{"ast":null,"code":"import _defineProperty from \"@babel/runtime/helpers/esm/defineProperty\";\nimport _objectWithoutProperties from \"@babel/runtime/helpers/esm/objectWithoutProperties\";\nimport _slicedToArray from \"@babel/runtime/helpers/esm/slicedToArray\";\nimport * as React from 'react';\nimport KeyCode from \"rc-util/es/KeyCode\";\nimport pickAttrs from \"rc-util/es/pickAttrs\";\nimport useMemo from \"rc-util/es/hooks/useMemo\";\nimport classNames from 'classnames';\nimport List from 'rc-virtual-list';\nimport TransBtn from './TransBtn';\n/**\n * Using virtual list of option display.\n * Will fallback to dom if use customize render.\n */\n\nvar OptionList = function OptionList(_ref, ref) {\n  var prefixCls = _ref.prefixCls,\n      id = _ref.id,\n      flattenOptions = _ref.flattenOptions,\n      childrenAsData = _ref.childrenAsData,\n      values = _ref.values,\n      searchValue = _ref.searchValue,\n      multiple = _ref.multiple,\n      defaultActiveFirstOption = _ref.defaultActiveFirstOption,\n      height = _ref.height,\n      itemHeight = _ref.itemHeight,\n      notFoundContent = _ref.notFoundContent,\n      open = _ref.open,\n      menuItemSelectedIcon = _ref.menuItemSelectedIcon,\n      virtual = _ref.virtual,\n      onSelect = _ref.onSelect,\n      onToggleOpen = _ref.onToggleOpen,\n      onActiveValue = _ref.onActiveValue,\n      onScroll = _ref.onScroll,\n      onMouseEnter = _ref.onMouseEnter;\n  var itemPrefixCls = \"\".concat(prefixCls, \"-item\");\n  var memoFlattenOptions = useMemo(function () {\n    return flattenOptions;\n  }, [open, flattenOptions], function (prev, next) {\n    return next[0] && prev[1] !== next[1];\n  }); // =========================== List ===========================\n\n  var listRef = React.useRef(null);\n\n  var onListMouseDown = function onListMouseDown(event) {\n    event.preventDefault();\n  };\n\n  var scrollIntoView = function scrollIntoView(index) {\n    if (listRef.current) {\n      listRef.current.scrollTo({\n        index: index\n      });\n    }\n  }; // ========================== Active ==========================\n\n\n  var getEnabledActiveIndex = function getEnabledActiveIndex(index) {\n    var offset = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 1;\n    var len = memoFlattenOptions.length;\n\n    for (var i = 0; i < len; i += 1) {\n      var current = (index + i * offset + len) % len;\n      var _memoFlattenOptions$c = memoFlattenOptions[current],\n          group = _memoFlattenOptions$c.group,\n          data = _memoFlattenOptions$c.data;\n\n      if (!group && !data.disabled) {\n        return current;\n      }\n    }\n\n    return -1;\n  };\n\n  var _React$useState = React.useState(function () {\n    return getEnabledActiveIndex(0);\n  }),\n      _React$useState2 = _slicedToArray(_React$useState, 2),\n      activeIndex = _React$useState2[0],\n      setActiveIndex = _React$useState2[1];\n\n  var setActive = function setActive(index) {\n    var fromKeyboard = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : false;\n    setActiveIndex(index);\n    var info = {\n      source: fromKeyboard ? 'keyboard' : 'mouse'\n    }; // Trigger active event\n\n    var flattenItem = memoFlattenOptions[index];\n\n    if (!flattenItem) {\n      onActiveValue(null, -1, info);\n      return;\n    }\n\n    onActiveValue(flattenItem.data.value, index, info);\n  }; // Auto active first item when list length or searchValue changed\n\n\n  React.useEffect(function () {\n    setActive(defaultActiveFirstOption !== false ? getEnabledActiveIndex(0) : -1);\n  }, [memoFlattenOptions.length, searchValue]); // Auto scroll to item position in single mode\n\n  React.useEffect(function () {\n    /**\n     * React will skip `onChange` when component update.\n     * `setActive` function will call root accessibility state update which makes re-render.\n     * So we need to delay to let Input component trigger onChange first.\n     */\n    var timeoutId = setTimeout(function () {\n      if (!multiple && open && values.size === 1) {\n        var value = Array.from(values)[0];\n        var index = memoFlattenOptions.findIndex(function (_ref2) {\n          var data = _ref2.data;\n          return data.value === value;\n        });\n        setActive(index);\n        scrollIntoView(index);\n      }\n    }); // Force trigger scrollbar visible when open\n\n    if (open) {\n      var _listRef$current;\n\n      (_listRef$current = listRef.current) === null || _listRef$current === void 0 ? void 0 : _listRef$current.scrollTo(undefined);\n    }\n\n    return function () {\n      return clearTimeout(timeoutId);\n    };\n  }, [open]); // ========================== Values ==========================\n\n  var onSelectValue = function onSelectValue(value) {\n    if (value !== undefined) {\n      onSelect(value, {\n        selected: !values.has(value)\n      });\n    } // Single mode should always close by select\n\n\n    if (!multiple) {\n      onToggleOpen(false);\n    }\n  }; // ========================= Keyboard =========================\n\n\n  React.useImperativeHandle(ref, function () {\n    return {\n      onKeyDown: function onKeyDown(event) {\n        var which = event.which;\n\n        switch (which) {\n          // >>> Arrow keys\n          case KeyCode.UP:\n          case KeyCode.DOWN:\n            {\n              var offset = 0;\n\n              if (which === KeyCode.UP) {\n                offset = -1;\n              } else if (which === KeyCode.DOWN) {\n                offset = 1;\n              }\n\n              if (offset !== 0) {\n                var nextActiveIndex = getEnabledActiveIndex(activeIndex + offset, offset);\n                scrollIntoView(nextActiveIndex);\n                setActive(nextActiveIndex, true);\n              }\n\n              break;\n            }\n          // >>> Select\n\n          case KeyCode.ENTER:\n            {\n              // value\n              var item = memoFlattenOptions[activeIndex];\n\n              if (item && !item.data.disabled) {\n                onSelectValue(item.data.value);\n              } else {\n                onSelectValue(undefined);\n              }\n\n              if (open) {\n                event.preventDefault();\n              }\n\n              break;\n            }\n          // >>> Close\n\n          case KeyCode.ESC:\n            {\n              onToggleOpen(false);\n            }\n        }\n      },\n      onKeyUp: function onKeyUp() {},\n      scrollTo: function scrollTo(index) {\n        scrollIntoView(index);\n      }\n    };\n  }); // ========================== Render ==========================\n\n  if (memoFlattenOptions.length === 0) {\n    return React.createElement(\"div\", {\n      role: \"listbox\",\n      id: \"\".concat(id, \"_list\"),\n      className: \"\".concat(itemPrefixCls, \"-empty\"),\n      onMouseDown: onListMouseDown\n    }, notFoundContent);\n  }\n\n  function renderItem(index) {\n    var item = memoFlattenOptions[index];\n    if (!item) return null;\n    var itemData = item.data || {};\n    var value = itemData.value,\n        label = itemData.label,\n        children = itemData.children;\n    var attrs = pickAttrs(itemData, true);\n    var mergedLabel = childrenAsData ? children : label;\n    return item ? React.createElement(\"div\", Object.assign({\n      \"aria-label\": typeof mergedLabel === 'string' ? mergedLabel : null\n    }, attrs, {\n      key: index,\n      role: \"option\",\n      id: \"\".concat(id, \"_list_\").concat(index),\n      \"aria-selected\": values.has(value)\n    }), value) : null;\n  }\n\n  return React.createElement(React.Fragment, null, React.createElement(\"div\", {\n    role: \"listbox\",\n    id: \"\".concat(id, \"_list\"),\n    style: {\n      height: 0,\n      width: 0,\n      overflow: 'hidden'\n    }\n  }, renderItem(activeIndex - 1), renderItem(activeIndex), renderItem(activeIndex + 1)), React.createElement(List, {\n    itemKey: \"key\",\n    ref: listRef,\n    data: memoFlattenOptions,\n    height: height,\n    itemHeight: itemHeight,\n    fullHeight: false,\n    onMouseDown: onListMouseDown,\n    onScroll: onScroll,\n    virtual: virtual,\n    onMouseEnter: onMouseEnter\n  }, function (_ref3, itemIndex) {\n    var _classNames;\n\n    var group = _ref3.group,\n        groupOption = _ref3.groupOption,\n        data = _ref3.data;\n    var label = data.label,\n        key = data.key; // Group\n\n    if (group) {\n      return React.createElement(\"div\", {\n        className: classNames(itemPrefixCls, \"\".concat(itemPrefixCls, \"-group\"))\n      }, label !== undefined ? label : key);\n    }\n\n    var disabled = data.disabled,\n        value = data.value,\n        title = data.title,\n        children = data.children,\n        style = data.style,\n        className = data.className,\n        otherProps = _objectWithoutProperties(data, [\"disabled\", \"value\", \"title\", \"children\", \"style\", \"className\"]); // Option\n\n\n    var selected = values.has(value);\n    var optionPrefixCls = \"\".concat(itemPrefixCls, \"-option\");\n    var optionClassName = classNames(itemPrefixCls, optionPrefixCls, className, (_classNames = {}, _defineProperty(_classNames, \"\".concat(optionPrefixCls, \"-grouped\"), groupOption), _defineProperty(_classNames, \"\".concat(optionPrefixCls, \"-active\"), activeIndex === itemIndex && !disabled), _defineProperty(_classNames, \"\".concat(optionPrefixCls, \"-disabled\"), disabled), _defineProperty(_classNames, \"\".concat(optionPrefixCls, \"-selected\"), selected), _classNames));\n    var mergedLabel = childrenAsData ? children : label;\n    var iconVisible = !menuItemSelectedIcon || typeof menuItemSelectedIcon === 'function' || selected;\n    var content = mergedLabel || value; // https://github.com/ant-design/ant-design/issues/26717\n\n    var optionTitle = typeof content === 'string' || typeof content === 'number' ? content.toString() : undefined;\n\n    if (title !== undefined) {\n      optionTitle = title;\n    }\n\n    return React.createElement(\"div\", Object.assign({}, otherProps, {\n      \"aria-selected\": selected,\n      className: optionClassName,\n      title: optionTitle,\n      onMouseMove: function onMouseMove() {\n        if (activeIndex === itemIndex || disabled) {\n          return;\n        }\n\n        setActive(itemIndex);\n      },\n      onClick: function onClick() {\n        if (!disabled) {\n          onSelectValue(value);\n        }\n      },\n      style: style\n    }), React.createElement(\"div\", {\n      className: \"\".concat(optionPrefixCls, \"-content\")\n    }, content), React.isValidElement(menuItemSelectedIcon) || selected, iconVisible && React.createElement(TransBtn, {\n      className: \"\".concat(itemPrefixCls, \"-option-state\"),\n      customizeIcon: menuItemSelectedIcon,\n      customizeIconProps: {\n        isSelected: selected\n      }\n    }, selected ? 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height = _ref.height,\n      itemHeight = _ref.itemHeight,\n      notFoundContent = _ref.notFoundContent,\n      open = _ref.open,\n      menuItemSelectedIcon = _ref.menuItemSelectedIcon,\n      virtual = _ref.virtual,\n      onSelect = _ref.onSelect,\n      onToggleOpen = _ref.onToggleOpen,\n      onActiveValue = _ref.onActiveValue,\n      onScroll = _ref.onScroll,\n      onMouseEnter = _ref.onMouseEnter;\n  var itemPrefixCls = \"\".concat(prefixCls, \"-item\");\n  var memoFlattenOptions = useMemo(function () {\n    return flattenOptions;\n  }, [open, flattenOptions], function (prev, next) {\n    return next[0] && prev[1] !== next[1];\n  }); // =========================== List ===========================\n\n  var listRef = React.useRef(null);\n\n  var onListMouseDown = function onListMouseDown(event) {\n    event.preventDefault();\n  };\n\n  var scrollIntoView = function scrollIntoView(index) {\n    if (listRef.current) {\n      listRef.current.scrollTo({\n        index: index\n      });\n    }\n  }; // ========================== Active ==========================\n\n\n  var getEnabledActiveIndex = function getEnabledActiveIndex(index) {\n    var offset = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 1;\n    var len = memoFlattenOptions.length;\n\n    for (var i = 0; i < len; i += 1) {\n      var current = (index + i * offset + len) % len;\n      var _memoFlattenOptions$c = memoFlattenOptions[current],\n          group = _memoFlattenOptions$c.group,\n          data = _memoFlattenOptions$c.data;\n\n      if (!group && !data.disabled) {\n        return current;\n      }\n    }\n\n    return -1;\n  };\n\n  var _React$useState = React.useState(function () {\n    return getEnabledActiveIndex(0);\n  }),\n      _React$useState2 = _slicedToArray(_React$useState, 2),\n      activeIndex = _React$useState2[0],\n      setActiveIndex = _React$useState2[1];\n\n  var setActive = function setActive(index) {\n    var fromKeyboard = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : false;\n    setActiveIndex(index);\n    var info = {\n      source: fromKeyboard ? 'keyboard' : 'mouse'\n    }; // Trigger active event\n\n    var flattenItem = memoFlattenOptions[index];\n\n    if (!flattenItem) {\n      onActiveValue(null, -1, info);\n      return;\n    }\n\n    onActiveValue(flattenItem.data.value, index, info);\n  }; // Auto active first item when list length or searchValue changed\n\n\n  React.useEffect(function () {\n    setActive(defaultActiveFirstOption !== false ? getEnabledActiveIndex(0) : -1);\n  }, [memoFlattenOptions.length, searchValue]); // Auto scroll to item position in single mode\n\n  React.useEffect(function () {\n    /**\n     * React will skip `onChange` when component update.\n     * `setActive` function will call root accessibility state update which makes re-render.\n     * So we need to delay to let Input component trigger onChange first.\n     */\n    var timeoutId = setTimeout(function () {\n      if (!multiple && open && values.size === 1) {\n        var value = Array.from(values)[0];\n        var index = memoFlattenOptions.findIndex(function (_ref2) {\n          var data = _ref2.data;\n          return data.value === value;\n        });\n        setActive(index);\n        scrollIntoView(index);\n      }\n    }); // Force trigger scrollbar visible when open\n\n    if (open) {\n      var _listRef$current;\n\n      (_listRef$current = listRef.current) === null || _listRef$current === void 0 ? void 0 : _listRef$current.scrollTo(undefined);\n    }\n\n    return function () {\n      return clearTimeout(timeoutId);\n    };\n  }, [open]); // ========================== Values ==========================\n\n  var onSelectValue = function onSelectValue(value) {\n    if (value !== undefined) {\n      onSelect(value, {\n        selected: !values.has(value)\n      });\n    } // Single mode should always close by select\n\n\n    if (!multiple) {\n      onToggleOpen(false);\n    }\n  }; // ========================= Keyboard =========================\n\n\n  React.useImperativeHandle(ref, function () {\n    return {\n      onKeyDown: function onKeyDown(event) {\n        var which = event.which;\n\n        switch (which) {\n          // >>> Arrow keys\n          case KeyCode.UP:\n          case KeyCode.DOWN:\n            {\n              var offset = 0;\n\n              if (which === KeyCode.UP) {\n                offset = -1;\n              } else if (which === KeyCode.DOWN) {\n                offset = 1;\n              }\n\n              if (offset !== 0) {\n                var nextActiveIndex = getEnabledActiveIndex(activeIndex + offset, offset);\n                scrollIntoView(nextActiveIndex);\n                setActive(nextActiveIndex, true);\n              }\n\n              break;\n            }\n          // >>> Select\n\n          case KeyCode.ENTER:\n            {\n              // value\n              var item = memoFlattenOptions[activeIndex];\n\n              if (item && !item.data.disabled) {\n                onSelectValue(item.data.value);\n              } else {\n                onSelectValue(undefined);\n              }\n\n              if (open) {\n                event.preventDefault();\n              }\n\n              break;\n            }\n          // >>> Close\n\n          case KeyCode.ESC:\n            {\n              onToggleOpen(false);\n            }\n        }\n      },\n      onKeyUp: function onKeyUp() {},\n      scrollTo: function scrollTo(index) {\n        scrollIntoView(index);\n      }\n    };\n  }); // ========================== Render ==========================\n\n  if (memoFlattenOptions.length === 0) {\n    return React.createElement(\"div\", {\n      role: \"listbox\",\n      id: \"\".concat(id, \"_list\"),\n      className: \"\".concat(itemPrefixCls, \"-empty\"),\n      onMouseDown: onListMouseDown\n    }, notFoundContent);\n  }\n\n  function renderItem(index) {\n    var item = memoFlattenOptions[index];\n    if (!item) return null;\n    var itemData = item.data || {};\n    var value = itemData.value,\n        label = itemData.label,\n        children = itemData.children;\n    var attrs = pickAttrs(itemData, true);\n    var mergedLabel = childrenAsData ? children : label;\n    return item ? React.createElement(\"div\", Object.assign({\n      \"aria-label\": typeof mergedLabel === 'string' ? mergedLabel : null\n    }, attrs, {\n      key: index,\n      role: \"option\",\n      id: \"\".concat(id, \"_list_\").concat(index),\n      \"aria-selected\": values.has(value)\n    }), value) : null;\n  }\n\n  return React.createElement(React.Fragment, null, React.createElement(\"div\", {\n    role: \"listbox\",\n    id: \"\".concat(id, \"_list\"),\n    style: {\n      height: 0,\n      width: 0,\n      overflow: 'hidden'\n    }\n  }, renderItem(activeIndex - 1), renderItem(activeIndex), renderItem(activeIndex + 1)), React.createElement(List, {\n    itemKey: \"key\",\n    ref: listRef,\n    data: memoFlattenOptions,\n    height: height,\n    itemHeight: itemHeight,\n    fullHeight: false,\n    onMouseDown: onListMouseDown,\n    onScroll: onScroll,\n    virtual: virtual,\n    onMouseEnter: onMouseEnter\n  }, function (_ref3, itemIndex) {\n    var _classNames;\n\n    var group = _ref3.group,\n        groupOption = _ref3.groupOption,\n        data = _ref3.data;\n    var label = data.label,\n        key = data.key; // Group\n\n    if (group) {\n      return React.createElement(\"div\", {\n        className: classNames(itemPrefixCls, \"\".concat(itemPrefixCls, \"-group\"))\n      }, label !== undefined ? label : key);\n    }\n\n    var disabled = data.disabled,\n        value = data.value,\n        title = data.title,\n        children = data.children,\n        style = data.style,\n        className = data.className,\n        otherProps = _objectWithoutProperties(data, [\"disabled\", \"value\", \"title\", \"children\", \"style\", \"className\"]); // Option\n\n\n    var selected = values.has(value);\n    var optionPrefixCls = \"\".concat(itemPrefixCls, \"-option\");\n    var optionClassName = classNames(itemPrefixCls, optionPrefixCls, className, (_classNames = {}, _defineProperty(_classNames, \"\".concat(optionPrefixCls, \"-grouped\"), groupOption), _defineProperty(_classNames, \"\".concat(optionPrefixCls, \"-active\"), activeIndex === itemIndex && !disabled), _defineProperty(_classNames, \"\".concat(optionPrefixCls, \"-disabled\"), disabled), _defineProperty(_classNames, \"\".concat(optionPrefixCls, \"-selected\"), selected), _classNames));\n    var mergedLabel = childrenAsData ? children : label;\n    var iconVisible = !menuItemSelectedIcon || typeof menuItemSelectedIcon === 'function' || selected;\n    var content = mergedLabel || value; // https://github.com/ant-design/ant-design/issues/26717\n\n    var optionTitle = typeof content === 'string' || typeof content === 'number' ? content.toString() : undefined;\n\n    if (title !== undefined) {\n      optionTitle = title;\n    }\n\n    return React.createElement(\"div\", Object.assign({}, otherProps, {\n      \"aria-selected\": selected,\n      className: optionClassName,\n      title: optionTitle,\n      onMouseMove: function onMouseMove() {\n        if (activeIndex === itemIndex || disabled) {\n          return;\n        }\n\n        setActive(itemIndex);\n      },\n      onClick: function onClick() {\n        if (!disabled) {\n          onSelectValue(value);\n        }\n      },\n      style: style\n    }), React.createElement(\"div\", {\n      className: \"\".concat(optionPrefixCls, \"-content\")\n    }, content), React.isValidElement(menuItemSelectedIcon) || selected, iconVisible && React.createElement(TransBtn, {\n      className: \"\".concat(itemPrefixCls, \"-option-state\"),\n      customizeIcon: menuItemSelectedIcon,\n      customizeIconProps: {\n        isSelected: selected\n      }\n    }, selected ? '✓' : null));\n  }));\n};\n\nvar RefOptionList = React.forwardRef(OptionList);\nRefOptionList.displayName = 'OptionList';\nexport default RefOptionList;"]},"metadata":{},"sourceType":"module"}