Created
December 24, 2019 18:22
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import firebase from "firebase/app"; | |
import { createContext, useContext, useEffect, useState } from "react"; | |
import { LoginPrompt } from "./components/LoginPrompt"; | |
const AuthContext = createContext<firebase.User | null>(null); | |
export const AuthContextProvider: React.FC = props => { | |
const [user, setUser] = useState<firebase.User | null>(null); | |
const [loginError, setLoginError] = useState<string | null>(null); | |
useEffect( | |
() => | |
firebase.auth().onAuthStateChanged(async changeUser => { | |
// Reset previous state | |
setLoginError(null); | |
// Disconnected, will show login prompt | |
if (!changeUser) { | |
return setUser(changeUser); | |
} | |
// Log user | |
setUser(changeUser); | |
}), | |
[], | |
); | |
return user ? <AuthContext.Provider value={user}>{props.children}</AuthContext.Provider> : <LoginPrompt error={loginError} />; | |
}; | |
export function useAuthContext() { | |
return useContext(AuthContext); | |
} |
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