replaced init constructor with explicit set operations, see #75

phetsims · Sep 10, 2019 · e5d64ef · e5d64ef
1 parent bc061db
commit e5d64ef
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diff --git a/js/sound-generators/CheckboxSoundGenerator.js b/js/sound-generators/CheckboxSoundGenerator.js
@@ -33,13 +33,12 @@ define( require => {
         initialOutputLevel: 0.7
       }, options );
 
-      super(
-        new Map( [
-          [ true, checkboxChecked ],
-          [ false, checkboxUnchecked ]
-        ] ),
-        options
-      );
+      // create the map of boolean values to sounds
+      const valuesToSoundInfoMap = new Map(); // can't use initialization constructor since it's not supported in IE
+      valuesToSoundInfoMap.set( true, checkboxChecked );
+      valuesToSoundInfoMap.set( false, checkboxUnchecked );
+
+      super( valuesToSoundInfoMap, options );
 
       const checkboxPropertyListener = value => {
         if ( !resetInProgressProperty.value ) {

diff --git a/js/sound-generators/ScreenSelectionSoundGenerator.js b/js/sound-generators/ScreenSelectionSoundGenerator.js
@@ -28,10 +28,13 @@ define( require => {
      */
     constructor( currentScreenProperty, iconIndexProperty, options ) {
 
-      super(
-        new Map( [ [ 0, iconSelectedSound ], [ 1, homeSelectedSound ], [ 2, screenSelectedSound ] ] ),
-        options
-      );
+      // create the map of screen index values to sounds
+      const valuesToSoundInfoMap = new Map(); // can't use initialization constructor since it's not supported in IE
+      valuesToSoundInfoMap.set( 0, iconSelectedSound );
+      valuesToSoundInfoMap.set( 1, homeSelectedSound );
+      valuesToSoundInfoMap.set( 2, screenSelectedSound );
+
+      super( valuesToSoundInfoMap, options );
 
       // play the sound when the user selects a different icon on the home screen
       iconIndexProperty.lazyLink( () => {