snapmap (npm): A tiny (< 1kb minified & gzip'd) and dependency-free extension of the ES6 Map object that lets you set an expiration time for key/value pairs.
Keywords: map|es6|expiration|data structure|map expiration|object expiration|data expiration|automatically delete data|ttl|key/value|dictionary|es6-map|no-dependencies|node-module|npm-package|ttl-cache