minify only some files

src/main.rs

@@ -27,24 +27,46 @@ async fn main() -> io::Result<()> {
     println!("Listening to {}://{}:{}", config.scheme, addr.0, addr.1);
 
     let static_folder = "static";
-    let dist_folder = "dist";
+    let dist_folder = format!("dist/{static_folder}");
 
     // The static folder is minimized only in release mode
     let folder = if cfg!(debug_assertions) {
         format!("{static_folder}/")
     } else {
-        let cfg = Cfg::new();
+        let cfg = Cfg::spec_compliant();
 
         for entry in glob(&format!("{static_folder}/**/*.*")).unwrap() {
             let path = entry.unwrap();
-            let data = fs::read_to_string(&path).unwrap();
+            let path_with_dist = path.to_string_lossy().replace(static_folder, &dist_folder);
-            let minified = minify(data.as_bytes(), &cfg);
 
-            let path_with_dist = path.to_string_lossy().replace(static_folder, dist_folder);
+            // Create folders
             let new_path = Path::new(&path_with_dist);
             fs::create_dir_all(new_path.parent().unwrap()).unwrap();
-            let mut file = File::create(path_with_dist)?;
+
-            file.write_all(&minified)?;
+            let mut copy = true;
+            if let Some(ext) = path.extension() {
+                // List of files who should be minified
+                if ["html", "css", "js", "svg", "webmanifest", "xml"]
+                    .iter()
+                    .any(|item| ext.to_string_lossy().to_lowercase().contains(item))
+                {
+                    // We won't copy, we'll minify
+                    copy = false;
+
+                    // Minify
+                    let data = fs::read(&path).unwrap();
+                    let minified = minify(&data, &cfg);
+
+                    // Write files
+                    let mut file = File::create(&path_with_dist)?;
+                    file.write_all(&minified)?;
+                }
+            }
+
+            if copy {
+                // If no minification is needed
+                fs::copy(path, path_with_dist)?;
+            }
         }
 
         format!("{dist_folder}/")