Flow Parser Changes (facebook#54597)

Summary:

Flow Parser changes to accomodate the new emitUnion

Changelog: [Internal]

Differential Revision: D87412532

Author: arushikesarwani94

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

@@ -115,7 +115,7 @@ function extractArrayElementType(
       };
     case 'UnionTypeAnnotation':
       return {
-        type: 'StringLiteralUnionTypeAnnotation',
+        type: 'UnionTypeAnnotation',
         types: typeAnnotation.types.map(option => ({
           type: 'StringLiteralTypeAnnotation',
           value: parser.getLiteralValue(option),

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

@@ -244,7 +244,18 @@ function translateTypeAnnotation(
       );
     }
     case 'UnionTypeAnnotation': {
-      return emitUnion(nullable, hasteModuleName, typeAnnotation, parser);
+      return emitUnion(
+        nullable,
+        hasteModuleName,
+        typeAnnotation,
+        types,
+        aliasMap,
+        enumMap,
+        tryParse,
+        cxxOnly,
+        translateTypeAnnotation,
+        parser,
+      );
     }
     case 'NumberLiteralTypeAnnotation': {
       return emitNumberLiteral(nullable, typeAnnotation.value);

packages/react-native-codegen/src/parsers/flow/parser.js

@@ -18,10 +18,10 @@ import type {
   NativeModuleEnumMember,
   NativeModuleEnumMemberType,
   NativeModuleParamTypeAnnotation,
+  NativeModuleUnionTypeAnnotationMemberType,
   Nullable,
   PropTypeAnnotation,
   SchemaType,
-  UnionTypeAnnotationMemberType,
 } from '../../CodegenSchema';
 import type {ParserType} from '../errors';
 import type {
@@ -111,7 +111,7 @@ class FlowParser implements Parser {
 
   remapUnionTypeAnnotationMemberNames(
     membersTypes: $FlowFixMe[],
-  ): UnionTypeAnnotationMemberType[] {
+  ): NativeModuleUnionTypeAnnotationMemberType[] {
     const remapLiteral = (item: $FlowFixMe) => {
       return item.type
         .replace('NumberLiteralTypeAnnotation', 'NumberTypeAnnotation')
@@ -121,12 +121,6 @@ class FlowParser implements Parser {
     return [...new Set(membersTypes.map(remapLiteral))];
   }
 
-  getStringLiteralUnionTypeAnnotationStringLiterals(
-    membersTypes: $FlowFixMe[],
-  ): string[] {
-    return membersTypes.map((item: $FlowFixMe) => item.value);
-  }
-
   parseFile(filename: string): SchemaType {
     const contents = fs.readFileSync(filename, 'utf8');