Method tryAll

src/providers/fallback-chain.ts:18–30

(
    fn: (p: MemoryProvider) => Promise<string>,
  )

  }

  private async tryAll(
    fn: (p: MemoryProvider) => Promise<string>,
  ): Promise<string> {
    let lastError: Error | null = null;
    for (const provider of this.providers) {
      try {
        return await fn(provider);
      } catch (err) {
        lastError = err instanceof Error ? err : new Error(String(err));
      }
    }
    throw lastError || new Error("No providers available");
  }
}