JavaScript as a distinct language, but uses TypeScript parser

src/Language.hs

@@ -13,10 +13,11 @@ import Term
 data Language =
       C
     | Go
+    | JavaScript
     | Markdown
-    | Ruby
-    | TypeScript -- ^ Also JavaScript.
     | Python
+    | Ruby
+    | TypeScript
     deriving (Show, Eq, Read, Generic, ToJSON)
 
 -- | Returns a Language based on the file extension (including the ".").

src/Parser.hs

@@ -53,6 +53,7 @@ parserForLanguage Nothing = LineByLineParser
 parserForLanguage (Just language) = case language of
   C -> TreeSitterParser C tree_sitter_c
   Go -> TreeSitterParser Go tree_sitter_go
+  JavaScript -> TreeSitterParser TypeScript tree_sitter_typescript
   Ruby -> TreeSitterParser Ruby tree_sitter_ruby
   TypeScript -> TreeSitterParser TypeScript tree_sitter_typescript
   _ -> LineByLineParser