import puppeteer from 'puppeteer';
const b = await puppeteer.launch({ args:['--no-sandbox','--disable-setuid-sandbox','--use-gl=angle','--enable-unsafe-swiftshader','--ignore-gpu-blocklist'] });
const p = await b.newPage();
await p.setViewport({width:1100,height:1300});
await p.goto('http://10.200.201.3:4175/_lab/neu-card.html',{waitUntil:'load',timeout:60000});
await new Promise(r=>setTimeout(r,800));
const r = await p.evaluate(()=>{
  const m=document.querySelector('[data-shader-demo] .card-shader').paperShaderMount;
  const gl=m.gl;
  const errs=[];
  // проверим статус программы и шейдеров
  const vs = gl.getProgramParameter(m.program, gl.LINK_STATUS);
  // проверим, залит ли canvas хоть чем-то: clearColor потом readPixels
  gl.clearColor(1,0,0,1); gl.clear(gl.COLOR_BUFFER_BIT);
  const px=new Uint8Array(4); gl.readPixels(10,10,1,1,gl.RGBA,gl.UNSIGNED_BYTE,px);
  return { linkStatus: vs, afterClearRed: Array.from(px), glError: gl.getError() };
});
console.log(JSON.stringify(r,null,1));
await b.close();