Function e

chapter18/docs/webtcp.min.js:22–22

(a)

"\ufffe":"\\ufffe","\uffff":"\\uffff"},r=/[\x00-\x1f\ud800-\udfff\ufffe\uffff\u0300-\u0333\u033d-\u0346\u034a-\u034c\u0350-\u0352\u0357-\u0358\u035c-\u0362\u0374\u037e\u0387\u0591-\u05af\u05c4\u0610-\u0617\u0653-\u0654\u0657-\u065b\u065d-\u065e\u06df-\u06e2\u06eb-\u06ec\u0730\u0732-\u0733\u0735-\u0736\u073a\u073d\u073f-\u0741\u0743\u0745\u0747\u07eb-\u07f1\u0951\u0958-\u095f\u09dc-\u09dd\u09df\u0a33\u0a36\u0a59-\u0a5b\u0a5e\u0b5c-\u0b5d\u0e38-\u0e39\u0f43\u0f4d\u0f52\u0f57\u0f5c\u0f69\u0f72-\u0f76\u0f78\u0f80-\u0f83\u0f93\u0f9d\u0fa2\u0fa7\u0fac\u0fb9\u1939-\u193a\u1a17\u1b6b\u1cda-\u1cdb\u1dc0-\u1dcf\u1dfc\u1dfe\u1f71\u1f73\u1f75\u1f77\u1f79\u1f7b\u1f7d\u1fbb\u1fbe\u1fc9\u1fcb\u1fd3\u1fdb\u1fe3\u1feb\u1fee-\u1fef\u1ff9\u1ffb\u1ffd\u2000-\u2001\u20d0-\u20d1\u20d4-\u20d7\u20e7-\u20e9\u2126\u212a-\u212b\u2329-\u232a\u2adc\u302b-\u302c\uaab2-\uaab3\uf900-\ufa0d\ufa10\ufa12\ufa15-\ufa1e\ufa20\ufa22\ufa25-\ufa26\ufa2a-\ufa2d\ufa30-\ufa6d\ufa70-\ufad9\ufb1d\ufb1f\ufb2a-\ufb36\ufb38-\ufb3c\ufb3e\ufb40-\ufb41\ufb43-\ufb44\ufb46-\ufb4e\ufff0-\uffff]/g,
B,M=JSON&&JSON.stringify||function(a){return v.lastIndex=0,v.test(a)&&(a=a.replace(v,function(a){return D[a]})),'"'+a+'"'};c.quote=function(a){a=M(a);r.lastIndex=0;if(r.test(a)){if(!B){var b,c={},d=[];for(b=0;65536>b;b++)d.push(String.fromCharCode(b));B=(r.lastIndex=0,d.join("").replace(r,function(a){return c[a]="\\u"+("0000"+a.charCodeAt(0).toString(16)).slice(-4),""}),r.lastIndex=0,c)}a=a.replace(r,function(a){return B[a]})}return a};var q="websocket xdr-streaming xhr-streaming iframe-eventsource iframe-htmlfile xdr-polling xhr-polling iframe-xhr-polling jsonp-polling".split(" ");
c.probeProtocols=function(){for(var a={},b=0;b<q.length;b++){var c=q[b];a[c]=e[c]&&e[c].enabled()}return a};c.detectProtocols=function(a,b,c){var d={},h=[];b||(b=q);for(var m=0;m<b.length;m++){var g=b[m];d[g]=a[g]}var e=function(a){var b=a.shift();d[b]?h.push(b):0<a.length&&e(a)};return!1!==c.websocket&&e(["websocket"]),d["xhr-streaming"]&&!c.null_origin?h.push("xhr-streaming"):d["xdr-streaming"]&&!c.cookie_needed&&!c.null_origin?h.push("xdr-streaming"):e(["iframe-eventsource","iframe-htmlfile"]),
d["xhr-polling"]&&!c.null_origin?h.push("xhr-polling"):d["xdr-polling"]&&!c.cookie_needed&&!c.null_origin?h.push("xdr-polling"):e(["iframe-xhr-polling","jsonp-polling"]),h};c.createHook=function(){var a="a"+c.random_string(8);if(!("_sockjs_global"in g)){var b={};g._sockjs_global=function(a){return a in b||(b[a]={id:a,del:function(){delete b[a]}}),b[a]}}return g._sockjs_global(a)};c.attachMessage=function(a){c.attachEvent("message",a)};c.attachEvent=function(a,b){"undefined"!=typeof g.addEventListener?
g.addEventListener(a,b,!1):(j.attachEvent("on"+a,b),g.attachEvent("on"+a,b))};c.detachMessage=function(a){c.detachEvent("message",a)};c.detachEvent=function(a,b){"undefined"!=typeof g.addEventListener?g.removeEventListener(a,b,!1):(j.detachEvent("on"+a,b),g.detachEvent("on"+a,b))};var t={},C=!1,x=function(){for(var a in t)t[a](),delete t[a]},i=function(){C||(C=!0,x())};c.attachEvent("beforeunload",i);c.attachEvent("unload",i);c.unload_add=function(a){var b=c.random_string(8);return t[b]=a,C&&c.delay(x),
b};c.unload_del=function(a){a in t&&delete t[a]};c.createIframe=function(a,b){var f=j.createElement("iframe"),d,h,m=function(){clearTimeout(d);try{f.onload=null}catch(a){}f.onerror=null},g=function(){f&&(m(),setTimeout(function(){f&&f.parentNode.removeChild(f);f=null},0),c.unload_del(h))};return f.src=a,f.style.display="none",f.style.position="absolute",f.onerror=function(){f&&(g(),b("onerror"))},f.onload=function(){clearTimeout(d);d=setTimeout(function(){f&&(g(),b("onload timeout"))},2E3)},j.body.appendChild(f),