Merge pull request #271 from koenbok/check-setter-equal

Don't set the same values for layer

framer/Layer.coffee

@@ -22,19 +22,22 @@ layerProperty = (obj, name, cssProperty, fallback, validator, transformer, optio
 	result = 
 		default: fallback
 		get: -> 
+
 			# console.log "Layer.#{name}.get #{@_properties[name]}", @_properties.hasOwnProperty(name)
+
 			return @_properties[name] if @_properties.hasOwnProperty(name)
 			return fallback
 
 		set: (value) ->
 
-			# console.log "Layer.#{name}.set #{value}"
+			# console.log "Layer.#{name}.set #{value} current:#{@[name]}"
 
-			if value and transformer
-				value = transformer(value)
-			else if value == null and transformer
+			if transformer and (value or value is null) 
 				value = transformer(value)
 
+			# Return unless we get a new value
+			return if value is @_properties[name]
+
 			if value and validator and not validator(value)
 				layerValueTypeError(name, value)