//deka-dom-el library is available via global namespace `dde`
(()=> {
var D={isObservable(t){return!1},processReactiveAttribute(t,e,n,r){return n}};function $(t,e=!0){return e?Object.assign(D,t):(Object.setPrototypeOf(t,D),t)}function P(t){return D.isPrototypeOf(t)&&t!==D?t:D}function O(t){return typeof t>"u"}function G(t){let e=typeof t;return e!=="object"?e:t===null?"null":Object.prototype.toString.call(t)}function L(t,e){if(!t||!(t instanceof AbortSignal))return!0;if(!t.aborted)return t.addEventListener("abort",e),function(){t.removeEventListener("abort",e)}}function T(t,e){let{observedAttributes:n=[]}=t.constructor;return n.reduce(function(r,o){return Reflect.set(r,ft(o),e(t,o)),r},{})}function ft(t){return t.replace(/-./g,e=>e[1].toUpperCase())}var d={setDeleteAttr:ut,ssr:"",D:globalThis.document,F:globalThis.DocumentFragment,H:globalThis.HTMLElement,S:globalThis.SVGElement,M:globalThis.MutationObserver};function ut(t,e,n){if(Reflect.set(t,e,n),!!O(n)){if(Reflect.deleteProperty(t,e),t instanceof d.H&&t.getAttribute(e)==="undefined")return 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p=k.mark({type:"component",name:t.name,host:a?"this":"parentElement"});c.prepend(p),a&&(s=p);break}case t==="#text":c=S.call(this,d.D.createTextNode(""),e);break;case(t==="<>"||!t):c=S.call(this,d.D.createDocumentFragment(),e);break;case!!j:c=S.call(this,d.D.createElementNS(j,t),e);break;case!c:c=S.call(this,d.D.createElement(t),e)}return at(c),s||(s=c),n.forEach(a=>a(s)),o&&v.pop(),o=2,c}function Nt(t,e=t,n=void 0){let r=Symbol.for("default"),o=Array.from(e.querySelectorAll("slot")).reduce((s,a)=>Reflect.set(s,a.name||r,a)&&s,{}),c=Reflect.has(o,r);if(t.append=new Proxy(t.append,{apply(s,a,p){if(!p.length)return t;let l=d.D.createDocumentFragment();for(let b of p){if(!b||!b.slot){c&&l.appendChild(b);continue}let N=b.slot,i=o[N];lt(b,"remove","slot"),i&&(dt(i,b,n),Reflect.deleteProperty(o,N))}return c&&(o[r].replaceWith(l),Reflect.deleteProperty(o,r)),t.append=s,t}}),t!==e){let s=Array.from(t.childNodes);s.forEach(a=>a.remove()),t.append(...s)}return e}function dt(t,e,n){n&&n(t,e);try{t.replaceWith(S(e,{className:[e.className,t.className],dataset:{...t.dataset}}))}catch{t.replaceWith(e)}}k.mark=function(t,e=!1){t=Object.entries(t).map(([o,c])=>o+`="${c}"`).join(" ");let n=e?"":"/",r=d.D.createComment(`<dde:mark ${t}${d.ssr}${n}>`);return e&&(r.end=d.D.createComment("</dde:mark>")),r};function Pt(t){let e=this;return function(...r){j=t;let o=k.call(e,...r);return j=void 0,o}}var M=new WeakMap,{setDeleteAttr:K}=d;function S(t,...e){if(!e.length)return t;M.set(t,Y(t,this));for(let[n,r]of Object.entries(Object.assign({},...e)))X.call(this,t,n,r);return M.delete(t),t}function X(t,e,n){let{setRemoveAttr:r,s:o}=Y(t,this),c=this;n=o.processReactiveAttribute(t,e,n,(a,p)=>X.call(c,t,a,p));let[s]=e;if(s==="=")return r(e.slice(1),n);if(s===".")return Q(t,e.slice(1),n);if(/(aria|data)([A-Z])/.test(e))return e=e.replace(/([a-z])([A-Z])/g,"$1-$2").toLowerCase(),r(e,n);switch(e==="className"&&(e="class"),e){case"xlink:href":return r(e,n,"http://www.w3.org/1999/xlink");case"textContent":return K(t,e,n);case"style":if(typeof n!="object")break;case"dataset":return U(o,n,Q.bind(null,t[e]));case"ariaset":return U(o,n,(a,p)=>r("aria-"+a,p));case"classList":return pt.call(c,t,n)}return ht(t,e)?K(t,e,n):r(e,n)}function Y(t,e){if(M.has(t))return M.get(t);let r=(t instanceof d.S?vt:bt).bind(null,t,"Attribute"),o=P(e);return{setRemoveAttr:r,s:o}}function pt(t,e){let n=P(this);return U(n,e,(r,o)=>t.classList.toggle(r,o===-1?void 0:!!o)),t}function Lt(t){return Array.from(t.children).forEach(e=>e.remove()),t}function lt(t,e,n,r){return t instanceof d.H?t[e+"Attribute"](n,r):t[e+"AttributeNS"](null,n,r)}function ht(t,e){if(!Reflect.has(t,e))return!1;let n=tt(t,e);return!O(n.set)}function tt(t,e){if(t=Object.getPrototypeOf(t),!t)return{};let n=Object.getOwnPropertyDescriptor(t,e);return n||tt(t,e)}function U(t,e,n){if(!(typeof e!="object"||e===null))return Object.entries(e).forEach(function([o,c]){o&&(c=t.processReactiveAttribute(e,o,c,n),n(o,c))})}function et(t){return Array.isArray(t)?t.filter(Boolean).join(" "):t}function bt(t,e,n,r){return t[(O(r)?"remove":"set")+e](n,et(r))}function vt(t,e,n,r,o=null){return t[(O(r)?"remove":"set")+e+"NS"](o,n,et(r))}function Q(t,e,n){if(Reflect.set(t,e,n),!!O(n))return Reflect.deleteProperty(t,e)}function qt(t,e,n=gt){v.push({scope:t,host:(...o)=>o.length?o.forEach(c=>c(t)):t,custom_element:t}),typeof n=="function"&&(n=n.call(t,t));let r=e.call(t,n);return v.pop(),r}function Ft(t){return z(t.prototype,"connectedCallback",function(e,n,r){e.apply(n,r),n.dispatchEvent(new Event("dde:connected"))}),t.prototype[x]||(t.prototype[x]="dde"),z(t.prototype,"disconnectedCallback",function(e,n,r){e.apply(n,r);let o=()=>n.dispatchEvent(new Event("dde:disconnected"));if(n[x]!=="dde")return 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Event(s)),c):(L(e.signal,()=>W.offConnected(c,t))&&W.onConnected(c,t),c)}};y.disconnected=function(t,e){let{custom_element:n}=v.current,r="disconnected";return typeof e!="object"&&(e={}),typeof e.once!="boolean"&&(e.once=!0),function(c){n&&(c=n),c[x]||(c[x]="dde");let s="dde:"+r;return c.addEventListener(s,t,e),c[C]||L(e.signal,()=>W.offDisconnected(c,t))&&W.onDisconnected(c,t),c}};var H=new WeakMap;y.disconnectedAsAbort=function(t){if(H.has(t))return H.get(t);let e=new AbortController;return H.set(t,e),t(y.disconnected(()=>e.abort())),e};y.attributeChanged=function(t,e){let n="attributeChanged";return typeof e!="object"&&(e={}),function(o){let c="dde:"+n;if(o.addEventListener(c,t,e),o[C]||Et.has(o)||!d.M)return o;let s=new d.M(function(p){for(let{attributeName:l,target:b}of p)b.dispatchEvent(new CustomEvent(c,{detail:[l,b.getAttribute(l)]}))});return L(e.signal,()=>s.disconnect())&&s.observe(o,{attributes:!0}),o}};function mt(){let t=new Map,e=!1,n=new d.M(function(i){for(let f of i)if(f.type==="childList"){if(l(f.addedNodes,!0)){s();continue}b(f.removedNodes,!0)&&s()}});return{onConnected(i,f){c();let u=o(i);u.connected.has(f)||(u.connected.add(f),u.length_c+=1)},offConnected(i,f){if(!t.has(i))return;let u=t.get(i);u.connected.has(f)&&(u.connected.delete(f),u.length_c-=1,r(i,u))},onDisconnected(i,f){c();let u=o(i);u.disconnected.has(f)||(u.disconnected.add(f),u.length_d+=1)},offDisconnected(i,f){if(!t.has(i))return;let u=t.get(i);u.disconnected.has(f)&&(u.disconnected.delete(f),u.length_d-=1,r(i,u))}};function r(i,f){f.length_c||f.length_d||(t.delete(i),s())}function o(i){if(t.has(i))return t.get(i);let f={connected:new WeakSet,length_c:0,disconnected:new WeakSet,length_d:0};return t.set(i,f),f}function c(){e||(e=!0,n.observe(d.D.body,{childList:!0,subtree:!0}))}function s(){!e||t.size||(e=!1,n.disconnect())}function a(){return new Promise(function(i){(requestIdleCallback||requestAnimationFrame)(i)})}async function p(i){t.size>30&&await a();let f=[];if(!(i instanceof Node))return f;for(let u of t.keys())u===i||!(u instanceof Node)||i.contains(u)&&f.push(u);return f}function l(i,f){let u=!1;for(let m of i){if(f&&p(m).then(l),!t.has(m))continue;let R=t.get(m);R.length_c&&(m.dispatchEvent(new Event("dde:connected")),R.connected=new WeakSet,R.length_c=0,R.length_d||t.delete(m),u=!0)}return u}function b(i,f){let u=!1;for(let m of i){if(f&&p(m).then(b),!t.has(m)||!t.get(m).length_d)continue;let Z=N(m);m[x]==="dde"?(queueMicrotask||setTimeout)(Z):Z(),u=!0}return u}function N(i){return()=>{i.isConnected||(i.dispatchEvent(new Event("dde:disconnected")),t.delete(i))}}}var h=Symbol.for("observable");function q(t){try{return Reflect.has(t,h)}catch{return!1}}var F=[],g=new WeakMap;function E(t,e){if(typeof t!="function")return nt(!1,t,e);if(q(t))return t;let n=nt(!0),r=function(){let[o,...c]=g.get(r);if(g.set(r,new Set([o])),F.push(r),it(n,t()),F.pop(),!c.length)return;let s=g.get(r);for(let a of c)s.has(a)||w(a,r)};return g.set(n[h],r),g.set(r,new 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globalThis.dde= {O: E,
assign: S,
assignAttribute: X,
chainableAppend: at,
classListDeclarative: pt,
createElement: k,
createElementNS: Pt,
customElementRender: qt,
customElementWithDDE: Ft,
dispatchEvent: Ht,
el: k,
elNS: Pt,
elementAttribute: lt,
empty: Lt,
isObservable: q,
lifecycleToEvents: Ft,
observable: E,
observedAttributes: gt,
on: y,
registerReactivity: $,
scope: v,
simulateSlots: Nt
};

})();