@material-ui/core/es/Modal/SimpleBackdrop.js

import _extends from "@babel/runtime/helpers/esm/extends";
import _objectWithoutPropertiesLoose from "@babel/runtime/helpers/esm/objectWithoutPropertiesLoose";
import * as React from 'react';
import PropTypes from 'prop-types';
export const styles = {
  /* Styles applied to the root element. */
  root: {
    zIndex: -1,
    position: 'fixed',
    right: 0,
    bottom: 0,
    top: 0,
    left: 0,
    backgroundColor: 'rgba(0, 0, 0, 0.5)',
    WebkitTapHighlightColor: 'transparent'
  },

  /* Styles applied to the root element if `invisible={true}`. */
  invisible: {
    backgroundColor: 'transparent'
  }
};
/**
 * @ignore - internal component.
 */

const SimpleBackdrop = /*#__PURE__*/React.forwardRef(function SimpleBackdrop(props, ref) {
  const {
    invisible = false,
    open
  } = props,
        other = _objectWithoutPropertiesLoose(props, ["invisible", "open"]);

  return open ? /*#__PURE__*/React.createElement("div", _extends({
    "aria-hidden": true,
    ref: ref
  }, other, {
    style: _extends({}, styles.root, invisible ? styles.invisible : {}, other.style)
  })) : null;
});
process.env.NODE_ENV !== "production" ? SimpleBackdrop.propTypes = {
  /**
   * If `true`, the backdrop is invisible.
   * It can be used when rendering a popover or a custom select component.
   */
  invisible: PropTypes.bool,

  /**
   * If `true`, the backdrop is open.
   */
  open: PropTypes.bool.isRequired
} : void 0;
export default SimpleBackdrop;