Feat/remove tree middleware (#45)

* feat: remove middlewares from tree

* feat: remove middlewares from tree

* feat: remove middlewares from tree

fox.go

@@ -172,7 +172,6 @@ func (fox *Router) ClientIPStrategyEnabled() bool {
 // This API is EXPERIMENTAL and is likely to change in future release.
 func (fox *Router) NewTree() *Tree {
 	tree := new(Tree)
-	tree.mws = fox.mws
 	tree.fox = fox
 
 	// Pre instantiate nodes for common http verb

fox_test.go

@@ -2755,6 +2755,13 @@ func TestRouteMiddleware(t *testing.T) {
 	assert.True(t, c2)
 }
 
+func TestMiddlewareLength(t *testing.T) {
+	f := New(DefaultOptions())
+	r := f.MustHandle(http.MethodGet, "/", emptyHandler, WithMiddleware(Recovery(), Logger()))
+	assert.Len(t, f.mws, 2)
+	assert.Len(t, r.mws, 4)
+}
+
 func TestWithNotFoundHandler(t *testing.T) {
 	notFound := func(c Context) {
 		_ = c.String(http.StatusNotFound, "NOT FOUND\n")

tree.go

@@ -34,7 +34,6 @@ type Tree struct {
 	ctx   sync.Pool
 	nodes atomic.Pointer[[]*node]
 	fox   *Router
-	mws   []middleware
 	sync.Mutex
 	maxParams atomic.Uint32
 	maxDepth  atomic.Uint32
@@ -954,7 +953,7 @@ func (t *Tree) newRoute(path string, handler HandlerFunc, opts ...PathOption) *R
 		ipStrategy:            t.fox.ipStrategy,
 		hbase:                 handler,
 		path:                  path,
-		mws:                   t.mws,
+		mws:                   t.fox.mws,
 		redirectTrailingSlash: t.fox.redirectTrailingSlash,
 		ignoreTrailingSlash:   t.fox.ignoreTrailingSlash,
 	}