function getCognitoUsername()

in todo-src/updateTodo/app.js [45:51]

• 7 lines of code
• 2 McCabe index (conditional complexity)

function getCognitoUsername(event) {
  let authHeader = event.requestContext.authorizer;
  if (authHeader !== null) {
    return authHeader.claims["cognito:username"];
  }
  return null;
}