From 4d787ed64fef6bb3c1559ce4ee5663d4723a2558 Mon Sep 17 00:00:00 2001
From: A Farzat <a@farzat.xyz>
Date: Tue, 9 Jun 2026 19:55:36 +0300
Subject: Group similar languages together in testing

---
 src/util/language.rs | 34 ++++++++++++++++++++--------------
 1 file changed, 20 insertions(+), 14 deletions(-)

diff --git a/src/util/language.rs b/src/util/language.rs
index 080b26e..c9bd1ea 100644
--- a/src/util/language.rs
+++ b/src/util/language.rs
@@ -19,6 +19,7 @@ fn detect_from_extension(filename: &Path) -> Option<&'static str> {
         Some("toml") => Some("toml"),
         Some("yaml") | Some("yml") => Some("yaml"),
         Some("js") | Some("jsx") => Some("javascript"),
+        Some("ts") | Some("tsx") => Some("typescript"),
         _ => None,
     }
 }
@@ -74,23 +75,28 @@ mod tests {
     }
 
     #[test]
-    fn yaml_extension_is_detected() {
-        assert_eq!(detect_language(Path::new("config.yaml"), ""), "yaml");
-    }
-
-    #[test]
-    fn yml_alias_maps_to_yaml() {
-        assert_eq!(detect_language(Path::new("config.yml"), ""), "yaml");
-    }
-
-    #[test]
-    fn js_extension_is_detected() {
-        assert_eq!(detect_language(Path::new("file.js"), ""), "javascript");
+    fn javascript_family_extensions_map_correctly() {
+        let cases = [
+            ("file.js", "javascript"),
+            ("file.jsx", "javascript"),
+            ("file.ts", "typescript"),
+            ("file.tsx", "typescript"),
+        ];
+        for (filename, expected) in cases {
+            assert_eq!(detect_language(Path::new(filename), ""), expected);
+        }
     }
 
     #[test]
-    fn jsx_maps_to_javascript() {
-        assert_eq!(detect_language(Path::new("file.jsx"), ""), "javascript");
+    fn json_derived_extensions_map_correctly() {
+        let cases = [
+            ("file.json", "json"),
+            ("file.yml", "yaml"),
+            ("file.yaml", "yaml"),
+        ];
+        for (filename, expected) in cases {
+            assert_eq!(detect_language(Path::new(filename), ""), expected);
+        }
     }
 
     #[test]
-- 
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