Cache size of all lines except the last

Author: sunesimonsen

lib/utils.js

@@ -34,6 +34,10 @@ var utils = {
     },
 
     calculateLineSize: function (line) {
+        if (line.size) {
+            return line.size;
+        }
+
         var size = { height: 1, width: 0 };
         line.forEach(function (outputEntry) {
             var outputEntrySize = utils.calculateOutputEntrySize(outputEntry);
@@ -46,10 +50,13 @@ var utils = {
 
     calculateSize: function (lines) {
         var size = { height: 0, width: 0 };
-        lines.forEach(function (line) {
+        lines.forEach(function (line, index) {
             var lineSize = utils.calculateLineSize(line);
             size.height += lineSize.height;
             size.width = Math.max(size.width, lineSize.width);
+            if (index < lines.length - 1) {
+                line.size = lineSize;
+            }
         });
         return size;
     },