@material-ui/core
Version:
React components that implement Google's Material Design.
175 lines (155 loc) • 4.9 kB
JavaScript
import _extends from "@babel/runtime/helpers/esm/extends";
import _objectWithoutPropertiesLoose from "@babel/runtime/helpers/esm/objectWithoutPropertiesLoose";
import React from 'react';
import PropTypes from 'prop-types';
import clsx from 'clsx';
import withStyles from '../styles/withStyles';
import { capitalize } from '../utils/helpers';
const RADIUS = 10;
export const styles = theme => ({
/* Styles applied to the root element. */
root: {
position: 'relative',
display: 'inline-flex',
// For correct alignment with the text.
verticalAlign: 'middle'
},
/* Styles applied to the badge `span` element. */
badge: {
display: 'flex',
flexDirection: 'row',
flexWrap: 'wrap',
justifyContent: 'center',
alignContent: 'center',
alignItems: 'center',
position: 'absolute',
top: 0,
right: 0,
boxSizing: 'border-box',
fontFamily: theme.typography.fontFamily,
fontWeight: theme.typography.fontWeightMedium,
fontSize: theme.typography.pxToRem(12),
minWidth: RADIUS * 2,
padding: '0 4px',
height: RADIUS * 2,
borderRadius: RADIUS,
backgroundColor: theme.palette.color,
color: theme.palette.textColor,
zIndex: 1,
// Render the badge on top of potential ripples.
transform: 'scale(1) translate(50%, -50%)',
transformOrigin: '100% 0%',
transition: theme.transitions.create('transform', {
easing: theme.transitions.easing.easeInOut,
duration: theme.transitions.duration.enteringScreen
})
},
/* Styles applied to the root element if `color="primary"`. */
colorPrimary: {
backgroundColor: theme.palette.primary.main,
color: theme.palette.primary.contrastText
},
/* Styles applied to the root element if `color="secondary"`. */
colorSecondary: {
backgroundColor: theme.palette.secondary.main,
color: theme.palette.secondary.contrastText
},
/* Styles applied to the root element if `color="error"`. */
colorError: {
backgroundColor: theme.palette.error.main,
color: theme.palette.error.contrastText
},
/* Styles applied to the badge `span` element if `invisible={true}`. */
invisible: {
transition: theme.transitions.create('transform', {
easing: theme.transitions.easing.easeInOut,
duration: theme.transitions.duration.leavingScreen
}),
transform: 'scale(0) translate(50%, -50%)',
transformOrigin: '100% 0%'
},
/* Styles applied to the root element if `variant="dot"`. */
dot: {
height: 6,
minWidth: 6,
padding: 0
}
});
const Badge = React.forwardRef(function Badge(props, ref) {
const {
badgeContent,
children,
classes,
className,
color = 'default',
component: ComponentProp = 'span',
invisible: invisibleProp,
max = 99,
showZero = false,
variant = 'standard'
} = props,
other = _objectWithoutPropertiesLoose(props, ["badgeContent", "children", "classes", "className", "color", "component", "invisible", "max", "showZero", "variant"]);
let invisible = invisibleProp;
if (invisibleProp == null && (badgeContent === 0 && !showZero || badgeContent == null && variant !== 'dot')) {
invisible = true;
}
let displayValue = '';
if (variant !== 'dot') {
displayValue = badgeContent > max ? `${max}+` : badgeContent;
}
return React.createElement(ComponentProp, _extends({
className: clsx(classes.root, className),
ref: ref
}, other), children, React.createElement("span", {
className: clsx(classes.badge, color !== 'default' && classes[`color${capitalize(color)}`], invisible && classes.invisible, {
dot: classes.dot
}[variant])
}, displayValue));
});
process.env.NODE_ENV !== "production" ? Badge.propTypes = {
/**
* The content rendered within the badge.
*/
badgeContent: PropTypes.node,
/**
* The badge will be added relative to this node.
*/
children: PropTypes.node.isRequired,
/**
* 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 color of the component. It supports those theme colors that make sense for this component.
*/
color: PropTypes.oneOf(['default', 'primary', 'secondary', 'error']),
/**
* The component used for the root node.
* Either a string to use a DOM element or a component.
*/
component: PropTypes.elementType,
/**
* If `true`, the badge will be invisible.
*/
invisible: PropTypes.bool,
/**
* Max count to show.
*/
max: PropTypes.number,
/**
* Controls whether the badge is hidden when `badgeContent` is zero.
*/
showZero: PropTypes.bool,
/**
* The variant to use.
*/
variant: PropTypes.oneOf(['standard', 'dot'])
} : void 0;
export default withStyles(styles, {
name: 'MuiBadge'
})(Badge);