Mule: use DataWeave variable for simple translation

gistfile1.txt

%dw 1.0
%output application/json
%var statusCodeToStatusDescription = {
  0 : "Success",
  1 : "Warning",
  2 : "Error"
}
---
payload.jobs map {
  name : $.name,
  url : $.url,
  status : statusCodeToStatusDescription[$.statusCode]
}