preact-prop-types.js

import preact from 'preact';
import PropTypes from 'prop-types';

// installs global prop type checking for app preact components
preact.options.vnode = vnode => {
  let Component = vnode.nodeName;
  if (Component.propTypes) {
    PropTypes.checkPropTypes(
      Component.propTypes,
      vnode.attributes
    );
  }
}