polyfill-service/polyfills/Element/prototype/replaceWith/polyfill.js

A polyfill combinator

Document.prototype.replaceWith = Element.prototype.replaceWith = function replaceWith() {
	if (this.parentNode) {
		this.parentNode.replaceChild(_mutation(arguments), this);
	}
};

// Not all UAs support the Text constructor.  Polyfill on the Text constructor only where it exists
// TODO: Add a polyfill for the Text constructor, and make it a dependency of this polyfill.
if ('Text' in this) {
	Text.prototype.replaceWith = Element.prototype.replaceWith;
}