8.10-generic-login-async-await.js

module.exports.login = async (event, context) => { // Lambda is async!
  try {
    const db = await connectToDatabase();
    const session = await login(JSON.parse(event.body));
    return {
      statusCode: 200,
      body: JSON.stringify(session)
    };
  } catch (error) {
    console.error(error.stack);
    return {
      statusCode: 500,
      body: JSON.stringify(error.message)
    };
  }
};