Filter an array of shallow objects by repeating and non-repeating objects in javascript

filtered-objects.js

const objectList = [
  { id: 1, console: 'playstation 4' },
  { id: 2, console: 'xbox one s' },
  { id: 2, console: 'xbox one s' },
  { id: 1, console: 'playstation 4' },
  { id: 1, console: 'playstation 4' },
  { id: 1, console: 'playstation 2' },
  { id: 3, console: 'playstation 1' }
]

let filteredByRepetition = []

const filteredByNoRepetition =
  objectList.reduce((acc, current) => {
    const isAlreadyIn = acc.find(
      obj => JSON.stringify(obj) === JSON.stringify(current)
    )
    
    if (isAlreadyIn) {
       filteredByRepetition.push(isAlreadyIn)
        return acc
    }

    return [...acc, current]
  }, [])

console.log({
  filteredByRepetition,
  filteredByNoRepetition
})

/*
filteredByRepetition: Array[3]
0: Object
  id: 2
  console: "xbox one s"
1: Object
  id: 1
  console: "playstation 4"
2: Object
  id: 1
  console: "playstation 4"

filteredByNoRepetition: Array[4]
0: Object
  id: 1
  console: "playstation 4"
1: Object
  id: 2
  console: "xbox one s"
2: Object
  id: 1
  console: "playstation 2"
3: Object
  id: 3
  console: "playstation 1"
*/