From 1db1415548f15ee65f857ab718d25a17001f8d75 Mon Sep 17 00:00:00 2001
From: Artur Arseniev <artur.catch@hotmail.it>
Date: Fri, 7 Dec 2018 15:47:40 +0100
Subject: [PATCH] Add `index` method to Component API

---
 src/dom_components/model/Component.js | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/src/dom_components/model/Component.js b/src/dom_components/model/Component.js
index 26f808325..2029cc75d 100644
--- a/src/dom_components/model/Component.js
+++ b/src/dom_components/model/Component.js
@@ -188,6 +188,15 @@ const Component = Backbone.Model.extend(Styleable).extend(
       return !!(this.get('type') == type);
     },
 
+    /**
+     * Get the index of the component in the parent collection.
+     * @return {Number}
+     */
+    index() {
+      const { collection } = this;
+      return collection && collection.indexOf(this);
+    },
+
     /**
      * Find inner components by query string.
      * **ATTENTION**: this method works only with already rendered component