[英]React-Router (experimental v6) render problem?
我最近為我正在制作的簡單 SPA 安裝了 react-router 和 react-router-dom 實驗版本。 安裝后,開發服務器編譯並啟動得很好:
Compiled successfully!
You can now view rcg in the browser.
但是,在本地主機上的瀏覽器中,我得到以下信息:
TypeError: Object(react__WEBPACK_IMPORTED_MODULE_3__["unstable_useTransition"]) is not a function. (In 'Object(react__WEBPACK_IMPORTED_MODULE_3__["unstable_useTransition"])({
timeoutMs: b })', 'Object(react__WEBPACK_IMPORTED_MODULE_3__["unstable_useTransition"])' is an instance of Object)
BrowserRouter
/Users/user/.tsc-output/react-router-dom/index.js:48
45 | export function BrowserRouter({ children, timeoutMs = 5000, window }) {
46 | let historyRef = React.useRef();
47 | if (historyRef.current == null) {
> 48 | historyRef.current = createBrowserHistory({ window });
49 | }
50 | // @ts-ignore
51 | let [startTransition, isPending] = React.unstable_useTransition({
./src/index.js
src/index.js:7
4 | import App from './App';
5 | import * as serviceWorker from './serviceWorker';
6 |
> 7 | ReactDOM.render(
8 | <React.StrictMode>
9 | <App />
10 | </React.StrictMode>,
還有其他幾個塊,但我想知道問題是否出在上述兩個塊上。 任何人都知道問題可能是什么? 會不會是由於我一時沖動切換到實驗性 react-router 和 react-router-dom 造成的?
另外:package.json{
"name": "rcg",
"version": "0.1.0",
"private": true,
"dependencies": {
"@testing-library/jest-dom": "^4.2.4",
"@testing-library/react": "^9.5.0",
"@testing-library/user-event": "^7.2.1",
"bootstrap": "^4.5.0",
"react": "^16.13.1",
"react-dom": "^16.13.1",
"react-router": "0.0.0-experimental-b1ff171f",
"react-router-dom": "0.0.0-experimental-b1ff171f",
"react-scripts": "3.4.1",
"tsutils": "^3.17.1",
"typescript": "^3.9.3"
應用程序.js
import React from 'react';
import "bootstrap/dist/css/bootstrap.min.css"
import { BrowserRouter, Route} from "react-router-dom";
import Navbar from "./components/navbar.component"
import BackendRoutes from "./components/backend-routes.component"
function App() {
return (
<BrowserRouter>
<Navbar />
<Route path="/backend" element={BackendRoutes} />
</BrowserRouter>
);
}
export default App;
你錯過了history
package
yarn add history
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