{"ast":null,"code":"import _slicedToArray from \"@babel/runtime/helpers/esm/slicedToArray\";\nimport _objectWithoutProperties from \"@babel/runtime/helpers/esm/objectWithoutProperties\";\n/**\n * Handle virtual list of the TreeNodes.\n */\n\nimport * as React from 'react';\nimport VirtualList from 'rc-virtual-list';\nimport MotionTreeNode from './MotionTreeNode';\nimport { findExpandedKeys, getExpandRange } from './utils/diffUtil';\nimport { getTreeNodeProps, getKey } from './utils/treeUtil';\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 noop = function noop() {};\n\nexport var MOTION_KEY = \"RC_TREE_MOTION_\".concat(Math.random());\nvar MotionNode = {\n  key: MOTION_KEY\n};\nexport var MotionEntity = {\n  key: MOTION_KEY,\n  level: 0,\n  index: 0,\n  pos: '0',\n  node: MotionNode\n};\nvar MotionFlattenData = {\n  parent: null,\n  children: [],\n  pos: MotionEntity.pos,\n  data: MotionNode,\n\n  /** Hold empty list here since we do not use it */\n  isStart: [],\n  isEnd: []\n};\n/**\n * We only need get visible content items to play the animation.\n */\n\nexport function getMinimumRangeTransitionRange(list, virtual, height, itemHeight) {\n  if (virtual === false || !height) {\n    return list;\n  }\n\n  return list.slice(0, Math.ceil(height / itemHeight) + 1);\n}\n\nfunction itemKey(item) {\n  var key = item.data.key,\n      pos = item.pos;\n  return getKey(key, pos);\n}\n\nfunction getAccessibilityPath(item) {\n  var path = String(item.data.key);\n  var current = item;\n\n  while (current.parent) {\n    current = current.parent;\n    path = \"\".concat(current.data.key, \" > \").concat(path);\n  }\n\n  return path;\n}\n\nvar RefNodeList = function RefNodeList(props, ref) {\n  var prefixCls = props.prefixCls,\n      data = props.data,\n      selectable = props.selectable,\n      checkable = props.checkable,\n      expandedKeys = props.expandedKeys,\n      selectedKeys = props.selectedKeys,\n      checkedKeys = props.checkedKeys,\n      loadedKeys = props.loadedKeys,\n      loadingKeys = props.loadingKeys,\n      halfCheckedKeys = props.halfCheckedKeys,\n      keyEntities = props.keyEntities,\n      disabled = props.disabled,\n      dragging = props.dragging,\n      dragOverNodeKey = props.dragOverNodeKey,\n      dropPosition = props.dropPosition,\n      motion = props.motion,\n      height = props.height,\n      itemHeight = props.itemHeight,\n      virtual = props.virtual,\n      focusable = props.focusable,\n      activeItem = props.activeItem,\n      focused = props.focused,\n      tabIndex = props.tabIndex,\n      onKeyDown = props.onKeyDown,\n      onFocus = props.onFocus,\n      onBlur = props.onBlur,\n      onActiveChange = props.onActiveChange,\n      onListChangeStart = props.onListChangeStart,\n      onListChangeEnd = props.onListChangeEnd,\n      domProps = _objectWithoutProperties(props, [\"prefixCls\", \"data\", \"selectable\", \"checkable\", \"expandedKeys\", \"selectedKeys\", \"checkedKeys\", \"loadedKeys\", \"loadingKeys\", \"halfCheckedKeys\", \"keyEntities\", \"disabled\", \"dragging\", \"dragOverNodeKey\", \"dropPosition\", \"motion\", \"height\", \"itemHeight\", \"virtual\", \"focusable\", \"activeItem\", \"focused\", \"tabIndex\", \"onKeyDown\", \"onFocus\", \"onBlur\", \"onActiveChange\", \"onListChangeStart\", \"onListChangeEnd\"]); // =============================== Ref ================================\n\n\n  var listRef = React.useRef(null);\n  var indentMeasurerRef = React.useRef(null);\n  React.useImperativeHandle(ref, function () {\n    return {\n      scrollTo: function scrollTo(scroll) {\n        listRef.current.scrollTo(scroll);\n      },\n      getIndentWidth: function getIndentWidth() {\n        return indentMeasurerRef.current.offsetWidth;\n      }\n    };\n  }); // ============================== Motion ==============================\n\n  var _React$useState = React.useState(expandedKeys),\n      _React$useState2 = _slicedToArray(_React$useState, 2),\n      prevExpandedKeys = _React$useState2[0],\n      setPrevExpandedKeys = _React$useState2[1];\n\n  var _React$useState3 = React.useState(data),\n      _React$useState4 = _slicedToArray(_React$useState3, 2),\n      prevData = _React$useState4[0],\n      setPrevData = _React$useState4[1];\n\n  var _React$useState5 = React.useState(data),\n      _React$useState6 = _slicedToArray(_React$useState5, 2),\n      transitionData = _React$useState6[0],\n      setTransitionData = _React$useState6[1];\n\n  var _React$useState7 = React.useState([]),\n      _React$useState8 = _slicedToArray(_React$useState7, 2),\n      transitionRange = _React$useState8[0],\n      setTransitionRange = _React$useState8[1];\n\n  var _React$useState9 = React.useState(null),\n      _React$useState10 = _slicedToArray(_React$useState9, 2),\n      motionType = _React$useState10[0],\n      setMotionType = _React$useState10[1];\n\n  function onMotionEnd() {\n    setPrevData(data);\n    setTransitionData(data);\n    setTransitionRange([]);\n    setMotionType(null);\n    onListChangeEnd();\n  } // Do animation if expanded keys changed\n\n\n  React.useEffect(function () {\n    setPrevExpandedKeys(expandedKeys);\n    var diffExpanded = findExpandedKeys(prevExpandedKeys, expandedKeys);\n\n    if (diffExpanded.key !== null) {\n      if (diffExpanded.add) {\n        var keyIndex = prevData.findIndex(function (_ref) {\n          var key = _ref.data.key;\n          return key === diffExpanded.key;\n        });\n        var rangeNodes = getMinimumRangeTransitionRange(getExpandRange(prevData, data, diffExpanded.key), virtual, height, itemHeight);\n        var newTransitionData = prevData.slice();\n        newTransitionData.splice(keyIndex + 1, 0, MotionFlattenData);\n        setTransitionData(newTransitionData);\n        setTransitionRange(rangeNodes);\n        setMotionType('show');\n      } else {\n        var _keyIndex = data.findIndex(function (_ref2) {\n          var key = _ref2.data.key;\n          return key === diffExpanded.key;\n        });\n\n        var _rangeNodes = getMinimumRangeTransitionRange(getExpandRange(data, prevData, diffExpanded.key), virtual, height, itemHeight);\n\n        var _newTransitionData = data.slice();\n\n        _newTransitionData.splice(_keyIndex + 1, 0, MotionFlattenData);\n\n        setTransitionData(_newTransitionData);\n        setTransitionRange(_rangeNodes);\n        setMotionType('hide');\n      }\n    } else if (prevData !== data) {\n      // If whole data changed, we just refresh the list\n      setPrevData(data);\n      setTransitionData(data);\n    }\n  }, [expandedKeys, data]); // We should clean up motion if is changed by dragging\n\n  React.useEffect(function () {\n    if (!dragging) {\n      onMotionEnd();\n    }\n  }, [dragging]);\n  var mergedData = motion ? transitionData : data;\n  var treeNodeRequiredProps = {\n    expandedKeys: expandedKeys,\n    selectedKeys: selectedKeys,\n    loadedKeys: loadedKeys,\n    loadingKeys: loadingKeys,\n    checkedKeys: checkedKeys,\n    halfCheckedKeys: halfCheckedKeys,\n    dragOverNodeKey: dragOverNodeKey,\n    dropPosition: dropPosition,\n    keyEntities: keyEntities\n  };\n  return /*#__PURE__*/React.createElement(React.Fragment, null, focused && activeItem && /*#__PURE__*/React.createElement(\"span\", {\n    style: HIDDEN_STYLE,\n    \"aria-live\": \"assertive\"\n  }, getAccessibilityPath(activeItem)), /*#__PURE__*/React.createElement(\"div\", {\n    role: \"tree\"\n  }, /*#__PURE__*/React.createElement(\"input\", {\n    style: HIDDEN_STYLE,\n    disabled: focusable === false || disabled,\n    tabIndex: focusable !== false ? tabIndex : null,\n    onKeyDown: onKeyDown,\n    onFocus: onFocus,\n    onBlur: onBlur,\n    value: \"\",\n    onChange: noop\n  })), /*#__PURE__*/React.createElement(\"div\", {\n    className: \"\".concat(prefixCls, \"-treenode\"),\n    \"aria-hidden\": true,\n    style: {\n      position: 'absolute',\n      pointerEvents: 'none',\n      visibility: 'hidden',\n      height: 0,\n      overflow: 'hidden'\n    }\n  }, /*#__PURE__*/React.createElement(\"div\", {\n    className: \"\".concat(prefixCls, \"-indent\")\n  }, /*#__PURE__*/React.createElement(\"div\", {\n    ref: indentMeasurerRef,\n    className: \"\".concat(prefixCls, \"-indent-unit\")\n  }))), /*#__PURE__*/React.createElement(VirtualList, Object.assign({}, domProps, {\n    data: mergedData,\n    itemKey: itemKey,\n    height: height,\n    fullHeight: false,\n    virtual: virtual,\n    itemHeight: itemHeight,\n    prefixCls: \"\".concat(prefixCls, \"-list\"),\n    ref: listRef\n  }), function (treeNode) {\n    var pos = treeNode.pos,\n        _treeNode$data = treeNode.data,\n        key = _treeNode$data.key,\n        restProps = _objectWithoutProperties(_treeNode$data, [\"key\"]),\n        isStart = treeNode.isStart,\n        isEnd = treeNode.isEnd;\n\n    var mergedKey = getKey(key, 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_slicedToArray from \"@babel/runtime/helpers/esm/slicedToArray\";\nimport _objectWithoutProperties from \"@babel/runtime/helpers/esm/objectWithoutProperties\";\n\n/**\n * Handle virtual list of the TreeNodes.\n */\nimport * as React from 'react';\nimport VirtualList from 'rc-virtual-list';\nimport MotionTreeNode from './MotionTreeNode';\nimport { findExpandedKeys, getExpandRange } from './utils/diffUtil';\nimport { getTreeNodeProps, getKey } from './utils/treeUtil';\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 noop = function noop() {};\n\nexport var MOTION_KEY = \"RC_TREE_MOTION_\".concat(Math.random());\nvar MotionNode = {\n  key: MOTION_KEY\n};\nexport var MotionEntity = {\n  key: MOTION_KEY,\n  level: 0,\n  index: 0,\n  pos: '0',\n  node: MotionNode\n};\nvar MotionFlattenData = {\n  parent: null,\n  children: [],\n  pos: MotionEntity.pos,\n  data: MotionNode,\n\n  /** Hold empty list here since we do not use it */\n  isStart: [],\n  isEnd: []\n};\n/**\n * We only need get visible content items to play the animation.\n */\n\nexport function getMinimumRangeTransitionRange(list, virtual, height, itemHeight) {\n  if (virtual === false || !height) {\n    return list;\n  }\n\n  return list.slice(0, Math.ceil(height / itemHeight) + 1);\n}\n\nfunction itemKey(item) {\n  var key = item.data.key,\n      pos = item.pos;\n  return getKey(key, pos);\n}\n\nfunction getAccessibilityPath(item) {\n  var path = String(item.data.key);\n  var current = item;\n\n  while (current.parent) {\n    current = current.parent;\n    path = \"\".concat(current.data.key, \" > \").concat(path);\n  }\n\n  return path;\n}\n\nvar RefNodeList = function RefNodeList(props, ref) {\n  var prefixCls = props.prefixCls,\n      data = props.data,\n      selectable = props.selectable,\n      checkable = props.checkable,\n      expandedKeys = props.expandedKeys,\n      selectedKeys = props.selectedKeys,\n      checkedKeys = props.checkedKeys,\n      loadedKeys = props.loadedKeys,\n      loadingKeys = props.loadingKeys,\n      halfCheckedKeys = props.halfCheckedKeys,\n      keyEntities = props.keyEntities,\n      disabled = props.disabled,\n      dragging = props.dragging,\n      dragOverNodeKey = props.dragOverNodeKey,\n      dropPosition = props.dropPosition,\n      motion = props.motion,\n      height = props.height,\n      itemHeight = props.itemHeight,\n      virtual = props.virtual,\n      focusable = props.focusable,\n      activeItem = props.activeItem,\n      focused = props.focused,\n      tabIndex = props.tabIndex,\n      onKeyDown = props.onKeyDown,\n      onFocus = props.onFocus,\n      onBlur = props.onBlur,\n      onActiveChange = props.onActiveChange,\n      onListChangeStart = props.onListChangeStart,\n      onListChangeEnd = props.onListChangeEnd,\n      domProps = _objectWithoutProperties(props, [\"prefixCls\", \"data\", \"selectable\", \"checkable\", \"expandedKeys\", \"selectedKeys\", \"checkedKeys\", \"loadedKeys\", \"loadingKeys\", \"halfCheckedKeys\", \"keyEntities\", \"disabled\", \"dragging\", \"dragOverNodeKey\", \"dropPosition\", \"motion\", \"height\", \"itemHeight\", \"virtual\", \"focusable\", \"activeItem\", \"focused\", \"tabIndex\", \"onKeyDown\", \"onFocus\", \"onBlur\", \"onActiveChange\", \"onListChangeStart\", \"onListChangeEnd\"]); // =============================== Ref ================================\n\n\n  var listRef = React.useRef(null);\n  var indentMeasurerRef = React.useRef(null);\n  React.useImperativeHandle(ref, function () {\n    return {\n      scrollTo: function scrollTo(scroll) {\n        listRef.current.scrollTo(scroll);\n      },\n      getIndentWidth: function getIndentWidth() {\n        return indentMeasurerRef.current.offsetWidth;\n      }\n    };\n  }); // ============================== Motion ==============================\n\n  var _React$useState = React.useState(expandedKeys),\n      _React$useState2 = _slicedToArray(_React$useState, 2),\n      prevExpandedKeys = _React$useState2[0],\n      setPrevExpandedKeys = _React$useState2[1];\n\n  var _React$useState3 = React.useState(data),\n      _React$useState4 = _slicedToArray(_React$useState3, 2),\n      prevData = _React$useState4[0],\n      setPrevData = _React$useState4[1];\n\n  var _React$useState5 = React.useState(data),\n      _React$useState6 = _slicedToArray(_React$useState5, 2),\n      transitionData = _React$useState6[0],\n      setTransitionData = _React$useState6[1];\n\n  var _React$useState7 = React.useState([]),\n      _React$useState8 = _slicedToArray(_React$useState7, 2),\n      transitionRange = _React$useState8[0],\n      setTransitionRange = _React$useState8[1];\n\n  var _React$useState9 = React.useState(null),\n      _React$useState10 = _slicedToArray(_React$useState9, 2),\n      motionType = _React$useState10[0],\n      setMotionType = _React$useState10[1];\n\n  function onMotionEnd() {\n    setPrevData(data);\n    setTransitionData(data);\n    setTransitionRange([]);\n    setMotionType(null);\n    onListChangeEnd();\n  } // Do animation if expanded keys changed\n\n\n  React.useEffect(function () {\n    setPrevExpandedKeys(expandedKeys);\n    var diffExpanded = findExpandedKeys(prevExpandedKeys, expandedKeys);\n\n    if (diffExpanded.key !== null) {\n      if (diffExpanded.add) {\n        var keyIndex = prevData.findIndex(function (_ref) {\n          var key = _ref.data.key;\n          return key === diffExpanded.key;\n        });\n        var rangeNodes = getMinimumRangeTransitionRange(getExpandRange(prevData, data, diffExpanded.key), virtual, height, itemHeight);\n        var newTransitionData = prevData.slice();\n        newTransitionData.splice(keyIndex + 1, 0, MotionFlattenData);\n        setTransitionData(newTransitionData);\n        setTransitionRange(rangeNodes);\n        setMotionType('show');\n      } else {\n        var _keyIndex = data.findIndex(function (_ref2) {\n          var key = _ref2.data.key;\n          return key === diffExpanded.key;\n        });\n\n        var _rangeNodes = getMinimumRangeTransitionRange(getExpandRange(data, prevData, diffExpanded.key), virtual, height, itemHeight);\n\n        var _newTransitionData = data.slice();\n\n        _newTransitionData.splice(_keyIndex + 1, 0, MotionFlattenData);\n\n        setTransitionData(_newTransitionData);\n        setTransitionRange(_rangeNodes);\n        setMotionType('hide');\n      }\n    } else if (prevData !== data) {\n      // If whole data changed, we just refresh the list\n      setPrevData(data);\n      setTransitionData(data);\n    }\n  }, [expandedKeys, data]); // We should clean up motion if is changed by dragging\n\n  React.useEffect(function () {\n    if (!dragging) {\n      onMotionEnd();\n    }\n  }, [dragging]);\n  var mergedData = motion ? transitionData : data;\n  var treeNodeRequiredProps = {\n    expandedKeys: expandedKeys,\n    selectedKeys: selectedKeys,\n    loadedKeys: loadedKeys,\n    loadingKeys: loadingKeys,\n    checkedKeys: checkedKeys,\n    halfCheckedKeys: halfCheckedKeys,\n    dragOverNodeKey: dragOverNodeKey,\n    dropPosition: dropPosition,\n    keyEntities: keyEntities\n  };\n  return /*#__PURE__*/React.createElement(React.Fragment, null, focused && activeItem && /*#__PURE__*/React.createElement(\"span\", {\n    style: HIDDEN_STYLE,\n    \"aria-live\": \"assertive\"\n  }, getAccessibilityPath(activeItem)), /*#__PURE__*/React.createElement(\"div\", {\n    role: \"tree\"\n  }, /*#__PURE__*/React.createElement(\"input\", {\n    style: HIDDEN_STYLE,\n    disabled: focusable === false || disabled,\n    tabIndex: focusable !== false ? tabIndex : null,\n    onKeyDown: onKeyDown,\n    onFocus: onFocus,\n    onBlur: onBlur,\n    value: \"\",\n    onChange: noop\n  })), /*#__PURE__*/React.createElement(\"div\", {\n    className: \"\".concat(prefixCls, \"-treenode\"),\n    \"aria-hidden\": true,\n    style: {\n      position: 'absolute',\n      pointerEvents: 'none',\n      visibility: 'hidden',\n      height: 0,\n      overflow: 'hidden'\n    }\n  }, /*#__PURE__*/React.createElement(\"div\", {\n    className: \"\".concat(prefixCls, \"-indent\")\n  }, /*#__PURE__*/React.createElement(\"div\", {\n    ref: indentMeasurerRef,\n    className: \"\".concat(prefixCls, \"-indent-unit\")\n  }))), /*#__PURE__*/React.createElement(VirtualList, Object.assign({}, domProps, {\n    data: mergedData,\n    itemKey: itemKey,\n    height: height,\n    fullHeight: false,\n    virtual: virtual,\n    itemHeight: itemHeight,\n    prefixCls: \"\".concat(prefixCls, \"-list\"),\n    ref: listRef\n  }), function (treeNode) {\n    var pos = treeNode.pos,\n        _treeNode$data = treeNode.data,\n        key = _treeNode$data.key,\n        restProps = _objectWithoutProperties(_treeNode$data, [\"key\"]),\n        isStart = treeNode.isStart,\n        isEnd = treeNode.isEnd;\n\n    var mergedKey = getKey(key, pos);\n    delete restProps.children;\n    var treeNodeProps = getTreeNodeProps(mergedKey, treeNodeRequiredProps);\n    return /*#__PURE__*/React.createElement(MotionTreeNode, Object.assign({}, restProps, treeNodeProps, {\n      active: !!activeItem && key === activeItem.data.key,\n      pos: pos,\n      data: treeNode.data,\n      isStart: isStart,\n      isEnd: isEnd,\n      motion: motion,\n      motionNodes: key === MOTION_KEY ? transitionRange : null,\n      motionType: motionType,\n      onMotionStart: onListChangeStart,\n      onMotionEnd: onMotionEnd,\n      treeNodeRequiredProps: treeNodeRequiredProps,\n      onMouseMove: function onMouseMove() {\n        onActiveChange(null);\n      }\n    }));\n  }));\n};\n\nvar NodeList = /*#__PURE__*/React.forwardRef(RefNodeList);\nNodeList.displayName = 'NodeList';\nexport default NodeList;"]},"metadata":{},"sourceType":"module"}