fix hot reload after wasm conditional compilation

src/main.rs

@@ -24,7 +24,7 @@ async fn main() {
     }
     rand::srand(macroquad::miniquad::date::now() as _);
 
-    let reader = hotwatch();
+    let (_hot, reader) = hotwatch();
 
     match read_file() {
         Err(err) => println!("Error: {err:#?}"),
@@ -70,7 +70,7 @@ fn read_file() -> std::io::Result<String> {
 }
 
 #[cfg(not(target_arch = "wasm32"))]
-fn hotwatch() -> Arc<RwLock<Option<ayin::ast::Program>>> {
+fn hotwatch() -> (hotwatch::Hotwatch, Arc<RwLock<Option<ayin::ast::Program>>>) {
     let writer = Arc::new(RwLock::new(None));
     let reader = writer.clone();
     let args: Vec<String> = std::env::args().collect();
@@ -93,11 +93,11 @@ fn hotwatch() -> Arc<RwLock<Option<ayin::ast::Program>>> {
             }
         })
         .expect("failed to watch file!");
-    reader
+    (hotwatch, reader)
 }
 #[cfg(target_arch = "wasm32")]
-fn hotwatch() -> Arc<RwLock<Option<ayin::ast::Program>>> {
+fn hotwatch() -> ((), Arc<RwLock<Option<ayin::ast::Program>>>) {
     let writer = Arc::new(RwLock::new(None));
     let reader = writer.clone();
-    reader
+    ((), reader)
 }