grommet
Version:
focus on the essential experience
53 lines • 2.02 kB
JavaScript
import React, { useState, useEffect } from 'react';
import { CarouselChildPropTypes } from './propTypes';
import { StyledCarouselChild } from './StyledCarousel';
import { Box } from '../Box';
var CarouselChild = function CarouselChild(_ref) {
var animationDuration = _ref.animationDuration,
_ref$fill = _ref.fill,
fill = _ref$fill === void 0 ? false : _ref$fill,
index = _ref.index,
activeIndex = _ref.activeIndex,
priorActiveIndex = _ref.priorActiveIndex,
direction = _ref.direction,
children = _ref.children;
var _useState = useState(undefined),
animation = _useState[0],
setAnimation = _useState[1];
var _useState2 = useState(index === activeIndex ? 'visible' : 'hidden'),
visibility = _useState2[0],
setVisibility = _useState2[1];
useEffect(function () {
var timer;
if (index === activeIndex) {
if (priorActiveIndex !== undefined) {
/**
* This check will only be false onMount of the component. It ensures
* the initial active slide of the Carousel renders with no animation.
*/
setAnimation(direction === 'left' ? 'slideLeftCurrent' : 'slideRightCurrent');
}
setVisibility('visible');
} else if (index === priorActiveIndex) {
setAnimation(direction === 'left' ? 'slideLeftPrevious' : 'slideRightPrevious');
timer = setTimeout(function () {
return setVisibility('hidden');
}, animationDuration);
}
return function () {
return clearTimeout(timer);
};
}, [activeIndex, priorActiveIndex, index, direction, animationDuration]);
var position = index === 0 ? 'relative' : 'absolute';
return /*#__PURE__*/React.createElement(StyledCarouselChild, {
fill: fill,
visibilityProp: visibility,
positionProp: position,
animationType: animation,
animationDuration: animationDuration
}, /*#__PURE__*/React.createElement(Box, {
fill: fill
}, children));
};
CarouselChild.propTypes = CarouselChildPropTypes;
export { CarouselChild };