fix: provide default value for snapPoints

Author: janicduplessis

src/BottomSheetView.tsx

@@ -72,6 +72,8 @@ function BottomSheetModalScreen({
   );
 }
 
+const DEFAULT_SNAP_POINTS = ['66%'];
+
 type Props = BottomSheetNavigationConfig & {
   state: BottomSheetNavigationState<ParamListBase>;
   navigation: BottomSheetNavigationHelpers;
@@ -107,7 +109,7 @@ export function BottomSheetView({ state, descriptors }: Props) {
           index,
           backgroundStyle,
           handleIndicatorStyle,
-          snapPoints,
+          snapPoints = DEFAULT_SNAP_POINTS,
           ...sheetProps
         } = options;
 

src/types.tsx

@@ -88,7 +88,7 @@ export type BottomSheetNavigationOptions = Omit<
    * snapPoints={['%100']}
    * @type Array<string | number>
    */
-  snapPoints: Array<string | number>;
+  snapPoints?: Array<string | number>;
 };
 
 export type BottomSheetNavigatorProps = DefaultNavigatorOptions<