amplify docs requests

amplify docs requests.md

me

• validation lambda trigger docs nonexistent https://docs.amplify.aws/lib/auth/advanced/q/platform/js#lambda-triggers
• document amplify update api shit - aws-amplify/amplify-cli#3480 and aws-amplify/amplify-cli#4314 with primary and secondary
• lambda env vars aws-amplify/amplify-cli#2227

https://twitter.com/PipoPeperoni

• have meaningful readme for @aws-amplify/ui-react
• readable changelog
• document what changed between v2 and v3
• typescript examples for all docs

Cognito

It looks like the Pre Sign-up Lambda Trigger should be used for custom validations. You can prevent sign ups that way, but there is no way to really create a good response to it. You can just throw 'some-message' and the response will be 400: { "__type": "UserLambdaValidationException", "message": "PreSignUp failed with error some-message." }.
This makes it very hard to create a good UX in the frontend, because it's hard to really handle a couple of different reasons I need to match() the message now with a RegExp.

# CDK

CDK is sooo good. I actually just used Amplify to easily test the auth process in a mocked frontend and have no need for Amplify infrastructure. It would be actually awesome (in my very personal limited view) if Amplify would just offer some nice CDK packages I can integrate into my existing CDK infrastructure code. Like "Amplify offers opinionated CDK constructs" while CDK on its own is unopinionated.