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canvasing/node_modules/@firebase/webchannel-wrapper/dist/index.esm2017.js

index.esm2017.js 42KB
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  1. var commonjsGlobal = typeof globalThis !== 'undefined' ? globalThis : typeof window !== 'undefined' ? window : typeof global !== 'undefined' ? global : typeof self !== 'undefined' ? self : {};

  2. 

  3. var esm = {};

  4. 

  5. /*

  6. 

  7.  Copyright The Closure Library Authors.

  8.  SPDX-License-Identifier: Apache-2.0

  9. */

  10. 

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  64. this.L);try{pd(this),0<this.B&&((this.K=qd(this.g))?(this.g.timeout=this.B,this.g.ontimeout=q(this.qa,this)):this.A=Ab(this.qa,this.B,this)),this.v=!0,this.g.send(a),this.v=!1;}catch(f){od(this,f);}};function qd(a){return y&&Ia()&&"number"===typeof a.timeout&&void 0!==a.ontimeout}k.qa=function(){"undefined"!=typeof goog&&this.g&&(this.j="Timed out after "+this.B+"ms, aborting",this.m=8,C(this,"timeout"),this.abort(8));};

  65. function od(a,b){a.h=!1;a.g&&(a.l=!0,a.g.abort(),a.l=!1);a.j=b;a.m=5;rd(a);sd(a);}function rd(a){a.D||(a.D=!0,C(a,"complete"),C(a,"error"));}k.abort=function(a){this.g&&this.h&&(this.h=!1,this.l=!0,this.g.abort(),this.l=!1,this.m=a||7,C(this,"complete"),C(this,"abort"),sd(this));};k.M=function(){this.g&&(this.h&&(this.h=!1,this.l=!0,this.g.abort(),this.l=!1),sd(this,!0));W.X.M.call(this);};k.Ha=function(){this.s||(this.F||this.v||this.l?td(this):this.fb());};k.fb=function(){td(this);};

  66. function td(a){if(a.h&&"undefined"!=typeof goog&&(!a.C[1]||4!=O(a)||2!=a.aa()))if(a.v&&4==O(a))Ab(a.Ha,0,a);else if(C(a,"readystatechange"),4==O(a)){a.h=!1;try{const n=a.aa();a:switch(n){case 200:case 201:case 202:case 204:case 206:case 304:case 1223:var b=!0;break a;default:b=!1;}var c;if(!(c=b)){var d;if(d=0===n){var e=String(a.H).match(Ec)[1]||null;if(!e&&l.self&&l.self.location){var f=l.self.location.protocol;e=f.substr(0,f.length-1);}d=!md.test(e?e.toLowerCase():"");}c=d;}if(c)C(a,"complete"),C(a,

  67. "success");else {a.m=6;try{var h=2<O(a)?a.g.statusText:"";}catch(u){h="";}a.j=h+" ["+a.aa()+"]";rd(a);}}finally{sd(a);}}}function sd(a,b){if(a.g){pd(a);const c=a.g,d=a.C[0]?aa:null;a.g=null;a.C=null;b||C(a,"ready");try{c.onreadystatechange=d;}catch(e){}}}function pd(a){a.g&&a.K&&(a.g.ontimeout=null);a.A&&(l.clearTimeout(a.A),a.A=null);}function O(a){return a.g?a.g.readyState:0}k.aa=function(){try{return 2<O(this)?this.g.status:-1}catch(a){return -1}};

  68. k.fa=function(){try{return this.g?this.g.responseText:""}catch(a){return ""}};k.Sa=function(a){if(this.g){var b=this.g.responseText;a&&0==b.indexOf(a)&&(b=b.substring(a.length));return kd(b)}};function hc(a){try{if(!a.g)return null;if("response"in a.g)return a.g.response;switch(a.J){case ld:case "text":return a.g.responseText;case "arraybuffer":if("mozResponseArrayBuffer"in a.g)return a.g.mozResponseArrayBuffer}return null}catch(b){return null}}k.Ea=function(){return this.m};

  69. k.Oa=function(){return "string"===typeof this.j?this.j:String(this.j)};function ud(a){let b="";Qa(a,function(c,d){b+=d;b+=":";b+=c;b+="\r\n";});return b}function vd(a,b,c){a:{for(d in c){var d=!1;break a}d=!0;}d||(c=ud(c),"string"===typeof a?(null!=c&&encodeURIComponent(String(c))):S(a,b,c));}function wd(a,b,c){return c&&c.internalChannelParams?c.internalChannelParams[a]||b:b}

  70. function xd(a){this.Ca=0;this.i=[];this.j=new Gb;this.ka=this.sa=this.F=this.V=this.g=this.za=this.D=this.ia=this.o=this.S=this.s=null;this.ab=this.U=0;this.Za=wd("failFast",!1,a);this.L=this.v=this.u=this.m=this.l=null;this.Y=!0;this.pa=this.Ba=this.T=-1;this.Z=this.A=this.C=0;this.Xa=wd("baseRetryDelayMs",5E3,a);this.bb=wd("retryDelaySeedMs",1E4,a);this.$a=wd("forwardChannelMaxRetries",2,a);this.ta=wd("forwardChannelRequestTimeoutMs",2E4,a);this.ra=a&&a.xmlHttpFactory||void 0;this.Da=a&&a.Zb||!1;

  71. this.J=void 0;this.H=a&&a.supportsCrossDomainXhr||!1;this.I="";this.h=new Wc(a&&a.concurrentRequestLimit);this.Fa=new ad;this.O=a&&a.fastHandshake||!1;this.N=a&&a.encodeInitMessageHeaders||!1;this.O&&this.N&&(this.N=!1);this.Ya=a&&a.Xb||!1;a&&a.Aa&&this.j.Aa();a&&a.forceLongPolling&&(this.Y=!1);this.$=!this.O&&this.Y&&a&&a.detectBufferingProxy||!1;this.ja=void 0;this.P=0;this.K=!1;this.la=this.B=null;}k=xd.prototype;k.ma=8;k.G=1;

  72. function Ac(a){yd(a);if(3==a.G){var b=a.U++,c=M(a.F);S(c,"SID",a.I);S(c,"RID",b);S(c,"TYPE","terminate");zd(a,c);b=new L(a,a.j,b,void 0);b.K=2;b.v=dc(M(c));c=!1;l.navigator&&l.navigator.sendBeacon&&(c=l.navigator.sendBeacon(b.v.toString(),""));!c&&l.Image&&((new Image).src=b.v,c=!0);c||(b.g=gc(b.l,null),b.g.da(b.v));b.F=Date.now();N(b);}Ad(a);}function sc(a){a.g&&(oc(a),a.g.cancel(),a.g=null);}

  73. function yd(a){sc(a);a.u&&(l.clearTimeout(a.u),a.u=null);rc(a);a.h.cancel();a.m&&("number"===typeof a.m&&l.clearTimeout(a.m),a.m=null);}function zc(a){Yc(a.h)||a.m||(a.m=!0,sb(a.Ja,a),a.C=0);}function Bd(a,b){if(uc(a.h)>=a.h.j-(a.m?1:0))return !1;if(a.m)return a.i=b.D.concat(a.i),!0;if(1==a.G||2==a.G||a.C>=(a.Za?0:a.$a))return !1;a.m=J(q(a.Ja,a,b),Cd(a,a.C));a.C++;return !0}

  74. k.Ja=function(a){if(this.m)if(this.m=null,1==this.G){if(!a){this.U=Math.floor(1E5*Math.random());a=this.U++;const e=new L(this,this.j,a,void 0);let f=this.s;this.S&&(f?(f=Ra(f),Ta(f,this.S)):f=this.S);null!==this.o||this.N||(e.H=f,f=null);if(this.O)a:{var b=0;for(var c=0;c<this.i.length;c++){b:{var d=this.i[c];if("__data__"in d.g&&(d=d.g.__data__,"string"===typeof d)){d=d.length;break b}d=void 0;}if(void 0===d)break;b+=d;if(4096<b){b=c;break a}if(4096===b||c===this.i.length-1){b=c+1;break a}}b=1E3;}else b=

  75. 1E3;b=Dd(this,e,b);c=M(this.F);S(c,"RID",a);S(c,"CVER",22);this.D&&S(c,"X-HTTP-Session-Id",this.D);zd(this,c);f&&(this.N?b="headers="+encodeURIComponent(String(ud(f)))+"&"+b:this.o&&vd(c,this.o,f));vc(this.h,e);this.Ya&&S(c,"TYPE","init");this.O?(S(c,"$req",b),S(c,"SID","null"),e.Z=!0,cc(e,c,null)):cc(e,c,b);this.G=2;}}else 3==this.G&&(a?Ed(this,a):0==this.i.length||Yc(this.h)||Ed(this));};

  76. function Ed(a,b){var c;b?c=b.m:c=a.U++;const d=M(a.F);S(d,"SID",a.I);S(d,"RID",c);S(d,"AID",a.T);zd(a,d);a.o&&a.s&&vd(d,a.o,a.s);c=new L(a,a.j,c,a.C+1);null===a.o&&(c.H=a.s);b&&(a.i=b.D.concat(a.i));b=Dd(a,c,1E3);c.setTimeout(Math.round(.5*a.ta)+Math.round(.5*a.ta*Math.random()));vc(a.h,c);cc(c,d,b);}function zd(a,b){a.ia&&Qa(a.ia,function(c,d){S(b,d,c);});a.l&&Dc({},function(c,d){S(b,d,c);});}

  77. function Dd(a,b,c){c=Math.min(a.i.length,c);var d=a.l?q(a.l.Ra,a.l,a):null;a:{var e=a.i;let f=-1;for(;;){const h=["count="+c];-1==f?0<c?(f=e[0].h,h.push("ofs="+f)):f=0:h.push("ofs="+f);let n=!0;for(let u=0;u<c;u++){let m=e[u].h;const r=e[u].g;m-=f;if(0>m)f=Math.max(0,e[u].h-100),n=!1;else try{bd(r,h,"req"+m+"_");}catch(F){d&&d(r);}}if(n){d=h.join("&");break a}}}a=a.i.splice(0,c);b.D=a;return d}function yc(a){a.g||a.u||(a.Z=1,sb(a.Ia,a),a.A=0);}

  78. function tc(a){if(a.g||a.u||3<=a.A)return !1;a.Z++;a.u=J(q(a.Ia,a),Cd(a,a.A));a.A++;return !0}k.Ia=function(){this.u=null;Fd(this);if(this.$&&!(this.K||null==this.g||0>=this.P)){var a=2*this.P;this.j.info("BP detection timer enabled: "+a);this.B=J(q(this.eb,this),a);}};k.eb=function(){this.B&&(this.B=null,this.j.info("BP detection timeout reached."),this.j.info("Buffering proxy detected and switch to long-polling!"),this.L=!1,this.K=!0,I(10),sc(this),Fd(this));};

  79. function oc(a){null!=a.B&&(l.clearTimeout(a.B),a.B=null);}function Fd(a){a.g=new L(a,a.j,"rpc",a.Z);null===a.o&&(a.g.H=a.s);a.g.N=0;var b=M(a.sa);S(b,"RID","rpc");S(b,"SID",a.I);S(b,"CI",a.L?"0":"1");S(b,"AID",a.T);S(b,"TYPE","xmlhttp");zd(a,b);a.o&&a.s&&vd(b,a.o,a.s);a.J&&a.g.setTimeout(a.J);var c=a.g;a=a.ka;c.K=1;c.v=dc(M(b));c.s=null;c.P=!0;ec(c,a);}k.cb=function(){null!=this.v&&(this.v=null,sc(this),tc(this),I(19));};function rc(a){null!=a.v&&(l.clearTimeout(a.v),a.v=null);}

  80. function mc(a,b){var c=null;if(a.g==b){rc(a);oc(a);a.g=null;var d=2;}else if(qc(a.h,b))c=b.D,xc(a.h,b),d=1;else return;if(0!=a.G)if(a.pa=b.Y,b.i)if(1==d){c=b.s?b.s.length:0;b=Date.now()-b.F;var e=a.C;d=Mb();C(d,new Pb(d,c));zc(a);}else yc(a);else if(e=b.o,3==e||0==e&&0<a.pa||!(1==d&&Bd(a,b)||2==d&&tc(a)))switch(c&&0<c.length&&(b=a.h,b.i=b.i.concat(c)),e){case 1:R(a,5);break;case 4:R(a,10);break;case 3:R(a,6);break;default:R(a,2);}}

  81. function Cd(a,b){let c=a.Xa+Math.floor(Math.random()*a.bb);a.l||(c*=2);return c*b}function R(a,b){a.j.info("Error code "+b);if(2==b){var c=null;a.l&&(c=null);var d=q(a.kb,a);c||(c=new T("//www.google.com/images/cleardot.gif"),l.location&&"http"==l.location.protocol||Gc(c,"https"),dc(c));cd(c.toString(),d);}else I(2);a.G=0;a.l&&a.l.va(b);Ad(a);yd(a);}k.kb=function(a){a?(this.j.info("Successfully pinged google.com"),I(2)):(this.j.info("Failed to ping google.com"),I(1));};

  82. function Ad(a){a.G=0;a.la=[];if(a.l){const b=Zc(a.h);if(0!=b.length||0!=a.i.length)na(a.la,b),na(a.la,a.i),a.h.i.length=0,ma(a.i),a.i.length=0;a.l.ua();}}function wc(a,b,c){var d=c instanceof T?M(c):new T(c,void 0);if(""!=d.g)b&&(d.g=b+"."+d.g),Hc(d,d.m);else {var e=l.location;d=e.protocol;b=b?b+"."+e.hostname:e.hostname;e=+e.port;var f=new T(null,void 0);d&&Gc(f,d);b&&(f.g=b);e&&Hc(f,e);c&&(f.l=c);d=f;}c=a.D;b=a.za;c&&b&&S(d,c,b);S(d,"VER",a.ma);zd(a,d);return d}

  83. function gc(a,b,c){if(b&&!a.H)throw Error("Can't create secondary domain capable XhrIo object.");b=c&&a.Da&&!a.ra?new W(new ed({jb:!0})):new W(a.ra);b.Ka(a.H);return b}function Gd(){}k=Gd.prototype;k.xa=function(){};k.wa=function(){};k.va=function(){};k.ua=function(){};k.Ra=function(){};function Hd(){if(y&&!(10<=Number(La)))throw Error("Environmental error: no available transport.");}Hd.prototype.g=function(a,b){return new X(a,b)};

  84. function X(a,b){B.call(this);this.g=new xd(b);this.l=a;this.h=b&&b.messageUrlParams||null;a=b&&b.messageHeaders||null;b&&b.clientProtocolHeaderRequired&&(a?a["X-Client-Protocol"]="webchannel":a={"X-Client-Protocol":"webchannel"});this.g.s=a;a=b&&b.initMessageHeaders||null;b&&b.messageContentType&&(a?a["X-WebChannel-Content-Type"]=b.messageContentType:a={"X-WebChannel-Content-Type":b.messageContentType});b&&b.ya&&(a?a["X-WebChannel-Client-Profile"]=b.ya:a={"X-WebChannel-Client-Profile":b.ya});this.g.S=

  85. a;(a=b&&b.Yb)&&!pa(a)&&(this.g.o=a);this.A=b&&b.supportsCrossDomainXhr||!1;this.v=b&&b.sendRawJson||!1;(b=b&&b.httpSessionIdParam)&&!pa(b)&&(this.g.D=b,a=this.h,null!==a&&b in a&&(a=this.h,b in a&&delete a[b]));this.j=new Y(this);}t(X,B);X.prototype.m=function(){this.g.l=this.j;this.A&&(this.g.H=!0);var a=this.g,b=this.l,c=this.h||void 0;I(0);a.V=b;a.ia=c||{};a.L=a.Y;a.F=wc(a,null,a.V);zc(a);};X.prototype.close=function(){Ac(this.g);};

  86. X.prototype.u=function(a){var b=this.g;if("string"===typeof a){var c={};c.__data__=a;a=c;}else this.v&&(c={},c.__data__=lb(a),a=c);b.i.push(new Vc(b.ab++,a));3==b.G&&zc(b);};X.prototype.M=function(){this.g.l=null;delete this.j;Ac(this.g);delete this.g;X.X.M.call(this);};function Id(a){Vb.call(this);var b=a.__sm__;if(b){a:{for(const c in b){a=c;break a}a=void 0;}if(this.i=a)a=this.i,b=null!==b&&a in b?b[a]:void 0;this.data=b;}else this.data=a;}t(Id,Vb);function Jd(){Wb.call(this);this.status=1;}t(Jd,Wb);

  87. function Y(a){this.g=a;}t(Y,Gd);Y.prototype.xa=function(){C(this.g,"a");};Y.prototype.wa=function(a){C(this.g,new Id(a));};Y.prototype.va=function(a){C(this.g,new Jd());};Y.prototype.ua=function(){C(this.g,"b");};/*

  88. 

  89.  Copyright 2017 Google LLC

  90. 

  91.  Licensed under the Apache License, Version 2.0 (the "License");

  92.  you may not use this file except in compliance with the License.

  93.  You may obtain a copy of the License at

  94. 

  95.    http://www.apache.org/licenses/LICENSE-2.0

  96. 

  97.  Unless required by applicable law or agreed to in writing, software

  98.  distributed under the License is distributed on an "AS IS" BASIS,

  99.  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

  100.  See the License for the specific language governing permissions and

  101.  limitations under the License.

  102. */

  103. Hd.prototype.createWebChannel=Hd.prototype.g;X.prototype.send=X.prototype.u;X.prototype.open=X.prototype.m;X.prototype.close=X.prototype.close;Qb.NO_ERROR=0;Qb.TIMEOUT=8;Qb.HTTP_ERROR=6;Rb.COMPLETE="complete";Ub.EventType=K;K.OPEN="a";K.CLOSE="b";K.ERROR="c";K.MESSAGE="d";B.prototype.listen=B.prototype.N;W.prototype.listenOnce=W.prototype.O;W.prototype.getLastError=W.prototype.Oa;W.prototype.getLastErrorCode=W.prototype.Ea;W.prototype.getStatus=W.prototype.aa;W.prototype.getResponseJson=W.prototype.Sa;

  104. W.prototype.getResponseText=W.prototype.fa;W.prototype.send=W.prototype.da;W.prototype.setWithCredentials=W.prototype.Ka;var createWebChannelTransport = esm.createWebChannelTransport=function(){return new Hd};var getStatEventTarget = esm.getStatEventTarget=function(){return Mb()};var ErrorCode = esm.ErrorCode=Qb;var EventType = esm.EventType=Rb;var Event = esm.Event=G;var Stat = esm.Stat={sb:0,vb:1,wb:2,Pb:3,Ub:4,Rb:5,Sb:6,Qb:7,Ob:8,Tb:9,PROXY:10,NOPROXY:11,Mb:12,Ib:13,Jb:14,Hb:15,Kb:16,Lb:17,ob:18,nb:19,pb:20};

  105. var FetchXmlHttpFactory = esm.FetchXmlHttpFactory=ed;var WebChannel = esm.WebChannel=Ub;var XhrIo = esm.XhrIo=W;

  106. 

  107. export { ErrorCode, Event, EventType, FetchXmlHttpFactory, Stat, WebChannel, XhrIo, createWebChannelTransport, esm as default, getStatEventTarget };

  108. //# sourceMappingURL=index.esm2017.js.map