Function

map (dependentKey, callback) Ember.ComputedProperty public

Module:	@ember/object

Defined in packages/ember-runtime/lib/computed/reduce_computed_macros.js:181

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

dependentKey

String

callback

Function

returns

Ember.ComputedProperty

an array mapped via the callback

Returns an array mapped via the callback

The callback method you provide should have the following signature. item is the current item in the iteration. index is the integer index of the current item in the iteration.

function(item, index);

Example

let Hamster = Ember.Object.extend({
  excitingChores: Ember.computed.map('chores', function(chore, index) {
    return chore.toUpperCase() + '!';
  })
});

let hamster = Hamster.create({
  chores: ['clean', 'write more unit tests']
});

hamster.get('excitingChores'); // ['CLEAN!', 'WRITE MORE UNIT TESTS!']