create-react-app.yml

version: '1'
tasks:
  start:
    description: Start development mode
    dir: /home/example/cra
    cmds:
      - npm start # Starts create react app development mode
  
  test:
    description: Test application components
    dir: /home/example/cra
    sources: (.)*.(js|jsx)$ # We are watching all .js or .jsx files
    cmds:
      - npm test # Runs jest tests
  
  build:
    description: Build application 
    dir: /home/example/cra
    cmds:
      - npm run build # Runs jest tests