Function
union (propertyKey) ComputedProperty public
Module:
@ember/object
Defined in packages/@ember/object/lib/computed/reduce_computed_macros.js:507
import { union } from '@ember/object/computed'; |
- propertyKey
- String
- returns
- ComputedProperty
- computes a new array with all the unique elements from the dependent array
A computed property which returns a new array with all the unique elements from one or more dependent arrays.
Example
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import { union } from '@ember/object/computed'; import EmberObject from '@ember/object'; let Hamster = EmberObject.extend({ uniqueFruits: union('fruits', 'vegetables') }); let hamster = Hamster.create({ fruits: [ 'banana', 'grape', 'kale', 'banana', 'tomato' ], vegetables: [ 'tomato', 'carrot', 'lettuce' ] }); hamster.get('uniqueFruits'); // ['banana', 'grape', 'kale', 'tomato', 'carrot', 'lettuce'] |