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import React from 'react';
import PropTypes from 'prop-types';
import { TransitionGroup, CSSTransition } from 'react-transition-group';
import styled from 'styled-components';
const AnimationStyles = styled.span`
position: relative;
.count {
display: block;
position: relative;
transition: all 0.4s;
backface-visibility: hidden;
}
/* Initial State of the entered Dot */
.count-enter {
transform: scale(4) rotateX(0.5turn);
}
.count-enter-active {
transform: rotateX(0);
}
.count-exit {
top: 0;
position: absolute;
transform: rotateX(0);
}
.count-exit-active {
transform: scale(4) rotateX(0.5turn);
}
`;
const Dot = styled.div`
background: ${props => props.theme.red};
color: white;
border-radius: 50%;
padding: 0.5rem;
line-height: 2rem;
min-width: 3rem;
margin-left: 1rem;
font-weight: 100;
font-feature-settings: 'tnum';
font-variant-numeric: tabular-nums;
`;
const CartCount = ({ count }) => (
<AnimationStyles>
<TransitionGroup>
<CSSTransition
unmountOnExit
className="count"
classNames="count"
key={count}
timeout={{ enter: 400, exit: 400 }}
>
<Dot>{count}</Dot>
</CSSTransition>
</TransitionGroup>
</AnimationStyles>
);
CartCount.propTypes = {
count: PropTypes.number.isRequired,
};
export default CartCount;
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