ant-design-vue
Version:
An enterprise-class UI design language and Vue-based implementation
191 lines • 6.61 kB
JavaScript
import _extends from "@babel/runtime/helpers/esm/extends";
import { createVNode as _createVNode } from "vue";
import { createVNode } from 'vue';
import classnames from '../_util/classNames';
import { flattenChildren } from '../_util/props-util';
import { lazyStartIndex, lazyEndIndex, getPreClones } from './utils/innerSliderUtils';
import { deepCloneElement } from '../_util/vnode';
// given specifications/props for a slide, fetch all the classes that need to be applied to the slide
const getSlideClasses = spec => {
let slickActive, slickCenter;
let centerOffset, index;
if (spec.rtl) {
index = spec.slideCount - 1 - spec.index;
} else {
index = spec.index;
}
const slickCloned = index < 0 || index >= spec.slideCount;
if (spec.centerMode) {
centerOffset = Math.floor(spec.slidesToShow / 2);
slickCenter = (index - spec.currentSlide) % spec.slideCount === 0;
if (index > spec.currentSlide - centerOffset - 1 && index <= spec.currentSlide + centerOffset) {
slickActive = true;
}
} else {
slickActive = spec.currentSlide <= index && index < spec.currentSlide + spec.slidesToShow;
}
let focusedSlide;
if (spec.targetSlide < 0) {
focusedSlide = spec.targetSlide + spec.slideCount;
} else if (spec.targetSlide >= spec.slideCount) {
focusedSlide = spec.targetSlide - spec.slideCount;
} else {
focusedSlide = spec.targetSlide;
}
const slickCurrent = index === focusedSlide;
return {
'slick-slide': true,
'slick-active': slickActive,
'slick-center': slickCenter,
'slick-cloned': slickCloned,
'slick-current': slickCurrent // dubious in case of RTL
};
};
const getSlideStyle = function (spec) {
const style = {};
if (spec.variableWidth === undefined || spec.variableWidth === false) {
style.width = spec.slideWidth + (typeof spec.slideWidth === 'number' ? 'px' : '');
}
if (spec.fade) {
style.position = 'relative';
if (spec.vertical) {
style.top = -spec.index * parseInt(spec.slideHeight) + 'px';
} else {
style.left = -spec.index * parseInt(spec.slideWidth) + 'px';
}
style.opacity = spec.currentSlide === spec.index ? 1 : 0;
if (spec.useCSS) {
style.transition = 'opacity ' + spec.speed + 'ms ' + spec.cssEase + ', ' + 'visibility ' + spec.speed + 'ms ' + spec.cssEase;
}
}
return style;
};
const getKey = (child, fallbackKey) => child.key + '-' + fallbackKey;
const renderSlides = function (spec, children) {
let key;
const slides = [];
const preCloneSlides = [];
const postCloneSlides = [];
const childrenCount = children.length;
const startIndex = lazyStartIndex(spec);
const endIndex = lazyEndIndex(spec);
children.forEach((elem, index) => {
let child;
const childOnClickOptions = {
message: 'children',
index,
slidesToScroll: spec.slidesToScroll,
currentSlide: spec.currentSlide
};
// in case of lazyLoad, whether or not we want to fetch the slide
if (!spec.lazyLoad || spec.lazyLoad && spec.lazyLoadedList.indexOf(index) >= 0) {
child = elem;
} else {
child = createVNode('div');
}
const childStyle = getSlideStyle(_extends(_extends({}, spec), {
index
}));
const slideClass = child.props.class || '';
let slideClasses = getSlideClasses(_extends(_extends({}, spec), {
index
}));
// push a cloned element of the desired slide
slides.push(deepCloneElement(child, {
key: 'original' + getKey(child, index),
tabindex: '-1',
'data-index': index,
'aria-hidden': !slideClasses['slick-active'],
class: classnames(slideClasses, slideClass),
style: _extends(_extends({
outline: 'none'
}, child.props.style || {}), childStyle),
onClick: () => {
// child.props && child.props.onClick && child.props.onClick(e)
if (spec.focusOnSelect) {
spec.focusOnSelect(childOnClickOptions);
}
}
}));
// if slide needs to be precloned or postcloned
if (spec.infinite && spec.fade === false) {
const preCloneNo = childrenCount - index;
if (preCloneNo <= getPreClones(spec) && childrenCount !== spec.slidesToShow) {
key = -preCloneNo;
if (key >= startIndex) {
child = elem;
}
slideClasses = getSlideClasses(_extends(_extends({}, spec), {
index: key
}));
preCloneSlides.push(deepCloneElement(child, {
key: 'precloned' + getKey(child, key),
class: classnames(slideClasses, slideClass),
tabindex: '-1',
'data-index': key,
'aria-hidden': !slideClasses['slick-active'],
style: _extends(_extends({}, child.props.style || {}), childStyle),
onClick: () => {
// child.props && child.props.onClick && child.props.onClick(e)
if (spec.focusOnSelect) {
spec.focusOnSelect(childOnClickOptions);
}
}
}));
}
if (childrenCount !== spec.slidesToShow) {
key = childrenCount + index;
if (key < endIndex) {
child = elem;
}
slideClasses = getSlideClasses(_extends(_extends({}, spec), {
index: key
}));
postCloneSlides.push(deepCloneElement(child, {
key: 'postcloned' + getKey(child, key),
tabindex: '-1',
'data-index': key,
'aria-hidden': !slideClasses['slick-active'],
class: classnames(slideClasses, slideClass),
style: _extends(_extends({}, child.props.style || {}), childStyle),
onClick: () => {
// child.props && child.props.onClick && child.props.onClick(e)
if (spec.focusOnSelect) {
spec.focusOnSelect(childOnClickOptions);
}
}
}));
}
}
});
if (spec.rtl) {
return preCloneSlides.concat(slides, postCloneSlides).reverse();
} else {
return preCloneSlides.concat(slides, postCloneSlides);
}
};
const Track = (_, _ref) => {
let {
attrs,
slots
} = _ref;
const slides = renderSlides(attrs, flattenChildren(slots === null || slots === void 0 ? void 0 : slots.default()));
// const slides = renderSlides(attrs, slots?.default);
const {
onMouseenter,
onMouseover,
onMouseleave
} = attrs;
const mouseEvents = {
onMouseenter,
onMouseover,
onMouseleave
};
const trackProps = _extends({
class: 'slick-track',
style: attrs.trackStyle
}, mouseEvents);
return _createVNode("div", trackProps, [slides]);
};
Track.inheritAttrs = false;
export default Track;