@hyperfoundation/sdk/src/utils/errors.ts

SDK for Hyperliquid API

export class HyperliquidAPIError extends Error {
  constructor(
    public code: string,
    message: string
  ) {
    super(message);
    this.name = 'HyperliquidAPIError';
  }
}

export class AuthenticationError extends Error {
  constructor(message: string) {
    super(message);
    this.name = 'AuthenticationError';
  }
}

export function handleApiError(error: any): never {
  if (error.response) {
    // The request was made and the server responded with a status code
    // that falls out of the range of 2xx
    const errorCode =
      error.response.data && error.response.data.code
        ? error.response.data.code
        : error.response.status || 'UNKNOWN_ERROR';

    const errorMessage = error.response.data
      ? error.response.data.message ||
        (typeof error.response.data === 'string'
          ? error.response.data
          : 'An unknown error occurred')
      : 'An unknown error occurred';

    throw new HyperliquidAPIError(errorCode, errorMessage);
  } else if (error.request) {
    // The request was made but no response was received
    throw new HyperliquidAPIError('NETWORK_ERROR', 'No response received from the server');
  } else {
    // Something happened in setting up the request that triggered an Error
    throw new HyperliquidAPIError('REQUEST_SETUP_ERROR', error.message || 'Unknown error occurred');
  }
}