text: import _extends from "@babel/runtime/helpers/esm/extends";
  import _objectWithoutPropertiesLoose from "@babel/runtime/helpers/esm/objectWithoutPropertiesLoose";
  import _inheritsLoose from "@babel/runtime/helpers/esm/inheritsLoose";
  import contains from 'dom-helpers/contains';
  import React, { cloneElement, useCallback, useRef } from 'react';
  import useTimeout from '@restart/hooks/useTimeout';
  import safeFindDOMNode from 'react-overlays/safeFindDOMNode';
  import warning from 'warning';
  import { useUncontrolledProp } from 'uncontrollable';
  import Overlay from './Overlay';
  
  var RefHolder = /*#__PURE__*/function (_React$Component) {
    _inheritsLoose(RefHolder, _React$Component);
  
    function RefHolder() {
      return _React$Component.apply(this, arguments) || this;
    }
  
    var _proto = RefHolder.prototype;
  
    _proto.render = function render() {
      return this.props.children;
    };
  
    return RefHolder;
  }(React.Component);
  
  function normalizeDelay(delay) {
    return delay && typeof delay === 'object' ? delay : {
      show: delay,
      hide: delay
    };
  } // Simple implementation of mouseEnter and mouseLeave.
  // React's built version is broken: https://github.com/facebook/react/issues/4251
  // for cases when the trigger is disabled and mouseOut/Over can cause flicker
  // moving from one child element to another.
  
  
  function handleMouseOverOut(handler, args, relatedNative) {
    var e = args[0];
    var target = e.currentTarget;
    var related = e.relatedTarget || e.nativeEvent[relatedNative];
  
    if ((!related || related !== target) && !contains(target, related)) {
      handler.apply(void 0, args);
    }
  }
  
  var defaultProps = {
    defaultShow: false,
    trigger: ['hover', 'focus']
  };
  
  function OverlayTrigger(_ref) {
    var trigger = _ref.trigger,
        overlay = _ref.overlay,
        children = _ref.children,
        _ref$popperConfig = _ref.popperConfig,
        popperConfig = _ref$popperConfig === void 0 ? {} : _ref$popperConfig,
        propsShow = _ref.show,
        _ref$defaultShow = _ref.defaultShow,
        defaultShow = _ref$defaultShow === void 0 ? false : _ref$defaultShow,
        onToggle = _ref.onToggle,
        propsDelay = _ref.delay,
        placement = _ref.placement,
        _ref$flip = _ref.flip,
        flip = _ref$flip === void 0 ? placement && placement.indexOf('auto') !== -1 : _ref$flip,
        props = _objectWithoutPropertiesLoose(_ref, ["trigger", "overlay", "children", "popperConfig", "show", "defaultShow", "onToggle", "delay", "placement", "flip"]);
  
    var triggerNodeRef = useRef(null);
    var timeout = useTimeout();
    var hoverStateRef = useRef('');
  
    var _useUncontrolledProp = useUncontrolledProp(propsShow, defaultShow, onToggle),
        show = _useUncontrolledProp[0],
        setShow = _useUncontrolledProp[1];
  
    var delay = normalizeDelay(propsDelay);
  
    var _ref2 = typeof children !== 'function' ? React.Children.only(children).props : {},
        onFocus = _ref2.onFocus,
        onBlur = _ref2.onBlur,
        onClick = _ref2.onClick;
  
    var getTarget = useCallback(function () {
      return safeFindDOMNode(triggerNodeRef.current);
    }, []);
    var handleShow = useCallback(function () {
      timeout.clear();
      hoverStateRef.current = 'show';
  
      if (!delay.show) {
        setShow(true);
        return;
      }
  
      timeout.set(function () {
        if (hoverStateRef.current === 'show') setShow(true);
      }, delay.show);
    }, [delay.show, setShow, timeout]);
    var handleHide = useCallback(function () {
      timeout.clear();
      hoverStateRef.current = 'hide';
  
      if (!delay.hide) {
        setShow(false);
        return;
      }
  
      timeout.set(function () {
        if (hoverStateRef.current === 'hide') setShow(false);
      }, delay.hide);
    }, [delay.hide, setShow, timeout]);
    var handleFocus = useCallback(function () {
      handleShow();
  
      for (var _len = arguments.length, args = new Array(_len), _key = 0; _key < _len; _key++) {
        args[_key] = arguments[_key];
      }
  
      onFocus == null ? void 0 : onFocus.apply(void 0, args);
    }, [handleShow, onFocus]);
    var handleBlur = useCallback(function () {
      handleHide();
  
      for (var _len2 = arguments.length, args = new Array(_len2), _key2 = 0; _key2 < _len2; _key2++) {
        args[_key2] = arguments[_key2];
      }
  
      onBlur == null ? void 0 : onBlur.apply(void 0, args);
    }, [handleHide, onBlur]);
    var handleClick = useCallback(function () {
      setShow(!show);
      if (onClick) onClick.apply(void 0, arguments);
    }, [onClick, setShow, show]);
    var handleMouseOver = useCallback(function () {
      for (var _len3 = arguments.length, args = new Array(_len3), _key3 = 0; _key3 < _len3; _key3++) {
        args[_key3] = arguments[_key3];
      }
  
      handleMouseOverOut(handleShow, args, 'fromElement');
    }, [handleShow]);
    var handleMouseOut = useCallback(function () {
      for (var _len4 = arguments.length, args = new Array(_len4), _key4 = 0; _key4 < _len4; _key4++) {
        args[_key4] = arguments[_key4];
      }
  
      handleMouseOverOut(handleHide, args, 'toElement');
    }, [handleHide]);
    var triggers = trigger == null ? [] : [].concat(trigger);
    var triggerProps = {};
  
    if (triggers.indexOf('click') !== -1) {
      triggerProps.onClick = handleClick;
    }
  
    if (triggers.indexOf('focus') !== -1) {
      triggerProps.onFocus = handleFocus;
      triggerProps.onBlur = handleBlur;
    }
  
    if (triggers.indexOf('hover') !== -1) {
      process.env.NODE_ENV !== "production" ? warning(triggers.length > 1, '[react-bootstrap] Specifying only the `"hover"` trigger limits the visibility of the overlay to just mouse users. Consider also including the `"focus"` trigger so that touch and keyboard only users can see the overlay as well.') : void 0;
      triggerProps.onMouseOver = handleMouseOver;
      triggerProps.onMouseOut = handleMouseOut;
    }
  
    return /*#__PURE__*/React.createElement(React.Fragment, null, typeof children === 'function' ? children(_extends({}, triggerProps, {
      ref: triggerNodeRef
    })) : /*#__PURE__*/React.createElement(RefHolder, {
      ref: triggerNodeRef
    }, cloneElement(children, triggerProps)), /*#__PURE__*/React.createElement(Overlay, _extends({}, props, {
      show: show,
      onHide: handleHide,
      flip: flip,
      placement: placement,
      popperConfig: popperConfig,
      target: getTarget
    }), overlay));
  }
  
  OverlayTrigger.defaultProps = defaultProps;
  export default OverlayTrigger;