@openzeppelin/hardhat-upgrades/src/utils/errors.ts

[](https://docs.openzeppelin.com/upgrades-plugins/hardhat-upgrades) [](https://www.npmjs.org/package/@openzeppelin/h

export function isErrorCode(e: unknown, code: string): boolean {
  return typeof e === 'object' && e !== null && 'code' in e && (e as NodeJS.ErrnoException).code === code;
}