Offline first storage

Offline first logic for yor application

How to install

npm i -S offline-first-storage

How to use

const OFS = require('offline-first-storage');

const cache = new OFS({
    async getDataFromSource() {},
    async getDataFromCache() {},
    async setDataToCache(data) {},
    async getCacheDate() {},
    async updateCacheDate() {},
    timeoutErrorHandler(error) {},
    ttl: 86400, // 24 hours
});

const data = await cache.getData();

ioredis example

const Redis = require('ioredis');
const redis = new Redis();

const key = 'test';

const cache = new Ofs({
    async getDataFromSource() {
        return test;
    },
    async getDataFromCache() {
        return redis.get(key);
    },
    async setDataToCache(data) {
        await redis.set(key, data);
    },
    async getCacheDate() {
        return redis.get(`date_${key}`);
    },
    async updateCacheDate() {
        await redis.set(`date_${key}`, new Date().valueOf());
    },
    timeoutErrorHandler(error) {
        debug(error);
    },
    ttl: 86400,
});

const data = await cache.getData();

Links

• ioredis - promise based node.js redis client
• config - node.js config
• debug - node.js debugging utility