import{aw as l,K as o,ax as u,ai as n,L as d,P as m,aC as p,am as _,H as v,ah as k}from"./custom-element.js";class w{anchor;#t=new Map;#s=new Map;#e=new Map;#i=new Set;#a=!0;constructor(t,s=!0){this.anchor=t,this.#a=s}#f=t=>{if(this.#t.has(t)){var s=this.#t.get(t),e=this.#s.get(s);if(e)l(e),this.#i.delete(s);else{var a=this.#e.get(s);a&&(this.#s.set(s,a.effect),this.#e.delete(s),a.fragment.lastChild.remove(),this.anchor.before(a.fragment),e=a.effect)}for(const[i,f]of this.#t){if(this.#t.delete(i),i===t)break;const r=this.#e.get(f);r&&(o(r.effect),this.#e.delete(f))}for(const[i,f]of this.#s){if(i===s||this.#i.has(i))continue;const r=()=>{if(Array.from(this.#t.values()).includes(i)){var c=document.createDocumentFragment();p(f,c),c.append(n()),this.#e.set(i,{effect:f,fragment:c})}else o(f);this.#i.delete(i),this.#s.delete(i)};this.#a||!e?(this.#i.add(i),u(f,r,!1)):r()}}};#r=t=>{this.#t.delete(t);const s=Array.from(this.#t.values());for(const[e,a]of this.#e)s.includes(e)||(o(a.effect),this.#e.delete(e))};ensure(t,s){var e=m,a=_();if(s&&!this.#s.has(t)&&!this.#e.has(t))if(a){var i=document.createDocumentFragment(),f=n();i.append(f),this.#e.set(t,{effect:d(()=>s(f)),fragment:i})}else this.#s.set(t,d(()=>s(this.anchor)));if(this.#t.set(e,t),a){for(const[r,h]of this.#s)r===t?e.unskip_effect(h):e.skip_effect(h);for(const[r,h]of this.#e)r===t?e.unskip_effect(h.effect):e.skip_effect(h.effect);e.oncommit(this.#f),e.ondiscard(this.#r)}else v&&(this.anchor=k),this.#f(e)}}export{w as B};
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