react-native-ios-alarmkit/lib/hooks.js

React Native wrapper for iOS AlarmKit framework

import { useState, useEffect } from 'react';
import { AlarmKitManager } from './AlarmKitManager';
import { AlarmKitError } from './types';
export function useAlarms() {
    const [alarms, setAlarms] = useState([]);
    const [error, setError] = useState(null);
    const [isLoading, setIsLoading] = useState(true);
    useEffect(() => {
        if (!AlarmKitManager.shared.isSupported) {
            setIsLoading(false);
            return;
        }
        // Subscribe first to avoid race condition where an update
        // arrives between fetch start and subscription setup
        const subscription = AlarmKitManager.shared.addAlarmUpdatesListener((updatedAlarms) => {
            setAlarms(updatedAlarms);
            setError(null);
            setIsLoading(false);
        });
        // Then fetch initial state
        AlarmKitManager.shared
            .getAlarms()
            .then((initialAlarms) => {
            setAlarms(initialAlarms);
            setIsLoading(false);
        })
            .catch((err) => {
            setError(AlarmKitError.fromError(err));
            setIsLoading(false);
        });
        return () => subscription.remove();
    }, []);
    return { alarms, error, isLoading };
}
export function useAuthorizationState() {
    const [state, setState] = useState('notDetermined');
    const [error, setError] = useState(null);
    const [isLoading, setIsLoading] = useState(true);
    useEffect(() => {
        if (!AlarmKitManager.shared.isSupported) {
            setIsLoading(false);
            return;
        }
        // Subscribe first to avoid race condition
        const subscription = AlarmKitManager.shared.addAuthorizationUpdatesListener((newState) => {
            setState(newState);
            setError(null);
            setIsLoading(false);
        });
        // Then fetch initial state
        AlarmKitManager.shared
            .getAuthorizationState()
            .then((initialState) => {
            setState(initialState);
            setIsLoading(false);
        })
            .catch((err) => {
            setError(AlarmKitError.fromError(err));
            setIsLoading(false);
        });
        return () => subscription.remove();
    }, []);
    return { state, error, isLoading };
}