A function that remembers the values passed to it and returns true if a value is new. Packaged as a Node.js module.
npm install is-new --saveconst IsNew = require('is-new')
// Create instance
const isNew = IsNew()
// Works with objects
const obj = {}
isNew(obj) // true
isNew(obj) // false
// Works with scalars
isNew('test') // true
isNew('test') // false