39 lines
8.3 KiB
JavaScript
39 lines
8.3 KiB
JavaScript
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/*
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Copyright (c) 2014-2016 GitHub, Inc.
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Permission is hereby granted, free of charge, to any person obtaining
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a copy of this software and associated documentation files (the
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"Software"), to deal in the Software without restriction, including
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without limitation the rights to use, copy, modify, merge, publish,
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distribute, sublicense, and/or sell copies of the Software, and to
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permit persons to whom the Software is furnished to do so, subject to
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the following conditions:
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The above copyright notice and this permission notice shall be
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included in all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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(function(self){if(self.fetch)return;function normalizeName(name){if(typeof name!=="string")name=String(name);if(/[^a-z0-9\-#$%&'*+.\^_`|~]/i.test(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}function Headers(headers){this.map={};if(headers instanceof Headers)headers.forEach(function(value,name){this.append(name,value)},this);else if(headers)Object.getOwnPropertyNames(headers).forEach(function(name){this.append(name,
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headers[name])},this)}Headers.prototype.append=function(name,value){name=normalizeName(name);value=normalizeValue(value);var list=this.map[name];if(!list){list=[];this.map[name]=list}list.push(value)};Headers.prototype["delete"]=function(name){delete this.map[normalizeName(name)]};Headers.prototype.get=function(name){var values=this.map[normalizeName(name)];return values?values[0]:null};Headers.prototype.getAll=function(name){return this.map[normalizeName(name)]||[]};Headers.prototype.has=function(name){return this.map.hasOwnProperty(normalizeName(name))};
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Headers.prototype.set=function(name,value){this.map[normalizeName(name)]=[normalizeValue(value)]};Headers.prototype.forEach=function(callback,thisArg){Object.getOwnPropertyNames(this.map).forEach(function(name){this.map[name].forEach(function(value){callback.call(thisArg,value,name,this)},this)},this)};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=
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function(){resolve(reader.result)};reader.onerror=function(){reject(reader.error)}})}function readBlobAsArrayBuffer(blob){var reader=new FileReader;reader.readAsArrayBuffer(blob);return fileReaderReady(reader)}function readBlobAsText(blob){var reader=new FileReader;reader.readAsText(blob);return fileReaderReady(reader)}var support={blob:"FileReader"in self&&"Blob"in self&&function(){try{new Blob;return true}catch(e){return false}}(),formData:"FormData"in self,arrayBuffer:"ArrayBuffer"in self};function Body(){this.bodyUsed=
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false;this._initBody=function(body){this._bodyInit=body;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(!body)this._bodyText="";else if(support.arrayBuffer&&ArrayBuffer.prototype.isPrototypeOf(body));else throw new Error("unsupported BodyInit type");if(!this.headers.get("content-type"))if(typeof body==="string")this.headers.set("content-type",
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"text/plain;charset=UTF-8");else if(this._bodyBlob&&this._bodyBlob.type)this.headers.set("content-type",this._bodyBlob.type)};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._bodyFormData)throw new Error("could not read FormData body as blob");else return Promise.resolve(new Blob([this._bodyText]))};this.arrayBuffer=function(){return this.blob().then(readBlobAsArrayBuffer)};this.text=
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function(){var rejected=consumed(this);if(rejected)return rejected;if(this._bodyBlob)return readBlobAsText(this._bodyBlob);else if(this._bodyFormData)throw new Error("could not read FormData body as text");else return Promise.resolve(this._bodyText)}}else this.text=function(){var rejected=consumed(this);return rejected?rejected: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}
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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){options=options||{};var body=options.body;if(Request.prototype.isPrototypeOf(input)){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;
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if(!body){body=input._bodyInit;input.bodyUsed=true}}else this.url=input;this.credentials=options.credentials||this.credentials||"omit";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.referrer=null;if((this.method==="GET"||this.method==="HEAD")&&body)throw new TypeError("Body not allowed for GET or HEAD requests");this._initBody(body)}Request.prototype.clone=function(){return new Request(this)};
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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 headers(xhr){var head=new Headers;var pairs=xhr.getAllResponseHeaders().trim().split("\n");pairs.forEach(function(header){var split=header.trim().split(":");var key=split.shift().trim();var value=split.join(":").trim();
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head.append(key,value)});return head}Body.call(Request.prototype);function Response(bodyInit,options){if(!options)options={};this.type="default";this.status=options.status;this.ok=this.status>=200&&this.status<300;this.statusText=options.statusText;this.headers=options.headers instanceof Headers?options.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,
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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}})};self.Headers=Headers;self.Request=Request;self.Response=Response;self.fetch=
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function(input,init){return new Promise(function(resolve,reject){var request;if(Request.prototype.isPrototypeOf(input)&&!init)request=input;else request=new Request(input,init);var xhr=new XMLHttpRequest;function responseURL(){if("responseURL"in xhr)return xhr.responseURL;if(/^X-Request-URL:/m.test(xhr.getAllResponseHeaders()))return xhr.getResponseHeader("X-Request-URL");return}xhr.onload=function(){var status=xhr.status===1223?204:xhr.status;if(status<100||status>599){reject(new TypeError("Network request failed"));
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return}var options={status:status,statusText:xhr.statusText,headers:headers(xhr),url:responseURL()};var body="response"in xhr?xhr.response:xhr.responseText;resolve(new Response(body,options))};xhr.onerror=function(){reject(new TypeError("Network request failed"))};xhr.open(request.method,request.url,true);if(request.credentials==="include")xhr.withCredentials=true;if("responseType"in xhr&&support.blob)xhr.responseType="blob";request.headers.forEach(function(value,name){xhr.setRequestHeader(name,value)});
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xhr.send(typeof request._bodyInit==="undefined"?null:request._bodyInit)})};self.fetch.polyfill=true})(typeof self!=="undefined"?self:this);
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