diff --git a/examples/math.html b/examples/math.html
index 5861a71..d27779a 100644
--- a/examples/math.html
+++ b/examples/math.html
@@ -182,8 +182,7 @@
history: true,
transition: 'linear',
- math: {
- // mathjax: 'https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.0/MathJax.js',
+ mathjax2: {
config: 'TeX-AMS_HTML-full',
TeX: {
Macros: {
@@ -193,7 +192,13 @@
}
},
- plugins: [ RevealMath ]
+ // There are three typesetters available
+ // RevealMath.MathJax2 (default)
+ // RevealMath.MathJax3
+ // RevealMath.KaTeX
+ //
+ // More info at https://revealjs.com/math/
+ plugins: [ RevealMath.MathJax2 ]
});
diff --git a/package-lock.json b/package-lock.json
index f7039d4..96c9835 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -2227,9 +2227,9 @@
}
},
"node_modules/caniuse-lite": {
- "version": "1.0.30001228",
- "resolved": "https://registry.npmjs.org/caniuse-lite/-/caniuse-lite-1.0.30001228.tgz",
- "integrity": "sha512-QQmLOGJ3DEgokHbMSA8cj2a+geXqmnpyOFT0lhQV6P3/YOJvGDEwoedcwxEQ30gJIwIIunHIicunJ2rzK5gB2A==",
+ "version": "1.0.30001272",
+ "resolved": "https://registry.npmjs.org/caniuse-lite/-/caniuse-lite-1.0.30001272.tgz",
+ "integrity": "sha512-DV1j9Oot5dydyH1v28g25KoVm7l8MTxazwuiH3utWiAS6iL/9Nh//TGwqFEeqqN8nnWYQ8HHhUq+o4QPt9kvYw==",
"dev": true,
"funding": {
"type": "opencollective",
@@ -11296,9 +11296,9 @@
"dev": true
},
"caniuse-lite": {
- "version": "1.0.30001228",
- "resolved": "https://registry.npmjs.org/caniuse-lite/-/caniuse-lite-1.0.30001228.tgz",
- "integrity": "sha512-QQmLOGJ3DEgokHbMSA8cj2a+geXqmnpyOFT0lhQV6P3/YOJvGDEwoedcwxEQ30gJIwIIunHIicunJ2rzK5gB2A==",
+ "version": "1.0.30001272",
+ "resolved": "https://registry.npmjs.org/caniuse-lite/-/caniuse-lite-1.0.30001272.tgz",
+ "integrity": "sha512-DV1j9Oot5dydyH1v28g25KoVm7l8MTxazwuiH3utWiAS6iL/9Nh//TGwqFEeqqN8nnWYQ8HHhUq+o4QPt9kvYw==",
"dev": true
},
"chalk": {
diff --git a/plugin/math/katex.js b/plugin/math/katex.js
new file mode 100755
index 0000000..29b05b7
--- /dev/null
+++ b/plugin/math/katex.js
@@ -0,0 +1,87 @@
+/**
+ * A plugin which enables rendering of math equations inside
+ * of reveal.js slides. Essentially a thin wrapper for KaTeX.
+ *
+ * @author Hakim El Hattab
+ * @author Gerhard Burger
+ */
+export const KaTeX = () => {
+ let deck;
+
+ let defaultOptions = {
+ version: 'latest',
+ delimiters: [
+ {left: '$', right: '$', display: false},
+ {left: '$$', right: '$$', display: true},
+ {left: '\\(', right: '\\)', display: false},
+ {left: '\\[', right: '\\]', display: true}
+ ],
+ ignoredTags: ['script', 'noscript', 'style', 'textarea', 'pre']
+ }
+
+ const loadCss = src => {
+ let link = document.createElement('link');
+ link.rel = 'stylesheet';
+ link.href = src;
+ document.head.appendChild(link);
+ };
+
+ /**
+ * Loads a JavaScript file and returns a Promise for when it is loaded
+ * Credits: https://aaronsmith.online/easily-load-an-external-script-using-javascript/
+ */
+ const loadScript = src => {
+ return new Promise((resolve, reject) => {
+ const script = document.createElement('script')
+ script.type = 'text/javascript'
+ script.onload = resolve
+ script.onerror = reject
+ script.src = src
+ document.head.append(script)
+ })
+ };
+
+ async function loadScripts(urls) {
+ for(const url of urls) {
+ await loadScript(url);
+ }
+ }
+
+ return {
+ id: 'katex',
+
+ init: function (reveal) {
+
+ deck = reveal;
+
+ let revealOptions = deck.getConfig().katex || {};
+
+ let options = {...defaultOptions, ...revealOptions};
+ const {local, version, extensions, ...katexOptions} = options;
+
+ let baseUrl = options.local || 'https://cdn.jsdelivr.net/npm/katex';
+ let versionString = options.local ? '' : '@' + options.version;
+
+ let cssUrl = baseUrl + versionString + '/dist/katex.min.css';
+ let katexUrl = baseUrl + versionString + '/dist/katex.min.js';
+ let mhchemUrl = baseUrl + versionString + '/dist/contrib/mhchem.min.js'
+ let karUrl = baseUrl + versionString + '/dist/contrib/auto-render.min.js';
+
+ let katexScripts = [katexUrl];
+ if(options.extensions && options.extensions.includes("mhchem")) {
+ katexScripts.push(mhchemUrl);
+ }
+ katexScripts.push(karUrl);
+
+ loadCss(cssUrl);
+
+ // For some reason dynamically loading with defer attribute doesn't result in the expected behavior, the below code does
+ loadScripts(katexScripts).then(() => {
+ renderMathInElement(document.body, katexOptions);
+ deck.layout();
+ });
+
+ }
+ }
+
+};
diff --git a/plugin/math/math.esm.js b/plugin/math/math.esm.js
index 716c114..90724e0 100644
--- a/plugin/math/math.esm.js
+++ b/plugin/math/math.esm.js
@@ -1 +1 @@
-function e(e,t){var n=Object.keys(e);if(Object.getOwnPropertySymbols){var r=Object.getOwnPropertySymbols(e);t&&(r=r.filter((function(t){return Object.getOwnPropertyDescriptor(e,t).enumerable}))),n.push.apply(n,r)}return n}function t(t){for(var r=1;r0?Vt:Bt)(t)},te=Zt,ee=Math.min,ne=function(t){return t>0?ee(te(t),9007199254740991):0},re=Zt,oe=Math.max,ie=Math.min,ae=b,ce=ne,ue=function(t,e){var n=re(t);return n<0?oe(n+e,0):ie(n,e)},fe=function(t){return function(e,n,r){var o,i=ae(e),a=ce(i.length),c=ue(r,a);if(t&&n!=n){for(;a>c;)if((o=i[c++])!=o)return!0}else for(;a>c;c++)if((t||c in i)&&i[c]===n)return t||c||0;return!t&&-1}},se={includes:fe(!0),indexOf:fe(!1)},le=P,pe=b,he=se.indexOf,ve=Ot,de=function(t,e){var n,r=pe(t),o=0,i=[];for(n in r)!le(ve,n)&&le(r,n)&&i.push(n);for(;e.length>o;)le(r,n=e[o++])&&(~he(i,n)||i.push(n));return i},ye=["constructor","hasOwnProperty","isPrototypeOf","propertyIsEnumerable","toLocaleString","toString","valueOf"],ge=de,me=ye.concat("length","prototype");Yt.f=Object.getOwnPropertyNames||function(t){return ge(t,me)};var be={};be.f=Object.getOwnPropertySymbols;var we=Yt,je=be,xe=W,Oe=Xt("Reflect","ownKeys")||function(t){var e=we.f(xe(t)),n=je.f;return n?e.concat(n(t)):e},Ee=P,Se=Oe,Te=r,Pe=H,_e=o,ke=/#|\.prototype\./,Le=function(t,e){var n=Ae[Me(t)];return n==Ce||n!=Ie&&("function"==typeof e?_e(e):!!e)},Me=Le.normalize=function(t){return String(t).replace(ke,".").toLowerCase()},Ae=Le.data={},Ie=Le.NATIVE="N",Ce=Le.POLYFILL="P",Re=Le,Ne=n,Fe=r.f,Je=V,De=Z.exports,$e=nt,Ge=function(t,e){for(var n=Se(e),r=Pe.f,o=Te.f,i=0;io;)for(var c,u=Ze(arguments[o++]),f=i?Xe(u).concat(i(u)):Xe(u),s=f.length,l=0;s>l;)c=f[l++],Ke&&!a.call(u,c)||(n[c]=u[c]);return n}:tn;function rn(t,e){var n=Object.keys(t);if(Object.getOwnPropertySymbols){var r=Object.getOwnPropertySymbols(t);e&&(r=r.filter((function(e){return Object.getOwnPropertyDescriptor(t,e).enumerable}))),n.push.apply(n,r)}return n}function on(t){for(var e=1;e=0||(o[n]=t[n]);return o}(t,e);if(Object.getOwnPropertySymbols){var i=Object.getOwnPropertySymbols(t);for(r=0;r=0||Object.prototype.propertyIsEnumerable.call(t,n)&&(o[n]=t[n])}return o}function sn(t,e){(null==e||e>t.length)&&(e=t.length);for(var n=0,r=new Array(e);n=t.length?{done:!0}:{done:!1,value:t[r++]}},e:function(t){throw t},f:o}}throw new TypeError("Invalid attempt to iterate non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.")}var i,a=!0,c=!1;return{s:function(){n=n.call(t)},n:function(){var t=n.next();return a=t.done,t},e:function(t){c=!0,i=t},f:function(){try{a||null==n.return||n.return()}finally{if(c)throw i}}}}ze({target:"Object",stat:!0,forced:Object.assign!==nn},{assign:nn});!function(t){var e=function(t){var e,n=Object.prototype,r=n.hasOwnProperty,o="function"==typeof Symbol?Symbol:{},i=o.iterator||"@@iterator",a=o.asyncIterator||"@@asyncIterator",c=o.toStringTag||"@@toStringTag";function u(t,e,n){return Object.defineProperty(t,e,{value:n,enumerable:!0,configurable:!0,writable:!0}),t[e]}try{u({},"")}catch(t){u=function(t,e,n){return t[e]=n}}function f(t,e,n,r){var o=e&&e.prototype instanceof y?e:y,i=Object.create(o.prototype),a=new _(r||[]);return i._invoke=function(t,e,n){var r=l;return function(o,i){if(r===h)throw new Error("Generator is already running");if(r===v){if("throw"===o)throw i;return L()}for(n.method=o,n.arg=i;;){var a=n.delegate;if(a){var c=S(a,n);if(c){if(c===d)continue;return c}}if("next"===n.method)n.sent=n._sent=n.arg;else if("throw"===n.method){if(r===l)throw r=v,n.arg;n.dispatchException(n.arg)}else"return"===n.method&&n.abrupt("return",n.arg);r=h;var u=s(t,e,n);if("normal"===u.type){if(r=n.done?v:p,u.arg===d)continue;return{value:u.arg,done:n.done}}"throw"===u.type&&(r=v,n.method="throw",n.arg=u.arg)}}}(t,n,a),i}function s(t,e,n){try{return{type:"normal",arg:t.call(e,n)}}catch(t){return{type:"throw",arg:t}}}t.wrap=f;var l="suspendedStart",p="suspendedYield",h="executing",v="completed",d={};function y(){}function g(){}function m(){}var b={};b[i]=function(){return this};var w=Object.getPrototypeOf,j=w&&w(w(k([])));j&&j!==n&&r.call(j,i)&&(b=j);var x=m.prototype=y.prototype=Object.create(b);function O(t){["next","throw","return"].forEach((function(e){u(t,e,(function(t){return this._invoke(e,t)}))}))}function E(t,e){function n(o,i,a,c){var u=s(t[o],t,i);if("throw"!==u.type){var f=u.arg,l=f.value;return l&&"object"==typeof l&&r.call(l,"__await")?e.resolve(l.__await).then((function(t){n("next",t,a,c)}),(function(t){n("throw",t,a,c)})):e.resolve(l).then((function(t){f.value=t,a(f)}),(function(t){return n("throw",t,a,c)}))}c(u.arg)}var o;this._invoke=function(t,r){function i(){return new e((function(e,o){n(t,r,e,o)}))}return o=o?o.then(i,i):i()}}function S(t,n){var r=t.iterator[n.method];if(r===e){if(n.delegate=null,"throw"===n.method){if(t.iterator.return&&(n.method="return",n.arg=e,S(t,n),"throw"===n.method))return d;n.method="throw",n.arg=new TypeError("The iterator does not provide a 'throw' method")}return d}var o=s(r,t.iterator,n.arg);if("throw"===o.type)return n.method="throw",n.arg=o.arg,n.delegate=null,d;var i=o.arg;return i?i.done?(n[t.resultName]=i.value,n.next=t.nextLoc,"return"!==n.method&&(n.method="next",n.arg=e),n.delegate=null,d):i:(n.method="throw",n.arg=new TypeError("iterator result is not an object"),n.delegate=null,d)}function T(t){var e={tryLoc:t[0]};1 in t&&(e.catchLoc=t[1]),2 in t&&(e.finallyLoc=t[2],e.afterLoc=t[3]),this.tryEntries.push(e)}function P(t){var e=t.completion||{};e.type="normal",delete e.arg,t.completion=e}function _(t){this.tryEntries=[{tryLoc:"root"}],t.forEach(T,this),this.reset(!0)}function k(t){if(t){var n=t[i];if(n)return n.call(t);if("function"==typeof t.next)return t;if(!isNaN(t.length)){var o=-1,a=function n(){for(;++o=0;--i){var a=this.tryEntries[i],c=a.completion;if("root"===a.tryLoc)return o("end");if(a.tryLoc<=this.prev){var u=r.call(a,"catchLoc"),f=r.call(a,"finallyLoc");if(u&&f){if(this.prev=0;--n){var o=this.tryEntries[n];if(o.tryLoc<=this.prev&&r.call(o,"finallyLoc")&&this.prev=0;--e){var n=this.tryEntries[e];if(n.finallyLoc===t)return this.complete(n.completion,n.afterLoc),P(n),d}},catch:function(t){for(var e=this.tryEntries.length-1;e>=0;--e){var n=this.tryEntries[e];if(n.tryLoc===t){var r=n.completion;if("throw"===r.type){var o=r.arg;P(n)}return o}}throw new Error("illegal catch attempt")},delegateYield:function(t,n,r){return this.delegate={iterator:k(t),resultName:n,nextLoc:r},"next"===this.method&&(this.arg=e),d}},t}(t.exports);try{regeneratorRuntime=e}catch(t){Function("r","regeneratorRuntime = r")(e)}}({exports:{}});var pn,hn,vn=Xt("navigator","userAgent")||"",dn=vn,yn=n.process,gn=yn&&yn.versions,mn=gn&&gn.v8;mn?hn=(pn=mn.split("."))[0]<4?1:pn[0]+pn[1]:dn&&(!(pn=dn.match(/Edge\/(\d+)/))||pn[1]>=74)&&(pn=dn.match(/Chrome\/(\d+)/))&&(hn=pn[1]);var bn=hn&&+hn,wn=bn,jn=o,xn=!!Object.getOwnPropertySymbols&&!jn((function(){return!String(Symbol())||!Symbol.sham&&wn&&wn<41})),On=xn&&!Symbol.sham&&"symbol"==typeof Symbol.iterator,En=n,Sn=lt.exports,Tn=P,Pn=mt,_n=xn,kn=On,Ln=Sn("wks"),Mn=En.Symbol,An=kn?Mn:Mn&&Mn.withoutSetter||Pn,In=function(t){return Tn(Ln,t)&&(_n||"string"==typeof Ln[t])||(_n&&Tn(Mn,t)?Ln[t]=Mn[t]:Ln[t]=An("Symbol."+t)),Ln[t]},Cn={};Cn[In("toStringTag")]="z";var Rn="[object z]"===String(Cn),Nn=Rn,Fn=p,Jn=In("toStringTag"),Dn="Arguments"==Fn(function(){return arguments}()),$n=Nn?Fn:function(t){var e,n,r;return void 0===t?"Undefined":null===t?"Null":"string"==typeof(n=function(t,e){try{return t[e]}catch(t){}}(e=Object(t),Jn))?n:Dn?Fn(e):"Object"==(r=Fn(e))&&"function"==typeof e.callee?"Arguments":r},Gn=$n,Hn=Rn?{}.toString:function(){return"[object "+Gn(this)+"]"},zn=Rn,Wn=Z.exports,qn=Hn;zn||Wn(Object.prototype,"toString",qn,{unsafe:!0});var Un=n.Promise,Kn=Z.exports,Qn=w,Xn=W,Yn=function(t){if(!Qn(t)&&null!==t)throw TypeError("Can't set "+String(t)+" as a prototype");return t},Bn=Object.setPrototypeOf||("__proto__"in{}?function(){var t,e=!1,n={};try{(t=Object.getOwnPropertyDescriptor(Object.prototype,"__proto__").set).call(n,[]),e=n instanceof Array}catch(t){}return function(n,r){return Xn(n),Yn(r),e?t.call(n,r):n.__proto__=r,n}}():void 0),Vn=H.f,Zn=P,tr=In("toStringTag"),er=Xt,nr=H,rr=i,or=In("species"),ir=function(t){if("function"!=typeof t)throw TypeError(String(t)+" is not a function");return t},ar={},cr=ar,ur=In("iterator"),fr=Array.prototype,sr=ir,lr=function(t,e,n){if(sr(t),void 0===e)return t;switch(n){case 0:return function(){return t.call(e)};case 1:return function(n){return t.call(e,n)};case 2:return function(n,r){return t.call(e,n,r)};case 3:return function(n,r,o){return t.call(e,n,r,o)}}return function(){return t.apply(e,arguments)}},pr=$n,hr=ar,vr=In("iterator"),dr=W,yr=W,gr=function(t){return void 0!==t&&(cr.Array===t||fr[ur]===t)},mr=ne,br=lr,wr=function(t){if(null!=t)return t[vr]||t["@@iterator"]||hr[pr(t)]},jr=function(t){var e=t.return;if(void 0!==e)return dr(e.call(t)).value},xr=function(t,e){this.stopped=t,this.result=e},Or=In("iterator"),Er=!1;try{var Sr=0,Tr={next:function(){return{done:!!Sr++}},return:function(){Er=!0}};Tr[Or]=function(){return this},Array.from(Tr,(function(){throw 2}))}catch(t){}var Pr,_r,kr,Lr=W,Mr=ir,Ar=In("species"),Ir=Xt("document","documentElement"),Cr=/(?:iphone|ipod|ipad).*applewebkit/i.test(vn),Rr="process"==p(n.process),Nr=n,Fr=o,Jr=lr,Dr=Ir,$r=M,Gr=Cr,Hr=Rr,zr=Nr.location,Wr=Nr.setImmediate,qr=Nr.clearImmediate,Ur=Nr.process,Kr=Nr.MessageChannel,Qr=Nr.Dispatch,Xr=0,Yr={},Br=function(t){if(Yr.hasOwnProperty(t)){var e=Yr[t];delete Yr[t],e()}},Vr=function(t){return function(){Br(t)}},Zr=function(t){Br(t.data)},to=function(t){Nr.postMessage(t+"",zr.protocol+"//"+zr.host)};Wr&&qr||(Wr=function(t){for(var e=[],n=1;arguments.length>n;)e.push(arguments[n++]);return Yr[++Xr]=function(){("function"==typeof t?t:Function(t)).apply(void 0,e)},Pr(Xr),Xr},qr=function(t){delete Yr[t]},Hr?Pr=function(t){Ur.nextTick(Vr(t))}:Qr&&Qr.now?Pr=function(t){Qr.now(Vr(t))}:Kr&&!Gr?(kr=(_r=new Kr).port2,_r.port1.onmessage=Zr,Pr=Jr(kr.postMessage,kr,1)):Nr.addEventListener&&"function"==typeof postMessage&&!Nr.importScripts&&zr&&"file:"!==zr.protocol&&!Fr(to)?(Pr=to,Nr.addEventListener("message",Zr,!1)):Pr="onreadystatechange"in $r("script")?function(t){Dr.appendChild($r("script")).onreadystatechange=function(){Dr.removeChild(this),Br(t)}}:function(t){setTimeout(Vr(t),0)});var eo,no,ro,oo,io,ao,co,uo,fo={set:Wr,clear:qr},so=/web0s(?!.*chrome)/i.test(vn),lo=n,po=r.f,ho=fo.set,vo=Cr,yo=so,go=Rr,mo=lo.MutationObserver||lo.WebKitMutationObserver,bo=lo.document,wo=lo.process,jo=lo.Promise,xo=po(lo,"queueMicrotask"),Oo=xo&&xo.value;Oo||(eo=function(){var t,e;for(go&&(t=wo.domain)&&t.exit();no;){e=no.fn,no=no.next;try{e()}catch(t){throw no?oo():ro=void 0,t}}ro=void 0,t&&t.enter()},vo||go||yo||!mo||!bo?jo&&jo.resolve?((co=jo.resolve(void 0)).constructor=jo,uo=co.then,oo=function(){uo.call(co,eo)}):oo=go?function(){wo.nextTick(eo)}:function(){ho.call(lo,eo)}:(io=!0,ao=bo.createTextNode(""),new mo(eo).observe(ao,{characterData:!0}),oo=function(){ao.data=io=!io}));var Eo=Oo||function(t){var e={fn:t,next:void 0};ro&&(ro.next=e),no||(no=e,oo()),ro=e},So={},To=ir,Po=function(t){var e,n;this.promise=new t((function(t,r){if(void 0!==e||void 0!==n)throw TypeError("Bad Promise constructor");e=t,n=r})),this.resolve=To(e),this.reject=To(n)};So.f=function(t){return new Po(t)};var _o,ko,Lo,Mo,Ao=W,Io=w,Co=So,Ro=n,No="object"==typeof window,Fo=ze,Jo=n,Do=Xt,$o=Un,Go=Z.exports,Ho=function(t,e,n){for(var r in e)Kn(t,r,e[r],n);return t},zo=Bn,Wo=function(t,e,n){t&&!Zn(t=n?t:t.prototype,tr)&&Vn(t,tr,{configurable:!0,value:e})},qo=function(t){var e=er(t),n=nr.f;rr&&e&&!e[or]&&n(e,or,{configurable:!0,get:function(){return this}})},Uo=w,Ko=ir,Qo=function(t,e,n){if(!(t instanceof e))throw TypeError("Incorrect "+(n?n+" ":"")+"invocation");return t},Xo=ct,Yo=function(t,e,n){var r,o,i,a,c,u,f,s=n&&n.that,l=!(!n||!n.AS_ENTRIES),p=!(!n||!n.IS_ITERATOR),h=!(!n||!n.INTERRUPTED),v=br(e,s,1+l+h),d=function(t){return r&&jr(r),new xr(!0,t)},y=function(t){return l?(yr(t),h?v(t[0],t[1],d):v(t[0],t[1])):h?v(t,d):v(t)};if(p)r=t;else{if("function"!=typeof(o=wr(t)))throw TypeError("Target is not iterable");if(gr(o)){for(i=0,a=mr(t.length);a>i;i++)if((c=y(t[i]))&&c instanceof xr)return c;return new xr(!1)}r=o.call(t)}for(u=r.next;!(f=u.call(r)).done;){try{c=y(f.value)}catch(t){throw jr(r),t}if("object"==typeof c&&c&&c instanceof xr)return c}return new xr(!1)},Bo=function(t,e){if(!e&&!Er)return!1;var n=!1;try{var r={};r[Or]=function(){return{next:function(){return{done:n=!0}}}},t(r)}catch(t){}return n},Vo=function(t,e){var n,r=Lr(t).constructor;return void 0===r||null==(n=Lr(r)[Ar])?e:Mr(n)},Zo=fo.set,ti=Eo,ei=function(t,e){if(Ao(t),Io(e)&&e.constructor===t)return e;var n=Co.f(t);return(0,n.resolve)(e),n.promise},ni=function(t,e){var n=Ro.console;n&&n.error&&(1===arguments.length?n.error(t):n.error(t,e))},ri=So,oi=function(t){try{return{error:!1,value:t()}}catch(t){return{error:!0,value:t}}},ii=Ft,ai=Re,ci=No,ui=Rr,fi=bn,si=In("species"),li="Promise",pi=ii.get,hi=ii.set,vi=ii.getterFor(li),di=$o&&$o.prototype,yi=$o,gi=di,mi=Jo.TypeError,bi=Jo.document,wi=Jo.process,ji=ri.f,xi=ji,Oi=!!(bi&&bi.createEvent&&Jo.dispatchEvent),Ei="function"==typeof PromiseRejectionEvent,Si=!1,Ti=ai(li,(function(){var t=Xo(yi)!==String(yi);if(!t&&66===fi)return!0;if(fi>=51&&/native code/.test(yi))return!1;var e=new yi((function(t){t(1)})),n=function(t){t((function(){}),(function(){}))};return(e.constructor={})[si]=n,!(Si=e.then((function(){}))instanceof n)||!t&&ci&&!Ei})),Pi=Ti||!Bo((function(t){yi.all(t).catch((function(){}))})),_i=function(t){var e;return!(!Uo(t)||"function"!=typeof(e=t.then))&&e},ki=function(t,e){if(!t.notified){t.notified=!0;var n=t.reactions;ti((function(){for(var r=t.value,o=1==t.state,i=0;n.length>i;){var a,c,u,f=n[i++],s=o?f.ok:f.fail,l=f.resolve,p=f.reject,h=f.domain;try{s?(o||(2===t.rejection&&Ii(t),t.rejection=1),!0===s?a=r:(h&&h.enter(),a=s(r),h&&(h.exit(),u=!0)),a===f.promise?p(mi("Promise-chain cycle")):(c=_i(a))?c.call(a,l,p):l(a)):p(r)}catch(t){h&&!u&&h.exit(),p(t)}}t.reactions=[],t.notified=!1,e&&!t.rejection&&Mi(t)}))}},Li=function(t,e,n){var r,o;Oi?((r=bi.createEvent("Event")).promise=e,r.reason=n,r.initEvent(t,!1,!0),Jo.dispatchEvent(r)):r={promise:e,reason:n},!Ei&&(o=Jo["on"+t])?o(r):"unhandledrejection"===t&&ni("Unhandled promise rejection",n)},Mi=function(t){Zo.call(Jo,(function(){var e,n=t.facade,r=t.value;if(Ai(t)&&(e=oi((function(){ui?wi.emit("unhandledRejection",r,n):Li("unhandledrejection",n,r)})),t.rejection=ui||Ai(t)?2:1,e.error))throw e.value}))},Ai=function(t){return 1!==t.rejection&&!t.parent},Ii=function(t){Zo.call(Jo,(function(){var e=t.facade;ui?wi.emit("rejectionHandled",e):Li("rejectionhandled",e,t.value)}))},Ci=function(t,e,n){return function(r){t(e,r,n)}},Ri=function(t,e,n){t.done||(t.done=!0,n&&(t=n),t.value=e,t.state=2,ki(t,!0))},Ni=function(t,e,n){if(!t.done){t.done=!0,n&&(t=n);try{if(t.facade===e)throw mi("Promise can't be resolved itself");var r=_i(e);r?ti((function(){var n={done:!1};try{r.call(e,Ci(Ni,n,t),Ci(Ri,n,t))}catch(e){Ri(n,e,t)}})):(t.value=e,t.state=1,ki(t,!1))}catch(e){Ri({done:!1},e,t)}}};if(Ti&&(gi=(yi=function(t){Qo(this,yi,li),Ko(t),_o.call(this);var e=pi(this);try{t(Ci(Ni,e),Ci(Ri,e))}catch(t){Ri(e,t)}}).prototype,(_o=function(t){hi(this,{type:li,done:!1,notified:!1,parent:!1,reactions:[],rejection:!1,state:0,value:void 0})}).prototype=Ho(gi,{then:function(t,e){var n=vi(this),r=ji(Vo(this,yi));return r.ok="function"!=typeof t||t,r.fail="function"==typeof e&&e,r.domain=ui?wi.domain:void 0,n.parent=!0,n.reactions.push(r),0!=n.state&&ki(n,!1),r.promise},catch:function(t){return this.then(void 0,t)}}),ko=function(){var t=new _o,e=pi(t);this.promise=t,this.resolve=Ci(Ni,e),this.reject=Ci(Ri,e)},ri.f=ji=function(t){return t===yi||t===Lo?new ko(t):xi(t)},"function"==typeof $o&&di!==Object.prototype)){Mo=di.then,Si||(Go(di,"then",(function(t,e){var n=this;return new yi((function(t,e){Mo.call(n,t,e)})).then(t,e)}),{unsafe:!0}),Go(di,"catch",gi.catch,{unsafe:!0}));try{delete di.constructor}catch(t){}zo&&zo(di,gi)}Fo({global:!0,wrap:!0,forced:Ti},{Promise:yi}),Wo(yi,li,!1),qo(li),Lo=Do(li),Fo({target:li,stat:!0,forced:Ti},{reject:function(t){var e=ji(this);return e.reject.call(void 0,t),e.promise}}),Fo({target:li,stat:!0,forced:Ti},{resolve:function(t){return ei(this,t)}}),Fo({target:li,stat:!0,forced:Pi},{all:function(t){var e=this,n=ji(e),r=n.resolve,o=n.reject,i=oi((function(){var n=Ko(e.resolve),i=[],a=0,c=1;Yo(t,(function(t){var u=a++,f=!1;i.push(void 0),c++,n.call(e,t).then((function(t){f||(f=!0,i[u]=t,--c||r(i))}),o)})),--c||r(i)}));return i.error&&o(i.value),n.promise},race:function(t){var e=this,n=ji(e),r=n.reject,o=oi((function(){var o=Ko(e.resolve);Yo(t,(function(t){o.call(e,t).then(n.resolve,r)}))}));return o.error&&r(o.value),n.promise}});var Fi,Ji=H,Di=W,$i=Ue,Gi=i?Object.defineProperties:function(t,e){Di(t);for(var n,r=$i(e),o=r.length,i=0;o>i;)Ji.f(t,n=r[i++],e[n]);return t},Hi=W,zi=Gi,Wi=ye,qi=Ot,Ui=Ir,Ki=M,Qi=xt("IE_PROTO"),Xi=function(){},Yi=function(t){return"