sandbox module in gjs

[Jonatan Liljedahl <lijon kymatica com>]

Is there anything similar to Seeds sandbox module in Gjs?

something like this:

c = new imports.sandbox.Context;
c.global.foo = 123;
c.eval("print(foo);bar=42;"); //prints 123
print(c.global.bar); //prints 42
c.destroy();

/Jonatan