@material-ui/lab
Version:
Material-UI Lab - Incubator for Material-UI React components.
148 lines (136 loc) • 3.83 kB
JavaScript
import _extends from "@babel/runtime/helpers/esm/extends";
import _objectWithoutPropertiesLoose from "@babel/runtime/helpers/esm/objectWithoutPropertiesLoose";
import * as React from 'react';
import clsx from 'clsx';
import PropTypes from 'prop-types';
import { withStyles } from '@material-ui/core/styles';
export const styles = theme => ({
/* Styles applied to the root element. */
root: {
display: 'block',
backgroundColor: theme.palette.action.hover,
height: '1.2em'
},
/* Styles applied to the root element if `variant="text"`. */
text: {
marginTop: 0,
marginBottom: 0,
height: 'auto',
transformOrigin: '0 60%',
transform: 'scale(1, 0.60)',
borderRadius: theme.shape.borderRadius,
'&:empty:before': {
content: '"\\00a0"'
}
},
/* Styles applied to the root element if `variant="rect"`. */
rect: {},
/* Styles applied to the root element if `variant="circle"`. */
circle: {
borderRadius: '50%'
},
/* Styles applied to the root element if `animation="pulse"`. */
pulse: {
animation: '$pulse 1.5s ease-in-out 0.5s infinite'
},
'@keyframes pulse': {
'0%': {
opacity: 1
},
'50%': {
opacity: 0.4
},
'100%': {
opacity: 1
}
},
/* Styles applied to the root element if `animation="wave"`. */
wave: {
position: 'relative',
overflow: 'hidden',
'&::after': {
animation: '$wave 1.6s linear 0.5s infinite',
background: `linear-gradient(90deg, transparent, ${theme.palette.action.hover}, transparent)`,
content: '""',
position: 'absolute',
transform: 'translateX(-100%)',
// Avoid flash during server-side hydration
bottom: 0,
left: 0,
right: 0,
top: 0,
zIndex: 1
}
},
'@keyframes wave': {
'0%': {
transform: 'translateX(-100%)'
},
'60%': {
// +0.5s of delay between each loop
transform: 'translateX(100%)'
},
'100%': {
transform: 'translateX(100%)'
}
}
});
const Skeleton = React.forwardRef(function Skeleton(props, ref) {
const {
animation = 'pulse',
classes,
className,
component: Component = 'span',
height,
variant = 'text',
width
} = props,
other = _objectWithoutPropertiesLoose(props, ["animation", "classes", "className", "component", "height", "variant", "width"]);
return /*#__PURE__*/React.createElement(Component, _extends({
ref: ref,
className: clsx(classes.root, classes[variant], className, animation !== false && classes[animation])
}, other, {
style: _extends({
width,
height
}, other.style)
}));
});
process.env.NODE_ENV !== "production" ? Skeleton.propTypes = {
/**
* The animation.
* If `false` the animation effect is disabled.
*/
animation: PropTypes.oneOf(['pulse', 'wave', false]),
/**
* 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,
/**
* Height of the skeleton.
* Useful when you don't want to adapt the skeleton to a text element but for instance a card.
*/
height: PropTypes.oneOfType([PropTypes.number, PropTypes.string]),
/**
* The type of content that will be rendered.
*/
variant: PropTypes.oneOf(['text', 'rect', 'circle']),
/**
* Width of the skeleton.
* Useful when the skeleton is inside an inline element with no width of its own.
*/
width: PropTypes.oneOfType([PropTypes.number, PropTypes.string])
} : void 0;
export default withStyles(styles, {
name: 'MuiSkeleton'
})(Skeleton);