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Object.setPrototypeOf.bind() : function (t, e) {\n    return t.__proto__ = e, t;\n  }, _setPrototypeOf(t, e);\n}\nexport { _setPrototypeOf as default };","import setPrototypeOf from \"./setPrototypeOf.js\";\nfunction _inherits(t, e) {\n  if (\"function\" != typeof e && null !== e) throw new TypeError(\"Super expression must either be null or a function\");\n  t.prototype = Object.create(e && e.prototype, {\n    constructor: {\n      value: t,\n      writable: !0,\n      configurable: !0\n    }\n  }), Object.defineProperty(t, \"prototype\", {\n    writable: !1\n  }), e && setPrototypeOf(t, e);\n}\nexport { _inherits as default };","function _getPrototypeOf(t) {\n  return _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf.bind() : function (t) {\n    return t.__proto__ || Object.getPrototypeOf(t);\n  }, _getPrototypeOf(t);\n}\nexport { _getPrototypeOf as default };","function _isNativeReflectConstruct() {\n  try {\n    var t = !Boolean.prototype.valueOf.call(Reflect.construct(Boolean, [], function () {}));\n  } catch (t) {}\n  return (_isNativeReflectConstruct = function _isNativeReflectConstruct() {\n    return !!t;\n  })();\n}\nexport { _isNativeReflectConstruct as default };","function _assertThisInitialized(e) {\n  if (void 0 === e) throw new ReferenceError(\"this hasn't been initialised - super() hasn't been called\");\n  return e;\n}\nexport { _assertThisInitialized as default };","import _typeof from \"./typeof.js\";\nimport assertThisInitialized from \"./assertThisInitialized.js\";\nfunction _possibleConstructorReturn(t, e) {\n  if (e && (\"object\" == _typeof(e) || \"function\" == typeof e)) return e;\n  if (void 0 !== e) throw new TypeError(\"Derived constructors may only return object or undefined\");\n  return assertThisInitialized(t);\n}\nexport { _possibleConstructorReturn as default };","import getPrototypeOf from \"./getPrototypeOf.js\";\nimport isNativeReflectConstruct from \"./isNativeReflectConstruct.js\";\nimport possibleConstructorReturn from \"./possibleConstructorReturn.js\";\nfunction _createSuper(t) {\n  var r = isNativeReflectConstruct();\n  return function () {\n    var e,\n      o = getPrototypeOf(t);\n    if (r) {\n      var s = getPrototypeOf(this).constructor;\n      e = Reflect.construct(o, arguments, s);\n    } else e = o.apply(this, arguments);\n    return possibleConstructorReturn(this, e);\n  };\n}\nexport { _createSuper as default };","import _classCallCheck from \"@babel/runtime/helpers/esm/classCallCheck\";\nimport _createClass from \"@babel/runtime/helpers/esm/createClass\";\nimport _inherits from \"@babel/runtime/helpers/esm/inherits\";\nimport _createSuper from \"@babel/runtime/helpers/esm/createSuper\";\nimport * as React from 'react';\n/**\n * Fallback to findDOMNode if origin ref do not provide any dom element\n */\nvar DomWrapper = /*#__PURE__*/function (_React$Component) {\n  _inherits(DomWrapper, _React$Component);\n  var _super = _createSuper(DomWrapper);\n  function DomWrapper() {\n    _classCallCheck(this, DomWrapper);\n    return _super.apply(this, arguments);\n  }\n  _createClass(DomWrapper, [{\n    key: \"render\",\n    value: function render() {\n      return this.props.children;\n    }\n  }]);\n  return DomWrapper;\n}(React.Component);\nexport { DomWrapper as default };","import _objectSpread from \"@babel/runtime/helpers/esm/objectSpread2\";\nimport _typeof from \"@babel/runtime/helpers/esm/typeof\";\nimport findDOMNode from \"rc-util/es/Dom/findDOMNode\";\nimport { supportRef, useComposeRef } from \"rc-util/es/ref\";\nimport * as React from 'react';\nimport { CollectionContext } from \"../Collection\";\nimport { observe, unobserve } from \"../utils/observerUtil\";\nimport DomWrapper from \"./DomWrapper\";\nfunction SingleObserver(props, ref) {\n  var children = props.children,\n    disabled = props.disabled;\n  var elementRef = React.useRef(null);\n  var wrapperRef = React.useRef(null);\n  var onCollectionResize = React.useContext(CollectionContext);\n\n  // =========================== Children ===========================\n  var isRenderProps = typeof children === 'function';\n  var mergedChildren = isRenderProps ? children(elementRef) : children;\n\n  // ============================= Size =============================\n  var sizeRef = React.useRef({\n    width: -1,\n    height: -1,\n    offsetWidth: -1,\n    offsetHeight: -1\n  });\n\n  // ============================= Ref ==============================\n  var canRef = !isRenderProps && /*#__PURE__*/React.isValidElement(mergedChildren) && supportRef(mergedChildren);\n  var originRef = canRef ? mergedChildren.ref : null;\n  var mergedRef = useComposeRef(originRef, elementRef);\n  var getDom = function getDom() {\n    var _elementRef$current;\n    return findDOMNode(elementRef.current) || (\n    // Support `nativeElement` format\n    elementRef.current && _typeof(elementRef.current) === 'object' ? findDOMNode((_elementRef$current = elementRef.current) === null || _elementRef$current === void 0 ? void 0 : _elementRef$current.nativeElement) : null) || findDOMNode(wrapperRef.current);\n  };\n  React.useImperativeHandle(ref, function () {\n    return getDom();\n  });\n\n  // =========================== Observe ============================\n  var propsRef = React.useRef(props);\n  propsRef.current = props;\n\n  // Handler\n  var onInternalResize = React.useCallback(function (target) {\n    var _propsRef$current = propsRef.current,\n      onResize = _propsRef$current.onResize,\n      data = _propsRef$current.data;\n    var _target$getBoundingCl = target.getBoundingClientRect(),\n      width = _target$getBoundingCl.width,\n      height = _target$getBoundingCl.height;\n    var offsetWidth = target.offsetWidth,\n      offsetHeight = target.offsetHeight;\n\n    /**\n     * Resize observer trigger when content size changed.\n     * In most case we just care about element size,\n     * let's use `boundary` instead of `contentRect` here to avoid shaking.\n     */\n    var fixedWidth = Math.floor(width);\n    var fixedHeight = Math.floor(height);\n    if (sizeRef.current.width !== fixedWidth || sizeRef.current.height !== fixedHeight || sizeRef.current.offsetWidth !== offsetWidth || sizeRef.current.offsetHeight !== offsetHeight) {\n      var size = {\n        width: fixedWidth,\n        height: fixedHeight,\n        offsetWidth: offsetWidth,\n        offsetHeight: offsetHeight\n      };\n      sizeRef.current = size;\n\n      // IE is strange, right?\n      var mergedOffsetWidth = offsetWidth === Math.round(width) ? width : offsetWidth;\n      var mergedOffsetHeight = offsetHeight === Math.round(height) ? height : offsetHeight;\n      var sizeInfo = _objectSpread(_objectSpread({}, size), {}, {\n        offsetWidth: mergedOffsetWidth,\n        offsetHeight: mergedOffsetHeight\n      });\n\n      // Let collection know what happened\n      onCollectionResize === null || onCollectionResize === void 0 || onCollectionResize(sizeInfo, target, data);\n      if (onResize) {\n        // defer the callback but not defer to next frame\n        Promise.resolve().then(function () {\n          onResize(sizeInfo, target);\n        });\n      }\n    }\n  }, []);\n\n  // Dynamic observe\n  React.useEffect(function () {\n    var currentElement = getDom();\n    if (currentElement && !disabled) {\n      observe(currentElement, onInternalResize);\n    }\n    return function () {\n      return unobserve(currentElement, onInternalResize);\n    };\n  }, [elementRef.current, disabled]);\n\n  // ============================ Render ============================\n  return /*#__PURE__*/React.createElement(DomWrapper, {\n    ref: wrapperRef\n  }, canRef ? /*#__PURE__*/React.cloneElement(mergedChildren, {\n    ref: mergedRef\n  }) : mergedChildren);\n}\nvar RefSingleObserver = /*#__PURE__*/React.forwardRef(SingleObserver);\nif (process.env.NODE_ENV !== 'production') {\n  RefSingleObserver.displayName = 'SingleObserver';\n}\nexport default RefSingleObserver;","import _extends from \"@babel/runtime/helpers/esm/extends\";\nimport * as React from 'react';\nimport toArray from \"rc-util/es/Children/toArray\";\nimport { warning } from \"rc-util/es/warning\";\nimport SingleObserver from \"./SingleObserver\";\nimport { Collection } from \"./Collection\";\nvar INTERNAL_PREFIX_KEY = 'rc-observer-key';\nimport { _rs } from \"./utils/observerUtil\";\nexport { /** @private Test only for mock trigger resize event */\n_rs };\nfunction ResizeObserver(props, ref) {\n  var children = props.children;\n  var childNodes = typeof children === 'function' ? [children] : toArray(children);\n  if (process.env.NODE_ENV !== 'production') {\n    if (childNodes.length > 1) {\n      warning(false, 'Find more than one child node with `children` in ResizeObserver. Please use ResizeObserver.Collection instead.');\n    } else if (childNodes.length === 0) {\n      warning(false, '`children` of ResizeObserver is empty. Nothing is in observe.');\n    }\n  }\n  return childNodes.map(function (child, index) {\n    var key = (child === null || child === void 0 ? void 0 : child.key) || \"\".concat(INTERNAL_PREFIX_KEY, \"-\").concat(index);\n    return /*#__PURE__*/React.createElement(SingleObserver, _extends({}, props, {\n      key: key,\n      ref: index === 0 ? ref : undefined\n    }), child);\n  });\n}\nvar RefResizeObserver = /*#__PURE__*/React.forwardRef(ResizeObserver);\nif (process.env.NODE_ENV !== 'production') {\n  RefResizeObserver.displayName = 'ResizeObserver';\n}\nRefResizeObserver.Collection = Collection;\nexport default RefResizeObserver;"],"sourceRoot":""}