@material-ui/core/esm/CardMedia/CardMedia.js

React components that implement Google's Material Design.

import _extends from "@babel/runtime/helpers/esm/extends";
import _objectWithoutProperties from "@babel/runtime/helpers/esm/objectWithoutProperties";
import React from 'react';
import PropTypes from 'prop-types';
import clsx from 'clsx';
import warning from 'warning';
import withStyles from '../styles/withStyles';
export var styles = {
  /* Styles applied to the root element. */
  root: {
    display: 'block',
    backgroundSize: 'cover',
    backgroundRepeat: 'no-repeat',
    backgroundPosition: 'center'
  },

  /* Styles applied to the root element if `component="video, audio, picture, iframe, or img"`. */
  media: {
    width: '100%',
    // ⚠️ object-fit is not supported by IE 11.
    objectFit: 'cover'
  }
};
var MEDIA_COMPONENTS = ['video', 'audio', 'picture', 'iframe', 'img'];
var CardMedia = React.forwardRef(function CardMedia(props, ref) {
  var classes = props.classes,
      className = props.className,
      _props$component = props.component,
      Component = _props$component === void 0 ? 'div' : _props$component,
      image = props.image,
      src = props.src,
      style = props.style,
      other = _objectWithoutProperties(props, ["classes", "className", "component", "image", "src", "style"]);

  process.env.NODE_ENV !== "production" ? warning('children' in other || Boolean(image || src), 'Material-UI: either `children`, `image` or `src` prop must be specified.') : void 0;
  var isMediaComponent = MEDIA_COMPONENTS.indexOf(Component) !== -1;
  var composedStyle = !isMediaComponent && image ? _extends({
    backgroundImage: "url(\"".concat(image, "\")")
  }, style) : style;
  return React.createElement(Component, _extends({
    className: clsx(classes.root, className, isMediaComponent && classes.media),
    ref: ref,
    style: composedStyle,
    src: isMediaComponent ? image || src : undefined
  }, other));
});
process.env.NODE_ENV !== "production" ? CardMedia.propTypes = {
  /**
   * Override or extend the styles applied to the component.
   * See [CSS API](#css) below for more details.
   */
  classes: PropTypes.object.isRequired,

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

  /**
   * Component for rendering image.
   * Either a string to use a DOM element or a component.
   */
  component: PropTypes.elementType,

  /**
   * Image to be displayed as a background image.
   * Either `image` or `src` prop must be specified.
   * Note that caller must specify height otherwise the image will not be visible.
   */
  image: PropTypes.string,

  /**
   * An alias for `image` property.
   * Available only with media components.
   * Media components: `video`, `audio`, `picture`, `iframe`, `img`.
   */
  src: PropTypes.string,

  /**
   * @ignore
   */
  style: PropTypes.object
} : void 0;
export default withStyles(styles, {
  name: 'MuiCardMedia'
})(CardMedia);