Converts a svg element into a png image instance

svg2png.js

/**
* @param {SVGSVGElement} svg
* @param {Number} [w] Width of png image. Default: 128
* @param {Number} [h] Height of png image. Default: 128
* @return {Image} png image
*/
const svg2png = (svg, w=128, h=128) => {
  svg.setAttribute('width', `${w}px`);
  svg.setAttribute('height', `${h}px`);
  const xml = new XMLSerializer().serializeToString(svg);
  const data = `data:image/svg+xml;base64,${btoa(xml)}`;
  const img  = new Image();
  img.setAttribute('src', data);
  return img;
};