import CanvasKitInit from 'canvaskit-wasm';
const CK = await CanvasKitInit();
console.log('ImageFormat', JSON.stringify(CK.ImageFormat));
const surf = CK.MakeSurface(64, 64);
const c = surf.getCanvas(); c.clear(CK.Color(255,0,0,255));
const img = surf.makeImageSnapshot();
for (const k of Object.keys(CK.ImageFormat)) {
  try { const b = img.encodeToBytes(CK.ImageFormat[k], 90); console.log(k, b ? b.length : null); } catch(e){ console.log(k, 'ERR', String(e).slice(0,80)); }
}
console.log('columns/readPixels', typeof img.readPixels, typeof img.encodeToBytes);