MOBILE-4059 core: Improve Translate.instant types

src/core/features/comments/pages/viewer/viewer.page.ts

@@ -128,7 +128,7 @@ export class CoreCommentsViewerPage implements OnInit, OnDestroy {
             this.componentName = CoreNavigator.getRequiredRouteParam<string>('componentName');
             this.itemId = CoreNavigator.getRequiredRouteNumberParam('itemId');
             this.area = CoreNavigator.getRouteParam('area') || '';
-            this.title = CoreNavigator.getRouteNumberParam('title') ||
+            this.title = CoreNavigator.getRouteParam('title') ||
                 Translate.instant('core.comments.comments');
             this.courseId = CoreNavigator.getRouteNumberParam('courseId');
         } catch (error) {

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

@@ -193,10 +193,13 @@ export class CoreCourseSyncProvider extends CoreSyncBaseProvider<CoreCourseSyncR
 
                 // Completion deleted, add a warning if the completion status doesn't match.
                 if (onlineComp.state != entry.completed) {
-                    result.warnings.push(Translate.instant('core.course.warningofflinemanualcompletiondeleted', {
-                        name: courseName || courseId,
-                        error: Translate.instant('core.course.warningmanualcompletionmodified'),
-                    }));
+                    result.warnings.push({
+                        warningcode: 'apperror',
+                        message: Translate.instant('core.course.warningofflinemanualcompletiondeleted', {
+                            name: courseName || courseId,
+                            error: Translate.instant('core.course.warningmanualcompletionmodified'),
+                        }),
+                    });
                 }
 
                 return;
@@ -220,10 +223,13 @@ export class CoreCourseSyncProvider extends CoreSyncBaseProvider<CoreCourseSyncR
                 await CoreCourseOffline.deleteManualCompletion(entry.cmid, siteId);
 
                 // Completion deleted, add a warning.
-                result.warnings.push(Translate.instant('core.course.warningofflinemanualcompletiondeleted', {
-                    name: courseName || courseId,
-                    error: CoreTextUtils.getErrorMessageFromError(error),
-                }));
+                result.warnings.push({
+                    warningcode: 'apperror',
+                    message: Translate.instant('core.course.warningofflinemanualcompletiondeleted', {
+                        name: courseName || courseId,
+                        error: CoreTextUtils.getErrorMessageFromError(error),
+                    }),
+                });
             }
         }));
 

src/core/services/utils/dom.ts

@@ -1553,14 +1553,18 @@ export class CoreDomUtilsProvider {
                 // Default buttons.
                 options.buttons = [
                     {
-                        text: buttons && 'cancelText' in buttons ? buttons.cancelText : Translate.instant('core.cancel'),
+                        text: buttons && 'cancelText' in buttons
+                            ? buttons.cancelText as string
+                            : Translate.instant('core.cancel'),
                         role: 'cancel',
                         handler: () => {
                             reject();
                         },
                     },
                     {
-                        text: buttons && 'okText' in buttons ? buttons.okText : Translate.instant('core.ok'),
+                        text: buttons && 'okText' in buttons
+                            ? buttons.okText as string
+                            : Translate.instant('core.ok'),
                         handler: resolvePromise,
                     },
                 ];

src/core/singletons/index.ts

@@ -217,7 +217,10 @@ export const Router = makeSingleton(RouterService);
 export const DomSanitizer = makeSingleton(DomSanitizerService);
 
 // Convert external libraries injectables.
-export const Translate = makeSingleton(TranslateService);
+export const Translate: Omit<CoreSingletonProxy<TranslateService>, 'instant'> & {
+    instant(keys: string[]): string[];
+    instant(key: string, interpolateParams?: Record<string, unknown>): string;
+} = makeSingleton(TranslateService);
 
 // Async singletons.
 export const AngularFrameworkDelegate = asyncInstance(async () => {

src/testing/utils.ts

@@ -29,6 +29,7 @@ import { CorePlatform } from '@services/platform';
 import { CoreDB } from '@services/db';
 import { CoreNavigator } from '@services/navigator';
 import { CoreDomUtils } from '@services/utils/dom';
+import { TranslateService } from '@ngx-translate/core';
 
 abstract class WrapperComponent<U> {
 
@@ -293,8 +294,10 @@ export function wait(time: number): Promise<void> {
  *
  * @param translations List of translations.
  */
-export function mockTranslate(translations: Record<string, string>): void {
-    mockSingleton(Translate, {
-        instant: (key) => translations[key] ?? key,
+export function mockTranslate(translations: Record<string, string> = {}): void {
+    mockSingleton(Translate as CoreSingletonProxy<TranslateService>, {
+        instant: (key) => Array.isArray(key)
+            ? key.map(k => translations[k] ?? k)
+            : translations[key] ?? key,
     });
 }