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Ws from \"npm:ws@8.18.3\";\ntype Config={};type Conn={call:(m:string,p?:any,sid?:string)=>Promise;close:()=>void};type State={conn:Conn;targetId:string;sessionId:string};\nasync function sha256Bytes(a:Uint8Array){return[...new Uint8Array(await crypto.subtle.digest(\"SHA-256\",a))].map(x=>x.toString(16).padStart(2,\"0\")).join(\"\")}function b64bytes(s:string){const b=atob(s),a=new Uint8Array(b.length);for(let i=0;iPromise,beforeSha:string,opts:any={}){const timeoutMs=Math.max(1,Number(opts?.timeoutMs??5000)),pollMs=Math.max(0,Number(opts?.pollMs??100)),stableSamples=Math.max(1,Number(opts?.stableSamples??3));const deadline=Date.now()+timeoutMs;let lastKey='',stable=0,last:any=null;while(Date.now()setTimeout(r,pollMs));try{const cur:any=await snap();last=cur;const sha=String(cur?.screenshot_sha256??''),url=String(cur?.url??'');if(!sha||sha===beforeSha){lastKey='';stable=0;continue}const key=sha+'|'+url;if(key===lastKey)stable++;else{lastKey=key;stable=1}if(stable>=stableSamples)return cur}catch{}}throw new Error('BROWSER_VISUAL_STATE_NOT_SETTLED:'+String(last?.screenshot_sha256??''))}\nasync function connect(url:string):Promise{const ws=new Ws(url);await new Promise((resolve,reject)=>{const t=setTimeout(()=>reject(new Error(\"KITESURF_WS_OPEN_TIMEOUT\")),10000);ws.once(\"open\",()=>{clearTimeout(t);resolve()});ws.once(\"error\",()=>{clearTimeout(t);reject(new Error(\"KITESURF_WS_OPEN_ERROR\"))})});let next=1;const pending=new Map();ws.on(\"message\",(d:any)=>{let m:any;try{m=JSON.parse(String(d))}catch{return}if(typeof m?.id!==\"number\")return;const p=pending.get(m.id);if(!p)return;clearTimeout(p.t);pending.delete(m.id);m.error?p.reject(new Error(\"CDP_CALL_FAILED:\"+String(m.error?.message??m.error))):p.resolve(m.result??{})});const call=(method:string,params:any={},sessionId?:string)=>new Promise((resolve,reject)=>{const id=next++;const t=setTimeout(()=>{pending.delete(id);reject(new Error(\"CDP_CALL_TIMEOUT:\"+method))},12000);pending.set(id,{resolve,reject,t});ws.send(JSON.stringify({id,method,params,...(sessionId?{sessionId}:{})}))});return{call,close:()=>{try{ws.close()}catch{}}}}\nexport function createKitesurfPublicBrowserClientV1(_config:Config={}){const wsUrl=\"wss://kitesurf.cloudflare.app/devtools/browser\",states=new Map();const handle=()=>`ksp_${crypto.randomUUID().replaceAll(\"-\",\"\").toLowerCase()}`;const load=(h:string)=>{if(!/^ksp_[a-f0-9]{32}$/.test(h))throw new Error(\"BAD_KITESURF_BROWSER_STATE\");const s=states.get(h);if(!s)throw new Error(\"KITESURF_BROWSER_STATE_NOT_FOUND\");return s};const waitReady=async(s:State)=>{const deadline=Date.now()+10000;while(Date.now()setTimeout(r,100))}throw new Error(\"BROWSER_READY_TIMEOUT\")};const snap=async(s:State)=>{await waitReady(s);const expression=`(()=>{const els=[...document.querySelectorAll('a,button,input,textarea,select,[role=\"button\"],[tabindex]')].slice(0,120);for(const e of els){if(!e.dataset.pbRef)e.dataset.pbRef='pb_'+Math.random().toString(16).slice(2,18)}return{url:location.href,title:document.title,text:(document.body?.innerText||'').slice(0,20000),html:document.documentElement.outerHTML.slice(0,50000),elements:els.map(e=>({ref:e.dataset.pbRef,tag:e.tagName.toLowerCase(),id:e.id||null,name:e.getAttribute('name'),type:e.getAttribute('type'),text:(e.innerText||e.getAttribute('aria-label')||e.getAttribute('placeholder')||'').trim().slice(0,300),href:e instanceof HTMLAnchorElement?e.href:null,disabled:'disabled'in e?Boolean(e.disabled):false}))}})()`;const rr=await s.conn.call(\"Runtime.evaluate\",{expression,returnByValue:true,awaitPromise:true},s.sessionId),out=rr?.result?.value??{},ss=await s.conn.call(\"Page.captureScreenshot\",{format:\"png\"},s.sessionId),screenshot_base64=String(ss?.data??\"\"),bytes=b64bytes(screenshot_base64);return{...out,screenshot_sha256:await sha256Bytes(bytes),screenshot_bytes:bytes.length,screenshot_base64}};\nconst start=async()=>{const c=await connect(wsUrl);try{const t=await c.call(\"Target.createTarget\",{url:\"about:blank\"}),targetId=String(t?.targetId??\"\");if(!targetId)throw new Error(\"KITESURF_TARGET_CREATE_FAILED\");const a=await c.call(\"Target.attachToTarget\",{targetId,flatten:true}),sessionId=String(a?.sessionId??\"\");if(!sessionId)throw new Error(\"KITESURF_ATTACH_FAILED\");await c.call(\"Page.enable\",{},sessionId);await c.call(\"Runtime.enable\",{},sessionId);const h=handle();states.set(h,{conn:c,targetId,sessionId});return{session_id:h}}catch(e){c.close();throw e}};\nconst navigate=async(h:string,url:string)=>{const s=load(h);await s.conn.call(\"Page.navigate\",{url},s.sessionId);await waitReady(s);return snap(s)};const click=async(h:string,ref:string)=>{const s=load(h),selector=JSON.stringify(`[data-pb-ref=\"${ref.replaceAll('\"','')}\"]`),r=await s.conn.call(\"Runtime.evaluate\",{expression:`(()=>{const e=document.querySelector(${selector});if(!e)return false;e.click();return true})()`,returnByValue:true},s.sessionId);if(r?.result?.value!==true)throw new Error(\"BROWSER_ELEMENT_NOT_FOUND\");await new Promise(r=>setTimeout(r,100));return snap(s)};\nconst clickAt=async(h:string,x:number,y:number)=>{if(!Number.isFinite(x)||!Number.isFinite(y)||x<0||y<0||x>10000||y>10000)throw new Error(\"BAD_BROWSER_COORDINATES\");const s=load(h);const before=await snap(s),beforeSha=String(before?.screenshot_sha256??\"\");const expr=`(()=>{const x=${Math.round(x)},y=${Math.round(y)},e=document.elementFromPoint(x,y);if(!e)return false;for(const type of ['pointerdown','mousedown','pointerup','mouseup','click']){const C=type.startsWith('pointer')?PointerEvent:MouseEvent;e.dispatchEvent(new C(type,{bubbles:true,cancelable:true,clientX:x,clientY:y,button:0,buttons:type.endsWith('down')?1:0}))}return true})()`;const r=await s.conn.call(\"Runtime.evaluate\",{expression:expr,returnByValue:true},s.sessionId);if(r?.result?.value!==true)throw new Error(\"BROWSER_CLICK_TARGET_NOT_FOUND\");return waitForCommittedVisualState(()=>snap(s),beforeSha,{timeoutMs:5000,pollMs:100,stableSamples:3})};\nconst setViewport=async(h:string,width:number,height:number)=>{const s=load(h);await s.conn.call(\"Emulation.setDeviceMetricsOverride\",{width,height,deviceScaleFactor:1,mobile:false},s.sessionId);return{width,height}};const type=async(h:string,ref:string,text:string,clear:boolean)=>{const s=load(h),selector=JSON.stringify(`[data-pb-ref=\"${ref.replaceAll('\"','')}\"]`),clearStmt=clear?'e.value=\"\";':'';const r=await s.conn.call(\"Runtime.evaluate\",{expression:`(()=>{const e=document.querySelector(${selector});if(!e||!('value'in e))return false;${clearStmt}e.value+=${JSON.stringify(text)};e.dispatchEvent(new Event('input',{bubbles:true}));e.dispatchEvent(new Event('change',{bubbles:true}));return true})()`,returnByValue:true},s.sessionId);if(r?.result?.value!==true)throw new Error(\"BROWSER_ELEMENT_NOT_FOUND\");return snap(s)};const 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