Handle void object case

[guybedford]

This adds void to the list of { prefix tokens that imply block statement braces.

Fixes #22.

Again, these are academic edge cases, and don't affect real world code.

[nicolo-ribaudo]

Sorry, I think I wasn't clear in the issue 😅
The bug is the other way around: the regexp isn't correctly handled in the case without void.

I now think that the problem is that a { at the beginning of the file is not handled like other blocks (i.e. if I prefix it with if (foo) it works)

EDIT: This is a more readable test (but it currently throws instead of returning the wrong result):

{}

/'/.test(myString);

module.exports.foo = 2;

[guybedford]

Ah thanks for clarifying. If it's specifically to do with the start of the source it sounds like it might be a start check? Do you have an approach in mind here?