chore: Add ESLint Plugins

[nschonni]

Preview Tests

Causes a big diff now, but has the same setup as aria-practices, so should make the syncing in #339 easier

[nschonni]

@howard-e before I try and rebase this one, is this something you folks are already working on?

[howard-e]

@howard-e before I try and rebase this one, is this something you folks are already working on?

You can go ahead @nschonni!

[nschonni]

The original commit was mostly done by another PR, but adding the node plugin started to lint the MJS files, that I guess were skipped right now

[netlify]

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[howard-e]

Not sure why that's failing for you @nschonni. Taking a look.

[howard-e]

Ahh, seems some code updates are missing.

[nschonni]

Trying another rebase/bump

[nschonni]

Interesting, got an error when setting the compat to >=12 The 'fs.rmSync' is not supported until Node.js 14.14.0. The configured version range is '>=12' in create-example-tests.js

[howard-e]

Interesting, got an error when setting the compat to >=12 The 'fs.rmSync' is not supported until Node.js 14.14.0. The configured version range is '>=12' in create-example-tests.js

Good catch. Since this project already makes use of rimraf, that line could be safely replaced with rimraf.sync(path.join(sourceFolder, file));