There are a few existing modules similar to Keyv, however Keyv is different because it:

Isn't bloated Has a simple Promise based API Suitable as a TTL based cache or persistent key-value store Easily embeddable inside another module Works with any storage that implements the Map API Handles all JSON types plus Buffer Supports namespaces Wide range of efficient, well tested storage adapters Connection errors are passed through (db failures won't kill your app) Supports the current active LTS version of Node.js or high