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@geleto
Last active October 27, 2016 13:54
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Aurelia: collectionObserver
<template>
<div repeat.for="i of messages.length">
<input type="text" value.bind="$parent.messages[i]">
</div>
<button click.delegate="deleteFirst()">Delete First</button>
</template>
import {BindingEngine, inject} from 'aurelia-framework';
@inject(BindingEngine)
export class App {
constructor(bindingEngine) {
this.bindingEngine = bindingEngine;
this.messages = ['Alpha','Bravo','Charlie','Delta','Echo'];
let subscription = this.bindingEngine.collectionObserver(this.messages).subscribe(this.listChanged);
}
listChanged(splices) {
console.log( splices );
}
deleteFirst(){
this.messages.splice(0,1);
}
}
<!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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