Alf*_*x92 5 typescript reactjs react-typescript
我正在尝试将 React Typescript 与复合组件一起使用,但遇到此错误:
JSX element type 'Nav.Content' does not have any construct or call signatures.ts(2604)
这是一个沙箱:https://codesandbox.io/s/compound-components-typescript-fjilh ?file=/src/App.tsx
知道如何修复它吗?
这就是我的代码的样子:
Nav.tsx
interface ContentProps {
children: ReactNode;
}
const Content: React.FC<ContentProps> = (props: ContentProps) => (
<div>{props.children}</div>
);
interface ContentComposition {
Content?: React.FC<ContentProps>;
}
interface Props {
children: ReactNode;
}
const Nav: React.FC<Props> & ContentComposition = (props: Props) => (
<div>{props.children}</div>
);
Nav.Content = Content;
export default Nav;
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App.tsx
export default function App() {
return (
<div className="App">
<Nav>
<Nav.MainContent>
<h2>Start editing to see some magic happen!</h2>
</Nav.MainContent>
<h1>Hello CodeSandbox</h1>
</Nav>
</div>
);
}
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Alf*_*x92 11
感谢 Reactiflux 的 Brady,我找到了答案。
问题是我正在使用React.FC
有关此处的更多信息React.FC:https ://github.com/typescript-cheatsheets/react-typescript-cheatsheet#function-components
答案如下:
interface ContentProps {
children: ReactNode;
}
const Content = (props: ContentProps) => <div>{props.children}</div>;
interface Props {
children: ReactNode;
}
const Nav = (props: Props) => <div>{props.children}</div>;
Nav.Content = Content;
export default Nav;
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解决这个问题的一种方法如下:
import React, { FC } from 'react';
interface SubComponentProps {
/* ... */
}
const SubComponent: FC<SubComponentProps> = () => {
/* ... */
};
interface ParentComposition {
Sub: typeof SubComponent; /* or you can do FC<SubComponentProps> */
}
interface ParentProps {
/* ... */
}
const Parent: FC<ParentProps> & ParentComposition = () => {
/* .... */
};
Parent.Sub = SubComponent;
export default Parent;
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这里的关键是使用Composition接口,并在声明复合组件类型时使用它。
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