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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 | 1x 1x 1x 17x 17x 17x 16x 1x 1x 17x 2x 3x 2x 18x 18x 2x 1x 1x 7x 1x 6x 3x 1x 2x 9x 1x 8x 4x | /**
* Copyright (c) Siemens 2016 - 2026
* SPDX-License-Identifier: MIT
*/
import { isDevMode } from '@angular/core';
import { MissingTranslationHandler, TranslateService } from '@ngx-translate/core';
import { SiTranslateService, TranslationResult } from '@siemens/element-translate-ng/translate';
import { merge, Observable, of } from 'rxjs';
import { map } from 'rxjs/operators';
import { SiMissingTranslateService } from './si-missing-translate.service';
/**
* {@link SiTranslateService} wrapper around ngx-translate
*
* @internal
*/
export class SiTranslateNgxTService extends SiTranslateService {
private ngxTranslateService: TranslateService;
private readonly fallbackTranslations?: SiMissingTranslateService;
constructor(
ngxTranslateService: TranslateService,
missingTranslateHandler: MissingTranslationHandler | null
) {
super();
this.ngxTranslateService = ngxTranslateService;
if (missingTranslateHandler instanceof SiMissingTranslateService) {
this.fallbackTranslations = missingTranslateHandler;
E} else if (isDevMode()) {
console.warn(
'SiMissingTranslateService not provided as missingTranslateHandler, default translations will not work.'
);
}
this.translationChange$ = merge(
this.ngxTranslateService.onTranslationChange,
this.ngxTranslateService.onLangChange
).pipe(map(() => {}));
}
override get currentLanguage(): string | undefined {
return this.ngxTranslateService.currentLang;
}
override get availableLanguages(): readonly string[] {
return this.ngxTranslateService.getLangs();
}
override set availableLanguages(languages: string[]) {
this.ngxTranslateService.addLangs(languages);
}
override setCurrentLanguage(lang: string): Observable<void> {
this.setDocumentLanguage(lang);
return this.ngxTranslateService.use(lang).pipe(map(() => {}));
}
override getDefaultLanguage(): string | null {
return this.ngxTranslateService.getDefaultLang();
}
override setDefaultLanguage(lang: string): void {
this.setDocumentLanguage(lang);
this.ngxTranslateService.setDefaultLang(lang);
}
override translate<T extends string | string[]>(
keys: T,
params?: Record<string, unknown>
): Observable<TranslationResult<T>> | TranslationResult<T> {
if (Array.isArray(keys) && !keys.length) {
return of({} as TranslationResult<T>);
}
return this.ngxTranslateService.stream(keys, params);
}
override translateAsync<T extends string | string[]>(
keys: T,
params?: Record<string, unknown>
): Observable<TranslationResult<T>> {
if (Array.isArray(keys) && !keys.length) {
return of({} as TranslationResult<T>);
}
return this.ngxTranslateService.stream(keys, params);
}
override translateSync<T extends string | string[]>(
keys: T,
params?: Record<string, unknown>
): TranslationResult<T> {
if (Array.isArray(keys) && !keys.length) {
return {} as TranslationResult<T>;
}
return this.ngxTranslateService.instant(keys, params);
}
override setTranslation(key: string, value: string): void {
this.fallbackTranslations?.setTranslation(key, value);
}
}
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