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import _extends from 'babel-runtime/helpers/extends';
import classnames from 'classnames';
import { cloneElement } from '../../_util/vnode';
import { getStyle, getClass } from '../../_util/props-util';
import { lazyStartIndex, lazyEndIndex, getPreClones } from './utils/innerSliderUtils';
// given specifications/props for a slide, fetch all the classes that need to be applied to the slide
var getSlideClasses = function getSlideClasses(spec) {
var slickActive = void 0,
slickCenter = void 0;
var centerOffset = void 0,
index = void 0;
if (spec.rtl) {
index = spec.slideCount - 1 - spec.index;
} else {
index = spec.index;
}
var 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;
}
var slickCurrent = index === spec.currentSlide;
return {
'slick-slide': true,
'slick-active': slickActive,
'slick-center': slickCenter,
'slick-cloned': slickCloned,
'slick-current': slickCurrent // dubious in case of RTL
};
};
var getSlideStyle = function getSlideStyle(spec) {
var 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;
style.transition = 'opacity ' + spec.speed + 'ms ' + spec.cssEase + ', ' + 'visibility ' + spec.speed + 'ms ' + spec.cssEase;
style.WebkitTransition = 'opacity ' + spec.speed + 'ms ' + spec.cssEase + ', ' + 'visibility ' + spec.speed + 'ms ' + spec.cssEase;
}
return style;
};
var getKey = function getKey(child, fallbackKey) {
return child.key || child.key === 0 && '0' || fallbackKey;
};
var renderSlides = function renderSlides(spec, children, createElement) {
var key = void 0;
var slides = [];
var preCloneSlides = [];
var postCloneSlides = [];
var childrenCount = children.length;
var startIndex = lazyStartIndex(spec);
var endIndex = lazyEndIndex(spec);
children.forEach(function (elem, index) {
var child = void 0;
var childOnClickOptions = {
message: 'children',
index: 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 = createElement('div');
}
var childStyle = getSlideStyle(_extends({}, spec, { index: index }));
var slideClass = getClass(child.context) || '';
var slideClasses = getSlideClasses(_extends({}, spec, { index: index }));
// push a cloned element of the desired slide
slides.push(cloneElement(child, {
key: 'original' + getKey(child, index),
attrs: {
tabIndex: '-1',
'data-index': index,
'aria-hidden': !slideClasses['slick-active']
},
'class': classnames(slideClasses, slideClass),
style: _extends({ outline: 'none' }, getStyle(child.context) || {}, childStyle),
on: {
click: function click() {
// child.props && child.props.onClick && child.props.onClick(e)
if (spec.focusOnSelect) {
spec.focusOnSelect(childOnClickOptions);
}
}
}
}, true));
// if slide needs to be precloned or postcloned
if (spec.infinite && spec.fade === false) {
var preCloneNo = childrenCount - index;
if (preCloneNo <= getPreClones(spec) && childrenCount !== spec.slidesToShow) {
key = -preCloneNo;
if (key >= startIndex) {
child = elem;
}
slideClasses = getSlideClasses(_extends({}, spec, { index: key }));
preCloneSlides.push(cloneElement(child, {
key: 'precloned' + getKey(child, key),
'class': classnames(slideClasses, slideClass),
attrs: {
tabIndex: '-1',
'data-index': key,
'aria-hidden': !slideClasses['slick-active']
},
style: _extends({}, getStyle(child.context) || {}, childStyle),
on: {
click: function click() {
// 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({}, spec, { index: key }));
postCloneSlides.push(cloneElement(child, {
key: 'postcloned' + getKey(child, key),
attrs: {
tabIndex: '-1',
'data-index': key,
'aria-hidden': !slideClasses['slick-active']
},
'class': classnames(slideClasses, slideClass),
style: _extends({}, getStyle(child.context) || {}, childStyle),
on: {
click: function click() {
// 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);
}
};
export default {
functional: true,
render: function render(createElement, context) {
var h = arguments[0];
var props = context.props,
listeners = context.listeners,
children = context.children,
data = context.data;
var slides = renderSlides(props, children, createElement);
var mouseenter = listeners.mouseenter,
mouseover = listeners.mouseover,
mouseleave = listeners.mouseleave;
var mouseEvents = { mouseenter: mouseenter, mouseover: mouseover, mouseleave: mouseleave };
var trackProps = {
'class': 'slick-track',
style: props.trackStyle,
on: _extends({}, mouseEvents),
directives: data.directives
};
return h(
'div',
trackProps,
[slides]
);
}
};