import{c as e,e as t}from"./CfNebfuO.js";import"./D43TsmUs.js";const{WritableStream:r,TransformStream:s,DOMException:a,Blob:o}=e,{GONE:n}=t,i=/constructor/i.test(window.HTMLElement);class c{constructor(e="unkown"){this.name=e,this.kind="file"}async getFile(){throw new a(...n)}async isSameEntry(e){return this===e}async createWritable(e={}){const t=await(navigator.serviceWorker?.getRegistration()),a=document.createElement("a"),n=new s,c=n.writable;if(a.download=this.name,i||!t){let e=[];n.readable.pipeTo(new r({write(t){e.push(new o([t]))},close(){const t=new o(e,{type:"application/octet-stream; charset=utf-8"});e=[],a.href=URL.createObjectURL(t),a.click(),setTimeout((()=>URL.revokeObjectURL(a.href)),1e4)}}))}else{const{writable:a,readablePort:o}=new l(r),i=encodeURIComponent(this.name).replace(/['()]/g,escape).replace(/\*/g,"%2A"),c={"content-disposition":"attachment; filename*=UTF-8''"+i,"content-type":"application/octet-stream; charset=utf-8",...e.size?{"content-length":e.size}:{}},h=setTimeout((()=>t.active.postMessage(0)),1e4);n.readable.pipeThrough(new s({transform(e,t){if(e instanceof Uint8Array)return t.enqueue(e);const r=new Response(e).body.getReader(),s=e=>r.read().then((e=>e.done?0:s(t.enqueue(e.value))));return s()}})).pipeTo(a).finally((()=>{clearInterval(h)})),t.active.postMessage({url:t.scope+i,headers:c,readablePort:o},[o]);const d=document.createElement("iframe");d.hidden=!0,d.src=t.scope+i,document.body.appendChild(d)}return c.getWriter()}}class h{constructor(e){e.onmessage=e=>this._onMessage(e.data),this._port=e,this._resetReady()}start(e){return this._controller=e,this._readyPromise}write(e){const t={type:0,chunk:e};return this._port.postMessage(t,[e.buffer]),this._resetReady(),this._readyPromise}close(){this._port.postMessage({type:2}),this._port.close()}abort(e){this._port.postMessage({type:1,reason:e}),this._port.close()}_onMessage(e){0===e.type&&this._resolveReady(),1===e.type&&this._onError(e.reason)}_onError(e){this._controller.error(e),this._rejectReady(e),this._port.close()}_resetReady(){this._readyPromise=new Promise(((e,t)=>{this._readyResolve=e,this._readyReject=t})),this._readyPending=!0}_resolveReady(){this._readyResolve(),this._readyPending=!1}_rejectReady(e){this._readyPending||this._resetReady(),this._readyPromise.catch((()=>{})),this._readyReject(e),this._readyPending=!1}}class l{constructor(e){const t=new MessageChannel;this.readablePort=t.port1,this.writable=new e(new h(t.port2))}}export{c as FileHandle};