"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = useSticky;
var React = _interopRequireWildcard(require("react"));
var _canUseDom = _interopRequireDefault(require("@rc-component/util/lib/Dom/canUseDom"));
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
function _getRequireWildcardCache(e) { if ("function" != typeof WeakMap) return null; var r = new WeakMap(), t = new WeakMap(); return (_getRequireWildcardCache = function (e) { return e ? t : r; })(e); }
function _interopRequireWildcard(e, r) { if (!r && e && e.__esModule) return e; if (null === e || "object" != typeof e && "function" != typeof e) return { default: e }; var t = _getRequireWildcardCache(r); if (t && t.has(e)) return t.get(e); var n = { __proto__: null }, a = Object.defineProperty && Object.getOwnPropertyDescriptor; for (var u in e) if ("default" !== u && Object.prototype.hasOwnProperty.call(e, u)) { var i = a ? Object.getOwnPropertyDescriptor(e, u) : null; i && (i.get || i.set) ? Object.defineProperty(n, u, i) : n[u] = e[u]; } return n.default = e, t && t.set(e, n), n; }
// fix ssr render
const defaultContainer = (0, _canUseDom.default)() ? window : null;

/** Sticky header hooks */
function useSticky(sticky, prefixCls) {
  const {
    offsetHeader = 0,
    offsetSummary = 0,
    offsetScroll = 0,
    getContainer = () => defaultContainer
  } = typeof sticky === 'object' ? sticky : {};
  const container = getContainer() || defaultContainer;
  const isSticky = !!sticky;
  return React.useMemo(() => {
    return {
      isSticky,
      stickyClassName: isSticky ? `${prefixCls}-sticky-holder` : '',
      offsetHeader,
      offsetSummary,
      offsetScroll,
      container
    };
  }, [isSticky, offsetScroll, offsetHeader, offsetSummary, prefixCls, container]);
}