Clone an object removing Firestore's stuffs from it

unfirebased.js

/**
 * Clone an object removing Firestore's stuffs from it (ES7)
 * 
 * @param {Object} obj - obj to work on
 * @param {Array} ignoredProps - Additional props to ignore (always ignores "ref")
 */

export function unfirebased(obj, ignoredProps = []) {
   ignoredProps = [...ignoredProps, 'ref']

   return JSON.parse(JSON.stringify(obj, (key,value) => {         
      if (ignoredProps.find(item => item == key)) 
         return undefined

      return value
   }))
}