Support Readonly in react-native-codegen (#54925)

Summary:
Pull Request resolved: #54925

The lint is triggered in D89415612. Not sure what those file do but it seems a good fix

Changelog: [General][Added] Support parsing `Readonly` for the new Flow utility types

Reviewed By: SamChou19815

Differential Revision: D89418629

fbshipit-source-id: 34a2776711155dbd52046d55af18104e2eb32322

Author: marcoww6

packages/react-native-codegen/src/parsers/flow/components/componentsUtils.js

@@ -45,7 +45,10 @@ function getTypeAnnotationForArray<+T>(
     // Resolve the type alias if it's not defined inline
     const objectType = getValueFromTypes(extractedTypeAnnotation, types);
 
-    if (objectType.id.name === '$ReadOnly') {
+    if (
+      objectType.id.name === '$ReadOnly' ||
+      objectType.id.name === 'Readonly'
+    ) {
       return {
         type: 'ObjectTypeAnnotation',
         properties: flattenProperties(
@@ -247,7 +250,8 @@ function getTypeAnnotation<+T>(
 
   if (
     typeAnnotation.type === 'GenericTypeAnnotation' &&
-    parser.getTypeAnnotationName(typeAnnotation) === '$ReadOnly'
+    (parser.getTypeAnnotationName(typeAnnotation) === '$ReadOnly' ||
+      parser.getTypeAnnotationName(typeAnnotation) === 'Readonly')
   ) {
     return {
       type: 'ObjectTypeAnnotation',

packages/react-native-codegen/src/parsers/flow/components/events.js

@@ -62,6 +62,7 @@ function getPropertyType(
     case 'Float':
       return emitFloatProp(name, optional);
     case '$ReadOnly':
+    case 'Readonly':
       return getPropertyType(
         name,
         optional,
@@ -187,7 +188,7 @@ function findEventArgumentsAndType(
 ): EventArgumentReturnType {
   throwIfEventHasNoName(typeAnnotation, parser);
   const name = parser.getTypeAnnotationName(typeAnnotation);
-  if (name === '$ReadOnly') {
+  if (name === '$ReadOnly' || name === 'Readonly') {
     return {
       argumentProps: typeAnnotation.typeParameters.params[0].properties,
       paperTopLevelNameDeprecated: paperName,

packages/react-native-codegen/src/parsers/flow/modules/index.js

@@ -114,7 +114,8 @@ function translateTypeAnnotation(
             translateTypeAnnotation,
           );
         }
-        case '$ReadOnly': {
+        case '$ReadOnly':
+        case 'Readonly': {
           assertGenericTypeAnnotationHasExactlyOneTypeParameter(
             hasteModuleName,
             typeAnnotation,