CreateCache.js

import { caching, multiCaching } from 'cache-manager';
import { redisStore } from 'cache-manager-redis-yet';

function createMemoryCache(max, ttl) {
    return caching('memory', { max, ttl });
}

async function createRedisCache(redisHost, ttl) {
    const redisConfig = { url: `redis://${redisHost}`, db: 0, ttl };
    const redisCacheStore = await redisStore(redisConfig);
    return caching(redisCacheStore);
}

const createCache = async ({ mode, max, ttl }, redisHost) => {
    if (mode === 'memory') {
        return createMemoryCache(max, ttl);
    }
    if (mode === 'redis' && redisHost) {
        return createRedisCache(redisHost, ttl);
    }
    if (mode === 'memory+redis' && redisHost) {
        return Promise.all([
            createMemoryCache(max, ttl),
            createRedisCache(redisHost, ttl),
        ]).then(([memoryCache, redisCache]) => multiCaching([memoryCache, redisCache]));
    }
    return null;
};