{"version":3,"file":"cascader2.mjs","names":[],"sources":["../../../../../../packages/components/cascader/src/cascader.vue"],"sourcesContent":["<template>\n  <el-tooltip\n    ref=\"tooltipRef\"\n    :visible=\"popperVisible\"\n    :teleported=\"teleported\"\n    :popper-class=\"[nsCascader.e('dropdown'), popperClass!]\"\n    :popper-style=\"popperStyle\"\n    :popper-options=\"popperOptions\"\n    :fallback-placements=\"fallbackPlacements\"\n    :stop-popper-mouse-event=\"false\"\n    :gpu-acceleration=\"false\"\n    :placement=\"placement\"\n    :transition=\"`${nsCascader.namespace.value}-zoom-in-top`\"\n    :effect=\"effect\"\n    pure\n    :persistent=\"persistent\"\n    @hide=\"hideSuggestionPanel\"\n  >\n    <template #default>\n      <div\n        ref=\"wrapperRef\"\n        v-clickoutside:[contentRef]=\"handleClickOutside\"\n        :class=\"cascaderKls\"\n        :style=\"cascaderStyle\"\n        @click=\"() => togglePopperVisible(readonly ? undefined : true)\"\n        @keydown=\"handleKeyDown\"\n        @mouseenter=\"inputHover = true\"\n        @mouseleave=\"inputHover = false\"\n      >\n        <el-input\n          ref=\"inputRef\"\n          v-model=\"inputValue\"\n          :placeholder=\"currentPlaceholder\"\n          :readonly=\"readonly\"\n          :disabled=\"isDisabled\"\n          :validate-event=\"false\"\n          :size=\"realSize\"\n          :class=\"inputClass\"\n          :tabindex=\"multiple && filterable && !isDisabled ? -1 : undefined\"\n          @compositionstart=\"handleComposition\"\n          @compositionupdate=\"handleComposition\"\n          @compositionend=\"handleComposition\"\n          @input=\"handleInput\"\n        >\n          <template v-if=\"$slots.prefix\" #prefix>\n            <slot name=\"prefix\" />\n          </template>\n          <template #suffix>\n            <el-icon\n              v-if=\"clearBtnVisible\"\n              key=\"clear\"\n              :class=\"[nsInput.e('icon'), 'icon-circle-close']\"\n              @click.stop=\"handleClear\"\n            >\n              <component :is=\"clearIcon\" />\n            </el-icon>\n            <el-icon\n              v-else\n              key=\"arrow-down\"\n              :class=\"cascaderIconKls\"\n              @click.stop=\"togglePopperVisible()\"\n            >\n              <arrow-down />\n            </el-icon>\n          </template>\n        </el-input>\n\n        <div\n          v-if=\"multiple\"\n          ref=\"tagWrapper\"\n          :class=\"[\n            nsCascader.e('tags'),\n            nsCascader.is('validate', Boolean(validateState)),\n          ]\"\n        >\n          <slot name=\"tag\" :data=\"tags\" :delete-tag=\"deleteTag\">\n            <el-tag\n              v-for=\"tag in showTagList\"\n              :key=\"tag.key\"\n              :type=\"tagType\"\n              :size=\"tagSize\"\n              :effect=\"tagEffect\"\n              :hit=\"tag.hitState\"\n              :closable=\"tag.closable\"\n              disable-transitions\n              @close=\"deleteTag(tag)\"\n            >\n              <span>{{ tag.text }}</span>\n            </el-tag>\n          </slot>\n          <el-tooltip\n            v-if=\"collapseTags && tags.length > maxCollapseTags\"\n            ref=\"tagTooltipRef\"\n            :disabled=\"popperVisible || !collapseTagsTooltip\"\n            :fallback-placements=\"['bottom', 'top', 'right', 'left']\"\n            placement=\"bottom\"\n            :popper-class=\"popperClass\"\n            :popper-style=\"popperStyle\"\n            :effect=\"effect\"\n            :persistent=\"persistent\"\n          >\n            <template #default>\n              <el-tag\n                :closable=\"false\"\n                :size=\"tagSize\"\n                :type=\"tagType\"\n                :effect=\"tagEffect\"\n                disable-transitions\n              >\n                <span :class=\"nsCascader.e('tags-text')\">\n                  + {{ tags.length - maxCollapseTags }}\n                </span>\n              </el-tag>\n            </template>\n            <template #content>\n              <el-scrollbar :max-height=\"maxCollapseTagsTooltipHeight\">\n                <div :class=\"nsCascader.e('collapse-tags')\">\n                  <div\n                    v-for=\"(tag, idx) in collapseTagList\"\n                    :key=\"idx\"\n                    :class=\"nsCascader.e('collapse-tag')\"\n                  >\n                    <el-tag\n                      :key=\"tag.key\"\n                      class=\"in-tooltip\"\n                      :type=\"tagType\"\n                      :size=\"tagSize\"\n                      :effect=\"tagEffect\"\n                      :hit=\"tag.hitState\"\n                      :closable=\"tag.closable\"\n                      disable-transitions\n                      @close=\"deleteTag(tag)\"\n                    >\n                      <span>{{ tag.text }}</span>\n                    </el-tag>\n                  </div>\n                </div>\n              </el-scrollbar>\n            </template>\n          </el-tooltip>\n          <input\n            v-if=\"filterable && !isDisabled\"\n            v-model=\"searchInputValue\"\n            type=\"text\"\n            :class=\"nsCascader.e('search-input')\"\n            :placeholder=\"presentText ? '' : inputPlaceholder\"\n            @input=\"(e) => handleInput(searchInputValue, e as InputEvent)\"\n            @click.stop=\"togglePopperVisible(true)\"\n            @keydown.delete=\"handleDelete\"\n            @compositionstart=\"handleComposition\"\n            @compositionupdate=\"handleComposition\"\n            @compositionend=\"handleComposition\"\n          />\n        </div>\n      </div>\n    </template>\n\n    <template #content>\n      <div v-if=\"$slots.header\" :class=\"nsCascader.e('header')\" @click.stop>\n        <slot name=\"header\" />\n      </div>\n      <el-cascader-panel\n        v-show=\"!filtering\"\n        ref=\"cascaderPanelRef\"\n        v-model=\"checkedValue\"\n        :options=\"options\"\n        :props=\"props.props\"\n        :border=\"false\"\n        :render-label=\"$slots.default\"\n        :virtual-scroll=\"virtualScroll\"\n        :item-size=\"itemSize\"\n        :height=\"height\"\n        @expand-change=\"handleExpandChange\"\n        @close=\"$nextTick(() => togglePopperVisible(false))\"\n      >\n        <template #empty>\n          <slot name=\"empty\" />\n        </template>\n      </el-cascader-panel>\n      <template v-if=\"filterable\">\n        <el-scrollbar\n          v-if=\"!virtualScroll\"\n          v-show=\"filtering\"\n          :ref=\"(ref) => (suggestionPanel = (ref as ScrollbarInstance)?.$el)\"\n          tag=\"ul\"\n          :class=\"nsCascader.e('suggestion-panel')\"\n          :wrap-class=\"nsCascader.e('suggestion-wrap')\"\n          :view-class=\"nsCascader.e('suggestion-list')\"\n          @keydown=\"handleSuggestionKeyDown\"\n        >\n          <template v-if=\"suggestions.length\">\n            <li\n              v-for=\"item in suggestions\"\n              :key=\"item.uid\"\n              :class=\"[\n                nsCascader.e('suggestion-item'),\n                nsCascader.is('checked', item.checked),\n              ]\"\n              :tabindex=\"-1\"\n              @click=\"handleSuggestionClick(item)\"\n            >\n              <slot name=\"suggestion-item\" :item=\"item\">\n                <span>{{ item.text }}</span>\n                <el-icon v-if=\"item.checked\">\n                  <check />\n                </el-icon>\n              </slot>\n            </li>\n          </template>\n          <slot v-else name=\"empty\">\n            <li :class=\"nsCascader.e('empty-text')\">\n              {{ t('el.cascader.noMatch') }}\n            </li>\n          </slot>\n        </el-scrollbar>\n        <div\n          v-else\n          v-show=\"filtering\"\n          ref=\"suggestionPanel\"\n          :class=\"nsCascader.e('suggestion-panel')\"\n          @keydown=\"handleSuggestionKeyDown\"\n        >\n          <el-fixed-size-list\n            v-show=\"suggestions.length\"\n            ref=\"suggestionVirtualListRef\"\n            :height=\"clampedSuggestionListHeight\"\n            :item-size=\"itemSize\"\n            :data=\"suggestions\"\n            :total=\"suggestions.length\"\n            :class-name=\"nsCascader.e('suggestion-list')\"\n            inner-element=\"ul\"\n            :inner-width=\"suggestionListWidth\"\n          >\n            <template #default=\"{ data, index, style }\">\n              <li\n                :id=\"`suggestion-${data[index].uid}`\"\n                :key=\"data[index].uid\"\n                :data-suggestion-index=\"index\"\n                :class=\"[\n                  nsCascader.e('suggestion-item'),\n                  nsCascader.is('checked', data[index].checked),\n                ]\"\n                :tabindex=\"-1\"\n                :style=\"style\"\n                @click=\"handleSuggestionClick(data[index])\"\n              >\n                <slot name=\"suggestion-item\" :item=\"data[index]\">\n                  <span>{{ data[index].text }}</span>\n                  <el-icon v-if=\"data[index].checked\">\n                    <check />\n                  </el-icon>\n                </slot>\n              </li>\n            </template>\n          </el-fixed-size-list>\n          <slot v-if=\"!suggestions.length\" name=\"empty\">\n            <ul :class=\"nsCascader.e('suggestion-list')\">\n              <li :class=\"nsCascader.e('empty-text')\">\n                {{ t('el.cascader.noMatch') }}\n              </li>\n            </ul>\n          </slot>\n        </div>\n      </template>\n      <div v-if=\"$slots.footer\" :class=\"nsCascader.e('footer')\" @click.stop>\n        <slot name=\"footer\" />\n      </div>\n    </template>\n  </el-tooltip>\n</template>\n\n<script lang=\"ts\" setup>\nimport {\n  computed,\n  markRaw,\n  nextTick,\n  onMounted,\n  ref,\n  useAttrs,\n  useSlots,\n  watch,\n} from 'vue'\nimport { clamp, cloneDeep } from 'lodash-unified'\nimport { useCssVar, useDebounceFn, useResizeObserver } from '@vueuse/core'\nimport {\n  NOOP,\n  focusNode,\n  getEventCode,\n  getSibling,\n  isClient,\n  isNumber,\n  isPromise,\n} from '@element-plus/utils'\nimport ElCascaderPanel, {\n  CASCADER_PANEL_HEIGHT,\n  CASCADER_PANEL_ITEM_SIZE,\n} from '@element-plus/components/cascader-panel'\nimport ElInput from '@element-plus/components/input'\nimport ElTooltip from '@element-plus/components/tooltip'\nimport ElScrollbar from '@element-plus/components/scrollbar'\nimport { FixedSizeList as ElFixedSizeList } from '@element-plus/components/virtual-list'\nimport ElTag from '@element-plus/components/tag'\nimport ElIcon from '@element-plus/components/icon'\nimport {\n  useFormDisabled,\n  useFormItem,\n  useFormSize,\n} from '@element-plus/components/form'\nimport { ClickOutside as vClickoutside } from '@element-plus/directives'\nimport {\n  useComposition,\n  useEmptyValues,\n  useFocusController,\n  useLocale,\n  useNamespace,\n} from '@element-plus/hooks'\nimport {\n  CHANGE_EVENT,\n  EVENT_CODE,\n  UPDATE_MODEL_EVENT,\n} from '@element-plus/constants'\nimport { ArrowDown, Check, CircleClose } from '@element-plus/icons-vue'\nimport { cascaderEmits } from './cascader'\n\nimport type { Options } from '@element-plus/components/popper'\nimport type { ComputedRef, StyleValue } from 'vue'\nimport type { TooltipInstance } from '@element-plus/components/tooltip'\nimport type { InputInstance } from '@element-plus/components/input'\nimport type { ScrollbarInstance } from '@element-plus/components/scrollbar'\nimport type { FixedSizeListInstance } from '@element-plus/components/virtual-list'\nimport type {\n  CascaderNode,\n  CascaderPanelInstance,\n  CascaderValue,\n  Tag,\n} from '@element-plus/components/cascader-panel'\nimport type { CascaderComponentProps } from './cascader'\n\nconst SUGGESTION_ITEM_EXTRA_WIDTH = 34 // span margin-right (10px) + check icon width (24px)\n\nconst popperOptions: Partial<Options> = {\n  modifiers: [\n    {\n      name: 'arrowPosition',\n      enabled: true,\n      phase: 'main',\n      fn: ({ state }) => {\n        const { modifiersData, placement } = state\n        if (['right', 'left', 'bottom', 'top'].includes(placement)) return\n        if (modifiersData.arrow) {\n          modifiersData.arrow.x = 35\n        }\n      },\n      requires: ['arrow'],\n    },\n  ],\n}\n\ndefineOptions({\n  name: 'ElCascader',\n})\n\nconst props = withDefaults(defineProps<CascaderComponentProps>(), {\n  options: () => [],\n  props: () => ({}),\n  disabled: undefined,\n  clearIcon: markRaw(CircleClose),\n  filterMethod: (node, keyword) => node.text.includes(keyword),\n  separator: ' / ',\n  showAllLevels: true,\n  maxCollapseTags: 1,\n  debounce: 300,\n  beforeFilter: () => true,\n  placement: 'bottom-start',\n  fallbackPlacements: () => [\n    'bottom-start',\n    'bottom',\n    'top-start',\n    'top',\n    'right',\n    'left',\n  ],\n  teleported: true,\n  effect: 'light',\n  tagType: 'info',\n  tagEffect: 'light',\n  validateEvent: true,\n  persistent: true,\n  showCheckedStrategy: 'child',\n  showPrefix: true,\n  popperStyle: undefined,\n  valueOnClear: undefined,\n  itemSize: CASCADER_PANEL_ITEM_SIZE,\n  height: CASCADER_PANEL_HEIGHT,\n})\nconst emit = defineEmits(cascaderEmits)\nconst attrs = useAttrs()\nconst slots = useSlots()\n\nlet inputInitialHeight = 0\nlet pressDeleteCount = 0\n\nconst nsCascader = useNamespace('cascader')\nconst nsInput = useNamespace('input')\nconst sizeMapPadding = {\n  small: 7,\n  default: 11,\n  large: 15,\n}\n\nconst { t } = useLocale()\nconst { formItem } = useFormItem()\nconst isDisabled = useFormDisabled()\nconst { valueOnClear } = useEmptyValues(props)\nconst { isComposing, handleComposition } = useComposition({\n  afterComposition(event) {\n    const text = (event.target as HTMLInputElement)?.value\n    handleInput(text)\n  },\n})\n\nconst tooltipRef = ref<TooltipInstance>()\nconst tagTooltipRef = ref<TooltipInstance>()\nconst inputRef = ref<InputInstance>()\nconst tagWrapper = ref<HTMLDivElement>()\nconst cascaderPanelRef = ref<CascaderPanelInstance>()\nconst suggestionPanel = ref<HTMLElement>()\nconst suggestionVirtualListRef = ref<FixedSizeListInstance>()\nconst popperVisible = ref(false)\nconst inputHover = ref(false)\nconst filtering = ref(false)\nconst inputValue = ref('')\nconst searchInputValue = ref('')\nconst tags = ref<Tag[]>([])\nconst suggestions = ref<CascaderNode[]>([])\nconst suggestionListWidth = ref<string | number>('100%')\nconst hasCustomSuggestionItemSlot = computed(() => !!slots['suggestion-item'])\nconst clampedSuggestionListHeight = computed(() =>\n  clamp(suggestions.value.length * props.itemSize, props.itemSize, props.height)\n)\n\nconst showTagList = computed(() => {\n  if (!props.props.multiple) {\n    return []\n  }\n  return props.collapseTags\n    ? tags.value.slice(0, props.maxCollapseTags)\n    : tags.value\n})\n\nconst collapseTagList = computed(() => {\n  if (!props.props.multiple) {\n    return []\n  }\n  return props.collapseTags ? tags.value.slice(props.maxCollapseTags) : []\n})\n\nconst cascaderStyle = computed(() => {\n  return attrs.style as StyleValue\n})\n\nconst inputPlaceholder = computed(\n  () => props.placeholder ?? t('el.cascader.placeholder')\n)\nconst currentPlaceholder = computed(() =>\n  searchInputValue.value || tags.value.length > 0 || isComposing.value\n    ? ''\n    : inputPlaceholder.value\n)\nconst realSize = useFormSize()\nconst tagSize = computed(() =>\n  realSize.value === 'small' ? 'small' : 'default'\n)\nconst multiple = computed(() => !!props.props.multiple)\nconst readonly = computed(() => !props.filterable || multiple.value)\nconst searchKeyword = computed(() =>\n  multiple.value ? searchInputValue.value : inputValue.value\n)\nconst checkedNodes: ComputedRef<CascaderNode[]> = computed(\n  () => cascaderPanelRef.value?.checkedNodes || []\n)\n\nconst { wrapperRef, isFocused, handleBlur } = useFocusController(inputRef, {\n  disabled: isDisabled,\n  beforeBlur(event) {\n    return (\n      tooltipRef.value?.isFocusInsideContent(event) ||\n      tagTooltipRef.value?.isFocusInsideContent(event)\n    )\n  },\n  afterBlur() {\n    if (props.validateEvent) {\n      formItem?.validate?.('blur').catch(NOOP)\n    }\n  },\n})\n\nconst clearBtnVisible = computed(() => {\n  if (\n    !props.clearable ||\n    isDisabled.value ||\n    filtering.value ||\n    (!inputHover.value && !isFocused.value)\n  )\n    return false\n\n  return !!checkedNodes.value.length\n})\nconst presentText = computed(() => {\n  const { showAllLevels, separator } = props\n  const nodes = checkedNodes.value\n  return nodes.length\n    ? multiple.value\n      ? ''\n      : nodes[0].calcText(showAllLevels, separator)\n    : ''\n})\n\nconst validateState = computed(() => formItem?.validateState || '')\n\nconst checkedValue = computed<CascaderValue>({\n  get() {\n    return cloneDeep(props.modelValue) as CascaderValue\n  },\n  set(val) {\n    // https://github.com/element-plus/element-plus/issues/17647\n    const value = val ?? valueOnClear.value\n    emit(UPDATE_MODEL_EVENT, value)\n    emit(CHANGE_EVENT, value)\n    if (props.validateEvent) {\n      formItem?.validate('change').catch(NOOP)\n    }\n  },\n})\n\nconst cascaderKls = computed(() => {\n  return [\n    nsCascader.b(),\n    nsCascader.m(realSize.value),\n    nsCascader.is('disabled', isDisabled.value),\n    attrs.class,\n  ]\n})\n\nconst cascaderIconKls = computed(() => {\n  return [\n    nsInput.e('icon'),\n    'icon-arrow-down',\n    nsCascader.is('reverse', popperVisible.value),\n  ]\n})\n\nconst inputClass = computed(() => nsCascader.is('focus', isFocused.value))\n\nconst contentRef = computed(() => {\n  return tooltipRef.value?.popperRef?.contentRef\n})\n\nconst handleClickOutside = (event: Event) => {\n  if (isFocused.value) {\n    const _event = new FocusEvent('blur', event)\n    handleBlur(_event)\n  }\n  togglePopperVisible(false)\n}\n\nconst togglePopperVisible = (visible?: boolean) => {\n  if (isDisabled.value) return\n\n  visible = visible ?? !popperVisible.value\n\n  if (visible !== popperVisible.value) {\n    popperVisible.value = visible\n    inputRef.value?.input?.setAttribute('aria-expanded', `${visible}`)\n\n    if (visible) {\n      updatePopperPosition()\n      cascaderPanelRef.value &&\n        nextTick(cascaderPanelRef.value.scrollToExpandingNode)\n    } else if (props.filterable) {\n      syncPresentTextValue()\n    }\n\n    emit('visibleChange', visible)\n  }\n}\n\nconst updatePopperPosition = () => {\n  nextTick(() => {\n    tooltipRef.value?.updatePopper()\n  })\n}\nconst hideSuggestionPanel = () => {\n  filtering.value = false\n}\n\nconst genTag = (node: CascaderNode): Tag => {\n  const { showAllLevels, separator } = props\n  return {\n    node,\n    key: node.uid,\n    text: node.calcText(showAllLevels, separator),\n    hitState: false,\n    closable: !isDisabled.value && !node.isDisabled,\n  }\n}\n\nconst deleteTag = (tag: Tag) => {\n  const node = tag.node as CascaderNode\n  node.doCheck(false)\n  cascaderPanelRef.value?.calculateCheckedValue()\n  emit('removeTag', node.valueByOption)\n}\n\nconst getStrategyCheckedNodes = (): CascaderNode[] => {\n  switch (props.showCheckedStrategy) {\n    case 'child':\n      return checkedNodes.value\n    case 'parent': {\n      const clickedNodes = getCheckedNodes(false)\n      const clickedNodesValue = clickedNodes!.map((o) => o.value)\n      const parentNodes = clickedNodes!.filter(\n        (o) => !o.parent || !clickedNodesValue.includes(o.parent.value)\n      )\n      return parentNodes\n    }\n    default:\n      return []\n  }\n}\n\nconst calculatePresentTags = () => {\n  if (!multiple.value) return\n\n  const nodes = getStrategyCheckedNodes()\n\n  const allTags: Tag[] = []\n  nodes.forEach((node) => allTags.push(genTag(node)))\n  tags.value = allTags\n}\n\nconst calculateSuggestions = () => {\n  const { filterMethod, showAllLevels, separator } = props\n  const res = cascaderPanelRef.value\n    ?.getFlattedNodes(!props.props.checkStrictly)\n    ?.filter((node) => {\n      if (node.isDisabled) return false\n      node.calcText(showAllLevels, separator)\n      return filterMethod(node, searchKeyword.value)\n    })\n\n  if (multiple.value) {\n    tags.value.forEach((tag) => {\n      tag.hitState = false\n    })\n  }\n\n  filtering.value = true\n  suggestions.value = res!\n  nextTick(() => {\n    if (props.virtualScroll && suggestions.value.length > 0) {\n      suggestionVirtualListRef.value?.scrollToItem(0)\n    }\n    updateStyle()\n  })\n  updatePopperPosition()\n}\n\nconst getSuggestionPanelEl = (selector?: string): HTMLElement | undefined => {\n  const el = suggestionPanel.value\n  return selector ? (el?.querySelector(selector) ?? undefined) : el\n}\n\nconst focusFirstNode = () => {\n  let firstNode: HTMLElement | undefined\n\n  if (filtering.value && suggestionPanel.value) {\n    firstNode = getSuggestionPanelEl(`.${nsCascader.e('suggestion-item')}`)\n  } else {\n    firstNode = cascaderPanelRef.value?.$el.querySelector(\n      `.${nsCascader.b('node')}[tabindex=\"-1\"]`\n    )\n  }\n\n  if (firstNode) {\n    firstNode.focus()\n    if (\n      !filtering.value &&\n      firstNode.getAttribute('aria-haspopup') === 'true'\n    ) {\n      firstNode.click()\n    }\n  }\n}\n\nconst updateSuggestionPanelWidth = (inputWidth: number) => {\n  const suggestionPanelEl = getSuggestionPanelEl()\n  if (!suggestionPanelEl) return\n\n  const panelWidth = isNumber(props.fitInputWidth)\n    ? `${props.fitInputWidth}px`\n    : `${inputWidth}px`\n\n  const setPanelStyle = (el: HTMLElement) => {\n    if (props.fitInputWidth !== false) {\n      el.style.width = panelWidth\n      el.style.minWidth = ''\n    } else {\n      el.style.width = ''\n      el.style.minWidth = panelWidth\n    }\n  }\n\n  setPanelStyle(suggestionPanelEl)\n\n  if (props.virtualScroll) {\n    suggestionListWidth.value =\n      props.fitInputWidth !== false\n        ? panelWidth\n        : hasCustomSuggestionItemSlot.value\n          ? `${inputWidth}px`\n          : `${Math.max(inputWidth, calculateSuggestionMaxWidth())}px`\n    return\n  }\n\n  const suggestionList = getSuggestionPanelEl(\n    `.${nsCascader.e('suggestion-list')}`\n  )\n  if (suggestionList) {\n    setPanelStyle(suggestionList)\n  }\n}\n\nconst getTagWrapperLeft = () => {\n  if (!slots.prefix) return 0\n\n  const prefix = inputRef.value?.$el.querySelector(\n    `.${nsInput.e('prefix')}`\n  ) as HTMLElement | null\n  if (!prefix) return 0\n\n  const prefixWidth = prefix.getBoundingClientRect().width\n  if (prefixWidth <= 0) return 0\n  return prefixWidth + sizeMapPadding[realSize.value || 'default']\n}\n\nconst updateStyle = () => {\n  const inputInner = inputRef.value?.input\n  const inputWrapper = inputRef.value?.$el\n  if (!isClient || !inputInner || !inputWrapper) return\n\n  if (suggestionPanel.value) {\n    updateSuggestionPanelWidth(inputWrapper.getBoundingClientRect().width)\n  }\n\n  const tagWrapperEl = tagWrapper.value\n  if (tagWrapperEl) {\n    const height =\n      tags.value.length > 0\n        ? `${Math.max(tagWrapperEl.offsetHeight, inputInitialHeight) - 2}px`\n        : `${inputInitialHeight}px`\n    inputInner.style.height = height\n    tagWrapperEl.style.left = `${getTagWrapperLeft()}px`\n    updatePopperPosition()\n  }\n}\n\nconst calculateSuggestionMaxWidth = () => {\n  if (hasCustomSuggestionItemSlot.value) return 0\n  if (!suggestions.value.length) return 0\n\n  const canvas = document.createElement('canvas')\n  const ctx = canvas.getContext('2d')\n  if (!ctx) return 0\n\n  const renderedSuggestion = getSuggestionPanelEl(\n    `.${nsCascader.e('suggestion-item')}`\n  )\n  if (!renderedSuggestion || !isClient) return 0\n\n  const style = getComputedStyle(renderedSuggestion)\n  const padding =\n    Number.parseFloat(style.paddingLeft) + Number.parseFloat(style.paddingRight)\n  // Use bold font for all items to ensure width is sufficient\n  ctx.font = `bold ${style.fontSize} ${style.fontFamily}`\n\n  let maxWidth = 0\n  let hasChecked = false\n\n  for (const suggestion of suggestions.value) {\n    const text = suggestion.text || ''\n    const metrics = ctx.measureText(text)\n    maxWidth = Math.max(maxWidth, metrics.width)\n    if (suggestion.checked && !hasChecked) hasChecked = true\n  }\n\n  return maxWidth + padding + (hasChecked ? SUGGESTION_ITEM_EXTRA_WIDTH : 0)\n}\n\nconst getCheckedNodes = (leafOnly: boolean) => {\n  return cascaderPanelRef.value?.getCheckedNodes(leafOnly)\n}\n\nconst handleExpandChange = (value: CascaderValue) => {\n  updatePopperPosition()\n  emit('expandChange', value)\n}\n\nconst handleKeyDown = (e: KeyboardEvent) => {\n  if (isComposing.value) return\n  const code = getEventCode(e)\n\n  switch (code) {\n    case EVENT_CODE.enter:\n    case EVENT_CODE.numpadEnter:\n      togglePopperVisible()\n      break\n    case EVENT_CODE.down:\n      togglePopperVisible(true)\n      nextTick(focusFirstNode)\n      e.preventDefault()\n      break\n    case EVENT_CODE.esc:\n      if (popperVisible.value === true) {\n        e.preventDefault()\n        e.stopPropagation()\n        togglePopperVisible(false)\n      }\n      break\n    case EVENT_CODE.tab:\n      togglePopperVisible(false)\n      break\n  }\n}\n\nconst handleClear = () => {\n  cascaderPanelRef.value?.clearCheckedNodes()\n  if (!popperVisible.value && props.filterable) {\n    syncPresentTextValue()\n  }\n  togglePopperVisible(false)\n  emit('clear')\n}\n\nconst syncPresentTextValue = () => {\n  const { value } = presentText\n  inputValue.value = value\n  searchInputValue.value = value\n}\n\nconst handleSuggestionClick = (node: CascaderNode) => {\n  const { checked } = node\n\n  if (multiple.value) {\n    cascaderPanelRef.value?.handleCheckChange(node, !checked, false)\n  } else {\n    !checked && cascaderPanelRef.value?.handleCheckChange(node, true, false)\n    togglePopperVisible(false)\n  }\n}\n\nconst getSuggestionIndexFromTarget = (target: HTMLElement) => {\n  const suggestionItem = target.closest<HTMLElement>('[data-suggestion-index]')\n  const indexStr = suggestionItem?.dataset.suggestionIndex\n\n  if (!indexStr) return -1\n\n  const index = Number.parseInt(indexStr, 10)\n  if (Number.isNaN(index) || index < 0 || index >= suggestions.value.length) {\n    return -1\n  }\n\n  return index\n}\n\nconst handleSuggestionKeyDown = (e: KeyboardEvent) => {\n  const target = e.target as HTMLElement\n  const code = getEventCode(e)\n\n  switch (code) {\n    case EVENT_CODE.up:\n    case EVENT_CODE.down: {\n      e.preventDefault()\n      const distance = code === EVENT_CODE.up ? -1 : 1\n\n      if (props.virtualScroll && suggestionVirtualListRef.value) {\n        const currentIndex = getSuggestionIndexFromTarget(target)\n        if (currentIndex >= 0) {\n          const length = suggestions.value.length\n          const targetIndex = (currentIndex + distance + length) % length\n\n          suggestionVirtualListRef.value.scrollToItem(targetIndex)\n\n          nextTick(() => {\n            const targetItem = getSuggestionPanelEl(\n              `#suggestion-${suggestions.value[targetIndex].uid}`\n            )\n            targetItem && focusNode(targetItem)\n          })\n          return\n        }\n      }\n\n      // use DOM-based navigation\n      focusNode(\n        getSibling(\n          target,\n          distance,\n          `.${nsCascader.e('suggestion-item')}[tabindex=\"-1\"]`\n        ) as HTMLElement\n      )\n      break\n    }\n    case EVENT_CODE.enter:\n    case EVENT_CODE.numpadEnter:\n      target.click()\n      break\n  }\n}\n\nconst handleDelete = () => {\n  const lastTag = tags.value[tags.value.length - 1]\n  pressDeleteCount = searchInputValue.value ? 0 : pressDeleteCount + 1\n\n  if (\n    !lastTag ||\n    !pressDeleteCount ||\n    (props.collapseTags && tags.value.length > 1)\n  )\n    return\n\n  if (lastTag.hitState) {\n    deleteTag(lastTag)\n  } else {\n    lastTag.hitState = true\n  }\n}\n\nconst debounce = computed(() => props.debounce)\nconst handleFilter = useDebounceFn(() => {\n  const { value } = searchKeyword\n\n  if (!value) return\n\n  const passed = props.beforeFilter(value)\n\n  if (isPromise(passed)) {\n    passed.then(calculateSuggestions).catch(() => {\n      /* prevent log error */\n    })\n  } else if (passed !== false) {\n    calculateSuggestions()\n  } else {\n    hideSuggestionPanel()\n  }\n}, debounce)\n\nconst handleInput = (val: string, e?: InputEvent) => {\n  !popperVisible.value && togglePopperVisible(true)\n\n  if (e?.isComposing) return\n\n  if (val) {\n    handleFilter()\n  } else {\n    const passed = props.beforeFilter('')\n    if (isPromise(passed)) {\n      passed.catch(() => {\n        /* prevent log error */\n      })\n    }\n    hideSuggestionPanel()\n  }\n}\n\nconst getInputInnerHeight = (inputInner: HTMLElement): number =>\n  Number.parseFloat(\n    useCssVar(nsInput.cssVarName('input-height'), inputInner).value!\n  ) - 2\n\nconst focus = () => {\n  inputRef.value?.focus()\n}\n\nconst blur = () => {\n  inputRef.value?.blur()\n}\n\nwatch(filtering, updatePopperPosition)\n\nwatch(\n  [\n    checkedNodes,\n    isDisabled,\n    () => props.collapseTags,\n    () => props.maxCollapseTags,\n  ],\n  calculatePresentTags\n)\n\nwatch(tags, () => {\n  nextTick(() => updateStyle())\n})\n\nwatch(realSize, async () => {\n  await nextTick()\n  const inputInner = inputRef.value!.input!\n  inputInitialHeight = getInputInnerHeight(inputInner) || inputInitialHeight\n  updateStyle()\n})\n\nwatch(presentText, syncPresentTextValue, { immediate: true })\n\nwatch(\n  () => popperVisible.value,\n  (val) => {\n    if (val && props.props.lazy && props.props.lazyLoad) {\n      cascaderPanelRef.value?.loadLazyRootNodes()\n    }\n  }\n)\n\nonMounted(() => {\n  const inputInner = inputRef.value!.input!\n  const inputWrapper = inputRef.value!.$el!\n\n  const inputInnerHeight = getInputInnerHeight(inputInner)\n\n  inputInitialHeight = inputInner.offsetHeight || inputInnerHeight\n  useResizeObserver(inputWrapper, updateStyle)\n})\n\ndefineExpose({\n  /**\n   * @description get an array of currently selected node,(leafOnly) whether only return the leaf checked nodes, default is `false`\n   */\n  getCheckedNodes,\n  /**\n   * @description cascader panel ref\n   */\n  cascaderPanelRef,\n  /**\n   * @description toggle the visible of popper\n   */\n  togglePopperVisible,\n  /**\n   * @description cascader content ref\n   */\n  contentRef,\n  /**\n   * @description selected content text\n   */\n  presentText,\n  /** @description focus the input element */\n  focus,\n  /** @description blur the input element */\n  blur,\n})\n</script>\n"],"mappings":""}