example/dist/bundle.js
function toArray(children) {
  var result = [];
  mapIntoWithKeyPrefixInternal(children, result, null, function (child) {
    return child;
  });
  return result;
}
function toArray(children) {
  var result = [];
  mapIntoWithKeyPrefixInternal(children, result, null, function (child) {
    return child;
  });
  return result;
}
function toArray ( children ) { var result = [ ] ; mapIntoWithKeyPrefixInternal ( children , result , null , function ( child ) { return child ; } ) ; return result ; }
Flatten a children object (typically specified as `props.children`) and
return an array with appropriately re-keyed children.

See https://reactjs.org/docs/react-api.html#reactchildrentoarray
Flatten a children object ( typically specified as props . children ) and return an array with appropriately re - keyed children .