Files
print-calculator/frontend/src/app/app.config.ts
2026-03-11 16:31:15 +00:00

99 lines
2.8 KiB
TypeScript

import {
ApplicationConfig,
provideAppInitializer,
provideZoneChangeDetection,
importProvidersFrom,
inject,
REQUEST,
} from '@angular/core';
import {
provideRouter,
withComponentInputBinding,
withInMemoryScrolling,
withViewTransitions,
Router,
} from '@angular/router';
import { routes } from './app.routes';
import { provideHttpClient, withInterceptors } from '@angular/common/http';
import {
TranslateLoader,
TranslateModule,
TranslateService,
} from '@ngx-translate/core';
import { adminAuthInterceptor } from './core/interceptors/admin-auth.interceptor';
import {
provideClientHydration,
withEventReplay,
} from '@angular/platform-browser';
import { serverOriginInterceptor } from './core/interceptors/server-origin.interceptor';
import { catchError, firstValueFrom, of } from 'rxjs';
import { StaticTranslateLoader } from './core/i18n/static-translate.loader';
type SupportedLang = 'it' | 'en' | 'de' | 'fr';
const SUPPORTED_LANGS: readonly SupportedLang[] = ['it', 'en', 'de', 'fr'];
function resolveLangFromUrl(url: string): SupportedLang {
const firstSegment = (url || '/')
.split('?')[0]
.split('#')[0]
.split('/')
.filter(Boolean)[0]
?.toLowerCase();
return SUPPORTED_LANGS.includes(firstSegment as SupportedLang)
? (firstSegment as SupportedLang)
: 'it';
}
export const appConfig: ApplicationConfig = {
providers: [
provideZoneChangeDetection({ eventCoalescing: true }),
provideRouter(
routes,
withComponentInputBinding(),
withViewTransitions(),
withInMemoryScrolling({
scrollPositionRestoration: 'top',
}),
),
provideHttpClient(
withInterceptors([serverOriginInterceptor, adminAuthInterceptor]),
),
importProvidersFrom(
TranslateModule.forRoot({
defaultLanguage: 'it',
loader: {
provide: TranslateLoader,
useClass: StaticTranslateLoader,
},
}),
),
provideAppInitializer(() => {
const translate = inject(TranslateService);
const router = inject(Router);
const request = inject(REQUEST, { optional: true }) as {
url?: string;
} | null;
translate.addLangs([...SUPPORTED_LANGS]);
translate.setDefaultLang('it');
const requestedUrl =
(typeof request?.url === 'string' && request.url) || router.url || '/';
const lang = resolveLangFromUrl(requestedUrl);
return firstValueFrom(
translate.use(lang).pipe(
catchError((error) => {
console.error('[i18n] Failed to preload language for SSR', {
lang,
requestedUrl,
error,
});
return of({});
}),
),
).then(() => undefined);
}),
provideClientHydration(withEventReplay()),
],
};