rn-local-authentication/dist/hooks/useBiometryAvailability.js

The library helps you to authenticate users biometrically

import { useState, useEffect } from 'react';
import LocalAuthentication from '../LocalAuthentication';
export default function useBiometryAvailability() {
    const [isAvailable, setIsAvailable] = useState();
    useEffect(() => {
        const fetchStatus = async () => {
            const availabilityStatus = await LocalAuthentication.isAvailableAsync();
            if (availabilityStatus !== isAvailable) {
                setIsAvailable(availabilityStatus);
            }
        };
        fetchStatus();
    });
    return isAvailable;
}
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