Function t

packages/happy-app/sources/text/index.ts:167–207

(
    key: K,
    ...args: GetParams<GetValue<Translations, K>> extends void
        ? []
        : [GetParams<GetValue<Translations, K>>]
)

 * t('sessionInfo.agentState')           // "Agent State" or "Состояние агента"
 */
export function t<K extends TranslationKey>(
    key: K,
    ...args: GetParams<GetValue<Translations, K>> extends void
        ? []
        : [GetParams<GetValue<Translations, K>>]
): string {
    try {
        // Get current language translations
        const currentTranslations = translations[currentLanguage];

        // Navigate to the value using dot notation
        const keys = key.split('.');
        let value: any = currentTranslations;

        for (const k of keys) {
            value = value[k];
            if (value === undefined) {
                console.warn(`Translation missing: ${key}`);
                return key;
            }
        }

        // If it's a function, call it with the provided parameters
        if (typeof value === 'function') {
            const params = args[0];
            return value(params);
        }

        // If it's a string constant, return it directly
        if (typeof value === 'string') {
            return value;
        }

        // Fallback for unexpected types
        console.warn(`Invalid translation value type for key: ${key}`);
        return key;
    } catch (error) {
        console.error(`Translation error for key: ${key}`, error);
        return key;
    }
}

/**
 * Get the currently active language