@ucloud-fe/react-components/lib/libs/rc-trigger/src/LazyRenderBox.js

UCloud react components

"use strict";

var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");

var _typeof = require("@babel/runtime/helpers/typeof");

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

var _objectWithoutProperties2 = _interopRequireDefault(require("@babel/runtime/helpers/objectWithoutProperties"));

var _classCallCheck2 = _interopRequireDefault(require("@babel/runtime/helpers/classCallCheck"));

var _createClass2 = _interopRequireDefault(require("@babel/runtime/helpers/createClass"));

var _inherits2 = _interopRequireDefault(require("@babel/runtime/helpers/inherits"));

var _possibleConstructorReturn2 = _interopRequireDefault(require("@babel/runtime/helpers/possibleConstructorReturn"));

var _getPrototypeOf2 = _interopRequireDefault(require("@babel/runtime/helpers/getPrototypeOf"));

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

var _propTypes = _interopRequireDefault(require("prop-types"));

var _excluded = ["hiddenClassName", "visible"];

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 _createSuper(Derived) { var hasNativeReflectConstruct = _isNativeReflectConstruct(); return function _createSuperInternal() { var Super = (0, _getPrototypeOf2.default)(Derived), result; if (hasNativeReflectConstruct) { var NewTarget = (0, _getPrototypeOf2.default)(this).constructor; result = Reflect.construct(Super, arguments, NewTarget); } else { result = Super.apply(this, arguments); } return (0, _possibleConstructorReturn2.default)(this, result); }; }

function _isNativeReflectConstruct() { if (typeof Reflect === "undefined" || !Reflect.construct) return false; if (Reflect.construct.sham) return false; if (typeof Proxy === "function") return true; try { Boolean.prototype.valueOf.call(Reflect.construct(Boolean, [], function () {})); return true; } catch (e) { return false; } }

var LazyRenderBox = /*#__PURE__*/function (_Component) {
  (0, _inherits2.default)(LazyRenderBox, _Component);

  var _super = _createSuper(LazyRenderBox);

  function LazyRenderBox() {
    (0, _classCallCheck2.default)(this, LazyRenderBox);
    return _super.apply(this, arguments);
  }

  (0, _createClass2.default)(LazyRenderBox, [{
    key: "shouldComponentUpdate",
    value: function shouldComponentUpdate(nextProps) {
      return nextProps.hiddenClassName || nextProps.visible;
    }
  }, {
    key: "render",
    value: function render() {
      var _this$props = this.props,
          hiddenClassName = _this$props.hiddenClassName,
          visible = _this$props.visible,
          props = (0, _objectWithoutProperties2.default)(_this$props, _excluded);

      if (hiddenClassName || _react.default.Children.count(props.children) > 1) {
        if (!visible && hiddenClassName) {
          props.className += " ".concat(hiddenClassName);
        }

        return /*#__PURE__*/_react.default.createElement("div", props);
      }

      return _react.default.Children.only(props.children);
    }
  }]);
  return LazyRenderBox;
}(_react.Component);

LazyRenderBox.propTypes = {
  children: _propTypes.default.any,
  className: _propTypes.default.string,
  visible: _propTypes.default.bool,
  hiddenClassName: _propTypes.default.string
};
var _default = LazyRenderBox;
exports.default = _default;