refactor(core): move VirtualizerScrollInstanceContext to singletons

packages/sanity/src/_singletons/form/inputs/arrays/ArrayOfObjectsInput/List/VirtualizerScrollInstanceContext.ts

@@ -0,0 +1,10 @@
+import {createContext} from 'react'
+import type {VirtualizerScrollInstance} from 'sanity'
+
+/**
+ * This is used to store the reference to the scroll element for virtualizer
+ * @internal
+ */
+export const VirtualizerScrollInstanceContext = createContext<VirtualizerScrollInstance | null>(
+  null,
+)

packages/sanity/src/_singletons/index.ts

@@ -11,3 +11,4 @@ export * from './form/field/HoveredFieldContext'
 export * from './form/FormBuilderContext'
 export * from './form/FormValueContext'
 export * from './form/GetFormValueContext'
+export * from './form/inputs/arrays/ArrayOfObjectsInput/List/VirtualizerScrollInstanceContext'

packages/sanity/src/core/form/inputs/arrays/ArrayOfObjectsInput/List/VirtualizerScrollInstanceProvider.tsx

@@ -1,9 +1,7 @@
 import {type ReactNode} from 'react'
+import {VirtualizerScrollInstanceContext} from 'sanity/_singletons'
 
-import {
-  type VirtualizerScrollInstance,
-  VirtualizerScrollInstanceContext,
-} from './useVirtualizerScrollInstance'
+import {type VirtualizerScrollInstance} from './useVirtualizerScrollInstance'
 
 /**
  * @internal

packages/sanity/src/core/form/inputs/arrays/ArrayOfObjectsInput/List/useVirtualizerScrollInstance.tsx

@@ -1,4 +1,5 @@
-import {createContext, type MutableRefObject, useContext} from 'react'
+import {type MutableRefObject, useContext} from 'react'
+import {VirtualizerScrollInstanceContext} from 'sanity/_singletons'
 
 /**
  * @internal
@@ -14,14 +15,6 @@ export interface VirtualizerScrollInstance {
   containerElement: MutableRefObject<HTMLElement | null>
 }
 
-/**
- * This is used to store the reference to the scroll element for virtualizer
- * @internal
- */
-export const VirtualizerScrollInstanceContext = createContext<VirtualizerScrollInstance | null>(
-  null,
-)
-
 /**
  * @internal
  */