Example of property and method decorator-like functions

property-and-method.js

function PropertyDecorator (propertyOptions) {
    // Modify the property in some way:
    return propertyDescriptor;
}

function MethodDecorator (methodOptions) {
    // Modify the method in some way:
    return methodDescriptor;
}

class MyClass {
    constructor() {
        Object.defineProperty(this, 'myProperty', PropertyDecorator({
            // ...
        }));
        Object.defineProperty(this, 'myMethod', MethodDecorator({
            // ...
        }));
    }
}