Don't check type annotations when deciding params scope (#11349)

* Don't check type annotations when deciding params scope * Also type params
2020-04-05 23:43:20 +02:00
parent aeebc08234
commit 65d09e46a0
7 changed files with 47 additions and 0 deletions
--- a/packages/babel-plugin-transform-parameters/src/params.js
+++ b/packages/babel-plugin-transform-parameters/src/params.js
@@ -36,6 +36,9 @@ const iifeVisitor = {
      path.stop();
    }
  },
+  // type annotations don't use or introduce "real" bindings
+  "TypeAnnotation|TSTypeAnnotation|TypeParameterDeclaration|TSTypeParameterDeclaration": path =>
+    path.skip(),
 };

 export default function convertFunctionParams(path, loose) {