How to setup a Mobx + React web development environment so you can use @-decorators & Co.

mobx-react-setup.md

Setup Mobx + React Dev Environment

create-react-app <app_name>
cd <app_name>
npm run eject
npm i -s mobx mobx-react babel-plugin-transform-decorators-legacy
touch .babelrc

Then put the following in your .babelrc:

{
  "presets": ["react"],
  "plugins": ["transform-decorators-legacy",
  "transform-class-properties"]
}

Now you can use @observable & Co. Have fun!