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🌎 i18n: React-i18next & i18next Integration (#5720)

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* better i18n support an internationalization-framework.

* removed unused package

* auto sort for translation.json

* fixed tests with the new locales function

* added new CI actions from locize

* to use locize a mention in the README.md

* to use locize a mention in the README.md

* updated README.md and added TRANSLATION.md to the repo

* updated TRANSLATION.md badges

* updated README.md to go to the TRANSLATION.md when clicking on the Translation Progress badge

* updated TRANSLATION.md and added a new issue template.

* updated TRANSLATION.md and added a new issue template.

* updated issue template to add the iso code link.

* updated the new GitHub actions for `locize`

* updated label for new issue template --> i18n

* fixed type issue

* Fix eslint

* Fix eslint with key-spacing spacing

* fix: error type

* fix: handle undefined values in SortFilterHeader component

* fix: typing in Image component

* fix: handle optional promptGroup in PromptCard component

* fix: update localize function to accept string type and remove unnecessary JSX element

* fix: update localize function to enforce TranslationKeys type for better type safety

* fix: improve type safety and handle null values in Assistants component

* fix: enhance null checks for fileId in FilesListView component

* fix: localize 'Go back' button text in FilesListView component

* fix: update aria-label for menu buttons and add translation for 'Close Menu'

* docs: add Reasoning UI section for Chain-of-Thought AI models in README

* fix: enhance type safety by adding type for message in MultiMessage component

* fix: improve null checks and optional chaining in useAutoSave hook

* fix: improve handling of optional properties in cleanupPreset function

* fix: ensure isFetchingNextPage defaults to false and improve null checks for messages in Search component

* fix: enhance type safety and null checks in useBuildMessageTree hook

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Co-authored-by: Danny Avila <danny@librechat.ai>
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Ruben Talstra 2025-02-09 18:05:31 +01:00 • committed by GitHub
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49
client/src/locales/Translation.spec.ts Normal file
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// Translation.spec.ts
import i18n from './i18n';
import English from './en/translation.json';
import French from './fr/translation.json';
import Spanish from './es/translation.json';
describe('i18next translation tests', () => {
// Ensure i18next is initialized before any tests run
beforeAll(async () => {
if (!i18n.isInitialized) {
await i18n.init();
}
});
it('should return the correct translation for a valid key in English', () => {
i18n.changeLanguage('en');
expect(i18n.t('com_ui_examples')).toBe(English.com_ui_examples);
});
it('should return the correct translation for a valid key in French', () => {
i18n.changeLanguage('fr');
expect(i18n.t('com_ui_examples')).toBe(French.com_ui_examples);
});
it('should return the correct translation for a valid key in Spanish', () => {
i18n.changeLanguage('es');
expect(i18n.t('com_ui_examples')).toBe(Spanish.com_ui_examples);
});
it('should fallback to English for an invalid language code', () => {
// When an invalid language is provided, i18next should fallback to English
i18n.changeLanguage('invalid-code');
expect(i18n.t('com_ui_examples')).toBe(English.com_ui_examples);
});
it('should return an empty string for an invalid key', () => {
i18n.changeLanguage('en');
expect(i18n.t('invalid-key')).toBe('');
});
it('should correctly format placeholders in the translation', () => {
i18n.changeLanguage('en');
expect(i18n.t('com_endpoint_default_with_num', { 0: 'John' })).toBe('default: John');
i18n.changeLanguage('fr');
expect(i18n.t('com_endpoint_default_with_num', { 0: 'Marie' })).toBe('par défaut : Marie');
});
});