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T;return n.pipe(W("active"),Qt(t),X(J)).subscribe(([{active:o},{hidden:i}])=>{o?$n(e,i?"hidden":"shadow"):Pn(e)}),r.subscribe(o=>n.next(o)),t.pipe(f(o=>N({ref:e},o)))}function Pi(e,{viewport$:t,header$:r}){return Mt(e,{header$:r,viewport$:t}).pipe(f(({offset:{y:n}})=>{let{height:o}=je(e);return{active:n>=o}}),W("active"))}function vo(e,t){let r=new T;r.pipe(X(J)).subscribe(({active:o})=>{o?Vn(e,"active"):Dn(e)});let n=ie("article h1");return typeof n=="undefined"?G:Pi(n,t).pipe(k(r),D(()=>r.complete()),f(o=>N({ref:e},o)))}function go(e,{viewport$:t,header$:r}){let n=r.pipe(f(({height:i})=>i),Q()),o=n.pipe(x(()=>ze(e).pipe(f(({height:i})=>({top:e.offsetTop,bottom:e.offsetTop+i})),W("bottom"))));return B([n,o,t]).pipe(f(([i,{top:a,bottom:c},{offset:{y:u},size:{height:s}}])=>(s=Math.max(0,s-Math.max(0,a-u,i)-Math.max(0,s+u-c)),{offset:a-i,height:s,active:a-i<=u})),Q((i,a)=>i.offset===a.offset&&i.height===a.height&&i.active===a.active))}var tr=it(Bt());function yo({alert$:e}){tr.default.isSupported()&&new O(t=>{new tr.default("[data-clipboard-target], [data-clipboard-text]").on("success",r=>t.next(r))}).subscribe(()=>e.next(K("clipboard.copied")))}function Vi(e){if(e.length<2)return e;let[t,r]=e.sort((i,a)=>i.length-a.length).map(i=>i.replace(/[^/]+$/,"")),n=0;if(t===r)n=t.length;else for(;t.charCodeAt(n)===r.charCodeAt(n);)n++;let o=ee();return e.map(i=>i.replace(t.slice(0,n),`${o.base}/`))}function xo({document$:e,location$:t,viewport$:r}){let n=ee();if(location.protocol==="file:")return;"scrollRestoration"in history&&(history.scrollRestoration="manual",w(window,"beforeunload").subscribe(()=>{history.scrollRestoration="auto"}));let o=ie("link[rel=icon]");typeof o!="undefined"&&(o.href=o.href);let i=yn(`${n.base}/sitemap.xml`).pipe(f(s=>Vi(q("loc",s).map(l=>l.textContent))),x(s=>w(document.body,"click").pipe(M(l=>!l.metaKey&&!l.ctrlKey),x(l=>{if(l.target instanceof Element){let 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r.pipe(W("value"),f(({value:n})=>({type:xe.QUERY,data:n}))).subscribe(t.next.bind(t)),r.pipe(W("focus")).subscribe(({focus:n})=>{n?(ke("search",n),Un(e,"")):Wn(e)}),w(e.form,"reset").pipe(Zr(r.pipe(Jr(1)))).subscribe(()=>Ae(e)),zi(e).pipe(k(r),D(()=>r.complete()),f(n=>N({ref:e},n)))}function _o(e,{rx$:t},{query$:r}){let n=new T,o=cn(e.parentElement).pipe(M(Boolean)),i=le(":scope > :first-child",e);n.pipe(X(J),he(r)).subscribe(([{data:u},{value:s}])=>{s?Qn(i,u.length):qn(i)});let a=le(":scope > :last-child",e);return n.pipe(X(J),k(()=>Yn(a)),x(({data:u})=>j(H(...u.slice(0,10)),H(...u.slice(10)).pipe(Te(4),rn(o),x(([s])=>H(...s)))))).subscribe(u=>{Kn(a,no(u))}),t.pipe(M(Lt),f(({data:u})=>({data:u})),U({data:[]})).pipe(k(n),D(()=>n.complete()),f(u=>N({ref:e},u)))}function Ho(e,{index$:t,keyboard$:r}){let n=ee(),o=Mo(n.search,t),i=_e("search-query",e),a=_e("search-result",e),{tx$:c,rx$:u}=o;c.pipe(M(To),nt(u.pipe(M(Oo))),rt(1)).subscribe(c.next.bind(c)),r.pipe(M(({mode:l})=>l==="search")).subscribe(l=>{let p=He();switch(l.type){case"Enter":p===i&&l.claim();break;case"Escape":case"Tab":ke("search",!1),Ae(i,!1);break;case"ArrowUp":case"ArrowDown":if(typeof p=="undefined")Ae(i);else{let d=[i,...q(":not(details) > [href], summary, details[open] [href]",a)],_=Math.max(0,(Math.max(0,d.indexOf(p))+d.length+(l.type==="ArrowUp"?-1:1))%d.length);Ae(d[_])}l.claim();break;default:i!==He()&&Ae(i)}}),r.pipe(M(({mode:l})=>l==="global")).subscribe(l=>{switch(l.type){case"f":case"s":case"/":Ae(i),un(i),l.claim();break}});let s=Lo(i,o);return j(s,_o(a,o,{query$:s}))}function Qi(e,{viewport$:t,main$:r}){let n=e.parentElement.offsetTop-e.parentElement.parentElement.offsetTop;return 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