MOBILE-4081 core: Remove most .bind() usage

src/addons/block/myoverview/components/myoverview/myoverview.ts

@@ -280,7 +280,7 @@ export class AddonBlockMyOverviewComponent extends CoreBlockBaseComponent implem
                 loadCategoryNames: showCategories,
                 readingStrategy: this.isDirty ? CoreSitesReadingStrategy.PREFER_NETWORK : loadWatcher.getReadingStrategy(),
             }),
-            this.coursesHaveMeaningfulChanges.bind(this),
+            (prevCourses, newCourses) => this.coursesHaveMeaningfulChanges(prevCourses, newCourses),
         );
 
         this.hasCourses = this.allCourses.length > 0;
@@ -532,7 +532,7 @@ export class AddonBlockMyOverviewComponent extends CoreBlockBaseComponent implem
                             CoreCourses.getEnrolledCoursesByCustomFieldObservable(customFilterName, customFilterValue, {
                                 readingStrategy: loadWatcher.getReadingStrategy(),
                             }),
-                            this.customFilterCoursesHaveMeaningfulChanges.bind(this),
+                            (prevCourses, newCourses) => this.customFilterCoursesHaveMeaningfulChanges(prevCourses, newCourses),
                         )
                         :
                         await CoreCourses.getEnrolledCoursesByCustomField(customFilterName, customFilterValue);

src/addons/blog/services/handlers/course-option.ts

@@ -20,8 +20,7 @@ import {
     CoreCourseOptionsHandler,
     CoreCourseOptionsHandlerData,
 } from '@features/course/services/course-options-delegate';
-import { CoreCourseUserAdminOrNavOptionIndexed } from '@features/courses/services/courses';
+import { CoreCourseAnyCourseData, CoreCourseUserAdminOrNavOptionIndexed } from '@features/courses/services/courses';
-import { CoreEnrolledCourseDataWithExtraInfoAndOptions } from '@features/courses/services/courses-helper';
 import { CoreFilepool } from '@services/filepool';
 import { CoreSites } from '@services/sites';
 import { CoreWSFile } from '@services/ws';
@@ -83,7 +82,7 @@ export class AddonBlogCourseOptionHandlerService implements CoreCourseOptionsHan
     /**
      * @inheritdoc
      */
-    async prefetch(course: CoreEnrolledCourseDataWithExtraInfoAndOptions): Promise<void> {
+    async prefetch(course: CoreCourseAnyCourseData): Promise<void> {
         const siteId = CoreSites.getCurrentSiteId();
 
         const result = await AddonBlog.getEntries({ courseid: course.id });

src/addons/calendar/pages/event/event.page.ts

@@ -111,14 +111,14 @@ export class AddonCalendarEventPage implements OnInit, OnDestroy {
         // Refresh data if this calendar event is synchronized automatically.
         this.syncObserver = CoreEvents.on(
             AddonCalendarSyncProvider.AUTO_SYNCED,
-            this.checkSyncResult.bind(this, false),
+            (data) => this.checkSyncResult(false, data),
             this.currentSiteId,
         );
 
         // Refresh data if calendar events are synchronized manually but not by this page.
         this.manualSyncObserver = CoreEvents.on(
             AddonCalendarSyncProvider.MANUAL_SYNCED,
-            this.checkSyncResult.bind(this, true),
+            (data) => this.checkSyncResult(true, data),
             this.currentSiteId,
         );
 

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

@@ -55,7 +55,7 @@ export class AddonCalendarSyncProvider extends CoreSyncBaseProvider<AddonCalenda
      * @return Promise resolved if sync is successful, rejected if sync fails.
      */
     async syncAllEvents(siteId?: string, force = false): Promise<void> {
-        await this.syncOnSites('all calendar events', this.syncAllEventsFunc.bind(this, force), siteId);
+        await this.syncOnSites('all calendar events', (siteId) => this.syncAllEventsFunc(force, siteId), siteId);
     }
 
     /**

src/addons/competency/services/handlers/course-option.ts

@@ -21,8 +21,7 @@ import {
 } from '@features/course/services/course-options-delegate';
 import { makeSingleton } from '@singletons';
 import { AddonCompetency } from '../competency';
-import { CoreCourseUserAdminOrNavOptionIndexed } from '@features/courses/services/courses';
+import { CoreCourseAnyCourseData, CoreCourseUserAdminOrNavOptionIndexed } from '@features/courses/services/courses';
-import { CoreEnrolledCourseDataWithExtraInfoAndOptions } from '@features/courses/services/courses-helper';
 import { CoreFilterHelper } from '@features/filter/services/filter-helper';
 import { ContextLevel } from '@/core/constants';
 import { ADDON_COMPETENCY_COMPETENCIES_PAGE } from '@addons/competency/competency.module';
@@ -94,7 +93,7 @@ export class AddonCompetencyCourseOptionHandlerService implements CoreCourseOpti
     /**
      * @inheritdoc
      */
-    async prefetch(course: CoreEnrolledCourseDataWithExtraInfoAndOptions): Promise<void> {
+    async prefetch(course: CoreCourseAnyCourseData): Promise<void> {
         // Get the competencies in the course.
         const competencies = await AddonCompetency.getCourseCompetencies(course.id, undefined, undefined, true);
 

src/addons/coursecompletion/services/handlers/course-option.ts

@@ -19,7 +19,7 @@ import {
     CoreCourseOptionsHandler,
     CoreCourseOptionsHandlerData,
 } from '@features/course/services/course-options-delegate';
-import { CoreEnrolledCourseDataWithExtraInfoAndOptions } from '@features/courses/services/courses-helper';
+import { CoreCourseAnyCourseData } from '@features/courses/services/courses';
 import { makeSingleton } from '@singletons';
 import { AddonCourseCompletion } from '../coursecompletion';
 
@@ -77,7 +77,7 @@ export class AddonCourseCompletionCourseOptionHandlerService implements CoreCour
     /**
      * @inheritdoc
      */
-    async prefetch(course: CoreEnrolledCourseDataWithExtraInfoAndOptions): Promise<void> {
+    async prefetch(course: CoreCourseAnyCourseData): Promise<void> {
         try {
             await AddonCourseCompletion.getCompletion(course.id, undefined, {
                 getFromCache: false,

src/addons/messages/services/messages-sync.ts

@@ -74,7 +74,7 @@ export class AddonMessagesSyncProvider extends CoreSyncBaseProvider<AddonMessage
     syncAllDiscussions(siteId?: string, onlyDeviceOffline: boolean = false): Promise<void> {
         const syncFunctionLog = 'all discussions' + (onlyDeviceOffline ? ' (Only offline)' : '');
 
-        return this.syncOnSites(syncFunctionLog, this.syncAllDiscussionsFunc.bind(this, onlyDeviceOffline), siteId);
+        return this.syncOnSites(syncFunctionLog, (siteId) => this.syncAllDiscussionsFunc(onlyDeviceOffline, siteId), siteId);
     }
 
     /**

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

@@ -108,7 +108,7 @@ export class AddonModAssignSyncProvider extends CoreCourseActivitySyncBaseProvid
      * @return Promise resolved if sync is successful, rejected if sync fails.
      */
     syncAllAssignments(siteId?: string, force?: boolean): Promise<void> {
-        return this.syncOnSites('all assignments', this.syncAllAssignmentsFunc.bind(this, !!force), siteId);
+        return this.syncOnSites('all assignments', (siteId) => this.syncAllAssignmentsFunc(!!force, siteId), siteId);
     }
 
     /**

src/addons/mod/assign/services/handlers/prefetch.ts

@@ -222,7 +222,7 @@ export class AddonModAssignPrefetchHandlerService extends CoreCourseActivityPref
      * @inheritdoc
      */
     prefetch(module: CoreCourseAnyModuleData, courseId: number): Promise<void> {
-        return this.prefetchPackage(module, courseId, this.prefetchAssign.bind(this, module, courseId));
+        return this.prefetchPackage(module, courseId, (siteId) => this.prefetchAssign(module, courseId, siteId));
     }
 
     /**

src/addons/mod/chat/services/handlers/prefetch.ts

@@ -58,7 +58,7 @@ export class AddonModChatPrefetchHandlerService extends CoreCourseActivityPrefet
      * @inheritdoc
      */
     prefetch(module: CoreCourseAnyModuleData, courseId: number): Promise<void> {
-        return this.prefetchPackage(module, courseId, this.prefetchChat.bind(this, module, courseId));
+        return this.prefetchPackage(module, courseId, (siteId) => this.prefetchChat(module, courseId, siteId));
     }
 
     /**

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

@@ -59,7 +59,7 @@ export class AddonModChoiceSyncProvider extends CoreCourseActivitySyncBaseProvid
      * @return Promise resolved if sync is successful, rejected if sync fails.
      */
     syncAllChoices(siteId?: string, force?: boolean): Promise<void> {
-        return this.syncOnSites('all choices', this.syncAllChoicesFunc.bind(this, !!force), siteId);
+        return this.syncOnSites('all choices', (siteId) => this.syncAllChoicesFunc(!!force, siteId), siteId);
     }
 
     /**

src/addons/mod/choice/services/handlers/prefetch.ts

@@ -39,7 +39,7 @@ export class AddonModChoicePrefetchHandlerService extends CoreCourseActivityPref
      * @inheritdoc
      */
     prefetch(module: CoreCourseAnyModuleData, courseId: number, single?: boolean): Promise<void> {
-        return this.prefetchPackage(module, courseId, this.prefetchChoice.bind(this, module, courseId, !!single));
+        return this.prefetchPackage(module, courseId, (siteId) => this.prefetchChoice(module, courseId, !!single, siteId));
     }
 
     /**

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

@@ -95,7 +95,7 @@ export class AddonModDataIndexComponent extends CoreCourseModuleMainActivityComp
         database: AddonModDataData;
         title: string;
         group: number;
-        gotoEntry: (a: number) => void;
+        gotoEntry: (entryId: number) => void;
     };
 
     // Data for found records translation.
@@ -372,7 +372,7 @@ export class AddonModDataIndexComponent extends CoreCourseModuleMainActivityComp
                 database: this.database!,
                 title: this.module.name,
                 group: this.selectedGroup,
-                gotoEntry: this.gotoEntry.bind(this),
+                gotoEntry: (entryId) => this.gotoEntry(entryId),
             };
         } else if (!this.search.searching) {
             // Empty and no searching.

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

@@ -405,7 +405,7 @@ export class AddonModDataEditPage implements OnInit {
             form: this.editForm,
             database: this.database,
             errors: this.errors,
-            onFieldInit: this.onFieldInit.bind(this),
+            onFieldInit: (data) => this.onFieldInit(data),
         };
 
         let template = AddonModDataHelper.getTemplate(this.database!, AddonModDataTemplateType.ADD, this.fieldsArray);

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

@@ -116,7 +116,7 @@ export class AddonModDataOfflineProvider {
         const site = await CoreSites.getSite(siteId);
         const entries = await site.getDb().getAllRecords<AddonModDataEntryDBRecord>(DATA_ENTRY_TABLE);
 
-        return entries.map(this.parseRecord.bind(this));
+        return entries.map((entry) => this.parseRecord(entry));
     }
 
     /**
@@ -134,7 +134,7 @@ export class AddonModDataOfflineProvider {
             'timemodified',
         );
 
-        return entries.map(this.parseRecord.bind(this));
+        return entries.map((entry) => this.parseRecord(entry));
     }
 
     /**
@@ -177,7 +177,7 @@ export class AddonModDataOfflineProvider {
             { dataid: dataId, entryid: entryId },
         );
 
-        return entries.map(this.parseRecord.bind(this));
+        return entries.map((entry) => this.parseRecord(entry));
     }
 
     /**

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

@@ -66,7 +66,7 @@ export class AddonModDataSyncProvider extends CoreCourseActivitySyncBaseProvider
      * @return Promise resolved if sync is successful, rejected if sync fails.
      */
     syncAllDatabases(siteId?: string, force?: boolean): Promise<void> {
-        return this.syncOnSites('all databases', this.syncAllDatabasesFunc.bind(this, !!force), siteId);
+        return this.syncOnSites('all databases', (siteId) => this.syncAllDatabasesFunc(!!force, siteId), siteId);
     }
 
     /**

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

@@ -207,7 +207,7 @@ export class AddonModDataPrefetchHandlerService extends CoreCourseActivityPrefet
      * @inheritdoc
      */
     prefetch(module: CoreCourseAnyModuleData, courseId: number): Promise<void> {
-        return this.prefetchPackage(module, courseId, this.prefetchDatabase.bind(this, module, courseId));
+        return this.prefetchPackage(module, courseId, (siteId) => this.prefetchDatabase(module, courseId, siteId));
     }
 
     /**

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

@@ -65,7 +65,7 @@ export class AddonModFeedbackSyncProvider extends CoreCourseActivitySyncBaseProv
      * @return Promise resolved if sync is successful, rejected if sync fails.
      */
     syncAllFeedbacks(siteId?: string, force?: boolean): Promise<void> {
-        return this.syncOnSites('all feedbacks', this.syncAllFeedbacksFunc.bind(this, !!force), siteId);
+        return this.syncOnSites('all feedbacks', (siteId) => this.syncAllFeedbacksFunc(!!force, siteId), siteId);
     }
 
     /**
@@ -213,7 +213,7 @@ export class AddonModFeedbackSyncProvider extends CoreCourseActivitySyncBaseProv
         responses.sort((a, b) => a.page - b.page);
 
         const orderedData = responses.map((data) => ({
-            function: this.processPage.bind(this, feedback, data, siteId, timemodified, result),
+            function: () => this.processPage(feedback, data, siteId, timemodified, result),
             blocking: true,
         }));
 

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

@@ -114,7 +114,7 @@ export class AddonModFeedbackPrefetchHandlerService extends CoreCourseActivityPr
      * @inheritdoc
      */
     prefetch(module: CoreCourseAnyModuleData, courseId: number): Promise<void> {
-        return this.prefetchPackage(module, courseId, this.prefetchFeedback.bind(this, module, courseId));
+        return this.prefetchPackage(module, courseId, (siteId) => this.prefetchFeedback(module, courseId, siteId));
     }
 
     /**

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

@@ -238,11 +238,11 @@ export class AddonModForumIndexComponent extends CoreCourseModuleMainActivityCom
         // Listen for discussions added. When a discussion is added, we reload the data.
         this.newDiscObserver = CoreEvents.on(
             AddonModForumProvider.NEW_DISCUSSION_EVENT,
-            this.eventReceived.bind(this, true),
+            (data) => this.eventReceived(true, data),
         );
         this.replyObserver = CoreEvents.on(
             AddonModForumProvider.REPLY_DISCUSSION_EVENT,
-            this.eventReceived.bind(this, false),
+            (data) => this.eventReceived(false, data),
         );
         this.changeDiscObserver = CoreEvents.on(AddonModForumProvider.CHANGE_DISCUSSION_EVENT, data => {
             if (!this.forum) {

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

@@ -71,7 +71,7 @@ export class AddonModForumSyncProvider extends CoreCourseActivitySyncBaseProvide
      * @return Promise resolved if sync is successful, rejected if sync fails.
      */
     async syncAllForums(siteId?: string, force?: boolean): Promise<void> {
-        await this.syncOnSites('all forums', this.syncAllForumsFunc.bind(this, !!force), siteId);
+        await this.syncOnSites('all forums', (siteId) => this.syncAllForumsFunc(!!force, siteId), siteId);
     }
 
     /**

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

@@ -204,7 +204,7 @@ export class AddonModForumPrefetchHandlerService extends CoreCourseActivityPrefe
      * @inheritdoc
      */
     prefetch(module: CoreCourseAnyModuleData, courseId: number, single?: boolean): Promise<void> {
-        return this.prefetchPackage(module, courseId, this.prefetchForum.bind(this, module, courseId, single));
+        return this.prefetchPackage(module, courseId, (siteId) => this.prefetchForum(module, courseId, !!single, siteId));
     }
 
     /**

src/addons/mod/glossary/classes/glossary-entries-source.ts

@@ -43,7 +43,7 @@ export class AddonModGlossaryEntriesSource extends CoreRoutedItemsManagerSource<
     onlineEntries: AddonModGlossaryEntry[] = [];
     offlineEntries: AddonModGlossaryOfflineEntry[] = [];
 
-    protected fetchFunction?: (options?: AddonModGlossaryGetEntriesOptions) => AddonModGlossaryGetEntriesWSResponse;
+    protected fetchFunction?: (options?: AddonModGlossaryGetEntriesOptions) => Promise<AddonModGlossaryGetEntriesWSResponse>;
     protected fetchInvalidate?: () => Promise<void>;
 
     constructor(courseId: number, cmId: number, glossaryPathPrefix: string) {
@@ -162,17 +162,18 @@ export class AddonModGlossaryEntriesSource extends CoreRoutedItemsManagerSource<
             return;
         }
 
-        this.fetchFunction = AddonModGlossary.getEntriesBySearch.bind(
+        const glossaryId = this.glossary.id;
-            AddonModGlossary.instance,
+
-            this.glossary.id,
+        this.fetchFunction = (options) => AddonModGlossary.getEntriesBySearch(
+            glossaryId,
             query,
             true,
             'CONCEPT',
             'ASC',
+            options,
         );
-        this.fetchInvalidate = AddonModGlossary.invalidateEntriesBySearch.bind(
+        this.fetchInvalidate = () => AddonModGlossary.invalidateEntriesBySearch(
-            AddonModGlossary.instance,
+            glossaryId,
-            this.glossary.id,
             query,
             true,
             'CONCEPT',
@@ -210,6 +211,7 @@ export class AddonModGlossaryEntriesSource extends CoreRoutedItemsManagerSource<
             throw new Error('Can\'t switch entries mode without a glossary!');
         }
 
+        const glossaryId = this.glossary.id;
         this.fetchMode = mode;
         this.isSearch = false;
         this.setDirty(true);
@@ -218,16 +220,15 @@ export class AddonModGlossaryEntriesSource extends CoreRoutedItemsManagerSource<
             case 'author_all':
                 // Browse by author.
                 this.viewMode = 'author';
-                this.fetchFunction = AddonModGlossary.getEntriesByAuthor.bind(
+                this.fetchFunction = (options) => AddonModGlossary.getEntriesByAuthor(
-                    AddonModGlossary.instance,
+                    glossaryId,
-                    this.glossary.id,
                     'ALL',
                     'LASTNAME',
                     'ASC',
+                    options,
                 );
-                this.fetchInvalidate = AddonModGlossary.invalidateEntriesByAuthor.bind(
+                this.fetchInvalidate = () => AddonModGlossary.invalidateEntriesByAuthor(
-                    AddonModGlossary.instance,
+                    glossaryId,
-                    this.glossary.id,
                     'ALL',
                     'LASTNAME',
                     'ASC',
@@ -237,14 +238,13 @@ export class AddonModGlossaryEntriesSource extends CoreRoutedItemsManagerSource<
             case 'cat_all':
                 // Browse by category.
                 this.viewMode = 'cat';
-                this.fetchFunction = AddonModGlossary.getEntriesByCategory.bind(
+                this.fetchFunction = (options) => AddonModGlossary.getEntriesByCategory(
-                    AddonModGlossary.instance,
+                    glossaryId,
-                    this.glossary.id,
                     AddonModGlossaryProvider.SHOW_ALL_CATEGORIES,
+                    options,
                 );
-                this.fetchInvalidate = AddonModGlossary.invalidateEntriesByCategory.bind(
+                this.fetchInvalidate = () => AddonModGlossary.invalidateEntriesByCategory(
-                    AddonModGlossary.instance,
+                    glossaryId,
-                    this.glossary.id,
                     AddonModGlossaryProvider.SHOW_ALL_CATEGORIES,
                 );
                 break;
@@ -252,15 +252,14 @@ export class AddonModGlossaryEntriesSource extends CoreRoutedItemsManagerSource<
             case 'newest_first':
                 // Newest first.
                 this.viewMode = 'date';
-                this.fetchFunction = AddonModGlossary.getEntriesByDate.bind(
+                this.fetchFunction = (options) => AddonModGlossary.getEntriesByDate(
-                    AddonModGlossary.instance,
+                    glossaryId,
-                    this.glossary.id,
                     'CREATION',
                     'DESC',
+                    options,
                 );
-                this.fetchInvalidate = AddonModGlossary.invalidateEntriesByDate.bind(
+                this.fetchInvalidate = () => AddonModGlossary.invalidateEntriesByDate(
-                    AddonModGlossary.instance,
+                    glossaryId,
-                    this.glossary.id,
                     'CREATION',
                     'DESC',
                 );
@@ -269,15 +268,14 @@ export class AddonModGlossaryEntriesSource extends CoreRoutedItemsManagerSource<
             case 'recently_updated':
                 // Recently updated.
                 this.viewMode = 'date';
-                this.fetchFunction = AddonModGlossary.getEntriesByDate.bind(
+                this.fetchFunction = (options) => AddonModGlossary.getEntriesByDate(
-                    AddonModGlossary.instance,
+                    glossaryId,
-                    this.glossary.id,
                     'UPDATE',
                     'DESC',
+                    options,
                 );
-                this.fetchInvalidate = AddonModGlossary.invalidateEntriesByDate.bind(
+                this.fetchInvalidate = () => AddonModGlossary.invalidateEntriesByDate(
-                    AddonModGlossary.instance,
+                    glossaryId,
-                    this.glossary.id,
                     'UPDATE',
                     'DESC',
                 );
@@ -288,14 +286,13 @@ export class AddonModGlossaryEntriesSource extends CoreRoutedItemsManagerSource<
                 // Consider it is 'letter_all'.
                 this.viewMode = 'letter';
                 this.fetchMode = 'letter_all';
-                this.fetchFunction = AddonModGlossary.getEntriesByLetter.bind(
+                this.fetchFunction = (options) => AddonModGlossary.getEntriesByLetter(
-                    AddonModGlossary.instance,
+                    glossaryId,
-                    this.glossary.id,
                     'ALL',
+                    options,
                 );
-                this.fetchInvalidate = AddonModGlossary.invalidateEntriesByLetter.bind(
+                this.fetchInvalidate = () => AddonModGlossary.invalidateEntriesByLetter(
-                    AddonModGlossary.instance,
+                    glossaryId,
-                    this.glossary.id,
                     'ALL',
                 );
                 break;

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

@@ -53,7 +53,7 @@ export class AddonModGlossarySyncProvider extends CoreCourseActivitySyncBaseProv
      * @return Promise resolved if sync is successful, rejected if sync fails.
      */
     syncAllGlossaries(siteId?: string, force?: boolean): Promise<void> {
-        return this.syncOnSites('all glossaries', this.syncAllGlossariesFunc.bind(this, !!force), siteId);
+        return this.syncOnSites('all glossaries', (siteId) => this.syncAllGlossariesFunc(!!force, siteId), siteId);
     }
 
     /**

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

@@ -759,7 +759,7 @@ export class AddonModGlossaryProvider {
         const promises: Promise<void>[] = [];
 
         if (!onlyEntriesList) {
-            promises.push(this.fetchAllEntries(this.getEntriesByLetter.bind(this, glossary.id, 'ALL'), {
+            promises.push(this.fetchAllEntries((options) => this.getEntriesByLetter(glossary.id, 'ALL', options), {
                 cmId: glossary.coursemodule,
                 readingStrategy: CoreSitesReadingStrategy.PREFER_CACHE,
                 siteId,
@@ -993,7 +993,7 @@ export class AddonModGlossaryProvider {
 
             // If we get here, there's no offline entry with this name, check online.
             // Get entries from the cache.
-            const entries = await this.fetchAllEntries(this.getEntriesByLetter.bind(glossaryId, 'ALL'), {
+            const entries = await this.fetchAllEntries((options) => this.getEntriesByLetter(glossaryId, 'ALL', options), {
                 cmId: options.cmId,
                 readingStrategy: CoreSitesReadingStrategy.PREFER_CACHE,
                 siteId: options.siteId,

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

@@ -45,7 +45,7 @@ export class AddonModGlossaryPrefetchHandlerService extends CoreCourseActivityPr
             const glossary = await AddonModGlossary.getGlossary(courseId, module.id);
 
             const entries = await AddonModGlossary.fetchAllEntries(
-                AddonModGlossary.getEntriesByLetter.bind(AddonModGlossary.instance, glossary.id, 'ALL'),
+                (options) => AddonModGlossary.getEntriesByLetter(glossary.id, 'ALL', options),
                 {
                     cmId: module.id,
                 },
@@ -96,7 +96,7 @@ export class AddonModGlossaryPrefetchHandlerService extends CoreCourseActivityPr
      * @inheritdoc
      */
     prefetch(module: CoreCourseAnyModuleData, courseId: number): Promise<void> {
-        return this.prefetchPackage(module, courseId, this.prefetchGlossary.bind(this, module, courseId));
+        return this.prefetchPackage(module, courseId, (siteId) => this.prefetchGlossary(module, courseId, siteId));
     }
 
     /**
@@ -125,42 +125,42 @@ export class AddonModGlossaryPrefetchHandlerService extends CoreCourseActivityPr
                     break;
                 case 'cat':
                     promises.push(AddonModGlossary.fetchAllEntries(
-                        AddonModGlossary.getEntriesByCategory.bind(
+                        (newOptions) => AddonModGlossary.getEntriesByCategory(
-                            AddonModGlossary.instance,
                             glossary.id,
                             AddonModGlossaryProvider.SHOW_ALL_CATEGORIES,
+                            newOptions,
                         ),
                         options,
                     ));
                     break;
                 case 'date':
                     promises.push(AddonModGlossary.fetchAllEntries(
-                        AddonModGlossary.getEntriesByDate.bind(
+                        (newOptions) => AddonModGlossary.getEntriesByDate(
-                            AddonModGlossary.instance,
                             glossary.id,
                             'CREATION',
                             'DESC',
+                            newOptions,
                         ),
                         options,
                     ));
                     promises.push(AddonModGlossary.fetchAllEntries(
-                        AddonModGlossary.getEntriesByDate.bind(
+                        (newOptions) => AddonModGlossary.getEntriesByDate(
-                            AddonModGlossary.instance,
                             glossary.id,
                             'UPDATE',
                             'DESC',
+                            newOptions,
                         ),
                         options,
                     ));
                     break;
                 case 'author':
                     promises.push(AddonModGlossary.fetchAllEntries(
-                        AddonModGlossary.getEntriesByAuthor.bind(
+                        (newOptions) => AddonModGlossary.getEntriesByAuthor(
-                            AddonModGlossary.instance,
                             glossary.id,
                             'ALL',
                             'LASTNAME',
                             'ASC',
+                            newOptions,
                         ),
                         options,
                     ));
@@ -171,7 +171,7 @@ export class AddonModGlossaryPrefetchHandlerService extends CoreCourseActivityPr
 
         // Fetch all entries to get information from.
         promises.push(AddonModGlossary.fetchAllEntries(
-            AddonModGlossary.getEntriesByLetter.bind(AddonModGlossary.instance, glossary.id, 'ALL'),
+            (newOptions) => AddonModGlossary.getEntriesByLetter(glossary.id, 'ALL', newOptions),
             options,
         ).then((entries) => {
             const promises: Promise<unknown>[] = [];

src/addons/mod/h5pactivity/components/index/index.ts

@@ -98,7 +98,7 @@ export class AddonModH5PActivityIndexComponent extends CoreCourseModuleMainActiv
         this.siteCanDownload = this.site.canDownloadFiles() && !CoreH5P.isOfflineDisabledInSite();
 
         // Listen for messages from the iframe.
-        this.messageListenerFunction = this.onIframeMessage.bind(this);
+        this.messageListenerFunction = (event) => this.onIframeMessage(event);
         window.addEventListener('message', this.messageListenerFunction);
     }
 

src/addons/mod/h5pactivity/services/h5pactivity-sync.ts

@@ -48,7 +48,7 @@ export class AddonModH5PActivitySyncProvider extends CoreCourseActivitySyncBaseP
      * @return Promise resolved if sync is successful, rejected if sync fails.
      */
     syncAllActivities(siteId?: string, force?: boolean): Promise<void> {
-        return this.syncOnSites('H5P activities', this.syncAllActivitiesFunc.bind(this, !!force), siteId);
+        return this.syncOnSites('H5P activities', (siteId) => this.syncAllActivitiesFunc(!!force, siteId), siteId);
     }
 
     /**

src/addons/mod/h5pactivity/services/handlers/prefetch.ts

@@ -77,7 +77,7 @@ export class AddonModH5PActivityPrefetchHandlerService extends CoreCourseActivit
      * @inheritdoc
      */
     prefetch(module: CoreCourseAnyModuleData, courseId: number): Promise<void> {
-        return this.prefetchPackage(module, courseId, this.prefetchActivity.bind(this, module, courseId));
+        return this.prefetchPackage(module, courseId, (siteId) => this.prefetchActivity(module, courseId, siteId));
     }
 
     /**

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

@@ -285,12 +285,13 @@ export class AddonModLessonPlayerPage implements OnInit, OnDestroy, CanLeave {
                 this.offline = true;
             }
 
+            const lessonId = this.lesson.id;
             const options = {
                 cmId: this.cmId,
                 readingStrategy: this.offline ? CoreSitesReadingStrategy.PREFER_CACHE : CoreSitesReadingStrategy.ONLY_NETWORK,
             };
             this.accessInfo = await this.callFunction<AddonModLessonGetAccessInformationWSResponse>(
-                AddonModLesson.getAccessInformation.bind(AddonModLesson.instance, this.lesson.id, options),
+                () => AddonModLesson.getAccessInformation(lessonId, options),
                 options,
             );
 
@@ -321,7 +322,7 @@ export class AddonModLessonPlayerPage implements OnInit, OnDestroy, CanLeave {
                     readingStrategy: this.offline ? CoreSitesReadingStrategy.PREFER_CACHE : CoreSitesReadingStrategy.ONLY_NETWORK,
                 };
                 promises.push(this.callFunction<AddonModLessonLessonWSData>(
-                    AddonModLesson.getLessonWithPassword.bind(AddonModLesson.instance, this.lesson.id, options),
+                    () => AddonModLesson.getLessonWithPassword(lessonId, options),
                     options,
                 ).then((lesson) => {
                     this.lesson = lesson;
@@ -373,17 +374,22 @@ export class AddonModLessonPlayerPage implements OnInit, OnDestroy, CanLeave {
      * @return Promise resolved when done.
      */
     protected async finishRetake(outOfTime?: boolean): Promise<void> {
+        if (!this.lesson) {
+            return;
+        }
+
+        const lesson = this.lesson;
         this.messages = [];
 
         if (this.offline && CoreNetwork.isOnline()) {
             // Offline mode but the app is online. Try to sync the data.
             const result = await CoreUtils.ignoreErrors(
-                AddonModLessonSync.syncLesson(this.lesson!.id, true, true),
+                AddonModLessonSync.syncLesson(lesson.id, true, true),
             );
 
             if (result?.warnings?.length) {
                 // Some data was deleted. Check if the retake has changed.
-                const info = await AddonModLesson.getAccessInformation(this.lesson!.id, {
+                const info = await AddonModLesson.getAccessInformation(lesson.id, {
                     cmId: this.cmId,
                 });
 
@@ -411,11 +417,11 @@ export class AddonModLessonPlayerPage implements OnInit, OnDestroy, CanLeave {
             accessInfo: this.accessInfo,
         };
         const data = await this.callFunction<AddonModLessonFinishRetakeResponse>(
-            AddonModLesson.finishRetake.bind(AddonModLesson.instance, this.lesson, this.courseId, options),
+            () => AddonModLesson.finishRetake(lesson, this.courseId, options),
             options,
         );
 
-        this.title = this.lesson!.name;
+        this.title = lesson.name;
         this.eolData = data.data;
         this.messages = this.messages.concat(data.messages);
         this.processData = undefined;
@@ -512,13 +518,14 @@ export class AddonModLessonPlayerPage implements OnInit, OnDestroy, CanLeave {
      * @return Promise resolved when done.
      */
     protected async loadMenu(): Promise<void> {
-        if (this.loadingMenu) {
+        if (this.loadingMenu || !this.lesson) {
             // Already loading.
             return;
         }
 
         try {
             this.loadingMenu = true;
+            const lessonId = this.lesson.id;
             const options = {
                 password: this.password,
                 cmId: this.cmId,
@@ -526,7 +533,7 @@ export class AddonModLessonPlayerPage implements OnInit, OnDestroy, CanLeave {
             };
 
             const pages = await this.callFunction<AddonModLessonGetPagesPageWSData[]>(
-                AddonModLesson.getPages.bind(AddonModLesson.instance, this.lesson!.id, options),
+                () => AddonModLesson.getPages(lessonId, options),
                 options,
             );
 
@@ -548,8 +555,11 @@ export class AddonModLessonPlayerPage implements OnInit, OnDestroy, CanLeave {
         if (pageId == AddonModLessonProvider.LESSON_EOL) {
             // End of lesson reached.
             return this.finishRetake();
+        } else if (!this.lesson) {
+            return;
         }
 
+        const lesson = this.lesson;
         const options = {
             password: this.password,
             review: this.review,
@@ -562,7 +572,7 @@ export class AddonModLessonPlayerPage implements OnInit, OnDestroy, CanLeave {
         };
 
         const data = await this.callFunction<AddonModLessonGetPageDataWSResponse>(
-            AddonModLesson.getPageData.bind(AddonModLesson.instance, this.lesson, pageId, options),
+            () => AddonModLesson.getPageData(lesson, pageId, options),
             options,
         );
 
@@ -615,8 +625,14 @@ export class AddonModLessonPlayerPage implements OnInit, OnDestroy, CanLeave {
      * @return Promise resolved when done.
      */
     protected async processPage(data: CoreFormFields, formSubmitted?: boolean): Promise<void> {
+        if (!this.lesson || !this.pageData) {
+            return;
+        }
+
         this.loaded = false;
 
+        const lesson = this.lesson;
+        const pageData = this.pageData;
         const options: AddonModLessonProcessPageOptions = {
             password: this.password,
             review: this.review,
@@ -627,11 +643,10 @@ export class AddonModLessonPlayerPage implements OnInit, OnDestroy, CanLeave {
 
         try {
             const result = await this.callFunction<AddonModLessonProcessPageResponse>(
-                AddonModLesson.processPage.bind(
+                () => AddonModLesson.processPage(
-                    AddonModLesson.instance,
+                    lesson,
-                    this.lesson,
                     this.courseId,
-                    this.pageData,
+                    pageData,
                     data,
                     options,
                 ),
@@ -646,7 +661,7 @@ export class AddonModLessonPlayerPage implements OnInit, OnDestroy, CanLeave {
                 );
             }
 
-            if (!this.offline && !this.review && AddonModLesson.isLessonOffline(this.lesson!)) {
+            if (!this.offline && !this.review && AddonModLesson.isLessonOffline(lesson)) {
                 // Lesson allows offline and the user changed some data in server. Update cached data.
                 const retake = this.accessInfo!.attemptscount;
                 const options = {
@@ -656,9 +671,9 @@ export class AddonModLessonPlayerPage implements OnInit, OnDestroy, CanLeave {
 
                 // Update in background the list of content pages viewed or question attempts.
                 if (AddonModLesson.isQuestionPage(this.pageData?.page?.type || -1)) {
-                    AddonModLesson.getQuestionsAttemptsOnline(this.lesson!.id, retake, options);
+                    AddonModLesson.getQuestionsAttemptsOnline(lesson.id, retake, options);
                 } else {
-                    AddonModLesson.getContentPagesViewedOnline(this.lesson!.id, retake, options);
+                    AddonModLesson.getContentPagesViewedOnline(lesson.id, retake, options);
                 }
             }
 
@@ -673,7 +688,7 @@ export class AddonModLessonPlayerPage implements OnInit, OnDestroy, CanLeave {
             this.processData = result;
             this.processDataButtons = [];
 
-            if (this.lesson!.review && !result.correctanswer && !result.noanswer && !result.isessayquestion &&
+            if (lesson.review && !result.correctanswer && !result.noanswer && !result.isessayquestion &&
                     !result.maxattemptsreached && !result.reviewmode) {
                 // User can try again, show button to do so.
                 this.processDataButtons.push({
@@ -683,11 +698,11 @@ export class AddonModLessonPlayerPage implements OnInit, OnDestroy, CanLeave {
             }
 
             // Button to continue.
-            if (this.lesson!.review && !result.correctanswer && !result.noanswer && !result.isessayquestion &&
+            if (lesson.review && !result.correctanswer && !result.noanswer && !result.isessayquestion &&
                     !result.maxattemptsreached) {
                 /* If both the "Yes, I'd like to try again" and "No, I just want to go on to the next question" point to the
                     same page then don't show the "No, I just want to go on to the next question" button. It's confusing. */
-                if (this.pageData!.page!.id != result.newpageid) {
+                if (pageData.page?.id != result.newpageid) {
                     // Button to continue the lesson (the page to go is configured by the teacher).
                     this.processDataButtons.push({
                         label: 'addon.mod_lesson.reviewquestioncontinue',

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

@@ -225,7 +225,7 @@ export class AddonModLessonPrefetchHandlerService extends CoreCourseActivityPref
      * @inheritdoc
      */
     prefetch(module: CoreCourseAnyModuleData, courseId: number, single?: boolean): Promise<void> {
-        return this.prefetchPackage(module, courseId, this.prefetchLesson.bind(this, module, courseId, !!single));
+        return this.prefetchPackage(module, courseId, (siteId) => this.prefetchLesson(module, courseId, !!single, siteId));
     }
 
     /**

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

@@ -122,7 +122,7 @@ export class AddonModLessonSyncProvider extends CoreCourseActivitySyncBaseProvid
      * @return Promise resolved if sync is successful, rejected if sync fails.
      */
     syncAllLessons(siteId?: string, force = false): Promise<void> {
-        return this.syncOnSites('all lessons', this.syncAllLessonsFunc.bind(this, !!force), siteId);
+        return this.syncOnSites('all lessons', (siteId) => this.syncAllLessonsFunc(!!force, siteId), siteId);
     }
 
     /**
@@ -333,7 +333,7 @@ export class AddonModLessonSyncProvider extends CoreCourseActivitySyncBaseProvid
         attempts.sort((a, b) => a.timemodified - b.timemodified);
 
         const promisesData = attempts.map((attempt) => ({
-            function: this.sendAttempt.bind(this, lesson, passwordData.password, attempt, result, siteId),
+            function: () => this.sendAttempt(lesson, passwordData.password ?? '', attempt, result, siteId),
             blocking: true,
         }));
 

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

@@ -278,7 +278,7 @@ export class AddonModQuizPrefetchHandlerService extends CoreCourseActivityPrefet
             return;
         }
 
-        return this.prefetchPackage(module, courseId, this.prefetchQuiz.bind(this, module, courseId, !!single, canStart));
+        return this.prefetchPackage(module, courseId, (siteId) => this.prefetchQuiz(module, courseId, !!single, canStart, siteId));
     }
 
     /**

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

@@ -180,7 +180,7 @@ export class AddonModQuizSyncProvider extends CoreCourseActivitySyncBaseProvider
      * @return Promise resolved if sync is successful, rejected if sync fails.
      */
     syncAllQuizzes(siteId?: string, force?: boolean): Promise<void> {
-        return this.syncOnSites('all quizzes', this.syncAllQuizzesFunc.bind(this, !!force), siteId);
+        return this.syncOnSites('all quizzes', (siteId) => this.syncAllQuizzesFunc(!!force, siteId), siteId);
     }
 
     /**

src/addons/mod/resource/services/handlers/module.ts

@@ -70,7 +70,10 @@ export class AddonModResourceModuleHandlerService extends CoreModuleHandlerBase
         sectionId?: number,
         forCoursePage?: boolean,
     ): Promise<CoreCourseModuleHandlerData> {
-        const updateStatus = (status: string): void => {
+        const openWithPicker = CoreFileHelper.defaultIsOpenWithPicker();
+
+        const handlerData = await super.getData(module, courseId, sectionId, forCoursePage);
+        handlerData.updateStatus = (status) => {
             if (!handlerData.buttons) {
                 return;
             }
@@ -78,10 +81,6 @@ export class AddonModResourceModuleHandlerService extends CoreModuleHandlerBase
             handlerData.buttons[0].hidden = status !== CoreConstants.DOWNLOADED ||
                 AddonModResourceHelper.isDisplayedInIframe(module);
         };
-        const openWithPicker = CoreFileHelper.defaultIsOpenWithPicker();
-
-        const handlerData = await super.getData(module, courseId, sectionId, forCoursePage);
-        handlerData.updateStatus = updateStatus.bind(this);
         handlerData.buttons = [{
             hidden: true,
             icon: openWithPicker ? 'fas-share-square' : 'fas-file',

src/addons/mod/scorm/classes/data-model-12.ts

@@ -883,7 +883,7 @@ export class AddonModScormDataModel12 {
                             // Store data.
                             if (this.errorCode == '0') {
                                 if (this.scorm.autocommit && !this.timeout) {
-                                    this.timeout = window.setTimeout(this.LMSCommit.bind(this), 60000, ['']);
+                                    this.timeout = window.setTimeout(() => this.LMSCommit(''), 60000);
                                 }
 
                                 const range = this.dataModel[this.scoId][elementModel].range;

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

@@ -175,7 +175,7 @@ export class AddonModScormPlayerPage implements OnInit, OnDestroy {
 
             if (this.offline) {
                 // Wait a bit to make sure data is stored.
-                setTimeout(this.refreshToc.bind(this), 100);
+                setTimeout(() => this.refreshToc(), 100);
             } else {
                 this.refreshToc();
             }

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

@@ -50,7 +50,7 @@ export class AddonModScormPrefetchHandlerService extends CoreCourseActivityPrefe
         return this.prefetchPackage(
             module,
             courseId,
-            this.downloadOrPrefetchScorm.bind(this, module, courseId, true, false, onProgress),
+            (siteId) => this.downloadOrPrefetchScorm(module, courseId, true, false, onProgress, siteId),
         );
     }
 
@@ -126,7 +126,7 @@ export class AddonModScormPrefetchHandlerService extends CoreCourseActivityPrefe
                 scorm.coursemodule,
                 undefined,
                 undefined,
-                this.downloadProgress.bind(this, true, onProgress),
+                (event: ProgressEvent<EventTarget>) => this.downloadProgress(true, onProgress, event),
             );
         } else {
             await CoreFilepool.downloadUrl(
@@ -136,7 +136,7 @@ export class AddonModScormPrefetchHandlerService extends CoreCourseActivityPrefe
                 this.component,
                 scorm.coursemodule,
                 undefined,
-                this.downloadProgress.bind(this, true, onProgress),
+                (event: ProgressEvent<EventTarget>) => this.downloadProgress(true, onProgress, event),
             );
         }
 
@@ -147,7 +147,11 @@ export class AddonModScormPrefetchHandlerService extends CoreCourseActivityPrefe
         onProgress && onProgress({ message: 'core.unzipping' });
 
         // Unzip and delete the zip when finished.
-        await CoreFile.unzipFile(zipPath, dirPath, this.downloadProgress.bind(this, false, onProgress));
+        await CoreFile.unzipFile(
+            zipPath,
+            dirPath,
+            (event: ProgressEvent<EventTarget>) => this.downloadProgress(false, onProgress, event),
+        );
 
         await CoreUtils.ignoreErrors(CoreFilepool.removeFileByUrl(siteId, packageUrl));
     }
@@ -371,7 +375,7 @@ export class AddonModScormPrefetchHandlerService extends CoreCourseActivityPrefe
         return this.prefetchPackage(
             module,
             courseId,
-            this.downloadOrPrefetchScorm.bind(this, module, courseId, single, true, onProgress),
+            (siteId) => this.downloadOrPrefetchScorm(module, courseId, !!single, true, onProgress, siteId),
         );
     }
 

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

@@ -445,7 +445,7 @@ export class AddonModScormSyncProvider extends CoreCourseActivitySyncBaseProvide
      * @return Promise resolved if sync is successful, rejected if sync fails.
      */
     syncAllScorms(siteId?: string, force?: boolean): Promise<void> {
-        return this.syncOnSites('all SCORMs', this.syncAllScormsFunc.bind(this, !!force), siteId);
+        return this.syncOnSites('all SCORMs', (siteId) => this.syncAllScormsFunc(!!force, siteId), siteId);
     }
 
     /**

src/addons/mod/survey/services/handlers/prefetch.ts

@@ -68,7 +68,7 @@ export class AddonModSurveyPrefetchHandlerService extends CoreCourseActivityPref
      * @inheritdoc
      */
     prefetch(module: CoreCourseAnyModuleData, courseId: number): Promise<void> {
-        return this.prefetchPackage(module, courseId, this.prefetchSurvey.bind(this, module, courseId));
+        return this.prefetchPackage(module, courseId, (siteId) => this.prefetchSurvey(module, courseId, siteId));
     }
 
     /**

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

@@ -60,7 +60,7 @@ export class AddonModSurveySyncProvider extends CoreCourseActivitySyncBaseProvid
      * @return Promise resolved if sync is successful, rejected if sync fails.
      */
     syncAllSurveys(siteId?: string, force?: boolean): Promise<void> {
-        return this.syncOnSites('all surveys', this.syncAllSurveysFunc.bind(this, !!force), siteId);
+        return this.syncOnSites('all surveys', (siteId) => this.syncAllSurveysFunc(!!force, siteId), siteId);
     }
 
     /**

src/addons/mod/wiki/services/handlers/prefetch.ts

@@ -140,7 +140,7 @@ export class AddonModWikiPrefetchHandlerService extends CoreCourseActivityPrefet
         return this.prefetchPackage(
             module,
             courseId,
-            this.prefetchWiki.bind(this, module, courseId, !!single, downloadTime),
+            (siteId) => this.prefetchWiki(module, courseId, !!single, downloadTime, siteId),
             siteId,
         );
     }

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

@@ -73,7 +73,7 @@ export class AddonModWikiSyncProvider extends CoreSyncBaseProvider<AddonModWikiS
      * @return Promise resolved if sync is successful, rejected if sync fails.
      */
     syncAllWikis(siteId?: string, force?: boolean): Promise<void> {
-        return this.syncOnSites('all wikis', this.syncAllWikisFunc.bind(this, !!force), siteId);
+        return this.syncOnSites('all wikis', (siteId) => this.syncAllWikisFunc(!!force, siteId), siteId);
     }
 
     /**

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

@@ -135,8 +135,7 @@ export class AddonModWorkshopAssessmentStrategyComponent implements OnInit, OnDe
                 await this.load();
                 this.obsInvalidated = CoreEvents.on(
                     AddonModWorkshopProvider.ASSESSMENT_INVALIDATED,
-                    this.load.bind(this),
+                    () => this.load(),
-
                     CoreSites.getCurrentSiteId(),
                 );
             } catch (error) {

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

@@ -205,7 +205,7 @@ export class AddonModWorkshopPrefetchHandlerService extends CoreCourseActivityPr
      * @inheritdoc
      */
     prefetch(module: CoreCourseAnyModuleData, courseId: number): Promise<void> {
-        return this.prefetchPackage(module, courseId, this.prefetchWorkshop.bind(this, module, courseId));
+        return this.prefetchPackage(module, courseId, (siteId) => this.prefetchWorkshop(module, courseId, siteId));
     }
 
     /**

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

@@ -141,7 +141,7 @@ export class AddonModWorkshopOfflineProvider {
 
         const records = await site.getDb().getRecords<AddonModWorkshopSubmissionDBRecord>(SUBMISSIONS_TABLE);
 
-        return records.map(this.parseSubmissionRecord.bind(this));
+        return records.map((record) => this.parseSubmissionRecord(record));
     }
 
     /**
@@ -160,7 +160,7 @@ export class AddonModWorkshopOfflineProvider {
 
         const records = await site.getDb().getRecords<AddonModWorkshopSubmissionDBRecord>(SUBMISSIONS_TABLE, conditions);
 
-        return records.map(this.parseSubmissionRecord.bind(this));
+        return records.map((record) => this.parseSubmissionRecord(record));
     }
 
     /**
@@ -273,7 +273,7 @@ export class AddonModWorkshopOfflineProvider {
 
         const records = await site.getDb().getRecords<AddonModWorkshopAssessmentDBRecord>(ASSESSMENTS_TABLE);
 
-        return records.map(this.parseAssessmentRecord.bind(this));
+        return records.map((record) => this.parseAssessmentRecord(record));
     }
 
     /**
@@ -292,7 +292,7 @@ export class AddonModWorkshopOfflineProvider {
 
         const records = await site.getDb().getRecords<AddonModWorkshopAssessmentDBRecord>(ASSESSMENTS_TABLE, conditions);
 
-        return records.map(this.parseAssessmentRecord.bind(this));
+        return records.map((record) => this.parseAssessmentRecord(record));
     }
 
     /**
@@ -388,7 +388,7 @@ export class AddonModWorkshopOfflineProvider {
 
         const records = await site.getDb().getRecords<AddonModWorkshopEvaluateSubmissionDBRecord>(EVALUATE_SUBMISSIONS_TABLE);
 
-        return records.map(this.parseEvaluateSubmissionRecord.bind(this));
+        return records.map((record) => this.parseEvaluateSubmissionRecord(record));
     }
 
     /**
@@ -408,7 +408,7 @@ export class AddonModWorkshopOfflineProvider {
         const records =
             await site.getDb().getRecords<AddonModWorkshopEvaluateSubmissionDBRecord>(EVALUATE_SUBMISSIONS_TABLE, conditions);
 
-        return records.map(this.parseEvaluateSubmissionRecord.bind(this));
+        return records.map((record) => this.parseEvaluateSubmissionRecord(record));
     }
 
     /**
@@ -518,7 +518,7 @@ export class AddonModWorkshopOfflineProvider {
 
         const records = await site.getDb().getRecords<AddonModWorkshopEvaluateAssessmentDBRecord>(EVALUATE_ASSESSMENTS_TABLE);
 
-        return records.map(this.parseEvaluateAssessmentRecord.bind(this));
+        return records.map((record) => this.parseEvaluateAssessmentRecord(record));
     }
 
     /**
@@ -538,7 +538,7 @@ export class AddonModWorkshopOfflineProvider {
         const records =
             await site.getDb().getRecords<AddonModWorkshopEvaluateAssessmentDBRecord>(EVALUATE_ASSESSMENTS_TABLE, conditions);
 
-        return records.map(this.parseEvaluateAssessmentRecord.bind(this));
+        return records.map((record) => this.parseEvaluateAssessmentRecord(record));
     }
 
     /**

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

@@ -73,7 +73,7 @@ export class AddonModWorkshopSyncProvider extends CoreSyncBaseProvider<AddonModW
      * @return Promise resolved when the sync is done.
      */
     syncAllWorkshops(siteId?: string, force?: boolean): Promise<void> {
-        return this.syncOnSites('all workshops', this.syncAllWorkshopsFunc.bind(this, !!force), siteId);
+        return this.syncOnSites('all workshops', (siteId) => this.syncAllWorkshopsFunc(!!force, siteId), siteId);
     }
 
     /**

src/addons/notes/services/handlers/course-option.ts

@@ -19,8 +19,7 @@ import {
     CoreCourseOptionsHandler,
     CoreCourseOptionsHandlerData,
 } from '@features/course/services/course-options-delegate';
-import { CoreCourseUserAdminOrNavOptionIndexed } from '@features/courses/services/courses';
+import { CoreCourseAnyCourseData, CoreCourseUserAdminOrNavOptionIndexed } from '@features/courses/services/courses';
-import { CoreEnrolledCourseDataWithExtraInfoAndOptions } from '@features/courses/services/courses-helper';
 import { makeSingleton } from '@singletons';
 import { AddonNotes } from '../notes';
 
@@ -73,7 +72,7 @@ export class AddonNotesCourseOptionHandlerService implements CoreCourseOptionsHa
     /**
      * @inheritdoc
      */
-    async prefetch(course: CoreEnrolledCourseDataWithExtraInfoAndOptions): Promise<void> {
+    async prefetch(course: CoreCourseAnyCourseData): Promise<void> {
         await AddonNotes.getNotes(course.id, undefined, true);
     }
 

src/addons/notes/services/notes-sync.ts

@@ -45,7 +45,7 @@ export class AddonNotesSyncProvider extends CoreSyncBaseProvider<AddonNotesSyncR
      * @return Promise resolved if sync is successful, rejected if sync fails.
      */
     syncAllNotes(siteId?: string, force?: boolean): Promise<void> {
-        return this.syncOnSites('all notes', this.syncAllNotesFunc.bind(this, !!force), siteId);
+        return this.syncOnSites('all notes', (siteId) => this.syncAllNotesFunc(!!force, siteId), siteId);
     }
 
     /**

src/addons/notifications/pages/notification/notification.ts

@@ -183,7 +183,7 @@ export class AddonNotificationsNotificationPage implements OnInit, OnDestroy {
             actions.push({
                 message: 'core.view',
                 icon: 'fas-eye',
-                action: this.openInBrowser.bind(this),
+                action: (siteId) => this.openInBrowser(siteId),
             });
         }
 

src/addons/qbehaviour/deferredcbm/services/handlers/deferredcbm.ts

@@ -55,8 +55,8 @@ export class AddonQbehaviourDeferredCBMHandlerService implements CoreQuestionBeh
             question,
             componentId,
             siteId,
-            this.isCompleteResponse.bind(this),
+            (...args) => this.isCompleteResponse(...args),
-            this.isSameResponse.bind(this),
+            (...args) => this.isSameResponse(...args),
         );
     }
 

src/core/classes/delegate-sorted.ts

@@ -39,7 +39,7 @@ export class CoreSortedDelegate<
     constructor(delegateName: string) {
         super(delegateName, true);
 
-        CoreEvents.on(CoreEvents.LOGOUT, this.clearSortedHandlers.bind(this));
+        CoreEvents.on(CoreEvents.LOGOUT, () => this.clearSortedHandlers());
         CoreEvents.on(CoreEvents.SITE_POLICY_AGREED, (data) => {
             if (data.siteId === CoreSites.getCurrentSiteId()) {
                 // Clear loaded handlers when policy is agreed. The CoreDelegate class will load them again.
@@ -47,7 +47,7 @@ export class CoreSortedDelegate<
             }
         });
         // Clear loaded handlers on login, there could be an invalid list loaded when user reconnects after token expired.
-        CoreEvents.on(CoreEvents.LOGIN, this.clearSortedHandlers.bind(this));
+        CoreEvents.on(CoreEvents.LOGIN, () => this.clearSortedHandlers());
     }
 
     /**

src/core/classes/delegate.ts

@@ -95,9 +95,9 @@ export class CoreDelegate<HandlerType extends CoreDelegateHandler> {
 
         if (listenSiteEvents) {
             // Update handlers on this cases.
-            CoreEvents.on(CoreEvents.LOGIN, this.updateHandlers.bind(this));
+            CoreEvents.on(CoreEvents.LOGIN, () => this.updateHandlers());
-            CoreEvents.on(CoreEvents.SITE_UPDATED, this.updateHandlers.bind(this));
+            CoreEvents.on(CoreEvents.SITE_UPDATED, () => this.updateHandlers());
-            CoreEvents.on(CoreEvents.SITE_PLUGINS_LOADED, this.updateHandlers.bind(this));
+            CoreEvents.on(CoreEvents.SITE_PLUGINS_LOADED, () => this.updateHandlers());
             CoreEvents.on(CoreEvents.SITE_POLICY_AGREED, (data) => {
                 if (data.siteId === CoreSites.getCurrentSiteId()) {
                     this.updateHandlers();

src/core/classes/promised-value.ts

@@ -29,8 +29,8 @@ export class CorePromisedValue<T = unknown> extends CorePromise<T> {
         const promisedValue = new CorePromisedValue<T>();
 
         promise
-            .then(promisedValue.resolve.bind(promisedValue))
+            .then(value => promisedValue.resolve(value))
-            .catch(promisedValue.reject.bind(promisedValue));
+            .catch(error => promisedValue.reject(error));
 
         return promisedValue;
     }

src/core/classes/site.ts

@@ -994,7 +994,7 @@ export class CoreSite {
             this.processRequestQueue();
         } else if (!this.requestQueueTimeout) {
             this.requestQueueTimeout = window.setTimeout(
-                this.processRequestQueue.bind(this),
+                () => this.processRequestQueue(),
                 CoreConstants.CONFIG.wsrequestqueuedelay,
             );
         }

src/core/classes/tabs.ts

@@ -95,7 +95,7 @@ export class CoreTabsBaseComponent<T extends CoreTabBase> implements OnInit, Aft
     tabAction: CoreTabsRoleTab<T>;
 
     constructor(element: ElementRef) {
-        this.backButtonFunction = this.backButtonClicked.bind(this);
+        this.backButtonFunction = (event) => this.backButtonClicked(event);
 
         this.tabAction = new CoreTabsRoleTab(this);
 

src/core/components/context-menu/context-menu-popover.ts

@@ -73,7 +73,7 @@ export class CoreContextMenuPopoverComponent {
                 this.closeMenu(item);
             }
 
-            item.action.emit(this.closeMenu.bind(this, item));
+            item.action.emit(() => this.closeMenu(item));
         } else if (item.closeOnClick && (item.href || (!!item.onClosed && item.onClosed.observers.length > 0))) {
             this.closeMenu(item);
         }

src/core/components/infinite-loading/infinite-loading.ts

@@ -103,7 +103,7 @@ export class CoreInfiniteLoadingComponent implements OnChanges {
         }
 
         this.loadingMore = true;
-        this.action.emit(this.complete.bind(this));
+        this.action.emit(() => this.complete());
     }
 
     /**
@@ -112,7 +112,7 @@ export class CoreInfiniteLoadingComponent implements OnChanges {
     complete(): void {
         if (this.position == 'top') {
             // Wait a bit before allowing loading more, otherwise it could be re-triggered automatically when it shouldn't.
-            setTimeout(this.completeLoadMore.bind(this), 400);
+            setTimeout(() => this.completeLoadMore(), 400);
         } else {
             this.completeLoadMore();
         }

src/core/directives/collapsible-item.ts

@@ -64,7 +64,7 @@ export class CoreCollapsibleItemDirective implements OnInit, OnDestroy {
     constructor(el: ElementRef<HTMLElement>) {
         this.element = el.nativeElement;
 
-        this.element.addEventListener('click', this.elementClicked.bind(this));
+        this.element.addEventListener('click', (event) => this.elementClicked(event));
         this.uniqueId = 'collapsible-item-' + CoreUtils.getUniqueId('CoreCollapsibleItemDirective');
         this.element.id = this.uniqueId;
     }

src/core/directives/format-text.ts

@@ -116,7 +116,7 @@ export class CoreFormatTextDirective implements OnChanges, OnDestroy, AsyncCompo
 
         this.afterRender = new EventEmitter<void>();
 
-        this.element.addEventListener('click', this.elementClicked.bind(this));
+        this.element.addEventListener('click', (event) => this.elementClicked(event));
 
         this.siteId = this.siteId || CoreSites.getCurrentSiteId();
     }

src/core/directives/supress-events.ts

@@ -80,7 +80,7 @@ export class CoreSupressEventsDirective implements OnInit {
 
         // Suppress the events.
         for (const evName of events) {
-            this.element.addEventListener(evName, this.stopBubble.bind(this));
+            this.element.addEventListener(evName, (event) => this.stopBubble(event));
         }
 
         // Now listen to "click" events.

src/core/features/comments/services/comments-sync.ts

@@ -44,7 +44,7 @@ export class CoreCommentsSyncProvider extends CoreSyncBaseProvider<CoreCommentsS
      * @return Promise resolved if sync is successful, rejected if sync fails.
      */
     syncAllComments(siteId?: string, force?: boolean): Promise<void> {
-        return this.syncOnSites('all comments', this.syncAllCommentsFunc.bind(this, !!force), siteId);
+        return this.syncOnSites('all comments', (siteId) => this.syncAllCommentsFunc(!!force, siteId), siteId);
     }
 
     /**

src/core/features/contentlinks/services/contentlinks-delegate.ts

@@ -179,7 +179,7 @@ export class CoreContentLinksDelegateService {
         for (const name in this.handlers) {
             const handler = this.handlers[name];
             const checkAll = handler.checkAllUsers;
-            const isEnabledFn = this.isHandlerEnabled.bind(this, handler, relativeUrl, params, courseId);
+            const isEnabledFn = (siteId: string) => this.isHandlerEnabled(handler, relativeUrl, params, courseId, siteId);
 
             if (!handler.handles(relativeUrl)) {
                 // Invalid handler or it doesn't handle the URL. Stop.
@@ -282,7 +282,7 @@ export class CoreContentLinksDelegateService {
         handler: CoreContentLinksHandler,
         url: string,
         params: Record<string, string>,
-        courseId: number,
+        courseId: number | undefined,
         siteId: string,
     ): Promise<boolean> {
 

src/core/features/course/classes/activity-prefetch-handler.ts

@@ -65,21 +65,18 @@ export class CoreCourseActivityPrefetchHandlerBase extends CoreCourseModulePrefe
      * Prefetch the module, setting package status at start and finish.
      *
      * Example usage from a child instance:
-     *     return this.prefetchPackage(module, courseId, single, this.prefetchModule.bind(this, otherParam), siteId);
+     *     return this.prefetchPackage(module, courseId, (siteId) => this.prefetchModule(module, otherParam, siteId), siteId);
-     *
-     * Then the function "prefetchModule" will receive params:
-     *     prefetchModule(module, courseId, single, siteId, someParam, anotherParam)
      *
      * @param module Module.
      * @param courseId Course ID the module belongs to.
-     * @param downloadFn Function to perform the prefetch. Please check the documentation of prefetchFunction.
+     * @param downloadFn Function to perform the prefetch. It can return a string to be stored as the package "extra" data.
      * @param siteId Site ID. If not defined, current site.
      * @return Promise resolved when the module has been downloaded. Data returned is not reliable.
      */
     async prefetchPackage(
         module: CoreCourseAnyModuleData,
         courseId: number,
-        downloadFunction: (siteId: string) => Promise<string>,
+        downloadFunction: (siteId: string) => Promise<string | void>,
         siteId?: string,
     ): Promise<void> {
         siteId = siteId || CoreSites.getCurrentSiteId();
@@ -104,14 +101,14 @@ export class CoreCourseActivityPrefetchHandlerBase extends CoreCourseModulePrefe
      *
      * @param module Module.
      * @param courseId Course ID the module belongs to.
-     * @param downloadFn Function to perform the prefetch. Please check the documentation of prefetchFunction.
+     * @param downloadFn Function to perform the prefetch. It can return a string to be stored as the package "extra" data.
      * @param siteId Site ID. If not defined, current site.
      * @return Promise resolved when the module has been downloaded. Data returned is not reliable.
      */
     protected async changeStatusAndPrefetch(
         module: CoreCourseAnyModuleData,
         courseId: number | undefined,
-        downloadFunction: (siteId: string) => Promise<string>,
+        downloadFunction: (siteId: string) => Promise<string | void>,
         siteId: string,
     ): Promise<void> {
         try {

src/core/features/course/services/course-options-delegate.ts

@@ -90,7 +90,7 @@ export interface CoreCourseOptionsHandler extends CoreDelegateHandler {
      * @param course The course.
      * @return Promise resolved when done.
      */
-    prefetch?(course: CoreEnrolledCourseDataWithExtraInfoAndOptions): Promise<void>;
+    prefetch?(course: CoreCourseAnyCourseData): Promise<void>;
 }
 
 /**
@@ -452,7 +452,7 @@ export class CoreCourseOptionsDelegateService extends CoreDelegate<CoreCourseOpt
                 handlersToDisplay.push({
                     data: data,
                     priority: handler.priority || 0,
-                    prefetch: handler.prefetch && handler.prefetch.bind(handler),
+                    prefetch: async (course) => await handler.prefetch?.(course),
                     name: handler.name,
                 });
 

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

@@ -61,7 +61,7 @@ export class CoreCourseModulePrefetchDelegateService extends CoreDelegate<CoreCo
      * Initialize.
      */
     initialize(): void {
-        CoreEvents.on(CoreEvents.LOGOUT, this.clearStatusCache.bind(this));
+        CoreEvents.on(CoreEvents.LOGOUT, () => this.clearStatusCache());
 
         CoreEvents.on(CoreEvents.PACKAGE_STATUS_CHANGED, (data) => {
             this.updateStatusCache(data.status, data.component, data.componentId);

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

@@ -51,7 +51,7 @@ export class CoreCourseSyncProvider extends CoreSyncBaseProvider<CoreCourseSyncR
      * @return Promise resolved if sync is successful, rejected if sync fails.
      */
     syncAllCourses(siteId?: string, force?: boolean): Promise<void> {
-        return this.syncOnSites('courses', this.syncAllCoursesFunc.bind(this, !!force), siteId);
+        return this.syncOnSites('courses', (siteId) => this.syncAllCoursesFunc(!!force, siteId), siteId);
     }
 
     /**

src/core/features/editor/components/rich-text-editor/rich-text-editor.ts

@@ -171,11 +171,11 @@ export class CoreEditorRichTextEditorComponent implements OnInit, AfterViewInit,
         this.setContent(this.control?.value);
         this.originalContent = this.control?.value;
         this.lastDraft = this.control?.value;
-        this.editorElement.onchange = this.onChange.bind(this);
+        this.editorElement.onchange = () => this.onChange();
-        this.editorElement.onkeyup = this.onChange.bind(this);
+        this.editorElement.onkeyup = () => this.onChange();
-        this.editorElement.onpaste = this.onChange.bind(this);
+        this.editorElement.onpaste = () => this.onChange();
-        this.editorElement.oninput = this.onChange.bind(this);
+        this.editorElement.oninput = () => this.onChange();
-        this.editorElement.onkeydown = this.moveCursor.bind(this);
+        this.editorElement.onkeydown = event => this.moveCursor(event);
 
         // Use paragraph on enter.
         document.execCommand('DefaultParagraphSeparator', false, 'p');
@@ -258,7 +258,7 @@ export class CoreEditorRichTextEditorComponent implements OnInit, AfterViewInit,
             this.windowResized();
         }, 50);
 
-        document.addEventListener('selectionchange', this.selectionChangeFunction = this.updateToolbarStyles.bind(this));
+        document.addEventListener('selectionchange', this.selectionChangeFunction = () => this.updateToolbarStyles());
 
         this.keyboardObserver = CoreEvents.on(CoreEvents.KEYBOARD_CHANGE, () => {
             // Opening or closing the keyboard also calls the resize function, but sometimes the resize is called too soon.

src/core/features/emulator/services/geolocation.ts

@@ -47,8 +47,8 @@ export class GeolocationMock extends Geolocation {
     watchPosition(options?: GeolocationOptions): Observable<Geoposition> {
         return new Observable<Geoposition>((subscriber: Subscriber<Geoposition>): TeardownLogic => {
             const watchId = navigator.geolocation.watchPosition(
-                subscriber.next.bind(subscriber),
+                position => subscriber.next(<Geoposition> <unknown> position),
-                subscriber.error.bind(subscriber),
+                error => subscriber.error(error),
                 options,
             );
 

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

@@ -145,7 +145,7 @@ export class CoreFileUploaderDelegateService extends CoreDelegate<CoreFileUpload
     constructor() {
         super('CoreFileUploaderDelegate', true);
 
-        CoreEvents.on(CoreEvents.LOGOUT, this.clearSiteHandlers.bind(this));
+        CoreEvents.on(CoreEvents.LOGOUT, () => this.clearSiteHandlers());
     }
 
     /**

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

@@ -218,6 +218,7 @@ export class CoreFilterHelperProvider {
                 return CoreFilterDelegate.getEnabledFilters(contextLevel, instanceId);
             }
 
+            const courseId = options.courseId;
             let hasFilters = true;
 
             if (contextLevel == 'system' || (contextLevel == 'course' && instanceId == site.getSiteHomeId())) {
@@ -233,20 +234,20 @@ export class CoreFilterHelperProvider {
 
             options.filter = true;
 
-            if (contextLevel == 'module' && options.courseId) {
+            if (contextLevel == 'module' && courseId) {
                 // Get all the modules filters with a single call to decrease the number of WS calls.
-                const getFilters = this.getCourseModulesContexts.bind(this, options.courseId, siteId);
+                const getFilters = () => this.getCourseModulesContexts(courseId, siteId);
 
                 return this.getCacheableFilters(contextLevel, instanceId, getFilters, options, site);
 
             } else if (contextLevel == 'course') {
                 // If enrolled, get all enrolled courses filters with a single call to decrease number of WS calls.
-                const getFilters = this.getCourseContexts.bind(this, instanceId, siteId);
+                const getFilters = () => this.getCourseContexts(instanceId, siteId);
 
                 return this.getCacheableFilters(contextLevel, instanceId, getFilters, options, site);
-            } else if (contextLevel == 'block' && options.courseId && CoreCourse.canGetCourseBlocks(site)) {
+            } else if (contextLevel == 'block' && courseId && CoreCourse.canGetCourseBlocks(site)) {
                 // Get all the course blocks filters with a single call to decrease number of WS calls.
-                const getFilters = this.getBlocksContexts.bind(this, options.courseId, siteId);
+                const getFilters = () => this.getBlocksContexts(courseId, siteId);
 
                 return this.getCacheableFilters(contextLevel, instanceId, getFilters, options, site);
             }

src/core/features/grades/services/handlers/course-option.ts

@@ -19,8 +19,7 @@ import {
     CoreCourseOptionsHandler,
     CoreCourseOptionsHandlerData,
 } from '@features/course/services/course-options-delegate';
-import { CoreCourses, CoreCourseUserAdminOrNavOptionIndexed } from '@features/courses/services/courses';
+import { CoreCourseAnyCourseData, CoreCourses, CoreCourseUserAdminOrNavOptionIndexed } from '@features/courses/services/courses';
-import { CoreEnrolledCourseDataWithExtraInfoAndOptions } from '@features/courses/services/courses-helper';
 import { makeSingleton } from '@singletons';
 import { CoreGrades } from '../grades';
 
@@ -34,11 +33,7 @@ export class CoreGradesCourseOptionHandlerService implements CoreCourseOptionsHa
     priority = 400;
 
     /**
-     * Should invalidate the data to determine if the handler is enabled for a certain course.
+     * @inheritdoc
-     *
-     * @param courseId The course ID.
-     * @param navOptions Course navigation options for current user. See CoreCoursesProvider.getUserNavigationOptions.
-     * @return Promise resolved when done.
      */
     invalidateEnabledForCourse(courseId: number, navOptions?: CoreCourseUserAdminOrNavOptionIndexed): Promise<void> {
         if (navOptions && navOptions.grades !== undefined) {
@@ -50,21 +45,14 @@ export class CoreGradesCourseOptionHandlerService implements CoreCourseOptionsHa
     }
 
     /**
-     * Check if the handler is enabled on a site level.
+     * @inheritdoc
-     *
-     * @return Whether or not the handler is enabled on a site level.
      */
     async isEnabled(): Promise<boolean> {
         return true;
     }
 
     /**
-     * Whether or not the handler is enabled for a certain course.
+     * @inheritdoc
-     *
-     * @param courseId The course ID.
-     * @param accessData Access type and data. Default, guest, ...
-     * @param navOptions Course navigation options for current user. See CoreCoursesProvider.getUserNavigationOptions.
-     * @return True or promise resolved with true if enabled.
      */
     isEnabledForCourse(
         courseId: number,
@@ -94,12 +82,9 @@ export class CoreGradesCourseOptionHandlerService implements CoreCourseOptionsHa
     }
 
     /**
-     * Called when a course is downloaded. It should prefetch all the data to be able to see the addon in offline.
+     * @inheritdoc
-     *
-     * @param course The course.
-     * @return Promise resolved when done.
      */
-    async prefetch(course: CoreEnrolledCourseDataWithExtraInfoAndOptions): Promise<void> {
+    async prefetch(course: CoreCourseAnyCourseData): Promise<void> {
         try {
             await CoreGrades.getCourseGradesTable(course.id, undefined, undefined, true);
         } catch (error) {

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

@@ -92,7 +92,7 @@ export class CoreMainMenuPage implements OnInit, OnDestroy {
     tabAction: CoreMainMenuRoleTab;
 
     constructor() {
-        this.backButtonFunction = this.backButtonClicked.bind(this);
+        this.backButtonFunction = (event) => this.backButtonClicked(event);
         this.tabAction = new CoreMainMenuRoleTab(this);
         this.logger = CoreLogger.getInstance('CoreMainMenuPage');
 

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

@@ -50,7 +50,7 @@ export class CoreMainMenuMorePage implements OnInit, OnDestroy {
     protected resizeListener?: CoreEventObserver;
 
     constructor() {
-        this.langObserver = CoreEvents.on(CoreEvents.LANGUAGE_CHANGED, this.loadCustomMenuItems.bind(this));
+        this.langObserver = CoreEvents.on(CoreEvents.LANGUAGE_CHANGED, () => this.loadCustomMenuItems());
 
         this.updateSiteObserver = CoreEvents.on(CoreEvents.SITE_UPDATED, async () => {
             this.customItems = await CoreMainMenu.getCustomMenuItems();

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

@@ -84,9 +84,9 @@ export class CoreSettingsHelperProvider {
                 }
             };
 
-            CoreEvents.on(CoreEvents.LOGIN, applySiteScheme.bind(this));
+            CoreEvents.on(CoreEvents.LOGIN, () => applySiteScheme());
 
-            CoreEvents.on(CoreEvents.SITE_UPDATED, applySiteScheme.bind(this));
+            CoreEvents.on(CoreEvents.SITE_UPDATED, () => applySiteScheme());
 
             CoreEvents.on(CoreEvents.LOGOUT, () => {
                 // Reset color scheme settings.

src/core/features/siteplugins/classes/handlers/course-option-handler.ts

@@ -19,8 +19,7 @@ import {
     CoreCourseOptionsHandlerData,
     CoreCourseOptionsMenuHandlerData,
 } from '@features/course/services/course-options-delegate';
-import { CoreCourseAnyCourseDataWithOptions } from '@features/courses/services/courses';
+import { CoreCourseAnyCourseData, CoreCourseAnyCourseDataWithOptions } from '@features/courses/services/courses';
-import { CoreEnrolledCourseDataWithExtraInfoAndOptions } from '@features/courses/services/courses-helper';
 import {
     CoreSitePlugins,
     CoreSitePluginsContent,
@@ -107,7 +106,7 @@ export class CoreSitePluginsCourseOptionHandler extends CoreSitePluginsBaseHandl
     /**
      * @inheritdoc
      */
-    prefetch(course: CoreEnrolledCourseDataWithExtraInfoAndOptions): Promise<void> {
+    prefetch(course: CoreCourseAnyCourseData): Promise<void> {
         const args = {
             courseid: course.id,
         };

src/core/features/siteplugins/classes/handlers/module-handler.ts

@@ -56,7 +56,7 @@ export class CoreSitePluginsModuleHandler extends CoreSitePluginsBaseHandler imp
 
         if (initResult?.jsResult && initResult.jsResult.supportsFeature) {
             // The init result defines a function to check if a feature is supported, use it.
-            this.supportsFeature = initResult.jsResult.supportsFeature.bind(initResult.jsResult);
+            this.supportsFeature = (feature) => initResult.jsResult.supportsFeature(feature);
         }
     }
 

src/core/features/siteplugins/classes/handlers/module-prefetch-handler.ts

@@ -58,7 +58,7 @@ export class CoreSitePluginsModulePrefetchHandler extends CoreCourseActivityPref
         return this.prefetchPackage(
             module,
             courseId,
-            this.downloadPrefetchPlugin.bind(this, module, courseId, false, dirPath, siteId),
+            (siteId) => this.downloadPrefetchPlugin(module, courseId, false, dirPath, siteId),
             siteId,
         );
     }
@@ -226,7 +226,7 @@ export class CoreSitePluginsModulePrefetchHandler extends CoreCourseActivityPref
         return this.prefetchPackage(
             module,
             courseId,
-            this.downloadPrefetchPlugin.bind(this, module, courseId, true, dirPath),
+            (siteId) => this.downloadPrefetchPlugin(module, courseId, true, dirPath, siteId),
         );
     }
 

src/core/features/siteplugins/components/plugin-content/plugin-content.ts

@@ -108,11 +108,13 @@ export class CoreSitePluginsPluginContentComponent implements OnInit, DoCheck {
             this.jsData = Object.assign(this.data, CoreSitePlugins.createDataForJS(this.initResult, result));
 
             // Pass some methods as jsData so they can be called from the template too.
-            this.jsData.fetchContent = this.fetchContent.bind(this);
+            this.jsData.fetchContent = refresh => this.fetchContent(refresh);
-            this.jsData.openContent = this.openContent.bind(this);
+            this.jsData.openContent = (title, args, component, method, jsData, preSets, ptrEnabled) =>
-            this.jsData.refreshContent = this.refreshContent.bind(this);
+                this.openContent(title, args, component, method, jsData, preSets, ptrEnabled);
-            this.jsData.updateContent = this.updateContent.bind(this);
+            this.jsData.refreshContent = showSpinner => this.refreshContent(showSpinner);
-            this.jsData.updateModuleCourseContent = this.updateModuleCourseContent.bind(this);
+            this.jsData.updateContent = (args, component, method, jsData, preSets) =>
+                this.updateContent(args, component, method, jsData, preSets);
+            this.jsData.updateModuleCourseContent = (cmId, alreadyFetched) => this.updateModuleCourseContent(cmId, alreadyFetched);
 
             this.onContentLoaded.emit({ refresh: !!refresh, success: true });
         } catch (error) {

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

@@ -362,7 +362,7 @@ export class CoreSitePluginsHelperProvider {
             plugin.parsedHandlers = CoreTextUtils.parseJSON(
                 plugin.handlers,
                 null,
-                this.logger.error.bind(this.logger, 'Error parsing site plugin handlers'),
+                error => this.logger.error('Error parsing site plugin handlers', error),
             );
         }
 
@@ -370,7 +370,7 @@ export class CoreSitePluginsHelperProvider {
             plugin.parsedLang = CoreTextUtils.parseJSON(
                 plugin.lang,
                 null,
-                this.logger.error.bind(this.logger, 'Error parsing site plugin lang'),
+                error => this.logger.error('Error parsing site plugin lang', error),
             );
         }
 

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

@@ -468,7 +468,7 @@ export class CoreSitePluginsProvider {
             plugin.parsedHandlers = CoreTextUtils.parseJSON(
                 plugin.handlers,
                 null,
-                this.logger.error.bind(this.logger, 'Error parsing site plugin handlers'),
+                error => this.logger.error('Error parsing site plugin handlers', error),
             );
         }
 

src/core/features/user/services/handlers/course-option.ts

@@ -19,8 +19,7 @@ import {
     CoreCourseOptionsHandler,
     CoreCourseOptionsHandlerData,
 } from '@features/course/services/course-options-delegate';
-import { CoreCourseUserAdminOrNavOptionIndexed } from '@features/courses/services/courses';
+import { CoreCourseAnyCourseData, CoreCourseUserAdminOrNavOptionIndexed } from '@features/courses/services/courses';
-import { CoreEnrolledCourseDataWithExtraInfoAndOptions } from '@features/courses/services/courses-helper';
 import { PARTICIPANTS_PAGE_NAME } from '@features/user/user.module';
 import { makeSingleton } from '@singletons';
 import { CoreUser } from '../user';
@@ -35,11 +34,7 @@ export class CoreUserCourseOptionHandlerService implements CoreCourseOptionsHand
     priority = 600;
 
     /**
-     * Should invalidate the data to determine if the handler is enabled for a certain course.
+     * @inheritdoc
-     *
-     * @param courseId The course ID.
-     * @param navOptions Course navigation options for current user. See CoreCoursesProvider.getUserNavigationOptions.
-     * @return Promise resolved when done.
      */
     invalidateEnabledForCourse(courseId: number, navOptions?: CoreCourseUserAdminOrNavOptionIndexed): Promise<void> {
         if (navOptions && navOptions.participants !== undefined) {
@@ -51,21 +46,14 @@ export class CoreUserCourseOptionHandlerService implements CoreCourseOptionsHand
     }
 
     /**
-     * Check if the handler is enabled on a site level.
+     * @inheritdoc
-     *
-     * @return Whether or not the handler is enabled on a site level.
      */
     isEnabled(): Promise<boolean> {
         return Promise.resolve(true);
     }
 
     /**
-     * Whether or not the handler is enabled for a certain course.
+     * @inheritdoc
-     *
-     * @param courseId The course ID.
-     * @param accessData Access type and data. Default, guest, ...
-     * @param navOptions Course navigation options for current user. See CoreCoursesProvider.getUserNavigationOptions.
-     * @return True or promise resolved with true if enabled.
      */
     isEnabledForCourse(
         courseId: number,
@@ -95,12 +83,9 @@ export class CoreUserCourseOptionHandlerService implements CoreCourseOptionsHand
     }
 
     /**
-     * Called when a course is downloaded. It should prefetch all the data to be able to see the addon in offline.
+     * @inheritdoc
-     *
-     * @param course The course.
-     * @return Promise resolved when done.
      */
-    async prefetch(course: CoreEnrolledCourseDataWithExtraInfoAndOptions): Promise<void> {
+    async prefetch(course: CoreCourseAnyCourseData): Promise<void> {
         let offset = 0;
         let canLoadMore = true;
 

src/core/features/user/services/user-sync.ts

@@ -41,7 +41,7 @@ export class CoreUserSyncProvider extends CoreSyncBaseProvider<string[]> {
      * @return Promise resolved with warnings if sync is successful, rejected if sync fails.
      */
     syncPreferences(siteId?: string): Promise<void> {
-        return this.syncOnSites('all user preferences', this.syncSitePreferences.bind(this), siteId);
+        return this.syncOnSites('all user preferences', (siteId) => this.syncSitePreferences(siteId), siteId);
     }
 
     /**

src/core/services/file.ts

@@ -834,9 +834,9 @@ export class CoreFileProvider {
             return this.copyOrMoveExternalFile(from, to, copy);
         }
 
-        const moveCopyFn: MoveCopyFunction = copy ?
+        const moveCopyFn: MoveCopyFunction = (...args) => copy ?
-            (isDir ? File.copyDir.bind(File.instance) : File.copyFile.bind(File.instance)) :
+            (isDir ? File.copyDir(...args) : File.copyFile(...args)) :
-            (isDir ? File.moveDir.bind(File.instance) : File.moveFile.bind(File.instance));
+            (isDir ? File.moveDir(...args) : File.moveFile(...args));
 
         await this.init();
 
@@ -854,14 +854,16 @@ export class CoreFileProvider {
         try {
             const entry = await moveCopyFn(this.basePath, from, this.basePath, to);
 
-            return entry;
+            return <FileEntry | DirectoryEntry> entry;
         } catch (error) {
             // The copy can fail if the path has encoded characters. Try again if that's the case.
             const decodedFrom = decodeURI(from);
             const decodedTo = decodeURI(to);
 
             if (from != decodedFrom || to != decodedTo) {
-                return moveCopyFn(this.basePath, decodedFrom, this.basePath, decodedTo);
+                const entry = await moveCopyFn(this.basePath, decodedFrom, this.basePath, decodedTo);
+
+                return <FileEntry | DirectoryEntry> entry;
             } else {
                 return Promise.reject(error);
             }
@@ -1307,4 +1309,4 @@ export class CoreFileProvider {
 
 export const CoreFile = makeSingleton(CoreFileProvider);
 
-type MoveCopyFunction = (path: string, dirName: string, newPath: string, newDirName: string) => Promise<FileEntry | DirectoryEntry>;
+type MoveCopyFunction = (path: string, name: string, newPath: string, newName: string) => Promise<Entry>;

src/core/services/lang.ts

@@ -293,7 +293,7 @@ export class CoreLangProvider {
      * @return Translated month names.
      */
     getMonthNames(): string[] {
-        return moment.months().map(this.capitalize.bind(this));
+        return moment.months().map(month => this.capitalize(month));
     }
 
     /**
@@ -302,7 +302,7 @@ export class CoreLangProvider {
      * @return Translated month short names.
      */
     getMonthShortNames(): string[] {
-        return moment.monthsShort().map(this.capitalize.bind(this));
+        return moment.monthsShort().map(month => this.capitalize(month));
     }
 
     /**
@@ -311,7 +311,7 @@ export class CoreLangProvider {
      * @return Translated day names.
      */
     getDayNames(): string[] {
-        return moment.weekdays().map(this.capitalize.bind(this));
+        return moment.weekdays().map(weekDay => this.capitalize(weekDay));
     }
 
     /**
@@ -320,7 +320,7 @@ export class CoreLangProvider {
      * @return Translated day short names.
      */
     getDayShortNames(): string[] {
-        return moment.weekdaysShort().map(this.capitalize.bind(this));
+        return moment.weekdaysShort().map(weekDay => this.capitalize(weekDay));
     }
 
     /**

src/core/services/screen.ts

@@ -74,7 +74,7 @@ export class CoreScreenService {
         }), {} as Record<Breakpoint, boolean>));
 
         this._layoutObservable = this.breakpointsObservable.pipe(
-            map(this.calculateLayout.bind(this)),
+            map(breakpoints => this.calculateLayout(breakpoints)),
             distinctUntilChanged<CoreScreenLayout>(),
         );
     }

src/core/services/utils/iframe.ts

@@ -398,7 +398,7 @@ export class CoreIframeUtilsProvider {
 
             // Add click listener to the link, this way if the iframe has added a listener to the link it will be executed first.
             link.treated = true;
-            link.addEventListener('click', this.linkClicked.bind(this, link, element));
+            link.addEventListener('click', event => this.linkClicked(link, element, event));
         }, {
             capture: true, // Use capture to fix this listener not called if the element clicked is too deep in the DOM.
         });
@@ -468,7 +468,7 @@ export class CoreIframeUtilsProvider {
      */
     protected async linkClicked(
         link: CoreIframeHTMLAnchorElement | {href: string; target?: string; originalHref?: string},
-        element?: HTMLFrameElement | HTMLObjectElement,
+        element?: CoreFrameElement,
         event?: Event,
     ): Promise<void> {
         if (event && event.defaultPrevented) {
@@ -554,7 +554,7 @@ export class CoreIframeUtilsProvider {
         userScriptWindow.WKUserScript?.addScript({ id: 'CoreIframeUtilsLinksScript', file: linksPath });
 
         // Handle post messages received by iframes.
-        window.addEventListener('message', this.handleIframeMessage.bind(this));
+        window.addEventListener('message', (event) => this.handleIframeMessage(event));
     }
 
     /**

src/core/services/utils/utils.ts

@@ -488,7 +488,7 @@ export class CoreUtilsProvider {
      */
     async filterEnabledSites<P extends unknown[]>(
         siteIds: string[],
-        isEnabledFn: (siteId, ...args: P) => boolean | Promise<boolean>,
+        isEnabledFn: (siteId: string, ...args: P) => boolean | Promise<boolean>,
         checkAll?: boolean,
         ...args: P
     ): Promise<string[]> {

src/core/services/ws.ts

@@ -908,7 +908,7 @@ export class CoreWSProvider {
         const data = CoreTextUtils.parseJSON<any>(
             success.response,
             null,
-            this.logger.error.bind(this.logger, 'Error parsing response from upload', success.response),
+            error => this.logger.error('Error parsing response from upload', success.response, error),
         );
 
         if (data === null) {

src/core/singletons/logger.ts

@@ -86,15 +86,15 @@ export class CoreLogger {
 
         return new CoreLogger(
             // eslint-disable-next-line no-console
-            CoreLogger.prepareLogFn(console.log.bind(console), className),
+            CoreLogger.prepareLogFn((...data) => console.log(...data), className),
             // eslint-disable-next-line no-console
-            CoreLogger.prepareLogFn(console.info.bind(console), className),
+            CoreLogger.prepareLogFn((...data) => console.info(...data), className),
             // eslint-disable-next-line no-console
-            CoreLogger.prepareLogFn(console.warn.bind(console), className),
+            CoreLogger.prepareLogFn((...data) => console.warn(...data), className),
             // eslint-disable-next-line no-console
-            CoreLogger.prepareLogFn(console.debug.bind(console), className),
+            CoreLogger.prepareLogFn((...data) => console.debug(...data), className),
             // eslint-disable-next-line no-console
-            CoreLogger.prepareLogFn(console.error.bind(console), className),
+            CoreLogger.prepareLogFn((...data) => console.error(...data), className),
         );
     }