"use strict";

function _typeof(obj) { "@babel/helpers - typeof"; if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = void 0;

var React = _interopRequireWildcard(require("react"));

var _rcResizeObserver = _interopRequireDefault(require("rc-resize-observer"));

var _classnames = _interopRequireDefault(require("classnames"));

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

function _getRequireWildcardCache() { if (typeof WeakMap !== "function") return null; var cache = new WeakMap(); _getRequireWildcardCache = function _getRequireWildcardCache() { return cache; }; return cache; }

function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } if (obj === null || _typeof(obj) !== "object" && typeof obj !== "function") { return { default: obj }; } var cache = _getRequireWildcardCache(); if (cache && cache.has(obj)) { return cache.get(obj); } var newObj = {}; var hasPropertyDescriptor = Object.defineProperty && Object.getOwnPropertyDescriptor; for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) { var desc = hasPropertyDescriptor ? Object.getOwnPropertyDescriptor(obj, key) : null; if (desc && (desc.get || desc.set)) { Object.defineProperty(newObj, key, desc); } else { newObj[key] = obj[key]; } } } newObj.default = obj; if (cache) { cache.set(obj, newObj); } return newObj; }

function ownKeys(object, enumerableOnly) { var keys = Object.keys(object); if (Object.getOwnPropertySymbols) { var symbols = Object.getOwnPropertySymbols(object); if (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 = arguments[i] != null ? arguments[i] : {}; if (i % 2) { ownKeys(Object(source), true).forEach(function (key) { _defineProperty(target, key, source[key]); }); } else if (Object.getOwnPropertyDescriptors) { Object.defineProperties(target, Object.getOwnPropertyDescriptors(source)); } else { ownKeys(Object(source)).forEach(function (key) { Object.defineProperty(target, key, Object.getOwnPropertyDescriptor(source, key)); }); } } return target; }

function _defineProperty(obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }

/**
 * Fill component to provided the scroll content real height.
 */
var Filler = /*#__PURE__*/React.forwardRef(function (_ref, ref) {
  var height = _ref.height,
      offset = _ref.offset,
      children = _ref.children,
      prefixCls = _ref.prefixCls,
      onInnerResize = _ref.onInnerResize;
  var outerStyle = {};
  var innerStyle = {
    display: 'flex',
    flexDirection: 'column'
  };

  if (offset !== undefined) {
    outerStyle = {
      height: height,
      position: 'relative',
      overflow: 'hidden'
    };
    innerStyle = _objectSpread(_objectSpread({}, innerStyle), {}, {
      transform: "translateY(".concat(offset, "px)"),
      position: 'absolute',
      left: 0,
      right: 0,
      top: 0
    });
  }

  return /*#__PURE__*/React.createElement("div", {
    style: outerStyle
  }, /*#__PURE__*/React.createElement(_rcResizeObserver.default, {
    onResize: function onResize(_ref2) {
      var offsetHeight = _ref2.offsetHeight;

      if (offsetHeight && onInnerResize) {
        onInnerResize();
      }
    }
  }, /*#__PURE__*/React.createElement("div", {
    style: innerStyle,
    className: (0, _classnames.default)(_defineProperty({}, "".concat(prefixCls, "-holder-inner"), prefixCls)),
    ref: ref
  }, children)));
});
Filler.displayName = 'Filler';
var _default = Filler;
exports.default = _default;