anchor.diff:  
             // devPrint('Using require');
             try {
  -            await _useRequire();
  +            await useRequire();
             } catch (_) {
               /*
               devPrint('Loading js');
  
positive.code:         //devPrint(js.context['define']);
          // Tone defined globally?
  
          void _useGlobal() {
            _toneContext = ToneContext._(tone_js.GlobalTone);
          }
  
          if (js.context['Tone'] != null) {
            // devPrint('Global tone object');
            _useGlobal();
          } else if (js.context['require'] != null) {
            Future _useRequire() async {
              var completer = Completer();
              tone_js.require([path], allowInterop((tone_js.Tone native) {
                _toneContext = ToneContext._(native);
  
negative.code:         } else {
            // devPrint('Loading global js');
            await tone_js.loadToneJs(path: path);
            useGlobal();
          }
          // devPrint(_toneContext.nativeInstance.version);
  
  