Created
May 22, 2020 10:32
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Hook for replacement of HOC for authentication
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//https://codesandbox.io/s/quirky-hermann-1xzju?file=/src/App.js | |
import React, { useState, useEffect } from "react"; | |
import "./styles.css"; | |
const useAuth = Component => { | |
const [isAuthed, setAuth] = useState(false); | |
useEffect(() => { | |
setTimeout(() => { | |
setAuth(true); | |
}, 1500); | |
}, []); | |
const view = isAuthed ? ( | |
<Component>as hook</Component> | |
) : ( | |
<div>not authed</div> | |
); | |
return [isAuthed, view]; | |
}; | |
const AuthView = ({ children }) => { | |
useEffect(() => { | |
console.log("rendered AuthView"); | |
}, []); | |
return <div>authenticated view: {children}</div>; | |
}; | |
const AuthComponent = ({ isAuthed, children }) => { | |
if (!isAuthed) { | |
return <div>not authed</div>; | |
} | |
return children; | |
}; | |
export default function App() { | |
const [isAuthed, view] = useAuth(AuthView); | |
return ( | |
<div className="App"> | |
<h1>Hello CodeSandbox</h1> | |
<h2>authenticated: {isAuthed.toString()}</h2> | |
{view} | |
{isAuthed && <AuthView>as conditional</AuthView>} | |
<AuthComponent isAuthed={isAuthed}> | |
<AuthView>as child</AuthView> | |
</AuthComponent> | |
</div> | |
); | |
} |
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