function _typeof(obj) { "@babel/helpers - typeof"; return _typeof = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ? function (obj) { return typeof obj; } : function (obj) { return obj && "function" == typeof Symbol && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }, _typeof(obj); }
var _excluded = ["children", "overlayRef", "targetRef"];
function _objectWithoutProperties(source, excluded) { if (source == null) return {}; var target = _objectWithoutPropertiesLoose(source, excluded); var key, i; if (Object.getOwnPropertySymbols) { var sourceSymbolKeys = Object.getOwnPropertySymbols(source); for (i = 0; i < sourceSymbolKeys.length; i++) { key = sourceSymbolKeys[i]; if (excluded.indexOf(key) >= 0) continue; if (!Object.prototype.propertyIsEnumerable.call(source, key)) continue; target[key] = source[key]; } } return target; }
function _objectWithoutPropertiesLoose(source, excluded) { if (source == null) return {}; var target = {}; var sourceKeys = Object.keys(source); var key, i; for (i = 0; i < sourceKeys.length; i++) { key = sourceKeys[i]; if (excluded.indexOf(key) >= 0) continue; target[key] = source[key]; } return target; }
function _toConsumableArray(arr) { return _arrayWithoutHoles(arr) || _iterableToArray(arr) || _unsupportedIterableToArray(arr) || _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(iter) { if (typeof Symbol !== "undefined" && iter[Symbol.iterator] != null || iter["@@iterator"] != null) return Array.from(iter); }
function _arrayWithoutHoles(arr) { if (Array.isArray(arr)) return _arrayLikeToArray(arr); }
function ownKeys(object, enumerableOnly) { var keys = Object.keys(object); if (Object.getOwnPropertySymbols) { var symbols = Object.getOwnPropertySymbols(object); enumerableOnly && (symbols = symbols.filter(function (sym) { return Object.getOwnPropertyDescriptor(object, sym).enumerable; })), keys.push.apply(keys, symbols); } return keys; }
function _objectSpread(target) { for (var i = 1; i < arguments.length; i++) { var source = null != arguments[i] ? arguments[i] : {}; i % 2 ? ownKeys(Object(source), !0).forEach(function (key) { _defineProperty(target, key, source[key]); }) : Object.getOwnPropertyDescriptors ? Object.defineProperties(target, Object.getOwnPropertyDescriptors(source)) : ownKeys(Object(source)).forEach(function (key) { Object.defineProperty(target, key, Object.getOwnPropertyDescriptor(source, key)); }); } return target; }
function _defineProperty(obj, key, value) { key = _toPropertyKey(key); if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }
function _toPropertyKey(arg) { var key = _toPrimitive(arg, "string"); return _typeof(key) === "symbol" ? key : String(key); }
function _toPrimitive(input, hint) { if (_typeof(input) !== "object" || input === null) return input; var prim = input[Symbol.toPrimitive]; if (prim !== undefined) { var res = prim.call(input, hint || "default"); if (_typeof(res) !== "object") return res; throw new TypeError("@@toPrimitive must return a primitive value."); } return (hint === "string" ? String : Number)(input); }
function _slicedToArray(arr, i) { return _arrayWithHoles(arr) || _iterableToArrayLimit(arr, i) || _unsupportedIterableToArray(arr, i) || _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(o, minLen) { if (!o) return; if (typeof o === "string") return _arrayLikeToArray(o, minLen); var n = Object.prototype.toString.call(o).slice(8, -1); if (n === "Object" && o.constructor) n = o.constructor.name; if (n === "Map" || n === "Set") return Array.from(o); if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen); }
function _arrayLikeToArray(arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) arr2[i] = arr[i]; return arr2; }
function _iterableToArrayLimit(arr, i) { var _i = null == arr ? null : "undefined" != typeof Symbol && arr[Symbol.iterator] || arr["@@iterator"]; if (null != _i) { var _s, _e, _x, _r, _arr = [], _n = !0, _d = !1; try { if (_x = (_i = _i.call(arr)).next, 0 === i) { if (Object(_i) !== _i) return; _n = !1; } else for (; !(_n = (_s = _x.call(_i)).done) && (_arr.push(_s.value), _arr.length !== i); _n = !0); } catch (err) { _d = !0, _e = err; } finally { try { if (!_n && null != _i["return"] && (_r = _i["return"](), Object(_r) !== _r)) return; } finally { if (_d) throw _e; } } return _arr; } }
function _arrayWithHoles(arr) { if (Array.isArray(arr)) return arr; }
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