将react-router与typescript

时间:2015-07-31 13:53:01

标签: typescript reactjs react-router

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

3 个答案:

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:

react.d.ts中,从render界面

中删除JSX.ElementClass
interface ElementClass extends React.Component<any, any> {
}

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>;
}