frest/dist/frest.cjs.js

REST client for browser with Fetch

'use strict';

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

function _interopDefault (ex) { return (ex && (typeof ex === 'object') && 'default' in ex) ? ex['default'] : ex; }

var qs = _interopDefault(require('querystringify'));

var toString = Object.prototype.toString;
/**
 * Remove multiple occurrence of **forward** slash in a string.
 * This doesn't remove leading and/or trailing slash.
 *
 * e.g. "http://example.com/a//b/" -> "http://example.com/a/b/"
 *
 * @public
 * @param input The string to clean.
 * @returns The `input` string without multiple occurrence of forward slash.
 */

var trimSlashes = function trimSlashes(input) {
  return input.toString().replace(/([^:]\/)\/+/g, '$1');
};
/**
 * Utility function to parse a query object into string.
 *
 * @remarks
 * This will only do simple and dumb stringify according to `querystringify`
 * package. If you want more control use the package directly instead.
 *
 * @public
 * @param query The query to parse. It can be object/string
 * @returns Parsed query string
 */

var parseQuery = function parseQuery(query) {
  var q = query || '';

  if (typeof q === 'object') {
    q = qs.stringify(q, '?');
  } else if (q !== '') {
    q = q.charAt(0) === '?' ? q : "?" + q;
  }

  return q;
};
/**
 * A TypeScript utility to determine if a potential error is an instance of
 * `FrestError`.
 *
 * @public
 * @param e A potential error to check
 * @returns true if `e` is an instance of `FrestError`. TypeScript will then provide
 * completions of `FrestError` instance type.
 */

var isFrestError = function isFrestError(e) {
  return e.frest != null && e.request != null;
};
/**
 * Determine if an object is a Buffer.
 * @remarks
 * Taken from `is-buffer` package by Feross Aboukhadijeh <https://feross.org>,
 * licensed under MIT and copied here to provide typings for Frest and
 * its users.
 *
 * {@link https://github.com/feross/is-buffer}
 *
 * @public
 * @param val Value to test.
 * @returns true if it's a Buffer.
 */

var isBuffer = function isBuffer(val) {
  return val != null && val.constructor != null && typeof val.constructor.isBuffer === 'function' && val.constructor.isBuffer(val);
};
/**
 * Determine if a value is an ArrayBuffer
 *
 * @param val The value to test
 * @returns True if value is an ArrayBuffer, otherwise false
 */

var isArrayBuffer = function isArrayBuffer(val) {
  return toString.call(val) === '[object ArrayBuffer]';
};
/**
 * Determine if a value is a FormData
 *
 * @param val The value to test
 * @returns True if value is an FormData, otherwise false
 */

var isFormData = function isFormData(val) {
  return typeof FormData !== 'undefined' && val instanceof FormData;
};
/**
 * Determine if a value is a view on an ArrayBuffer
 *
 * @param val The value to test
 * @returns True if value is a view on an ArrayBuffer, otherwise false
 */

var isArrayBufferView = function isArrayBufferView(val) {
  var result;

  if (typeof ArrayBuffer !== 'undefined' && ArrayBuffer.isView) {
    result = ArrayBuffer.isView(val);
  } else {
    result = val && val.buffer && val.buffer instanceof ArrayBuffer;
  }

  return result;
}; // These utilities below are all taken from axios' source authored by
// Matt Zabriskie under MIT License.

/**
 * Determine if a value is an Object
 *
 * @param val The value to test
 * @returns True if value is an Object, otherwise false
 */

var isObject = function isObject(val) {
  return val !== null && typeof val === 'object';
};
/**
 * Determine if a value is a File
 *
 * @param val The value to test
 * @returns True if value is a File, otherwise false
 */

var isFile = function isFile(val) {
  return toString.call(val) === '[object File]';
};
/**
 * Determine if a value is a Blob
 *
 * @param val The value to test
 * @returns True if value is a Blob, otherwise false
 */

var isBlob = function isBlob(val) {
  return toString.call(val) === '[object Blob]';
};
/**
 * Determine if a value is a Function
 *
 * @param val The value to test
 * @returns True if value is a Function, otherwise false
 */

var isFunction = function isFunction(val) {
  return toString.call(val) === '[object Function]';
};
/**
 * Determine if a value is a Stream
 *
 * @param val The value to test
 * @returns True if value is a Stream, otherwise false
 */

var isStream = function isStream(val) {
  return isObject(val) && isFunction(val.pipe);
};
/**
 * Determine if a value is a URLSearchParams object
 *
 * @param val The value to test
 * @returns True if value is a URLSearchParams object, otherwise false
 */

var isURLSearchParams = function isURLSearchParams(val) {
  return typeof URLSearchParams !== 'undefined' && val instanceof URLSearchParams;
};

var utils = /*#__PURE__*/Object.freeze({
  __proto__: null,
  trimSlashes: trimSlashes,
  parseQuery: parseQuery,
  isFrestError: isFrestError,
  isBuffer: isBuffer,
  isArrayBuffer: isArrayBuffer,
  isFormData: isFormData,
  isArrayBufferView: isArrayBufferView,
  isObject: isObject,
  isFile: isFile,
  isBlob: isBlob,
  isFunction: isFunction,
  isStream: isStream,
  isURLSearchParams: isURLSearchParams
});

function _defineProperties(target, props) {
  for (var i = 0; i < props.length; i++) {
    var descriptor = props[i];
    descriptor.enumerable = descriptor.enumerable || false;
    descriptor.configurable = true;
    if ("value" in descriptor) descriptor.writable = true;
    Object.defineProperty(target, descriptor.key, descriptor);
  }
}

function _createClass(Constructor, protoProps, staticProps) {
  if (protoProps) _defineProperties(Constructor.prototype, protoProps);
  if (staticProps) _defineProperties(Constructor, staticProps);
  Object.defineProperty(Constructor, "prototype", {
    writable: false
  });
  return Constructor;
}

function _extends() {
  _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;
  };

  return _extends.apply(this, arguments);
}

function _inheritsLoose(subClass, superClass) {
  subClass.prototype = Object.create(superClass.prototype);
  subClass.prototype.constructor = subClass;

  _setPrototypeOf(subClass, superClass);
}

function _getPrototypeOf(o) {
  _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) {
    return o.__proto__ || Object.getPrototypeOf(o);
  };
  return _getPrototypeOf(o);
}

function _setPrototypeOf(o, p) {
  _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) {
    o.__proto__ = p;
    return o;
  };

  return _setPrototypeOf(o, p);
}

function _isNativeReflectConstruct() {
  if (typeof Reflect === "undefined" || !Reflect.construct) return false;
  if (Reflect.construct.sham) return false;
  if (typeof Proxy === "function") return true;

  try {
    Boolean.prototype.valueOf.call(Reflect.construct(Boolean, [], function () {}));
    return true;
  } catch (e) {
    return false;
  }
}

function _construct(Parent, args, Class) {
  if (_isNativeReflectConstruct()) {
    _construct = Reflect.construct;
  } else {
    _construct = function _construct(Parent, args, Class) {
      var a = [null];
      a.push.apply(a, args);
      var Constructor = Function.bind.apply(Parent, a);
      var instance = new Constructor();
      if (Class) _setPrototypeOf(instance, Class.prototype);
      return instance;
    };
  }

  return _construct.apply(null, arguments);
}

function _isNativeFunction(fn) {
  return Function.toString.call(fn).indexOf("[native code]") !== -1;
}

function _wrapNativeSuper(Class) {
  var _cache = typeof Map === "function" ? new Map() : undefined;

  _wrapNativeSuper = function _wrapNativeSuper(Class) {
    if (Class === null || !_isNativeFunction(Class)) return Class;

    if (typeof Class !== "function") {
      throw new TypeError("Super expression must either be null or a function");
    }

    if (typeof _cache !== "undefined") {
      if (_cache.has(Class)) return _cache.get(Class);

      _cache.set(Class, Wrapper);
    }

    function Wrapper() {
      return _construct(Class, arguments, _getPrototypeOf(this).constructor);
    }

    Wrapper.prototype = Object.create(Class.prototype, {
      constructor: {
        value: Wrapper,
        enumerable: false,
        writable: true,
        configurable: true
      }
    });
    return _setPrototypeOf(Wrapper, Class);
  };

  return _wrapNativeSuper(Class);
}

function _objectWithoutPropertiesLoose(source, excluded) {
  if (source == null) return {};
  var target = {};
  var sourceKeys = Object.keys(source);
  var key, i;

  for (i = 0; i < sourceKeys.length; i++) {
    key = sourceKeys[i];
    if (excluded.indexOf(key) >= 0) continue;
    target[key] = source[key];
  }

  return target;
}

/**
 * @module frest
 */

/**
 * FrestError constructor/class signature.
 * @remarks
 * This is only used for UMD build.
 * @public
 */

/**
 * Error representation class when there is any failure during request life-cycle.
 * @public
 */
var FrestError = /*#__PURE__*/function (_Error) {
  _inheritsLoose(FrestError, _Error);

  /* istanbul ignore next */
  function FrestError(message, frest, request, response) {
    var _this;

    _this = _Error.call(this, message) || this;
    _this.frest = frest;
    _this.request = request;
    _this.response = response;
    return _this;
  }

  return FrestError;
}( /*#__PURE__*/_wrapNativeSuper(Error));

/**
 * @module frest
 * @hidden
 */
// These were taken from somewhere, made by someone.
// I adopted it to frest but forgot to put any reference to original source.
// If someone recognized these code and know where the original code came from,
// please raise an issue so that I can put attribution here.
var supportBlob = function supportBlob() {
  return FileReader !== undefined && Blob !== undefined && function () {
    try {
      // tslint:disable-next-line:no-unused-expression
      new Blob();
      return true;
    } catch (error) {
      return false;
    }
  }();
};

function parseHeaders(rawHeaders) {
  var headers = new Headers(); // Replace instances of \r\n and \n followed by at least one space
  // or horizontal tab with a space
  // https://tools.ietf.org/html/rfc7230#section-3.2

  var preProcessedHeaders = rawHeaders.replace(/\r?\n[\t ]+/g, ' ');
  preProcessedHeaders.split(/\r?\n/).forEach(function (line) {
    var parts = line.split(':');
    var key = parts.shift().trim();

    if (key) {
      var value = parts.join(':').trim();
      headers.append(key, value);
    }
  });
  return headers;
}

function xhrFetch(url, conf) {
  return new Promise(function (resolve, reject) {
    // const request = new Request(url, conf);
    var xhr = new XMLHttpRequest();

    xhr.onload = function () {
      var options = {
        headers: parseHeaders(xhr.getAllResponseHeaders() || ''),
        status: xhr.status,
        statusText: xhr.statusText
      };
      options.url = 'responseURL' in xhr ? xhr.responseURL : options.headers.get('X-Request-URL');
      var body = !conf.responseType || conf.responseType === 'text' ? xhr.responseText : xhr.response;
      resolve(new Response(body, options));
    };

    xhr.onerror = function () {
      reject(new TypeError('Network request failed'));
    };

    xhr.ontimeout = function () {
      reject(new TypeError('Network request failed'));
    };

    if (xhr.upload && conf.onUploadProgress) {
      xhr.upload.onprogress = conf.onUploadProgress;
    }

    if (conf.onDownloadProgress) {
      xhr.onprogress = conf.onDownloadProgress;
    }

    xhr.open(conf.method, url, true);

    if (conf.credentials === 'include') {
      xhr.withCredentials = true;
    }

    xhr.responseType = conf.responseType || 'text';

    if (conf.action === 'download') {
      if (!conf.responseType && supportBlob()) {
        xhr.responseType = 'blob';
      }
    }

    conf.headers.forEach(function (value, name) {
      xhr.setRequestHeader(name, value);
    });
    xhr.send(conf.body);
  });
}

var InterceptorManager = /*#__PURE__*/function () {
  function InterceptorManager() {
    this._int = [];
  }

  var _proto = InterceptorManager.prototype;

  _proto.use = function use(handler) {
    this._int.push(handler);

    return this._int.length - 1;
  };

  _proto.eject = function eject(id) {
    this._int.splice(id, 1);
  };

  _createClass(InterceptorManager, [{
    key: "handlers",
    get: function get() {
      return this._int;
    }
  }]);

  return InterceptorManager;
}();

var _excluded = ["fetch", "base", "method", "headers"];
var methodsNoData = ['get', 'delete', 'options', 'download'];
var methodsData = ['post', 'put', 'patch', 'upload'];

var setCt = function setCt(headers, value) {
  if (!headers.has('Content-Type')) {
    headers.set('Content-Type', value);
  }
};

var json = function json(raw) {
  var ct = raw.headers.get('Content-Type');

  if (ct && ct.indexOf('application/json') >= 0) {
    return raw.clone().json().catch(function (_) {
      return raw.body;
    });
  }

  return raw.body;
};

var req = function req(_ref, data) {
  var headers = _ref.headers;

  if (isFormData(data) || isArrayBuffer(data) || isBuffer(data) || isStream(data) || isFile(data) || isBlob(data)) {
    return data;
  }

  if (isArrayBufferView(data)) {
    return data.buffer;
  }

  if (isURLSearchParams(data)) {
    setCt(headers, 'application/x-www-form-urlencoded;charset=utf-8');
    return data.toString();
  }

  if (isObject(data)) {
    setCt(headers, 'application/json;charset=utf-8');
    return JSON.stringify(data);
  }

  return data;
};

var resp = function resp(raw, // tslint:disable-next-line:no-object-literal-type-assertion
data) {
  if (data === void 0) {
    data = {};
  }

  return {
    raw: raw,
    data: data,
    headers: raw.headers,
    ok: raw.ok,
    redirected: raw.redirected,
    status: raw.status,
    statusText: raw.statusText,
    trailer: raw.trailer,
    type: raw.type,
    url: raw.url
  };
};

var checkInt = function checkInt(ret, type) {
  if (!ret) {
    var w = type === 'request' ? type + " config" : type;
    throw new Error("one of interceptor didn't return " + w);
  }
};
/**
 * Default configuration if Frest instance is created without any configuration.
 * @public
 */


var DEFAULT_CONFIG = {
  base: '',
  fetch: fetch,
  headers: {
    common: new Headers({
      Accept: 'application/json, text/plain, */*'
    }),
    post: new Headers(),
    get: new Headers(),
    put: new Headers(),
    delete: new Headers(),
    patch: new Headers(),
    options: new Headers()
  },
  method: 'GET',
  transformResponse: [json],
  transformRequest: [req]
};
/**
 * Frest constructor/class signature.
 * @remarks
 * This is only used for UMD build.
 * @public
 */

/**
 * The main Frest class.
 * @public
 */
var Frest = /*#__PURE__*/function () {
  /**
   * Creates an instance of Frest.
   * @param config - Configuration for this instance.
   * Can be string or array of string (in which it'll be the `base` URL for
   * every requests), or a {@link Config} object. Defaults to `DEFAULT_CONFIG`
   */
  function Frest(config) {
    var _this = this;

    this.config = void 0;
    this.interceptors = {
      request: new InterceptorManager(),
      response: new InterceptorManager(),
      error: new InterceptorManager()
    };

    this.req = function (request) {
      var fetchFn;

      try {
        fetchFn = _this.getFetch(request);
      } catch (error) {
        return Promise.reject(error);
      }

      var fullPath = _this.parsePath(request.path, request.query);

      return fetchFn(fullPath, request).then(function (raw) {
        return {
          request: request,
          raw: raw
        };
      });
    };

    this.after = function (afterFetch) {
      var raw = afterFetch.raw,
          request = afterFetch.request;
      var dataPromise = Promise.resolve({});

      var _loop = function _loop(i) {
        dataPromise = dataPromise.then(function (data) {
          return request.transformResponse[i](raw, data);
        });
      };

      for (var i = 0; i < request.transformResponse.length; i++) {
        _loop(i);
      }

      if (!raw.ok) {
        return dataPromise.then(function (data) {
          return Promise.reject(new FrestError("Non OK HTTP response status: " + raw.status + " - " + raw.statusText, _this, request, resp(raw, data)));
        });
      }

      var responsePromise = dataPromise.then(function (data) {
        return resp(raw, data);
      });

      var _loop2 = function _loop2(_i) {
        responsePromise = responsePromise.then(function (response) {
          checkInt(response, 'response');
          return _this.interceptors.response.handlers[_i]({
            frest: _this,
            request: request,
            response: response
          });
        });
      };

      for (var _i = 0; _i < _this.interceptors.response.handlers.length; _i++) {
        _loop2(_i);
      }

      return responsePromise.then(function (r) {
        checkInt(r, 'response');
        return r;
      }).catch(function (e) {
        var cause = typeof e === 'string' ? e : e.message ? e.message : e;
        return Promise.reject(new FrestError("Error in response transform/interceptor: " + cause, _this, request, resp(raw)));
      });
    };

    this.onError = function (request) {
      return function (e) {
        var err = _this.toFrestError(e, request);

        if (_this.interceptors.error.handlers.length === 0) {
          return Promise.reject(err);
        }

        return new Promise(function (resolve, reject) {
          var promise = Promise.resolve(null);
          var recovery = null;

          var _loop3 = function _loop3(i) {
            if (recovery != null) {
              return "break";
            }

            promise = promise // eslint-disable-next-line no-loop-func
            .then(function (rec) {
              if (rec != null) {
                recovery = rec;
                return rec;
              }

              return _this.interceptors.error.handlers[i](err);
            }) // eslint-disable-next-line no-loop-func
            .catch(function (ee) {
              err = _this.toFrestError(ee, request);
              return null;
            });
          };

          for (var i = 0; i < _this.interceptors.error.handlers.length; i++) {
            var _ret = _loop3(i);

            if (_ret === "break") break;
          }

          promise.then(function (res) {
            if (res) {
              resolve(res);
            } else {
              reject(err);
            }
          });
        });
      };
    };

    if (config && typeof config === 'string') {
      this.config = _extends({}, DEFAULT_CONFIG, {
        base: config
      });
    } else if (config && typeof config === 'object') {
      var headers = _extends({}, DEFAULT_CONFIG.headers, config.headers);

      this.config = _extends({}, DEFAULT_CONFIG, config, {
        headers: headers
      });
    } else {
      this.config = _extends({}, DEFAULT_CONFIG);
    }

    this.config.base = trimSlashes(this.config.base);
  }
  /**
   * Get base URL used in this instance.
   */


  var _proto = Frest.prototype;

  _proto.create = function create(config) {
    return new Frest(config);
  }
  /**
   * Merge this instance config with the one provided here.
   * @param config - Configuration to be merged into this instance's configuration.
   */
  ;

  _proto.mergeConfig = function mergeConfig(config) {
    var headers = _extends({}, this.config.headers, config.headers);

    this.config = _extends({}, this.config, config, {
      headers: headers
    });
  }
  /**
   * Get `fetch` function used in this instance.
   * @remarks
   * This can be the native `fetch` API or any function with similar signature.
   */
  ;

  /**
   * Get full URL from the provided path and query object/string.
   * @remarks
   * This will use the instance's `base` URL configuration and construct full
   * URL to the provided arguments.
   *
   * @param path - Endpoint path
   * @param query - query object/string to include
   * @returns Full URL to the provided arguments.
   */
  _proto.parsePath = function parsePath(path, query) {
    var paths = path ? path instanceof Array ? path : [path] : [''];
    query = this.parseQuery(query);
    return trimSlashes(this.config.base + "/" + paths.map(encodeURI).join('/') + query);
  }
  /**
   * Utility function to parse a query object into string.
   *
   * @remarks
   * This is a shortcut to the `utils.parseQuery` function.
   *
   * @param query - The query to parse. It can be object/string
   * @returns Parsed query string
   */
  ;

  _proto.parseQuery = function parseQuery$1(query) {
    return parseQuery(query);
  }
  /**
   * Make a request to an endpoint.
   *
   * @template T - The type of response's body, if any. Defaults to `any`.
   * @param init - A string, string array, or request configuration object.
   * @param request - request configuration if the first arg is string
   * or string array
   * @returns Response promise which will be resolved when the request is successful.
   * The promise will throws in case of error in any request life-cycle.
   */
  ;

  _proto.request = function (_request) {
    function request(_x) {
      return _request.apply(this, arguments);
    }

    request.toString = function () {
      return _request.toString();
    };

    return request;
  }(function (init, request) {
    if (request === void 0) {
      request = {};
    }

    var conf = _extends({
      action: 'request',
      method: this.config.method
    }, this.requestConfig(init, request));

    return this.internalRequest(_extends({}, conf, {
      headers: this.headers(conf)
    }));
  });

  _proto.internalRequest = function internalRequest(request) {
    return this.before(request).then(this.req).then(this.after).catch(this.onError(request));
  };

  _proto.requestConfig = function requestConfig(init, request) {
    var _this$config = this.config,
        fetch = _this$config.fetch,
        base = _this$config.base,
        method = _this$config.method,
        headers = _this$config.headers,
        rest = _objectWithoutPropertiesLoose(_this$config, _excluded);

    if (typeof init === 'string' || init instanceof Array) {
      return _extends({
        path: init
      }, rest, request);
    }

    return _extends({
      path: ''
    }, rest, init);
  };

  _proto.headers = function headers(request) {
    var method = request.method.toLowerCase();
    var headers = new Headers(this.config.headers.common);
    this.config.headers[method].forEach(function (v, k) {
      headers.set(k, v);
    });

    if (request.headers) {
      request.headers.forEach(function (v, k) {
        headers.set(k, v);
      });
    }

    return headers;
  };

  _proto.getFetch = function getFetch(request) {
    if (request.action === 'upload' || request.action === 'download') {
      return xhrFetch;
    }

    if (typeof request.fetch === 'function') {
      return request.fetch;
    } else if (typeof this.config.fetch === 'function') {
      return this.config.fetch;
    }

    throw new FrestError('Fetch API is not available in this browser', this, request);
  };

  _proto.before = function before(request) {
    var _this2 = this;

    return new Promise(function (resolve, reject) {
      var dataPromise = Promise.resolve(request.body);

      var _loop4 = function _loop4(i) {
        if (methodsData.indexOf(request.method.toLowerCase()) >= 0) {
          dataPromise = dataPromise.then(function (data) {
            return request.transformRequest[i](request, data);
          });
        }
      };

      for (var i = 0; i < request.transformRequest.length; i++) {
        _loop4(i);
      }

      var requestPromise = dataPromise.then(function (body) {
        request.body = body;
        return request;
      });

      var _loop5 = function _loop5(_i2) {
        requestPromise = requestPromise.then(function (requestConfig) {
          checkInt(requestConfig, 'request');
          return _this2.interceptors.request.handlers[_i2]({
            frest: _this2,
            request: requestConfig
          });
        });
      };

      for (var _i2 = 0; _i2 < _this2.interceptors.request.handlers.length; _i2++) {
        _loop5(_i2);
      }

      requestPromise.then(function (requestConfig) {
        checkInt(requestConfig, 'request');
        resolve(requestConfig);
      }).catch(function (e) {
        var cause = typeof e === 'string' ? e : e.message ? e.message : e;
        reject(new FrestError("Error in request transform/interceptor: " + cause, _this2, request));
      });
    });
  };

  _proto.toFrestError = function toFrestError(e, requestConfig) {
    return isFrestError(e) ? new FrestError(e.message, this, requestConfig, e.response) : e;
  };

  _createClass(Frest, [{
    key: "base",
    get: function get() {
      return this.config.base;
    }
  }, {
    key: "fetchFn",
    get: function get() {
      return this.config.fetch;
    }
  }]);

  return Frest;
}();

var _loop6 = function _loop6(i) {
  var method = methodsNoData[i];
  var meth = method === 'download' ? 'GET' : method.toUpperCase();

  Frest.prototype[method] = function (init, request) {
    if (request === void 0) {
      request = {};
    }

    var conf = _extends({
      action: method,
      method: meth
    }, this.requestConfig(init, request));

    return this.internalRequest(_extends({}, conf, {
      headers: this.headers(conf)
    }));
  };
};

for (var i = 0; i < methodsNoData.length; i++) {
  _loop6(i);
}

var _loop7 = function _loop7(_i3) {
  var method = methodsData[_i3];
  var meth = method === 'upload' ? 'POST' : method.toUpperCase();

  Frest.prototype[method] = function (init, body, request) {
    if (request === void 0) {
      request = {};
    }

    var conf = _extends({
      action: method,
      method: meth
    }, this.requestConfig(init, request));

    return this.internalRequest(_extends({
      body: body
    }, conf, {
      headers: this.headers(conf)
    }));
  };
};

for (var _i3 = 0; _i3 < methodsData.length; _i3++) {
  _loop7(_i3);
}

/**
 * @module frest
 * @preferred
 *
 * Main frest module.
 */
var xhrFetch$1 = xhrFetch;
var frest = new Frest();

exports.DEFAULT_CONFIG = DEFAULT_CONFIG;
exports.Frest = Frest;
exports.FrestError = FrestError;
exports.default = frest;
exports.utils = utils;
exports.xhrFetch = xhrFetch$1;