support layouts in vash

Author: MoLow

lib/consolidate.js

@@ -1336,7 +1336,10 @@ exports.vash.render = function(str, options, fn) {
             }
 
             var tmpl = cache(options) || cache(options, engine.compile(str, options));
-            fn(null, tmpl(options).replace(/\n$/, ''));
+            tmpl(options, function sealLayout(err, ctx) {
+                ctx.finishLayout();
+                fn(null, ctx.toString().replace(/\n$/, ''));
+            });
         } catch (err) {
             fn(err);
         }