Function lazy

lib/assets/react-source/development/react.js:1758–1806

(ctor)

	}

	function lazy(ctor) {
	  var lazyType = {
	    $$typeof: REACT_LAZY_TYPE,
	    _ctor: ctor,
	    // React uses these fields to store the result.
	    _status: -1,
	    _result: null
	  };

	  {
	    // In production, this would just set it on the object.
	    var defaultProps;
	    var propTypes;
	    Object.defineProperties(lazyType, {
	      defaultProps: {
	        configurable: true,
	        get: function () {
	          return defaultProps;
	        },
	        set: function (newDefaultProps) {
	          error('React.lazy(...): It is not supported to assign `defaultProps` to ' + 'a lazy component import. Either specify them where the component ' + 'is defined, or create a wrapping component around it.');

	          defaultProps = newDefaultProps; // Match production behavior more closely:

	          Object.defineProperty(lazyType, 'defaultProps', {
	            enumerable: true
	          });
	        }
	      },
	      propTypes: {
	        configurable: true,
	        get: function () {
	          return propTypes;
	        },
	        set: function (newPropTypes) {
	          error('React.lazy(...): It is not supported to assign `propTypes` to ' + 'a lazy component import. Either specify them where the component ' + 'is defined, or create a wrapping component around it.');

	          propTypes = newPropTypes; // Match production behavior more closely:

	          Object.defineProperty(lazyType, 'propTypes', {
	            enumerable: true
	          });
	        }
	      }
	    });
	  }

	  return lazyType;
	}

	function forwardRef(render) {
	  {