[Sheets] [Pt. 12] Add event for selected snap point change (#5584)

Co-authored-by: Eric Bailey <git@esb.lol>
Co-authored-by: Samuel Newman <mozzius@protonmail.com>

modules/bottom-sheet/src/BottomSheet.types.ts

@@ -3,6 +3,12 @@ import {ColorValue, NativeSyntheticEvent} from 'react-native'
 
 export type BottomSheetState = 'closed' | 'closing' | 'open' | 'opening'
 
+export enum BottomSheetSnapPoint {
+  Hidden,
+  Partial,
+  Full,
+}
+
 export interface BottomSheetViewProps {
   children: React.ReactNode
   cornerRadius?: number
@@ -15,6 +21,10 @@ export interface BottomSheetViewProps {
   minHeight?: number
   maxHeight?: number
 
+  onAttemptDismiss?: (event: NativeSyntheticEvent<object>) => void
+  onSnapPointChange?: (
+    event: NativeSyntheticEvent<{snapPoint: BottomSheetSnapPoint}>,
+  ) => void
   onStateChange?: (
     event: NativeSyntheticEvent<{state: BottomSheetState}>,
   ) => void