// Axios v1.1.3 Copyright (c) 2022 Matt Zabriskie and contributors
(function (global, factory) {
    typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() :
        typeof define === 'function' && define.amd ? define(factory) :
            (global = typeof globalThis !== 'undefined' ? globalThis : global || self, global.axios = factory());
})(this, (function () {
    'use strict';

    function _typeof(obj) {
        "@babel/helpers - typeof";

        return _typeof = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ? function (obj) {
            return typeof obj;
        } : function (obj) {
            return obj && "function" == typeof Symbol && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj;
        }, _typeof(obj);
    }
    function _classCallCheck(instance, Constructor) {
        if (!(instance instanceof Constructor)) {
            throw new TypeError("Cannot call a class as a function");
        }
    }
    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 bind(fn, thisArg) {
        return function wrap() {
            return fn.apply(thisArg, arguments);
        };
    }

    // utils is a library of generic helper functions non-specific to axios

    var toString = Object.prototype.toString;
    var getPrototypeOf = Object.getPrototypeOf;
    var kindOf = function (cache) {
        return function (thing) {
            var str = toString.call(thing);
            return cache[str] || (cache[str] = str.slice(8, -1).toLowerCase());
        };
    }(Object.create(null));
    var kindOfTest = function kindOfTest(type) {
        type = type.toLowerCase();
        return function (thing) {
            return kindOf(thing) === type;
        };
    };
    var typeOfTest = function typeOfTest(type) {
        return function (thing) {
            return _typeof(thing) === type;
        };
    };

    /**
     * Determine if a value is an Array
     *
     * @param {Object} val The value to test
     *
     * @returns {boolean} True if value is an Array, otherwise false
     */
    var isArray = Array.isArray;

    /**
     * Determine if a value is undefined
     *
     * @param {*} val The value to test
     *
     * @returns {boolean} True if the value is undefined, otherwise false
     */
    var isUndefined = typeOfTest('undefined');

    /**
     * Determine if a value is a Buffer
     *
     * @param {*} val The value to test
     *
     * @returns {boolean} True if value is a Buffer, otherwise false
     */
    function isBuffer(val) {
        return val !== null && !isUndefined(val) && val.constructor !== null && !isUndefined(val.constructor) && isFunction(val.constructor.isBuffer) && val.constructor.isBuffer(val);
    }

    /**
     * Determine if a value is an ArrayBuffer
     *
     * @param {*} val The value to test
     *
     * @returns {boolean} True if value is an ArrayBuffer, otherwise false
     */
    var isArrayBuffer = kindOfTest('ArrayBuffer');

    /**
     * Determine if a value is a view on an ArrayBuffer
     *
     * @param {*} val The value to test
     *
     * @returns {boolean} True if value is a view on an ArrayBuffer, otherwise false
     */
    function isArrayBufferView(val) {
        var result;
        if (typeof ArrayBuffer !== 'undefined' && ArrayBuffer.isView) {
            result = ArrayBuffer.isView(val);
        } else {
            result = val && val.buffer && isArrayBuffer(val.buffer);
        }
        return result;
    }

    /**
     * Determine if a value is a String
     *
     * @param {*} val The value to test
     *
     * @returns {boolean} True if value is a String, otherwise false
     */
    var isString = typeOfTest('string');

    /**
     * Determine if a value is a Function
     *
     * @param {*} val The value to test
     * @returns {boolean} True if value is a Function, otherwise false
     */
    var isFunction = typeOfTest('function');

    /**
     * Determine if a value is a Number
     *
     * @param {*} val The value to test
     *
     * @returns {boolean} True if value is a Number, otherwise false
     */
    var isNumber = typeOfTest('number');

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

    /**
     * Determine if a value is a Boolean
     *
     * @param {*} thing The value to test
     * @returns {boolean} True if value is a Boolean, otherwise false
     */
    var isBoolean = function isBoolean(thing) {
        return thing === true || thing === false;
    };

    /**
     * Determine if a value is a plain Object
     *
     * @param {*} val The value to test
     *
     * @returns {boolean} True if value is a plain Object, otherwise false
     */
    var isPlainObject = function isPlainObject(val) {
        if (kindOf(val) !== 'object') {
            return false;
        }
        var prototype = getPrototypeOf(val);
        return (prototype === null || prototype === Object.prototype || Object.getPrototypeOf(prototype) === null) && !(Symbol.toStringTag in val) && !(Symbol.iterator in val);
    };

    /**
     * Determine if a value is a Date
     *
     * @param {*} val The value to test
     *
     * @returns {boolean} True if value is a Date, otherwise false
     */
    var isDate = kindOfTest('Date');

    /**
     * Determine if a value is a File
     *
     * @param {*} val The value to test
     *
     * @returns {boolean} True if value is a File, otherwise false
     */
    var isFile = kindOfTest('File');

    /**
     * Determine if a value is a Blob
     *
     * @param {*} val The value to test
     *
     * @returns {boolean} True if value is a Blob, otherwise false
     */
    var isBlob = kindOfTest('Blob');

    /**
     * Determine if a value is a FileList
     *
     * @param {*} val The value to test
     *
     * @returns {boolean} True if value is a File, otherwise false
     */
    var isFileList = kindOfTest('FileList');

    /**
     * Determine if a value is a Stream
     *
     * @param {*} val The value to test
     *
     * @returns {boolean} 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 FormData
     *
     * @param {*} thing The value to test
     *
     * @returns {boolean} True if value is an FormData, otherwise false
     */
    var isFormData = function isFormData(thing) {
        var pattern = '[object FormData]';
        return thing && (typeof FormData === 'function' && thing instanceof FormData || toString.call(thing) === pattern || isFunction(thing.toString) && thing.toString() === pattern);
    };

    /**
     * Determine if a value is a URLSearchParams object
     *
     * @param {*} val The value to test
     *
     * @returns {boolean} True if value is a URLSearchParams object, otherwise false
     */
    var isURLSearchParams = kindOfTest('URLSearchParams');

    /**
     * Trim excess whitespace off the beginning and end of a string
     *
     * @param {String} str The String to trim
     *
     * @returns {String} The String freed of excess whitespace
     */
    var trim = function trim(str) {
        return str.trim ? str.trim() : str.replace(/^[\s\uFEFF\xA0]+|[\s\uFEFF\xA0]+$/g, '');
    };

    /**
     * Iterate over an Array or an Object invoking a function for each item.
     *
     * If `obj` is an Array callback will be called passing
     * the value, index, and complete array for each item.
     *
     * If 'obj' is an Object callback will be called passing
     * the value, key, and complete object for each property.
     *
     * @param {Object|Array} obj The object to iterate
     * @param {Function} fn The callback to invoke for each item
     *
     * @param {Boolean} [allOwnKeys = false]
     * @returns {void}
     */
    function forEach(obj, fn) {
        var _ref = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {},
            _ref$allOwnKeys = _ref.allOwnKeys,
            allOwnKeys = _ref$allOwnKeys === void 0 ? false : _ref$allOwnKeys;
        // Don't bother if no value provided
        if (obj === null || typeof obj === 'undefined') {
            return;
        }
        var i;
        var l;

        // Force an array if not already something iterable
        if (_typeof(obj) !== 'object') {
            /*eslint no-param-reassign:0*/
            obj = [obj];
        }
        if (isArray(obj)) {
            // Iterate over array values
            for (i = 0, l = obj.length; i < l; i++) {
                fn.call(null, obj[i], i, obj);
            }
        } else {
            // Iterate over object keys
            var keys = allOwnKeys ? Object.getOwnPropertyNames(obj) : Object.keys(obj);
            var len = keys.length;
            var key;
            for (i = 0; i < len; i++) {
                key = keys[i];
                fn.call(null, obj[key], key, obj);
            }
        }
    }

    /**
     * Accepts varargs expecting each argument to be an object, then
     * immutably merges the properties of each object and returns result.
     *
     * When multiple objects contain the same key the later object in
     * the arguments list will take precedence.
     *
     * Example:
     *
     * ```js
     * var result = merge({foo: 123}, {foo: 456});
     * console.log(result.foo); // outputs 456
     * ```
     *
     * @param {Object} obj1 Object to merge
     *
     * @returns {Object} Result of all merge properties
     */
    function /* obj1, obj2, obj3, ... */
        merge() {
        var result = {};
        var assignValue = function assignValue(val, key) {
            if (isPlainObject(result[key]) && isPlainObject(val)) {
                result[key] = merge(result[key], val);
            } else if (isPlainObject(val)) {
                result[key] = merge({}, val);
            } else if (isArray(val)) {
                result[key] = val.slice();
            } else {
                result[key] = val;
            }
        };
        for (var i = 0, l = arguments.length; i < l; i++) {
            arguments[i] && forEach(arguments[i], assignValue);
        }
        return result;
    }

    /**
     * Extends object a by mutably adding to it the properties of object b.
     *
     * @param {Object} a The object to be extended
     * @param {Object} b The object to copy properties from
     * @param {Object} thisArg The object to bind function to
     *
     * @param {Boolean} [allOwnKeys]
     * @returns {Object} The resulting value of object a
     */
    var extend = function extend(a, b, thisArg) {
        var _ref2 = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : {},
            allOwnKeys = _ref2.allOwnKeys;
        forEach(b, function (val, key) {
            if (thisArg && isFunction(val)) {
                a[key] = bind(val, thisArg);
            } else {
                a[key] = val;
            }
        }, {
            allOwnKeys: allOwnKeys
        });
        return a;
    };

    /**
     * Remove byte order marker. This catches EF BB BF (the UTF-8 BOM)
     *
     * @param {string} content with BOM
     *
     * @returns {string} content value without BOM
     */
    var stripBOM = function stripBOM(content) {
        if (content.charCodeAt(0) === 0xFEFF) {
            content = content.slice(1);
        }
        return content;
    };

    /**
     * Inherit the prototype methods from one constructor into another
     * @param {function} constructor
     * @param {function} superConstructor
     * @param {object} [props]
     * @param {object} [descriptors]
     *
     * @returns {void}
     */
    var inherits = function inherits(constructor, superConstructor, props, descriptors) {
        constructor.prototype = Object.create(superConstructor.prototype, descriptors);
        constructor.prototype.constructor = constructor;
        Object.defineProperty(constructor, 'super', {
            value: superConstructor.prototype
        });
        props && Object.assign(constructor.prototype, props);
    };

    /**
     * Resolve object with deep prototype chain to a flat object
     * @param {Object} sourceObj source object
     * @param {Object} [destObj]
     * @param {Function|Boolean} [filter]
     * @param {Function} [propFilter]
     *
     * @returns {Object}
     */
    var toFlatObject = function toFlatObject(sourceObj, destObj, filter, propFilter) {
        var props;
        var i;
        var prop;
        var merged = {};
        destObj = destObj || {};
        // eslint-disable-next-line no-eq-null,eqeqeq
        if (sourceObj == null) return destObj;
        do {
            props = Object.getOwnPropertyNames(sourceObj);
            i = props.length;
            while (i-- > 0) {
                prop = props[i];
                if ((!propFilter || propFilter(prop, sourceObj, destObj)) && !merged[prop]) {
                    destObj[prop] = sourceObj[prop];
                    merged[prop] = true;
                }
            }
            sourceObj = filter !== false && getPrototypeOf(sourceObj);
        } while (sourceObj && (!filter || filter(sourceObj, destObj)) && sourceObj !== Object.prototype);
        return destObj;
    };

    /**
     * Determines whether a string ends with the characters of a specified string
     *
     * @param {String} str
     * @param {String} searchString
     * @param {Number} [position= 0]
     *
     * @returns {boolean}
     */
    var endsWith = function endsWith(str, searchString, position) {
        str = String(str);
        if (position === undefined || position > str.length) {
            position = str.length;
        }
        position -= searchString.length;
        var lastIndex = str.indexOf(searchString, position);
        return lastIndex !== -1 && lastIndex === position;
    };

    /**
     * Returns new array from array like object or null if failed
     *
     * @param {*} [thing]
     *
     * @returns {?Array}
     */
    var toArray = function toArray(thing) {
        if (!thing) return null;
        if (isArray(thing)) return thing;
        var i = thing.length;
        if (!isNumber(i)) return null;
        var arr = new Array(i);
        while (i-- > 0) {
            arr[i] = thing[i];
        }
        return arr;
    };

    /**
     * Checking if the Uint8Array exists and if it does, it returns a function that checks if the
     * thing passed in is an instance of Uint8Array
     *
     * @param {TypedArray}
     *
     * @returns {Array}
     */
    // eslint-disable-next-line func-names
    var isTypedArray = function (TypedArray) {
        // eslint-disable-next-line func-names
        return function (thing) {
            return TypedArray && thing instanceof TypedArray;
        };
    }(typeof Uint8Array !== 'undefined' && getPrototypeOf(Uint8Array));

    /**
     * For each entry in the object, call the function with the key and value.
     *
     * @param {Object<any, any>} obj - The object to iterate over.
     * @param {Function} fn - The function to call for each entry.
     *
     * @returns {void}
     */
    var forEachEntry = function forEachEntry(obj, fn) {
        var generator = obj && obj[Symbol.iterator];
        var iterator = generator.call(obj);
        var result;
        while ((result = iterator.next()) && !result.done) {
            var pair = result.value;
            fn.call(obj, pair[0], pair[1]);
        }
    };

    /**
     * It takes a regular expression and a string, and returns an array of all the matches
     *
     * @param {string} regExp - The regular expression to match against.
     * @param {string} str - The string to search.
     *
     * @returns {Array<boolean>}
     */
    var matchAll = function matchAll(regExp, str) {
        var matches;
        var arr = [];
        while ((matches = regExp.exec(str)) !== null) {
            arr.push(matches);
        }
        return arr;
    };

    /* Checking if the kindOfTest function returns true when passed an HTMLFormElement. */
    var isHTMLForm = kindOfTest('HTMLFormElement');
    var toCamelCase = function toCamelCase(str) {
        return str.toLowerCase().replace(/[_-\s]([a-z\d])(\w*)/g, function replacer(m, p1, p2) {
            return p1.toUpperCase() + p2;
        });
    };

    /* Creating a function that will check if an object has a property. */
    var hasOwnProperty = function (_ref3) {
        var hasOwnProperty = _ref3.hasOwnProperty;
        return function (obj, prop) {
            return hasOwnProperty.call(obj, prop);
        };
    }(Object.prototype);

    /**
     * Determine if a value is a RegExp object
     *
     * @param {*} val The value to test
     *
     * @returns {boolean} True if value is a RegExp object, otherwise false
     */
    var isRegExp = kindOfTest('RegExp');
    var reduceDescriptors = function reduceDescriptors(obj, reducer) {
        var descriptors = Object.getOwnPropertyDescriptors(obj);
        var reducedDescriptors = {};
        forEach(descriptors, function (descriptor, name) {
            if (reducer(descriptor, name, obj) !== false) {
                reducedDescriptors[name] = descriptor;
            }
        });
        Object.defineProperties(obj, reducedDescriptors);
    };

    /**
     * Makes all methods read-only
     * @param {Object} obj
     */

    var freezeMethods = function freezeMethods(obj) {
        reduceDescriptors(obj, function (descriptor, name) {
            var value = obj[name];
            if (!isFunction(value)) return;
            descriptor.enumerable = false;
            if ('writable' in descriptor) {
                descriptor.writable = false;
                return;
            }
            if (!descriptor.set) {
                descriptor.set = function () {
                    throw Error('Can not read-only method \'' + name + '\'');
                };
            }
        });
    };
    var toObjectSet = function toObjectSet(arrayOrString, delimiter) {
        var obj = {};
        var define = function define(arr) {
            arr.forEach(function (value) {
                obj[value] = true;
            });
        };
        isArray(arrayOrString) ? define(arrayOrString) : define(String(arrayOrString).split(delimiter));
        return obj;
    };
    var noop = function noop() { };
    var toFiniteNumber = function toFiniteNumber(value, defaultValue) {
        value = +value;
        return Number.isFinite(value) ? value : defaultValue;
    };
    var utils = {
        isArray: isArray,
        isArrayBuffer: isArrayBuffer,
        isBuffer: isBuffer,
        isFormData: isFormData,
        isArrayBufferView: isArrayBufferView,
        isString: isString,
        isNumber: isNumber,
        isBoolean: isBoolean,
        isObject: isObject,
        isPlainObject: isPlainObject,
        isUndefined: isUndefined,
        isDate: isDate,
        isFile: isFile,
        isBlob: isBlob,
        isRegExp: isRegExp,
        isFunction: isFunction,
        isStream: isStream,
        isURLSearchParams: isURLSearchParams,
        isTypedArray: isTypedArray,
        isFileList: isFileList,
        forEach: forEach,
        merge: merge,
        extend: extend,
        trim: trim,
        stripBOM: stripBOM,
        inherits: inherits,
        toFlatObject: toFlatObject,
        kindOf: kindOf,
        kindOfTest: kindOfTest,
        endsWith: endsWith,
        toArray: toArray,
        forEachEntry: forEachEntry,
        matchAll: matchAll,
        isHTMLForm: isHTMLForm,
        hasOwnProperty: hasOwnProperty,
        hasOwnProp: hasOwnProperty,
        // an alias to avoid ESLint no-prototype-builtins detection
        reduceDescriptors: reduceDescriptors,
        freezeMethods: freezeMethods,
        toObjectSet: toObjectSet,
        toCamelCase: toCamelCase,
        noop: noop,
        toFiniteNumber: toFiniteNumber
    };

    /**
     * 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.
     */
    function AxiosError(message, code, config, request, response) {
        Error.call(this);
        if (Error.captureStackTrace) {
            Error.captureStackTrace(this, this.constructor);
        } else {
            this.stack = new Error().stack;
        }
        this.message = message;
        this.name = 'AxiosError';
        code && (this.code = code);
        config && (this.config = config);
        request && (this.request = request);
        response && (this.response = response);
    }
    utils.inherits(AxiosError, Error, {
        toJSON: function 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: this.config,
                code: this.code,
                status: this.response && this.response.status ? this.response.status : null
            };
        }
    });
    var prototype$1 = AxiosError.prototype;
    var descriptors = {};
    ['ERR_BAD_OPTION_VALUE', 'ERR_BAD_OPTION', 'ECONNABORTED', 'ETIMEDOUT', 'ERR_NETWORK', 'ERR_FR_TOO_MANY_REDIRECTS', 'ERR_DEPRECATED', 'ERR_BAD_RESPONSE', 'ERR_BAD_REQUEST', 'ERR_CANCELED', 'ERR_NOT_SUPPORT', 'ERR_INVALID_URL'
        // eslint-disable-next-line func-names
    ].forEach(function (code) {
        descriptors[code] = {
            value: code
        };
    });
    Object.defineProperties(AxiosError, descriptors);
    Object.defineProperty(prototype$1, 'isAxiosError', {
        value: true
    });

    // eslint-disable-next-line func-names
    AxiosError.from = function (error, code, config, request, response, customProps) {
        var axiosError = Object.create(prototype$1);
        utils.toFlatObject(error, axiosError, function filter(obj) {
            return obj !== Error.prototype;
        }, function (prop) {
            return prop !== 'isAxiosError';
        });
        AxiosError.call(axiosError, error.message, code, config, request, response);
        axiosError.cause = error;
        axiosError.name = error.name;
        customProps && Object.assign(axiosError, customProps);
        return axiosError;
    };

    /* eslint-env browser */
    var browser = (typeof self === "undefined" ? "undefined" : _typeof(self)) == 'object' ? self.FormData : window.FormData;

    /**
     * Determines if the given thing is a array or js object.
     *
     * @param {string} thing - The object or array to be visited.
     *
     * @returns {boolean}
     */
    function isVisitable(thing) {
        return utils.isPlainObject(thing) || utils.isArray(thing);
    }

    /**
     * It removes the brackets from the end of a string
     *
     * @param {string} key - The key of the parameter.
     *
     * @returns {string} the key without the brackets.
     */
    function removeBrackets(key) {
        return utils.endsWith(key, '[]') ? key.slice(0, -2) : key;
    }

    /**
     * It takes a path, a key, and a boolean, and returns a string
     *
     * @param {string} path - The path to the current key.
     * @param {string} key - The key of the current object being iterated over.
     * @param {string} dots - If true, the key will be rendered with dots instead of brackets.
     *
     * @returns {string} The path to the current key.
     */
    function renderKey(path, key, dots) {
        if (!path) return key;
        return path.concat(key).map(function each(token, i) {
            // eslint-disable-next-line no-param-reassign
            token = removeBrackets(token);
            return !dots && i ? '[' + token + ']' : token;
        }).join(dots ? '.' : '');
    }

    /**
     * If the array is an array and none of its elements are visitable, then it's a flat array.
     *
     * @param {Array<any>} arr - The array to check
     *
     * @returns {boolean}
     */
    function isFlatArray(arr) {
        return utils.isArray(arr) && !arr.some(isVisitable);
    }
    var predicates = utils.toFlatObject(utils, {}, null, function filter(prop) {
        return /^is[A-Z]/.test(prop);
    });

    /**
     * If the thing is a FormData object, return true, otherwise return false.
     *
     * @param {unknown} thing - The thing to check.
     *
     * @returns {boolean}
     */
    function isSpecCompliant(thing) {
        return thing && utils.isFunction(thing.append) && thing[Symbol.toStringTag] === 'FormData' && thing[Symbol.iterator];
    }

    /**
     * Convert a data object to FormData
     *
     * @param {Object} obj
     * @param {?Object} [formData]
     * @param {?Object} [options]
     * @param {Function} [options.visitor]
     * @param {Boolean} [options.metaTokens = true]
     * @param {Boolean} [options.dots = false]
     * @param {?Boolean} [options.indexes = false]
     *
     * @returns {Object}
     **/

    /**
     * It converts an object into a FormData object
     *
     * @param {Object<any, any>} obj - The object to convert to form data.
     * @param {string} formData - The FormData object to append to.
     * @param {Object<string, any>} options
     *
     * @returns
     */
    function toFormData(obj, formData, options) {
        if (!utils.isObject(obj)) {
            throw new TypeError('target must be an object');
        }

        // eslint-disable-next-line no-param-reassign
        formData = formData || new (browser || FormData)();

        // eslint-disable-next-line no-param-reassign
        options = utils.toFlatObject(options, {
            metaTokens: true,
            dots: false,
            indexes: false
        }, false, function defined(option, source) {
            // eslint-disable-next-line no-eq-null,eqeqeq
            return !utils.isUndefined(source[option]);
        });
        var metaTokens = options.metaTokens;
        // eslint-disable-next-line no-use-before-define
        var visitor = options.visitor || defaultVisitor;
        var dots = options.dots;
        var indexes = options.indexes;
        var _Blob = options.Blob || typeof Blob !== 'undefined' && Blob;
        var useBlob = _Blob && isSpecCompliant(formData);
        if (!utils.isFunction(visitor)) {
            throw new TypeError('visitor must be a function');
        }
        function convertValue(value) {
            if (value === null) return '';
            if (utils.isDate(value)) {
                return value.toISOString();
            }
            if (!useBlob && utils.isBlob(value)) {
                throw new AxiosError('Blob is not supported. Use a Buffer instead.');
            }
            if (utils.isArrayBuffer(value) || utils.isTypedArray(value)) {
                return useBlob && typeof Blob === 'function' ? new Blob([value]) : Buffer.from(value);
            }
            return value;
        }

        /**
         * Default visitor.
         *
         * @param {*} value
         * @param {String|Number} key
         * @param {Array<String|Number>} path
         * @this {FormData}
         *
         * @returns {boolean} return true to visit the each prop of the value recursively
         */
        function defaultVisitor(value, key, path) {
            var arr = value;
            if (value && !path && _typeof(value) === 'object') {
                if (utils.endsWith(key, '{}')) {
                    // eslint-disable-next-line no-param-reassign
                    key = metaTokens ? key : key.slice(0, -2);
                    // eslint-disable-next-line no-param-reassign
                    value = JSON.stringify(value);
                } else if (utils.isArray(value) && isFlatArray(value) || utils.isFileList(value) || utils.endsWith(key, '[]') && (arr = utils.toArray(value))) {
                    // eslint-disable-next-line no-param-reassign
                    key = removeBrackets(key);
                    arr.forEach(function each(el, index) {
                        !(utils.isUndefined(el) || el === null) && formData.append(
                            // eslint-disable-next-line no-nested-ternary
                            indexes === true ? renderKey([key], index, dots) : indexes === null ? key : key + '[]', convertValue(el));
                    });
                    return false;
                }
            }
            if (isVisitable(value)) {
                return true;
            }
            formData.append(renderKey(path, key, dots), convertValue(value));
            return false;
        }
        var stack = [];
        var exposedHelpers = Object.assign(predicates, {
            defaultVisitor: defaultVisitor,
            convertValue: convertValue,
            isVisitable: isVisitable
        });
        function build(value, path) {
            if (utils.isUndefined(value)) return;
            if (stack.indexOf(value) !== -1) {
                throw Error('Circular reference detected in ' + path.join('.'));
            }
            stack.push(value);
            utils.forEach(value, function each(el, key) {
                var result = !(utils.isUndefined(el) || el === null) && visitor.call(formData, el, utils.isString(key) ? key.trim() : key, path, exposedHelpers);
                if (result === true) {
                    build(el, path ? path.concat(key) : [key]);
                }
            });
            stack.pop();
        }
        if (!utils.isObject(obj)) {
            throw new TypeError('data must be an object');
        }
        build(obj);
        return formData;
    }

    /**
     * It encodes a string by replacing all characters that are not in the unreserved set with
     * their percent-encoded equivalents
     *
     * @param {string} str - The string to encode.
     *
     * @returns {string} The encoded string.
     */
    function encode$1(str) {
        var charMap = {
            '!': '%21',
            "'": '%27',
            '(': '%28',
            ')': '%29',
            '~': '%7E',
            '%20': '+',
            '%00': '\x00'
        };
        return encodeURIComponent(str).replace(/[!'()~]|%20|%00/g, function replacer(match) {
            return charMap[match];
        });
    }

    /**
     * It takes a params object and converts it to a FormData object
     *
     * @param {Object<string, any>} params - The parameters to be converted to a FormData object.
     * @param {Object<string, any>} options - The options object passed to the Axios constructor.
     *
     * @returns {void}
     */
    function AxiosURLSearchParams(params, options) {
        this._pairs = [];
        params && toFormData(params, this, options);
    }
    var prototype = AxiosURLSearchParams.prototype;
    prototype.append = function append(name, value) {
        this._pairs.push([name, value]);
    };
    prototype.toString = function toString(encoder) {
        var _encode = encoder ? function (value) {
            return encoder.call(this, value, encode$1);
        } : encode$1;
        return this._pairs.map(function each(pair) {
            return _encode(pair[0]) + '=' + _encode(pair[1]);
        }, '').join('&');
    };

    /**
     * It replaces all instances of the characters `:`, `$`, `,`, `+`, `[`, and `]` with their
     * URI encoded counterparts
     *
     * @param {string} val The value to be encoded.
     *
     * @returns {string} The encoded value.
     */
    function encode(val) {
        return encodeURIComponent(val).replace(/%3A/gi, ':').replace(/%24/g, '$').replace(/%2C/gi, ',').replace(/%20/g, '+').replace(/%5B/gi, '[').replace(/%5D/gi, ']');
    }

    /**
     * Build a URL by appending params to the end
     *
     * @param {string} url The base of the url (e.g., http://www.google.com)
     * @param {object} [params] The params to be appended
     * @param {?object} options
     *
     * @returns {string} The formatted url
     */
    function buildURL(url, params, options) {
        /*eslint no-param-reassign:0*/
        if (!params) {
            return url;
        }
        var _encode = options && options.encode || encode;
        var serializeFn = options && options.serialize;
        var serializedParams;
        if (serializeFn) {
            serializedParams = serializeFn(params, options);
        } else {
            serializedParams = utils.isURLSearchParams(params) ? params.toString() : new AxiosURLSearchParams(params, options).toString(_encode);
        }
        if (serializedParams) {
            var hashmarkIndex = url.indexOf("#");
            if (hashmarkIndex !== -1) {
                url = url.slice(0, hashmarkIndex);
            }
            url += (url.indexOf('?') === -1 ? '?' : '&') + serializedParams;
        }
        return url;
    }

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

        /**
         * Add a new interceptor to the stack
         *
         * @param {Function} fulfilled The function to handle `then` for a `Promise`
         * @param {Function} rejected The function to handle `reject` for a `Promise`
         *
         * @return {Number} An ID used to remove interceptor later
         */
        _createClass(InterceptorManager, [{
            key: "use",
            value: function use(fulfilled, rejected, options) {
                this.handlers.push({
                    fulfilled: fulfilled,
                    rejected: rejected,
                    synchronous: options ? options.synchronous : false,
                    runWhen: options ? options.runWhen : null
                });
                return this.handlers.length - 1;
            }

            /**
             * Remove an interceptor from the stack
             *
             * @param {Number} id The ID that was returned by `use`
             *
             * @returns {Boolean} `true` if the interceptor was removed, `false` otherwise
             */
        }, {
            key: "eject",
            value: function eject(id) {
                if (this.handlers[id]) {
                    this.handlers[id] = null;
                }
            }

            /**
             * Clear all interceptors from the stack
             *
             * @returns {void}
             */
        }, {
            key: "clear",
            value: function clear() {
                if (this.handlers) {
                    this.handlers = [];
                }
            }

            /**
             * Iterate over all the registered interceptors
             *
             * This method is particularly useful for skipping over any
             * interceptors that may have become `null` calling `eject`.
             *
             * @param {Function} fn The function to call for each interceptor
             *
             * @returns {void}
             */
        }, {
            key: "forEach",
            value: function forEach(fn) {
                utils.forEach(this.handlers, function forEachHandler(h) {
                    if (h !== null) {
                        fn(h);
                    }
                });
            }
        }]);
        return InterceptorManager;
    }();

    var transitionalDefaults = {
        silentJSONParsing: true,
        forcedJSONParsing: true,
        clarifyTimeoutError: false
    };

    var URLSearchParams$1 = typeof URLSearchParams !== 'undefined' ? URLSearchParams : AxiosURLSearchParams;

    var FormData$1 = FormData;

    /**
     * Determine if we're running in a standard browser environment
     *
     * This allows axios to run in a web worker, and react-native.
     * Both environments support XMLHttpRequest, but not fully standard globals.
     *
     * web workers:
     *  typeof window -> undefined
     *  typeof document -> undefined
     *
     * react-native:
     *  navigator.product -> 'ReactNative'
     * nativescript
     *  navigator.product -> 'NativeScript' or 'NS'
     *
     * @returns {boolean}
     */
    var isStandardBrowserEnv = function () {
        var product;
        if (typeof navigator !== 'undefined' && ((product = navigator.product) === 'ReactNative' || product === 'NativeScript' || product === 'NS')) {
            return false;
        }
        return typeof window !== 'undefined' && typeof document !== 'undefined';
    }();
    var platform = {
        isBrowser: true,
        classes: {
            URLSearchParams: URLSearchParams$1,
            FormData: FormData$1,
            Blob: Blob
        },
        isStandardBrowserEnv: isStandardBrowserEnv,
        protocols: ['http', 'https', 'file', 'blob', 'url', 'data']
    };

    function toURLEncodedForm(data, options) {
        return toFormData(data, new platform.classes.URLSearchParams(), Object.assign({
            visitor: function visitor(value, key, path, helpers) {
                if (platform.isNode && utils.isBuffer(value)) {
                    this.append(key, value.toString('base64'));
                    return false;
                }
                return helpers.defaultVisitor.apply(this, arguments);
            }
        }, options));
    }

    /**
     * It takes a string like `foo[x][y][z]` and returns an array like `['foo', 'x', 'y', 'z']
     *
     * @param {string} name - The name of the property to get.
     *
     * @returns An array of strings.
     */
    function parsePropPath(name) {
        // foo[x][y][z]
        // foo.x.y.z
        // foo-x-y-z
        // foo x y z
        return utils.matchAll(/\w+|\[(\w*)]/g, name).map(function (match) {
            return match[0] === '[]' ? '' : match[1] || match[0];
        });
    }

    /**
     * Convert an array to an object.
     *
     * @param {Array<any>} arr - The array to convert to an object.
     *
     * @returns An object with the same keys and values as the array.
     */
    function arrayToObject(arr) {
        var obj = {};
        var keys = Object.keys(arr);
        var i;
        var len = keys.length;
        var key;
        for (i = 0; i < len; i++) {
            key = keys[i];
            obj[key] = arr[key];
        }
        return obj;
    }

    /**
     * It takes a FormData object and returns a JavaScript object
     *
     * @param {string} formData The FormData object to convert to JSON.
     *
     * @returns {Object<string, any> | null} The converted object.
     */
    function formDataToJSON(formData) {
        function buildPath(path, value, target, index) {
            var name = path[index++];
            var isNumericKey = Number.isFinite(+name);
            var isLast = index >= path.length;
            name = !name && utils.isArray(target) ? target.length : name;
            if (isLast) {
                if (utils.hasOwnProp(target, name)) {
                    target[name] = [target[name], value];
                } else {
                    target[name] = value;
                }
                return !isNumericKey;
            }
            if (!target[name] || !utils.isObject(target[name])) {
                target[name] = [];
            }
            var result = buildPath(path, value, target[name], index);
            if (result && utils.isArray(target[name])) {
                target[name] = arrayToObject(target[name]);
            }
            return !isNumericKey;
        }
        if (utils.isFormData(formData) && utils.isFunction(formData.entries)) {
            var obj = {};
            utils.forEachEntry(formData, function (name, value) {
                buildPath(parsePropPath(name), value, obj, 0);
            });
            return obj;
        }
        return null;
    }

    /**
     * Resolve or reject a Promise based on response status.
     *
     * @param {Function} resolve A function that resolves the promise.
     * @param {Function} reject A function that rejects the promise.
     * @param {object} response The response.
     *
     * @returns {object} The response.
     */
    function settle(resolve, reject, response) {
        var validateStatus = response.config.validateStatus;
        if (!response.status || !validateStatus || validateStatus(response.status)) {
            resolve(response);
        } else {
            reject(new AxiosError('Request failed with status code ' + response.status, [AxiosError.ERR_BAD_REQUEST, AxiosError.ERR_BAD_RESPONSE][Math.floor(response.status / 100) - 4], response.config, response.request, response));
        }
    }

    var cookies = platform.isStandardBrowserEnv ?
        // Standard browser envs support document.cookie
        function standardBrowserEnv() {
            return {
                write: function write(name, value, expires, path, domain, secure) {
                    var cookie = [];
                    cookie.push(name + '=' + encodeURIComponent(value));
                    if (utils.isNumber(expires)) {
                        cookie.push('expires=' + new Date(expires).toGMTString());
                    }
                    if (utils.isString(path)) {
                        cookie.push('path=' + path);
                    }
                    if (utils.isString(domain)) {
                        cookie.push('domain=' + domain);
                    }
                    if (secure === true) {
                        cookie.push('secure');
                    }
                    document.cookie = cookie.join('; ');
                },
                read: function read(name) {
                    var match = document.cookie.match(new RegExp('(^|;\\s*)(' + name + ')=([^;]*)'));
                    return match ? decodeURIComponent(match[3]) : null;
                },
                remove: function remove(name) {
                    this.write(name, '', Date.now() - 86400000);
                }
            };
        }() :
        // Non standard browser env (web workers, react-native) lack needed support.
        function nonStandardBrowserEnv() {
            return {
                write: function write() { },
                read: function read() {
                    return null;
                },
                remove: function remove() { }
            };
        }();

    /**
     * Determines whether the specified URL is absolute
     *
     * @param {string} url The URL to test
     *
     * @returns {boolean} True if the specified URL is absolute, otherwise false
     */
    function isAbsoluteURL(url) {
        // A URL is considered absolute if it begins with "<scheme>://" or "//" (protocol-relative URL).
        // RFC 3986 defines scheme name as a sequence of characters beginning with a letter and followed
        // by any combination of letters, digits, plus, period, or hyphen.
        return /^([a-z][a-z\d+\-.]*:)?\/\//i.test(url);
    }

    /**
     * Creates a new URL by combining the specified URLs
     *
     * @param {string} baseURL The base URL
     * @param {string} relativeURL The relative URL
     *
     * @returns {string} The combined URL
     */
    function combineURLs(baseURL, relativeURL) {
        return relativeURL ? baseURL.replace(/\/+$/, '') + '/' + relativeURL.replace(/^\/+/, '') : baseURL;
    }

    /**
     * Creates a new URL by combining the baseURL with the requestedURL,
     * only when the requestedURL is not already an absolute URL.
     * If the requestURL is absolute, this function returns the requestedURL untouched.
     *
     * @param {string} baseURL The base URL
     * @param {string} requestedURL Absolute or relative URL to combine
     *
     * @returns {string} The combined full path
     */
    function buildFullPath(baseURL, requestedURL) {
        if (baseURL && !isAbsoluteURL(requestedURL)) {
            return combineURLs(baseURL, requestedURL);
        }
        return requestedURL;
    }

    var isURLSameOrigin = platform.isStandardBrowserEnv ?
        // Standard browser envs have full support of the APIs needed to test
        // whether the request URL is of the same origin as current location.
        function standardBrowserEnv() {
            var msie = /(msie|trident)/i.test(navigator.userAgent);
            var urlParsingNode = document.createElement('a');
            var originURL;

            /**
            * Parse a URL to discover it's components
            *
            * @param {String} url The URL to be parsed
            * @returns {Object}
            */
            function resolveURL(url) {
                var href = url;
                if (msie) {
                    // IE needs attribute set twice to normalize properties
                    urlParsingNode.setAttribute('href', href);
                    href = urlParsingNode.href;
                }
                urlParsingNode.setAttribute('href', href);

                // urlParsingNode provides the UrlUtils interface - http://url.spec.whatwg.org/#urlutils
                return {
                    href: urlParsingNode.href,
                    protocol: urlParsingNode.protocol ? urlParsingNode.protocol.replace(/:$/, '') : '',
                    host: urlParsingNode.host,
                    search: urlParsingNode.search ? urlParsingNode.search.replace(/^\?/, '') : '',
                    hash: urlParsingNode.hash ? urlParsingNode.hash.replace(/^#/, '') : '',
                    hostname: urlParsingNode.hostname,
                    port: urlParsingNode.port,
                    pathname: urlParsingNode.pathname.charAt(0) === '/' ? urlParsingNode.pathname : '/' + urlParsingNode.pathname
                };
            }
            originURL = resolveURL(window.location.href);

            /**
            * Determine if a URL shares the same origin as the current location
            *
            * @param {String} requestURL The URL to test
            * @returns {boolean} True if URL shares the same origin, otherwise false
            */
            return function isURLSameOrigin(requestURL) {
                var parsed = utils.isString(requestURL) ? resolveURL(requestURL) : requestURL;
                return parsed.protocol === originURL.protocol && parsed.host === originURL.host;
            };
        }() :
        // Non standard browser envs (web workers, react-native) lack needed support.
        function nonStandardBrowserEnv() {
            return function isURLSameOrigin() {
                return true;
            };
        }();

    /**
     * A `CanceledError` is an object that is thrown when an operation is canceled.
     *
     * @param {string=} message The message.
     * @param {Object=} config The config.
     * @param {Object=} request The request.
     *
     * @returns {CanceledError} The created error.
     */
    function CanceledError(message, config, request) {
        // eslint-disable-next-line no-eq-null,eqeqeq
        AxiosError.call(this, message == null ? 'canceled' : message, AxiosError.ERR_CANCELED, config, request);
        this.name = 'CanceledError';
    }
    utils.inherits(CanceledError, AxiosError, {
        __CANCEL__: true
    });

    function parseProtocol(url) {
        var match = /^([-+\w]{1,25})(:?\/\/|:)/.exec(url);
        return match && match[1] || '';
    }

    // RawAxiosHeaders whose duplicates are ignored by node
    // c.f. https://nodejs.org/api/http.html#http_message_headers
    var ignoreDuplicateOf = utils.toObjectSet(['age', 'authorization', 'content-length', 'content-type', 'etag', 'expires', 'from', 'host', 'if-modified-since', 'if-unmodified-since', 'last-modified', 'location', 'max-forwards', 'proxy-authorization', 'referer', 'retry-after', 'user-agent']);

    /**
     * Parse headers into an object
     *
     * ```
     * Date: Wed, 27 Aug 2014 08:58:49 GMT
     * Content-Type: application/json
     * Connection: keep-alive
     * Transfer-Encoding: chunked
     * ```
     *
     * @param {String} rawHeaders Headers needing to be parsed
     *
     * @returns {Object} Headers parsed into an object
     */
    var parseHeaders = (function (rawHeaders) {
        var parsed = {};
        var key;
        var val;
        var i;
        rawHeaders && rawHeaders.split('\n').forEach(function parser(line) {
            i = line.indexOf(':');
            key = line.substring(0, i).trim().toLowerCase();
            val = line.substring(i + 1).trim();
            if (!key || parsed[key] && ignoreDuplicateOf[key]) {
                return;
            }
            if (key === 'set-cookie') {
                if (parsed[key]) {
                    parsed[key].push(val);
                } else {
                    parsed[key] = [val];
                }
            } else {
                parsed[key] = parsed[key] ? parsed[key] + ', ' + val : val;
            }
        });
        return parsed;
    });

    var $internals = Symbol('internals');
    var $defaults = Symbol('defaults');
    function normalizeHeader(header) {
        return header && String(header).trim().toLowerCase();
    }
    function normalizeValue(value) {
        if (value === false || value == null) {
            return value;
        }
        return utils.isArray(value) ? value.map(normalizeValue) : String(value);
    }
    function parseTokens(str) {
        var tokens = Object.create(null);
        var tokensRE = /([^\s,;=]+)\s*(?:=\s*([^,;]+))?/g;
        var match;
        while (match = tokensRE.exec(str)) {
            tokens[match[1]] = match[2];
        }
        return tokens;
    }
    function matchHeaderValue(context, value, header, filter) {
        if (utils.isFunction(filter)) {
            return filter.call(this, value, header);
        }
        if (!utils.isString(value)) return;
        if (utils.isString(filter)) {
            return value.indexOf(filter) !== -1;
        }
        if (utils.isRegExp(filter)) {
            return filter.test(value);
        }
    }
    function formatHeader(header) {
        return header.trim().toLowerCase().replace(/([a-z\d])(\w*)/g, function (w, _char, str) {
            return _char.toUpperCase() + str;
        });
    }
    function buildAccessors(obj, header) {
        var accessorName = utils.toCamelCase(' ' + header);
        ['get', 'set', 'has'].forEach(function (methodName) {
            Object.defineProperty(obj, methodName + accessorName, {
                value: function value(arg1, arg2, arg3) {
                    return this[methodName].call(this, header, arg1, arg2, arg3);
                },
                configurable: true
            });
        });
    }
    function findKey(obj, key) {
        key = key.toLowerCase();
        var keys = Object.keys(obj);
        var i = keys.length;
        var _key;
        while (i-- > 0) {
            _key = keys[i];
            if (key === _key.toLowerCase()) {
                return _key;
            }
        }
        return null;
    }
    function AxiosHeaders(headers, defaults) {
        headers && this.set(headers);
        this[$defaults] = defaults || null;
    }
    Object.assign(AxiosHeaders.prototype, {
        set: function set(header, valueOrRewrite, rewrite) {
            var self = this;
            function setHeader(_value, _header, _rewrite) {
                var lHeader = normalizeHeader(_header);
                if (!lHeader) {
                    throw new Error('header name must be a non-empty string');
                }
                var key = findKey(self, lHeader);
                if (key && _rewrite !== true && (self[key] === false || _rewrite === false)) {
                    return;
                }
                self[key || _header] = normalizeValue(_value);
            }
            if (utils.isPlainObject(header)) {
                utils.forEach(header, function (_value, _header) {
                    setHeader(_value, _header, valueOrRewrite);
                });
            } else {
                setHeader(valueOrRewrite, header, rewrite);
            }
            return this;
        },
        get: function get(header, parser) {
            header = normalizeHeader(header);
            if (!header) return undefined;
            var key = findKey(this, header);
            if (key) {
                var value = this[key];
                if (!parser) {
                    return value;
                }
                if (parser === true) {
                    return parseTokens(value);
                }
                if (utils.isFunction(parser)) {
                    return parser.call(this, value, key);
                }
                if (utils.isRegExp(parser)) {
                    return parser.exec(value);
                }
                throw new TypeError('parser must be boolean|regexp|function');
            }
        },
        has: function has(header, matcher) {
            header = normalizeHeader(header);
            if (header) {
                var key = findKey(this, header);
                return !!(key && (!matcher || matchHeaderValue(this, this[key], key, matcher)));
            }
            return false;
        },
        "delete": function _delete(header, matcher) {
            var self = this;
            var deleted = false;
            function deleteHeader(_header) {
                _header = normalizeHeader(_header);
                if (_header) {
                    var key = findKey(self, _header);
                    if (key && (!matcher || matchHeaderValue(self, self[key], key, matcher))) {
                        delete self[key];
                        deleted = true;
                    }
                }
            }
            if (utils.isArray(header)) {
                header.forEach(deleteHeader);
            } else {
                deleteHeader(header);
            }
            return deleted;
        },
        clear: function clear() {
            return Object.keys(this).forEach(this["delete"].bind(this));
        },
        normalize: function normalize(format) {
            var self = this;
            var headers = {};
            utils.forEach(this, function (value, header) {
                var key = findKey(headers, header);
                if (key) {
                    self[key] = normalizeValue(value);
                    delete self[header];
                    return;
                }
                var normalized = format ? formatHeader(header) : String(header).trim();
                if (normalized !== header) {
                    delete self[header];
                }
                self[normalized] = normalizeValue(value);
                headers[normalized] = true;
            });
            return this;
        },
        toJSON: function toJSON(asStrings) {
            var obj = Object.create(null);
            utils.forEach(Object.assign({}, this[$defaults] || null, this), function (value, header) {
                if (value == null || value === false) return;
                obj[header] = asStrings && utils.isArray(value) ? value.join(', ') : value;
            });
            return obj;
        }
    });
    Object.assign(AxiosHeaders, {
        from: function from(thing) {
            if (utils.isString(thing)) {
                return new this(parseHeaders(thing));
            }
            return thing instanceof this ? thing : new this(thing);
        },
        accessor: function accessor(header) {
            var internals = this[$internals] = this[$internals] = {
                accessors: {}
            };
            var accessors = internals.accessors;
            var prototype = this.prototype;
            function defineAccessor(_header) {
                var lHeader = normalizeHeader(_header);
                if (!accessors[lHeader]) {
                    buildAccessors(prototype, _header);
                    accessors[lHeader] = true;
                }
            }
            utils.isArray(header) ? header.forEach(defineAccessor) : defineAccessor(header);
            return this;
        }
    });
    AxiosHeaders.accessor(['Content-Type', 'Content-Length', 'Accept', 'Accept-Encoding', 'User-Agent']);
    utils.freezeMethods(AxiosHeaders.prototype);
    utils.freezeMethods(AxiosHeaders);

    /**
     * Calculate data maxRate
     * @param {Number} [samplesCount= 10]
     * @param {Number} [min= 1000]
     * @returns {Function}
     */
    function speedometer(samplesCount, min) {
        samplesCount = samplesCount || 10;
        var bytes = new Array(samplesCount);
        var timestamps = new Array(samplesCount);
        var head = 0;
        var tail = 0;
        var firstSampleTS;
        min = min !== undefined ? min : 1000;
        return function push(chunkLength) {
            var now = Date.now();
            var startedAt = timestamps[tail];
            if (!firstSampleTS) {
                firstSampleTS = now;
            }
            bytes[head] = chunkLength;
            timestamps[head] = now;
            var i = tail;
            var bytesCount = 0;
            while (i !== head) {
                bytesCount += bytes[i++];
                i = i % samplesCount;
            }
            head = (head + 1) % samplesCount;
            if (head === tail) {
                tail = (tail + 1) % samplesCount;
            }
            if (now - firstSampleTS < min) {
                return;
            }
            var passed = startedAt && now - startedAt;
            return passed ? Math.round(bytesCount * 1000 / passed) : undefined;
        };
    }

    function progressEventReducer(listener, isDownloadStream) {
        var bytesNotified = 0;
        var _speedometer = speedometer(50, 250);
        return function (e) {
            var loaded = e.loaded;
            var total = e.lengthComputable ? e.total : undefined;
            var progressBytes = loaded - bytesNotified;
            var rate = _speedometer(progressBytes);
            var inRange = loaded <= total;
            bytesNotified = loaded;
            var data = {
                loaded: loaded,
                total: total,
                progress: total ? loaded / total : undefined,
                bytes: progressBytes,
                rate: rate ? rate : undefined,
                estimated: rate && total && inRange ? (total - loaded) / rate : undefined
            };
            data[isDownloadStream ? 'download' : 'upload'] = true;
            listener(data);
        };
    }
    function xhrAdapter(config) {
        return new Promise(function dispatchXhrRequest(resolve, reject) {
            var requestData = config.data;
            var requestHeaders = AxiosHeaders.from(config.headers).normalize();
            var responseType = config.responseType;
            var onCanceled;
            function done() {
                if (config.cancelToken) {
                    config.cancelToken.unsubscribe(onCanceled);
                }
                if (config.signal) {
                    config.signal.removeEventListener('abort', onCanceled);
                }
            }
            if (utils.isFormData(requestData) && platform.isStandardBrowserEnv) {
                requestHeaders.setContentType(false); // Let the browser set it
            }

            var request = new XMLHttpRequest();

            // HTTP basic authentication
            if (config.auth) {
                var username = config.auth.username || '';
                var password = config.auth.password ? unescape(encodeURIComponent(config.auth.password)) : '';
                requestHeaders.set('Authorization', 'Basic ' + btoa(username + ':' + password));
            }
            var fullPath = buildFullPath(config.baseURL, config.url);
            request.open(config.method.toUpperCase(), buildURL(fullPath, config.params, config.paramsSerializer), true);

            // Set the request timeout in MS
            request.timeout = config.timeout;
            function onloadend() {
                if (!request) {
                    return;
                }
                // Prepare the response
                var responseHeaders = AxiosHeaders.from('getAllResponseHeaders' in request && request.getAllResponseHeaders());
                var responseData = !responseType || responseType === 'text' || responseType === 'json' ? request.responseText : request.response;
                var response = {
                    data: responseData,
                    status: request.status,
                    statusText: request.statusText,
                    headers: responseHeaders,
                    config: config,
                    request: request
                };
                settle(function _resolve(value) {
                    resolve(value);
                    done();
                }, function _reject(err) {
                    reject(err);
                    done();
                }, response);

                // Clean up request
                request = null;
            }
            if ('onloadend' in request) {
                // Use onloadend if available
                request.onloadend = onloadend;
            } else {
                // Listen for ready state to emulate onloadend
                request.onreadystatechange = function handleLoad() {
                    if (!request || request.readyState !== 4) {
                        return;
                    }

                    // The request errored out and we didn't get a response, this will be
                    // handled by onerror instead
                    // With one exception: request that using file: protocol, most browsers
                    // will return status as 0 even though it's a successful request
                    if (request.status === 0 && !(request.responseURL && request.responseURL.indexOf('file:') === 0)) {
                        return;
                    }
                    // readystate handler is calling before onerror or ontimeout handlers,
                    // so we should call onloadend on the next 'tick'
                    setTimeout(onloadend);
                };
            }

            // Handle browser request cancellation (as opposed to a manual cancellation)
            request.onabort = function handleAbort() {
                if (!request) {
                    return;
                }
                reject(new AxiosError('Request aborted', AxiosError.ECONNABORTED, config, request));

                // Clean up request
                request = null;
            };

            // Handle low level network errors
            request.onerror = function handleError() {
                // Real errors are hidden from us by the browser
                // onerror should only fire if it's a network error
                reject(new AxiosError('Network Error', AxiosError.ERR_NETWORK, config, request));

                // Clean up request
                request = null;
            };

            // Handle timeout
            request.ontimeout = function handleTimeout() {
                var timeoutErrorMessage = config.timeout ? 'timeout of ' + config.timeout + 'ms exceeded' : 'timeout exceeded';
                var transitional = config.transitional || transitionalDefaults;
                if (config.timeoutErrorMessage) {
                    timeoutErrorMessage = config.timeoutErrorMessage;
                }
                reject(new AxiosError(timeoutErrorMessage, transitional.clarifyTimeoutError ? AxiosError.ETIMEDOUT : AxiosError.ECONNABORTED, config, request));

                // Clean up request
                request = null;
            };

            // Add xsrf header
            // This is only done if running in a standard browser environment.
            // Specifically not if we're in a web worker, or react-native.
            if (platform.isStandardBrowserEnv) {
                // Add xsrf header
                var xsrfValue = (config.withCredentials || isURLSameOrigin(fullPath)) && config.xsrfCookieName && cookies.read(config.xsrfCookieName);
                if (xsrfValue) {
                    requestHeaders.set(config.xsrfHeaderName, xsrfValue);
                }
            }

            // Remove Content-Type if data is undefined
            requestData === undefined && requestHeaders.setContentType(null);

            // Add headers to the request
            if ('setRequestHeader' in request) {
                utils.forEach(requestHeaders.toJSON(), function setRequestHeader(val, key) {
                    request.setRequestHeader(key, val);
                });
            }

            // Add withCredentials to request if needed
            if (!utils.isUndefined(config.withCredentials)) {
                request.withCredentials = !!config.withCredentials;
            }

            // Add responseType to request if needed
            if (responseType && responseType !== 'json') {
                request.responseType = config.responseType;
            }

            // Handle progress if needed
            if (typeof config.onDownloadProgress === 'function') {
                request.addEventListener('progress', progressEventReducer(config.onDownloadProgress, true));
            }

            // Not all browsers support upload events
            if (typeof config.onUploadProgress === 'function' && request.upload) {
                request.upload.addEventListener('progress', progressEventReducer(config.onUploadProgress));
            }
            if (config.cancelToken || config.signal) {
                // Handle cancellation
                // eslint-disable-next-line func-names
                onCanceled = function onCanceled(cancel) {
                    if (!request) {
                        return;
                    }
                    reject(!cancel || cancel.type ? new CanceledError(null, config, request) : cancel);
                    request.abort();
                    request = null;
                };
                config.cancelToken && config.cancelToken.subscribe(onCanceled);
                if (config.signal) {
                    config.signal.aborted ? onCanceled() : config.signal.addEventListener('abort', onCanceled);
                }
            }
            var protocol = parseProtocol(fullPath);
            if (protocol && platform.protocols.indexOf(protocol) === -1) {
                reject(new AxiosError('Unsupported protocol ' + protocol + ':', AxiosError.ERR_BAD_REQUEST, config));
                return;
            }

            // Send the request
            request.send(requestData || null);
        });
    }

    var adapters = {
        http: xhrAdapter,
        xhr: xhrAdapter
    };
    var adapters$1 = {
        getAdapter: function getAdapter(nameOrAdapter) {
            if (utils.isString(nameOrAdapter)) {
                var adapter = adapters[nameOrAdapter];
                if (!nameOrAdapter) {
                    throw Error(utils.hasOwnProp(nameOrAdapter) ? "Adapter '".concat(nameOrAdapter, "' is not available in the build") : "Can not resolve adapter '".concat(nameOrAdapter, "'"));
                }
                return adapter;
            }
            if (!utils.isFunction(nameOrAdapter)) {
                throw new TypeError('adapter is not a function');
            }
            return nameOrAdapter;
        },
        adapters: adapters
    };

    var DEFAULT_CONTENT_TYPE = {
        'Content-Type': 'application/x-www-form-urlencoded'
    };

    /**
     * If the browser has an XMLHttpRequest object, use the XHR adapter, otherwise use the HTTP
     * adapter
     *
     * @returns {Function}
     */
    function getDefaultAdapter() {
        var adapter;
        if (typeof XMLHttpRequest !== 'undefined') {
            // For browsers use XHR adapter
            adapter = adapters$1.getAdapter('xhr');
        } else if (typeof process !== 'undefined' && utils.kindOf(process) === 'process') {
            // For node use HTTP adapter
            adapter = adapters$1.getAdapter('http');
        }
        return adapter;
    }

    /**
     * It takes a string, tries to parse it, and if it fails, it returns the stringified version
     * of the input
     *
     * @param {any} rawValue - The value to be stringified.
     * @param {Function} parser - A function that parses a string into a JavaScript object.
     * @param {Function} encoder - A function that takes a value and returns a string.
     *
     * @returns {string} A stringified version of the rawValue.
     */
    function stringifySafely(rawValue, parser, encoder) {
        if (utils.isString(rawValue)) {
            try {
                (parser || JSON.parse)(rawValue);
                return utils.trim(rawValue);
            } catch (e) {
                if (e.name !== 'SyntaxError') {
                    throw e;
                }
            }
        }
        return (encoder || JSON.stringify)(rawValue);
    }
    var defaults = {
        transitional: transitionalDefaults,
        adapter: getDefaultAdapter(),
        transformRequest: [function transformRequest(data, headers) {
            var contentType = headers.getContentType() || '';
            var hasJSONContentType = contentType.indexOf('application/json') > -1;
            var isObjectPayload = utils.isObject(data);
            if (isObjectPayload && utils.isHTMLForm(data)) {
                data = new FormData(data);
            }
            var isFormData = utils.isFormData(data);
            if (isFormData) {
                if (!hasJSONContentType) {
                    return data;
                }
                return hasJSONContentType ? JSON.stringify(formDataToJSON(data)) : data;
            }
            if (utils.isArrayBuffer(data) || utils.isBuffer(data) || utils.isStream(data) || utils.isFile(data) || utils.isBlob(data)) {
                return data;
            }
            if (utils.isArrayBufferView(data)) {
                return data.buffer;
            }
            if (utils.isURLSearchParams(data)) {
                headers.setContentType('application/x-www-form-urlencoded;charset=utf-8', false);
                return data.toString();
            }
            var isFileList;
            if (isObjectPayload) {
                if (contentType.indexOf('application/x-www-form-urlencoded') > -1) {
                    return toURLEncodedForm(data, this.formSerializer).toString();
                }
                if ((isFileList = utils.isFileList(data)) || contentType.indexOf('multipart/form-data') > -1) {
                    var _FormData = this.env && this.env.FormData;
                    return toFormData(isFileList ? {
                        'files[]': data
                    } : data, _FormData && new _FormData(), this.formSerializer);
                }
            }
            if (isObjectPayload || hasJSONContentType) {
                headers.setContentType('application/json', false);
                return stringifySafely(data);
            }
            return data;
        }],
        transformResponse: [function transformResponse(data) {
            var transitional = this.transitional || defaults.transitional;
            var forcedJSONParsing = transitional && transitional.forcedJSONParsing;
            var JSONRequested = this.responseType === 'json';
            if (data && utils.isString(data) && (forcedJSONParsing && !this.responseType || JSONRequested)) {
                var silentJSONParsing = transitional && transitional.silentJSONParsing;
                var strictJSONParsing = !silentJSONParsing && JSONRequested;
                try {
                    return JSON.parse(data);
                } catch (e) {
                    if (strictJSONParsing) {
                        if (e.name === 'SyntaxError') {
                            throw AxiosError.from(e, AxiosError.ERR_BAD_RESPONSE, this, null, this.response);
                        }
                        throw e;
                    }
                }
            }
            return data;
        }],
        /**
         * A timeout in milliseconds to abort a request. If set to 0 (default) a
         * timeout is not created.
         */
        timeout: 0,
        xsrfCookieName: 'XSRF-TOKEN',
        xsrfHeaderName: 'X-XSRF-TOKEN',
        maxContentLength: -1,
        maxBodyLength: -1,
        env: {
            FormData: platform.classes.FormData,
            Blob: platform.classes.Blob
        },
        validateStatus: function validateStatus(status) {
            return status >= 200 && status < 300;
        },
        headers: {
            common: {
                'Accept': 'application/json, text/plain, */*'
            }
        }
    };
    utils.forEach(['delete', 'get', 'head'], function forEachMethodNoData(method) {
        defaults.headers[method] = {};
    });
    utils.forEach(['post', 'put', 'patch'], function forEachMethodWithData(method) {
        defaults.headers[method] = utils.merge(DEFAULT_CONTENT_TYPE);
    });

    /**
     * Transform the data for a request or a response
     *
     * @param {Array|Function} fns A single function or Array of functions
     * @param {?Object} response The response object
     *
     * @returns {*} The resulting transformed data
     */
    function transformData(fns, response) {
        var config = this || defaults;
        var context = response || config;
        var headers = AxiosHeaders.from(context.headers);
        var data = context.data;
        utils.forEach(fns, function transform(fn) {
            data = fn.call(config, data, headers.normalize(), response ? response.status : undefined);
        });
        headers.normalize();
        return data;
    }

    function isCancel(value) {
        return !!(value && value.__CANCEL__);
    }

    /**
     * Throws a `CanceledError` if cancellation has been requested.
     *
     * @param {Object} config The config that is to be used for the request
     *
     * @returns {void}
     */
    function throwIfCancellationRequested(config) {
        if (config.cancelToken) {
            config.cancelToken.throwIfRequested();
        }
        if (config.signal && config.signal.aborted) {
            throw new CanceledError();
        }
    }

    /**
     * Dispatch a request to the server using the configured adapter.
     *
     * @param {object} config The config that is to be used for the request
     *
     * @returns {Promise} The Promise to be fulfilled
     */
    function dispatchRequest(config) {
        throwIfCancellationRequested(config);
        config.headers = AxiosHeaders.from(config.headers);

        // Transform request data
        config.data = transformData.call(config, config.transformRequest);
        var adapter = config.adapter || defaults.adapter;
        return adapter(config).then(function onAdapterResolution(response) {
            throwIfCancellationRequested(config);

            // Transform response data
            response.data = transformData.call(config, config.transformResponse, response);
            response.headers = AxiosHeaders.from(response.headers);
            return response;
        }, function onAdapterRejection(reason) {
            if (!isCancel(reason)) {
                throwIfCancellationRequested(config);

                // Transform response data
                if (reason && reason.response) {
                    reason.response.data = transformData.call(config, config.transformResponse, reason.response);
                    reason.response.headers = AxiosHeaders.from(reason.response.headers);
                }
            }
            return Promise.reject(reason);
        });
    }

    /**
     * Config-specific merge-function which creates a new config-object
     * by merging two configuration objects together.
     *
     * @param {Object} config1
     * @param {Object} config2
     *
     * @returns {Object} New object resulting from merging config2 to config1
     */
    function mergeConfig(config1, config2) {
        // eslint-disable-next-line no-param-reassign
        config2 = config2 || {};
        var config = {};
        function getMergedValue(target, source) {
            if (utils.isPlainObject(target) && utils.isPlainObject(source)) {
                return utils.merge(target, source);
            } else if (utils.isPlainObject(source)) {
                return utils.merge({}, source);
            } else if (utils.isArray(source)) {
                return source.slice();
            }
            return source;
        }

        // eslint-disable-next-line consistent-return
        function mergeDeepProperties(prop) {
            if (!utils.isUndefined(config2[prop])) {
                return getMergedValue(config1[prop], config2[prop]);
            } else if (!utils.isUndefined(config1[prop])) {
                return getMergedValue(undefined, config1[prop]);
            }
        }

        // eslint-disable-next-line consistent-return
        function valueFromConfig2(prop) {
            if (!utils.isUndefined(config2[prop])) {
                return getMergedValue(undefined, config2[prop]);
            }
        }

        // eslint-disable-next-line consistent-return
        function defaultToConfig2(prop) {
            if (!utils.isUndefined(config2[prop])) {
                return getMergedValue(undefined, config2[prop]);
            } else if (!utils.isUndefined(config1[prop])) {
                return getMergedValue(undefined, config1[prop]);
            }
        }

        // eslint-disable-next-line consistent-return
        function mergeDirectKeys(prop) {
            if (prop in config2) {
                return getMergedValue(config1[prop], config2[prop]);
            } else if (prop in config1) {
                return getMergedValue(undefined, config1[prop]);
            }
        }
        var mergeMap = {
            'url': valueFromConfig2,
            'method': valueFromConfig2,
            'data': valueFromConfig2,
            'baseURL': defaultToConfig2,
            'transformRequest': defaultToConfig2,
            'transformResponse': defaultToConfig2,
            'paramsSerializer': defaultToConfig2,
            'timeout': defaultToConfig2,
            'timeoutMessage': defaultToConfig2,
            'withCredentials': defaultToConfig2,
            'adapter': defaultToConfig2,
            'responseType': defaultToConfig2,
            'xsrfCookieName': defaultToConfig2,
            'xsrfHeaderName': defaultToConfig2,
            'onUploadProgress': defaultToConfig2,
            'onDownloadProgress': defaultToConfig2,
            'decompress': defaultToConfig2,
            'maxContentLength': defaultToConfig2,
            'maxBodyLength': defaultToConfig2,
            'beforeRedirect': defaultToConfig2,
            'transport': defaultToConfig2,
            'httpAgent': defaultToConfig2,
            'httpsAgent': defaultToConfig2,
            'cancelToken': defaultToConfig2,
            'socketPath': defaultToConfig2,
            'responseEncoding': defaultToConfig2,
            'validateStatus': mergeDirectKeys
        };
        utils.forEach(Object.keys(config1).concat(Object.keys(config2)), function computeConfigValue(prop) {
            var merge = mergeMap[prop] || mergeDeepProperties;
            var configValue = merge(prop);
            utils.isUndefined(configValue) && merge !== mergeDirectKeys || (config[prop] = configValue);
        });
        return config;
    }

    var VERSION = "1.1.3";

    var validators$1 = {};

    // eslint-disable-next-line func-names
    ['object', 'boolean', 'number', 'function', 'string', 'symbol'].forEach(function (type, i) {
        validators$1[type] = function validator(thing) {
            return _typeof(thing) === type || 'a' + (i < 1 ? 'n ' : ' ') + type;
        };
    });
    var deprecatedWarnings = {};

    /**
     * Transitional option validator
     *
     * @param {function|boolean?} validator - set to false if the transitional option has been removed
     * @param {string?} version - deprecated version / removed since version
     * @param {string?} message - some message with additional info
     *
     * @returns {function}
     */
    validators$1.transitional = function transitional(validator, version, message) {
        function formatMessage(opt, desc) {
            return '[Axios v' + VERSION + '] Transitional option \'' + opt + '\'' + desc + (message ? '. ' + message : '');
        }

        // eslint-disable-next-line func-names
        return function (value, opt, opts) {
            if (validator === false) {
                throw new AxiosError(formatMessage(opt, ' has been removed' + (version ? ' in ' + version : '')), AxiosError.ERR_DEPRECATED);
            }
            if (version && !deprecatedWarnings[opt]) {
                deprecatedWarnings[opt] = true;
                // eslint-disable-next-line no-console
                console.warn(formatMessage(opt, ' has been deprecated since v' + version + ' and will be removed in the near future'));
            }
            return validator ? validator(value, opt, opts) : true;
        };
    };

    /**
     * Assert object's properties type
     *
     * @param {object} options
     * @param {object} schema
     * @param {boolean?} allowUnknown
     *
     * @returns {object}
     */

    function assertOptions(options, schema, allowUnknown) {
        if (_typeof(options) !== 'object') {
            throw new AxiosError('options must be an object', AxiosError.ERR_BAD_OPTION_VALUE);
        }
        var keys = Object.keys(options);
        var i = keys.length;
        while (i-- > 0) {
            var opt = keys[i];
            var validator = schema[opt];
            if (validator) {
                var value = options[opt];
                var result = value === undefined || validator(value, opt, options);
                if (result !== true) {
                    throw new AxiosError('option ' + opt + ' must be ' + result, AxiosError.ERR_BAD_OPTION_VALUE);
                }
                continue;
            }
            if (allowUnknown !== true) {
                throw new AxiosError('Unknown option ' + opt, AxiosError.ERR_BAD_OPTION);
            }
        }
    }
    var validator = {
        assertOptions: assertOptions,
        validators: validators$1
    };

    var validators = validator.validators;

    /**
     * Create a new instance of Axios
     *
     * @param {Object} instanceConfig The default config for the instance
     *
     * @return {Axios} A new instance of Axios
     */
    var Axios = /*#__PURE__*/function () {
        function Axios(instanceConfig) {
            _classCallCheck(this, Axios);
            this.defaults = instanceConfig;
            this.interceptors = {
                request: new InterceptorManager(),
                response: new InterceptorManager()
            };
        }

        /**
         * Dispatch a request
         *
         * @param {String|Object} configOrUrl The config specific for this request (merged with this.defaults)
         * @param {?Object} config
         *
         * @returns {Promise} The Promise to be fulfilled
         */
        _createClass(Axios, [{
            key: "request",
            value: function request(configOrUrl, config) {
                /*eslint no-param-reassign:0*/
                // Allow for axios('example/url'[, config]) a la fetch API
                if (typeof configOrUrl === 'string') {
                    config = config || {};
                    config.url = configOrUrl;
                } else {
                    config = configOrUrl || {};
                }
                config = mergeConfig(this.defaults, config);
                var _config = config,
                    transitional = _config.transitional,
                    paramsSerializer = _config.paramsSerializer;
                if (transitional !== undefined) {
                    validator.assertOptions(transitional, {
                        silentJSONParsing: validators.transitional(validators["boolean"]),
                        forcedJSONParsing: validators.transitional(validators["boolean"]),
                        clarifyTimeoutError: validators.transitional(validators["boolean"])
                    }, false);
                }
                if (paramsSerializer !== undefined) {
                    validator.assertOptions(paramsSerializer, {
                        encode: validators["function"],
                        serialize: validators["function"]
                    }, true);
                }

                // Set config.method
                config.method = (config.method || this.defaults.method || 'get').toLowerCase();

                // Flatten headers
                var defaultHeaders = config.headers && utils.merge(config.headers.common, config.headers[config.method]);
                defaultHeaders && utils.forEach(['delete', 'get', 'head', 'post', 'put', 'patch', 'common'], function cleanHeaderConfig(method) {
                    delete config.headers[method];
                });
                config.headers = new AxiosHeaders(config.headers, defaultHeaders);

                // filter out skipped interceptors
                var requestInterceptorChain = [];
                var synchronousRequestInterceptors = true;
                this.interceptors.request.forEach(function unshiftRequestInterceptors(interceptor) {
                    if (typeof interceptor.runWhen === 'function' && interceptor.runWhen(config) === false) {
                        return;
                    }
                    synchronousRequestInterceptors = synchronousRequestInterceptors && interceptor.synchronous;
                    requestInterceptorChain.unshift(interceptor.fulfilled, interceptor.rejected);
                });
                var responseInterceptorChain = [];
                this.interceptors.response.forEach(function pushResponseInterceptors(interceptor) {
                    responseInterceptorChain.push(interceptor.fulfilled, interceptor.rejected);
                });
                var promise;
                var i = 0;
                var len;
                if (!synchronousRequestInterceptors) {
                    var chain = [dispatchRequest.bind(this), undefined];
                    chain.unshift.apply(chain, requestInterceptorChain);
                    chain.push.apply(chain, responseInterceptorChain);
                    len = chain.length;
                    promise = Promise.resolve(config);
                    while (i < len) {
                        promise = promise.then(chain[i++], chain[i++]);
                    }
                    return promise;
                }
                len = requestInterceptorChain.length;
                var newConfig = config;
                i = 0;
                while (i < len) {
                    var onFulfilled = requestInterceptorChain[i++];
                    var onRejected = requestInterceptorChain[i++];
                    try {
                        newConfig = onFulfilled(newConfig);
                    } catch (error) {
                        onRejected.call(this, error);
                        break;
                    }
                }
                try {
                    promise = dispatchRequest.call(this, newConfig);
                } catch (error) {
                    return Promise.reject(error);
                }
                i = 0;
                len = responseInterceptorChain.length;
                while (i < len) {
                    promise = promise.then(responseInterceptorChain[i++], responseInterceptorChain[i++]);
                }
                return promise;
            }
        }, {
            key: "getUri",
            value: function getUri(config) {
                config = mergeConfig(this.defaults, config);
                var fullPath = buildFullPath(config.baseURL, config.url);
                return buildURL(fullPath, config.params, config.paramsSerializer);
            }
        }]);
        return Axios;
    }(); // Provide aliases for supported request methods
    utils.forEach(['delete', 'get', 'head', 'options'], function forEachMethodNoData(method) {
        /*eslint func-names:0*/
        Axios.prototype[method] = function (url, config) {
            return this.request(mergeConfig(config || {}, {
                method: method,
                url: url,
                data: (config || {}).data
            }));
        };
    });
    utils.forEach(['post', 'put', 'patch'], function forEachMethodWithData(method) {
        /*eslint func-names:0*/

        function generateHTTPMethod(isForm) {
            return function httpMethod(url, data, config) {
                return this.request(mergeConfig(config || {}, {
                    method: method,
                    headers: isForm ? {
                        'Content-Type': 'multipart/form-data'
                    } : {},
                    url: url,
                    data: data
                }));
            };
        }
        Axios.prototype[method] = generateHTTPMethod();
        Axios.prototype[method + 'Form'] = generateHTTPMethod(true);
    });

    /**
     * A `CancelToken` is an object that can be used to request cancellation of an operation.
     *
     * @param {Function} executor The executor function.
     *
     * @returns {CancelToken}
     */
    var CancelToken = /*#__PURE__*/function () {
        function CancelToken(executor) {
            _classCallCheck(this, CancelToken);
            if (typeof executor !== 'function') {
                throw new TypeError('executor must be a function.');
            }
            var resolvePromise;
            this.promise = new Promise(function promiseExecutor(resolve) {
                resolvePromise = resolve;
            });
            var token = this;

            // eslint-disable-next-line func-names
            this.promise.then(function (cancel) {
                if (!token._listeners) return;
                var i = token._listeners.length;
                while (i-- > 0) {
                    token._listeners[i](cancel);
                }
                token._listeners = null;
            });

            // eslint-disable-next-line func-names
            this.promise.then = function (onfulfilled) {
                var _resolve;
                // eslint-disable-next-line func-names
                var promise = new Promise(function (resolve) {
                    token.subscribe(resolve);
                    _resolve = resolve;
                }).then(onfulfilled);
                promise.cancel = function reject() {
                    token.unsubscribe(_resolve);
                };
                return promise;
            };
            executor(function cancel(message, config, request) {
                if (token.reason) {
                    // Cancellation has already been requested
                    return;
                }
                token.reason = new CanceledError(message, config, request);
                resolvePromise(token.reason);
            });
        }

        /**
         * Throws a `CanceledError` if cancellation has been requested.
         */
        _createClass(CancelToken, [{
            key: "throwIfRequested",
            value: function throwIfRequested() {
                if (this.reason) {
                    throw this.reason;
                }
            }

            /**
             * Subscribe to the cancel signal
             */
        }, {
            key: "subscribe",
            value: function subscribe(listener) {
                if (this.reason) {
                    listener(this.reason);
                    return;
                }
                if (this._listeners) {
                    this._listeners.push(listener);
                } else {
                    this._listeners = [listener];
                }
            }

            /**
             * Unsubscribe from the cancel signal
             */
        }, {
            key: "unsubscribe",
            value: function unsubscribe(listener) {
                if (!this._listeners) {
                    return;
                }
                var index = this._listeners.indexOf(listener);
                if (index !== -1) {
                    this._listeners.splice(index, 1);
                }
            }

            /**
             * Returns an object that contains a new `CancelToken` and a function that, when called,
             * cancels the `CancelToken`.
             */
        }], [{
            key: "source",
            value: function source() {
                var cancel;
                var token = new CancelToken(function executor(c) {
                    cancel = c;
                });
                return {
                    token: token,
                    cancel: cancel
                };
            }
        }]);
        return CancelToken;
    }();

    /**
     * Syntactic sugar for invoking a function and expanding an array for arguments.
     *
     * Common use case would be to use `Function.prototype.apply`.
     *
     *  ```js
     *  function f(x, y, z) {}
     *  var args = [1, 2, 3];
     *  f.apply(null, args);
     *  ```
     *
     * With `spread` this example can be re-written.
     *
     *  ```js
     *  spread(function(x, y, z) {})([1, 2, 3]);
     *  ```
     *
     * @param {Function} callback
     *
     * @returns {Function}
     */
    function spread(callback) {
        return function wrap(arr) {
            return callback.apply(null, arr);
        };
    }

    /**
     * Determines whether the payload is an error thrown by Axios
     *
     * @param {*} payload The value to test
     *
     * @returns {boolean} True if the payload is an error thrown by Axios, otherwise false
     */
    function isAxiosError(payload) {
        return utils.isObject(payload) && payload.isAxiosError === true;
    }

    /**
     * Create an instance of Axios
     *
     * @param {Object} defaultConfig The default config for the instance
     *
     * @returns {Axios} A new instance of Axios
     */
    function createInstance(defaultConfig) {
        var context = new Axios(defaultConfig);
        var instance = bind(Axios.prototype.request, context);

        // Copy axios.prototype to instance
        utils.extend(instance, Axios.prototype, context, {
            allOwnKeys: true
        });

        // Copy context to instance
        utils.extend(instance, context, null, {
            allOwnKeys: true
        });

        // Factory for creating new instances
        instance.create = function create(instanceConfig) {
            return createInstance(mergeConfig(defaultConfig, instanceConfig));
        };
        return instance;
    }

    // Create the default instance to be exported
    var axios = createInstance(defaults);

    // Expose Axios class to allow class inheritance
    axios.Axios = Axios;

    // Expose Cancel & CancelToken
    axios.CanceledError = CanceledError;
    axios.CancelToken = CancelToken;
    axios.isCancel = isCancel;
    axios.VERSION = VERSION;
    axios.toFormData = toFormData;

    // Expose AxiosError class
    axios.AxiosError = AxiosError;

    // alias for CanceledError for backward compatibility
    axios.Cancel = axios.CanceledError;

    // Expose all/spread
    axios.all = function all(promises) {
        return Promise.all(promises);
    };
    axios.spread = spread;

    // Expose isAxiosError
    axios.isAxiosError = isAxiosError;
    axios.formToJSON = function (thing) {
        return formDataToJSON(utils.isHTMLForm(thing) ? new FormData(thing) : thing);
    };

    return axios;

}));
  //# sourceMappingURL=axios.js.map