In a recent version change, parsing flow files introduced an error when a flow class overwrites the constructor type.

Input Code

class Foo {
  constructor: () => this;
}

Babylon/Babel Configuration

{
  "plugins": [
     "transform-class-properties",
      "transform-object-rest-spread"
   ],
   "presets": ["latest", "react"]
}

Expected Behavior

The file parses correctly. Flow parser accepts the syntax properly

Current Behavior

error  Parsing error: Classes may not have a non-static field named 'constructor'

Your Environment