Pass auxiliary class files to zinc so they are deleted together

scalajslib/src/mill/scalajslib/ScalaJSModule.scala

@@ -295,7 +295,7 @@ trait ScalaJSModule extends scalalib.ScalaModule { outer =>
     ))
   }
 
-  override protected def auxiliaryClassFileExtensions: T[Seq[String]] =
+  override def auxiliaryClassFileExtensions: T[Seq[String]] =
     super.auxiliaryClassFileExtensions() :+ "sjsir"
 
 }

scalalib/src/mill/scalalib/JavaModule.scala

@@ -1006,6 +1006,11 @@ trait JavaModule
 
   def forkWorkingDir: T[Path] = T { T.workspace }
 
+  /**
+   * Files extensions that need to be managed by Zinc together with class files
+   */
+  def auxiliaryClassFileExtensions: T[Seq[String]] = T { Seq.empty[String] }
+
   /**
    * @param all If `true` fetches also source dependencies
    */

scalalib/src/mill/scalalib/ScalaModule.scala

@@ -549,10 +549,7 @@ trait ScalaModule extends JavaModule with TestModule.ScalaModuleBase { outer =>
     else ZincWorkerUtil.scalaBinaryVersion(scalaVersion())
   }
 
-  /**
-   * Files extensions that need to be managed by Zinc together with class files
-   */
-  protected def auxiliaryClassFileExtensions: T[Seq[String]] = T {
+  override def auxiliaryClassFileExtensions: T[Seq[String]] = T {
     if (ZincWorkerUtil.isScala3(scalaVersion())) Seq("tasty")
     else Seq.empty[String]
   }

scalanativelib/src/mill/scalanativelib/ScalaNativeModule.scala

@@ -335,7 +335,7 @@ trait ScalaNativeModule extends ScalaModule { outer =>
     }
   }
 
-  override protected def auxiliaryClassFileExtensions: T[Seq[String]] =
+  override def auxiliaryClassFileExtensions: T[Seq[String]] =
     super.auxiliaryClassFileExtensions() :+ "nir"
 
 }