docs/bundle.js
function renderToString(element) {
  var renderer = new ReactDOMServerRenderer$1(element, false);
  var markup = renderer.read(Infinity);
  return markup;
}
function renderToString(element) {
  var renderer = new ReactDOMServerRenderer$1(element, false);
  var markup = renderer.read(Infinity);
  return markup;
}
Render a ReactElement to its initial HTML. This should only be used on the
server.
See https://reactjs.org/docs/react-dom-server.html#rendertostring