lustre

globalThis.customElements&&!globalThis.customElements.get("lustre-fragment")&&globalThis.customElements.define("lustre-fragment",class extends HTMLElement{constructor(){super()}});function k(t,e,r){let s,i=[{prev:t,next:e,parent:t.parentNode}];for(;i.length;){let{prev:o,next:n,parent:l}=i.pop();for(;n.subtree!==void 0;)n=n.subtree();if(n.content!==void 0)if(o)if(o.nodeType===Node.TEXT_NODE)o.textContent!==n.content&&(o.textContent=n.content),s??=o;else{let a=document.createTextNode(n.content);l.replaceChild(a,o),s??=a}else{let a=document.createTextNode(n.content);l.appendChild(a),s??=a}else if(n.tag!==void 0){let a=P({prev:o,next:n,dispatch:r,stack:i});o?o!==a&&l.replaceChild(a,o):l.appendChild(a),s??=a}}return s}function R(t,e,r,s=0){let i=t.parentNode;for(let o of e[0]){let n=o[0].split("-"),l=o[1],a=E(i,n,s),c;if(a!==null&&a!==i)c=k(a,l,r);else{let p=E(i,n.slice(0,-1),s),g=document.createTextNode("");p.appendChild(g),c=k(g,l,r)}n==="0"&&(t=c)}for(let o of e[1]){let n=o[0].split("-");E(i,n,s).remove()}for(let o of e[2]){let n=o[0].split("-"),l=o[1],a=E(i,n,s),c=x.get(a),p=[];for(let g of l[0]){let h=g[0],y=g[1];if(h.startsWith("data-lustre-on-")){let m=h.slice(15),S=r(_);c.has(m)||a.addEventListener(m,w),c.set(m,S),a.setAttribute(h,y)}else(h.startsWith("delegate:data-")||h.startsWith("delegate:aria-"))&&a instanceof HTMLSlotElement?p.push([h.slice(10),y]):(a.setAttribute(h,y),(h==="value"||h==="selected")&&(a[h]=y));if(p.length>0)for(let m of a.assignedElements())for(let[S,A]of p)m[S]=A}for(let g of l[1])if(g.startsWith("data-lustre-on-")){let h=g.slice(15);a.removeEventListener(h,w),c.delete(h)}else a.removeAttribute(g)}return t}function P({prev:t,next:e,dispatch:r,stack:s}){let i=e.namespace||"http://www.w3.org/1999/xhtml",o=t&&t.nodeType===Node.ELEMENT_NODE&&t.localName===e.tag&&t.namespaceURI===(e.namespace||"http://www.w3.org/1999/xhtml"),n=o?t:i?document.createElementNS(i,e.tag):document.createElement(e.tag),l;if(x.has(n))l=x.get(n);else{let u=new Map;x.set(n,u),l=u}let a=o?new Set(l.keys()):null,c=o?new Set(Array.from(t.attributes,u=>u.name)):null,p=null,g=null,h=null;if(o&&e.tag==="textarea"){let u=e.children[Symbol.iterator]().next().value?.content;u!==void 0&&(n.value=u)}let y=[];for(let u of e.attrs){let f=u[0],d=u[1];if(u.as_property)n[f]!==d&&(n[f]=d),o&&c.delete(f);else if(f.startsWith("on")){let b=f.slice(2),T=r(d,b==="input");l.has(b)||n.addEventListener(b,w),l.set(b,T),o&&a.delete(b)}else if(f.startsWith("data-lustre-on-")){let b=f.slice(15),T=r(_);l.has(b)||n.addEventListener(b,w),l.set(b,T),n.setAttribute(f,d),o&&(a.delete(b),c.delete(f))}else f.startsWith("delegate:data-")||f.startsWith("delegate:aria-")?(n.setAttribute(f,d),y.push([f.slice(10),d])):f==="class"?p=p===null?d:p+" "+d:f==="style"?g=g===null?d:g+d:f==="dangerous-unescaped-html"?h=d:(n.getAttribute(f)!==d&&n.setAttribute(f,d),(f==="value"||f==="selected")&&(n[f]=d),o&&c.delete(f))}if(p!==null&&(n.setAttribute("class",p),o&&c.delete("class")),g!==null&&(n.setAttribute("style",g),o&&c.delete("style")),o){for(let u of c)n.removeAttribute(u);for(let u of a)l.delete(u),n.removeEventListener(u,w)}if(e.tag==="slot"&&window.queueMicrotask(()=>{for(let u of n.assignedElements())for(let[f,d]of y)u.hasAttribute(f)||u.setAttribute(f,d)}),e.key!==void 0&&e.key!=="")n.setAttribute("data-lustre-key",e.key);else if(h!==null)return n.innerHTML=h,n;let m=n.firstChild,S=null,A=null,C=null,N=v(e).next().value;if(o&&N!==void 0&&N.key!==void 0&&N.key!==""){S=new Set,A=M(t),C=M(e);for(let u of v(e))m=$(m,u,n,s,C,A,S)}else for(let u of v(e))s.unshift({prev:m,next:u,parent:n}),m=m?.nextSibling;for(;m;){let u=m.nextSibling;n.removeChild(m),m=u}return n}var x=new WeakMap;function w(t){let e=t.currentTarget;if(!x.has(e)){e.removeEventListener(t.type,w);return}let r=x.get(e);if(!r.has(t.type)){e.removeEventListener(t.type,w);return}r.get(t.type)(t)}function _(t){let e=t.currentTarget,r=e.getAttribute(`data-lustre-on-${t.type}`),s=JSON.parse(e.getAttribute("data-lustre-data")||"{}"),i=JSON.parse(e.getAttribute("data-lustre-include")||"[]");switch(t.type){case"input":case"change":i.push("target.value");break}return{tag:r,data:i.reduce((o,n)=>{let l=n.split(".");for(let a=0,c=o,p=t;a<l.length;a++)a===l.length-1?c[l[a]]=p[l[a]]:(c[l[a]]??={},p=p[l[a]],c=c[l[a]]);return o},{data:s})}}function M(t){let e=new Map;if(t)for(let r of v(t)){let s=r?.key||r?.getAttribute?.("data-lustre-key");s&&e.set(s,r)}return e}function E(t,e,r){let s,i,o=t,n=!0;for(;[s,...i]=e,s!==void 0;)o=o.childNodes.item(n?s+r:s),n=!1,e=i;return o}function $(t,e,r,s,i,o,n){for(;t&&!i.has(t.getAttribute("data-lustre-key"));){let a=t.nextSibling;r.removeChild(t),t=a}if(o.size===0)return s.unshift({prev:t,next:e,parent:r}),t=t?.nextSibling,t;if(n.has(e.key))return console.warn(`Duplicate key found in Lustre vnode: ${e.key}`),s.unshift({prev:null,next:e,parent:r}),t;n.add(e.key);let l=o.get(e.key);if(!l&&!t)return s.unshift({prev:null,next:e,parent:r}),t;if(!l&&t!==null){let a=document.createTextNode("");return r.insertBefore(a,t),s.unshift({prev:a,next:e,parent:r}),t}return!l||l===t?(s.unshift({prev:t,next:e,parent:r}),t=t?.nextSibling,t):(r.insertBefore(l,t),s.unshift({prev:l,next:e,parent:r}),t)}function*v(t){for(let e of t.children)yield*F(e)}function*F(t){t.subtree!==void 0?yield*F(t.subtree()):yield t}function q(t,e){let r=[t,e];for(;r.length;){let s=r.pop(),i=r.pop();if(s===i)continue;if(!U(s)||!U(i)||!G(s,i)||D(s,i)||I(s,i)||H(s,i)||V(s,i)||z(s,i)||K(s,i))return!1;let n=Object.getPrototypeOf(s);if(n!==null&&typeof n.equals=="function")try{if(s.equals(i))continue;return!1}catch{}let[l,a]=j(s);for(let c of l(s))r.push(a(s,c),a(i,c))}return!0}function j(t){if(t instanceof Map)return[e=>e.keys(),(e,r)=>e.get(r)];{let e=t instanceof globalThis.Error?["message"]:[];return[r=>[...e,...Object.keys(r)],(r,s)=>r[s]]}}function D(t,e){return t instanceof Date&&(t>e||t<e)}function I(t,e){return t.buffer instanceof ArrayBuffer&&t.BYTES_PER_ELEMENT&&!(t.byteLength===e.byteLength&&t.every((r,s)=>r===e[s]))}function H(t,e){return Array.isArray(t)&&t.length!==e.length}function V(t,e){return t instanceof Map&&t.size!==e.size}function z(t,e){return t instanceof Set&&(t.size!=e.size||[...t].some(r=>!e.has(r)))}function K(t,e){return t instanceof RegExp&&(t.source!==e.source||t.flags!==e.flags)}function U(t){return typeof t=="object"&&t!==null}function G(t,e){return typeof t!="object"&&typeof e!="object"&&(!t||!e)||[Promise,WeakSet,WeakMap,Function].some(s=>t instanceof s)?!1:t.constructor===e.constructor}var O=class extends HTMLElement{static get observedAttributes(){return["route"]}constructor(){super(),this.attachShadow({mode:"open"}),this.#n=new MutationObserver(e=>{let r=[];for(let s of e)if(s.type==="attributes"){let{attributeName:i}=s,o=this.getAttribute(i);this[i]=o}r.length&&this.#t?.send(JSON.stringify([5,r]))})}connectedCallback(){this.#n.observe(this,{attributes:!0,attributeOldValue:!0}),this.#u().finally(()=>this.#i=!0)}attributeChangedCallback(e,r,s){switch(e){case"route":if(!s)this.#t?.close(),this.#t=null;else if(r!==s){let i=this.getAttribute("id"),o=s+(i?`?id=${i}`:""),n=window.location.protocol==="https:"?"wss":"ws";this.#r(`${n}://${window.location.host}${o}`)}}}messageReceivedCallback({data:e}){let[r,...s]=JSON.parse(e);switch(r){case 0:return this.#l(s);case 1:return this.#c(s);case 2:return this.#a(s)}}disconnectedCallback(){clearTimeout(this.#s),this.#t?.removeEventListener("close",this.#o),this.#t?.close()}#n;#t;#s=null;#i=!1;#e=[];#a([e,r]){let s=[];for(let n of e)n in this?s.push([n,this[n]]):this.hasAttribute(n)&&s.push([n,this.getAttribute(n)]),Object.defineProperty(this,n,{get(){return this[`__mirrored__${n}`]},set(l){let a=this[`__mirrored__${n}`];q(a,l)||(this[`__mirrored__${n}`]=l,this.#t?.send(JSON.stringify([5,[[n,l]]])))}});this.#n.observe(this,{attributeFilter:e,attributeOldValue:!0,attributes:!0,characterData:!1,characterDataOldValue:!1,childList:!1,subtree:!1});let i=this.shadowRoot.childNodes[this.#e.length]??this.shadowRoot.appendChild(document.createTextNode(""));k(i,r,n=>l=>{let a=JSON.parse(this.getAttribute("data-lustre-data")||"{}"),c=n(l);c.data=W(a,c.data),this.#t?.send(JSON.stringify([4,c.tag,c.data]))}),s.length&&this.#t?.send(JSON.stringify([5,s]))}#r(e=this.#t.url){this.#t?.close(),this.#t=new WebSocket(e),this.#t.addEventListener("message",r=>this.messageReceivedCallback(r)),this.#t.addEventListener("open",()=>{this.dispatchEvent(new CustomEvent("connect"))}),this.#t.addEventListener("close",()=>{this.dispatchEvent(new CustomEvent("disconnect")),this.#o()})}#o=()=>{this.#s=setTimeout(()=>{this.#t.readyState===WebSocket.CLOSED&&this.#r()},1e3)};#l([e]){let r=this.shadowRoot.childNodes[this.#e.length-1]??this.shadowRoot.appendChild(document.createTextNode(""));R(r,e,i=>o=>{let n=i(o);this.#t?.send(JSON.stringify([4,n.tag,n.data]))},this.#e.length)}#c([e,r]){this.dispatchEvent(new CustomEvent(e,{detail:r}))}async#u(){let e=[];for(let s of document.querySelectorAll("link[rel=stylesheet]"))s.sheet||e.push(new Promise((i,o)=>{s.addEventListener("load",i),s.addEventListener("error",o)}));for(await Promise.allSettled(e);this.#e.length;)this.#e.shift().remove(),this.shadowRoot.firstChild.remove();this.shadowRoot.adoptedStyleSheets=this.getRootNode().adoptedStyleSheets;let r=[];for(let s of document.styleSheets)try{this.shadowRoot.adoptedStyleSheets.push(s)}catch{try{let i=new CSSStyleSheet;for(let o of s.cssRules)i.insertRule(o.cssText,i.cssRules.length);this.shadowRoot.adoptedStyleSheets.push(i)}catch{let i=s.ownerNode.cloneNode();this.shadowRoot.prepend(i),this.#e.push(i),r.push(new Promise((o,n)=>{i.onload=o,i.onerror=n}))}}return Promise.allSettled(r)}};window.customElements.define("lustre-server-component",O);var W=(t,e)=>{for(let r in e)e[r]instanceof Object&&Object.assign(e[r],W(t[r],e[r]));return Object.assign(t||{},e),t};export{O as LustreServerComponent};