code optimization

Author: gwyneblaidd

src/elements/element.rectangle.js

@@ -123,13 +123,8 @@ module.exports = Element.extend({
 		// Find first (starting) corner with fallback to 'bottom'
 		var borders = ['bottom', 'left', 'top', 'right'];
 		var startCorner = borders.indexOf(borderSkipped, 0);
-		if (borderSkipped === null) {
+		if (borderSkipped === null || startCorner === -1) {
 			startCorner = 0;
-		} else {
-			startCorner = borders.indexOf(borderSkipped, 0);
-			if (startCorner === -1) {
-				startCorner = 0;
-			}
 		}
 
 		function cornerAt(index) {