lustre

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ce:e[p]={key:t};break}i&&t&&i[p].keyedChildren.set(t,new WeakRef(e))};var Et=(i,e)=>i[p].keyedChildren.get(e).deref(),be=i=>{let t=i.currentTarget[p].handlers.get(i.type);i.type==="submit"&&(i.detail??={},i.detail.formData=[...new FormData(i.target).entries()]),t(i)},jn=(i,e=[])=>{let t={};(i.type==="input"||i.type==="change")&&e.push("target.value"),i.type==="submit"&&e.push("detail.formData");for(let n of e){let r=n.split(".");for(let s=0,u=i,o=t;s<r.length;s++){if(s===r.length-1){o[r[s]]=u[r[s]];break}o=o[r[s]]??={},u=u[r[s]]}}return t},St=i=>({added(e){e[i]=!0},removed(e){e[i]=!1}}),En=i=>({added(e,t){e[i]=t}}),At={checked:St("checked"),selected:St("selected"),value:En("value"),autofocus:{added(i){queueMicrotask(()=>i.focus?.())}},autoplay:{added(i){try{i.play?.()}catch(e){console.error(e)}}}};var Bt=0;var Ct=1;var zt=2;var Z=0;var Ot=1;var Tt=2;var ee=3;var ye=class extends HTMLElement{static get observedAttributes(){return["route","method"]}#r;#e="ws";#t=null;#n=null;#i=[];#s;#u=new Set;#c=new Set;#l=!1;#o=[];#f=new MutationObserver(e=>{let t=[];for(let n of e){if(n.type!=="attributes")continue;let r=n.attributeName;(!this.#l||this.#u.has(r))&&t.push([r,this.getAttribute(r)])}if(t.length===1){let[n,r]=t[0];this.#n?.send({kind:Z,name:n,value:r})}else t.length?this.#n?.send({kind:ee,messages:t.map(([n,r])=>({kind:Z,name:n,value:r}))}):this.#o.push(...t)});constructor(){super(),this.internals=this.attachInternals(),this.#f.observe(this,{attributes:!0})}connectedCallback(){this.#e=this.getAttribute("method")||"ws";for(let t of this.attributes)this.#o.push([t.name,t.value]);let e=this.getAttribute("route");e&&(this.#t=new URL(e,location.href),this.#a())}attributeChangedCallback(e,t,n){switch(e){case(t!==n&&"route"):{this.#t=new URL(n,location.href),this.#a();return}case"method":{let r=n.toLowerCase();if(r==this.#e)return;["ws","sse","polling"].includes(r)&&(this.#e=r,this.#e=="ws"&&(this.#t.protocol=="https:"&&(this.#t.protocol="wss:"),this.#t.protocol=="http:"&&(this.#t.protocol="ws:")),this.#a());return}}}async messageReceivedCallback(e){switch(e.kind){case Bt:{for(this.#r??=this.attachShadow({mode:e.open_shadow_root?"open":"closed"});this.#r.firstChild;)this.#r.firstChild.remove();P(null,this.#r),this.#s=new F(this.#r,(n,r,s)=>{this.#n?.send({kind:Ot,path:r,name:s,event:n})},{useServerEvents:!0}),this.#u=new Set(e.observed_attributes);let t=this.#o.filter(([n])=>this.#u.has(n));t.length&&this.#n.send({kind:ee,messages:t.map(([n,r])=>({kind:Z,name:n,value:r}))}),this.#o=[],this.#c=new Set(e.observed_properties);for(let n of this.#c)Object.defineProperty(this,n,{get(){return this[`_${n}`]},set(r){this[`_${n}`]=r,this.#n?.send({kind:Tt,name:n,value:r})}});e.will_adopt_styles&&await this.#d(),this.#s.mount(e.vdom),this.dispatchEvent(new CustomEvent("lustre:mount"));break}case Ct:{this.#s.push(e.patch);break}case zt:{this.dispatchEvent(new CustomEvent(e.name,{detail:e.data}));break}}}#a(){if(!this.#t||!this.#e)return;this.#n&&this.#n.close();let r={onConnect:()=>{this.#l=!0,this.dispatchEvent(new CustomEvent("lustre:connect"),{detail:{route:this.#t,method:this.#e}})},onMessage:s=>{this.messageReceivedCallback(s)},onClose:()=>{this.#l=!1,this.dispatchEvent(new CustomEvent("lustre:close"),{detail:{route:this.#t,method:this.#e}})}};switch(this.#e){case"ws":this.#n=new ge(this.#t,r);break;case"sse":this.#n=new ve(this.#t,r);break;case"polling":this.#n=new ke(this.#t,r);break}}async#d(){for(;this.#i.length;)this.#i.pop().remove(),this.#r.firstChild.remove();this.#i=await $t(this.#r),this.#s.offset=this.#i.length}},ge=class{#r;#e;#t=!1;#n=[];#i;#s;#u;constructor(e,{onConnect:t,onMessage:n,onClose:r}){this.#r=e,this.#e=new WebSocket(this.#r),this.#i=t,this.#s=n,this.#u=r,this.#e.onopen=()=>{this.#i()},this.#e.onmessage=({data:s})=>{try{this.#s(JSON.parse(s))}finally{this.#n.length?this.#e.send(JSON.stringify({kind:ee,messages:this.#n})):this.#t=!1,this.#n=[]}},this.#e.onclose=()=>{this.#u()}}send(e){if(this.#t||this.#e.readyState!==WebSocket.OPEN){this.#n.push(e);return}else this.#e.send(JSON.stringify(e)),this.#t=!0}close(){this.#e.close()}},ve=class{#r;#e;#t;#n;#i;constructor(e,{onConnect:t,onMessage:n,onClose:r}){this.#r=e,this.#e=new EventSource(this.#r),this.#t=t,this.#n=n,this.#i=r,this.#e.onopen=()=>{this.#t()},this.#e.onmessage=({data:s})=>{try{this.#n(JSON.parse(s))}catch{}}}send(e){}close(){this.#e.close(),this.#i()}},ke=class{#r;#e;#t;#n;#i;#s;constructor(e,{onConnect:t,onMessage:n,onClose:r,...s}){this.#r=e,this.#n=t,this.#i=n,this.#s=r,this.#e=s.interval??5e3,this.#u().finally(()=>{this.#n(),this.#t=setInterval(()=>this.#u(),this.#e)})}async send(e){}close(){clearInterval(this.#t),this.#s()}#u(){return fetch(this.#r).then(e=>e.json()).then(this.#i).catch(console.error)}};customElements.define("lustre-server-component",ye);export{ye as ServerComponent};