147 lines
		
	
	
		
			3.4 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
			
		
		
	
	
			147 lines
		
	
	
		
			3.4 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
import React from 'react';
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import PropTypes from 'prop-types';
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import classNames from 'classnames';
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import withStyles from '../styles/withStyles';
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export const styles = theme => ({
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  root: {
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    position: 'relative',
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    display: 'flex',
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    alignItems: 'center',
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    justifyContent: 'center',
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    flexShrink: 0,
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    width: theme.spacing.unit * 5,
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    height: theme.spacing.unit * 5,
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    fontFamily: theme.typography.fontFamily,
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    fontSize: theme.typography.pxToRem(20),
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    borderRadius: '50%',
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    overflow: 'hidden',
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    userSelect: 'none',
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  },
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  colorDefault: {
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    color: theme.palette.background.default,
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    backgroundColor:
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      theme.palette.type === 'light' ? theme.palette.grey[400] : theme.palette.grey[600],
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  },
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  img: {
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    width: '100%',
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    height: '100%',
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    textAlign: 'center',
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    // Handle non-square image. The property isn't supported by IE11.
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    objectFit: 'cover',
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  },
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});
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function Avatar(props) {
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  const {
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    alt,
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    children: childrenProp,
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    childrenClassName: childrenClassNameProp,
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    classes,
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    className: classNameProp,
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    component: Component,
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    imgProps,
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    sizes,
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    src,
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    srcSet,
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    ...other
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  } = props;
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  const className = classNames(
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    classes.root,
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    {
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      [classes.colorDefault]: childrenProp && !src && !srcSet,
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    },
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    classNameProp,
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  );
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  let children = null;
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  if (childrenProp) {
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    if (
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      childrenClassNameProp &&
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      typeof childrenProp !== 'string' &&
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      React.isValidElement(childrenProp)
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    ) {
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      const childrenClassName = classNames(childrenClassNameProp, childrenProp.props.className);
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      children = React.cloneElement(childrenProp, { className: childrenClassName });
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    } else {
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      children = childrenProp;
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    }
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  } else if (src || srcSet) {
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    children = (
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      <img
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        alt={alt}
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        src={src}
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        srcSet={srcSet}
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        sizes={sizes}
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        className={classes.img}
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        {...imgProps}
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      />
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    );
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  }
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  return (
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    <Component className={className} {...other}>
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      {children}
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    </Component>
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  );
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}
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Avatar.propTypes = {
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  /**
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   * Used in combination with `src` or `srcSet` to
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   * provide an alt attribute for the rendered `img` element.
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   */
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  alt: PropTypes.string,
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  /**
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   * Used to render icon or text elements inside the Avatar.
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   * `src` and `alt` props will not be used and no `img` will
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   * be rendered by default.
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   *
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   * This can be an element, or just a string.
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   */
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  children: PropTypes.node,
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  /**
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   * @ignore
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   * The className of the child element.
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   * Used by Chip and ListItemIcon to style the Avatar icon.
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   */
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  childrenClassName: PropTypes.string,
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  /**
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   * Useful to extend the style applied to components.
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   */
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  classes: PropTypes.object.isRequired,
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  /**
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   * @ignore
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   */
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  className: PropTypes.string,
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  /**
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   * The component used for the root node.
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   * Either a string to use a DOM element or a component.
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   */
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  component: PropTypes.oneOfType([PropTypes.string, PropTypes.func]),
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  /**
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   * Properties applied to the `img` element when the component
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   * is used to display an image.
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   */
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  imgProps: PropTypes.object,
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  /**
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   * The `sizes` attribute for the `img` element.
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   */
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  sizes: PropTypes.string,
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  /**
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   * The `src` attribute for the `img` element.
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   */
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  src: PropTypes.string,
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  /**
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   * The `srcSet` attribute for the `img` element.
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   */
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  srcSet: PropTypes.string,
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};
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Avatar.defaultProps = {
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  component: 'div',
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};
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export default withStyles(styles, { name: 'MuiAvatar' })(Avatar);
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