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Sign upvar global = | |
(typeof globalThis !== 'undefined' && globalThis) || | |
(typeof self !== 'undefined' && self) || | |
(typeof global !== 'undefined' && global) | |
var support = { | |
searchParams: 'URLSearchParams' in global, | |
iterable: 'Symbol' in global && 'iterator' in Symbol, | |
blob: | |
'FileReader' in global && | |
'Blob' in global && | |
(function() { | |
try { | |
new Blob() | |
return true | |
} catch (e) { | |
return false | |
} | |
})(), | |
formData: 'FormData' in global, | |
arrayBuffer: 'ArrayBuffer' in global | |
} | |
function isDataView(obj) { | |
return obj && DataView.prototype.isPrototypeOf(obj) | |
} | |
if (support.arrayBuffer) { | |
var viewClasses = [ | |
'[object Int8Array]', | |
'[object Uint8Array]', | |
'[object Uint8ClampedArray]', | |
'[object Int16Array]', | |
'[object Uint16Array]', | |
'[object Int32Array]', | |
'[object Uint32Array]', | |
'[object Float32Array]', | |
'[object Float64Array]' | |
] | |
var isArrayBufferView = | |
ArrayBuffer.isView || | |
function(obj) { | |
return obj && viewClasses.indexOf(Object.prototype.toString.call(obj)) > -1 | |
} | |
} | |
function normalizeName(name) { | |
if (typeof name !== 'string') { | |
name = String(name) | |
} | |
if (/[^a-z0-9\-#$%&'*+.^_`|~!]/i.test(name) || name === '') { | |
throw new TypeError('Invalid character in header field name') | |
} | |
return name.toLowerCase() | |
} | |
function normalizeValue(value) { | |
if (typeof value !== 'string') { | |
value = String(value) | |
} | |
return value | |
} | |
// Build a destructive iterator for the value list | |
function iteratorFor(items) { | |
var iterator = { | |
next: function() { | |
var value = items.shift() | |
return {done: value === undefined, value: value} | |
} | |
} | |
if (support.iterable) { | |
iterator[Symbol.iterator] = function() { | |
return iterator | |
} | |
} | |
return iterator | |
} | |
export function Headers(headers) { | |
this.map = {} | |
if (headers instanceof Headers) { | |
headers.forEach(function(value, name) { | |
this.append(name, value) | |
}, this) | |
} else if (Array.isArray(headers)) { | |
headers.forEach(function(header) { | |
this.append(header[0], header[1]) | |
}, this) | |
} else if (headers) { | |
Object.getOwnPropertyNames(headers).forEach(function(name) { | |
this.append(name, headers[name]) | |
}, this) | |
} | |
} | |
Headers.prototype.append = function(name, value) { | |
name = normalizeName(name) | |
value = normalizeValue(value) | |
var oldValue = this.map[name] | |
this.map[name] = oldValue ? oldValue + ', ' + value : value | |
} | |
Headers.prototype['delete'] = function(name) { | |
delete this.map[normalizeName(name)] | |
} | |
Headers.prototype.get = function(name) { | |
name = normalizeName(name) | |
return this.has(name) ? this.map[name] : null | |
} | |
Headers.prototype.has = function(name) { | |
return this.map.hasOwnProperty(normalizeName(name)) | |
} | |
Headers.prototype.set = function(name, value) { | |
this.map[normalizeName(name)] = normalizeValue(value) | |
} | |
Headers.prototype.forEach = function(callback, thisArg) { | |
for (var name in this.map) { | |
if (this.map.hasOwnProperty(name)) { | |
callback.call(thisArg, this.map[name], name, this) | |
} | |
} | |
} | |
Headers.prototype.keys = function() { | |
var items = [] | |
this.forEach(function(value, name) { | |
items.push(name) | |
}) | |
return iteratorFor(items) | |
} | |
Headers.prototype.values = function() { | |
var items = [] | |
this.forEach(function(value) { | |
items.push(value) | |
}) | |
return iteratorFor(items) | |
} | |
Headers.prototype.entries = function() { | |
var items = [] | |
this.forEach(function(value, name) { | |
items.push([name, value]) | |
}) | |
return iteratorFor(items) | |
} | |
if (support.iterable) { | |
Headers.prototype[Symbol.iterator] = Headers.prototype.entries | |
} | |
function consumed(body) { | |
if (body.bodyUsed) { | |
return Promise.reject(new TypeError('Already read')) | |
} | |
body.bodyUsed = true | |
} | |
function fileReaderReady(reader) { | |
return new Promise(function(resolve, reject) { | |
reader.onload = function() { | |
resolve(reader.result) | |
} | |
reader.onerror = function() { | |
reject(reader.error) | |
} | |
}) | |
} | |
function readBlobAsArrayBuffer(blob) { | |
var reader = new FileReader() | |
var promise = fileReaderReady(reader) | |
reader.readAsArrayBuffer(blob) | |
return promise | |
} | |
function readBlobAsText(blob) { | |
var reader = new FileReader() | |
var promise = fileReaderReady(reader) | |
reader.readAsText(blob) | |
return promise | |
} | |
function readArrayBufferAsText(buf) { | |
var view = new Uint8Array(buf) | |
var chars = new Array(view.length) | |
for (var i = 0; i < view.length; i++) { | |
chars[i] = String.fromCharCode(view[i]) | |
} | |
return chars.join('') | |
} | |
function bufferClone(buf) { | |
if (buf.slice) { | |
return buf.slice(0) | |
} else { | |
var view = new Uint8Array(buf.byteLength) | |
view.set(new Uint8Array(buf)) | |
return view.buffer | |
} | |
} | |
function Body() { | |
this.bodyUsed = false | |
this._initBody = function(body) { | |
/* | |
fetch-mock wraps the Response object in an ES6 Proxy to | |
provide useful test harness features such as flush. However, on | |
ES5 browsers without fetch or Proxy support pollyfills must be used; | |
the proxy-pollyfill is unable to proxy an attribute unless it exists | |
on the object before the Proxy is created. This change ensures | |
Response.bodyUsed exists on the instance, while maintaining the | |
semantic of setting Request.bodyUsed in the constructor before | |
_initBody is called. | |
*/ | |
this.bodyUsed = this.bodyUsed | |
this._bodyInit = body | |
if (!body) { | |
this._bodyText = '' | |
} else if (typeof body === 'string') { | |
this._bodyText = body | |
} else if (support.blob && Blob.prototype.isPrototypeOf(body)) { | |
this._bodyBlob = body | |
} else if (support.formData && FormData.prototype.isPrototypeOf(body)) { | |
this._bodyFormData = body | |
} else if (support.searchParams && URLSearchParams.prototype.isPrototypeOf(body)) { | |
this._bodyText = body.toString() | |
} else if (support.arrayBuffer && support.blob && isDataView(body)) { | |
this._bodyArrayBuffer = bufferClone(body.buffer) | |
// IE 10-11 can't handle a DataView body. | |
this._bodyInit = new Blob([this._bodyArrayBuffer]) | |
} else if (support.arrayBuffer && (ArrayBuffer.prototype.isPrototypeOf(body) || isArrayBufferView(body))) { | |
this._bodyArrayBuffer = bufferClone(body) | |
} else { | |
this._bodyText = body = Object.prototype.toString.call(body) | |
} | |
if (!this.headers.get('content-type')) { | |
if (typeof body === 'string') { | |
this.headers.set('content-type', 'text/plain;charset=UTF-8') | |
} else if (this._bodyBlob && this._bodyBlob.type) { | |
this.headers.set('content-type', this._bodyBlob.type) | |
} else if (support.searchParams && URLSearchParams.prototype.isPrototypeOf(body)) { | |
this.headers.set('content-type', 'application/x-www-form-urlencoded;charset=UTF-8') | |
} | |
} | |
} | |
if (support.blob) { | |
this.blob = function() { | |
var rejected = consumed(this) | |
if (rejected) { | |
return rejected | |
} | |
if (this._bodyBlob) { | |
return Promise.resolve(this._bodyBlob) | |
} else if (this._bodyArrayBuffer) { | |
return Promise.resolve(new Blob([this._bodyArrayBuffer])) | |
} else if (this._bodyFormData) { | |
throw new Error('could not read FormData body as blob') | |
} else { | |
return Promise.resolve(new Blob([this._bodyText])) | |
} | |
} | |
this.arrayBuffer = function() { | |
if (this._bodyArrayBuffer) { | |
var isConsumed = consumed(this) | |
if (isConsumed) { | |
return isConsumed | |
} | |
if (ArrayBuffer.isView(this._bodyArrayBuffer)) { | |
return Promise.resolve( | |
this._bodyArrayBuffer.buffer.slice( | |
this._bodyArrayBuffer.byteOffset, | |
this._bodyArrayBuffer.byteOffset + this._bodyArrayBuffer.byteLength | |
) | |
) | |
} else { | |
return Promise.resolve(this._bodyArrayBuffer) | |
} | |
} else { | |
return this.blob().then(readBlobAsArrayBuffer) | |
} | |
} | |
} | |
this.text = function() { | |
var rejected = consumed(this) | |
if (rejected) { | |
return rejected | |
} | |
if (this._bodyBlob) { | |
return readBlobAsText(this._bodyBlob) | |
} else if (this._bodyArrayBuffer) { | |
return Promise.resolve(readArrayBufferAsText(this._bodyArrayBuffer)) | |
} else if (this._bodyFormData) { | |
throw new Error('could not read FormData body as text') | |
} else { | |
return Promise.resolve(this._bodyText) | |
} | |
} | |
if (support.formData) { | |
this.formData = function() { | |
return this.text().then(decode) | |
} | |
} | |
this.json = function() { | |
return this.text().then(JSON.parse) | |
} | |
return this | |
} | |
// HTTP methods whose capitalization should be normalized | |
var methods = ['DELETE', 'GET', 'HEAD', 'OPTIONS', 'POST', 'PUT'] | |
function normalizeMethod(method) { | |
var upcased = method.toUpperCase() | |
return methods.indexOf(upcased) > -1 ? upcased : method | |
} | |
export 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.') | |
} | |
options = options || {} | |
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) | |
} | |
this.method = input.method | |
this.mode = input.mode | |
this.signal = input.signal | |
if (!body && input._bodyInit != null) { | |
body = input._bodyInit | |
input.bodyUsed = true | |
} | |
} else { | |
this.url = String(input) | |
} | |
this.credentials = options.credentials || this.credentials || 'same-origin' | |
if (options.headers || !this.headers) { | |
this.headers = new Headers(options.headers) | |
} | |
this.method = normalizeMethod(options.method || this.method || 'GET') | |
this.mode = options.mode || this.mode || null | |
this.signal = options.signal || this.signal | |
this.referrer = null | |
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) | |
export 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 = 'statusText' in options ? 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}}) | |
} | |
export var DOMException = global.DOMException | |
try { | |
new DOMException() | |
} catch (err) { | |
DOMException = function(message, name) { | |
this.message = message | |
this.name = name | |
var error = Error(message) | |
this.stack = error.stack | |
} | |
DOMException.prototype = Object.create(Error.prototype) | |
DOMException.prototype.constructor = DOMException | |
} | |
export 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 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 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 | |
} |