RFC: Add eslint-plugin-compat

[amilajack]

This eslint plugin lints against APIs that are only supported by target browsers 🎉 Would a PR for adding this plugin be welcome?

Here's a demo of it in action

[jfmengels]

Absolutely :)

[ntwb]

As an aside, from a quick peek, @amilajack have you thought about using browserlist?

https://github.com/ai/browserslist

[amilajack]

@ntwb What does browserlist do?

[ntwb]

@amilajack It also uses the caniuse database, though you can have much more detailed queries of what browsers to test against, check the examples at https://github.com/ai/browserslist#queries

[amilajack]

@ntwb I see. So are you suggesting that eslint-plugin-compat use browserslist to query caniuse? eslint-plugin-compat is aimed at linting the cross-browser compatibility of apis being used. browserslist 'Shares browsers list between different front-end tools'. Two very different things