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uni_modules/zebra-swiper/libs/translate/translateTo.js

@@ -0,0 +1,90 @@
+import {
+	animateCSSModeScroll
+} from '../../shared/utils.js';
+export default function translateTo(translate = 0, speed = this.params.speed, runCallbacks = true, translateBounds =
+	true, internal) {
+	const swiper = this;
+	let timer;
+	const {
+		params,
+		wrapperEl
+	} = swiper;
+
+	if (swiper.animating && params.preventInteractionOnTransition) {
+		return false;
+	}
+
+	const minTranslate = swiper.minTranslate();
+	const maxTranslate = swiper.maxTranslate();
+	let newTranslate;
+	if (translateBounds && translate > minTranslate) newTranslate = minTranslate;
+	else if (translateBounds && translate < maxTranslate) newTranslate = maxTranslate;
+	else newTranslate = translate; // Update progress
+
+	swiper.updateProgress(newTranslate);
+
+	if (params.cssMode) {
+		const isH = swiper.isHorizontal();
+
+		if (speed === 0) {
+			wrapperEl[isH ? 'scrollLeft' : 'scrollTop'] = -newTranslate;
+		} else {
+			if (!swiper.support.smoothScroll) {
+				animateCSSModeScroll({
+					swiper,
+					targetPosition: -newTranslate,
+					side: isH ? 'left' : 'top'
+				});
+				return true;
+			}
+
+			wrapperEl.scrollTo({
+				[isH ? 'left' : 'top']: -newTranslate,
+				behavior: 'smooth'
+			});
+		}
+
+		return true;
+	}
+
+	if (speed === 0) {
+		swiper.setTransition(0);
+		swiper.setTranslate(newTranslate);
+
+		if (runCallbacks) {
+			swiper.emit('beforeTransitionStart', speed, internal);
+			swiper.emit('transitionEnd');
+		}
+	} else {
+		swiper.setTransition(speed);
+		swiper.setTranslate(newTranslate);
+
+		if (runCallbacks) {
+			swiper.emit('beforeTransitionStart', speed, internal);
+			swiper.emit('transitionStart');
+		}
+
+		if (!swiper.animating) {
+			swiper.animating = true;
+
+			if (!swiper.onTranslateToWrapperTransitionEnd) {
+				swiper.onTranslateToWrapperTransitionEnd = function transitionEnd(e) {
+					if (!swiper || swiper.destroyed) return;
+					if (e.target !== this) return;
+					clearTimeout(timer)
+					swiper.onTranslateToWrapperTransitionEnd = null;
+					delete swiper.onTranslateToWrapperTransitionEnd;
+
+					if (runCallbacks) {
+						swiper.emit('transitionEnd');
+					}
+				};
+			}
+			timer = setTimeout(() => {
+				swiper.onTranslateToWrapperTransitionEnd();
+			}, speed)
+		}
+	}
+
+	return true;
+}