import _defineProperty from "@babel/runtime/helpers/esm/defineProperty";
import _extends from "@babel/runtime/helpers/esm/extends";
// This module is based on https://github.com/airbnb/prop-types-exact repository.
// However, in order to reduce the number of dependencies and to remove some extra safe checks
// the module was forked.
var specialProperty = "exact-prop: \u200B";
export default function exactProp(propTypes) {
  if (process.env.NODE_ENV === 'production') {
    return propTypes;
  }

  return _extends({}, propTypes, _defineProperty({}, specialProperty, function (props) {
    var unsupportedProps = Object.keys(props).filter(function (prop) {
      return !propTypes.hasOwnProperty(prop);
    });

    if (unsupportedProps.length > 0) {
      return new Error("The following props are not supported: ".concat(unsupportedProps.map(function (prop) {
        return "`".concat(prop, "`");
      }).join(', '), ". Please remove them."));
    }

    return null;
  }));
}