deka-dom-el/dist/dde-with-observables.js

//deka-dom-el library is available via global namespace `dde`
(()=> {
var R={isObservable(t){return!1},processReactiveAttribute(t,e,n,r){return n}};function F(t,e=!0){return e?Object.assign(R,t):(Object.setPrototypeOf(t,R),t)}function N(t){return R.isPrototypeOf(t)&&t!==R?t:R}function A(t){return typeof t>"u"}function J(t){let e=typeof t;return e!=="object"?e:t===null?"null":Object.prototype.toString.call(t)}function P(t,e){if(!t||!(t instanceof AbortSignal))return!0;if(!t.aborted)return t.addEventListener("abort",e),function(){t.removeEventListener("abort",e)}}function L(t,e){let{observedAttributes:n=[]}=t.constructor;return n.reduce(function(r,o){return Reflect.set(r,st(o),e(t,o)),r},{})}function st(t){return t.replace(/-./g,e=>e[1].toUpperCase())}var d={setDeleteAttr:it,ssr:"",D:globalThis.document,F:globalThis.DocumentFragment,H:globalThis.HTMLElement,S:globalThis.SVGElement,M:globalThis.MutationObserver};function it(t,e,n){if(Reflect.set(t,e,n),!!A(n)){if(Reflect.deleteProperty(t,e),t instanceof d.H&&t.getAttribute(e)==="undefined")return t.removeAttribute(e);if(Reflect.get(t,e)==="undefined")return Reflect.set(t,e,"")}}var _="__dde_lifecycleToEvents";var y=[{get scope(){return d.D.body},host:t=>t?t(d.D.body):d.D.body,custom_element:!1,prevent:!0}],v={get current(){return y[y.length-1]},get host(){return this.current.host},preventDefault(){let{current:t}=this;return t.prevent=!0,t},get state(){return[...y]},push(t={}){return y.push(Object.assign({},this.current,{prevent:!1},t))},pushRoot(){return y.push(y[0])},pop(){if(y.length!==1)return y.pop()}};function Z(...t){return this.appendOriginal(...t),this}function ut(t){return t.append===Z||(t.appendOriginal=t.append,t.append=Z),t}var T;function D(t,e,...n){let r=N(this),o=0,c,s;switch((Object(e)!==e||r.isObservable(e))&&(e={textContent:e}),!0){case typeof t=="function":{o=1,v.push({scope:t,host:(...p)=>p.length?(o===1?n.unshift(...p):p.forEach(b=>b(s)),void 0):s}),c=t(e||void 0);let a=c instanceof d.F;if(c.nodeName==="#comment")break;let l=D.mark({type:"component",name:t.name,host:a?"this":"parentElement"});c.prepend(l),a&&(s=l);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!!T:c=S.call(this,d.D.createElementNS(T,t),e);break;case!c:c=S.call(this,d.D.createElement(t),e)}return ut(c),s||(s=c),n.forEach(a=>a(s)),o&&v.pop(),o=2,c}function Dt(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,l){if(!l.length)return t;let p=d.D.createDocumentFragment();for(let b of l){if(!b||!b.slot){c&&p.appendChild(b);continue}let k=b.slot,i=o[k];dt(b,"remove","slot"),i&&(ft(i,b,n),Reflect.deleteProperty(o,k))}return c&&(o[r].replaceWith(p),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 ft(t,e,n){n&&n(t,e);try{t.replaceWith(S(e,{className:[e.className,t.className],dataset:{...t.dataset}}))}catch{t.replaceWith(e)}}D.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 kt(t){let e=this;return function(...r){T=t;let o=D.call(e,...r);return T=void 0,o}}var j=new WeakMap,{setDeleteAttr:G}=d;function S(t,...e){if(!e.length)return t;j.set(t,Q(t,this));for(let[n,r]of Object.entries(Object.assign({},...e)))K.call(this,t,n,r);return j.delete(t),t}function K(t,e,n){let{setRemoveAttr:r,s:o}=Q(t,this),c=this;n=o.processReactiveAttribute(t,e,n,(a,l)=>K.call(c,t,a,l));let[s]=e;if(s==="=")return r(e.slice(1),n);if(s===".")return V(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 G(t,e,n);case"style":if(typeof n!="object")break;case"dataset":return $(o,n,V.bind(null,t[e]));case"ariaset":return $(o,n,(a,l)=>r("aria-"+a,l));case"classList":return at.call(c,t,n)}return lt(t,e)?G(t,e,n):r(e,n)}function Q(t,e){if(j.has(t))return j.get(t);let r=(t instanceof d.S?ht:pt).bind(null,t,"Attribute"),o=N(e);return{setRemoveAttr:r,s:o}}function at(t,e){let n=N(this);return $(n,e,(r,o)=>t.classList.toggle(r,o===-1?void 0:!!o)),t}function Nt(t){return Array.from(t.children).forEach(e=>e.remove()),t}function dt(t,e,n,r){return t instanceof d.H?t[e+"Attribute"](n,r):t[e+"AttributeNS"](null,n,r)}function lt(t,e){if(!Reflect.has(t,e))return!1;let n=X(t,e);return!A(n.set)}function X(t,e){if(t=Object.getPrototypeOf(t),!t)return{};let n=Object.getOwnPropertyDescriptor(t,e);return n||X(t,e)}function $(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 Y(t){return Array.isArray(t)?t.filter(Boolean).join(" "):t}function pt(t,e,n,r){return t[(A(r)?"remove":"set")+e](n,Y(r))}function ht(t,e,n,r,o=null){return t[(A(r)?"remove":"set")+e+"NS"](o,n,Y(r))}function V(t,e,n){if(Reflect.set(t,e,n),!!A(n))return Reflect.deleteProperty(t,e)}function Mt(t,e,n=bt){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 Wt(t){return U(t.prototype,"connectedCallback",function(e,n,r){e.apply(n,r),n.dispatchEvent(new Event("dde:connected"))}),U(t.prototype,"disconnectedCallback",function(e,n,r){e.apply(n,r),(queueMicrotask||setTimeout)(()=>!n.isConnected&&n.dispatchEvent(new Event("dde:disconnected")))}),U(t.prototype,"attributeChangedCallback",function(e,n,r){let[o,,c]=r;n.dispatchEvent(new CustomEvent("dde:attributeChanged",{detail:[o,c]})),e.apply(n,r)}),t.prototype[_]=!0,t}function U(t,e,n){t[e]=new Proxy(t[e]||(()=>{}),{apply:n})}function bt(t){return L(t,(e,n)=>e.getAttribute(n))}function Ut(t,e,n){return e||(e={}),function(o,...c){n&&(c.unshift(o),o=typeof n=="function"?n():n);let s=c.length?new CustomEvent(t,Object.assign({detail:c[0]},e)):new Event(t,e);return o.dispatchEvent(s)}}function x(t,e,n){return function(o){return o.addEventListener(t,e,n),o}}var M=d.M?gt():new Proxy({},{get(){return()=>{}}}),vt=new WeakSet;x.connected=function(t,e){let{custom_element:n}=v.current,r="connected";return typeof e!="object"&&(e={}),e.once=!0,function(c){n&&(c=n);let s="dde:"+r;return c.addEventListener(s,t,e),c[_]?c:c.isConnected?(c.dispatchEvent(new Event(s)),c):(P(e.signal,()=>M.offConnected(c,t))&&M.onConnected(c,t),c)}};x.disconnected=function(t,e){let{custom_element:n}=v.current,r="disconnected";return typeof e!="object"&&(e={}),e.once=!0,function(c){n&&(c=n);let s="dde:"+r;return c.addEventListener(s,t,e),c[_]||P(e.signal,()=>M.offDisconnected(c,t))&&M.onDisconnected(c,t),c}};var z=new WeakMap;x.disconnectedAsAbort=function(t){if(z.has(t))return z.get(t);let e=new AbortController;return z.set(t,e),t(x.disconnected(()=>e.abort())),e};x.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[_]||vt.has(o)||!d.M)return o;let s=new d.M(function(l){for(let{attributeName:p,target:b}of l)b.dispatchEvent(new CustomEvent(c,{detail:[p,b.getAttribute(p)]}))});return P(e.signal,()=>s.disconnect())&&s.observe(o,{attributes:!0}),o}};function gt(){let t=new Map,e=!1,n=new d.M(function(i){for(let u of i)if(u.type==="childList"){if(p(u.addedNodes,!0)){s();continue}b(u.removedNodes,!0)&&s()}});return{onConnected(i,u){c();let f=o(i);f.connected.has(u)||(f.connected.add(u),f.length_c+=1)},offConnected(i,u){if(!t.has(i))return;let f=t.get(i);f.connected.has(u)&&(f.connected.delete(u),f.length_c-=1,r(i,f))},onDisconnected(i,u){c();let f=o(i);f.disconnected.has(u)||(f.disconnected.add(u),f.length_d+=1)},offDisconnected(i,u){if(!t.has(i))return;let f=t.get(i);f.disconnected.has(u)&&(f.disconnected.delete(u),f.length_d-=1,r(i,f))}};function r(i,u){u.length_c||u.length_d||(t.delete(i),s())}function o(i){if(t.has(i))return t.get(i);let u={connected:new WeakSet,length_c:0,disconnected:new WeakSet,length_d:0};return t.set(i,u),u}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 l(i){t.size>30&&await a();let u=[];if(!(i instanceof Node))return u;for(let f of t.keys())f===i||!(f instanceof Node)||i.contains(f)&&u.push(f);return u}function p(i,u){let f=!1;for(let E of i){if(u&&l(E).then(p),!t.has(E))continue;let C=t.get(E);C.length_c&&(E.dispatchEvent(new Event("dde:connected")),C.connected=new WeakSet,C.length_c=0,C.length_d||t.delete(E),f=!0)}return f}function b(i,u){let f=!1;for(let E of i)u&&l(E).then(b),!(!t.has(E)||!t.get(E).length_d)&&((queueMicrotask||setTimeout)(k(E)),f=!0);return f}function k(i){return()=>{i.isConnected||(i.dispatchEvent(new Event("dde:disconnected")),t.delete(i))}}}var h=Symbol.for("observable");function W(t){try{return Reflect.has(t,h)}catch{return!1}}var q=[],g=new WeakMap;function m(t,e){if(typeof t!="function")return tt(!1,t,e);if(W(t))return t;let n=tt(!0),r=function(){let[o,...c]=g.get(r);if(g.set(r,new Set([o])),q.push(r),ct(n,t()),q.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 Set([n])),r(),n}m.action=function(t,e,...n){let r=t[h],{actions:o}=r;if(!o||!Reflect.has(o,e))throw new Error(`'${t}' has no action with name '${e}'!`);if(o[e].apply(r,n),r.skip)return Reflect.deleteProperty(r,"skip");r.listeners.forEach(c=>c(r.value))};m.on=function t(e,n,r={}){let{signal:o}=r;if(!(o&&o.aborted)){if(Array.isArray(e))return e.forEach(c=>t(c,n,r));I(e,n),o&&o.addEventListener("abort",()=>w(e,n))}};m.symbols={onclear:Symbol.for("Observable.onclear")};m.clear=function(...t){for(let n of t){Reflect.deleteProperty(n,"toJSON");let r=n[h];r.onclear.forEach(o=>o.call(r)),e(n,r),Reflect.deleteProperty(n,h)}function e(n,r){r.listeners.forEach(o=>{if(r.listeners.delete(o),!g.has(o))return;let c=g.get(o);c.delete(n),!(c.size>1)&&(n.clear(...c),g.delete(o))})}};var O="__dde_reactive";m.el=function(t,e){let n=D.mark({type:"reactive"},!0),r=n.end,o=d.D.createDocumentFragment();o.append(n,r);let{current:c}=v,s=a=>{if(!n.parentNode||!r.parentNode)return w(t,s);v.push(c);let l=e(a);v.pop(),Array.isArray(l)||(l=[l]);let p=n;for(;(p=n.nextSibling)!==r;)p.remove();n.after(...l),n.isConnected&&mt(c.host())};return I(t,s),rt(t,s,n,e),s(t()),o};function mt(t){!t||!t[O]||(requestIdleCallback||setTimeout)(function(){t[O]=t[O].filter(([e,n])=>n.isConnected?!0:(w(...e),!1))})}var Et={_set(t){this.value=t}};function xt(t){return function(e,n){let r=(...c)=>c.length?e.setAttribute(n,...c):e.getAttribute(n),o=ot(r,r(),Et);return t[n]=o,o}}var H="__dde_attributes";m.observedAttributes=function(t){let e=t[H]={},n=L(t,xt(e));return x.attributeChanged(function({detail:o}){/*! This maps attributes to observables (`O.observedAttributes`).
	* Investigate `__dde_attributes` key of the element.*/let[c,s]=o,a=this[H][c];if(a)return m.action(a,"_set",s)})(t),x.disconnected(function(){/*! This removes all observables mapped to attributes (`O.observedAttributes`).
	* Investigate `__dde_attributes` key of the element.*/m.clear(...Object.values(this[H]))})(t),n};var nt={isObservable:W,processReactiveAttribute(t,e,n,r){if(!W(n))return n;let o=c=>{if(!t.isConnected)return w(n,o);r(e,c)};return I(n,o),rt(n,o,t,e),n()}};function rt(t,e,...n){let{current:r}=v;r.prevent||r.host(function(o){o[O]||(o[O]=[],x.disconnected(()=>o[O].forEach(([[c,s]])=>w(c,s,c[h]?.host()===o)))(o)),o[O].push([[t,e],...n])})}function tt(t,e,n){let r=t?()=>et(r):(...o)=>o.length?ct(r,...o):et(r);return ot(r,e,n)}var yt=Object.assign(Object.create(null),{stopPropagation(){this.skip=!0}}),B=class extends Error{constructor(){super();let[e,...n]=this.stack.split(`
`),r=e.slice(e.indexOf("@"),e.indexOf(".js:")+4);this.stack=n.find(o=>!o.includes(r))}};function ot(t,e,n){let r=[];J(n)!=="[object Object]"&&(n={});let{onclear:o}=m.symbols;n[o]&&(r.push(n[o]),Reflect.deleteProperty(n,o));let{host:c}=v;return Reflect.defineProperty(t,h,{value:{value:e,actions:n,onclear:r,host:c,listeners:new Set,defined:new B},enumerable:!1,writable:!1,configurable:!0}),t.toJSON=()=>t(),Object.setPrototypeOf(t[h],yt),t}function At(){return q[q.length-1]}function et(t){if(!t[h])return;let{value:e,listeners:n}=t[h],r=At();return r&&n.add(r),g.has(r)&&g.get(r).add(t),e}function ct(t,e,n){if(!t[h])return;let r=t[h];if(!(!n&&r.value===e))return r.value=e,r.listeners.forEach(o=>o(e)),e}function I(t,e){if(t[h])return t[h].listeners.add(e)}function w(t,e,n){let r=t[h];if(!r)return;let o=r.listeners.delete(e);if(n&&!r.listeners.size){if(m.clear(t),!g.has(r))return o;let c=g.get(r);if(!g.has(c))return o;g.get(c).forEach(s=>w(s,c,!0))}return o}F(nt);
globalThis.dde= {O: m,
assign: S,
assignAttribute: K,
chainableAppend: ut,
classListDeclarative: at,
createElement: D,
createElementNS: kt,
customElementRender: Mt,
customElementWithDDE: Wt,
dispatchEvent: Ut,
el: D,
elNS: kt,
elementAttribute: dt,
empty: Nt,
isObservable: W,
lifecycleToEvents: Wt,
observable: m,
observedAttributes: bt,
on: x,
registerReactivity: F,
scope: v,
simulateSlots: Dt
};

})();