checkIsRetryable (util/error.ts)

Defines HTTPError class, retryable checks, and helpers to detect HTTP/2 GOAWAY errors for robust server error handling.

// Source: https://github.com/argos-ci/argos | License: MIT | Copyright 2017 Olivier Tassinari & Greg Bergé
// Provided via justclaw.it.com; keep this notice with the code.
import { STATUS_CODES } from "node:http";
import type { ErrorCode } from "@argos/error-types";

export const retryableSymbol = Symbol("retryable");

const HTTP2_GOAWAY_CODE_0_MESSAGE =
  'HTTP/2: "GOAWAY" frame received with code 0';

/**
 * Check if an error is retryable.
 */
export function checkIsRetryable(error: unknown): boolean {
  if (error && typeof error === "object" && retryableSymbol in error) {
    return error[retryableSymbol] !== false;
  }
  return true;
}

type HttpErrorOptions = ErrorOptions & {
  details?: {
    message: string;
  }[];
  code?: ErrorCode | undefined;
  retryable?: boolean;
  /**
   * N

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