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Aurelia - change to a bound repeat input element is applied to the VM a second time after the element has been deleted.
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| <template> | |
| <h3>messages</h3> | |
| <p>${messages.length}</p> | |
| <p>${messages}</p> | |
| <div repeat.for="i of messages.length"> | |
| <input type="text" value.bind="$parent.messages[i]" input.delegate="onMessageChanged(i)"> | |
| </div> | |
| </template> |
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| import { computedFrom } from 'aurelia-framework'; | |
| import {BindingEngine, inject} from 'aurelia-framework'; | |
| @inject(BindingEngine) | |
| export class App { | |
| constructor(bindingEngine) { | |
| this.bindingEngine = bindingEngine; | |
| this.messages = ['Alpha','Bravo','Charlie','Delta','Echo']; | |
| } | |
| bind () { | |
| this.subscription = this.bindingEngine | |
| .collectionObserver(this.messages) | |
| .subscribe(this.messagesChanged); | |
| } | |
| unbind () { | |
| this.subscription.dispose(); | |
| } | |
| messagesChanged(...args) { | |
| console.log('> messagesChanged!'); | |
| console.log(args); | |
| } | |
| onMessageChanged(i){ | |
| console.log('> onMessageChanged'); | |
| var message = this.messages[i]; | |
| console.log(message); | |
| // this.filteredMessages[i] = message; | |
| // this.filteredMessages = this.messages; | |
| // for( var i=0; i<this.messages.length;i++ ){ | |
| // if(this.messages[i]==''){ | |
| // this.messages.splice(i,1); | |
| // console.log( 'deleted element #'+i+', messages:'+this.messages ); | |
| // break; | |
| // } | |
| // } | |
| // window.setTimeout(()=>{ | |
| // console.log( 'and a bit later, messages:'+this.messages ); | |
| // },100); | |
| } | |
| } |
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| <!doctype html> | |
| <html> | |
| <head> | |
| <title>Aurelia</title> | |
| <meta name="viewport" content="width=device-width, initial-scale=1"> | |
| </head> | |
| <body aurelia-app> | |
| <h1>Loading...</h1> | |
| <script src="https://jdanyow.github.io/rjs-bundle/node_modules/requirejs/require.js"></script> | |
| <script src="https://jdanyow.github.io/rjs-bundle/config.js"></script> | |
| <script src="https://jdanyow.github.io/rjs-bundle/bundles/aurelia.js"></script> | |
| <script src="https://jdanyow.github.io/rjs-bundle/bundles/babel.js"></script> | |
| <script> | |
| require(['aurelia-bootstrapper']); | |
| </script> | |
| </body> | |
| </html> |
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