feeles-ide/lib/jsx/init.js

The hackable and serializable IDE to make learning material

import _regeneratorRuntime from 'babel-runtime/regenerator';
import _asyncToGenerator from 'babel-runtime/helpers/asyncToGenerator';

var _this = this;

/*global CSS_PREFIX*/
import React from 'react';
import ReactDOM from 'react-dom';

import RootComponent from './RootComponent';

export default (function () {
  var _ref = _asyncToGenerator( /*#__PURE__*/_regeneratorRuntime.mark(function _callee() {
    var props = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
    return _regeneratorRuntime.wrap(function _callee$(_context) {
      while (1) {
        switch (_context.prev = _context.next) {
          case 0:
            window.addEventListener('beforeunload', function (event) {
              if (process.env.NODE_ENV === 'production') {
                event.returnValue = 'Stop! You can\'t return later!';
                return event.returnValue;
              }
            });

            props.rootElement = props.rootElement || document.querySelector('.' + CSS_PREFIX + 'app');

            ReactDOM.render(React.createElement(RootComponent, props), props.rootElement);

          case 3:
          case 'end':
            return _context.stop();
        }
      }
    }, _callee, _this);
  }));

  return function () {
    return _ref.apply(this, arguments);
  };
})();