Ember.computed.uniqBy()

A computed property which returns a new array with all the unique elements from an array, with uniqueness determined by specific key.

Example

let Hamster = Ember.Object.extend({
  uniqueFruits: Ember.computed.uniqBy('fruits', 'id')
});
let hamster = Hamster.create({
  fruits: [
    { id: 1, 'banana' },
    { id: 2, 'grape' },
    { id: 3, 'peach' },
    { id: 1, 'banana' }
  ]
});
hamster.get('uniqueFruits'); // [ { id: 1, 'banana' }, { id: 2, 'grape' }, { id: 3, 'peach' }]