dikplhd/public/assets/libs/swiper/modules/manipulation/methods/addSlide.js

53 lines
1.4 KiB
JavaScript

export default function addSlide(index, slides) {
const swiper = this;
const {
params,
activeIndex,
slidesEl
} = swiper;
let activeIndexBuffer = activeIndex;
if (params.loop) {
activeIndexBuffer -= swiper.loopedSlides;
swiper.loopDestroy();
swiper.recalcSlides();
}
const baseLength = swiper.slides.length;
if (index <= 0) {
swiper.prependSlide(slides);
return;
}
if (index >= baseLength) {
swiper.appendSlide(slides);
return;
}
let newActiveIndex = activeIndexBuffer > index ? activeIndexBuffer + 1 : activeIndexBuffer;
const slidesBuffer = [];
for (let i = baseLength - 1; i >= index; i -= 1) {
const currentSlide = swiper.slides[i];
currentSlide.remove();
slidesBuffer.unshift(currentSlide);
}
if (typeof slides === 'object' && 'length' in slides) {
for (let i = 0; i < slides.length; i += 1) {
if (slides[i]) slidesEl.append(slides[i]);
}
newActiveIndex = activeIndexBuffer > index ? activeIndexBuffer + slides.length : activeIndexBuffer;
} else {
slidesEl.append(slides);
}
for (let i = 0; i < slidesBuffer.length; i += 1) {
slidesEl.append(slidesBuffer[i]);
}
swiper.recalcSlides();
if (params.loop) {
swiper.loopCreate();
}
if (!params.observer || swiper.isElement) {
swiper.update();
}
if (params.loop) {
swiper.slideTo(newActiveIndex + swiper.loopedSlides, 0, false);
} else {
swiper.slideTo(newActiveIndex, 0, false);
}
}