621 lines
18 KiB
JavaScript
621 lines
18 KiB
JavaScript
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(function (global, factory) {
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typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports) :
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typeof define === 'function' && define.amd ? define(['exports'], factory) :
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(factory((global.WHATWGFetch = {})));
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}(this, (function (exports) { 'use strict';
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var global =
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(typeof globalThis !== 'undefined' && globalThis) ||
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(typeof self !== 'undefined' && self) ||
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(typeof global !== 'undefined' && global);
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var support = {
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searchParams: 'URLSearchParams' in global,
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iterable: 'Symbol' in global && 'iterator' in Symbol,
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blob:
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'FileReader' in global &&
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'Blob' in global &&
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(function() {
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try {
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new Blob();
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return true
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} catch (e) {
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return false
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}
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})(),
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formData: 'FormData' in global,
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arrayBuffer: 'ArrayBuffer' in global
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};
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function isDataView(obj) {
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return obj && DataView.prototype.isPrototypeOf(obj)
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}
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if (support.arrayBuffer) {
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var viewClasses = [
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'[object Int8Array]',
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'[object Uint8Array]',
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'[object Uint8ClampedArray]',
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'[object Int16Array]',
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'[object Uint16Array]',
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'[object Int32Array]',
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'[object Uint32Array]',
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'[object Float32Array]',
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'[object Float64Array]'
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];
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var isArrayBufferView =
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ArrayBuffer.isView ||
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function(obj) {
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return obj && viewClasses.indexOf(Object.prototype.toString.call(obj)) > -1
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};
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}
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function normalizeName(name) {
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if (typeof name !== 'string') {
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name = String(name);
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}
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if (/[^a-z0-9\-#$%&'*+.^_`|~!]/i.test(name) || name === '') {
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throw new TypeError('Invalid character in header field name: "' + name + '"')
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}
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return name.toLowerCase()
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}
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function normalizeValue(value) {
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if (typeof value !== 'string') {
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value = String(value);
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}
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return value
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}
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// Build a destructive iterator for the value list
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function iteratorFor(items) {
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var iterator = {
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next: function() {
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var value = items.shift();
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return {done: value === undefined, value: value}
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}
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};
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if (support.iterable) {
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iterator[Symbol.iterator] = function() {
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return iterator
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};
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}
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return iterator
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}
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function Headers(headers) {
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this.map = {};
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if (headers instanceof Headers) {
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headers.forEach(function(value, name) {
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this.append(name, value);
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}, this);
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} else if (Array.isArray(headers)) {
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headers.forEach(function(header) {
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this.append(header[0], header[1]);
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}, this);
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} else if (headers) {
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Object.getOwnPropertyNames(headers).forEach(function(name) {
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this.append(name, headers[name]);
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}, this);
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}
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}
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Headers.prototype.append = function(name, value) {
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name = normalizeName(name);
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value = normalizeValue(value);
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var oldValue = this.map[name];
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this.map[name] = oldValue ? oldValue + ', ' + value : value;
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};
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Headers.prototype['delete'] = function(name) {
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delete this.map[normalizeName(name)];
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};
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Headers.prototype.get = function(name) {
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name = normalizeName(name);
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return this.has(name) ? this.map[name] : null
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};
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Headers.prototype.has = function(name) {
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return this.map.hasOwnProperty(normalizeName(name))
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};
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Headers.prototype.set = function(name, value) {
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this.map[normalizeName(name)] = normalizeValue(value);
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};
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Headers.prototype.forEach = function(callback, thisArg) {
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for (var name in this.map) {
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if (this.map.hasOwnProperty(name)) {
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callback.call(thisArg, this.map[name], name, this);
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}
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}
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};
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Headers.prototype.keys = function() {
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var items = [];
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this.forEach(function(value, name) {
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items.push(name);
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});
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return iteratorFor(items)
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};
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Headers.prototype.values = function() {
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var items = [];
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this.forEach(function(value) {
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items.push(value);
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});
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return iteratorFor(items)
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};
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Headers.prototype.entries = function() {
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var items = [];
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this.forEach(function(value, name) {
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items.push([name, value]);
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});
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return iteratorFor(items)
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};
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if (support.iterable) {
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Headers.prototype[Symbol.iterator] = Headers.prototype.entries;
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}
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function consumed(body) {
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if (body.bodyUsed) {
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return Promise.reject(new TypeError('Already read'))
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}
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body.bodyUsed = true;
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}
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function fileReaderReady(reader) {
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return new Promise(function(resolve, reject) {
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reader.onload = function() {
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resolve(reader.result);
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};
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reader.onerror = function() {
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reject(reader.error);
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};
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})
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}
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function readBlobAsArrayBuffer(blob) {
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var reader = new FileReader();
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var promise = fileReaderReady(reader);
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reader.readAsArrayBuffer(blob);
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return promise
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}
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function readBlobAsText(blob) {
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var reader = new FileReader();
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var promise = fileReaderReady(reader);
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reader.readAsText(blob);
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return promise
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}
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function readArrayBufferAsText(buf) {
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var view = new Uint8Array(buf);
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var chars = new Array(view.length);
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for (var i = 0; i < view.length; i++) {
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chars[i] = String.fromCharCode(view[i]);
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}
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return chars.join('')
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}
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function bufferClone(buf) {
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if (buf.slice) {
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return buf.slice(0)
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} else {
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var view = new Uint8Array(buf.byteLength);
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view.set(new Uint8Array(buf));
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return view.buffer
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}
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}
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function Body() {
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this.bodyUsed = false;
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this._initBody = function(body) {
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/*
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fetch-mock wraps the Response object in an ES6 Proxy to
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provide useful test harness features such as flush. However, on
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ES5 browsers without fetch or Proxy support pollyfills must be used;
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the proxy-pollyfill is unable to proxy an attribute unless it exists
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on the object before the Proxy is created. This change ensures
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Response.bodyUsed exists on the instance, while maintaining the
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semantic of setting Request.bodyUsed in the constructor before
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_initBody is called.
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*/
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this.bodyUsed = this.bodyUsed;
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this._bodyInit = body;
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if (!body) {
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this._bodyText = '';
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} else if (typeof body === 'string') {
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this._bodyText = body;
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} else if (support.blob && Blob.prototype.isPrototypeOf(body)) {
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this._bodyBlob = body;
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} else if (support.formData && FormData.prototype.isPrototypeOf(body)) {
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this._bodyFormData = body;
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} else if (support.searchParams && URLSearchParams.prototype.isPrototypeOf(body)) {
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this._bodyText = body.toString();
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} else if (support.arrayBuffer && support.blob && isDataView(body)) {
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this._bodyArrayBuffer = bufferClone(body.buffer);
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// IE 10-11 can't handle a DataView body.
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this._bodyInit = new Blob([this._bodyArrayBuffer]);
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} else if (support.arrayBuffer && (ArrayBuffer.prototype.isPrototypeOf(body) || isArrayBufferView(body))) {
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this._bodyArrayBuffer = bufferClone(body);
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} else {
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this._bodyText = body = Object.prototype.toString.call(body);
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}
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if (!this.headers.get('content-type')) {
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if (typeof body === 'string') {
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this.headers.set('content-type', 'text/plain;charset=UTF-8');
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} else if (this._bodyBlob && this._bodyBlob.type) {
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this.headers.set('content-type', this._bodyBlob.type);
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} else if (support.searchParams && URLSearchParams.prototype.isPrototypeOf(body)) {
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this.headers.set('content-type', 'application/x-www-form-urlencoded;charset=UTF-8');
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}
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}
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};
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if (support.blob) {
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this.blob = function() {
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var rejected = consumed(this);
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if (rejected) {
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return rejected
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}
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if (this._bodyBlob) {
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return Promise.resolve(this._bodyBlob)
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} else if (this._bodyArrayBuffer) {
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return Promise.resolve(new Blob([this._bodyArrayBuffer]))
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} else if (this._bodyFormData) {
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throw new Error('could not read FormData body as blob')
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} else {
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return Promise.resolve(new Blob([this._bodyText]))
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}
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};
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this.arrayBuffer = function() {
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if (this._bodyArrayBuffer) {
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var isConsumed = consumed(this);
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if (isConsumed) {
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return isConsumed
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}
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if (ArrayBuffer.isView(this._bodyArrayBuffer)) {
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return Promise.resolve(
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this._bodyArrayBuffer.buffer.slice(
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this._bodyArrayBuffer.byteOffset,
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this._bodyArrayBuffer.byteOffset + this._bodyArrayBuffer.byteLength
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)
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)
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} else {
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return Promise.resolve(this._bodyArrayBuffer)
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}
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} else {
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return this.blob().then(readBlobAsArrayBuffer)
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}
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};
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}
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this.text = function() {
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var rejected = consumed(this);
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if (rejected) {
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return rejected
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}
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if (this._bodyBlob) {
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return readBlobAsText(this._bodyBlob)
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} else if (this._bodyArrayBuffer) {
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return Promise.resolve(readArrayBufferAsText(this._bodyArrayBuffer))
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} else if (this._bodyFormData) {
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throw new Error('could not read FormData body as text')
|
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} else {
|
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return Promise.resolve(this._bodyText)
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}
|
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|
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};
|
||
|
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if (support.formData) {
|
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|
|
this.formData = function() {
|
||
|
|
return this.text().then(decode)
|
||
|
|
};
|
||
|
|
}
|
||
|
|
|
||
|
|
this.json = function() {
|
||
|
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return this.text().then(JSON.parse)
|
||
|
|
};
|
||
|
|
|
||
|
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return this
|
||
|
|
}
|
||
|
|
|
||
|
|
// HTTP methods whose capitalization should be normalized
|
||
|
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var methods = ['DELETE', 'GET', 'HEAD', 'OPTIONS', 'POST', 'PUT'];
|
||
|
|
|
||
|
|
function normalizeMethod(method) {
|
||
|
|
var upcased = method.toUpperCase();
|
||
|
|
return methods.indexOf(upcased) > -1 ? upcased : method
|
||
|
|
}
|
||
|
|
|
||
|
|
function Request(input, options) {
|
||
|
|
if (!(this instanceof Request)) {
|
||
|
|
throw new TypeError('Please use the "new" operator, this DOM object constructor cannot be called as a function.')
|
||
|
|
}
|
||
|
|
|
||
|
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options = options || {};
|
||
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var body = options.body;
|
||
|
|
|
||
|
|
if (input instanceof Request) {
|
||
|
|
if (input.bodyUsed) {
|
||
|
|
throw new TypeError('Already read')
|
||
|
|
}
|
||
|
|
this.url = input.url;
|
||
|
|
this.credentials = input.credentials;
|
||
|
|
if (!options.headers) {
|
||
|
|
this.headers = new Headers(input.headers);
|
||
|
|
}
|
||
|
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this.method = input.method;
|
||
|
|
this.mode = input.mode;
|
||
|
|
this.signal = input.signal;
|
||
|
|
if (!body && input._bodyInit != null) {
|
||
|
|
body = input._bodyInit;
|
||
|
|
input.bodyUsed = true;
|
||
|
|
}
|
||
|
|
} else {
|
||
|
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this.url = String(input);
|
||
|
|
}
|
||
|
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|
||
|
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this.credentials = options.credentials || this.credentials || 'same-origin';
|
||
|
|
if (options.headers || !this.headers) {
|
||
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|
this.headers = new Headers(options.headers);
|
||
|
|
}
|
||
|
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this.method = normalizeMethod(options.method || this.method || 'GET');
|
||
|
|
this.mode = options.mode || this.mode || null;
|
||
|
|
this.signal = options.signal || this.signal;
|
||
|
|
this.referrer = null;
|
||
|
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|
||
|
|
if ((this.method === 'GET' || this.method === 'HEAD') && body) {
|
||
|
|
throw new TypeError('Body not allowed for GET or HEAD requests')
|
||
|
|
}
|
||
|
|
this._initBody(body);
|
||
|
|
|
||
|
|
if (this.method === 'GET' || this.method === 'HEAD') {
|
||
|
|
if (options.cache === 'no-store' || options.cache === 'no-cache') {
|
||
|
|
// Search for a '_' parameter in the query string
|
||
|
|
var reParamSearch = /([?&])_=[^&]*/;
|
||
|
|
if (reParamSearch.test(this.url)) {
|
||
|
|
// If it already exists then set the value with the current time
|
||
|
|
this.url = this.url.replace(reParamSearch, '$1_=' + new Date().getTime());
|
||
|
|
} else {
|
||
|
|
// Otherwise add a new '_' parameter to the end with the current time
|
||
|
|
var reQueryString = /\?/;
|
||
|
|
this.url += (reQueryString.test(this.url) ? '&' : '?') + '_=' + new Date().getTime();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
Request.prototype.clone = function() {
|
||
|
|
return new Request(this, {body: this._bodyInit})
|
||
|
|
};
|
||
|
|
|
||
|
|
function decode(body) {
|
||
|
|
var form = new FormData();
|
||
|
|
body
|
||
|
|
.trim()
|
||
|
|
.split('&')
|
||
|
|
.forEach(function(bytes) {
|
||
|
|
if (bytes) {
|
||
|
|
var split = bytes.split('=');
|
||
|
|
var name = split.shift().replace(/\+/g, ' ');
|
||
|
|
var value = split.join('=').replace(/\+/g, ' ');
|
||
|
|
form.append(decodeURIComponent(name), decodeURIComponent(value));
|
||
|
|
}
|
||
|
|
});
|
||
|
|
return form
|
||
|
|
}
|
||
|
|
|
||
|
|
function parseHeaders(rawHeaders) {
|
||
|
|
var headers = new Headers();
|
||
|
|
// Replace instances of \r\n and \n followed by at least one space or horizontal tab with a space
|
||
|
|
// https://tools.ietf.org/html/rfc7230#section-3.2
|
||
|
|
var preProcessedHeaders = rawHeaders.replace(/\r?\n[\t ]+/g, ' ');
|
||
|
|
// Avoiding split via regex to work around a common IE11 bug with the core-js 3.6.0 regex polyfill
|
||
|
|
// https://github.com/github/fetch/issues/748
|
||
|
|
// https://github.com/zloirock/core-js/issues/751
|
||
|
|
preProcessedHeaders
|
||
|
|
.split('\r')
|
||
|
|
.map(function(header) {
|
||
|
|
return header.indexOf('\n') === 0 ? header.substr(1, header.length) : header
|
||
|
|
})
|
||
|
|
.forEach(function(line) {
|
||
|
|
var parts = line.split(':');
|
||
|
|
var key = parts.shift().trim();
|
||
|
|
if (key) {
|
||
|
|
var value = parts.join(':').trim();
|
||
|
|
headers.append(key, value);
|
||
|
|
}
|
||
|
|
});
|
||
|
|
return headers
|
||
|
|
}
|
||
|
|
|
||
|
|
Body.call(Request.prototype);
|
||
|
|
|
||
|
|
function Response(bodyInit, options) {
|
||
|
|
if (!(this instanceof Response)) {
|
||
|
|
throw new TypeError('Please use the "new" operator, this DOM object constructor cannot be called as a function.')
|
||
|
|
}
|
||
|
|
if (!options) {
|
||
|
|
options = {};
|
||
|
|
}
|
||
|
|
|
||
|
|
this.type = 'default';
|
||
|
|
this.status = options.status === undefined ? 200 : options.status;
|
||
|
|
this.ok = this.status >= 200 && this.status < 300;
|
||
|
|
this.statusText = options.statusText === undefined ? '' : '' + options.statusText;
|
||
|
|
this.headers = new Headers(options.headers);
|
||
|
|
this.url = options.url || '';
|
||
|
|
this._initBody(bodyInit);
|
||
|
|
}
|
||
|
|
|
||
|
|
Body.call(Response.prototype);
|
||
|
|
|
||
|
|
Response.prototype.clone = function() {
|
||
|
|
return new Response(this._bodyInit, {
|
||
|
|
status: this.status,
|
||
|
|
statusText: this.statusText,
|
||
|
|
headers: new Headers(this.headers),
|
||
|
|
url: this.url
|
||
|
|
})
|
||
|
|
};
|
||
|
|
|
||
|
|
Response.error = function() {
|
||
|
|
var response = new Response(null, {status: 0, statusText: ''});
|
||
|
|
response.type = 'error';
|
||
|
|
return response
|
||
|
|
};
|
||
|
|
|
||
|
|
var redirectStatuses = [301, 302, 303, 307, 308];
|
||
|
|
|
||
|
|
Response.redirect = function(url, status) {
|
||
|
|
if (redirectStatuses.indexOf(status) === -1) {
|
||
|
|
throw new RangeError('Invalid status code')
|
||
|
|
}
|
||
|
|
|
||
|
|
return new Response(null, {status: status, headers: {location: url}})
|
||
|
|
};
|
||
|
|
|
||
|
|
exports.DOMException = global.DOMException;
|
||
|
|
try {
|
||
|
|
new exports.DOMException();
|
||
|
|
} catch (err) {
|
||
|
|
exports.DOMException = function(message, name) {
|
||
|
|
this.message = message;
|
||
|
|
this.name = name;
|
||
|
|
var error = Error(message);
|
||
|
|
this.stack = error.stack;
|
||
|
|
};
|
||
|
|
exports.DOMException.prototype = Object.create(Error.prototype);
|
||
|
|
exports.DOMException.prototype.constructor = exports.DOMException;
|
||
|
|
}
|
||
|
|
|
||
|
|
function fetch(input, init) {
|
||
|
|
return new Promise(function(resolve, reject) {
|
||
|
|
var request = new Request(input, init);
|
||
|
|
|
||
|
|
if (request.signal && request.signal.aborted) {
|
||
|
|
return reject(new exports.DOMException('Aborted', 'AbortError'))
|
||
|
|
}
|
||
|
|
|
||
|
|
var xhr = new XMLHttpRequest();
|
||
|
|
|
||
|
|
function abortXhr() {
|
||
|
|
xhr.abort();
|
||
|
|
}
|
||
|
|
|
||
|
|
xhr.onload = function() {
|
||
|
|
var options = {
|
||
|
|
status: xhr.status,
|
||
|
|
statusText: xhr.statusText,
|
||
|
|
headers: parseHeaders(xhr.getAllResponseHeaders() || '')
|
||
|
|
};
|
||
|
|
options.url = 'responseURL' in xhr ? xhr.responseURL : options.headers.get('X-Request-URL');
|
||
|
|
var body = 'response' in xhr ? xhr.response : xhr.responseText;
|
||
|
|
setTimeout(function() {
|
||
|
|
resolve(new Response(body, options));
|
||
|
|
}, 0);
|
||
|
|
};
|
||
|
|
|
||
|
|
xhr.onerror = function() {
|
||
|
|
setTimeout(function() {
|
||
|
|
reject(new TypeError('Network request failed'));
|
||
|
|
}, 0);
|
||
|
|
};
|
||
|
|
|
||
|
|
xhr.ontimeout = function() {
|
||
|
|
setTimeout(function() {
|
||
|
|
reject(new TypeError('Network request failed'));
|
||
|
|
}, 0);
|
||
|
|
};
|
||
|
|
|
||
|
|
xhr.onabort = function() {
|
||
|
|
setTimeout(function() {
|
||
|
|
reject(new exports.DOMException('Aborted', 'AbortError'));
|
||
|
|
}, 0);
|
||
|
|
};
|
||
|
|
|
||
|
|
function fixUrl(url) {
|
||
|
|
try {
|
||
|
|
return url === '' && global.location.href ? global.location.href : url
|
||
|
|
} catch (e) {
|
||
|
|
return url
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
xhr.open(request.method, fixUrl(request.url), true);
|
||
|
|
|
||
|
|
if (request.credentials === 'include') {
|
||
|
|
xhr.withCredentials = true;
|
||
|
|
} else if (request.credentials === 'omit') {
|
||
|
|
xhr.withCredentials = false;
|
||
|
|
}
|
||
|
|
|
||
|
|
if ('responseType' in xhr) {
|
||
|
|
if (support.blob) {
|
||
|
|
xhr.responseType = 'blob';
|
||
|
|
} else if (
|
||
|
|
support.arrayBuffer &&
|
||
|
|
request.headers.get('Content-Type') &&
|
||
|
|
request.headers.get('Content-Type').indexOf('application/octet-stream') !== -1
|
||
|
|
) {
|
||
|
|
xhr.responseType = 'arraybuffer';
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if (init && typeof init.headers === 'object' && !(init.headers instanceof Headers)) {
|
||
|
|
Object.getOwnPropertyNames(init.headers).forEach(function(name) {
|
||
|
|
xhr.setRequestHeader(name, normalizeValue(init.headers[name]));
|
||
|
|
});
|
||
|
|
} else {
|
||
|
|
request.headers.forEach(function(value, name) {
|
||
|
|
xhr.setRequestHeader(name, value);
|
||
|
|
});
|
||
|
|
}
|
||
|
|
|
||
|
|
if (request.signal) {
|
||
|
|
request.signal.addEventListener('abort', abortXhr);
|
||
|
|
|
||
|
|
xhr.onreadystatechange = function() {
|
||
|
|
// DONE (success or failure)
|
||
|
|
if (xhr.readyState === 4) {
|
||
|
|
request.signal.removeEventListener('abort', abortXhr);
|
||
|
|
}
|
||
|
|
};
|
||
|
|
}
|
||
|
|
|
||
|
|
xhr.send(typeof request._bodyInit === 'undefined' ? null : request._bodyInit);
|
||
|
|
})
|
||
|
|
}
|
||
|
|
|
||
|
|
fetch.polyfill = true;
|
||
|
|
|
||
|
|
if (!global.fetch) {
|
||
|
|
global.fetch = fetch;
|
||
|
|
global.Headers = Headers;
|
||
|
|
global.Request = Request;
|
||
|
|
global.Response = Response;
|
||
|
|
}
|
||
|
|
|
||
|
|
exports.Headers = Headers;
|
||
|
|
exports.Request = Request;
|
||
|
|
exports.Response = Response;
|
||
|
|
exports.fetch = fetch;
|
||
|
|
|
||
|
|
Object.defineProperty(exports, '__esModule', { value: true });
|
||
|
|
|
||
|
|
})));
|