cache-via-mongo

Cache Via Mongo

Caching Adapter using MongoDb (Mongoose)

Sample Usage:

``
import mongoose from 'mongoose';
import cache from '.';
import { CacheItem } from './schema';

const mongoUrl = 'mongodb://localhost:27017/cache_via_mongo_test';

await mongoose.connect(mongoUrl);


function fetchWithCache(url): Promise {
return cache.getItem(url).then(
(cacheItem: CacheItem | null) => {
if (cacheItem) {
console.log("Return from cache");
return cacheItem.value;
}
return fetch(url).then(
(response) => response.text()
).then(
(responseText) => {
console.log("Setting cache from fetch");
cache.setItem(url, responseText, 60);
return responseText;
}
)
}
);
}

fetchWithCache('https://api.exchangerate-api.com/v4/latest/USD');
``

Why do you need this instead of for example Redis?
If you need a persisting cache, that can last across
multiple instances or usable across different application
or just a persistent cache that can outlast a reboot