code: function replaceElement(element, attrs = {}) {
    const elementAttrs = getAttrs(element);
    const name = elementAttrs['data-feather'];
    delete elementAttrs['data-feather'];
  
    const svgString = icons[name].toSvg({
      ...attrs,
      ...elementAttrs,
      ...{ class: classnames(attrs.class, elementAttrs.class) },
    });
    const svgDocument = new DOMParser().parseFromString(
      svgString,
      'image/svg+xml',
    );
    const svgElement = svgDocument.querySelector('svg');
  
    element.parentNode.replaceChild(svgElement, element);
  }
docs: Replace a single HTML element with SVG markup
  corresponding to the element's `data-feather` attribute value.
  @param {HTMLElement} element
  @param {Object} attrs