Amplify-js: Uncaught TypeError: Cannot set property 'createCredentials' of undefined

[phstc]

This is just to continue the thread left in the archived repo: https://github.com/aws/amazon-cognito-identity-js/issues/679

[phstc]

@PrashanthThugaiah are you also using babel-polyfill?

[PrashanthThugaiah]

No.

[supun19]

I also have this issue. any updates

[stevemao]

A workaround: https://github.com/MacKentoch/react-redux-bootstrap-webpack-starter/issues/5#issuecomment-330178816

I've had totally the same trouble, so now I can share with u details.
The reason is UglifyJsPlugin. Try to disable the plugin or setup it in a way to skip/exclude aws sdk.

It works :)

[Lasim]

Same here.

[simodroussi]

I've had the same problem when I build my app (in dev mode its working well). I have pinned down the problem to aws-amplify installing amazon-cognito-identity-js in /node_modules with crypto-browserify@^1.0.9 dependency. I fixed it by updating crypto-browserify to 3.12.0 in amazon-cognito-identity-js but that only works in my local machine. When my colleagues use 'npm install' in their machines, they run into the same issue. Is there any fix for this?

[davidpbowe]

This might not be the best solution but just to get the application working I removed the UglifyJSPlugin from my webpack config. Then built and ran it again

[simodroussi]

You are right it's not the best solution. At least for me.

[daviskoh]

same issue. yikes..

[daviskoh]

https://github.com/MacKentoch/react-redux-bootstrap-webpack-starter/issues/5#issuecomment-335106227

worked for me though I am unsure how viable this is for everyone

[elorzafe]

Closed by PR #1773