@material-ui/core/es/CardActionArea/CardActionArea.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';
import clsx from 'clsx';
import withStyles from '../styles/withStyles';
import ButtonBase from '../ButtonBase';
export const styles = theme => ({
  /* Styles applied to the root element. */
  root: {
    display: 'block',
    textAlign: 'inherit',
    width: '100%',
    '&:hover $focusHighlight': {
      opacity: theme.palette.action.hoverOpacity
    },
    '&$focusVisible $focusHighlight': {
      opacity: 0.12
    }
  },

  /* Pseudo-class applied to the ButtonBase root element if the action area is keyboard focused. */
  focusVisible: {},

  /* Styles applied to the overlay that covers the action area when it is keyboard focused. */
  focusHighlight: {
    overflow: 'hidden',
    pointerEvents: 'none',
    position: 'absolute',
    top: 0,
    right: 0,
    bottom: 0,
    left: 0,
    borderRadius: 'inherit',
    opacity: 0,
    backgroundColor: 'currentcolor',
    transition: theme.transitions.create('opacity', {
      duration: theme.transitions.duration.short
    })
  }
});
const CardActionArea = /*#__PURE__*/React.forwardRef(function CardActionArea(props, ref) {
  const {
    children,
    classes,
    className,
    focusVisibleClassName
  } = props,
        other = _objectWithoutPropertiesLoose(props, ["children", "classes", "className", "focusVisibleClassName"]);

  return /*#__PURE__*/React.createElement(ButtonBase, _extends({
    className: clsx(classes.root, className),
    focusVisibleClassName: clsx(focusVisibleClassName, classes.focusVisible),
    ref: ref
  }, other), children, /*#__PURE__*/React.createElement("span", {
    className: classes.focusHighlight
  }));
});
process.env.NODE_ENV !== "production" ? CardActionArea.propTypes = {
  // ----------------------------- Warning --------------------------------
  // | These PropTypes are generated from the TypeScript type definitions |
  // |     To update them edit the d.ts file and run "yarn proptypes"     |
  // ----------------------------------------------------------------------

  /**
   * The content of the component.
   */
  children: PropTypes.node,

  /**
   * Override or extend the styles applied to the component.
   * See [CSS API](#css) below for more details.
   */
  classes: PropTypes.object,

  /**
   * @ignore
   */
  className: PropTypes.string,

  /**
   * @ignore
   */
  focusVisibleClassName: PropTypes.string
} : void 0;
export default withStyles(styles, {
  name: 'MuiCardActionArea'
})(CardActionArea);