8 lines
7.1 KiB
JavaScript
8 lines
7.1 KiB
JavaScript
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/**
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* EventSource
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* https://github.com/Yaffle/EventSource
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*
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* Released under the MIT License (MIT)
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* https://github.com/Yaffle/EventSource/blob/master/LICENSE.md
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*/
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!function(a){"use strict";function b(a){this.withCredentials=!1,this.responseType="",this.readyState=0,this.status=0,this.statusText="",this.responseText="",this.onprogress=p,this.onreadystatechange=p,this._contentType="",this._xhr=a,this._sendTimeout=0,this._abort=p}function c(a){this._xhr=new b(a)}function d(){this._listeners=Object.create(null)}function e(a){j(function(){throw a},0)}function f(a){this.type=a,this.target=void 0}function g(a,b){f.call(this,a),this.data=b.data,this.lastEventId=b.lastEventId}function h(a,b){d.call(this),this.onopen=void 0,this.onmessage=void 0,this.onerror=void 0,this.url=void 0,this.readyState=void 0,this.withCredentials=void 0,this._close=void 0,i(this,a,b)}function i(a,b,d){b=String(b);var h=void 0!=d&&Boolean(d.withCredentials),i=D(1e3),n=D(45e3),o="",p=i,A=!1,B=void 0!=d&&void 0!=d.headers?JSON.parse(JSON.stringify(d.headers)):void 0,F=void 0!=d&&void 0!=d.Transport?d.Transport:void 0!=m?m:l,G=new c(new F),H=0,I=q,J="",K="",L="",M="",N=v,O=0,P=0,Q=function(b,c,d){if(I===r)if(200===b&&void 0!=d&&z.test(d)){I=s,A=!0,p=i,a.readyState=s;var g=new f("open");a.dispatchEvent(g),E(a,a.onopen,g)}else{var h="";200!==b?(c&&(c=c.replace(/\s+/g," ")),h="EventSource's response has a status "+b+" "+c+" that is not 200. Aborting the connection."):h="EventSource's response has a Content-Type specifying an unsupported type: "+(void 0==d?"-":d.replace(/\s+/g," "))+". Aborting the connection.",e(new Error(h)),T();var g=new f("error");a.dispatchEvent(g),E(a,a.onerror,g)}},R=function(b){if(I===s){for(var c=-1,d=0;d<b.length;d+=1){var e=b.charCodeAt(d);(e==="\n".charCodeAt(0)||e==="\r".charCodeAt(0))&&(c=d)}var f=(-1!==c?M:"")+b.slice(0,c+1);M=(-1===c?M:"")+b.slice(c+1),""!==f&&(A=!0);for(var h=0;h<f.length;h+=1){var e=f.charCodeAt(h);if(N===u&&e==="\n".charCodeAt(0))N=v;else if(N===u&&(N=v),e==="\r".charCodeAt(0)||e==="\n".charCodeAt(0)){if(N!==v){N===w&&(P=h+1);var l=f.slice(O,P-1),m=f.slice(P+(h>P&&f.charCodeAt(P)===" ".charCodeAt(0)?1:0),h);"data"===l?(J+="\n",J+=m):"id"===l?K=m:"event"===l?L=m:"retry"===l?(i=C(m,i),p=i):"heartbeatTimeout"===l&&(n=C(m,n),0!==H&&(k(H),H=j(function(){U()},n)))}if(N===v){if(""!==J){o=K,""===L&&(L="message");var q=new g(L,{data:J.slice(1),lastEventId:K});if(a.dispatchEvent(q),"message"===L&&E(a,a.onmessage,q),I===t)return}J="",L=""}N=e==="\r".charCodeAt(0)?u:v}else N===v&&(O=h,N=w),N===w?e===":".charCodeAt(0)&&(P=h+1,N=x):N===x&&(N=y)}}},S=function(){if(I===s||I===r){I=q,0!==H&&(k(H),H=0),H=j(function(){U()},p),p=D(Math.min(16*i,2*p)),a.readyState=r;var b=new f("error");a.dispatchEvent(b),E(a,a.onerror,b)}},T=function(){I=t,G.cancel(),0!==H&&(k(H),H=0),a.readyState=t},U=function(){if(H=0,I!==q)return void(A?(A=!1,H=j(function(){U()},n)):(e(new Error("No activity within "+n+" milliseconds. Reconnecting.")),G.cancel()));A=!1,H=j(function(){U()},n),I=r,J="",L="",K=o,M="",O=0,P=0,N=v;var a=b;"data:"!==b.slice(0,5)&&"blob:"!==b.slice(0,5)&&(a=b+(-1===b.indexOf("?",0)?"?":"&")+"lastEventId="+encodeURIComponent(o));var c={};if(c.Accept="text/event-stream",void 0!=B)for(var d in B)Object.prototype.hasOwnProperty.call(B,d)&&(c[d]=B[d]);try{G.open(Q,R,S,a,h,c)}catch(f){throw T(),f}};a.url=b,a.readyState=r,a.withCredentials=h,a._close=T,U()}var j=a.setTimeout,k=a.clearTimeout,l=a.XMLHttpRequest,m=a.XDomainRequest,n=a.EventSource,o=a.document;null==Object.create&&(Object.create=function(a){function b(){}return b.prototype=a,new b});var p=function(){};b.prototype.open=function(a,b){this._abort(!0);var c=this,d=this._xhr,e=1,f=0;this._abort=function(a){0!==c._sendTimeout&&(k(c._sendTimeout),c._sendTimeout=0),(1===e||2===e||3===e)&&(e=4,d.onload=p,d.onerror=p,d.onabort=p,d.onprogress=p,d.onreadystatechange=p,d.abort(),0!==f&&(k(f),f=0),a||(c.readyState=4,c.onreadystatechange())),e=0};var g=function(){if(1===e){var a=0,b="",f=void 0;if("contentType"in d)a=200,b="OK",f=d.contentType;else try{a=d.status,b=d.statusText,f=d.getResponseHeader("Content-Type")}catch(g){a=0,b="",f=void 0}0!==a&&(e=2,c.readyState=2,c.status=a,c.statusText=b,c._contentType=f,c.onreadystatechange())}},h=function(){
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