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0===n&&(n=0),setInterval(t.flush.bind(t,this),n)},e.prototype.recycleAsyncId=function(t,e,n){if(void 0===n&&(n=0),null!==n&&this.delay===n&&!1===this.pending)return e;clearInterval(e)},e.prototype.execute=function(t,e){if(this.closed)return new Error("executing a cancelled action");this.pending=!1;var n=this._execute(t,e);if(n)return n;!1===this.pending&&null!=this.id&&(this.id=this.recycleAsyncId(this.scheduler,this.id,null))},e.prototype._execute=function(t,e){var n=!1,r=void 0;try{this.work(t)}catch(t){n=!0,r=!!t&&t||new Error(t)}if(n)return this.unsubscribe(),r},e.prototype._unsubscribe=function(){var t=this.id,e=this.scheduler,n=e.actions,r=n.indexOf(this);this.work=null,this.state=null,this.pending=!1,this.scheduler=null,-1!==r&&n.splice(r,1),null!=t&&(this.id=this.recycleAsyncId(e,t,null)),this.delay=null},e}(function(t){function e(e,n){return t.call(this)||this}return c(e,t),e.prototype.schedule=function(t,e){return void 0===e&&(e=0),this},e}(v)),ht=function(t){function e(e,n){var r=t.call(this,e,n)||this;return r.scheduler=e,r.work=n,r}return c(e,t),e.prototype.schedule=function(e,n){return void 0===n&&(n=0),n>0?t.prototype.schedule.call(this,e,n):(this.delay=n,this.state=e,this.scheduler.flush(this),this)},e.prototype.execute=function(e,n){return n>0||this.closed?t.prototype.execute.call(this,e,n):this._execute(e,n)},e.prototype.requestAsyncId=function(e,n,r){return void 0===r&&(r=0),null!==r&&r>0||null===r&&this.delay>0?t.prototype.requestAsyncId.call(this,e,n,r):e.flush(this)},e}(ft),lt=function(){function t(e,n){void 0===n&&(n=t.now),this.SchedulerAction=e,this.now=n}return t.prototype.schedule=function(t,e,n){return void 0===e&&(e=0),new this.SchedulerAction(this,t).schedule(n,e)},t.now=function(){return Date.now()},t}(),pt=function(t){function e(n,r){void 0===r&&(r=lt.now);var i=t.call(this,n,(function(){return e.delegate&&e.delegate!==i?e.delegate.now():r()}))||this;return i.actions=[],i.active=!1,i.scheduled=void 0,i}return c(e,t),e.prototype.schedule=function(n,r,i){return void 0===r&&(r=0),e.delegate&&e.delegate!==this?e.delegate.schedule(n,r,i):t.prototype.schedule.call(this,n,r,i)},e.prototype.flush=function(t){var e=this.actions;if(this.active)e.push(t);else{var n;this.active=!0;do{if(n=t.execute(t.state,t.delay))break}while(t=e.shift());if(this.active=!1,n){for(;t=e.shift();)t.unsubscribe();throw n}}},e}(lt),dt=new(function(t){function e(){return null!==t&&t.apply(this,arguments)||this}return c(e,t),e}(pt))(ht);function yt(t){var e=t.error;t.subscriber.error(e)}nt||(nt={});var bt=function(){function t(t,e,n){this.kind=t,this.value=e,this.error=n,this.hasValue="N"===t}return t.prototype.observe=function(t){switch(this.kind){case"N":return t.next&&t.next(this.value);case"E":return t.error&&t.error(this.error);case"C":return t.complete&&t.complete()}},t.prototype.do=function(t,e,n){switch(this.kind){case"N":return t&&t(this.value);case"E":return e&&e(this.error);case"C":return n&&n()}},t.prototype.accept=function(t,e,n){return t&&"function"==typeof t.next?this.observe(t):this.do(t,e,n)},t.prototype.toObservable=function(){var t,e;switch(this.kind){case"N":return H(this.value);case"E":return t=this.error,new O(e?function(n){return e.schedule(yt,0,{error:t,subscriber:n})}:function(e){return e.error(t)});case"C":return D()}throw new Error("unexpected notification kind value")},t.createNext=function(e){return void 0!==e?new t("N",e):t.undefinedValueNotification},t.createError=function(e){return new t("E",void 0,e)},t.createComplete=function(){return t.completeNotification},t.completeNotification=new t("C"),t.undefinedValueNotification=new t("N",void 0),t}();function vt(t,e){return void 0===e&&(e=0),function(n){return n.lift(new wt(t,e))}}var wt=function(){function t(t,e){void 0===e&&(e=0),this.scheduler=t,this.delay=e}return t.prototype.call=function(t,e){return e.subscribe(new mt(t,this.scheduler,this.delay))},t}(),mt=function(t){function e(e,n,r){void 0===r&&(r=0);var i=t.call(this,e)||this;return i.scheduler=n,i.delay=r,i}return c(e,t),e.dispatch=function(t){var e=t.notification,n=t.destination;e.observe(n),this.unsubscribe()},e.prototype.scheduleMessage=function(t){this.destination.add(this.scheduler.schedule(e.dispatch,this.delay,new gt(t,this.destination)))},e.prototype._next=function(t){this.scheduleMessage(bt.createNext(t))},e.prototype._error=function(t){this.scheduleMessage(bt.createError(t)),this.unsubscribe()},e.prototype._complete=function(){this.scheduleMessage(bt.createComplete()),this.unsubscribe()},e}(g),gt=function(){return function(t,e){this.notification=t,this.destination=e}}(),_t=function(t){function e(e,n,r){void 0===e&&(e=Number.POSITIVE_INFINITY),void 0===n&&(n=Number.POSITIVE_INFINITY);var i=t.call(this)||this;return i.scheduler=r,i._events=[],i._infiniteTimeWindow=!1,i._bufferSize=e<1?1:e,i._windowTime=n<1?1:n,n===Number.POSITIVE_INFINITY?(i._infiniteTimeWindow=!0,i.next=i.nextInfiniteTimeWindow):i.next=i.nextTimeWindow,i}return c(e,t),e.prototype.nextInfiniteTimeWindow=function(e){var n=this._events;n.push(e),n.length>this._bufferSize&&n.shift(),t.prototype.next.call(this,e)},e.prototype.nextTimeWindow=function(e){this._events.push(new xt(this._getNow(),e)),this._trimBufferThenGetEvents(),t.prototype.next.call(this,e)},e.prototype._subscribe=function(t){var e,n=this._infiniteTimeWindow,r=n?this._events:this._trimBufferThenGetEvents(),i=this.scheduler,o=r.length;if(this.closed)throw new ot;if(this.isStopped||this.hasError?e=v.EMPTY:(this.observers.push(t),e=new ut(this,t)),i&&t.add(t=new mt(t,i)),n)for(var u=0;u<o&&!t.closed;u++)t.next(r[u]);else for(u=0;u<o&&!t.closed;u++)t.next(r[u].value);return this.hasError?t.error(this.thrownError):this.isStopped&&t.complete(),e},e.prototype._getNow=function(){return(this.scheduler||dt).now()},e.prototype._trimBufferThenGetEvents=function(){for(var t=this._getNow(),e=this._bufferSize,n=this._windowTime,r=this._events,i=r.length,o=0;o<i&&!(t-r[o].time<n);)o++;return i>e&&(o=Math.max(o,i-e)),o>0&&r.splice(0,o),r},e}(ct),xt=function(){return function(t,e){this.time=t,this.value=e}}();function St(t,e,n){var r;return r=t&&"object"==typeof t?t:{bufferSize:t,windowTime:e,refCount:!1,scheduler:n},function(t){return t.lift(function(t){var e,n,r=t.bufferSize,i=void 0===r?Number.POSITIVE_INFINITY:r,o=t.windowTime,u=void 0===o?Number.POSITIVE_INFINITY:o,s=t.refCount,c=t.scheduler,a=0,f=!1,h=!1;return function(t){a++,e&&!f||(f=!1,e=new _t(i,u,c),n=t.subscribe({next:function(t){e.next(t)},error:function(t){f=!0,e.error(t)},complete:function(){h=!0,e.complete()}}));var r=e.subscribe(this);this.add((function(){a--,r.unsubscribe(),n&&!h&&s&&0===a&&(n.unsubscribe(),n=void 0,e=void 0)}))}}(r))}}function Et(t,e,n){return function(r){return r.lift(new Tt(t,e,n))}}var Tt=function(){function t(t,e,n){this.nextOrObserver=t,this.error=e,this.complete=n}return t.prototype.call=function(t,e){return e.subscribe(new Ot(t,this.nextOrObserver,this.error,this.complete))},t}(),Ot=function(t){function e(e,n,r,i){var o=t.call(this,e)||this;return o._tapNext=S,o._tapError=S,o._tapComplete=S,o._tapError=r||S,o._tapComplete=i||S,a(n)?(o._context=o,o._tapNext=n):n&&(o._context=n,o._tapNext=n.next||S,o._tapError=n.error||S,o._tapComplete=n.complete||S),o}return c(e,t),e.prototype._next=function(t){try{this._tapNext.call(this._context,t)}catch(t){return void this.destination.error(t)}this.destination.next(t)},e.prototype._error=function(t){try{this._tapError.call(this._context,t)}catch(t){return void this.destination.error(t)}this.destination.error(t)},e.prototype._complete=function(){try{this._tapComplete.call(this._context)}catch(t){return void this.destination.error(t)}return this.destination.complete()},e}(g),jt=new pt(ft);function It(t,e){void 0===e&&(e=jt);var n,r=(n=t)instanceof Date&&!isNaN(+n)?+t-e.now():Math.abs(t);return function(t){return t.lift(new Nt(r,e))}}var Nt=function(){function t(t,e){this.delay=t,this.scheduler=e}return t.prototype.call=function(t,e){return e.subscribe(new At(t,this.delay,this.scheduler))},t}(),At=function(t){function e(e,n,r){var i=t.call(this,e)||this;return i.delay=n,i.scheduler=r,i.queue=[],i.active=!1,i.errored=!1,i}return c(e,t),e.dispatch=function(t){for(var e=t.source,n=e.queue,r=t.scheduler,i=t.destination;n.length>0&&n[0].time-r.now()<=0;)n.shift().notification.observe(i);if(n.length>0){var o=Math.max(0,n[0].time-r.now());this.schedule(t,o)}else this.unsubscribe(),e.active=!1},e.prototype._schedule=function(t){this.active=!0,this.destination.add(t.schedule(e.dispatch,this.delay,{source:this,destination:this.destination,scheduler:t}))},e.prototype.scheduleNotification=function(t){if(!0!==this.errored){var e=this.scheduler,n=new Ct(e.now()+this.delay,t);this.queue.push(n),!1===this.active&&this._schedule(e)}},e.prototype._next=function(t){this.scheduleNotification(bt.createNext(t))},e.prototype._error=function(t){this.errored=!0,this.queue=[],this.destination.error(t),this.unsubscribe()},e.prototype._complete=function(){this.scheduleNotification(bt.createComplete()),this.unsubscribe()},e}(g),Ct=function(){return function(t,e){this.time=t,this.notification=e}}();var Pt=function(){function t(t,e){this.observables=t,this.project=e}return t.prototype.call=function(t,e){return e.subscribe(new qt(t,this.observables,this.project))},t}(),qt=function(t){function e(e,n,r){var i=t.call(this,e)||this;i.observables=n,i.project=r,i.toRespond=[];var o=n.length;i.values=new Array(o);for(var u=0;u<o;u++)i.toRespond.push(u);for(u=0;u<o;u++){var s=n[u];i.add(U(i,s,s,u))}return i}return c(e,t),e.prototype.notifyNext=function(t,e,n,r,i){this.values[n]=e;var o=this.toRespond;if(o.length>0){var u=o.indexOf(n);-1!==u&&o.splice(u,1)}},e.prototype.notifyComplete=function(){},e.prototype._next=function(t){if(0===this.toRespond.length){var e=[t].concat(this.values);this.project?this._tryProject(e):this.destination.next(e)}},e.prototype._tryProject=function(t){var e;try{e=this.project.apply(this,t)}catch(t){return void this.destination.error(t)}this.destination.next(e)},e}(W);function kt(t,e){return function(n){return n.lift(new Mt(t,e))}}var Mt=function(){function t(t,e){this.predicate=t,this.thisArg=e}return t.prototype.call=function(t,e){return e.subscribe(new Ht(t,this.predicate,this.thisArg))},t}(),Ht=function(t){function e(e,n,r){var i=t.call(this,e)||this;return i.predicate=n,i.thisArg=r,i.count=0,i}return c(e,t),e.prototype._next=function(t){var e;try{e=this.predicate.call(this.thisArg,t,this.count++)}catch(t){return void this.destination.error(t)}e&&this.destination.next(t)},e}(g);function $t(t,e){return e?et((function(){return t}),e):et((function(){return t}))}function Dt(t,e){return Object.prototype.hasOwnProperty.call(e,t)}var Lt=Object.prototype.toString,Rt=function(){return"[object Arguments]"===Lt.call(arguments)?function(t){return"[object Arguments]"===Lt.call(t)}:function(t){return Dt("callee",t)}}(),Ft=!{toString:null}.propertyIsEnumerable("toString"),Vt=["constructor","valueOf","isPrototypeOf","toString","propertyIsEnumerable","hasOwnProperty","toLocaleString"],zt=function(){return arguments.propertyIsEnumerable("length")}(),Xt=function(t,e){for(var n=0;n<t.length;){if(t[n]===e)return!0;n+=1}return!1},Yt="function"!=typeof Object.keys||zt?i((function(t){if(Object(t)!==t)return[];var e,n,r=[],i=zt&&Rt(t);for(e in t)!Dt(e,t)||i&&"length"===e||(r[r.length]=e);if(Ft)for(n=Vt.length-1;n>=0;)Dt(e=Vt[n],t)&&!Xt(r,e)&&(r[r.length]=e),n-=1;return r})):i((function(t){return Object(t)!==t?[]:Object.keys(t)}));var Ut=function(){function t(t,e,n){void 0===n&&(n=!1),this.accumulator=t,this.seed=e,this.hasSeed=n}return t.prototype.call=function(t,e){return e.subscribe(new Wt(t,this.accumulator,this.seed,this.hasSeed))},t}(),Wt=function(t){function e(e,n,r,i){var o=t.call(this,e)||this;return o.accumulator=n,o._seed=r,o.hasSeed=i,o.index=0,o}return c(e,t),Object.defineProperty(e.prototype,"seed",{get:function(){return this._seed},set:function(t){this.hasSeed=!0,this._seed=t},enumerable:!0,configurable:!0}),e.prototype._next=function(t){if(this.hasSeed)return this._tryNext(t);this.seed=t,this.destination.next(t)},e.prototype._tryNext=function(t){var e,n=this.index++;try{e=this.accumulator(this.seed,t,n)}catch(t){this.destination.error(t)}this.seed=e,this.destination.next(e)},e}(g);function Bt(t,e){return void 0===e&&(e=document),e.querySelector(t)||void 0}var Gt={};function Jt(){for(var t=[],e=0;e<arguments.length;e++)t[e]=arguments[e];var n=null,r=null;return P(t[t.length-1])&&(r=t.pop()),"function"==typeof t[t.length-1]&&(n=t.pop()),1===t.length&&d(t[0])&&(t=t[0]),M(t,r).lift(new Kt(n))}var Kt=function(){function t(t){this.resultSelector=t}return t.prototype.call=function(t,e){return e.subscribe(new Qt(t,this.resultSelector))},t}(),Qt=function(t){function e(e,n){var r=t.call(this,e)||this;return r.resultSelector=n,r.active=0,r.values=[],r.observables=[],r}return c(e,t),e.prototype._next=function(t){this.values.push(Gt),this.observables.push(t)},e.prototype._complete=function(){var t=this.observables,e=t.length;if(0===e)this.destination.complete();else{this.active=e,this.toRespond=e;for(var n=0;n<e;n++){var r=t[n];this.add(U(this,r,r,n))}}},e.prototype.notifyComplete=function(t){0==(this.active-=1)&&this.destination.complete()},e.prototype.notifyNext=function(t,e,n,r,i){var o=this.values,u=o[n],s=this.toRespond?u===Gt?--this.toRespond:this.toRespond:0;o[n]=e,0===s&&(this.resultSelector?this._tryResultSelector(o):this.destination.next(o.slice()))},e.prototype._tryResultSelector=function(t){var e;try{e=this.resultSelector.apply(this,t)}catch(t){return void this.destination.error(t)}this.destination.next(e)},e}(W);var Zt=function(){function t(t){this.notifier=t}return t.prototype.call=function(t,e){var n=new te(t),r=U(n,this.notifier);return r&&!n.seenValue?(n.add(r),e.subscribe(n)):n},t}(),te=function(t){function e(e){var n=t.call(this,e)||this;return n.seenValue=!1,n}return c(e,t),e.prototype.notifyNext=function(t,e,n,r,i){this.seenValue=!0,this.complete()},e.prototype.notifyComplete=function(){},e}(W),ee=function(t,e){var n="function"==typeof Symbol&&t[Symbol.iterator];if(!n)return t;var r,i,o=n.call(t),u=[];try{for(;(void 0===e||e-- >0)&&!(r=o.next()).done;)u.push(r.value)}catch(t){i={error:t}}finally{try{r&&!r.done&&(n=o.return)&&n.call(o)}finally{if(i)throw i.error}}return u};function ne(t,e){var n=t.pipe(kt((function(t){return t}))),r=t.pipe(kt((function(t){return!t})));return E(et((function(t){return Jt([H(t),n])})),et((function(t){var n,i=ee(t,2),o=i[0];return i[1]?e(o).pipe((n=r,function(t){return t.lift(new Zt(n))})):$})))}var re=function(){return(re=Object.assign||function(t){for(var e,n=1,r=arguments.length;n<r;n++)for(var i in e=arguments[n])Object.prototype.hasOwnProperty.call(e,i)&&(t[i]=e[i]);return t}).apply(this,arguments)},ie=function(t){var e="function"==typeof Symbol&&Symbol.iterator,n=e&&t[e],r=0;if(n)return n.call(t);if(t&&"number"==typeof t.length)return{next:function(){return t&&r>=t.length&&(t=void 0),{value:t&&t[r++],done:!t}}};throw new TypeError(e?"Object is not iterable.":"Symbol.iterator is not defined.")};function oe(t,e){return tt(e.load$,e.switch$).pipe(I((function(e){return t.reduce((function(t,n){var r,i=Bt("[data-md-component="+n+"]",e);return re(re({},t),void 0!==i?((r={})[n]=i,r):{})}),{})})),function(t,e){var n=!1;return arguments.length>=2&&(n=!0),function(r){return r.lift(new Ut(t,e,n))}}((function(t,e){var n,r;try{for(var i=ie(Yt(t)),o=i.next();!o.done;o=i.next()){var u=o.value;switch(u){case"title":case"container":u in t&&void 0!==t[u]&&(t[u].replaceWith(e[u]),t[u]=e[u]);break;default:t[u]=Bt("[data-md-component="+u+"]")}}}catch(t){n={error:t}}finally{try{o&&!o.done&&(r=i.return)&&r.call(i)}finally{if(n)throw n.error}}return t}))).pipe(St(1))}function ue(t){return e=function(){var e="fixed"===getComputedStyle(t).getPropertyValue("position");return H({sticky:e,height:e?t.offsetHeight:0})},new O((function(t){var n;try{n=e()}catch(e){return void t.error(e)}return(n?G(n):D()).subscribe(t)}));var e}function se(t,e){return function(n){return n.lift(new ce(t,e))}}var ce=function(){function t(t,e){this.compare=t,this.keySelector=e}return 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mn(){return{width:innerWidth,height:innerHeight}}n.d(e,"initialize",(function(){return xn}));var gn=function(t,e){var n="function"==typeof Symbol&&t[Symbol.iterator];if(!n)return t;var r,i,o=n.call(t),u=[];try{for(;(void 0===e||e-- >0)&&!(r=o.next()).done;)u.push(r.value)}catch(t){i={error:t}}finally{try{r&&!r.done&&(n=o.return)&&n.call(o)}finally{if(i)throw i.error}}return u},_n=["header","title","search","query","reset","result","container","main","hero","tabs","navigation","toc"];function xn(t){if(!function(t){return"object"==typeof t&&"string"==typeof t.base}(t))throw new SyntaxError("Invalid configuration: "+JSON.stringify(t));var e=tt(bn,vn).pipe(I(wn),Qe(wn()),St(1)),n=vn.pipe(I(mn),Qe(mn()),St(1)),r=yn("(min-width: 1220px)"),i=yn("(min-width: 960px)"),o=function(){var t=new ct;return dn.pipe(I((function(){return location.href})),ln()).subscribe(t),t}(),s=pn.pipe(I((function(){return location.hash})),kt((function(t){return t.length>0})),ln()),c=en.pipe(ge(document),St(1)),a=nn({location$:o}),f=oe(_n,{load$:c,switch$:a}),h=function(t){return f.pipe(function(t){return E(et((function(e){return void 0!==e[t]?H(e[t]):L})))}(t))},l=h("header").pipe(et(ue)),p=h("main").pipe(et((function(t){return function(t,e){var n=e.size$,r=e.offset$,i=e.header$.pipe(we("height")),o=Jt([r,n,i]).pipe(I((function(e){var n=me(e,3),r=n[0].y,i=n[1].height,o=n[2],u=t.offsetTop,s=t.offsetHeight+u;return i-Math.max(0,u-r,o)-Math.max(0,i+r-s)})),se()),u=Jt([r,i]).pipe(I((function(e){var n=me(e,2),r=n[0].y,i=n[1];return r>=t.offsetTop-i})),se());return Jt([o,i,u]).pipe(I((function(e){var n=me(e,3),r=n[0],i=n[1],o=n[2];return{offset:t.offsetTop-i,height:r,active:o}})),St(1))}(t,{size$:n,offset$:e,header$:l})})),St(1));c.pipe(et((function(t){return C(t.body,"click")})),et((function(t){if(t.target instanceof HTMLElement){var e=t.target.closest("a")||void 0;if(e){/^(https?:|#)/.test(e.getAttribute("href"))||t.preventDefault();var n=e.href;return history.pushState({},"",n),H(n)}}return $})),Et((function(t){/#/.test(t)||scrollTo({top:0})})),It(250)).subscribe(o),o.subscribe((function(t){console.log("L",t)})),a.subscribe((function(t){console.log("S",t)})),h("header").pipe(et((function(t){return p.pipe(Me(t))}))).subscribe(),h("navigation").pipe(ne(r,(function(t){return qe(t,{offset$:e,main$:p}).pipe(ke(t))})),St(1)).subscribe(),h("toc").pipe(ne(i,(function(t){return qe(t,{offset$:e,main$:p}).pipe(ke(t))})),St(1)).subscribe(),h("tabs").pipe(ne(r,(function(t){return he(t,{size$:n,offset$:e,header$:l}).pipe(ve(t,8))})),St(1)).subscribe(),h("hero").pipe(et((function(t){return he(t,{size$:n,offset$:e,header$:l}).pipe(ve(t,20))})),St(1)).subscribe(),h("main").pipe(It(1e3),et((function(t){return void 0!==Bt("h1",t)?function(t,e){var n=e.size$,r=e.offset$,i=e.header$;return Jt([r,n.pipe($t(i),I((function(e){var n=e.height;return t.offsetTop+t.offsetHeight-n})),se())]).pipe(I((function(t){var e=fe(t,2),n=e[0];return{x:n.x,y:n.y-e[1]}})),St(1))}(Bt("h1",t),{size$:n,offset$:e,header$:l}).pipe(I((function(t){return t.y>=0})),function(){for(var t=[],e=0;e<arguments.length;e++)t[e]=arguments[e];return function(e){var n;"function"==typeof t[t.length-1]&&(n=t.pop());var r=t;return e.lift(new Pt(r,n))}}(h("title")),Et((function(t){var e=gn(t,2),n=e[0];e[1].dataset.mdState=n?"active":""}))):L}))).subscribe();Bt("[data-md-toggle=drawer]");var d,y=Bt("[data-md-toggle=search]");return tt((d=y,C(d,"change").pipe(we("checked"))).pipe(kt(u),It(400)),h("reset").pipe(et(Se))).pipe($t(h("query")),E(Et((function(t){return t.focus()})))).subscribe(),{watchDocument:function(){return c},watchDocumentSwitch:function(){return a},watchLocation:function(){return o},watchLocationFragment:function(){return s},watchMediaScreen:function(){return r},watchMediaTablet:function(){return i},watchViewportOffset:function(){return e},watchViewportSize:function(){return n}}}document.documentElement.classList.remove("no-js"),document.documentElement.classList.add("js")}]));
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