function _typeof(o) { "@babel/helpers - typeof"; return _typeof = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ? function (o) { return typeof o; } : function (o) { return o && "function" == typeof Symbol && o.constructor === Symbol && o !== Symbol.prototype ? "symbol" : typeof o; }, _typeof(o); }
var _excluded = ["children", "overlayRef", "targetRef"];
function _objectWithoutProperties(e, t) { if (null == e) return {}; var o, r, i = _objectWithoutPropertiesLoose(e, t); if (Object.getOwnPropertySymbols) { var n = Object.getOwnPropertySymbols(e); for (r = 0; r < n.length; r++) o = n[r], -1 === t.indexOf(o) && {}.propertyIsEnumerable.call(e, o) && (i[o] = e[o]); } return i; }
function _objectWithoutPropertiesLoose(r, e) { if (null == r) return {}; var t = {}; for (var n in r) if ({}.hasOwnProperty.call(r, n)) { if (-1 !== e.indexOf(n)) continue; t[n] = r[n]; } return t; }
function _toConsumableArray(r) { return _arrayWithoutHoles(r) || _iterableToArray(r) || _unsupportedIterableToArray(r) || _nonIterableSpread(); }
function _nonIterableSpread() { throw new TypeError("Invalid attempt to spread non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); }
function _iterableToArray(r) { if ("undefined" != typeof Symbol && null != r[Symbol.iterator] || null != r["@@iterator"]) return Array.from(r); }
function _arrayWithoutHoles(r) { if (Array.isArray(r)) return _arrayLikeToArray(r); }
function ownKeys(e, r) { var t = Object.keys(e); if (Object.getOwnPropertySymbols) { var o = Object.getOwnPropertySymbols(e); r && (o = o.filter(function (r) { return Object.getOwnPropertyDescriptor(e, r).enumerable; })), t.push.apply(t, o); } return t; }
function _objectSpread(e) { for (var r = 1; r < arguments.length; r++) { var t = null != arguments[r] ? arguments[r] : {}; r % 2 ? ownKeys(Object(t), !0).forEach(function (r) { _defineProperty(e, r, t[r]); }) : Object.getOwnPropertyDescriptors ? Object.defineProperties(e, Object.getOwnPropertyDescriptors(t)) : ownKeys(Object(t)).forEach(function (r) { Object.defineProperty(e, r, Object.getOwnPropertyDescriptor(t, r)); }); } return e; }
function _defineProperty(e, r, t) { return (r = _toPropertyKey(r)) in e ? Object.defineProperty(e, r, { value: t, enumerable: !0, configurable: !0, writable: !0 }) : e[r] = t, e; }
function _toPropertyKey(t) { var i = _toPrimitive(t, "string"); return "symbol" == _typeof(i) ? i : i + ""; }
function _toPrimitive(t, r) { if ("object" != _typeof(t) || !t) return t; var e = t[Symbol.toPrimitive]; if (void 0 !== e) { var i = e.call(t, r || "default"); if ("object" != _typeof(i)) return i; throw new TypeError("@@toPrimitive must return a primitive value."); } return ("string" === r ? String : Number)(t); }
function _slicedToArray(r, e) { return _arrayWithHoles(r) || _iterableToArrayLimit(r, e) || _unsupportedIterableToArray(r, e) || _nonIterableRest(); }
function _nonIterableRest() { throw new TypeError("Invalid attempt to destructure non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); }
function _unsupportedIterableToArray(r, a) { if (r) { if ("string" == typeof r) return _arrayLikeToArray(r, a); var t = {}.toString.call(r).slice(8, -1); return "Object" === t && r.constructor && (t = r.constructor.name), "Map" === t || "Set" === t ? Array.from(r) : "Arguments" === t || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(t) ? _arrayLikeToArray(r, a) : void 0; } }
function _arrayLikeToArray(r, a) { (null == a || a > r.length) && (a = r.length); for (var e = 0, n = Array(a); e < a; e++) n[e] = r[e]; return n; }
function _iterableToArrayLimit(r, l) { var t = null == r ? null : "undefined" != typeof Symbol && r[Symbol.iterator] || r["@@iterator"]; if (null != t) { var e, n, i, u, a = [], f = !0, o = !1; try { if (i = (t = t.call(r)).next, 0 === l) { if (Object(t) !== t) return; f = !1; } else for (; !(f = (e = i.call(t)).done) && (a.push(e.value), a.length !== l); f = !0); } catch (r) { o = !0, n = r; } finally { try { if (!f && null != t["return"] && (u = t["return"](), Object(u) !== u)) return; } finally { if (o) throw n; } } return a; } }
function _arrayWithHoles(r) { if (Array.isArray(r)) return r; }
import React from 'react';
import { getBoundingRect } from '../_utils/dom';
import { getAnchorPosition } from '../_utils/getAnchorPosition';
import { useLayoutEventListener } from './EventListener';

/* TYPES */

/**
 * @deprecatedSince 9
 * @deprecated Never officially documented/supported
 */

/**
 * @deprecatedSince 9
 * @deprecated Never officially documented/supported
 */

/**
 * @deprecatedSince 9
 * @deprecated Never officially documented/supported
 */

/**
 * @deprecatedSince 9
 * @deprecated Never officially documented/supported
 */
export var initAnchor = {
  left: 0,
  minWidth: 0,
  placement: 'bottom-left',
  top: 0
};

/* HOOK */
/**
 * @deprecatedSince 9
 * @deprecated Never officially documented/supported
 */
export function useAnchor(_ref) {
  var _ref$canFlip = _ref.canFlip,
    canFlip = _ref$canFlip === void 0 ? true : _ref$canFlip,
    _ref$dependencies = _ref.dependencies,
    dependencies = _ref$dependencies === void 0 ? [] : _ref$dependencies,
    _ref$onLayout = _ref.onLayout,
    onLayout = _ref$onLayout === void 0 ? function () {} : _ref$onLayout,
    _ref$padding = _ref.padding,
    padding = _ref$padding === void 0 ? 0 : _ref$padding,
    _ref$placement = _ref.placement,
    placement = _ref$placement === void 0 ? 'bottom-left' : _ref$placement,
    overlayRef = _ref.overlayRef,
    targetRef = _ref.targetRef,
    _ref$shrinkOverlay = _ref.shrinkOverlay,
    shrinkOverlay = _ref$shrinkOverlay === void 0 ? false : _ref$shrinkOverlay,
    _ref$isFlyout = _ref.isFlyout,
    isFlyout = _ref$isFlyout === void 0 ? false : _ref$isFlyout;
  var _React$useState = React.useState(_objectSpread(_objectSpread({}, initAnchor), {}, {
      placement: placement
    })),
    _React$useState2 = _slicedToArray(_React$useState, 2),
    anchor = _React$useState2[0],
    setAnchor = _React$useState2[1];
  var viewChangeHandler = function viewChangeHandler() {
    if (overlayRef.current && targetRef.current) {
      var target = getBoundingRect(targetRef.current);
      if (!shrinkOverlay) {
        // we should set minWidth before calculation
        overlayRef.current.style.minWidth = "".concat(target.width, "px");
      }
      var newAnchor = getAnchorPosition(placement, padding, undefined, target, getBoundingRect(overlayRef.current), canFlip, isFlyout);
      if (newAnchor.placement !== anchor.placement) {
        setAnchor(newAnchor);
      }
      onLayout(newAnchor);
    }
  };
  useLayoutEventListener({
    event: 'scroll',
    handler: viewChangeHandler,
    options: {
      capture: true
    }
  });
  useLayoutEventListener({
    event: 'resize',
    handler: viewChangeHandler
  });
  useLayoutEventListener({
    event: 'load',
    handler: viewChangeHandler
  });
  React.useLayoutEffect(function () {
    viewChangeHandler();
  }, [overlayRef].concat(_toConsumableArray(dependencies)));
  return anchor;
}

/* RENDER PROP */

/**
 * @deprecatedSince 9
 * @deprecated Never officially documented/supported
 */
export function Anchor(_ref2) {
  var children = _ref2.children,
    overlayRef = _ref2.overlayRef,
    targetRef = _ref2.targetRef,
    props = _objectWithoutProperties(_ref2, _excluded);
  var anchor = useAnchor(_objectSpread(_objectSpread({}, props), {}, {
    overlayRef: overlayRef,
    targetRef: targetRef
  }));
  var content = typeof children === 'function' ? children(anchor) : children;
  return content && /*#__PURE__*/React.cloneElement(content, _objectSpread(_objectSpread({}, content.props), {}, {
    placement: anchor.placement,
    ref: overlayRef
  }));
}
//# sourceMappingURL=Anchor.js.map