JSFiddle - React, Tailwind, and code Playground

HTML

<link rel="stylesheet" href="//cdnjs.cloudflare.com/ajax/libs/jquery-contextmenu/1.6.5/jquery.contextMenu.min.css">
<script src="//code.jquery.com/jquery-2.1.4.min.js"></script>
<script src="//cdnjs.cloudflare.com/ajax/libs/jquery-contextmenu/1.6.5/jquery.contextMenu.min.js"></script>
<div id="context-menu-one" data-bind="contextMenu:{disabled:disableMenu}">Right-Click</div>
<select data-bind="value:disableMenu, options:disableOptions"></select>

JavaScript

ko.bindingHandlers.contextMenu = {
    init: function (element, data, allbindings, data) {
        $.contextMenu({
            selector: '#context-menu-one',
            callback: function (key, options) {
                var m = "clicked: " + key;
                window.console && console.log(m) || alert(m);
            },
            items: {
                "edit": {
                    name: "Clickable",
                    icon: "edit",
                    disabled: function (key, opt) {
                        return data.disableMenu();
                    }
                }
            }
        });
    }
};

var vm = (function () {
    return {
        disableMenu:ko.observable(false),
        disableOptions:[true,false]
    };
}());

ko.applyBindings(vm);