fix: delete ReactNativePropRegistry

Copied from: react/react-native@a8e3c7f

Author: aleclarson

Libraries/Renderer/shims/ReactNativePropRegistry.js

@@ -12,7 +12,6 @@
 'use strict';
 
 const PixelRatio = require('PixelRatio');
-const ReactNativePropRegistry = require('ReactNativePropRegistry');
 const ReactNativeStyleAttributes = require('ReactNativeStyleAttributes');
 const StyleSheetValidation = require('StyleSheetValidation');
 
@@ -37,15 +36,16 @@ if (hairlineWidth === 0) {
   hairlineWidth = 1 / PixelRatio.get();
 }
 
-const absoluteFillObject = {
+const absoluteFill = {
   position: ('absolute': 'absolute'),
   left: 0,
   right: 0,
   top: 0,
   bottom: 0,
 };
-const absoluteFill: typeof absoluteFillObject =
-  ReactNativePropRegistry.register(absoluteFillObject); // This also freezes it
+if (__DEV__) {
+  Object.freeze(absoluteFill);
+}
 
 /**
  * A StyleSheet is an abstraction similar to CSS StyleSheets
@@ -132,7 +132,7 @@ module.exports = {
    *     },
    *   });
    */
-  absoluteFillObject,
+  absoluteFillObject: absoluteFill,
 
   /**
    * Combines two styles such that `style2` will override any styles in `style1`.
@@ -221,11 +221,12 @@ module.exports = {
    * Creates a StyleSheet style reference from the given object.
    */
   create<S: Styles>(obj: S): StyleSheet<S> {
-    const result = {};
-    for (const key in obj) {
-      StyleSheetValidation.validateStyle(key, obj);
-      result[key] = obj[key] && ReactNativePropRegistry.register(obj[key]);
+    if (__DEV__) {
+      for (const key in obj) {
+        StyleSheetValidation.validateStyle(key, obj);
+        Object.freeze(obj[key]);
+      }
     }
-    return result;
+    return obj;
   },
 };

Libraries/StyleSheet/StyleSheet.js

@@ -11,32 +11,15 @@
  */
 'use strict';
 
-var invariant = require('fbjs/lib/invariant');
-var ReactNativePropRegistry;
-
 import type { StyleObj } from 'StyleSheetTypes';
 
-function getStyle(style) {
-  if (ReactNativePropRegistry === undefined) {
-    ReactNativePropRegistry = require('ReactNativePropRegistry');
-  }
-  if (typeof style === 'number') {
-    return ReactNativePropRegistry.getByID(style);
-  }
-  return style;
-}
-
 function flattenStyle(style: ?StyleObj): ?Object {
-  if (!style) {
+  if (style === null || typeof style !== 'object') {
     return undefined;
   }
-  invariant(style !== true, 'style may be false but not true');
 
   if (!Array.isArray(style)) {
-    /* $FlowFixMe(>=0.63.0 site=react_native_fb) This comment suppresses an
-     * error found when Flow v0.63 was deployed. To see the error delete this
-     * comment and run Flow. */
-    return getStyle(style);
+    return style;
   }
 
   var result = {};

Libraries/StyleSheet/flattenStyle.js

@@ -318,11 +318,7 @@ Object.keys(mockNativeModules).forEach(module => {
 });
 
 jest
-  .doMock('NativeModules', () => mockNativeModules)
-  .doMock('ReactNativePropRegistry', () => ({
-    register: id => id,
-    getByID: () => mockEmptyObject,
-  }));
+  .doMock('NativeModules', () => mockNativeModules);
 
 jest.doMock('requireNativeComponent', () => {
   const React = require('react');