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#each re-render bug
import Ember from 'ember';
export default Ember.Controller.extend({
appName: 'Ember Twiddle',
init() {
this._super(...arguments);
this.set('range', Array(5));
},
makeChange(idx, e) {
console.log('makeChange', idx);
const range = this.get('range').slice(0);
range[idx] = !range[idx]
console.log('range', range);
this.set('range', range);
}
});
<h1>Welcome to {{appName}}</h1>
<br>
<h2>Without key="@index"</h2>
{{#each range as |value idx|}}
<label>{{input type="checkbox" checked=value change=(action makeChange idx)}}{{idx}}: {{value}}</label><br/>
{{/each}}
<br>
<h2>With key="@index"</h2>
{{#each range key="@index" as |value idx|}}
<label>{{input type="checkbox" checked=value change=(action makeChange idx)}}{{idx}}: {{value}}</label><br/>
{{/each}}
{{outlet}}
<br>
<br>
{
"version": "0.15.0",
"EmberENV": {
"FEATURES": {}
},
"options": {
"use_pods": false,
"enable-testing": false
},
"dependencies": {
"jquery": "https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.js",
"ember": "3.2.2",
"ember-template-compiler": "3.2.2",
"ember-testing": "3.2.2"
},
"addons": {
"ember-data": "3.2.0"
}
}
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