fix #966

Author: o2sh

src/info/langs/language.tera

@@ -126,7 +126,7 @@ fn __stats_loc(language_type: &tokei::LanguageType, stats: &tokei::CodeStats) ->
             {%- set line_types = attrs.line_types | default(value=['code']) -%}
             tokei::LanguageType::{{ language }} => stats.{{ line_types.0 }}{% for line_type in line_types | slice(start=1) %} + stats.{{ line_type }}{% endfor %},
         {% endfor %}
-        _ => unimplemented!("Language Type {:?}", language_type),
+	_ => 0, // Tokei doesn't filter children languages according to the input config
     }
 }
 

src/info/langs/mod.rs

@@ -173,6 +173,35 @@ mod test {
         assert_eq!(loc_by_language[&Language::Jupyter], 21);
     }
 
+    // https://github.com/o2sh/onefetch/issues/966
+    #[test]
+    fn get_loc_by_language_should_not_panic_when_children_language_is_not_supported() {
+        let mut stylus_code_stats = tokei::CodeStats::new();
+        stylus_code_stats.code = 10;
+        stylus_code_stats.blanks = 2;
+        stylus_code_stats.comments = 4;
+
+        let mut stylus_report = tokei::Report::new("/tmp/file.vue".into());
+        stylus_report.stats = stylus_code_stats;
+
+        let mut vue = tokei::Language {
+            blanks: 50,
+            comments: 200,
+            code: 100,
+            ..Default::default()
+        };
+
+        vue.children
+            .insert(tokei::LanguageType::Stylus, vec![stylus_report]);
+
+        let mut languages = tokei::Languages::new();
+        languages.insert(tokei::LanguageType::Vue, vue);
+
+        let loc_by_language = get_loc_by_language(&languages).unwrap();
+
+        assert_eq!(loc_by_language[&Language::Vue], 100);
+    }
+
     #[test]
     fn test_get_loc_by_language_sorted() {
         let mut map = HashMap::new();