{"version":3,"file":"use-carousel-item.mjs","sources":["../../../../../../packages/components/carousel/src/use-carousel-item.ts"],"sourcesContent":["import {\n getCurrentInstance,\n inject,\n onMounted,\n onUnmounted,\n reactive,\n ref,\n unref,\n} from 'vue'\nimport { debugWarn, isUndefined } from '@element-plus/utils'\nimport { carouselContextKey } from './constants'\n\nimport type { CarouselItemProps } from './carousel-item'\n\nexport const useCarouselItem = (\n props: CarouselItemProps,\n componentName: string\n) => {\n const carouselContext = inject(carouselContextKey)!\n // instance\n const instance = getCurrentInstance()!\n if (!carouselContext) {\n debugWarn(\n componentName,\n 'usage: <el-carousel></el-carousel-item></el-carousel>'\n )\n }\n\n if (!instance) {\n debugWarn(\n componentName,\n 'compositional hook can only be invoked inside setups'\n )\n }\n\n const CARD_SCALE = 0.83\n\n const carouselItemRef = ref<HTMLElement>()\n const hover = ref(false)\n const translate = ref(0)\n const scale = ref(1)\n const active = ref(false)\n const ready = ref(false)\n const inStage = ref(false)\n const animating = ref(false)\n\n // computed\n const { isCardType, isVertical } = carouselContext\n\n // methods\n\n function processIndex(index: number, activeIndex: number, length: number) {\n const lastItemIndex = length - 1\n const prevItemIndex = activeIndex - 1\n const nextItemIndex = activeIndex + 1\n const halfItemIndex = length / 2\n\n if (activeIndex === 0 && index === lastItemIndex) {\n return -1\n } else if (activeIndex === lastItemIndex && index === 0) {\n return length\n } else if (index < prevItemIndex && activeIndex - index >= halfItemIndex) {\n return length + 1\n } else if (index > nextItemIndex && index - activeIndex >= halfItemIndex) {\n return -2\n }\n return index\n }\n\n function calcCardTranslate(index: number, activeIndex: number) {\n const parentWidth = unref(isVertical)\n ? carouselContext.root.value?.offsetHeight || 0\n : carouselContext.root.value?.offsetWidth || 0\n\n if (inStage.value) {\n return (parentWidth * ((2 - CARD_SCALE) * (index - activeIndex) + 1)) / 4\n } else if (index < activeIndex) {\n return (-(1 + CARD_SCALE) * parentWidth) / 4\n } else {\n return ((3 + CARD_SCALE) * parentWidth) / 4\n }\n }\n\n function calcTranslate(\n index: number,\n activeIndex: number,\n isVertical: boolean\n ) {\n const rootEl = carouselContext.root.value\n if (!rootEl) return 0\n\n const distance =\n (isVertical ? rootEl.offsetHeight : rootEl.offsetWidth) || 0\n return distance * (index - activeIndex)\n }\n\n const translateItem = (\n index: number,\n activeIndex: number,\n oldIndex?: number\n ) => {\n const _isCardType = unref(isCardType)\n const carouselItemLength = carouselContext.items.value.length ?? Number.NaN\n\n const isActive = index === activeIndex\n if (!_isCardType && !isUndefined(oldIndex)) {\n animating.value = isActive || index === oldIndex\n }\n\n if (!isActive && carouselItemLength > 2 && carouselContext.loop) {\n index = processIndex(index, activeIndex, carouselItemLength)\n }\n\n const _isVertical = unref(isVertical)\n active.value = isActive\n\n if (_isCardType) {\n inStage.value = Math.round(Math.abs(index - activeIndex)) <= 1\n translate.value = calcCardTranslate(index, activeIndex)\n scale.value = unref(active) ? 1 : CARD_SCALE\n } else {\n translate.value = calcTranslate(index, activeIndex, _isVertical)\n }\n\n ready.value = true\n\n if (isActive && carouselItemRef.value) {\n carouselContext.setContainerHeight(carouselItemRef.value.offsetHeight)\n }\n }\n\n function handleItemClick() {\n if (carouselContext && unref(isCardType)) {\n const index = carouselContext.items.value.findIndex(\n ({ uid }) => uid === instance.uid\n )\n carouselContext.setActiveItem(index)\n }\n }\n\n // lifecycle\n onMounted(() => {\n carouselContext.addItem({\n props,\n states: reactive({\n hover,\n translate,\n scale,\n active,\n ready,\n inStage,\n animating,\n }),\n uid: instance.uid,\n translateItem,\n })\n })\n\n onUnmounted(() => {\n carouselContext.removeItem(instance.uid)\n })\n\n return {\n carouselItemRef,\n active,\n animating,\n hover,\n inStage,\n isVertical,\n translate,\n isCardType,\n scale,\n ready,\n handleItemClick,\n }\n}\n"],"names":[],"mappings":";;;;;;AAWY,MAAC,eAAe,GAAG,CAAC,KAAK,EAAE,aAAa,KAAK;AACzD,EAAE,MAAM,eAAe,GAAG,MAAM,CAAC,kBAAkB,CAAC,CAAC;AACrD,EAAE,MAAM,QAAQ,GAAG,kBAAkB,EAAE,CAAC;AACxC,EAAE,IAAI,CAAC,eAAe,EAAE;AACxB,IAAI,SAAS,CAAC,aAAa,EAAE,uDAAuD,CAAC,CAAC;AACtF,GAAG;AACH,EAAE,IAAI,CAAC,QAAQ,EAAE;AACjB,IAAI,SAAS,CAAC,aAAa,EAAE,sDAAsD,CAAC,CAAC;AACrF,GAAG;AACH,EAAE,MAAM,UAAU,GAAG,IAAI,CAAC;AAC1B,EAAE,MAAM,eAAe,GAAG,GAAG,EAAE,CAAC;AAChC,EAAE,MAAM,KAAK,GAAG,GAAG,CAAC,KAAK,CAAC,CAAC;AAC3B,EAAE,MAAM,SAAS,GAAG,GAAG,CAAC,CAAC,CAAC,CAAC;AAC3B,EAAE,MAAM,KAAK,GAAG,GAAG,CAAC,CAAC,CAAC,CAAC;AACvB,EAAE,MAAM,MAAM,GAAG,GAAG,CAAC,KAAK,CAAC,CAAC;AAC5B,EAAE,MAAM,KAAK,GAAG,GAAG,CAAC,KAAK,CAAC,CAAC;AAC3B,EAAE,MAAM,OAAO,GAAG,GAAG,CAAC,KAAK,CAAC,CAAC;AAC7B,EAAE,MAAM,SAAS,GAAG,GAAG,CAAC,KAAK,CAAC,CAAC;AAC/B,EAAE,MAAM,EAAE,UAAU,EAAE,UAAU,EAAE,GAAG,eAAe,CAAC;AACrD,EAAE,SAAS,YAAY,CAAC,KAAK,EAAE,WAAW,EAAE,MAAM,EAAE;AACpD,IAAI,MAAM,aAAa,GAAG,MAAM,GAAG,CAAC,CAAC;AACrC,IAAI,MAAM,aAAa,GAAG,WAAW,GAAG,CAAC,CAAC;AAC1C,IAAI,MAAM,aAAa,GAAG,WAAW,GAAG,CAAC,CAAC;AAC1C,IAAI,MAAM,aAAa,GAAG,MAAM,GAAG,CAAC,CAAC;AACrC,IAAI,IAAI,WAAW,KAAK,CAAC,IAAI,KAAK,KAAK,aAAa,EAAE;AACtD,MAAM,OAAO,CAAC,CAAC,CAAC;AAChB,KAAK,MAAM,IAAI,WAAW,KAAK,aAAa,IAAI,KAAK,KAAK,CAAC,EAAE;AAC7D,MAAM,OAAO,MAAM,CAAC;AACpB,KAAK,MAAM,IAAI,KAAK,GAAG,aAAa,IAAI,WAAW,GAAG,KAAK,IAAI,aAAa,EAAE;AAC9E,MAAM,OAAO,MAAM,GAAG,CAAC,CAAC;AACxB,KAAK,MAAM,IAAI,KAAK,GAAG,aAAa,IAAI,KAAK,GAAG,WAAW,IAAI,aAAa,EAAE;AAC9E,MAAM,OAAO,CAAC,CAAC,CAAC;AAChB,KAAK;AACL,IAAI,OAAO,KAAK,CAAC;AACjB,GAAG;AACH,EAAE,SAAS,iBAAiB,CAAC,KAAK,EAAE,WAAW,EAAE;AACjD,IAAI,IAAI,EAAE,EAAE,EAAE,CAAC;AACf,IAAI,MAAM,WAAW,GAAG,KAAK,CAAC,UAAU,CAAC,GAAG,CAAC,CAAC,EAAE,GAAG,eAAe,CAAC,IAAI,CAAC,KAAK,KAAK,IAAI,GAAG,KAAK,CAAC,GAAG,EAAE,CAAC,YAAY,KAAK,CAAC,GAAG,CAAC,CAAC,EAAE,GAAG,eAAe,CAAC,IAAI,CAAC,KAAK,KAAK,IAAI,GAAG,KAAK,CAAC,GAAG,EAAE,CAAC,WAAW,KAAK,CAAC,CAAC;AACrM,IAAI,IAAI,OAAO,CAAC,KAAK,EAAE;AACvB,MAAM,OAAO,WAAW,IAAI,CAAC,CAAC,GAAG,UAAU,KAAK,KAAK,GAAG,WAAW,CAAC,GAAG,CAAC,CAAC,GAAG,CAAC,CAAC;AAC9E,KAAK,MAAM,IAAI,KAAK,GAAG,WAAW,EAAE;AACpC,MAAM,OAAO,EAAE,CAAC,GAAG,UAAU,CAAC,GAAG,WAAW,GAAG,CAAC,CAAC;AACjD,KAAK,MAAM;AACX,MAAM,OAAO,CAAC,CAAC,GAAG,UAAU,IAAI,WAAW,GAAG,CAAC,CAAC;AAChD,KAAK;AACL,GAAG;AACH,EAAE,SAAS,aAAa,CAAC,KAAK,EAAE,WAAW,EAAE,WAAW,EAAE;AAC1D,IAAI,MAAM,MAAM,GAAG,eAAe,CAAC,IAAI,CAAC,KAAK,CAAC;AAC9C,IAAI,IAAI,CAAC,MAAM;AACf,MAAM,OAAO,CAAC,CAAC;AACf,IAAI,MAAM,QAAQ,GAAG,CAAC,WAAW,GAAG,MAAM,CAAC,YAAY,GAAG,MAAM,CAAC,WAAW,KAAK,CAAC,CAAC;AACnF,IAAI,OAAO,QAAQ,IAAI,KAAK,GAAG,WAAW,CAAC,CAAC;AAC5C,GAAG;AACH,EAAE,MAAM,aAAa,GAAG,CAAC,KAAK,EAAE,WAAW,EAAE,QAAQ,KAAK;AAC1D,IAAI,IAAI,EAAE,CAAC;AACX,IAAI,MAAM,WAAW,GAAG,KAAK,CAAC,UAAU,CAAC,CAAC;AAC1C,IAAI,MAAM,kBAAkB,GAAG,CAAC,EAAE,GAAG,eAAe,CAAC,KAAK,CAAC,KAAK,CAAC,MAAM,KAAK,IAAI,GAAG,EAAE,GAAG,MAAM,CAAC,GAAG,CAAC;AACnG,IAAI,MAAM,QAAQ,GAAG,KAAK,KAAK,WAAW,CAAC;AAC3C,IAAI,IAAI,CAAC,WAAW,IAAI,CAAC,WAAW,CAAC,QAAQ,CAAC,EAAE;AAChD,MAAM,SAAS,CAAC,KAAK,GAAG,QAAQ,IAAI,KAAK,KAAK,QAAQ,CAAC;AACvD,KAAK;AACL,IAAI,IAAI,CAAC,QAAQ,IAAI,kBAAkB,GAAG,CAAC,IAAI,eAAe,CAAC,IAAI,EAAE;AACrE,MAAM,KAAK,GAAG,YAAY,CAAC,KAAK,EAAE,WAAW,EAAE,kBAAkB,CAAC,CAAC;AACnE,KAAK;AACL,IAAI,MAAM,WAAW,GAAG,KAAK,CAAC,UAAU,CAAC,CAAC;AAC1C,IAAI,MAAM,CAAC,KAAK,GAAG,QAAQ,CAAC;AAC5B,IAAI,IAAI,WAAW,EAAE;AACrB,MAAM,OAAO,CAAC,KAAK,GAAG,IAAI,CAAC,KAAK,CAAC,IAAI,CAAC,GAAG,CAAC,KAAK,GAAG,WAAW,CAAC,CAAC,IAAI,CAAC,CAAC;AACrE,MAAM,SAAS,CAAC,KAAK,GAAG,iBAAiB,CAAC,KAAK,EAAE,WAAW,CAAC,CAAC;AAC9D,MAAM,KAAK,CAAC,KAAK,GAAG,KAAK,CAAC,MAAM,CAAC,GAAG,CAAC,GAAG,UAAU,CAAC;AACnD,KAAK,MAAM;AACX,MAAM,SAAS,CAAC,KAAK,GAAG,aAAa,CAAC,KAAK,EAAE,WAAW,EAAE,WAAW,CAAC,CAAC;AACvE,KAAK;AACL,IAAI,KAAK,CAAC,KAAK,GAAG,IAAI,CAAC;AACvB,IAAI,IAAI,QAAQ,IAAI,eAAe,CAAC,KAAK,EAAE;AAC3C,MAAM,eAAe,CAAC,kBAAkB,CAAC,eAAe,CAAC,KAAK,CAAC,YAAY,CAAC,CAAC;AAC7E,KAAK;AACL,GAAG,CAAC;AACJ,EAAE,SAAS,eAAe,GAAG;AAC7B,IAAI,IAAI,eAAe,IAAI,KAAK,CAAC,UAAU,CAAC,EAAE;AAC9C,MAAM,MAAM,KAAK,GAAG,eAAe,CAAC,KAAK,CAAC,KAAK,CAAC,SAAS,CAAC,CAAC,EAAE,GAAG,EAAE,KAAK,GAAG,KAAK,QAAQ,CAAC,GAAG,CAAC,CAAC;AAC7F,MAAM,eAAe,CAAC,aAAa,CAAC,KAAK,CAAC,CAAC;AAC3C,KAAK;AACL,GAAG;AACH,EAAE,SAAS,CAAC,MAAM;AAClB,IAAI,eAAe,CAAC,OAAO,CAAC;AAC5B,MAAM,KAAK;AACX,MAAM,MAAM,EAAE,QAAQ,CAAC;AACvB,QAAQ,KAAK;AACb,QAAQ,SAAS;AACjB,QAAQ,KAAK;AACb,QAAQ,MAAM;AACd,QAAQ,KAAK;AACb,QAAQ,OAAO;AACf,QAAQ,SAAS;AACjB,OAAO,CAAC;AACR,MAAM,GAAG,EAAE,QAAQ,CAAC,GAAG;AACvB,MAAM,aAAa;AACnB,KAAK,CAAC,CAAC;AACP,GAAG,CAAC,CAAC;AACL,EAAE,WAAW,CAAC,MAAM;AACpB,IAAI,eAAe,CAAC,UAAU,CAAC,QAAQ,CAAC,GAAG,CAAC,CAAC;AAC7C,GAAG,CAAC,CAAC;AACL,EAAE,OAAO;AACT,IAAI,eAAe;AACnB,IAAI,MAAM;AACV,IAAI,SAAS;AACb,IAAI,KAAK;AACT,IAAI,OAAO;AACX,IAAI,UAAU;AACd,IAAI,SAAS;AACb,IAAI,UAAU;AACd,IAAI,KAAK;AACT,IAAI,KAAK;AACT,IAAI,eAAe;AACnB,GAAG,CAAC;AACJ;;;;"}
|
