Add a failing test for unused variables bug

2023-12-21 21:34:37 +01:00
parent 5ffe8c72fa
commit b1c5a568dd
2 changed files with 16 additions and 2 deletions
--- a/src/Language/GraphQL/Validate/Rules.hs
+++ b/src/Language/GraphQL/Validate/Rules.hs
@ -618,6 +618,10 @@ noUndefinedVariablesRule =
        , "\"."
        ]

+-- Used to find the difference between defined and used variables. The first
+-- argument are variables defined in the operation, the second argument are
+-- variables used in the query. It should return the difference between these
+-- 2 sets.
 type UsageDifference
    = HashMap Full.Name [Full.Location]
    -> HashMap Full.Name [Full.Location]