Function createCachedFunction

lib/utils/cache.ts:123–148

(
  fn: () => Promise<T>,
  keyParts: string[],
  options: CacheOptions = {}
)

}

export function createCachedFunction<T>(
  fn: () => Promise<T>,
  keyParts: string[],
  options: CacheOptions = {}
) {
  if (keyParts.length === 0) {
    throw new Error('keyParts must contain at least one element');
  }
  const [prefix, ...parts] = keyParts;
  const cacheKey = getCacheKey(prefix, ...parts);

  return async (): Promise<T> => {
    if (!Settings.CACHE_ENABLED) {
      return fn();
    }

    const cached = await getCache<T>(cacheKey);
    if (cached !== null) {
      return cached;
    }

    const result = await fn();
    await setCache(cacheKey, result, options);
    return result;
  };
}