Codegen 123: add parser-primitive function for emitBoolProp

[frankcalise]

Summary:

Part of #34872, Improving Codegen

Reduces code duplication by creating a helper function emitBoolProp(name: string, optional: boolean) in parser-primitives.js. Refactors the code from Flow and TypeScript to utilize the new function.

Changelog:

Test Plan:

Run yarn jest react-native-codegen

[Pranav-yadav]

Hi @frankcalise, 👋

Congratulations 🎉 on your "First Pull Request" to React Native! 🥳

Thank you, 🙏 for taking the time to contribute to this project and share your ideas.

Someone from the team will review your PR and get back to you as soon as possible with feedback if any. 😊 Post review, and if all tests are passing, your PR will be imported to internal FB phabricator and should be merged if it also passes all internal tests. 🥳

P.S.: In the meantime, you should go through below checklist: ^{(click to expand)}

1. Make sure you have signed the CLA 📃🙂,
2. There are no typos 😄,
3. All tests 🧪 are passing. i.e. The CI checks should be green 🟢, and
4. You have added necessary tests for your code, if it's a refactor or a new functionality. 🧪

---

Contributing Guidelines | React Native Website | Framework discussions, proposals and RFCs

[analysis-bot]

Platform	Engine	Arch	Size (bytes)	Diff
android	hermes	arm64-v8a	8,732,657	-329
android	hermes	armeabi-v7a	8,043,843	-326
android	hermes	x86	9,222,768	-316
android	hermes	x86_64	9,074,743	-318
android	jsc	arm64-v8a	9,297,416	-467
android	jsc	armeabi-v7a	8,486,153	-484
android	jsc	x86	9,358,582	-474
android	jsc	x86_64	9,614,669	-481

Base commit: f8a1f62
Branch: main

[frankcalise]

@Pranav-yadav this officially got assigned by @cipolleschi. Apologies for the pre-emptive PR, will wait for proper assignment next time

[cipolleschi]

Wonderful to see your first contribution @frankcalise! Great job here!

[facebook-github-bot]

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

[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 66f4a91.