For some reason textureType can be undefined, seems okay

jzaefferer · jzaefferer · commit f54a8cd7f2ee · 2016-07-13T11:32:29.000+02:00
diff --git a/lib/themeroller.js b/lib/themeroller.js
@@ -218,7 +218,7 @@ ThemeRoller.prototype = {
 
 	_textureUrl: function( color, textureType, opacity ) {
 		var image, texture;
-		if ( textureType === "flat" ) {
+		if ( !textureType || textureType === "flat" ) {
 			return "";
 		}
 		texture = textures[ textureType ];

Original file line number	Diff line number	Diff line change
`@@ -218,7 +218,7 @@ ThemeRoller.prototype = {`
`218`	`218`
`219`	`219`	`_textureUrl: function( color, textureType, opacity ) {`
`220`	`220`	`var image, texture;`
`221`		`- if ( textureType === "flat" ) {`
	`221`	`+ if ( !textureType \|\| textureType === "flat" ) {`
`222`	`222`	`return "";`
`223`	`223`	`}`
`224`	`224`	`texture = textures[ textureType ];`