/**
 * Runs asynchronous operations in call order while keeping the queue usable
 * after an individual operation rejects.
 */
export class SerializedAsyncQueue {
  private tail: Promise<void> = Promise.resolve();

  run<T>(operation: () => Promise<T>): Promise<T> {
    const result = this.tail.then(operation, operation);
    this.tail = result.then(
      () => undefined,
      () => undefined,
    );
    return result;
  }
}