feat(no-unnecessary-state-wrap): support string array in allowReassign, default to ['SvelteSet'], and improve messages

[baseballyama]

close: #1154
close: #1180

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[benmccann]

I think set = new SvelteSet([1, 2, 3]) should be allowed as it's cumbersome to write another way, but set = new SvelteSet() should not be because set.clear(); is easier to write

[baseballyama]

I think set = new SvelteSet([1, 2, 3]) should be allowed as it's cumbersome to write another way, but set = new SvelteSet() should not be because set.clear(); is easier to write

Since the rule would become more complex, would it be better to implement it as a separate rule, like prefer-svelteset-new?

[marekdedic]

Why should SvelteSet be allowed by default? I don't see why it's different from e.g. SvelteMap, am I missing something?

[benmccann]

Since the rule would become more complex, would it be better to implement it as a separate rule, like prefer-svelteset-new?

I think that would be fine. The name seems backwards to me though. Perhaps something like prefer-clear-over-reassignment. I also think you don't necessarily need svelteset in the name because it could apply to SvelteMap as well

Why should SvelteSet be allowed by default? I don't see why it's different from e.g. SvelteMap, am I missing something?

I agree. I think we ended up deciding all reassignments should be allowed by default though, so probably not an issue once that change is made. The prefer-clear-over-reassignment rule can handle the SvelteSet and SvelteMap cases