Have a layer resize script, but need it to work when layer is great than 550px

hi,

 

i've luckily found script layer resize needed. thing is, want script deploy if current layer greater 550px - existing code script below:

 

 (function (){     var startrulerunits = app.preferences.rulerunits;       app.preferences.rulerunits = units.pixels;     var bounds = activedocument.activelayer.bounds;       var width = bounds[2].value - bounds[0].value;     var newsize = (100 / width) * 550;       activedocument.activelayer.resize(newsize, newsize, anchorposition.bottomleft);     app.preferences.rulerunits = startrulerunits;   })(); 

 

if can explain how can use if function, appreciated!

 

many in anticipation.

	(function (){
	var startrulerunits = app.preferences.rulerunits;
	app.preferences.rulerunits = units.pixels;
	var bounds = activedocument.activelayer.bounds;
	var width = bounds[2].value - bounds[0].value;
	if(width > 550){
	var newsize = (100 / width) * 550;
	activedocument.activelayer.resize(newsize, newsize, anchorposition.bottomleft);
	}
	app.preferences.rulerunits = startrulerunits;
	})();

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