Move IntersectionObserver to react-native/src/private (facebook#45792)

Summary:
Pull Request resolved: facebook#45792

Changelog: [internal]

These files are safe to move because they haven't been enabled in OSS and people shouldn't be importing them directly.

Differential Revision: D60377868

packages/react-native/Libraries/__tests__/__snapshots__/public-api-test.js.snap

@@ -5424,84 +5424,6 @@ declare module.exports: TaskQueue;
 
 exports[`public API should not change unintentionally Libraries/Interaction/TouchHistoryMath.js 1`] = `"UNTYPED MODULE"`;
 
-exports[`public API should not change unintentionally Libraries/IntersectionObserver/IntersectionObserver.js 1`] = `
-"export type IntersectionObserverCallback = (
-  entries: Array<IntersectionObserverEntry>,
-  observer: IntersectionObserver
-) => mixed;
-type IntersectionObserverInit = {
-  threshold?: number | $ReadOnlyArray<number>,
-};
-declare export default class IntersectionObserver {
-  _callback: IntersectionObserverCallback;
-  _thresholds: $ReadOnlyArray<number>;
-  _observationTargets: Set<ReactNativeElement>;
-  _intersectionObserverId: ?IntersectionObserverId;
-  constructor(
-    callback: IntersectionObserverCallback,
-    options?: IntersectionObserverInit
-  ): void;
-  get root(): ReactNativeElement | null;
-  get rootMargin(): string;
-  get thresholds(): $ReadOnlyArray<number>;
-  observe(target: ReactNativeElement): void;
-  unobserve(target: ReactNativeElement): void;
-  disconnect(): void;
-  _getOrCreateIntersectionObserverId(): IntersectionObserverId;
-  __getObserverID(): ?IntersectionObserverId;
-}
-"
-`;
-
-exports[`public API should not change unintentionally Libraries/IntersectionObserver/IntersectionObserverEntry.js 1`] = `
-"declare export default class IntersectionObserverEntry {
-  _nativeEntry: NativeIntersectionObserverEntry;
-  _target: ReactNativeElement;
-  constructor(
-    nativeEntry: NativeIntersectionObserverEntry,
-    target: ReactNativeElement
-  ): void;
-  get boundingClientRect(): DOMRectReadOnly;
-  get intersectionRatio(): number;
-  get intersectionRect(): DOMRectReadOnly;
-  get isIntersecting(): boolean;
-  get rootBounds(): DOMRectReadOnly;
-  get target(): ReactNativeElement;
-  get time(): DOMHighResTimeStamp;
-}
-declare export function createIntersectionObserverEntry(
-  entry: NativeIntersectionObserverEntry,
-  target: ReactNativeElement
-): IntersectionObserverEntry;
-"
-`;
-
-exports[`public API should not change unintentionally Libraries/IntersectionObserver/IntersectionObserverManager.js 1`] = `
-"export type IntersectionObserverId = number;
-declare export function registerObserver(
-  observer: IntersectionObserver,
-  callback: IntersectionObserverCallback
-): IntersectionObserverId;
-declare export function unregisterObserver(
-  intersectionObserverId: IntersectionObserverId
-): void;
-declare export function observe({
-  intersectionObserverId: IntersectionObserverId,
-  target: ReactNativeElement,
-}): void;
-declare export function unobserve(
-  intersectionObserverId: number,
-  target: ReactNativeElement
-): void;
-"
-`;
-
-exports[`public API should not change unintentionally Libraries/IntersectionObserver/NativeIntersectionObserver.js 1`] = `
-"export * from \\"../../src/private/specs/modules/NativeIntersectionObserver\\";
-declare export default typeof NativeIntersectionObserver;
-"
-`;
-
 exports[`public API should not change unintentionally Libraries/JSInspector/InspectorAgent.js 1`] = `
 "export type EventSender = (name: string, params: mixed) => void;
 declare class InspectorAgent {

packages/react-native/Libraries/__tests__/public-api-test.js

@@ -40,7 +40,7 @@ const FILES_WITH_KNOWN_ERRORS = new Set([
   'Libraries/Core/setUpDeveloperTools.js',
   'Libraries/Core/setUpErrorHandling.js',
   'Libraries/Core/setUpGlobals.js',
-  'Libraries/Core/setUpIntersectionObserver.js',
+  'src/private/setup/setUpIntersectionObserver.js',
   'Libraries/Core/setUpMutationObserver.js',
   'Libraries/Core/setUpNavigator.js',
   'Libraries/Core/setUpPerformance.js',

packages/react-native/Libraries/Core/setUpIntersectionObserver.js → packages/react-native/src/private/setup/setUpIntersectionObserver.js

@@ -8,9 +8,9 @@
  * @format
  */
 
-import {polyfillGlobal} from '../Utilities/PolyfillFunctions';
+import {polyfillGlobal} from '../../../Libraries/Utilities/PolyfillFunctions';
 
 polyfillGlobal(
   'IntersectionObserver',
-  () => require('../IntersectionObserver/IntersectionObserver').default,
+  () => require('../webapis/intersectionobserver/IntersectionObserver').default,
 );

packages/react-native/Libraries/IntersectionObserver/IntersectionObserver.js → packages/react-native/src/private/webapis/intersectionobserver/IntersectionObserver.js

@@ -13,7 +13,7 @@
 import type IntersectionObserverEntry from './IntersectionObserverEntry';
 import type {IntersectionObserverId} from './IntersectionObserverManager';
 
-import ReactNativeElement from '../../src/private/webapis/dom/nodes/ReactNativeElement';
+import ReactNativeElement from '../dom/nodes/ReactNativeElement';
 import * as IntersectionObserverManager from './IntersectionObserverManager';
 
 export type IntersectionObserverCallback = (

packages/react-native/Libraries/IntersectionObserver/IntersectionObserverEntry.js → packages/react-native/src/private/webapis/intersectionobserver/IntersectionObserverEntry.js

@@ -10,10 +10,10 @@
 
 // flowlint unsafe-getters-setters:off
 
-import type ReactNativeElement from '../../src/private/webapis/dom/nodes/ReactNativeElement';
-import type {NativeIntersectionObserverEntry} from './NativeIntersectionObserver';
+import type ReactNativeElement from '../dom/nodes/ReactNativeElement';
+import type {NativeIntersectionObserverEntry} from './specs/NativeIntersectionObserver';
 
-import DOMRectReadOnly from '../../src/private/webapis/dom/geometry/DOMRectReadOnly';
+import DOMRectReadOnly from '../dom/geometry/DOMRectReadOnly';
 
 /**
  * The [`IntersectionObserverEntry`](https://developer.mozilla.org/en-US/docs/Web/API/IntersectionObserverEntry)

packages/react-native/Libraries/IntersectionObserver/IntersectionObserverManager.js → packages/react-native/src/private/webapis/intersectionobserver/IntersectionObserverManager.js

@@ -18,20 +18,17 @@
  * the notifications together.
  */
 
-import type ReactNativeElement from '../../src/private/webapis/dom/nodes/ReactNativeElement';
+import type ReactNativeElement from '../dom/nodes/ReactNativeElement';
 import type IntersectionObserver, {
   IntersectionObserverCallback,
 } from './IntersectionObserver';
 import type IntersectionObserverEntry from './IntersectionObserverEntry';
 
-import {
-  getInstanceHandle,
-  getShadowNode,
-} from '../../src/private/webapis/dom/nodes/ReadOnlyNode';
-import * as Systrace from '../Performance/Systrace';
-import warnOnce from '../Utilities/warnOnce';
+import * as Systrace from '../../../../Libraries/Performance/Systrace';
+import warnOnce from '../../../../Libraries/Utilities/warnOnce';
+import {getInstanceHandle, getShadowNode} from '../dom/nodes/ReadOnlyNode';
 import {createIntersectionObserverEntry} from './IntersectionObserverEntry';
-import NativeIntersectionObserver from './NativeIntersectionObserver';
+import NativeIntersectionObserver from './specs/NativeIntersectionObserver';
 
 export type IntersectionObserverId = number;
 

packages/react-native/src/private/specs/modules/NativeIntersectionObserver.js → packages/react-native/src/private/webapis/intersectionobserver/specs/NativeIntersectionObserver.js

@@ -8,9 +8,9 @@
  * @format
  */
 
-import type {TurboModule} from '../../../../Libraries/TurboModule/RCTExport';
+import type {TurboModule} from '../../../../../Libraries/TurboModule/RCTExport';
 
-import * as TurboModuleRegistry from '../../../../Libraries/TurboModule/TurboModuleRegistry';
+import * as TurboModuleRegistry from '../../../../../Libraries/TurboModule/TurboModuleRegistry';
 
 export type NativeIntersectionObserverEntry = {
   intersectionObserverId: number,

packages/react-native/Libraries/IntersectionObserver/__mocks__/NativeIntersectionObserver.js → packages/react-native/src/private/webapis/intersectionobserver/specs/__mocks__/NativeIntersectionObserver.js

@@ -8,16 +8,16 @@
  * @format
  */
 
-import type ReactNativeElement from '../../../src/private/webapis/dom/nodes/ReactNativeElement';
-import type IntersectionObserver from '../IntersectionObserver';
+import type ReactNativeElement from '../../../dom/nodes/ReactNativeElement';
+import type IntersectionObserver from '../../IntersectionObserver';
 import type {
   NativeIntersectionObserverEntry,
   NativeIntersectionObserverObserveOptions,
   Spec,
 } from '../NativeIntersectionObserver';
 
-import {getShadowNode} from '../../../src/private/webapis/dom/nodes/ReadOnlyNode';
-import {getFabricUIManager} from '../../ReactNative/__mocks__/FabricUIManager';
+import {getFabricUIManager} from '../../../../../../Libraries/ReactNative/__mocks__/FabricUIManager';
+import {getShadowNode} from '../../../dom/nodes/ReadOnlyNode';
 import invariant from 'invariant';
 import nullthrows from 'nullthrows';
 

packages/rn-tester/js/examples/MutationObserver/VisualCompletionExample/VCTrackerExample.js

@@ -11,9 +11,9 @@
 import type DOMRectReadOnly from 'react-native/src/private/webapis/dom/geometry/DOMRectReadOnly';
 import type ReadOnlyNode from 'react-native/src/private/webapis/dom/nodes/ReadOnlyNode';
 
-import IntersectionObserver from 'react-native/Libraries/IntersectionObserver/IntersectionObserver';
 import MutationObserver from 'react-native/Libraries/MutationObserver/MutationObserver';
 import ReactNativeElement from 'react-native/src/private/webapis/dom/nodes/ReactNativeElement';
+import IntersectionObserver from 'react-native/src/private/webapis/intersectionobserver/IntersectionObserver';
 
 export type VisualElement = {
   time: number,