[Codegen 110] Add a nullLiteralTypeAnnotation: string property into the Parser object

[kyawthura-gg]

Summary:

Part of #34872

[Codegen 110] Add a nullLiteralTypeAnnotation: string property into the Parser object and implement it in the FlowParser (returning
NullLiteralTypeAnnotation) and in the TypeScriptParser(returning TSNullKeyword). Replace them in the parsers/flow/components/events.js and parsers/typescript/components/events.js.

Changelog:

[Internal][Added]: Add nullLiteralTypeAnnotation property in Parser object

Test Plan:

yarn test react-native-codegen

[cipolleschi]

Thanks for taking care of this!

[facebook-github-bot]

@cipolleschi has imported this pull request. If you are a Meta employee, you can view this diff on Phabricator.

[analysis-bot]

Platform	Engine	Arch	Size (bytes)	Diff
android	hermes	arm64-v8a	8,732,593	+0
android	hermes	armeabi-v7a	8,043,923	-2
android	hermes	x86	9,221,938	-2
android	hermes	x86_64	9,074,913	+1
android	jsc	arm64-v8a	9,297,787	+1
android	jsc	armeabi-v7a	8,486,552	+0
android	jsc	x86	9,358,530	-2
android	jsc	x86_64	9,615,112	-1

Base commit: d8ced6f
Branch: main

[cipolleschi]

/rebase

[facebook-github-bot]

@cipolleschi has imported this pull request. If you are a Meta employee, you can view this diff on Phabricator.

[facebook-github-bot]

@cipolleschi merged this pull request in b5c01ee.