feat(app): displayLanguage code→anzeigename
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import { describe, it, expect } from 'vitest';
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import { displayLanguage } from './languageNames';
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describe('displayLanguage', () => {
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it('kennt deutsch', () => {
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expect(displayLanguage('de')).toBe('Deutsch');
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});
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it('kennt english', () => {
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expect(displayLanguage('en')).toBe('English');
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});
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it('fällt bei unbekanntem code auf uppercase-code zurück', () => {
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expect(displayLanguage('fr')).toBe('FR');
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});
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it('fällt bei leerer sprache auf ? zurück', () => {
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expect(displayLanguage('')).toBe('?');
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});
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});
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const NAMES: Record<string, string> = {
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de: 'Deutsch',
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en: 'English'
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};
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export function displayLanguage(code: string): string {
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if (!code) return '?';
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return NAMES[code] ?? code.toUpperCase();
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}
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