Ensure the middleware will be called at most once for one request.

lsm · Dec 1, 2015 · c39204f · c39204f
1 parent 4262cca
commit c39204f
Showing 1 changed file with 6 additions and 0 deletions.
diff --git a/lib/web/middleware/express-layout.js b/lib/web/middleware/express-layout.js
@@ -24,6 +24,12 @@ module.exports = function(app) {
   app.set('micromono layout name', layoutName)
 
   return function renderLayout(req, res, next) {
+    if (req.__micromono_layout_attached__) {
+      next()
+      return
+    }
+    req.__micromono_layout_attached__ = true
+
     var _end = res.end
     var _write = res.write
     var _writeHead = res.writeHead