Radarr/src/UI/Settings/Indexers/IndexerCollection.js

var Backbone = require('backbone');
var IndexerModel = require('./IndexerModel');

module.exports = Backbone.Collection.extend({
    model : IndexerModel,
    url   : window.NzbDrone.ApiRoot + '/indexer',

    comparator : function(left, right, collection) {
        var result = 0;

        if (left.get('protocol')) {
            result = -left.get('protocol').localeCompare(right.get('protocol'));
        }

        if (result === 0 && left.get('name')) {
            result = left.get('name').localeCompare(right.get('name'));
        }

        if (result === 0) {
            result = left.get('implementation').localeCompare(right.get('implementation'));
        }

        return result;
    }
});