{"version":3,"file":"scrollbar2.js","sources":["../../../../../../packages/components/scrollbar/src/scrollbar.vue"],"sourcesContent":["<template>\n  <div ref=\"scrollbarRef\" :class=\"ns.b()\">\n    <div ref=\"wrapRef\" :class=\"wrapKls\" :style=\"style\" @scroll=\"handleScroll\">\n      <component\n        :is=\"tag\"\n        ref=\"resizeRef\"\n        :class=\"resizeKls\"\n        :style=\"viewStyle\"\n      >\n        <slot />\n      </component>\n    </div>\n    <template v-if=\"!native\">\n      <bar\n        ref=\"barRef\"\n        :height=\"sizeHeight\"\n        :width=\"sizeWidth\"\n        :always=\"always\"\n        :ratio-x=\"ratioX\"\n        :ratio-y=\"ratioY\"\n      />\n    </template>\n  </div>\n</template>\n<script lang=\"ts\" setup>\nimport {\n  computed,\n  nextTick,\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 { GAP } from './util'\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\n\nconst scrollbarRef = ref<HTMLDivElement>()\nconst wrapRef = ref<HTMLDivElement>()\nconst resizeRef = ref<HTMLElement>()\n\nconst sizeWidth = ref('0')\nconst sizeHeight = ref('0')\nconst barRef = ref<BarInstance>()\nconst ratioY = ref(1)\nconst ratioX = ref(1)\n\nconst style = 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\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  if (!wrapRef.value) return\n  const offsetHeight = wrapRef.value.offsetHeight - GAP\n  const offsetWidth = wrapRef.value.offsetWidth - GAP\n\n  const originalHeight = offsetHeight ** 2 / wrapRef.value.scrollHeight\n  const originalWidth = offsetWidth ** 2 / wrapRef.value.scrollWidth\n  const height = Math.max(originalHeight, props.minSize)\n  const width = Math.max(originalWidth, props.minSize)\n\n  ratioY.value =\n    originalHeight /\n    (offsetHeight - originalHeight) /\n    (height / (offsetHeight - height))\n  ratioX.value =\n    originalWidth /\n    (offsetWidth - originalWidth) /\n    (width / (offsetWidth - width))\n\n  sizeHeight.value = height + GAP < offsetHeight ? `${height}px` : ''\n  sizeWidth.value = width + GAP < offsetWidth ? `${width}px` : ''\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\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  handleScroll,\n})\n</script>\n"],"names":["useNamespace","ref","style","computed","addUnit","isObject","isNumber","debugWarn","GAP","watch","useResizeObserver","useEventListener","nextTick","provide","scrollbarContextKey","reactive","onMounted","onUpdated"],"mappings":";;;;;;;;;;;;;;;;;;;;uCA+Cc,CAAA;AAAA,EACZ,IAAM,EAAA,cAAA;AACR;;;;;;;AAKA,IAAM,MAAA,EAAA,GAAKA,mBAAa,WAAW,CAAA,CAAA;AAEnC,IAAA,IAAI,kBAA+C,GAAA,KAAA,CAAA,CAAA;AACnD,IAAA,IAAI,kBAA+C,GAAA,KAAA,CAAA,CAAA;AAEnD,IAAA,MAAM,eAAeC,OAAoB,EAAA,CAAA;AACzC,IAAA,MAAM,UAAUA,OAAoB,EAAA,CAAA;AACpC,IAAA,MAAM,YAAYA,OAAiB,EAAA,CAAA;AAEnC,IAAM,MAAA,SAAA,GAAYA,QAAI,GAAG,CAAA,CAAA;AACzB,IAAM,MAAA,UAAA,GAAaA,QAAI,GAAG,CAAA,CAAA;AAC1B,IAAA,MAAM,SAASA,OAAiB,EAAA,CAAA;AAChC,IAAM,MAAA,MAAA,GAASA,QAAI,CAAC,CAAA,CAAA;AACpB,IAAM,MAAA,MAAA,GAASA,QAAI,CAAC,CAAA,CAAA;AAEpB,IAAM,MAAAC,OAAA,GAAQC,aAAqB,MAAM;AACvC,MAAA,MAAM,SAAuB,EAAC,CAAA;AAC9B,MAAA,IAAI,KAAM,CAAA,MAAA;AAAQ,QAAM,MAAA,CAAA,MAAA,GAASC,aAAQ,CAAA,KAAA,CAAM,MAAM,CAAA,CAAA;AACrD,MAAA,IAAI,KAAM,CAAA,SAAA;AAAW,QAAM,MAAA,CAAA,SAAA,GAAYA,aAAQ,CAAA,KAAA,CAAM,SAAS,CAAA,CAAA;AAC9D,MAAO,OAAA,CAAC,KAAM,CAAA,SAAA,EAAW,MAAK,CAAA,CAAA;AAAA,KAC/B,CAAA,CAAA;AAED,IAAM,MAAA,OAAA,GAAUD,aAAS,MAAM;AAC7B,MAAO,OAAA;AAAA,QACL,KAAM,CAAA,SAAA;AAAA,QACN,EAAA,CAAG,EAAE,MAAM,CAAA;AAAA,QACX,EAAE,CAAC,EAAG,CAAA,EAAA,CAAG,QAAQ,gBAAgB,CAAA,GAAI,CAAC,KAAA,CAAM,MAAO,EAAA;AAAA,OACrD,CAAA;AAAA,KACD,CAAA,CAAA;AAED,IAAM,MAAA,SAAA,GAAYA,aAAS,MAAM;AAC/B,MAAA,OAAO,CAAC,EAAG,CAAA,CAAA,CAAE,MAAM,CAAA,EAAG,MAAM,SAAS,CAAA,CAAA;AAAA,KACtC,CAAA,CAAA;AAED,IAAA,MAAM,eAAe,MAAM;AACzB,MAAA,IAAI;AACF,MAAO,IAAA,OAAA,CAAA,KAAoB,EAAA;AAE3B,QAAA,CAAA,EAAA,GAAe,MAAA,CAAA,KAAA,KAAA,IAAA,GAAA,KAAA,CAAA,GAAA,EAAA,CAAA,YAAA,CAAA,OAAA,CAAA,KAAA,CAAA,CAAA;AAAA,QACb,IAAA,CAAA,QAAW;AAAc,UACzB,SAAA,EAAA,aAA0B,CAAA,SAAA;AAAA,UAC3B,UAAA,EAAA,OAAA,CAAA,KAAA,CAAA,UAAA;AAAA,SACH,CAAA,CAAA;AAAA,OACF;AAMA,KAAA,CAAA;AACE,IAAI,SAAA,aAAgB,EAAA,IAAA,EAAA;AAClB,MAAQ,IAAAE,eAAA,CAAA;AAAoB,qBACV,CAAA,QAAI,CAAK,IAAA,CAAA,CAAA;AAC3B,OAAQ,MAAA,IAAAC,cAAgB,CAAA,IAAA,CAAA,IAAAA,cAAU,CAAA,IAAA,CAAA,EAAA;AAAA,QACpC,OAAA,CAAA,KAAA,CAAA,QAAA,CAAA,IAAA,EAAA,IAAA,CAAA,CAAA;AAAA,OACF;AAEA,KAAM;AACJ,IAAI,MAAA,YAAU,GAAK,CAAG,KAAA,KAAA;AACpB,MAAA,IAAA,CAAAA;AACA,QAAAC,eAAA,CAAA,cAAA,EAAA,wBAAA,CAAA,CAAA;AAAA,QACF,OAAA;AACA,OAAA;AAA2B,MAC7B,OAAA,CAAA,KAAA,CAAA,SAAA,GAAA,KAAA,CAAA;AAEA,KAAM,CAAA;AACJ,IAAI,MAAA,aAAU,GAAQ,CAAA,KAAA,KAAA;AACpB,MAAA,IAAA,CAAAD;AACA,QAAAC,eAAA,CAAA,cAAA,EAAA,wBAAA,CAAA,CAAA;AAAA,QACF,OAAA;AACA,OAAA;AAA4B,MAC9B,OAAA,CAAA,KAAA,CAAA,UAAA,GAAA,KAAA,CAAA;AAEA,KAAA,CAAA;AACE,IAAA,MAAI,MAAS,GAAA,MAAA;AAAO,MAAA,IAAA,CAAA,OAAA,CAAA,KAAA;AACpB,QAAM,OAAA;AACN,MAAM,MAAA,YAAA,GAAsB,OAAA,CAAA,KAAM,CAAc,YAAA,GAAAC,QAAA,CAAA;AAEhD,MAAA,MAAM,WAAiB,GAAA,OAAA,CAAA,KAAA,CAAA,WAAoB,GAAAA,QAAQ,CAAM;AACzD,MAAA,MAAM,cAAgB,GAAA,YAAA,IAAmB,CAAA,GAAA,OAAc,CAAA,KAAA,CAAA,YAAA,CAAA;AACvD,MAAA,MAAM,aAAS,GAAS,WAAA,IAAA,CAAA,UAA6B,CAAA,KAAA,CAAA,WAAA,CAAA;AACrD,MAAA,MAAM,MAAQ,GAAA,IAAK,CAAI,GAAA,CAAA,cAAe,OAAa,CAAA,OAAA,CAAA,CAAA;AAEnD,MAAA,MAAA,KACE,GAAA,IAAA,CAAA,GAAA,CAAA,aACgB,EAAA,KAAA,CAAA,OAAA,CAAA,CAAA;AAElB,MAAA,MAAA,CAAO,KACL,GAAA,cAAA,IACe,YAAA,GAAA,cAAA,CACd,UAAuB,IAAA,YAAA,GAAA,MAAA,CAAA,CAAA,CAAA;AAE1B,MAAA,MAAA,CAAA,KAAmB,GAAA,aAAS,IAAM,WAAA,GAAA,aAA+B,CAAA,IAAA,KAAA,IAAA,WAAA,GAAA,KAAA,CAAA,CAAA,CAAA;AACjE,MAAA,UAAU,CAAQ,KAAA,GAAA,MAAA,GAAcA,QAAA,GAAA,YAAc,GAAG,CAAY,EAAA,MAAA,CAAA,EAAA,CAAA,GAAA,EAAA,CAAA;AAAA,MAC/D,SAAA,CAAA,KAAA,GAAA,KAAA,GAAAA,QAAA,GAAA,WAAA,GAAA,CAAA,EAAA,KAAA,CAAA,EAAA,CAAA,GAAA,EAAA,CAAA;AAEA,KAAA,CAAA;AAGI,IAAAC,SAAA,CAAI,MAAU,KAAA,CAAA,QAAA,EAAA,CAAA,QAAA,KAAA;AACZ,MAAqB,IAAA,QAAA,EAAA;AACrB,QAAqB,kBAAA,IAAA,IAAA,GAAA,KAAA,CAAA,GAAA,kBAAA,EAAA,CAAA;AAAA,QAChB,kBAAA,IAAA,IAAA,GAAA,KAAA,CAAA,GAAA,kBAAA,EAAA,CAAA;AACL,OAAA,MAAA;AAAC,QAAC;AACF,QAAqB,CAAA,EAAA,IAAA,EAAA,kBAAA,EAAA,GAAAC,sBAAiC,CAAA,SAAA,EAAA,MAAA,CAAA,EAAA;AAAA,QACxD,kBAAA,GAAAC,qBAAA,CAAA,QAAA,EAAA,MAAA,CAAA,CAAA;AAAA,OAEF;AAGF,KAAA,EAAA,EAAA,SACS,EAAA;AAEL,IAAAF,SAAA,CAAI,MAAO,CAAA,KAAA,CAAA,SAAA,EAAA,KAAA,CAAA,MAAA,CAAA,EAAA,MAAA;AACT,MAAA,IAAA,CAAA,KAAA,CAAS,MAAM;AACb,QAAOG,YAAA,CAAA,MAAA;AACP,UAAA,IAAI;AACF,UAAO,MAAA,EAAA,CAAA;AAAiC,UAC1C,IAAA,OAAA,CAAA,KAAA,EAAA;AAAA,YACD,CAAA,EAAA,GAAA,MAAA,CAAA,KAAA,KAAA,IAAA,GAAA,KAAA,CAAA,GAAA,EAAA,CAAA,YAAA,CAAA,OAAA,CAAA,KAAA,CAAA,CAAA;AAAA,WAEP;AAEA,SAAA,CAAA,CAAA;AAEW,KAAA,CACP,CAAkB;AAAA,IAAAC,WACL,CAAAC,6BAAA,EAAAC,YAAA,CAAA;AAAA,MAEjB,gBAAA,EAAA,YAAA;AAEA,MAAA,WAAgB,EAAA,OAAA;AACd,KAAA,CAAA,CAAA,CAAA;AACE,IAAAC,aAAA,CAAA,MAAe;AACb,MAAO,IAAA,CAAA,KAAA,CAAA,MAAA;AAAA,QACTJ,YAAC,CAAA,MAAA;AAAA,UACJ,MAAA,EAAA,CAAA;AACD,SAAU,CAAA,CAAA;AAEV,KAAa,CAAA,CAAA;AAAA,IAEXK,aAAA,CAAA,MAAA,MAAA,EAAA,CAAA,CAAA;AAAA,IAEA,MAAA,CAAA;AAAA,MAEA,OAAA;AAAA,MAEA,MAAA;AAAA,MAEA,QAAA;AAAA,MAEA,YAAA;AAAA,MACD,aAAA;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;"}