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

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+export default function loopFix() {
+	const swiper = this;
+	swiper.emit('beforeLoopFix');
+	const {
+		activeIndex,
+		slides,
+		loopedSlides,
+		allowSlidePrev,
+		allowSlideNext,
+		snapGrid,
+		rtlTranslate: rtl
+	} = swiper;
+	let newIndex;
+	swiper.allowSlidePrev = true;
+	swiper.allowSlideNext = true;
+	const snapTranslate = -snapGrid[activeIndex];
+	const diff = snapTranslate - swiper.getTranslate();
+
+	if (activeIndex < loopedSlides) {
+		newIndex = slides.length - loopedSlides * 3 + activeIndex;
+		newIndex += loopedSlides;
+		const slideChanged = swiper.slideTo(newIndex, 0, false, true);
+
+		if (slideChanged && diff !== 0) {
+			swiper.setTranslate((rtl ? -swiper.translate : swiper.translate) - diff);
+		}
+	} else if (activeIndex >= slides.length - loopedSlides) {
+		newIndex = -slides.length + activeIndex + loopedSlides;
+		newIndex += loopedSlides;
+		const slideChanged = swiper.slideTo(newIndex, 0, false, true);
+
+		if (slideChanged && diff !== 0) {
+			swiper.setTranslate((rtl ? -swiper.translate : swiper.translate) - diff);
+		}
+	}
+
+	swiper.allowSlidePrev = allowSlidePrev;
+	swiper.allowSlideNext = allowSlideNext;
+	swiper.emit('loopFix');
+}