Null-safe property access (and conditional assignment) in ES6/2015

Question

Is there a null-safe property access (null propagation / existence) operator in ES6 (ES2015/JavaScript.next/Harmony) like ?. in

Answer 1

// Typescript
static nullsafe(instance: T, func: (T) => R): R {
    return func(instance)
}

// Javascript
function nullsafe(instance, func) {
    return func(instance);
};

// use like this
const instance = getSomething();
let thing = nullsafe(instance, t => t.thing0.thing1.thingx);