Expose renderer through unstable internals (#58618)

packages/react-native/src/unstable-internals-do-not-use.d.ts

@@ -14,6 +14,8 @@
 // ----------------------------------------------------------------------------
 
 import type * as React from 'react';
+import type {ColorValue} from '../types_generated/Libraries/StyleSheet/StyleSheet';
+import type {ProcessedColorValue} from '../types_generated/Libraries/StyleSheet/processColor';
 
 // #region AppContainer
 
@@ -64,6 +66,17 @@ export class AssetSourceResolver {
   static pickScale(scales: number[], deviceScale?: number): number;
 }
 
+// #endregion
+// #region ConditionallyIgnoredEventHandlers
+
+/**
+ * Marks generated event-handler view-config attributes as conditionally
+ * ignored on platforms that do not synthesize them from native view managers.
+ */
+export function ConditionallyIgnoredEventHandlers<
+  T extends Readonly<Record<string, true>>,
+>(value: T): T | undefined;
+
 // #endregion
 // #region customDirectEventTypes
 
@@ -212,3 +225,41 @@ interface PressabilityDebugViewProps {
 export const PressabilityDebugView: React.ComponentType<PressabilityDebugViewProps>;
 
 // #endregion
+// #region Renderer
+
+/** Renderer APIs used by generated Codegen modules. */
+export * as Renderer from '../types_generated/Libraries/ReactNative/RendererImplementation';
+
+// #endregion
+// #region Codegen view config helpers
+
+export const colorAttribute:
+  | true
+  | Readonly<{
+      process: typeof import('../types_generated/Libraries/StyleSheet/processColor').default;
+    }>;
+
+export function processColorArray(
+  colors: ReadonlyArray<ColorValue> | null | undefined,
+): ReadonlyArray<ProcessedColorValue> | null;
+
+type Point = {
+  x: number | null | undefined;
+  y: number | null | undefined;
+};
+
+export function pointsDiffer(
+  one: Point | null | undefined,
+  two: Point | null | undefined,
+): boolean;
+
+type EdgeInsets = {
+  top: number | null | undefined;
+  left: number | null | undefined;
+  right: number | null | undefined;
+  bottom: number | null | undefined;
+};
+
+export function insetsDiffer(one: EdgeInsets, two: EdgeInsets): boolean;
+
+// #endregion

packages/react-native/src/unstable-internals-do-not-use.js

@@ -40,15 +40,21 @@
 // and unstable-internals-do-not-use.js.flow.
 // ----------------------------------------------------------------------------
 
+import typeof {colorAttribute} from '../Libraries/Components/View/ReactNativeStyleAttributes';
 import typeof getDevServer from '../Libraries/Core/Devtools/getDevServer';
 import typeof NativeExceptionsManager from '../Libraries/Core/NativeExceptionsManager';
 import typeof AssetSourceResolver from '../Libraries/Image/AssetSourceResolver';
+import typeof {ConditionallyIgnoredEventHandlers} from '../Libraries/NativeComponent/ViewConfigIgnore';
 import typeof NativeRedBox from '../Libraries/NativeModules/specs/NativeRedBox';
 import typeof NativeSourceCode from '../Libraries/NativeModules/specs/NativeSourceCode';
 import typeof {PressabilityDebugView} from '../Libraries/Pressability/PressabilityDebug';
 import typeof AppContainer from '../Libraries/ReactNative/AppContainer';
+import typeof * as Renderer from '../Libraries/ReactNative/RendererProxy';
 import typeof {customDirectEventTypes} from '../Libraries/Renderer/shims/ReactNativeViewConfigRegistry';
+import typeof processColorArray from '../Libraries/StyleSheet/processColorArray';
 import typeof DevLoadingView from '../Libraries/Utilities/DevLoadingView';
+import typeof insetsDiffer from '../Libraries/Utilities/differ/insetsDiffer';
+import typeof pointsDiffer from '../Libraries/Utilities/differ/pointsDiffer';
 import typeof HMRClient from '../Libraries/Utilities/HMRClient';
 
 // flowlint unsafe-getters-setters:off
@@ -60,6 +66,12 @@ module.exports = {
   get AssetSourceResolver(): AssetSourceResolver {
     return require('../Libraries/Image/AssetSourceResolver').default;
   },
+  get ConditionallyIgnoredEventHandlers(): ConditionallyIgnoredEventHandlers<{
+    readonly [name: string]: true,
+  }> {
+    return require('../Libraries/NativeComponent/ViewConfigIgnore')
+      .ConditionallyIgnoredEventHandlers;
+  },
   get customDirectEventTypes(): customDirectEventTypes {
     return require('../Libraries/Renderer/shims/ReactNativeViewConfigRegistry')
       .customDirectEventTypes;
@@ -86,4 +98,22 @@ module.exports = {
     return require('../Libraries/Pressability/PressabilityDebug')
       .PressabilityDebugView;
   },
+  // Generated Codegen modules can be emitted outside this package, so they
+  // cannot use package-relative imports to access these implementations.
+  get colorAttribute(): colorAttribute {
+    return require('../Libraries/Components/View/ReactNativeStyleAttributes')
+      .colorAttribute;
+  },
+  get insetsDiffer(): insetsDiffer {
+    return require('../Libraries/Utilities/differ/insetsDiffer').default;
+  },
+  get pointsDiffer(): pointsDiffer {
+    return require('../Libraries/Utilities/differ/pointsDiffer').default;
+  },
+  get processColorArray(): processColorArray {
+    return require('../Libraries/StyleSheet/processColorArray').default;
+  },
+  get Renderer(): Renderer {
+    return require('../Libraries/ReactNative/RendererProxy');
+  },
 };

packages/react-native/src/unstable-internals-do-not-use.js.flow

@@ -16,6 +16,8 @@
 
 export {default as AppContainer} from '../Libraries/ReactNative/AppContainer';
 export {default as AssetSourceResolver} from '../Libraries/Image/AssetSourceResolver';
+export {colorAttribute} from '../Libraries/Components/View/ReactNativeStyleAttributes';
+export {ConditionallyIgnoredEventHandlers} from '../Libraries/NativeComponent/ViewConfigIgnore';
 export {customDirectEventTypes} from '../Libraries/Renderer/shims/ReactNativeViewConfigRegistry';
 export {default as DevLoadingView} from '../Libraries/Utilities/DevLoadingView';
 export {default as getDevServer} from '../Libraries/Core/Devtools/getDevServer';
@@ -24,3 +26,7 @@ export {default as NativeExceptionsManager} from '../Libraries/Core/NativeExcept
 export {default as NativeRedBox} from '../Libraries/NativeModules/specs/NativeRedBox';
 export {default as NativeSourceCode} from '../Libraries/NativeModules/specs/NativeSourceCode';
 export {PressabilityDebugView} from '../Libraries/Pressability/PressabilityDebug';
+export {default as insetsDiffer} from '../Libraries/Utilities/differ/insetsDiffer';
+export {default as pointsDiffer} from '../Libraries/Utilities/differ/pointsDiffer';
+export {default as processColorArray} from '../Libraries/StyleSheet/processColorArray';
+export * as Renderer from '../Libraries/ReactNative/RendererProxy';