"use strict";

exports.__esModule = true;
exports.default = void 0;

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

var _clsx = _interopRequireDefault(require("clsx"));

var _ConfigProviderContext = _interopRequireDefault(require("../config-provider/ConfigProviderContext"));

var _hooks = require("../hooks");

var _skeleton = require("../skeleton");

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

function _getRequireWildcardCache(nodeInterop) { if (typeof WeakMap !== "function") return null; var cacheBabelInterop = new WeakMap(); var cacheNodeInterop = new WeakMap(); return (_getRequireWildcardCache = function _getRequireWildcardCache(nodeInterop) { return nodeInterop ? cacheNodeInterop : cacheBabelInterop; })(nodeInterop); }

function _interopRequireWildcard(obj, nodeInterop) { if (!nodeInterop && obj && obj.__esModule) { return obj; } if (obj === null || typeof obj !== "object" && typeof obj !== "function") { return { default: obj }; } var cache = _getRequireWildcardCache(nodeInterop); if (cache && cache.has(obj)) { return cache.get(obj); } var newObj = {}; var hasPropertyDescriptor = Object.defineProperty && Object.getOwnPropertyDescriptor; for (var key in obj) { if (key !== "default" && 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 _extends() { _extends = Object.assign || function (target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i]; for (var key in source) { if (Object.prototype.hasOwnProperty.call(source, key)) { target[key] = source[key]; } } } return target; }; return _extends.apply(this, arguments); }

var Lazyload = function Lazyload(props) {
  var _useContext = (0, _react.useContext)(_ConfigProviderContext.default),
      prefixCls = _useContext.prefixCls,
      createNamespace = _useContext.createNamespace;

  var _createNamespace = createNamespace('lazyload', prefixCls),
      bem = _createNamespace[0];

  var ref = (0, _react.useRef)();
  var inViewPort = (0, _hooks.useInViewport)(ref);
  var height = props.height,
      placeholder = props.placeholder,
      children = props.children,
      className = props.className,
      style = props.style;
  return inViewPort ? /*#__PURE__*/_react.default.createElement(_react.default.Fragment, null, children) : /*#__PURE__*/_react.default.createElement("div", {
    ref: ref,
    className: (0, _clsx.default)(bem(), className),
    style: _extends({
      height: height
    }, style)
  }, placeholder);
};

Lazyload.defaultProps = {
  placeholder: /*#__PURE__*/_react.default.createElement(_skeleton.Skeleton, {
    title: true
  })
};
var _default = Lazyload;
exports.default = _default;