41 lines
1.2 KiB
TypeScript
41 lines
1.2 KiB
TypeScript
import i18n from '../i18n';
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export type SupportedLocale = 'de' | 'en';
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export const SUPPORTED_LANGUAGES: Array<{ code: SupportedLocale; labelKey: string }> = [
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{ code: 'de', labelKey: 'language.de' },
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{ code: 'en', labelKey: 'language.en' },
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];
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function getCsrfToken(): string {
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return document.querySelector<HTMLMetaElement>('meta[name="csrf-token"]')?.content ?? '';
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}
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async function persistLocale(locale: SupportedLocale): Promise<void> {
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const response = await fetch('/set-locale', {
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method: 'POST',
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headers: {
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'Content-Type': 'application/json',
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'X-CSRF-TOKEN': getCsrfToken(),
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Accept: 'application/json',
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'X-Requested-With': 'XMLHttpRequest',
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},
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body: JSON.stringify({ locale }),
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credentials: 'include',
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});
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if (!response.ok) {
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throw new Error(`locale update failed with status ${response.status}`);
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}
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}
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export function getCurrentLocale(): SupportedLocale {
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return (i18n.language || document.documentElement.lang || 'de') as SupportedLocale;
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}
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export async function switchLocale(locale: SupportedLocale): Promise<void> {
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await persistLocale(locale);
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await i18n.changeLanguage(locale);
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document.documentElement.setAttribute('lang', locale);
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}
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