element-plus/es/components/select-v2/src/select-dropdown.mjs.map

A Component Library for Vue 3

{"version":3,"file":"select-dropdown.mjs","sources":["../../../../../../packages/components/select-v2/src/select-dropdown.tsx"],"sourcesContent":["import {\n  computed,\n  defineComponent,\n  inject,\n  ref,\n  toRaw,\n  unref,\n  watch,\n} from 'vue'\nimport { get } from 'lodash-unified'\nimport { isIOS, isObject, isUndefined } from '@element-plus/utils'\nimport {\n  DynamicSizeList,\n  FixedSizeList,\n} from '@element-plus/components/virtual-list'\nimport { useNamespace } from '@element-plus/hooks'\nimport { EVENT_CODE } from '@element-plus/constants'\nimport GroupItem from './group-item.vue'\nimport OptionItem from './option-item.vue'\nimport { useProps } from './useProps'\nimport { selectV2InjectionKey } from './token'\n\nimport type {\n  DynamicSizeListInstance,\n  FixedSizeListInstance,\n  ItemProps,\n} from '@element-plus/components/virtual-list'\nimport type { Option, OptionItemProps } from './select.types'\nimport type {\n  ComponentPublicInstance,\n  ComputedRef,\n  ExtractPropTypes,\n  Ref,\n} from 'vue'\n\nconst props = {\n  loading: Boolean,\n  data: {\n    type: Array,\n    required: true as const,\n  },\n  hoveringIndex: Number,\n  width: Number,\n}\ninterface SelectDropdownExposed {\n  listRef: Ref<FixedSizeListInstance | DynamicSizeListInstance | undefined>\n  isSized: ComputedRef<boolean>\n  isItemDisabled: (modelValue: any[] | any, selected: boolean) => boolean\n  isItemHovering: (target: number) => boolean\n  isItemSelected: (modelValue: any[] | any, target: Option) => boolean\n  scrollToItem: (index: number) => void\n  resetScrollTop: () => void\n}\nexport type SelectDropdownInstance = ComponentPublicInstance<\n  ExtractPropTypes<typeof props>,\n  SelectDropdownExposed\n>\nexport default defineComponent({\n  name: 'ElSelectDropdown',\n  props,\n  setup(props, { slots, expose }) {\n    const select = inject(selectV2InjectionKey)!\n    const ns = useNamespace('select')\n    const { getLabel, getValue, getDisabled } = useProps(select.props)\n\n    const cachedHeights = ref<Array<number>>([])\n\n    const listRef = ref<FixedSizeListInstance | DynamicSizeListInstance>()\n\n    const size = computed(() => props.data.length)\n    watch(\n      () => size.value,\n      () => {\n        select.tooltipRef.value?.updatePopper?.()\n      }\n    )\n\n    const isSized = computed(() =>\n      isUndefined(select.props.estimatedOptionHeight)\n    )\n    const listProps = computed(() => {\n      if (isSized.value) {\n        return {\n          itemSize: select.props.itemHeight,\n        }\n      }\n\n      return {\n        estimatedSize: select.props.estimatedOptionHeight,\n        itemSize: (idx: number) => cachedHeights.value[idx],\n      }\n    })\n\n    const contains = (arr: Array<any> = [], target: any) => {\n      const {\n        props: { valueKey },\n      } = select\n\n      if (!isObject(target)) {\n        return arr.includes(target)\n      }\n\n      return (\n        arr &&\n        arr.some((item) => {\n          return toRaw(get(item, valueKey)) === get(target, valueKey)\n        })\n      )\n    }\n    const isEqual = (selected: unknown, target: unknown) => {\n      if (!isObject(target)) {\n        return selected === target\n      } else {\n        const { valueKey } = select.props\n        return get(selected, valueKey) === get(target, valueKey)\n      }\n    }\n\n    const isItemSelected: SelectDropdownExposed['isItemSelected'] = (\n      modelValue,\n      target\n    ) => {\n      if (select.props.multiple) {\n        return contains(modelValue, getValue(target))\n      }\n      return isEqual(modelValue, getValue(target))\n    }\n\n    const isItemDisabled: SelectDropdownExposed['isItemDisabled'] = (\n      modelValue,\n      selected\n    ) => {\n      const { disabled, multiple, multipleLimit } = select.props\n      return (\n        disabled ||\n        (!selected &&\n          (multiple\n            ? multipleLimit > 0 && modelValue.length >= multipleLimit\n            : false))\n      )\n    }\n\n    const isItemHovering: SelectDropdownExposed['isItemHovering'] = (target) =>\n      props.hoveringIndex === target\n\n    const scrollToItem: SelectDropdownExposed['scrollToItem'] = (index) => {\n      const list = listRef.value\n      if (list) {\n        list.scrollToItem(index)\n      }\n    }\n\n    const resetScrollTop: SelectDropdownExposed['resetScrollTop'] = () => {\n      const list = listRef.value\n      if (list) {\n        list.resetScrollTop()\n      }\n    }\n    const exposed: SelectDropdownExposed = {\n      listRef,\n      isSized,\n\n      isItemDisabled,\n      isItemHovering,\n      isItemSelected,\n      scrollToItem,\n      resetScrollTop,\n    }\n    expose(exposed)\n\n    const Item = (itemProps: ItemProps<any>) => {\n      const { index, data, style } = itemProps\n      const sized = unref(isSized)\n      const { itemSize, estimatedSize } = unref(listProps)\n      const { modelValue } = select.props\n      const { onSelect, onHover } = select\n      const item = data[index]\n      if (item.type === 'Group') {\n        return (\n          <GroupItem\n            item={item}\n            style={style}\n            height={sized ? (itemSize as number) : estimatedSize}\n          />\n        )\n      }\n\n      const isSelected = isItemSelected(modelValue, item)\n      const isDisabled = isItemDisabled(modelValue, isSelected)\n      const isHovering = isItemHovering(index)\n      return (\n        <OptionItem\n          {...itemProps}\n          selected={isSelected}\n          disabled={getDisabled(item) || isDisabled}\n          created={!!item.created}\n          hovering={isHovering}\n          item={item}\n          onSelect={onSelect}\n          onHover={onHover}\n        >\n          {{\n            default: (props: OptionItemProps) =>\n              slots.default?.(props) || <span>{getLabel(item)}</span>,\n          }}\n        </OptionItem>\n      )\n    }\n\n    // computed\n    const { onKeyboardNavigate, onKeyboardSelect } = select\n\n    const onForward = () => {\n      onKeyboardNavigate('forward')\n    }\n\n    const onBackward = () => {\n      onKeyboardNavigate('backward')\n    }\n\n    const onEscOrTab = () => {\n      // The following line actually doesn't work. Fixing it may introduce a small breaking change for some users, so just comment it out for now.\n      // select.expanded = false\n    }\n\n    const onKeydown = (e: KeyboardEvent) => {\n      const { code } = e\n      const { tab, esc, down, up, enter, numpadEnter } = EVENT_CODE\n      if ([esc, down, up, enter, numpadEnter].includes(code)) {\n        e.preventDefault()\n        e.stopPropagation()\n      }\n\n      switch (code) {\n        case tab:\n        case esc:\n          onEscOrTab()\n          break\n        case down:\n          onForward()\n          break\n        case up:\n          onBackward()\n          break\n        case enter:\n        case numpadEnter:\n          onKeyboardSelect()\n          break\n      }\n    }\n\n    return () => {\n      const { data, width } = props\n      const { height, multiple, scrollbarAlwaysOn } = select.props\n      const isScrollbarAlwaysOn = computed(() => {\n        // fix https://github.com/element-plus/element-plus/issues/19127\n        return isIOS ? true : scrollbarAlwaysOn\n      })\n\n      const List = unref(isSized) ? 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