背景:同一组件既需要 connect 包裹,又需要 forwardRef 拿到 ref。
方案一(参考react-redux源码):
const TargetComponent = React.forwardRef((props, ref) => {
return <></>;
});
export default connect(state => state, null, null, { forwardRef: true })(TargetComponent);
方案二:
const TargetComponent = React.forwardRef((props, ref) => {
return <></>;
});
function wrap(Component) {
const ForwardRefComp = (props) => {
const { forwardedRef, ...rest } = props;
return <Component ref={forwardedRef} {...rest} />;
};
const StateComp = connect(state => state)(ForwardRefComp);
return React.forwardRef((props, ref) => <StateComp {...props} forwardedRef={ref} />);
}
export default wrap(TargetComponent);