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New Twiddle
import Ember from 'ember';
import { computed } from '@ember/object';
export default Ember.Controller.extend({
appName: 'Ember Twiddle',
list: [{a: 1}, {a: 2}],
total: 5,
sum: computed('list.[]', {
get(){
const list = this.get('list');
if(list){
return list.mapBy('a').reduce((a,b)=> a + b, 0);
}
return 0;
},
set(key,value){
return value;
}
}),
computed2: computed('list.[]', 'sum', {
get () {
return this.get('sum') / this.get('total') * 100;
},
set (key, value) {
this.set('sum', this.get('total') * (value / 100));
return value;
}
}),
init () {
this._super(...arguments);
this.set('computed2', 3);
}
});
<h1>Welcome to {{appName}}</h1>
<br>
<br>
{{outlet}}
<h1>sum: {{sum}}</h1>
<h1>computed2: {{computed2}}</h1>
<br>
<br>
{
"version": "0.15.1",
"EmberENV": {
"FEATURES": {}
},
"options": {
"use_pods": false,
"enable-testing": false
},
"dependencies": {
"jquery": "https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.js",
"ember": "3.4.3",
"ember-template-compiler": "3.4.3",
"ember-testing": "3.4.3"
},
"addons": {
"ember-data": "3.4.2"
}
}
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