src/tui/editor.rs

@@ -19,6 +19,7 @@ pub struct Editor {
     pub state: EditorState,
     pub event_handler: EditorEventHandler,
     pub file_path: Option<std::path::PathBuf>,
+    syntax_set: SyntaxSet,
 }
 
 impl Editor {
@@ -27,6 +28,7 @@ impl Editor {
             state: EditorState::default(),
             event_handler: EditorEventHandler::default(),
             file_path: None,
+            syntax_set: SyntaxSet::load_defaults_nonewlines(),
         }
     }
 
@@ -59,10 +61,11 @@ impl Widget for &mut Editor {
             .and_then(|p| p.extension())
             .map(|e| e.to_str().unwrap_or("md"))
             .unwrap_or("md");
-        let lang_name = SyntaxSet::load_defaults_nonewlines()
+        let lang_name = self
+            .syntax_set
             .find_syntax_by_extension(lang)
             .map(|s| s.name.to_string())
-            .unwrap_or_else(|| "Unknown".to_string());
+            .unwrap_or("Unknown".to_string());
 
         EditorView::new(&mut self.state)
             .wrap(true)