Function _getParentNode

src/helpers/helpers.dom.ts:16–22

(domNode: HTMLCanvasElement)

 * @private
 */
export function _getParentNode(domNode: HTMLCanvasElement): HTMLCanvasElement {
  let parent = domNode.parentNode;
  if (parent && parent.toString() === '[object ShadowRoot]') {
    parent = (parent as ShadowRoot).host;
  }
  return parent as HTMLCanvasElement;
}

/**
 * convert max-width/max-height values that may be percentages into a number