(function($, wpmm, wpmvlv) { wpmm.visualizer = {}; wpmm.visualizer.Chart = Backbone.Model.extend({ sync: function(method, model, options) { if ('delete' === method) { options = options || {}; options.data = _.extend( options.data || {}, { action: wpmvlv.actions.delete_chart, chart: model.get('id'), nonce: wpmvlv.nonce }); return wp.media.ajax( options ); } else { return; } } }); })(jQuery, wp.media.model, wp.media.view.l10n.visualizer);