refactor(codegen): add undefinedLiteralTypeAnnotation prop in parsers (#37450)

Summary:
part of codegen issue #34872

> Add an undefinedLiteralTypeAnnotation: string property into the Parser object and implement it in the FlowParser (returning VoidLiteralTypeAnnotation) and in the TypeScriptPArser(returning TSUndefinedKeyword). Replace them in and [parsers/typescript/components/events.js](https://github.com/facebook/react-native/blob/e133100721939108b0f28dfa9f60ac627c804018/packages/react-native-codegen/src/parsers/typescript/components/events.js#L158).

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[Internal][Added]: Add undefinedLiteralTypeAnnotation property in parsers

Pull Request resolved: #37450

Test Plan: yarn test

Reviewed By: dmytrorykun

Differential Revision: D45904567

Pulled By: cipolleschi

fbshipit-source-id: edd26198e4c8b191a473d5b0ff96a6dc1fec8576

Author: Shubham-TJ

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

@@ -73,6 +73,7 @@ class FlowParser implements Parser {
   enumDeclaration: string = 'EnumDeclaration';
   interfaceDeclaration: string = 'InterfaceDeclaration';
   nullLiteralTypeAnnotation: string = 'NullLiteralTypeAnnotation';
+  undefinedLiteralTypeAnnotation: string = 'VoidLiteralTypeAnnotation';
 
   isProperty(property: $FlowFixMe): boolean {
     return property.type === 'ObjectTypeProperty';

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

@@ -105,6 +105,11 @@ export interface Parser {
    */
   nullLiteralTypeAnnotation: string;
 
+  /**
+   * UndefinedLiteralTypeAnnotation property of the Parser
+   */
+  undefinedLiteralTypeAnnotation: string;
+
   /**
    * Given a declaration, it returns true if it is a property
    */

packages/react-native-codegen/src/parsers/parserMock.js

@@ -73,8 +73,8 @@ export class MockedParser implements Parser {
   typeAlias: string = 'TypeAlias';
   enumDeclaration: string = 'EnumDeclaration';
   interfaceDeclaration: string = 'InterfaceDeclaration';
-
   nullLiteralTypeAnnotation: string = 'NullLiteralTypeAnnotation';
+  undefinedLiteralTypeAnnotation: string = 'VoidLiteralTypeAnnotation';
 
   isProperty(property: $FlowFixMe): boolean {
     return property.type === 'ObjectTypeProperty';

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

@@ -239,7 +239,7 @@ function findEventArgumentsAndType(
 
     switch (typeAnnotation.typeParameters.params[0].type) {
       case parser.nullLiteralTypeAnnotation:
-      case 'TSUndefinedKeyword':
+      case parser.undefinedLiteralTypeAnnotation:
         return {
           argumentProps: [],
           bubblingType: eventType,

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

@@ -70,8 +70,8 @@ class TypeScriptParser implements Parser {
   typeAlias: string = 'TSTypeAliasDeclaration';
   enumDeclaration: string = 'TSEnumDeclaration';
   interfaceDeclaration: string = 'TSInterfaceDeclaration';
-
   nullLiteralTypeAnnotation: string = 'TSNullKeyword';
+  undefinedLiteralTypeAnnotation: string = 'TSUndefinedKeyword';
 
   isProperty(property: $FlowFixMe): boolean {
     return property.type === 'TSPropertySignature';