function _getRequireWildcardCache() {
  if (typeof WeakMap !== "function") return null;
  var cache = new WeakMap();

  _getRequireWildcardCache = function _getRequireWildcardCache() {
    return cache;
  };

  return cache;
}

export default function _interopRequireWildcard(obj) {
  if (obj && obj.__esModule) {
    return obj;
  }

  var cache = _getRequireWildcardCache();

  if (cache && cache.has(obj)) {
    return cache.get(obj);
  }

  var newObj = {};

  if (obj != null) {
    var hasPropertyDescriptor = Object.defineProperty && Object.getOwnPropertyDescriptor;

    for (var key in obj) {
      if (Object.prototype.hasOwnProperty.call(obj, key)) {
        var desc = hasPropertyDescriptor ? Object.getOwnPropertyDescriptor(obj, key) : null;

        if (desc && (desc.get || desc.set)) {
          Object.defineProperty(newObj, key, desc);
        } else {
          newObj[key] = obj[key];
        }
      }
    }
  }

  newObj["default"] = obj;

  if (cache) {
    cache.set(obj, newObj);
  }

  return newObj;
}