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9.3 KiB
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9.3 KiB
{"version":3,"file":"scrollbar2.mjs","sources":["../../../../../../packages/components/scrollbar/src/scrollbar.vue"],"sourcesContent":["<template>\n <div ref=\"scrollbarRef\" :class=\"ns.b()\">\n <div\n ref=\"wrapRef\"\n :class=\"wrapKls\"\n :style=\"wrapStyle\"\n :tabindex=\"tabindex\"\n @scroll=\"handleScroll\"\n >\n <component\n :is=\"tag\"\n :id=\"id\"\n ref=\"resizeRef\"\n :class=\"resizeKls\"\n :style=\"viewStyle\"\n :role=\"role\"\n :aria-label=\"ariaLabel\"\n :aria-orientation=\"ariaOrientation\"\n >\n <slot />\n </component>\n </div>\n <template v-if=\"!native\">\n <bar ref=\"barRef\" :always=\"always\" :min-size=\"minSize\" />\n </template>\n </div>\n</template>\n<script lang=\"ts\" setup>\nimport {\n computed,\n nextTick,\n onActivated,\n onMounted,\n onUpdated,\n provide,\n reactive,\n ref,\n watch,\n} from 'vue'\nimport { useEventListener, useResizeObserver } from '@vueuse/core'\nimport { addUnit, debugWarn, isNumber, isObject } from '@element-plus/utils'\nimport { useNamespace } from '@element-plus/hooks'\nimport Bar from './bar.vue'\nimport { scrollbarContextKey } from './constants'\nimport { scrollbarEmits, scrollbarProps } from './scrollbar'\nimport type { BarInstance } from './bar'\nimport type { CSSProperties, StyleValue } from 'vue'\n\nconst COMPONENT_NAME = 'ElScrollbar'\n\ndefineOptions({\n name: COMPONENT_NAME,\n})\n\nconst props = defineProps(scrollbarProps)\nconst emit = defineEmits(scrollbarEmits)\n\nconst ns = useNamespace('scrollbar')\n\nlet stopResizeObserver: (() => void) | undefined = undefined\nlet stopResizeListener: (() => void) | undefined = undefined\nlet wrapScrollTop = 0\nlet wrapScrollLeft = 0\n\nconst scrollbarRef = ref<HTMLDivElement>()\nconst wrapRef = ref<HTMLDivElement>()\nconst resizeRef = ref<HTMLElement>()\nconst barRef = ref<BarInstance>()\n\nconst wrapStyle = computed<StyleValue>(() => {\n const style: CSSProperties = {}\n if (props.height) style.height = addUnit(props.height)\n if (props.maxHeight) style.maxHeight = addUnit(props.maxHeight)\n return [props.wrapStyle, style]\n})\n\nconst wrapKls = computed(() => {\n return [\n props.wrapClass,\n ns.e('wrap'),\n { [ns.em('wrap', 'hidden-default')]: !props.native },\n ]\n})\n\nconst resizeKls = computed(() => {\n return [ns.e('view'), props.viewClass]\n})\n\nconst handleScroll = () => {\n if (wrapRef.value) {\n barRef.value?.handleScroll(wrapRef.value)\n wrapScrollTop = wrapRef.value.scrollTop\n wrapScrollLeft = wrapRef.value.scrollLeft\n\n emit('scroll', {\n scrollTop: wrapRef.value.scrollTop,\n scrollLeft: wrapRef.value.scrollLeft,\n })\n }\n}\n\n// TODO: refactor method overrides, due to script setup dts\n// @ts-nocheck\nfunction scrollTo(xCord: number, yCord?: number): void\nfunction scrollTo(options: ScrollToOptions): void\nfunction scrollTo(arg1: unknown, arg2?: number) {\n if (isObject(arg1)) {\n wrapRef.value!.scrollTo(arg1)\n } else if (isNumber(arg1) && isNumber(arg2)) {\n wrapRef.value!.scrollTo(arg1, arg2)\n }\n}\n\nconst setScrollTop = (value: number) => {\n if (!isNumber(value)) {\n debugWarn(COMPONENT_NAME, 'value must be a number')\n return\n }\n wrapRef.value!.scrollTop = value\n}\n\nconst setScrollLeft = (value: number) => {\n if (!isNumber(value)) {\n debugWarn(COMPONENT_NAME, 'value must be a number')\n return\n }\n wrapRef.value!.scrollLeft = value\n}\n\nconst update = () => {\n barRef.value?.update()\n}\n\nwatch(\n () => props.noresize,\n (noresize) => {\n if (noresize) {\n stopResizeObserver?.()\n stopResizeListener?.()\n } else {\n ;({ stop: stopResizeObserver } = useResizeObserver(resizeRef, update))\n stopResizeListener = useEventListener('resize', update)\n }\n },\n { immediate: true }\n)\n\nwatch(\n () => [props.maxHeight, props.height],\n () => {\n if (!props.native)\n nextTick(() => {\n update()\n if (wrapRef.value) {\n barRef.value?.handleScroll(wrapRef.value)\n }\n })\n }\n)\n\nprovide(\n scrollbarContextKey,\n reactive({\n scrollbarElement: scrollbarRef,\n wrapElement: wrapRef,\n })\n)\n\nonActivated(() => {\n if (wrapRef.value) {\n wrapRef.value.scrollTop = wrapScrollTop\n wrapRef.value.scrollLeft = wrapScrollLeft\n }\n})\n\nonMounted(() => {\n if (!props.native)\n nextTick(() => {\n update()\n })\n})\nonUpdated(() => update())\n\ndefineExpose({\n /** @description scrollbar wrap ref */\n wrapRef,\n /** @description update scrollbar state manually */\n update,\n /** @description scrolls to a particular set of coordinates */\n scrollTo,\n /** @description set distance to scroll top */\n setScrollTop,\n /** @description set distance to scroll left */\n setScrollLeft,\n /** @description handle scroll event */\n 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