explicit-length-check: Support Vue SFC files

[fisker]

Can we accept this?

[sindresorhus]

Sure! 👍

[fisker]

Do you think we should make all rule work for Vue SFC? We can add one line here.

[fisker]

Let's start with some other rules first, I'll send more PRs

[sindresorhus]

Do you think we should make all rule work for Vue SFC?

I don't mind. Vue is quite popular, so it's gonna help a lot of people.

[fisker]

I'm worried about auto-fix for some rule, for example prefer-string-replace-all, we'll fix <div v-if='foo.replace(/a/g, "")' to <div v-if='foo.replaceAll('a', "")', but we can't use single quote for the fix, it's in single quoted attribute, so let's start with some safe rules first.