Knockout-Kendo custom chart binding override to watch the graph options

kendoChart.js

ko.kendo.bindingFactory.createBinding({
    name: 'kendoChart',
    watch: {
        data: function (value) {
            ko.kendo.setDataSource(this, value);
        },
        options: function (value) {
            //unwrap observables from the options object
            var jsonOptions = ko.toJSON(value);
            //convert the unwrapped json to a plain object
            var options = JSON.parse(jsonOptions);
            //pass the options to the chart's setOptions method
            this.setOptions(options);
            this.refresh();
        }

    }
});