Function tmdbFetch

src/utils/api.js:72–116

(path, apiKey)

}

export const tmdbFetch = async (path, apiKey) => {
  const localizedPath = withLanguage(path);
  const cacheKey = `${apiKey}|${localizedPath}`;
  const cached = _tmdbCache.get(cacheKey);
  if (cached && Date.now() < cached.expiresAt) return cached.data;

  await _acquireSlot();

  let res;
  try {
    res = await fetch(`${TMDB_BASE}${localizedPath}`, {
      headers: { Authorization: `Bearer ${apiKey}` },
    });
  } catch {
    _releaseSlot();
    _onUnreachable?.();
    throw new Error("TMDB unreachable");
  } finally {
    // releaseSlot is called in the catch above for network errors;
    // for successful responses it is called immediately below, before
    // parsing, so the slot is held only during the actual in-flight
    // request, not during res.json().
  }

  _releaseSlot();

  if (res.status === 401 || res.status === 403) {
    _onAuthError?.();
    throw new Error(`TMDB ${res.status}`);
  }

  if (!res.ok) throw new Error(`TMDB ${res.status}`);
  const data = await res.json();
  _tmdbCache.set(cacheKey, { data, expiresAt: Date.now() + TMDB_CACHE_TTL });

  // Evict stale entries to prevent unbounded memory growth
  if (_tmdbCache.size > 80) {
    const now = Date.now();
    for (const [k, v] of _tmdbCache) {
      if (now >= v.expiresAt) _tmdbCache.delete(k);
    }
  }

  return data;
};

// Documentation:
// https://www.videasy.to/docs