support a null pointer to check isTouchLike, phetsims/scenery#1156

phetsims · Mar 3, 2021 · 0ef21a5 · 0ef21a5
1 parent b3c1e1b
commit 0ef21a5
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/js/HomeScreenButton.js b/js/HomeScreenButton.js
@@ -170,7 +170,7 @@ class HomeScreenButton extends VBox {
     // touchover, in which case we need to guard on touchdown since we don't want to double fire for touchover and
     // touchdown, see https://github.com/phetsims/joist/issues/624
     const buttonDown = () => {
-      if ( isSelectedProperty.value && ( !( fireListener.pointer.isTouchLike() ) || buttonWasAlreadySelected ) ) {
+      if ( isSelectedProperty.value && ( !( fireListener.pointer && fireListener.pointer.isTouchLike() ) || buttonWasAlreadySelected ) ) {
         homeScreenModel.screenProperty.value = screen;
       }
       else {