'use strict';

Object.defineProperty(exports, "__esModule", {
  value: true
});

var _extends = Object.assign || function (target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i]; for (var key in source) { if (Object.prototype.hasOwnProperty.call(source, key)) { target[key] = source[key]; } } } return target; };

function _defineProperty(obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }

/**
 * Fetch error handler
 */
var errorHandler = exports.errorHandler = function errorHandler(error) {
  if (error.details && error.details.errors) {
    // transform errors to lower-case
    var errors = Object.keys(error.details.errors).reduce(function (memo, key) {
      return Object.assign(memo, _defineProperty({}, key.toLowerCase(), error.details.errors[key].toLowerCase().replace(/_/g, '-')));
    }, {});
    throw errors;
  }
  var unknown = _extends({}, error, { api: 'unknown' });

  if (error.errorType === 'UNKNOWN') {
    throw unknown;
  }
  if (!error.response) {
    var unreachable = { api: 'unreachable' };
    throw unreachable;
  }

  throw unknown;
};

/**
 * Fetch response handler
 */
var responseHandler = exports.responseHandler = function responseHandler(response) {
  var headers = response.headers;

  var contentType = headers.get('content-type');
  if (contentType && contentType.includes('application/json')) {
    if (response.status >= 200 && response.status < 300) {
      return response.json();
    }
    return response.json().then(errorHandler);
  } else {
    if (response.status >= 200 && response.status < 300) {
      return response.text();
    }
    return response.text().then(errorHandler);
  }
};