Create an Ext JS store that processes data from Reddit's JSON API

extreddit.js

Ext.define('MyApp.store.base.RedditStore', {
    extend: 'Ext.data.Store',

    config: {
        storeId: 'MyJsonPStore',
        proxy: {
            type: 'jsonp',
            url: 'http://www.reddit.com/hot.json',
            callbackKey: 'jsonp',
            reader: {
                type: 'json',
                rootProperty: 'data.children',
                record: 'data'
            }
        },
        fields: [
            {
                name: 'title'
            },
            {
                name: 'author'
            },
            {
                name: 'score'
            },
            {
                dateFormat: 'timestamp',
                name: 'created',
                type: 'date'
            }
        ]
    }
});