[Codegen]: Extract contents of the case 'NumberTypeAnnotation' into a single emitNumber function

[youedd]

Summary

Part of #34872

This PR:

• extracts the content of the case 'NumberTypeAnnotation' (Flow, TypeScript) into a single emitNumber function in the parsers-primitives.js file, and uses the new function in the parsers
• unit tests emitNumber function

Changelog

[Internal] [Changed] - Extract contents of the case 'NumberTypeAnnotation' into a single emitNumber function

Test Plan

yarn jest react-native-codegen

[analysis-bot]

Platform	Engine	Arch	Size (bytes)	Diff
android	hermes	arm64-v8a	7,747,611	+0
android	hermes	armeabi-v7a	7,149,395	+0
android	hermes	x86	8,058,588	+0
android	hermes	x86_64	8,029,524	+0
android	jsc	arm64-v8a	9,608,518	+0
android	jsc	armeabi-v7a	8,373,768	+0
android	jsc	x86	9,555,784	+0
android	jsc	x86_64	10,148,324	+0

Base commit: db8c11d
Branch: main

[analysis-bot]

Platform	Engine	Arch	Size (bytes)	Diff
ios	-	universal	n/a	--

Base commit: db8c11d
Branch: main

[rshest]

Great, thanks for this change!!! Would it be possible to rename parser-primitives-test.js into parsers-primitives-test.js, so that's it is consistent with the corresponding name of the file under test (parsers-primitives.js)? Thanks!

[facebook-github-bot]

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

[facebook-github-bot]

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

[react-native-bot]

This pull request was successfully merged by @youedd in 54fc62c.

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