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1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253545556575859606162636465666768697071727374757677787980"use strict"class RequestError extends Error { constructor(xhr) { let data = xhr.response if (data.title) data = data.title else if ('string'==typeof data && data.startsWith("Unhandled exception: ")) data = data.replace(/^ at [^]* ---$/m, "...") super(xhr.responseURL+" "+xhr.status+" "+xhr.statusText+"\n"+data) this.stack = this.stack.replace(/^RequestError@.*\n/, "") }}RequestError.prototype.name = 'RequestError'
let server = "qcs.shsbs.xyz/api"
async function request(endpoint, data, cb) { let last = performance.now() function report(str) { let now = performance.now() let diff = now-last //last = now cb(diff, str) //console.log(diff.toFixed(0), str) } return await {then:y=>{ let x = new XMLHttpRequest() x.open('POST', "https://"+server+"/"+endpoint) x.setRequestHeader('CACHE-CONTROL', "L, ratio, no-store, no-cache, must-revalidate") //x.setRequestHeader('AUTHORIZATION', "Bearer "+Req.auth) x.upload.addEventListener('progress', ev=>{ //last_time = ev.timeStamp report("preflight finished") }, {once:true, passive:true}) let last_size = 0 let last_time = 0 x.onprogress = ev=>{ let size_change = ev.loaded-last_size let time_change = ev.timeStamp-last_time let speed = (size_change*8/1000)/(time_change/1000) last_size = ev.loaded last_time = ev.timeStamp report("downloaded "+(ev.loaded/1000).toFixed(1)+"kB ("+speed.toFixed(0)+" kbps)") } x.onreadystatechange = ev=>{ switch (x.readyState) { case XMLHttpRequest.HEADERS_RECEIVED: report("got headers") let type = x.getResponseHeader('Content-Type') if (/[\/+]json(;| |$)/i.test(type)) x.responseType = 'json' break case XMLHttpRequest.DONE: report("finished") if (x.status==200) y(x.response) else throw new RequestError(x) break default: //report("state change "+x.readyState) } } report("starting request") x.send(new Blob([JSON.stringify(data)], {type: "application/json;charset=UTF-8"})) }}}
async function load_data(requests) { $xhr_time.textContent = "" let data = await request('request', {values:{true:true},requests}, (t,m)=>{ $xhr_time.textContent += "\n"+(t/1000).toFixed(2)+"sec: "+m }) console.log('got', data) let lmm = data.objects return lmm}