{"ast":null,"code":"import _toConsumableArray from \"@babel/runtime/helpers/esm/toConsumableArray\";\nimport _slicedToArray from \"@babel/runtime/helpers/esm/slicedToArray\";\nimport * as React from 'react';\nimport KeyCode from \"rc-util/es/KeyCode\";\nimport useMemo from \"rc-util/es/hooks/useMemo\";\nimport Tree from 'rc-tree';\nimport { SelectContext } from './Context';\nimport useKeyValueMapping from './hooks/useKeyValueMapping';\nimport useKeyValueMap from './hooks/useKeyValueMap';\nvar HIDDEN_STYLE = {\n  width: 0,\n  height: 0,\n  display: 'flex',\n  overflow: 'hidden',\n  opacity: 0,\n  border: 0,\n  padding: 0,\n  margin: 0\n};\n\nvar OptionList = function OptionList(props, ref) {\n  var prefixCls = props.prefixCls,\n      height = props.height,\n      itemHeight = props.itemHeight,\n      virtual = props.virtual,\n      options = props.options,\n      flattenOptions = props.flattenOptions,\n      multiple = props.multiple,\n      searchValue = props.searchValue,\n      onSelect = props.onSelect,\n      onToggleOpen = props.onToggleOpen,\n      open = props.open,\n      notFoundContent = props.notFoundContent,\n      onMouseEnter = props.onMouseEnter;\n\n  var _React$useContext = React.useContext(SelectContext),\n      checkable = _React$useContext.checkable,\n      checkedKeys = _React$useContext.checkedKeys,\n      halfCheckedKeys = _React$useContext.halfCheckedKeys,\n      treeExpandedKeys = _React$useContext.treeExpandedKeys,\n      treeDefaultExpandAll = _React$useContext.treeDefaultExpandAll,\n      treeDefaultExpandedKeys = _React$useContext.treeDefaultExpandedKeys,\n      onTreeExpand = _React$useContext.onTreeExpand,\n      treeIcon = _React$useContext.treeIcon,\n      showTreeIcon = _React$useContext.showTreeIcon,\n      switcherIcon = _React$useContext.switcherIcon,\n      treeLine = _React$useContext.treeLine,\n      treeNodeFilterProp = _React$useContext.treeNodeFilterProp,\n      loadData = _React$useContext.loadData,\n      treeLoadedKeys = _React$useContext.treeLoadedKeys,\n      treeMotion = _React$useContext.treeMotion,\n      onTreeLoad = _React$useContext.onTreeLoad;\n\n  var treeRef = React.useRef();\n  var memoOptions = useMemo(function () {\n    return options;\n  }, [open, options], function (prev, next) {\n    return next[0] && prev[1] !== next[1];\n  });\n\n  var _useKeyValueMap = useKeyValueMap(flattenOptions),\n      _useKeyValueMap2 = _slicedToArray(_useKeyValueMap, 2),\n      cacheKeyMap = _useKeyValueMap2[0],\n      cacheValueMap = _useKeyValueMap2[1];\n\n  var _useKeyValueMapping = useKeyValueMapping(cacheKeyMap, cacheValueMap),\n      _useKeyValueMapping2 = _slicedToArray(_useKeyValueMapping, 2),\n      getEntityByKey = _useKeyValueMapping2[0],\n      getEntityByValue = _useKeyValueMapping2[1]; // ========================== Values ==========================\n\n\n  var valueKeys = React.useMemo(function () {\n    return checkedKeys.map(function (val) {\n      var entity = getEntityByValue(val);\n      return entity ? entity.key : null;\n    });\n  }, [checkedKeys]);\n  var mergedCheckedKeys = React.useMemo(function () {\n    if (!checkable) {\n      return null;\n    }\n\n    return {\n      checked: valueKeys,\n      halfChecked: halfCheckedKeys\n    };\n  }, [valueKeys, halfCheckedKeys, checkable]); // ========================== Scroll ==========================\n\n  React.useEffect(function () {\n    // Single mode should scroll to current key\n    if (open && !multiple && valueKeys.length) {\n      var _treeRef$current;\n\n      (_treeRef$current = treeRef.current) === null || _treeRef$current === void 0 ? void 0 : _treeRef$current.scrollTo({\n        key: valueKeys[0]\n      });\n    }\n  }, [open]); // ========================== Search ==========================\n\n  var lowerSearchValue = String(searchValue).toLowerCase();\n\n  var filterTreeNode = function filterTreeNode(treeNode) {\n    if (!lowerSearchValue) {\n      return false;\n    }\n\n    return String(treeNode[treeNodeFilterProp]).toLowerCase().includes(lowerSearchValue);\n  }; // =========================== Keys ===========================\n\n\n  var _React$useState = React.useState(treeDefaultExpandedKeys),\n      _React$useState2 = _slicedToArray(_React$useState, 2),\n      expandedKeys = _React$useState2[0],\n      setExpandedKeys = _React$useState2[1];\n\n  var _React$useState3 = React.useState(null),\n      _React$useState4 = _slicedToArray(_React$useState3, 2),\n      searchExpandedKeys = _React$useState4[0],\n      setSearchExpandedKeys = _React$useState4[1];\n\n  var mergedExpandedKeys = React.useMemo(function () {\n    if (treeExpandedKeys) {\n      return _toConsumableArray(treeExpandedKeys);\n    }\n\n    return searchValue ? searchExpandedKeys : expandedKeys;\n  }, [expandedKeys, searchExpandedKeys, lowerSearchValue, treeExpandedKeys]);\n  React.useEffect(function () {\n    if (searchValue) {\n      setSearchExpandedKeys(flattenOptions.map(function (o) {\n        return o.key;\n      }));\n    }\n  }, [searchValue]);\n\n  var onInternalExpand = function onInternalExpand(keys) {\n    setExpandedKeys(keys);\n    setSearchExpandedKeys(keys);\n\n    if (onTreeExpand) {\n      onTreeExpand(keys);\n    }\n  }; // ========================== Events ==========================\n\n\n  var onListMouseDown = function onListMouseDown(event) {\n    event.preventDefault();\n  };\n\n  var onInternalSelect = function onInternalSelect(_, _ref) {\n    var key = _ref.node.key;\n    var entity = getEntityByKey(key, checkable ? 'checkbox' : 'select');\n\n    if (entity !== null) {\n      onSelect(entity.data.value, {\n        selected: !checkedKeys.includes(entity.data.value)\n      });\n    }\n\n    if (!multiple) {\n      onToggleOpen(false);\n    }\n  }; // ========================= Keyboard =========================\n\n\n  var _React$useState5 = React.useState(null),\n      _React$useState6 = _slicedToArray(_React$useState5, 2),\n      activeKey = _React$useState6[0],\n      setActiveKey = _React$useState6[1];\n\n  var activeEntity = getEntityByKey(activeKey);\n  React.useImperativeHandle(ref, function () {\n    return {\n      onKeyDown: function onKeyDown(event) {\n        var _treeRef$current2;\n\n        var which = event.which;\n\n        switch (which) {\n          // >>> Arrow keys\n          case KeyCode.UP:\n          case KeyCode.DOWN:\n          case KeyCode.LEFT:\n          case KeyCode.RIGHT:\n            (_treeRef$current2 = treeRef.current) === null || _treeRef$current2 === void 0 ? void 0 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 onToggleOpen = props.onToggleOpen,\n      open = props.open,\n      notFoundContent = props.notFoundContent,\n      onMouseEnter = props.onMouseEnter;\n\n  var _React$useContext = React.useContext(SelectContext),\n      checkable = _React$useContext.checkable,\n      checkedKeys = _React$useContext.checkedKeys,\n      halfCheckedKeys = _React$useContext.halfCheckedKeys,\n      treeExpandedKeys = _React$useContext.treeExpandedKeys,\n      treeDefaultExpandAll = _React$useContext.treeDefaultExpandAll,\n      treeDefaultExpandedKeys = _React$useContext.treeDefaultExpandedKeys,\n      onTreeExpand = _React$useContext.onTreeExpand,\n      treeIcon = _React$useContext.treeIcon,\n      showTreeIcon = _React$useContext.showTreeIcon,\n      switcherIcon = _React$useContext.switcherIcon,\n      treeLine = _React$useContext.treeLine,\n      treeNodeFilterProp = _React$useContext.treeNodeFilterProp,\n      loadData = _React$useContext.loadData,\n      treeLoadedKeys = _React$useContext.treeLoadedKeys,\n      treeMotion = _React$useContext.treeMotion,\n      onTreeLoad = _React$useContext.onTreeLoad;\n\n  var treeRef = React.useRef();\n  var memoOptions = useMemo(function () {\n    return options;\n  }, [open, options], function (prev, next) {\n    return next[0] && prev[1] !== next[1];\n  });\n\n  var _useKeyValueMap = useKeyValueMap(flattenOptions),\n      _useKeyValueMap2 = _slicedToArray(_useKeyValueMap, 2),\n      cacheKeyMap = _useKeyValueMap2[0],\n      cacheValueMap = _useKeyValueMap2[1];\n\n  var _useKeyValueMapping = useKeyValueMapping(cacheKeyMap, cacheValueMap),\n      _useKeyValueMapping2 = _slicedToArray(_useKeyValueMapping, 2),\n      getEntityByKey = _useKeyValueMapping2[0],\n      getEntityByValue = _useKeyValueMapping2[1]; // ========================== Values ==========================\n\n\n  var valueKeys = React.useMemo(function () {\n    return checkedKeys.map(function (val) {\n      var entity = getEntityByValue(val);\n      return entity ? entity.key : null;\n    });\n  }, [checkedKeys]);\n  var mergedCheckedKeys = React.useMemo(function () {\n    if (!checkable) {\n      return null;\n    }\n\n    return {\n      checked: valueKeys,\n      halfChecked: halfCheckedKeys\n    };\n  }, [valueKeys, halfCheckedKeys, checkable]); // ========================== Scroll ==========================\n\n  React.useEffect(function () {\n    // Single mode should scroll to current key\n    if (open && !multiple && valueKeys.length) {\n      var _treeRef$current;\n\n      (_treeRef$current = treeRef.current) === null || _treeRef$current === void 0 ? void 0 : _treeRef$current.scrollTo({\n        key: valueKeys[0]\n      });\n    }\n  }, [open]); // ========================== Search ==========================\n\n  var lowerSearchValue = String(searchValue).toLowerCase();\n\n  var filterTreeNode = function filterTreeNode(treeNode) {\n    if (!lowerSearchValue) {\n      return false;\n    }\n\n    return String(treeNode[treeNodeFilterProp]).toLowerCase().includes(lowerSearchValue);\n  }; // =========================== Keys ===========================\n\n\n  var _React$useState = React.useState(treeDefaultExpandedKeys),\n      _React$useState2 = _slicedToArray(_React$useState, 2),\n      expandedKeys = _React$useState2[0],\n      setExpandedKeys = _React$useState2[1];\n\n  var _React$useState3 = React.useState(null),\n      _React$useState4 = _slicedToArray(_React$useState3, 2),\n      searchExpandedKeys = _React$useState4[0],\n      setSearchExpandedKeys = _React$useState4[1];\n\n  var mergedExpandedKeys = React.useMemo(function () {\n    if (treeExpandedKeys) {\n      return _toConsumableArray(treeExpandedKeys);\n    }\n\n    return searchValue ? searchExpandedKeys : expandedKeys;\n  }, [expandedKeys, searchExpandedKeys, lowerSearchValue, treeExpandedKeys]);\n  React.useEffect(function () {\n    if (searchValue) {\n      setSearchExpandedKeys(flattenOptions.map(function (o) {\n        return o.key;\n      }));\n    }\n  }, [searchValue]);\n\n  var onInternalExpand = function onInternalExpand(keys) {\n    setExpandedKeys(keys);\n    setSearchExpandedKeys(keys);\n\n    if (onTreeExpand) {\n      onTreeExpand(keys);\n    }\n  }; // ========================== Events ==========================\n\n\n  var onListMouseDown = function onListMouseDown(event) {\n    event.preventDefault();\n  };\n\n  var onInternalSelect = function onInternalSelect(_, _ref) {\n    var key = _ref.node.key;\n    var entity = getEntityByKey(key, checkable ? 'checkbox' : 'select');\n\n    if (entity !== null) {\n      onSelect(entity.data.value, {\n        selected: !checkedKeys.includes(entity.data.value)\n      });\n    }\n\n    if (!multiple) {\n      onToggleOpen(false);\n    }\n  }; // ========================= Keyboard =========================\n\n\n  var _React$useState5 = React.useState(null),\n      _React$useState6 = _slicedToArray(_React$useState5, 2),\n      activeKey = _React$useState6[0],\n      setActiveKey = _React$useState6[1];\n\n  var activeEntity = getEntityByKey(activeKey);\n  React.useImperativeHandle(ref, function () {\n    return {\n      onKeyDown: function onKeyDown(event) {\n        var _treeRef$current2;\n\n        var which = event.which;\n\n        switch (which) {\n          // >>> Arrow keys\n          case KeyCode.UP:\n          case KeyCode.DOWN:\n          case KeyCode.LEFT:\n          case KeyCode.RIGHT:\n            (_treeRef$current2 = treeRef.current) === null || _treeRef$current2 === void 0 ? void 0 : _treeRef$current2.onKeyDown(event);\n            break;\n          // >>> Select item\n\n          case KeyCode.ENTER:\n            {\n              if (activeEntity !== null) {\n                onInternalSelect(null, {\n                  node: {\n                    key: activeKey\n                  },\n                  selected: !checkedKeys.includes(activeEntity.data.value)\n                });\n              }\n\n              break;\n            }\n          // >>> Close\n\n          case KeyCode.ESC:\n            {\n              onToggleOpen(false);\n            }\n        }\n      },\n      onKeyUp: function onKeyUp() {}\n    };\n  }); // ========================== Render ==========================\n\n  if (memoOptions.length === 0) {\n    return /*#__PURE__*/React.createElement(\"div\", {\n      role: \"listbox\",\n      className: \"\".concat(prefixCls, \"-empty\"),\n      onMouseDown: onListMouseDown\n    }, notFoundContent);\n  }\n\n  var treeProps = {};\n\n  if (treeLoadedKeys) {\n    treeProps.loadedKeys = treeLoadedKeys;\n  }\n\n  if (mergedExpandedKeys) {\n    treeProps.expandedKeys = mergedExpandedKeys;\n  }\n\n  return /*#__PURE__*/React.createElement(\"div\", {\n    onMouseDown: onListMouseDown,\n    onMouseEnter: onMouseEnter\n  }, activeEntity && open && /*#__PURE__*/React.createElement(\"span\", {\n    style: HIDDEN_STYLE,\n    \"aria-live\": \"assertive\"\n  }, activeEntity.data.value), /*#__PURE__*/React.createElement(Tree, Object.assign({\n    ref: treeRef,\n    focusable: false,\n    prefixCls: \"\".concat(prefixCls, \"-tree\"),\n    treeData: memoOptions,\n    height: height,\n    itemHeight: itemHeight,\n    virtual: virtual,\n    multiple: multiple,\n    icon: treeIcon,\n    showIcon: showTreeIcon,\n    switcherIcon: switcherIcon,\n    showLine: treeLine,\n    loadData: searchValue ? null : loadData,\n    motion: treeMotion,\n    // We handle keys by out instead tree self\n    checkable: checkable,\n    checkStrictly: true,\n    checkedKeys: mergedCheckedKeys,\n    selectedKeys: !checkable ? valueKeys : [],\n    defaultExpandAll: treeDefaultExpandAll\n  }, treeProps, {\n    // Proxy event out\n    onActiveChange: setActiveKey,\n    onSelect: onInternalSelect,\n    onCheck: onInternalSelect,\n    onExpand: onInternalExpand,\n    onLoad: onTreeLoad,\n    filterTreeNode: filterTreeNode\n  })));\n};\n\nvar RefOptionList = /*#__PURE__*/React.forwardRef(OptionList);\nRefOptionList.displayName = 'OptionList';\nexport default RefOptionList;"]},"metadata":{},"sourceType":"module"}