Justin Ridgewell 56500603da
Add stricter Optional Chain node validation (#11250)
* Add stricter Optional Chain node validation

Optional chains cannot start with `optional: false`. Somewhere in the `object`/`callee` tree, there must be an optional with `optional: true`.

* Print current node's type when finding an error.
2020-03-17 02:17:11 +01:00
..
2020-03-16 23:07:01 +01:00
2020-03-16 23:07:01 +01:00