我正在尝试将一个小型应用程序移植到打字稿上。
我遇到了react-router的问题。我有明确类型的最新定义,但以下代码给出了错误:
var routes:Router.Route = (
<Route name="root" path="/" handler={MyApp}>
<Route path="dashboard" handler={MyDash} />
<DefaultRoute handler={SomeSection} />
<NotFoundRoute handler={NotFoundPage} />
</Route>
);
Router.run(routes, function (Handler:React.Component<any, any>) {
React.render(<Handler/>, document.body);
});
这些是我得到的编译错误:
js/app.tsx(31,3): error TS2605: JSX element type 'Component<RouteProp, any>' is not a constructor function for JSX elements.
Property 'render' is missing in type 'Component<RouteProp, any>'.
js/app.tsx(32,5): error TS2605: JSX element type 'Component<RouteProp, any>' is not a constructor function for JSX elements.
js/app.tsx(47,5): error TS2605: JSX element type 'Component<DefaultRouteProp, any>' is not a constructor function for JSX elements.
Property 'render' is missing in type 'Component<DefaultRouteProp, any>'.
js/app.tsx(49,5): error TS2605: JSX element type 'Component<NotFoundRouteProp, any>' is not a constructor function for JSX elements.
Property 'render' is missing in type 'Component<NotFoundRouteProp, any>'.
js/app.tsx(53,20): error TS2345: Argument of type '(Handler: Component<any, any>) => void' is not assignable to parameter of type '(Handler: RouteClass, state: RouterState) => void'.
Types of parameters 'Handler' and 'Handler' are incompatible.
Type 'Component<any, any>' is not assignable to type 'RouteClass'.
js/app.tsx(54,17): error TS2604: JSX element type 'Handler' does not have any construct or call signatures.
使用typescript初始化一组react-router路由的正确方法是什么?
(我应该澄清一下,我正在使用通过--jsx react
标志支持JSX的夜间打字稿构建
答案 0 :(得分:14)
根本问题是react-router中的一些定义没有显式的render()方法。这已由https://github.com/borisyankov/DefinitelyTyped/pull/5197
(间接)修复请注意,此代码不正确:
Router.run(routes, function (Handler:React.Component<any, any>) {
React.render(<Handler/>, document.body);
});
应该是:
Router.run(routes, function (Handler: new() => React.Component<any, any>) {
React.render(<Handler/>, document.body);
});
因为Handler
是React组件的构造函数,而不是它的实例。
答案 1 :(得分:0)
类型定义中的错误似乎是原因。您可以通过修改.d.ts
文件来解决这些问题,如下所示:
在react.d.ts
中,从render
界面
JSX.ElementClass
interface ElementClass extends React.Component<any, any> {
}
在react-router.d.ts
中,将run
方法的routes
参数类型更改为React.ReactElement<RouteProp>
function run(routes: React.ReactElement<RouteProp>, callback: RouterRunCallback): Router;
function run(routes: React.ReactElement<RouteProp>, location: LocationBase, callback: RouterRunCallback): Router;
答案 2 :(得分:-1)
为了让它在带有react-router的typescript 1.6下运行,我在react-router.d.ts文件中添加了以下代码:
interface RouterClass extends React.ComponentClass<any> {}
var Router: RouterClass;
//For Router
function createElement(
type: ReactRouter.RouterClass,
props: any,
...children: __React.ReactNode[]): ReactRouter.Router;
}
interface RouteProp {
name?: string;
path?: string;
handler?: React.ComponentClass<any>;
ignoreScrollBehavior?: boolean;
component?: React.ComponentClass<any>;
}