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@1276stella
Last active November 28, 2018 21:03
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ComputedProperty
import Ember from 'ember';
export default Ember.Component.extend({
actions: {
clickHandler() {
this.get('cards').removeAt(1);
}
}
});
import Ember from 'ember';
export default Ember.Controller.extend({
appName: 'Ember Twiddle',
cards: Ember.computed('categories', function getCards() {
return this.get('categories').mapBy('title');
}),
init() {
this.set('categories', Ember.A([
{
title: 'card 1',
subtitle: 'subtitle 1'
},
{
title: 'card 2',
subtitle: 'subtitle 1'
},
{
title: 'card 3',
subtitle: 'subtitle 1'
},
]));
},
actions: {
changeCategories() {
this.set('categories', Ember.A([
{
title: 'change categories - card 1',
subtitle: 'subtitle 1'
},
{
title: 'change categories - card 2',
subtitle: 'subtitle 2'
},
{
title: 'change categories - card 3',
subtitle: 'subtitle 3'
},
]));
}
}
});
<h1>Welcome to {{appName}}</h1>
<ul>
{{#each cards as |cardTitle|}}
<li>title: {{cardTitle}}</li>
{{/each}}
</ul>
<button {{action "changeCategories"}}>Change categories</button>
{{my-component cards=cards}}
{{count}}
<br>
<button {{action "clickHandler"}}>Remove a card</button>
{
"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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