language: node_js
node_js:
- '6'
- '8'
- '10'
- '12'
notifications:
  email:
    on_success: never
  slack:
    secure: hHI67BDSUiJQeEiJI/+XJzR/oSsjYPoylhqY10WIZWXfs4TIrdLe513Fzt9BnDNtxpHnCqkgqCb1lF8gNkkOhJKezfDwOZK6HKpNp+zfn7WqBxL0VB3rPw3JoOO9JWoELwV2LyUutbw7m4+OMO45eWgQmQM4mddUMHjyV0awa7A=
