JSFiddle - React, Tailwind, and code Playground

JavaScript

(function() {
    var Guard = (function () {
        function Guard() {
        }
        Guard.ThrowIfNull = function (argument, argumentName) {
            if (argument == null) {
                throw "The argument '" + argumentName + "' cannot be null.";
            }
        };
        return Guard;
    })();
})();

Guard.ThrowIfNull(null, 'argumentName');