Fixing issue with worker on wasm targets

Author: gents83

src/worker/mod.rs

@@ -34,14 +34,18 @@ pub enum PreferWorkerKind {
     Multithreaded,
 }
 
+
 /// Execute something with a worker system.
 pub fn with_worker<T>(prefer: PreferWorkerKind, f: impl FnOnce(&mut dyn Worker) -> T) -> T {
+    #[cfg(any(target_arch = "asmjs", target_arch = "wasm32"))]
+    {
+        return self::immediate::with_immediate(f);
+    }
     match prefer {
-        #[cfg(not(any(target_arch = "asmjs", target_arch = "wasm32")))]
         #[cfg(feature = "rayon")]
         PreferWorkerKind::Multithreaded => self::rayon::with_rayon(f),
-        #[cfg(not(any(target_arch = "asmjs", target_arch = "wasm32")))]
         PreferWorkerKind::Multithreaded => self::multithreaded::with_multithreading(f),
         _ => self::immediate::with_immediate(f),
     }
 }
+