swiper
Version:
Most modern mobile touch slider and framework with hardware accelerated transitions
38 lines (30 loc) • 901 B
JavaScript
export default function transitionStart(runCallbacks, direction) {
if (runCallbacks === void 0) {
runCallbacks = true;
}
var swiper = this;
var activeIndex = swiper.activeIndex,
params = swiper.params,
previousIndex = swiper.previousIndex;
if (params.cssMode) return;
if (params.autoHeight) {
swiper.updateAutoHeight();
}
var dir = direction;
if (!dir) {
if (activeIndex > previousIndex) dir = 'next';else if (activeIndex < previousIndex) dir = 'prev';else dir = 'reset';
}
swiper.emit('transitionStart');
if (runCallbacks && activeIndex !== previousIndex) {
if (dir === 'reset') {
swiper.emit('slideResetTransitionStart');
return;
}
swiper.emit('slideChangeTransitionStart');
if (dir === 'next') {
swiper.emit('slideNextTransitionStart');
} else {
swiper.emit('slidePrevTransitionStart');
}
}
}