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