refactor(core): move scrollContext to singletons

packages/sanity/src/core/components/scroll/scrollContext.ts → packages/sanity/src/_singletons/components/scroll/scrollContext.ts

@@ -1,4 +1,7 @@
-import {type PubSub} from 'nano-pubsub'
+import type {PubSub} from 'nano-pubsub'
 import {createContext} from 'react'
 
+/**
+ * @internal
+ */
 export const ScrollContext = createContext<null | PubSub<Event>>(null)

packages/sanity/src/_singletons/index.ts

@@ -1,2 +1,3 @@
 export * from './changeIndicators/ConnectorContext'
 export * from './components/previewCard/PreviewCardContext'
+export * from './components/scroll/scrollContext'

packages/sanity/src/core/components/scroll/hooks.ts

@@ -1,7 +1,6 @@
 import {type Subscriber} from 'nano-pubsub'
 import {useContext, useEffect} from 'react'
-
-import {ScrollContext} from './scrollContext'
+import {ScrollContext} from 'sanity/_singletons'
 
 /** @internal */
 export function useOnScroll(callback: Subscriber<Event>) {

packages/sanity/src/core/components/scroll/scrollContainer.tsx

@@ -10,8 +10,7 @@ import {
   useEffect,
   useMemo,
 } from 'react'
-
-import {ScrollContext} from './scrollContext'
+import {ScrollContext} from 'sanity/_singletons'
 
 /** @internal */
 export interface ScrollContainerProps<T extends ElementType>