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didReceiveAttrs array changes
import Ember from 'ember';
export default Ember.Controller.extend({
appName:'Ember Twiddle',
items: [
'Item 1',
'Item 2',
'Item 3',
'Item 4'
],
actions: {
addItem() {
let text = this.get('itemText');
this.get('items').pushObject(text);
}
}
});
<h1>Welcome to {{appName}}</h1>
<br>
<br>
{{my-component items=items}}
<br>
{{input value=itemText}}
<button onclick={{action "addItem"}}>Add Item</button>
<br>
import Ember from 'ember';
export default Ember.Component.extend({
didReceiveAttrs(newAttrs, oldAttrs) {
console.log('received attrs', newAttrs, oldAttrs);
return this._super.call(...arguments);
},
didUpdateAttrs(newAttrs, oldAttrs) {
console.log('updated attrs', newAttrs, oldAttrs);
return this._super.call(...arguments);
},
willRender() {
console.log('will render', arguments);
}
});
<ul>
{{#each items as |i|}}
<li>{{i}}</li>
{{/each}}
</ul>
{
"version": "0.5.0",
"EmberENV": {
"FEATURES": {}
},
"options": {
"enable-testing": false
},
"dependencies": {
"jquery": "https://cdnjs.cloudflare.com/ajax/libs/jquery/1.11.3/jquery.js",
"ember": "https://cdnjs.cloudflare.com/ajax/libs/ember.js/2.2.0/ember.debug.js",
"ember-data": "https://cdnjs.cloudflare.com/ajax/libs/ember-data.js/2.2.0/ember-data.js",
"ember-template-compiler": "https://cdnjs.cloudflare.com/ajax/libs/ember.js/2.2.0/ember-template-compiler.js"
}
}
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