message: Convert to arrow function
diff: @@ -30,9 +30,7 @@ function updateCode(ast: t.AST, selection: Selection): t.Transformed {
  kind,
  declarations.map(({ id }) => t.variableDeclarator(id))
  ),
  - ...declarations
  - .filter(isDeclarationInitialized)
  - .map(function ({ id, init }) {
  + ...declarations.filter(isDeclarationInitialized).map(({ id, init }) => {
  if (id.type == "Identifier" && "typeAnnotation" in id) {
  id = t.identifier(id.name); // new identifier without annotation
  }
  