7 lines
10 KiB
JavaScript
7 lines
10 KiB
JavaScript
|
/** @license
|
||
|
|
* eventsource.js
|
||
|
|
* Available under MIT License (MIT)
|
||
|
|
* https://github.com/Yaffle/EventSource/
|
||
|
|
*/
|
||
|
|
!function(a){"use strict";function b(a,b,d,e,f){this._internal=new c(a,b,d,e,f)}function c(a,b,c,d,e){this.onStartCallback=b,this.onProgressCallback=c,this.onFinishCallback=d,this.thisArg=e,this.xhr=a,this.state=0,this.charOffset=0,this.offset=0,this.url="",this.withCredentials=!1,this.timeout=0}function d(){this._data={}}function e(){this._listeners=new d}function f(a){l(function(){throw a},0)}function g(a){this.type=a,this.target=void 0}function h(a,b){g.call(this,a),this.data=b.data,this.lastEventId=b.lastEventId}function i(a,b){e.call(this),this.onopen=void 0,this.onmessage=void 0,this.onerror=void 0,this.url="",this.readyState=t,this.withCredentials=!1,this._internal=new j(this,a,b)}function j(a,c,d){this.url=c.toString(),this.readyState=t,this.withCredentials=q&&void 0!=d&&Boolean(d.withCredentials),this.es=a,this.initialRetry=E(1e3,0),this.heartbeatTimeout=E(45e3,0),this.lastEventId="",this.retry=this.initialRetry,this.wasActivity=!1;var e=void 0!=d&&void 0!=d.Transport?d.Transport:r,f=new e;this.transport=new b(f,this.onStart,this.onProgress,this.onFinish,this),this.timeout=0,this.currentState=s,this.dataBuffer=[],this.lastEventIdBuffer="",this.eventTypeBuffer="",this.state=x,this.fieldStart=0,this.valueStart=0,this.es.url=this.url,this.es.readyState=this.readyState,this.es.withCredentials=this.withCredentials,this.onTimeout()}function k(){this.CONNECTING=t,this.OPEN=u,this.CLOSED=v}var l=a.setTimeout,m=a.clearTimeout,n=function(){};b.prototype.open=function(a,b){this._internal.open(a,b)},b.prototype.cancel=function(){this._internal.cancel()},c.prototype.onStart=function(){if(1===this.state){this.state=2;var a=0,b="",c=void 0;if("contentType"in this.xhr)a=200,b="OK",c=this.xhr.contentType;else try{a=this.xhr.status,b=this.xhr.statusText,c=this.xhr.getResponseHeader("Content-Type")}catch(d){a=0,b="",c=void 0}void 0==c&&(c=""),this.onStartCallback.call(this.thisArg,a,b,c)}},c.prototype.onProgress=function(){if(this.onStart(),2===this.state||3===this.state){this.state=3;var a="";try{a=this.xhr.responseText}catch(b){}for(var c=this.charOffset,d=a.length,e=this.offset;d>e;e+=1){var f=a.charCodeAt(e);(f==="\n".charCodeAt(0)||f==="\r".charCodeAt(0))&&(this.charOffset=e+1)}this.offset=d;var g=a.slice(c,this.charOffset);this.onProgressCallback.call(this.thisArg,g)}},c.prototype.onFinish=function(){this.onProgress(),3===this.state&&(this.state=4,0!==this.timeout&&(m(this.timeout),this.timeout=0),this.onFinishCallback.call(this.thisArg))},c.prototype.onReadyStateChange=function(){void 0!=this.xhr&&(4===this.xhr.readyState?0===this.xhr.status?this.onFinish():this.onFinish():3===this.xhr.readyState?this.onProgress():2===this.xhr.readyState)},c.prototype.onTimeout2=function(){this.timeout=0;var b=/^data\:([^,]*?)(base64)?,([\S]*)$/.exec(this.url),c=b[1],d="base64"===b[2]?a.atob(b[3]):decodeURIComponent(b[3]);1===this.state&&(this.state=2,this.onStartCallback.call(this.thisArg,200,"OK",c)),(2===this.state||3===this.state)&&(this.state=3,this.onProgressCallback.call(this.thisArg,d)),3===this.state&&(this.state=4,this.onFinishCallback.call(this.thisArg))},c.prototype.onTimeout1=function(){this.timeout=0,this.open(this.url,this.withCredentials)},c.prototype.onTimeout0=function(){var a=this;this.timeout=l(function(){a.onTimeout0()},500),3===this.xhr.readyState&&this.onProgress()},c.prototype.handleEvent=function(a){"load"===a.type?this.onFinish():"error"===a.type?this.onFinish():"abort"===a.type?this.onFinish():"progress"===a.type?this.onProgress():"readystatechange"===a.type&&this.onReadyStateChange()},c.prototype.open=function(b,c){0!==this.timeout&&(m(this.timeout),this.timeout=0),this.url=b,this.withCredentials=c,this.state=1,this.charOffset=0,this.offset=0;var d=this,e=/^data\:([^,]*?)(?:;base64)?,[\S]*$/.exec(b);if(void 0!=e)return void(this.timeout=l(function(){d.onTimeout2()},0));if((!("ontimeout"in this.xhr)||"sendAsBinary"in this.xhr||"mozAnon"in this.xhr)&&void 0!=a.document&&void 0!=a.document.readyState&&"complete"!==a.document.readyState)return void(this.timeout=l(function(){d.onTimeout1()},4));this.xhr.onload=functi
|