UNPKG

@material-ui/lab

Version:

Material-UI Lab - Incubator for Material-UI React components.

108 lines (100 loc) 3.53 kB
import _extends from "@babel/runtime/helpers/esm/extends"; import _objectWithoutPropertiesLoose from "@babel/runtime/helpers/esm/objectWithoutPropertiesLoose"; import * as React from 'react'; import PropTypes from 'prop-types'; import { isFragment } from 'react-is'; import clsx from 'clsx'; import { withStyles } from '@material-ui/core/styles'; import Avatar from '@material-ui/core/Avatar'; import { chainPropTypes } from '@material-ui/utils'; const SPACINGS = { small: -16, medium: null }; export const styles = theme => ({ /* Styles applied to the root element. */ root: { display: 'flex' }, /* Styles applied to the avatar elements. */ avatar: { border: `2px solid ${theme.palette.background.default}`, marginLeft: -8, '&:first-child': { marginLeft: 0 } } }); const AvatarGroup = /*#__PURE__*/React.forwardRef(function AvatarGroup(props, ref) { const { children: childrenProp, classes, className, max = 5, spacing = 'medium' } = props, other = _objectWithoutPropertiesLoose(props, ["children", "classes", "className", "max", "spacing"]); const clampedMax = max < 2 ? 2 : max; const children = React.Children.toArray(childrenProp).filter(child => { if (process.env.NODE_ENV !== 'production') { if (isFragment(child)) { console.error(["Material-UI: The AvatarGroup component doesn't accept a Fragment as a child.", 'Consider providing an array instead.'].join('\n')); } } return /*#__PURE__*/React.isValidElement(child); }); const extraAvatars = children.length > clampedMax ? children.length - clampedMax + 1 : 0; const marginLeft = spacing && SPACINGS[spacing] !== undefined ? SPACINGS[spacing] : -spacing; return /*#__PURE__*/React.createElement("div", _extends({ className: clsx(classes.root, className), ref: ref }, other), children.slice(0, children.length - extraAvatars).map((child, index) => { return /*#__PURE__*/React.cloneElement(child, { className: clsx(child.props.className, classes.avatar), style: _extends({ zIndex: children.length - index, marginLeft: index === 0 ? undefined : marginLeft }, child.props.style) }); }), extraAvatars ? /*#__PURE__*/React.createElement(Avatar, { className: classes.avatar, style: { zIndex: 0, marginLeft } }, "+", extraAvatars) : null); }); process.env.NODE_ENV !== "production" ? AvatarGroup.propTypes = { // ----------------------------- Warning -------------------------------- // | These PropTypes are generated from the TypeScript type definitions | // | To update them edit the d.ts file and run "yarn proptypes" | // ---------------------------------------------------------------------- /** * The avatars to stack. */ children: PropTypes.node, /** * Override or extend the styles applied to the component. * See [CSS API](#css) below for more details. */ classes: PropTypes.object, /** * @ignore */ className: PropTypes.string, /** * Max avatars to show before +x. */ max: chainPropTypes(PropTypes.number, props => { if (props.max < 2) { throw new Error(['Material-UI: The prop `max` should be equal to 2 or above.', 'A value below is clamped to 2.'].join('\n')); } }), /** * Spacing between avatars. */ spacing: PropTypes.oneOfType([PropTypes.oneOf(['medium', 'small']), PropTypes.number]) } : void 0; export default withStyles(styles, { name: 'MuiAvatarGroup' })(AvatarGroup);