don't print doubled lints twice

1 files changed, 4 insertions, 3 deletions

diff --git a/lib/LintWriter.hs b/lib/LintWriter.hs
index eb7d138..2b891c3 100644
--- a/lib/LintWriter.hs
+++ b/lib/LintWriter.hs
@@ -52,8 +52,9 @@ import           Control.Monad.Writer.Lazy  (lift)
 import           Data.Bifunctor             (Bifunctor (second))
 import           Data.Map                   (Map, fromListWith)
 import           Data.Maybe                 (mapMaybe)
+import qualified Data.Set                   as S
 import           LintConfig                 (LintConfig')
-import           TiledAbstract              (HasName)
+import           TiledAbstract              (HasName (getName))
 import           Types                      (Dep, Hint, Level (..), Lint (..),
                                              hint, lintsToHints)
 
@@ -106,9 +107,9 @@ zoom embed extract operation = do
 
 
 -- | "invert" a linter's result, grouping lints by their messages
-invertLintResult :: HasName ctxt => LintResult ctxt -> Map Hint [ctxt]
+invertLintResult :: HasName ctxt => LintResult ctxt -> Map Hint [Text]
 invertLintResult (LinterState (lints, ctxt)) =
-  fromListWith (<>) $ (, [ctxt]) <$> lintsToHints lints
+  fmap (S.toList . S.fromList . fmap getName) . fromListWith (<>) $ (, [ctxt]) <$> lintsToHints lints
 
 resultToDeps :: LintResult a -> [Dep]
 resultToDeps (LinterState (lints,_)) = mapMaybe lintToDep lints