ice.fo.utils/server_side/ServerCache.js

const NodeCache = require('node-cache')

module.exports = function createServerCache ({ ttl = 60 * 5 /* 5 minutes */, ttlByKeys = {} }) {
  const store = new NodeCache({
    stdTTL: ttl, // seconds
  })
  const configurableKeyNames = Object.keys(ttlByKeys)

  return {
    put ({ key, value, seconds }) {
      if (!seconds && seconds != 0) {
        const keyName = configurableKeyNames.find(i => key.startsWith(i))
        seconds = ttlByKeys[keyName]
      }
      store.set(key, value, seconds)
    },
    get ({ key }) {
      return store.get(key)
    },
    remove ({ key }) {
      return store.del(key)
    },
    removeAll () {
      return store.flushAll()
    },
    has ({ key }) {
      return store.has(key)
    },
    getKeys () {
      return store.keys()
    },
  }
}