Add current breadcrumbs caching

Signed-off-by: Julio Motol <julio.motol89@gmail.com>

src/Manager.php

@@ -21,6 +21,13 @@ class Manager
      */
     protected $generator;
 
+    /**
+     * The cached current breadcrumb trail.
+     *
+     * @var Collection
+     */
+    protected $cachedCurrentBreadcrumbs;
+
     /**
      * Create the instance of the manager.
      *
@@ -56,13 +63,17 @@ public function for(string $route, Closure $definition)
      */
     public function current($parameters = null): Collection
     {
+        if ($this->cachedCurrentBreadcrumbs) {
+            return $this->cachedCurrentBreadcrumbs;
+        }
+
         $name = optional(Route::current())->getName();
 
         if ($name === null) {
             return collect();
         }
 
-        return $this->generate($name, $parameters);
+        return $this->cachedCurrentBreadcrumbs = $this->generate($name, $parameters);
     }
 
     /**