@material-ui/core/esm/Avatar/Avatar.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 withStyles from '../styles/withStyles';
export var styles = function styles(theme) {
  return {
    /* Styles applied to the root element. */
    root: {
      position: 'relative',
      display: 'flex',
      alignItems: 'center',
      justifyContent: 'center',
      flexShrink: 0,
      width: 40,
      height: 40,
      fontFamily: theme.typography.fontFamily,
      fontSize: theme.typography.pxToRem(20),
      lineHeight: 1,
      borderRadius: '50%',
      overflow: 'hidden',
      userSelect: 'none'
    },

    /* Styles applied to the root element if there are children and not `src` or `srcSet`. */
    colorDefault: {
      color: theme.palette.background.default,
      backgroundColor: theme.palette.type === 'light' ? theme.palette.grey[400] : theme.palette.grey[600]
    },

    /* Styles applied to the root element if `variant="circle"`. */
    circle: {},

    /* Styles applied to the root element if `variant="rounded"`. */
    rounded: {
      borderRadius: theme.shape.borderRadius
    },

    /* Styles applied to the root element if `variant="square"`. */
    square: {
      borderRadius: 0
    },

    /* Styles applied to the img element if either `src` or `srcSet` is defined. */
    img: {
      width: '100%',
      height: '100%',
      textAlign: 'center',
      // Handle non-square image. The property isn't supported by IE 11.
      objectFit: 'cover'
    }
  };
};
var Avatar = React.forwardRef(function Avatar(props, ref) {
  var alt = props.alt,
      childrenProp = props.children,
      classes = props.classes,
      className = props.className,
      _props$component = props.component,
      Component = _props$component === void 0 ? 'div' : _props$component,
      imgProps = props.imgProps,
      sizes = props.sizes,
      src = props.src,
      srcSet = props.srcSet,
      _props$variant = props.variant,
      variant = _props$variant === void 0 ? 'circle' : _props$variant,
      other = _objectWithoutProperties(props, ["alt", "children", "classes", "className", "component", "imgProps", "sizes", "src", "srcSet", "variant"]);

  var children = null;
  var img = src || srcSet;

  if (img) {
    children = React.createElement("img", _extends({
      alt: alt,
      src: src,
      srcSet: srcSet,
      sizes: sizes,
      className: classes.img
    }, imgProps));
  } else {
    children = childrenProp;
  }

  return React.createElement(Component, _extends({
    className: clsx(classes.root, classes.system, classes[variant], className, !img && classes.colorDefault),
    ref: ref
  }, other), children);
});
process.env.NODE_ENV !== "production" ? Avatar.propTypes = {
  /**
   * Used in combination with `src` or `srcSet` to
   * provide an alt attribute for the rendered `img` element.
   */
  alt: PropTypes.string,

  /**
   * Used to render icon or text elements inside the Avatar if `src` is not set.
   * This can be an element, or just a string.
   */
  children: PropTypes.node,

  /**
   * 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,

  /**
   * The component used for the root node.
   * Either a string to use a DOM element or a component.
   */
  component: PropTypes.elementType,

  /**
   * Attributes applied to the `img` element if the component
   * is used to display an image.
   */
  imgProps: PropTypes.object,

  /**
   * The `sizes` attribute for the `img` element.
   */
  sizes: PropTypes.string,

  /**
   * The `src` attribute for the `img` element.
   */
  src: PropTypes.string,

  /**
   * The `srcSet` attribute for the `img` element.
   */
  srcSet: PropTypes.string,

  /**
   * The shape of the avatar.
   */
  variant: PropTypes.oneOf(['circle', 'rounded', 'square'])
} : void 0;
export default withStyles(styles, {
  name: 'MuiAvatar'
})(Avatar);