axios/lib/core/AxiosError.js

Promise based HTTP client for the browser and node.js

'use strict';

import utils from '../utils.js';

class AxiosError extends Error {
  static from(error, code, config, request, response, customProps) {
    const axiosError = new AxiosError(error.message, code || error.code, config, request, response);
    axiosError.cause = error;
    axiosError.name = error.name;

    // Preserve status from the original error if not already set from response
    if (error.status != null && axiosError.status == null) {
      axiosError.status = error.status;
    }

    customProps && Object.assign(axiosError, customProps);
    return axiosError;
  }

    /**
     * Create an Error with the specified message, config, error code, request and response.
     *
     * @param {string} message The error message.
     * @param {string} [code] The error code (for example, 'ECONNABORTED').
     * @param {Object} [config] The config.
     * @param {Object} [request] The request.
     * @param {Object} [response] The response.
     *
     * @returns {Error} The created error.
     */
    constructor(message, code, config, request, response) {
      super(message);
      
      // Make message enumerable to maintain backward compatibility
      // The native Error constructor sets message as non-enumerable,
      // but axios < v1.13.3 had it as enumerable
      Object.defineProperty(this, 'message', {
          value: message,
          enumerable: true,
          writable: true,
          configurable: true
      });
      
      this.name = 'AxiosError';
      this.isAxiosError = true;
      code && (this.code = code);
      config && (this.config = config);
      request && (this.request = request);
      if (response) {
          this.response = response;
          this.status = response.status;
      }
    }

  toJSON() {
    return {
      // Standard
      message: this.message,
      name: this.name,
      // Microsoft
      description: this.description,
      number: this.number,
      // Mozilla
      fileName: this.fileName,
      lineNumber: this.lineNumber,
      columnNumber: this.columnNumber,
      stack: this.stack,
      // Axios
      config: utils.toJSONObject(this.config),
      code: this.code,
      status: this.status,
    };
  }
}

// This can be changed to static properties as soon as the parser options in .eslint.cjs are updated.
AxiosError.ERR_BAD_OPTION_VALUE = 'ERR_BAD_OPTION_VALUE';
AxiosError.ERR_BAD_OPTION = 'ERR_BAD_OPTION';
AxiosError.ECONNABORTED = 'ECONNABORTED';
AxiosError.ETIMEDOUT = 'ETIMEDOUT';
AxiosError.ERR_NETWORK = 'ERR_NETWORK';
AxiosError.ERR_FR_TOO_MANY_REDIRECTS = 'ERR_FR_TOO_MANY_REDIRECTS';
AxiosError.ERR_DEPRECATED = 'ERR_DEPRECATED';
AxiosError.ERR_BAD_RESPONSE = 'ERR_BAD_RESPONSE';
AxiosError.ERR_BAD_REQUEST = 'ERR_BAD_REQUEST';
AxiosError.ERR_CANCELED = 'ERR_CANCELED';
AxiosError.ERR_NOT_SUPPORT = 'ERR_NOT_SUPPORT';
AxiosError.ERR_INVALID_URL = 'ERR_INVALID_URL';

export default AxiosError;