@boneframework/native-components/utilities/cache.ts

Expo React Native Components for Bone Framework

import AsyncStorage from "@react-native-async-storage/async-storage";
import dayjs from "dayjs";

import logger from './logger';

const prefix = 'cache';
const expiryInMinutes = 5;

const store = async (key, value) => {
    try {
        const item = {
            value: value,
            timeatamp: Date.now()
        };
        await  AsyncStorage.setItem(prefix + key, JSON.stringify(item));
    } catch (error) {
        console.log(error);
    }
}

const get = async (key) => {
    try {
        const value = await AsyncStorage.getItem(prefix + key);
        const item  = JSON.parse(value);

        if (!item) {
            return null;
        }

        if (isExpired(item)) {
            await AsyncStorage.removeItem(prefix + key);

            return null;
        }

        return item.value;

    } catch (error) {
        logger.log(error);
    }
};

const isExpired = (item) => {
    const now = dayjs();
    const storedTime = dayjs(item.timeatamp);

    return  now.diff(storedTime, 'minute') > expiryInMinutes;
}

export default {
    get,
    store
}