ES6 new syntax

[saveriopugliese79]

I searched issues but maybe not found.

This tool is great but it should be updated with new es6 syntax ...

For example it does not recognize ".?"
eg.

myObject?.myProp?.myNestedprop will be "prettyfied" to myObject ? .myProp ? .myNestedprop
or
var x = y?? "default" will be "prettyfied" to var x = y ? ? "default"

Or maybe I'm missing some option to turn on/off in the settings?

[x2358473]

我的也是。其它都很完美。就是遇到 ?. 很无奈。

[x2358473]

#778