choerodon-ui/lib/rc-components/trigger/LazyRenderBox.js

An enterprise-class UI design language and React-based implementation

"use strict";

var _interopRequireWildcard = require("@babel/runtime/helpers/interopRequireWildcard");

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

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 _defineProperty2 = _interopRequireDefault(require("@babel/runtime/helpers/defineProperty"));

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

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

function _createSuper(Derived) {
  function isNativeReflectConstruct() {
    if (typeof Reflect === "undefined" || !Reflect.construct) return false;
    if (Reflect.construct.sham) return false;
    if (typeof Proxy === "function") return true;

    try {
      Date.prototype.toString.call(Reflect.construct(Date, [], function () {}));
      return true;
    } catch (e) {
      return false;
    }
  }

  return function () {
    var Super = (0, _getPrototypeOf2["default"])(Derived),
        result;

    if (isNativeReflectConstruct()) {
      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);
  };
}

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.hidden;
    }
  }, {
    key: "render",
    value: function render() {
      var _this$props = this.props,
          hiddenClassName = _this$props.hiddenClassName,
          hidden = _this$props.hidden,
          props = (0, _objectWithoutProperties2["default"])(_this$props, ["hiddenClassName", "hidden"]);

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

        return _react["default"].createElement("div", props);
      }

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

exports["default"] = LazyRenderBox;
(0, _defineProperty2["default"])(LazyRenderBox, "propTypes", {
  children: _propTypes["default"].any,
  className: _propTypes["default"].string,
  hidden: _propTypes["default"].bool,
  hiddenClassName: _propTypes["default"].string
});
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