define phetioCompareAPIs under phetio global, allow overwriting, phet…

…sims/natural-selection#266 phetsims/phet-io#1733
phetsims · Apr 12, 2021 · 3ba4968 · 3ba4968
1 parent 9a4239c
commit 3ba4968
Showing 1 changed file with 2 additions and 3 deletions.
diff --git a/js/phet-io/phetioCompareAPIs.js b/js/phet-io/phetioCompareAPIs.js
@@ -230,7 +230,6 @@ if ( typeof window === 'undefined' ) {
 }
 else {
 
-  // running in browser as a preload
-  assert && assert( !window.hasOwnProperty( 'phetioCompareAPIs' ), 'phetioCompareAPIs was unexpectedly already defined' );
-  window.phetioCompareAPIs = _phetioCompareAPIs;
+  window.phetio = window.phetio || {};
+  window.phetio.phetioCompareAPIs = _phetioCompareAPIs;
 }