cczg-lottery-activity/uni_modules/zebra-swiper/libs/loop/loopCreate.js

52 lines
1.5 KiB
JavaScript

export default function loopCreate() {
const swiper = this;
const {
params,
$wrapperEl,
native
} = swiper; // Remove duplicated slides
const $selector = $wrapperEl;
let slides = native.children;
if (params.loopFillGroupWithBlank) {
const blankSlidesNum = params.slidesPerGroup - slides.length % params.slidesPerGroup;
if (blankSlidesNum !== params.slidesPerGroup) {
native.loopBlankShow = true;
native.loopBlankNumber = blankSlidesNum;
}
}
if (params.slidesPerView === 'auto' && !params.loopedSlides) params.loopedSlides = slides.length;
swiper.loopedSlides = Math.ceil(parseFloat(params.loopedSlides || params.slidesPerView, 10));
swiper.loopedSlides += params.loopAdditionalSlides;
if (swiper.loopedSlides > slides.length) {
swiper.loopedSlides = slides.length;
}
const prependSlides = [];
const appendSlides = [];
slides.forEach((el, index) => {
const slide = el;
if (index < slides.length && index >= slides.length - swiper.loopedSlides) {
prependSlides.push(el);
}
if (index < swiper.loopedSlides) {
appendSlides.push(el);
}
});
let list = [...swiper.native.value];
let newList = [...list];
swiper.originalDataList = [...swiper.native.value];
for (let i = 0; i < appendSlides.length; i += 1) {
newList.push(list[appendSlides[i].index]);
}
for (let i = prependSlides.length - 1; i >= 0; i -= 1) {
newList.unshift(list[prependSlides[i].index]);
}
swiper.native.$emit("input", newList)
return true;
}