style: Automated formatting and linting [PR #4 - Linting and Formatting]

[tibuurcio]

Summary

• This PR builds upon the works on feat: Run prettier and ESLint for staged files on pre-commit hook [PR #1 - Linting and Formatting] #62, style: Initial formatting with Prettier [PR #2 - Linting and Formatting] #63 and style: Initial linting with ESLint [PR #3 - Linting and Formatting] #64 but merges everything into a single PR for us to start our final review. The idea is have a basis of formatting and linting for us to start working from in the Aquarium.

Testing Plan

• Was this tested locally? If not, explain why.

Reference Issue (For mParticle employees only. Ignore if you are an outside contributor)

• Closes https://go.mparticle.com/work/UNI-91
• Closes https://go.mparticle.com/work/UNI-92

[jared-dickman]

On <></> usage

This will probably be my most controversial one 😅
...

i switched from preferring () to <></> for a couple small reasons.

the fragment is actually real jsx syntax, and you can add some special attributes to it, like a key, which can be useful instead of needing a "full div".

also there are cases where you want to add a sibling element next to the component. the fragment allows this but the parens dont, because react elements can only support a single root node [which can be a fragment]

to the point of it not being valid js syntax, i dont buy that one yet. for comparison, we dont do this

function  addOne(n: number): number {
  return (
    n + 1
  )
}

so why should we in jsx files??

i guess if prettier really really really thinks () are better than <></>, fine. we can try it.
in which case i would want to remove all the current fragments...

[jared-dickman]

this looks gtg once the conflicts are resolved

[tibuurcio]

this looks gtg once the conflicts are resolved

I will wait on #68 in order to fix everything just cause there should be some changes there as well

[github-actions]

🎉 This PR is included in version 1.6.0 🎉

The release is available on:

• npm package (@next dist-tag)
• GitHub release

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