React应用中未调用的Microsoft Graph Toolkit组件的事件处理程序 [英] Event handlers of Microsoft Graph Toolkit components not called in React app
问题描述
我试图在我的React应用程序中使用Microsoft Graph Toolkit中的登录组件.它工作正常,但我似乎无法触发任何事件.例如-
I am trying to use the login component from the Microsoft Graph Toolkit in my React app. It works fine, but I cannot seem to be able to make any of the events fire. For example -
import React from "react";
import { MgtLogin, Providers, MsalProvider } from "@microsoft/mgt";
import "./App.css";
Providers.globalProvider = new MsalProvider({
clientId: "a974dfa0-9f57-49b9-95db-90f04ce2111a"
});
function handleLogin() {
console.log("login completed");
}
function App() {
return (
<div className="App">
<header className="App-header">
<mgt-login loginCompleted={handleLogin} />
</header>
</div>
);
}
export default App;
handleLogin
永远不会被调用.
这是它与钩子一起工作的方式.
Here's how it works with hooks.
import React, { useEffect, useRef } from "react";
import { Providers, MsalProvider, LoginType } from "@microsoft/mgt";
import "./App.css";
Providers.globalProvider = new MsalProvider({
clientId: "a974dfa0-9f57-49b9-95db-90f04ce2111a",
loginType: LoginType.Popup
});
function App() {
const loginComponent = useRef(null);
useEffect(() => {
console.log("loginComponent", loginComponent);
loginComponent.current.addEventListener("loginCompleted", () =>
console.log("Logged in!")
);
}, []);
return (
<div className="App">
<header className="App-header">
<mgt-login ref={loginComponent} />
</header>
</div>
);
}
export default App;
推荐答案
由于React实现了自己的综合事件系统,因此如果不使用变通办法,它就无法侦听来自Custom Elements的DOM事件.您需要使用ref
引用工具箱组件,并使用addEventListener
手动附加事件侦听器.
Because React implements its own synthetic event system, it cannot listen for DOM events coming from Custom Elements without the use of a workaround. You need to reference the toolkit components using a ref
and manually attach event listeners with addEventListener
.
import React, { Component } from 'react';
import { MgtLogin, Providers, MsalProvider } from "@microsoft/mgt";
import "./App.css";
class App extends Component {
constructor(){
super();
Providers.globalProvider = new MsalProvider({
clientId: "a974dfa0-9f57-49b9-95db-90f04ce2111a"
});
}
render() {
return (
<div className="App">
<header className="App-header">
<mgt-login ref="loginComponent" />
</header>
</div>
);
}
handleLogin() {
console.log("login completed");
}
componentDidMount() {
this.refs.loginComponent.addEventListener('loginCompleted', this.handleLogin);
}
}
export default App;
这篇关于React应用中未调用的Microsoft Graph Toolkit组件的事件处理程序的文章就介绍到这了,希望我们推荐的答案对大家有所帮助,也希望大家多多支持IT屋!