lib/cache.js

'use strict'

class Cache extends Map {
  constructor (timeout) {
    super()
    this.timeout = timeout
  }

  add (peerId, descriptor) {
    this.set(peerId, descriptor)
    setTimeout(() => {
      this.has(peerId) && this.delete(peerId)
    }, this.timeout)
  }
}

module.exports = Cache