anchor.diff:  meteor npm i -D @types/meteor @types/mocha
   ```
   
  -Create a tsconfig.json under the folder `meteor-elm-app`
  +Create a tsconfig.json under the directory `meteor-elm-app`
   ```json
   {
       "compilerOptions": {
  
positive.code:   }
  ```
  
  NOTE: This definition comes from the typescript template provided by Meteor.
  I have just removed the support of JSX.
  
  === Create the file structure
  
  NOTE: We will setup a simple file structure here, for more complexe projects, you should follow the guideline provided by Meteor https://guide.meteor.com/structure.html#javascript-structure
  
  Run these commands
  ```
  
negative.code: 
  image::https://user-images.githubusercontent.com/2006548/84738510-53981b80-afaa-11ea-8d02-cdf6c42c26c0.png[]
  
  Here are the commands to install Meteor on OSX/Linux and Windows
  OSX / Linux
  
  ```shell
  