Make watchify ignore node_modules

Author: joguSD

lib/build-response.js

@@ -18,7 +18,7 @@ module.exports = function send(path, options) {
   } else if (options.cache === 'dynamic') {
     var response, resolve;
     var updatingTimeout;
-    bundle = watchify(bundle, {poll: true, delay: 0});
+    bundle = watchify(bundle, {poll: true, delay: 0, ignoreWatch: true});
     bundle.on('update', function () {
       if (resolve) {
         clearTimeout(updatingTimeout);