React knockout binding

react-binding.js

function isFunction(functionToCheck) {
    var getType = {};
    return functionToCheck && getType.toString.call(functionToCheck) === '[object Function]';
}

ko.bindingHandlers.react = {
    init: function () {
        return {
            controlsDescendantBindings: true
        };
    },

    update: async function (element, valueAccessor, allBindings) {
        var options = ko.unwrap(valueAccessor());

        if (options && options.import) {

            var props = options.props == null ? null : isFunction(options.props) ? options.props() : options.props;

            var name = options.name || "default";
            var constructor = (await import(options.import))[name];

            var componentInstance = ReactDOM.render(React.createElement(constructor, props), element);

            if (options.callback) {
                options.callback(componentInstance);
            }
        }
    }
}