Function

intersect (propertyKey) ComputedProperty public

Defined in packages/@ember/object/lib/computed/reduce_computed_macros.js:549

import { intersect } from '@ember/object/computed';

propertyKey

String

returns

ComputedProperty

computes a new array with all the duplicated elements from the dependent arrays

A computed property which returns a new array with all the elements two or more dependent arrays have in common.

Example

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import { intersect } from '@ember/object/computed';
import EmberObject from '@ember/object';

let obj = EmberObject.extend({
  friendsInCommon: intersect('adaFriends', 'charlesFriends')
}).create({
  adaFriends: ['Charles Babbage', 'John Hobhouse', 'William King', 'Mary Somerville'],
  charlesFriends: ['William King', 'Mary Somerville', 'Ada Lovelace', 'George Peacock']
});

obj.get('friendsInCommon'); // ['William King', 'Mary Somerville']