{"ast":null,"code":"import _slicedToArray from \"@babel/runtime/helpers/esm/slicedToArray\";\nimport _typeof from \"@babel/runtime/helpers/esm/typeof\";\n/**\n * Removed props:\n *  - childrenProps\n */\n\nimport React from 'react';\nimport { composeRef } from \"rc-util/es/ref\";\nimport isVisible from \"rc-util/es/Dom/isVisible\";\nimport { alignElement, alignPoint } from 'dom-align';\nimport addEventListener from \"rc-util/es/Dom/addEventListener\";\nimport { isSamePoint, restoreFocus, monitorResize } from './util';\nimport useBuffer from './hooks/useBuffer';\n\nfunction getElement(func) {\n  if (typeof func !== 'function') return null;\n  return func();\n}\n\nfunction getPoint(point) {\n  if (_typeof(point) !== 'object' || !point) return null;\n  return point;\n}\n\nvar Align = function Align(_ref, ref) {\n  var children = _ref.children,\n      disabled = _ref.disabled,\n      target = _ref.target,\n      align = _ref.align,\n      onAlign = _ref.onAlign,\n      monitorWindowResize 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getElement(latestTarget);\n      var point = getPoint(latestTarget);\n      cacheRef.current.element = element;\n      cacheRef.current.point = point; // IE lose focus after element realign\n      // We should record activeElement and restore later\n\n      var _document = document,\n          activeElement = _document.activeElement; // We only align when element is visible\n\n      if (element && isVisible(element)) {\n        result = alignElement(source, element, align);\n      } else if (point) {\n        result = alignPoint(source, point, align);\n      }\n\n      restoreFocus(activeElement, source);\n\n      if (latestOnAlign && result) {\n        latestOnAlign(source, result);\n      }\n\n      return true;\n    }\n\n    return false;\n  }, monitorBufferTime),\n      _useBuffer2 = _slicedToArray(_useBuffer, 2),\n      _forceAlign = _useBuffer2[0],\n      cancelForceAlign = _useBuffer2[1]; // ===================== Effect =====================\n  // Listen for target updated\n\n\n  var resizeMonitor = React.useRef({\n    cancel: function cancel() {}\n  }); // Listen for source updated\n\n  var sourceResizeMonitor = React.useRef({\n    cancel: function cancel() {}\n  });\n  React.useEffect(function () {\n    var element = getElement(target);\n    var point = getPoint(target);\n\n    if (nodeRef.current !== sourceResizeMonitor.current.element) {\n      sourceResizeMonitor.current.cancel();\n      sourceResizeMonitor.current.element = nodeRef.current;\n      sourceResizeMonitor.current.cancel = monitorResize(nodeRef.current, _forceAlign);\n    }\n\n    if (cacheRef.current.element !== element || !isSamePoint(cacheRef.current.point, point)) {\n      _forceAlign(); // Add resize observer\n\n\n      if (resizeMonitor.current.element !== element) {\n        resizeMonitor.current.cancel();\n        resizeMonitor.current.element = element;\n        resizeMonitor.current.cancel = monitorResize(element, _forceAlign);\n      }\n    }\n  }); // Listen for disabled change\n\n  React.useEffect(function () {\n    if (!disabled) {\n      _forceAlign();\n    } else {\n      cancelForceAlign();\n    }\n  }, [disabled]); // Listen for window resize\n\n  var winResizeRef = React.useRef(null);\n  React.useEffect(function () {\n    if (monitorWindowResize) {\n      if (!winResizeRef.current) {\n        winResizeRef.current = addEventListener(window, 'resize', _forceAlign);\n      }\n    } else if (winResizeRef.current) {\n      winResizeRef.current.remove();\n      winResizeRef.current = null;\n    }\n  }, [monitorWindowResize]); // Clear all if unmount\n\n  React.useEffect(function () {\n    return function () {\n      resizeMonitor.current.cancel();\n      sourceResizeMonitor.current.cancel();\n      if (winResizeRef.current) winResizeRef.current.remove();\n      cancelForceAlign();\n    };\n  }, []); // ====================== Ref =======================\n\n  React.useImperativeHandle(ref, function () {\n    return {\n      forceAlign: function forceAlign() {\n        return _forceAlign(true);\n      }\n    };\n  }); // ===================== Render =====================\n\n  if (React.isValidElement(childNode)) {\n    childNode = React.cloneElement(childNode, {\n      ref: composeRef(childNode.ref, nodeRef)\n    });\n  }\n\n  return childNode;\n};\n\nvar RefAlign = React.forwardRef(Align);\nRefAlign.displayName = 'Align';\nexport default 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getElement(latestTarget);\n      var point = getPoint(latestTarget);\n      cacheRef.current.element = element;\n      cacheRef.current.point = point; // IE lose focus after element realign\n      // We should record activeElement and restore later\n\n      var _document = document,\n          activeElement = _document.activeElement; // We only align when element is visible\n\n      if (element && isVisible(element)) {\n        result = alignElement(source, element, align);\n      } else if (point) {\n        result = alignPoint(source, point, align);\n      }\n\n      restoreFocus(activeElement, source);\n\n      if (latestOnAlign && result) {\n        latestOnAlign(source, result);\n      }\n\n      return true;\n    }\n\n    return false;\n  }, monitorBufferTime),\n      _useBuffer2 = _slicedToArray(_useBuffer, 2),\n      _forceAlign = _useBuffer2[0],\n      cancelForceAlign = _useBuffer2[1]; // ===================== Effect =====================\n  // Listen for target updated\n\n\n  var resizeMonitor = React.useRef({\n    cancel: function cancel() {}\n  }); // Listen for source updated\n\n  var sourceResizeMonitor = React.useRef({\n    cancel: function cancel() {}\n  });\n  React.useEffect(function () {\n    var element = getElement(target);\n    var point = getPoint(target);\n\n    if (nodeRef.current !== sourceResizeMonitor.current.element) {\n      sourceResizeMonitor.current.cancel();\n      sourceResizeMonitor.current.element = nodeRef.current;\n      sourceResizeMonitor.current.cancel = monitorResize(nodeRef.current, _forceAlign);\n    }\n\n    if (cacheRef.current.element !== element || !isSamePoint(cacheRef.current.point, point)) {\n      _forceAlign(); // Add resize observer\n\n\n      if (resizeMonitor.current.element !== element) {\n        resizeMonitor.current.cancel();\n        resizeMonitor.current.element = element;\n        resizeMonitor.current.cancel = monitorResize(element, _forceAlign);\n      }\n    }\n  }); // Listen for disabled change\n\n  React.useEffect(function () {\n    if (!disabled) {\n      _forceAlign();\n    } else {\n      cancelForceAlign();\n    }\n  }, [disabled]); // Listen for window resize\n\n  var winResizeRef = React.useRef(null);\n  React.useEffect(function () {\n    if (monitorWindowResize) {\n      if (!winResizeRef.current) {\n        winResizeRef.current = addEventListener(window, 'resize', _forceAlign);\n      }\n    } else if (winResizeRef.current) {\n      winResizeRef.current.remove();\n      winResizeRef.current = null;\n    }\n  }, [monitorWindowResize]); // Clear all if unmount\n\n  React.useEffect(function () {\n    return function () {\n      resizeMonitor.current.cancel();\n      sourceResizeMonitor.current.cancel();\n      if (winResizeRef.current) winResizeRef.current.remove();\n      cancelForceAlign();\n    };\n  }, []); // ====================== Ref =======================\n\n  React.useImperativeHandle(ref, function () {\n    return {\n      forceAlign: function forceAlign() {\n    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