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Avatar.js
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Mon, Feb 3, 17:17

Avatar.js
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import _objectWithoutPropertiesLoose from "@babel/runtime/helpers/esm/objectWithoutPropertiesLoose";
import _extends from "@babel/runtime/helpers/esm/extends";
const _excluded = ["alt", "children", "className", "component", "imgProps", "sizes", "src", "srcSet", "variant"];
import * as React from 'react';
import PropTypes from 'prop-types';
import clsx from 'clsx';
import { unstable_composeClasses as composeClasses } from '@mui/base';
import styled from '../styles/styled';
import useThemeProps from '../styles/useThemeProps';
import Person from '../internal/svg-icons/Person';
import { getAvatarUtilityClass } from './avatarClasses';
import { jsx as _jsx } from "react/jsx-runtime";
const useUtilityClasses = ownerState => {
const {
classes,
variant,
colorDefault
} = ownerState;
const slots = {
root: ['root', variant, colorDefault && 'colorDefault'],
img: ['img'],
fallback: ['fallback']
};
return composeClasses(slots, getAvatarUtilityClass, classes);
};
const AvatarRoot = styled('div', {
name: 'MuiAvatar',
slot: 'Root',
overridesResolver: (props, styles) => {
const {
ownerState
} = props;
return [styles.root, styles[ownerState.variant], ownerState.colorDefault && styles.colorDefault];
}
})(({
theme,
ownerState
}) => _extends({
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'
}, ownerState.variant === 'rounded' && {
borderRadius: (theme.vars || theme).shape.borderRadius
}, ownerState.variant === 'square' && {
borderRadius: 0
}, ownerState.colorDefault && _extends({
color: (theme.vars || theme).palette.background.default
}, theme.vars ? {
backgroundColor: theme.vars.palette.Avatar.defaultBg
} : {
backgroundColor: theme.palette.mode === 'light' ? theme.palette.grey[400] : theme.palette.grey[600]
})));
const AvatarImg = styled('img', {
name: 'MuiAvatar',
slot: 'Img',
overridesResolver: (props, styles) => styles.img
})({
width: '100%',
height: '100%',
textAlign: 'center',
// Handle non-square image. The property isn't supported by IE11.
objectFit: 'cover',
// Hide alt text.
color: 'transparent',
// Hide the image broken icon, only works on Chrome.
textIndent: 10000
});
const AvatarFallback = styled(Person, {
name: 'MuiAvatar',
slot: 'Fallback',
overridesResolver: (props, styles) => styles.fallback
})({
width: '75%',
height: '75%'
});
function useLoaded({
crossOrigin,
referrerPolicy,
src,
srcSet
}) {
const [loaded, setLoaded] = React.useState(false);
React.useEffect(() => {
if (!src && !srcSet) {
return undefined;
}
setLoaded(false);
let active = true;
const image = new Image();
image.onload = () => {
if (!active) {
return;
}
setLoaded('loaded');
};
image.onerror = () => {
if (!active) {
return;
}
setLoaded('error');
};
image.crossOrigin = crossOrigin;
image.referrerPolicy = referrerPolicy;
image.src = src;
if (srcSet) {
image.srcset = srcSet;
}
return () => {
active = false;
};
}, [crossOrigin, referrerPolicy, src, srcSet]);
return loaded;
}
const Avatar = /*#__PURE__*/React.forwardRef(function Avatar(inProps, ref) {
const props = useThemeProps({
props: inProps,
name: 'MuiAvatar'
});
const {
alt,
children: childrenProp,
className,
component = 'div',
imgProps,
sizes,
src,
srcSet,
variant = 'circular'
} = props,
other = _objectWithoutPropertiesLoose(props, _excluded);
let children = null;
// Use a hook instead of onError on the img element to support server-side rendering.
const loaded = useLoaded(_extends({}, imgProps, {
src,
srcSet
}));
const hasImg = src || srcSet;
const hasImgNotFailing = hasImg && loaded !== 'error';
const ownerState = _extends({}, props, {
colorDefault: !hasImgNotFailing,
component,
variant
});
const classes = useUtilityClasses(ownerState);
if (hasImgNotFailing) {
children = /*#__PURE__*/_jsx(AvatarImg, _extends({
alt: alt,
src: src,
srcSet: srcSet,
sizes: sizes,
ownerState: ownerState,
className: classes.img
}, imgProps));
} else if (childrenProp != null) {
children = childrenProp;
} else if (hasImg && alt) {
children = alt[0];
} else {
children = /*#__PURE__*/_jsx(AvatarFallback, {
className: classes.fallback
});
}
return /*#__PURE__*/_jsx(AvatarRoot, _extends({
as: component,
ownerState: ownerState,
className: clsx(classes.root, className),
ref: ref
}, other, {
children: children
}));
});
process.env.NODE_ENV !== "production" ? Avatar.propTypes /* remove-proptypes */ = {
// ----------------------------- Warning --------------------------------
// | These PropTypes are generated from the TypeScript type definitions |
// | To update them edit the d.ts file and run "yarn 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.
*/
classes: PropTypes.object,
/**
* @ignore
*/
className: PropTypes.string,
/**
* The component used for the root node.
* Either a string to use a HTML element or a component.
*/
component: PropTypes.elementType,
/**
* [Attributes](https://developer.mozilla.org/en-US/docs/Web/HTML/Element/img#attributes) applied to the `img` element if the component is used to display an image.
* It can be used to listen for the loading error event.
*/
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.
* Use this attribute for responsive image display.
*/
srcSet: PropTypes.string,
/**
* The system prop that allows defining system overrides as well as additional CSS styles.
*/
sx: PropTypes.oneOfType([PropTypes.arrayOf(PropTypes.oneOfType([PropTypes.func, PropTypes.object, PropTypes.bool])), PropTypes.func, PropTypes.object]),
/**
* The shape of the avatar.
* @default 'circular'
*/
variant: PropTypes /* @typescript-to-proptypes-ignore */.oneOfType([PropTypes.oneOf(['circular', 'rounded', 'square']), PropTypes.string])
} : void 0;
export default Avatar;

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