test.ncl

let language = "javascript" in
let JavascriptContract = std.contract.from_predicate (fun x => std.string.contains "npm" x) in
let RustContract = std.contract.from_predicate(fun x => std.string.contains "cargo" x) in
let CommonContract = std.contract.from_predicate(fun x => std.string.contains "artifact" x) in
let contract_array = if language == "javascript" then [CommonContract, JavascriptContract]  else [CommonContract, RustContract] in
let ContractSequence = std.contract.Sequence contract_array in
let data = "npm run artifact" in
data | ContractSequence