Function

bool (dependentKey) ComputedProperty public

Module:	@ember/object

Defined in packages/ember-runtime/lib/computed/computed_macros.js:194

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

dependentKey

String

returns

ComputedProperty

computed property which converts to boolean the original value for property

A computed property that converts the provided dependent property into a boolean value.

let Hamster = Ember.Object.extend({
  hasBananas: Ember.computed.bool('numBananas')
});

let hamster = Hamster.create();

hamster.get('hasBananas'); // false
hamster.set('numBananas', 0);
hamster.get('hasBananas'); // false
hamster.set('numBananas', 1);
hamster.get('hasBananas'); // true
hamster.set('numBananas', null);
hamster.get('hasBananas'); // false