103 lines
4.1 KiB
JavaScript
103 lines
4.1 KiB
JavaScript
Object.defineProperty(exports, Symbol.toStringTag, { value: 'Module' });
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const require_runtime = require('../../../_virtual/_rolldown/runtime.js');
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const require_types = require('../../../utils/types.js');
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const require_error = require('../../../utils/error.js');
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const require_constants = require('./constants.js');
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let vue = require("vue");
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//#region ../../packages/components/carousel/src/use-carousel-item.ts
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const useCarouselItem = (props) => {
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const carouselContext = (0, vue.inject)(require_constants.carouselContextKey);
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const instance = (0, vue.getCurrentInstance)();
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if (!carouselContext) require_error.debugWarn(require_constants.CAROUSEL_ITEM_NAME, "usage: <el-carousel></el-carousel-item></el-carousel>");
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if (!instance) require_error.debugWarn(require_constants.CAROUSEL_ITEM_NAME, "compositional hook can only be invoked inside setups");
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const carouselItemRef = (0, vue.ref)();
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const hover = (0, vue.ref)(false);
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const translate = (0, vue.ref)(0);
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const scale = (0, vue.ref)(1);
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const active = (0, vue.ref)(false);
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const ready = (0, vue.ref)(false);
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const inStage = (0, vue.ref)(false);
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const animating = (0, vue.ref)(false);
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const { isCardType, isVertical, cardScale } = carouselContext;
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function processIndex(index, activeIndex, length) {
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const lastItemIndex = length - 1;
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const prevItemIndex = activeIndex - 1;
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const nextItemIndex = activeIndex + 1;
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const halfItemIndex = length / 2;
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if (activeIndex === 0 && index === lastItemIndex) return -1;
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else if (activeIndex === lastItemIndex && index === 0) return length;
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else if (index < prevItemIndex && activeIndex - index >= halfItemIndex) return length + 1;
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else if (index > nextItemIndex && index - activeIndex >= halfItemIndex) return -2;
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return index;
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}
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function calcCardTranslate(index, activeIndex) {
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const parentWidth = (0, vue.unref)(isVertical) ? carouselContext.root.value?.offsetHeight || 0 : carouselContext.root.value?.offsetWidth || 0;
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if (inStage.value) return parentWidth * ((2 - cardScale) * (index - activeIndex) + 1) / 4;
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else if (index < activeIndex) return -(1 + cardScale) * parentWidth / 4;
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else return (3 + cardScale) * parentWidth / 4;
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}
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function calcTranslate(index, activeIndex, isVertical) {
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const rootEl = carouselContext.root.value;
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if (!rootEl) return 0;
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return ((isVertical ? rootEl.offsetHeight : rootEl.offsetWidth) || 0) * (index - activeIndex);
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}
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const translateItem = (index, activeIndex, oldIndex) => {
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const _isCardType = (0, vue.unref)(isCardType);
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const carouselItemLength = carouselContext.items.value.length ?? NaN;
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const isActive = index === activeIndex;
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if (!_isCardType && !require_types.isUndefined(oldIndex)) animating.value = isActive || index === oldIndex;
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if (!isActive && carouselItemLength > 2 && carouselContext.loop) index = processIndex(index, activeIndex, carouselItemLength);
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const _isVertical = (0, vue.unref)(isVertical);
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active.value = isActive;
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if (_isCardType) {
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inStage.value = Math.round(Math.abs(index - activeIndex)) <= 1;
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translate.value = calcCardTranslate(index, activeIndex);
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scale.value = (0, vue.unref)(active) ? 1 : cardScale;
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} else translate.value = calcTranslate(index, activeIndex, _isVertical);
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ready.value = true;
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if (isActive && carouselItemRef.value) carouselContext.setContainerHeight(carouselItemRef.value.offsetHeight);
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};
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function handleItemClick() {
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if (carouselContext && (0, vue.unref)(isCardType)) {
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const index = carouselContext.items.value.findIndex(({ uid }) => uid === instance.uid);
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carouselContext.setActiveItem(index);
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}
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}
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const carouselItemContext = {
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props,
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states: (0, vue.reactive)({
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hover,
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translate,
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scale,
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active,
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ready,
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inStage,
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animating
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}),
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uid: instance.uid,
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getVnode: () => instance.vnode,
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translateItem
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};
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carouselContext.addItem(carouselItemContext);
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(0, vue.onBeforeUnmount)(() => {
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carouselContext.removeItem(carouselItemContext);
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});
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return {
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carouselItemRef,
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active,
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animating,
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hover,
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inStage,
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isVertical,
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translate,
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isCardType,
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scale,
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ready,
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handleItemClick
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};
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};
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//#endregion
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exports.useCarouselItem = useCarouselItem;
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//# sourceMappingURL=use-carousel-item.js.map
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