From 7489a70735afc759560535b767f2477ba388a005 Mon Sep 17 00:00:00 2001
From: Hailey <me@haileyok.com>
Date: Wed, 2 Oct 2024 18:05:57 -0700
Subject: [PATCH] add event to ios

---
 .../bottom-sheet/ios/BottomSheetModule.swift    |  3 ++-
 modules/bottom-sheet/ios/SheetView.swift        | 17 ++++++++++++++++-
 2 files changed, 18 insertions(+), 2 deletions(-)

diff --git a/modules/bottom-sheet/ios/BottomSheetModule.swift b/modules/bottom-sheet/ios/BottomSheetModule.swift
index 2b4498adf7..01ffef67c7 100644
--- a/modules/bottom-sheet/ios/BottomSheetModule.swift
+++ b/modules/bottom-sheet/ios/BottomSheetModule.swift
@@ -10,8 +10,9 @@ public class BottomSheetModule: Module {
 
     View(SheetView.self) {
       Events([
+        "onAttemptDismiss",
+        "onSnapPointChange",
         "onStateChange",
-        "onAttemptDismiss"
       ])
 
       AsyncFunction("dismiss") { (view: SheetView) in
diff --git a/modules/bottom-sheet/ios/SheetView.swift b/modules/bottom-sheet/ios/SheetView.swift
index ccf7fcb23d..2146f1bc03 100644
--- a/modules/bottom-sheet/ios/SheetView.swift
+++ b/modules/bottom-sheet/ios/SheetView.swift
@@ -7,8 +7,9 @@ class SheetView: ExpoView, UISheetPresentationControllerDelegate {
   private var innerView: UIView?
 
   // Events
-  private let onStateChange = EventDispatcher()
   private let onAttemptDismiss = EventDispatcher()
+  private let onSnapPointChange = EventDispatcher()
+  private let onStateChange = EventDispatcher()
 
   // Open event firing
   private var isOpen: Bool = false {
@@ -158,4 +159,18 @@ class SheetView: ExpoView, UISheetPresentationControllerDelegate {
   func presentationControllerDidDismiss(_ presentationController: UIPresentationController) {
     self.destroy()
   }
+  
+  func sheetPresentationControllerDidChangeSelectedDetentIdentifier(_ sheetPresentationController: UISheetPresentationController) {
+    let identifier = sheetPresentationController.selectedDetentIdentifier
+    
+    if identifier == .large {
+      onSnapPointChange([
+        "snapPoint": 2,
+      ])
+    } else {
+      onSnapPointChange([
+        "snapPoint": 1,
+      ])
+    }
+  }
 }