当我将鼠标悬停在Comp1
它上面时,我希望状态更改为 true(我正在将true
参数传递给它)。另外我想确保这样做不会导致Comp2
组件重新渲染。
我的理解是,如果我愿意,useStoreOnHover.setState({ onComp1: true })
它应该可以工作,但不能:(
我也试过const onComp1Set = useStoreOnHover((s) => s.onComp1Set)
但还是一样:(
我能够让它工作的唯一方法是,const { onComp1Set } = useStoreOnHover()
但我试图避免这种类型的解构,因为它也会触发重新渲染到其他组件。
现场示例:https ://codesandbox.io/s/winter-grass-qxrv8
import create, { GetState, SetState } from "zustand";
type typeStoreOnHover = {
onComp1: boolean;
onComp1Set: (val: boolean) => void;
onComp2: boolean;
};
export const useStoreOnHover = create<typeStoreOnHover>(
(set: SetState<typeStoreOnHover>, get: GetState<typeStoreOnHover>) => {
return {
onComp1: false,
onComp1Set: (val) => set({ onComp1: val }),
onComp2: false
};
}
);
const Comp1 = () => {
const onComp1 = useStoreOnHover.getState().onComp1;
// const onComp1Set = useStoreOnHover((s) => s.onComp1Set);
console.log("Comp 1", onComp1);
return (
<div
onMouseEnter={() => {
// onComp1Set(true);
useStoreOnHover.setState({ onComp1: true });
}}
>
Comp 1 {onComp1 ? "True" : "False"}
</div>
);
};
const Comp2 = () => {
const onComp2 = useStoreOnHover((s) => s.onComp2);
console.log("Comp 2", onComp2);
return <div>Comp 2 </div>;
};
export default function App() {
return (
<>
<Comp1 />
<Comp2 />
</>
);
}