From c1b0117bf5990c15c8a9af46ecdeced84a454f57 Mon Sep 17 00:00:00 2001
From: Ilya Laktyushin <ilya@laktyush.in>
Date: Tue, 2 Apr 2019 17:57:18 +0200
Subject: [PATCH] Added haptic feedback on collection index scroll

---
 Display/CollectionIndexNode.swift | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/Display/CollectionIndexNode.swift b/Display/CollectionIndexNode.swift
index 81faf5befb..feb54052c4 100644
--- a/Display/CollectionIndexNode.swift
+++ b/Display/CollectionIndexNode.swift
@@ -10,6 +10,7 @@ public final class CollectionIndexNode: ASDisplayNode {
     private var currentSections: [String] = []
     private var currentColor: UIColor?
     private var titleNodes: [String: (node: ImmediateTextNode, size: CGSize)] = [:]
+    private var scrollFeedback: HapticFeedback?
     
     private var currentSelectedIndex: String?
     public var indexSelected: ((String) -> Void)?
@@ -148,6 +149,11 @@ public final class CollectionIndexNode: ASDisplayNode {
                     self.currentSelectedIndex = locationTitle
                     if let locationTitle = locationTitle {
                         self.indexSelected?(locationTitle)
+                        
+                        if self.scrollFeedback == nil {
+                            self.scrollFeedback = HapticFeedback()
+                        }
+                        self.scrollFeedback?.tap()
                     }
                 }
             case .cancelled, .ended: