JSFiddle - React, Tailwind, and code Playground

JavaScript

var assign = function(role) {
    var cacheName = "__ methpd Cahce";
    return {
        to: function(rolePlayer) {
            var cache, unbind;
            for (var prop in role) {
                if (role.hasOwnProperty(prop)) {
                    if (rolePlayer.hasOwnProperty(prop)) {
                        if (!rolePlayer[cacheName]) {
                            rolePlayer[cacheName] = {};
                        }
                        rolePlayer[cacheName][prop] = rolePlayer[prop];
                    }
                    rolePlayer[prop] = function() {
                        return role[prop].apply(rolePlayer, arguments);
                    };
                }
            }
            unbind = rolePlayer.unbind;
            if(unbind) {
                cache.unbind = unbind;
            }
            rolePlayer.unbind =  function() {
              var prop, cache = rolePlayer[cacheName];
              for (prop in role) {
                if (role.hasOwnProperty(prop) && rolePlayer.hasOwnProperty(prop)) {
                    delete rolePlayer[prop];
                }
              }
              delete rolePlayer.unbind;
              if (cache) {
                for (var prop in cache) {
                    rolePlayer[prop] = cache[prop];
                }
              }
            };
            return rolePlayer;
        }
    };
},
    createContext = function (context){
        return function(){
            var args = arguments,
                ctx = context.apply(this,arguments);
            ctx.unbind = function() {
              var i,len,arg;
                for(i=0, len = args.length; i<len; i += 1) {
                    arg = args[i];
                    arg.unbind && arg.unbind();
                }
            };
        return ctx
        };
    }
    moneyTransfer = createContext(function(sourcePlayer, destinationPlayer, amount) {
        var source = {
                withdraw: function() {
                    var text =...