152 lines
3.3 KiB
Plaintext
152 lines
3.3 KiB
Plaintext
// @flow
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import React from 'react';
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import type { ElementType, Element } from 'react';
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import classNames from 'classnames';
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import withStyles from '../styles/withStyles';
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import { emphasize } from '../styles/colorManipulator';
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export const styles = (theme: Object) => ({
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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: 40,
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height: 40,
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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: emphasize(theme.palette.background.default, 0.26),
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},
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img: {
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maxWidth: '100%',
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width: '100%',
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height: 'auto',
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},
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});
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type ProvidedProps = {
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classes: Object,
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component: ElementType,
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};
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export type Props = {
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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?: 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?: string | Element<any>,
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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?: 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?: Object,
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/**
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* @ignore
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*/
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className?: 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?: ElementType,
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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?: 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?: 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?: 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?: string,
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};
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function Avatar(props: ProvidedProps & Props) {
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const {
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alt,
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classes,
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className: classNameProp,
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children: childrenProp,
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childrenClassName: childrenClassNameProp,
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component: ComponentProp,
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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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<ComponentProp className={className} {...other}>
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{children}
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</ComponentProp>
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);
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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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