💫 Update: ModalView.modalSheetDetents Prop

Summary: Update `ModalView.modalSheetDetents` to support `RNIComputableOffset`.

ios/src_library/React Native/RNIModal/RNIModalCustomSheetDetent.swift

@@ -30,6 +30,8 @@ struct RNIModalCustomSheetDetent {
   let mode: RNIModalCustomSheetDetentMode;
   let key: String;
 
+  let offset: RNIComputableOffset?;
+
   let onDetentDidCreate: OnDetentDidCreate?;
 
   init?(
@@ -64,6 +66,8 @@ struct RNIModalCustomSheetDetent {
 
     guard let mode = mode else { return nil };
     self.mode = mode;
+
+    self.offset = RNIComputableOffset(fromDict: dict as NSDictionary);
   };
 
   @available(iOS 15.0, *)
@@ -75,19 +79,30 @@ struct RNIModalCustomSheetDetent {
 
   @available(iOS 16.0, *)
   var synthesizedDetent: UISheetPresentationController.Detent {
-    return .custom(identifier: self.synthesizedDetentIdentifier) {
+    return .custom(identifier: self.synthesizedDetentIdentifier) { context in
+
+
+      let computedValueBase: Double = {
+        switch self.mode {
+          case let .relative(value):
+            return value * context.maximumDetentValue;
+
+          case let .constant(value):
+            return value;
+        };
+      }();
+
+      let computedValueWithOffset =
+        self.offset?.compute(withValue: computedValueBase);
+
+      let computedValue = computedValueWithOffset ?? computedValueBase;
+
       self.onDetentDidCreate?(
         $0.containerTraitCollection,
         $0.maximumDetentValue
       );
-
-      switch self.mode {
-        case let .relative(value):
-          return value * $0.maximumDetentValue;
 
-        case let .constant(value):
-          return value;
-      };
-    }
+      return computedValue;
+    };
   };
 };

src/types/RNIModalTypes.ts

@@ -1,7 +1,9 @@
-// prettier-ignore
+/* eslint-disable prettier/prettier */
+
+import type { RNIComputableOffset } from "./RNIComputable";
 
 /** Maps to `RNIModalCustomSheetDetent` */
-export type RNIModalCustomSheetDetent = {
+export type RNIModalCustomSheetDetent = Partial<RNIComputableOffset> & {
   mode: 'relative';
   key: string;
   sizeMultiplier: number;