feat: refactor i18n catalogs into grouped locale message files

type MessageCatalog = Record<string, string>;

const chunkModules = import.meta.glob("./messages/*/*.json");

function getChunkPathsForLocale(locale: string): string[] {

  return Object.keys(chunkModules)

    .filter((path) => path.startsWith(`./messages/${locale}/`))

    .sort((a, b) => a.localeCompare(b));

}

async function loadLegacyLocaleMessages(locale: string): Promise<MessageCatalog> {

  const module = await import(`./messages/${locale}.json`);

  return module.default as MessageCatalog;

}

export async function loadMessages(locale: string): Promise<MessageCatalog> {

  const chunkPaths = getChunkPathsForLocale(locale);

  if (chunkPaths.length === 0) {

    return loadLegacyLocaleMessages(locale);

  }

  const mergedMessages: MessageCatalog = {};

  for (const chunkPath of chunkPaths) {

    const loader = chunkModules[chunkPath];

    if (!loader) {

      continue;

    }

    const module = (await loader()) as { default?: MessageCatalog };

    const chunkMessages = module.default ?? {};

    for (const [key, value] of Object.entries(chunkMessages)) {

      if (key in mergedMessages) {

        throw new Error(

          `Duplicate translation key '${key}' detected while loading '${chunkPath}'.`,

        );

      }

      mergedMessages[key] = value;

    }

  }

  return mergedMessages;

}

{

  "api.loading.retry": "Opakovat připojení",

  "api.loading.retry.hint": "Spusťte `pnpm dev` v adresáři projektu pro spuštění serveru",

  "api.loading.startup.brand": "DeckHand",

  "api.loading.startup.description": "Čekám na API a automaticky pokračuji, jakmile bude připravené.",

  "api.loading.startup.error.description": "Nepodařilo se navázat spojení do 3 minut. Zkontrolujte backend a zkuste to znovu.",

  "api.loading.startup.error.title": "API je stále offline",

  "api.loading.startup.progress": "Kontroluji API…",

  "api.loading.startup.remaining": "Zbývá {seconds}s",

  "api.loading.startup.title": "DeckHand se spouští",

  "api.status.mock": "Testovací data",

  "api.status.offline": "Offline",

  "api.status.online": "Živé API",

  "api.status.retry.short": "Opakovat",

  "api.status.retry.title": "Zkusit znovu připojení API"

}

{

  "app-sidebar.project.delete": "Smazat projekt",

  "app-sidebar.project.open": "Otevřít projekt",

  "app-sidebar.project.options": "Možnosti",

  "app-sidebar.project.pin": "",

  "app-sidebar.project.rename": "Přejmenovat projekt",

  "app-sidebar.project.unpin": "",

  "app-sidebar.projects": "Projekty",

  "app-sidebar.projects.empty": "Zatím žádné projekty",

  "app-sidebar.projects.toggle": "",

  "app-sidebar.projects.view-all": "",

  "app-sidebar.settings": "Nastavení"

}

{

  "auth.logout.success.description": "Byli jste úspěšně odhlášeni.",

  "auth.logout.success.title": "Úspěšné odhlášení"

}