fix: <Repeat> reactivity

[atk]

fixes #785

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Latest commit: 7fbc758

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@solid-primitives/range	Patch

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[thetarnav]

can i has test case? :)

[webstrand]

You'll also need to clone the array here:

solid-primitives/packages/range/src/repeat.ts

Line 50 in 7fbc758

return items;

currently it reuses the array when growing, but slices it when shrinking.

I hadn't realized anyone else was working on a fix for this, I did not mean to duplicate work.

[atk]

I just tested it - this approach does not work, since we return the initial instance and overwriting it internally will not change the external reference. This needs more thought.