errors.js

module.exports = class EventEmitterError extends Error {
  constructor(msg, code, fn = EventEmitterError, opts) {
    super(`${code}: ${msg}`, opts)
    this.code = code

    if (Error.captureStackTrace) {
      Error.captureStackTrace(this, fn)
    }
  }

  get name() {
    return 'EventEmitterError'
  }

  static OPERATION_ABORTED(cause, msg = 'Operation aborted') {
    return new EventEmitterError(
      msg,
      'OPERATION_ABORTED',
      EventEmitterError.OPERATION_ABORTED,
      { cause }
    )
  }

  static UNHANDLED_ERROR(cause, msg = 'Unhandled error') {
    return new EventEmitterError(
      msg,
      'UNHANDLED_ERROR',
      EventEmitterError.UNHANDLED_ERROR,
      { cause }
    )
  }
}