return obj;
+    }
+
+    /**
+     * Given an object, sort its values. Values need to be primitive values, it cannot have subobjects.
+     *
+     * @param obj The object to sort. If it isn't an object, the original value will be returned.
+     * @returns Sorted object.
+     */
+    static sortValues<T>(obj: T): T {
+        if (typeof obj === 'object' && !Array.isArray(obj)) {
+            // It's an object, sort it. Convert it to an array to be able to sort it and then convert it back to object.
+            const array = CoreObject.toArrayOfObjects(obj as Record<string, unknown>, 'name', 'value', false, true);
+
+            return CoreObject.toKeyValueMap(array, 'name', 'value') as unknown as T;
+        }
+
+        return obj;
+    }
+
+    /**
+     * Converts an object into an array, losing the keys.
+     *
+     * @param obj Object to convert.
+     * @returns Array with the values of the object but losing the keys.
+     */
+    static toArray<T>(obj: Record<string, T>): T[] {
+        return Object.keys(obj).map((key) => obj[key]);
+    }
+
+    /**
+     * Converts an object into an array of objects, where each entry is an object containing
+     * the key and value of the original object.
+     * For example, it can convert {size: 2} into [{name: 'size', value: 2}].
+     *
+     * @param obj Object to convert.
+     * @param keyName Name of the properties where to store the keys.
+     * @param valueName Name of the properties where to store the values.
+     * @param sortByKey True to sort keys alphabetically, false otherwise. Has priority over sortByValue.
+     * @param sortByValue True to sort values alphabetically, false otherwise.
+     * @returns Array of objects with the name & value of each property.
+     */
+    static toArrayOfObjects<
+        A extends Record<string,unknown> = Record<string, unknown>,
+        O extends Record<string, unknown> = Record<string, unknown>
+    >(
+        obj: O,
+        keyName: string,
+        valueName: string,
+        sortByKey?: boolean,
+        sortByValue?: boolean,
+    ): A[] {
+        // Get the entries from an object or primitive value.
+        const getEntries = (elKey: string, value: unknown): Record<string, unknown>[] | unknown => {
+            if (value === undefined || value == null) {
+                // Filter undefined and null values.
+                return;
+            } else if (CoreObject.isObject(value)) {
+                // It's an object, return at least an entry for each property.
+                const keys = Object.keys(value);
+                let entries: unknown[] = [];
+
+                keys.forEach((key) => {
+                    const newElKey = elKey ? elKey + '[' + key + ']' : key;
+                    const subEntries = getEntries(newElKey, value[key]);
+
+                    if (subEntries) {
+                        entries = entries.concat(subEntries);
+                    }
+                });
+
+                return entries;
+            } else {
+                // Not an object, return a single entry.
+                const entry = {};
+                entry[keyName] = elKey;
+                entry[valueName] = value;
+
+                return entry;
+            }
+        };
+
+        if (!obj) {
+            return [];
+        }
+
+        // "obj" will always be an object, so "entries" will always be an array.
+        const entries = getEntries('', obj) as A[];
+        if (sortByKey || sortByValue) {
+            return entries.sort((a, b) => {
+                if (sortByKey) {
+                    return (a[keyName] as number) >= (b[keyName] as number) ? 1 : -1;
+                } else {
+                    return (a[valueName] as number) >= (b[valueName] as number) ? 1 : -1;
+                }
+            });
+        }
+
+        return entries;
+    }
+
+    /**
+     * Converts an array of objects into an object with key and value. The opposite of objectToArrayOfObjects.
+     * For example, it can convert [{name: 'size', value: 2}] into {size: 2}.
+     *
+     * @param objects List of objects to convert.
+     * @param keyName Name of the properties where the keys are stored.
+     * @param valueName Name of the properties where the values are stored.
+     * @param keyPrefix Key prefix if neededs to delete it.
+     * @returns Object.
+     */
+    static toKeyValueMap<T = unknown>(
+        objects: Record<string, unknown>[],
+        keyName: string,
+        valueName: string,
+        keyPrefix?: string,
+    ): {[name: string]: T} {
+        const prefixSubstr = keyPrefix ? keyPrefix.length : 0;
+        const mapped = {};
+        objects.forEach((item) => {
+            const keyValue = item[keyName] as string;
+            const key = prefixSubstr > 0 ? keyValue.substring(prefixSubstr) : keyValue;
+            mapped[key] = item[valueName];
+        });
+
+        return mapped;
+    }
+
+    /**
+     * Convert an object to a format of GET param. E.g.: {a: 1, b: 2} -> a=1&b=2
+     *
+     * @param object Object to convert.
+     * @param removeEmpty Whether to remove params whose value is null/undefined.
+     * @returns GET params.
+     */
+    static toGetParams(object: Record<string, unknown>, removeEmpty: boolean = true): string {
+        // First of all, flatten the object so all properties are in the first level.
+        const flattened = CoreObject.flatten(object);
+        let result = '';
+        let joinChar = '';
+
+        for (const name in flattened) {
+            let value = flattened[name];
+
+            if (removeEmpty && (value === null || value === undefined)) {
+                continue;
+            }
+
+            if (typeof value === 'boolean') {
+                value = value ? 1 : 0;
+            }
+
+            result += joinChar + name + '=' + value;
+            joinChar = '&';
+        }
+
+        return result;
+    }
+
+    /**
+     * Function to enumerate enum keys.
+     *
+     * @param enumeration Enumeration object.
+     * @returns Keys of the enumeration.
+     */
+    static enumKeys<O extends object, K extends keyof O = keyof O>(enumeration: O): K[] {
+        return Object.keys(enumeration).filter(k => Number.isNaN(+k)) as K[];
+    }
+
+    /**
+     * Check if a value is an object.
+     *
+     * @param object Variable.
+     * @returns Type guard indicating if this is an object.
+     */
+    static isObject(object: unknown): object is Record<string, unknown> {
+        return typeof object === 'object' && object !== null;
+    }
+
+    /**
+     * Flatten an object, moving subobjects' properties to the first level.
+     * It supports 2 notations: dot notation and square brackets.
+     * E.g.: {a: {b: 1, c: 2}, d: 3} -> {'a.b': 1, 'a.c': 2, d: 3}
+     *
+     * @param obj Object to flatten.
+     * @param useDotNotation Whether to use dot notation '.' or square brackets '['.
+     * @returns Flattened object.
+     */
+    static flatten(obj: Record<string, unknown>, useDotNotation?: boolean): Record<string, unknown> {
+        const toReturn = {};
+
+        for (const name in obj) {
+            if (!Object.prototype.hasOwnProperty.call(obj, name)) {
+                continue;
+            }
+
+            const value = obj[name];
+            if (typeof value === 'object' && !Array.isArray(value)) {
+                const flatObject = CoreObject.flatten(value as Record<string, unknown>);
+                for (const subName in flatObject) {
+                    if (!Object.prototype.hasOwnProperty.call(flatObject, subName)) {
+                        continue;
+                    }
+
+                    const newName = useDotNotation ? name + '.' + subName : name + '[' + subName + ']';
+                    toReturn[newName] = flatObject[subName];
+                }
+            } else {
+                toReturn[name] = value;
+            }
+        }
+
+        return toReturn;
+    }
+
+    /**
+     * Compare two objects. This function won't compare functions and proto properties, it's a basic compare.
+     * Also, this will only check if itemA's properties are in itemB with same value. This function will still
+     * return true if itemB has more properties than itemA.
+     *
+     * @param itemA First object.
+     * @param itemB Second object.
+     * @param maxLevels Number of levels to reach if 2 objects are compared.
+     * @param level Current deep level (when comparing objects).
+     * @param undefinedIsNull True if undefined is equal to null. Defaults to true.
+     * @returns Whether both items are equal.
+     */
+    static basicLeftCompare(
+        itemA: any, // eslint-disable-line @typescript-eslint/no-explicit-any
+        itemB: any, // eslint-disable-line @typescript-eslint/no-explicit-any
+        maxLevels: number = 0,
+        level: number = 0,
+        undefinedIsNull: boolean = true,
+    ): boolean {
+        if (typeof itemA == 'function' || typeof itemB == 'function') {
+            return true; // Don't compare functions.
+        }
+
+        if (typeof itemA === 'object' && typeof itemB === 'object') {
+            if (level >= maxLevels) {
+                return true; // Max deep reached.
+            }
+
+            let equal = true;
+            for (const name in itemA) {
+                const value = itemA[name];
+                if (name == '$$hashKey') {
+                    // Ignore $$hashKey property since it's a "calculated" property.
+                    continue;
+                }
+
+                if (!CoreObject.basicLeftCompare(value, itemB[name], maxLevels, level + 1)) {
+                    equal = false;
+                }
+            }
+
+            return equal;
+        }
+
+        if (undefinedIsNull && (
+            (itemA === undefined && itemB === null) || (itemA === null && itemB === undefined))) {
+            return true;
+        }
+
+        // We'll treat "2" and 2 as the same value.
+        const floatA = parseFloat(itemA);
+        const floatB = parseFloat(itemB);
+
+        if (!isNaN(floatA) && !isNaN(floatB)) {
+            return floatA == floatB;
+        }
+
+        return itemA === itemB;
+    }
+
 }