react-prop-types | Additional PropTypes for React | Frontend Framework library

I just started learning react with bootstrap by following a tutorial here:

react-bootstrap getting started

The installation step says :

I am trying to use React Bootstrap -library having this in my build.sbt

I am using docker in my dev environment with hot module replacement on macOS. I can run my app successfully and when changing files webpack hot reloading actually picks up the change. However, the recompile always fails at this step with the following error message:

webpack.config

This is my webpack configuration:

I have seen several issues posted that look a lot like this, but none of the solutions have helped so far. I am trying to come up to speed on React. I have tried following every tutorial I could find on the web including some pretty simple, straightforward ones. Not matter what I try, I keep getting an unexpected token error.

index.js:

I am getting this error after run yarn start. I am trying to develop a hello-word ReactJS app with webpack and Babel

[WDS] Disconnected! Content Security Policy: The page’s settings blocked the loading of a resource at http://cdnjs.cloudflare.com/ajax/libs/semantic-ui/2.2.12/semantic.min.css (“style-src”). Content Security Policy: The page’s settings blocked the loading of a resource at blob:http://localhost:3000/edcc77c5-a0d7-4b24-9f6d-5e740ffd77df (“style-src”).

This is my webpack.config.js file

My problem is function "connect" has no wrap my App-component, therefore Redux doesn't work.

I tryed clone some repositories with react+redux+typescript - there are all works, and mine application not.

And therefore I can't catch props (user) in my App.

I think my user.ts file is not correct, but it's not important now, I mean problem is not there :)

In typescript compiler (webpack) and browser console have not any errors.

index.ts:

I'm using eslint-loader (for webpack 2) in my application, and I have this error: