Fixed regression

index.js

@@ -162,7 +162,7 @@ Router.prototype._insert = function _insert (method, path, kind, params, handler
         prefix.slice(len),
         currentNode.children,
         currentNode.kind,
-        new Node.Handlers(currentNode.handlers),
+        Node.buildHandlers(currentNode.handlers),
         currentNode.regex
       )
       if (currentNode.wildcardChild !== null) {

node.js

@@ -18,7 +18,7 @@ function Node (prefix, children, kind, handlers, regex) {
   this.children = children || {}
   this.numberOfChildren = Object.keys(this.children).length
   this.kind = kind || this.types.STATIC
-  this.handlers = handlers || new Handlers()
+  this.handlers = buildHandlers(handlers)
   this.regex = regex || null
   this.wildcardChild = null
   this.parametricBrother = null
@@ -84,7 +84,7 @@ Node.prototype.reset = function (prefix) {
   this.prefix = prefix
   this.children = {}
   this.kind = this.types.STATIC
-  this.handlers = new Handlers()
+  this.handlers = buildHandlers()
   this.numberOfChildren = 0
   this.regex = null
   this.wildcardChild = null
@@ -168,14 +168,16 @@ Node.prototype.prettyPrint = function (prefix, tail) {
   return tree
 }
 
-function Handlers (handlers) {
-  handlers = handlers || {}
-
+function buildHandlers (handlers) {
+  var code = ''
   for (var i in http.METHODS) {
     var m = http.METHODS[i]
-    this[m] = handlers[m] || null
+    code += `this['${m}'] = handlers['${m}'] || null
+    `
   }
+  const Fn = new Function('handlers', code) // eslint-disable-line
+  return new Fn(handlers || {})
 }
 
 module.exports = Node
-module.exports.Handlers = Handlers
+module.exports.buildHandlers = buildHandlers