活动按钮状态流转

uni_modules/zebra-swiper/libs/loop/loopCreate.js

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+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;
+}