It is simple code example TypeScript in React.js I don't use Router, Redux or other library, only react and TS.
If you want to start the project, install build configuration react-create-app and run npm install for install all dependence
To display a map I used the npm package react-yandex-maps
I get data from website http://jsonplaceholder.typicode.com/users
The project is implemented the server error handling and error code. There's a data download indicator with the API