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fix: remove scoping for most :not selectors #14177

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merged 4 commits into from
Nov 6, 2024
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@dummdidumm dummdidumm commented Nov 6, 2024

fixes #14168

This mostly reverts the whole "selectors inside :not are scoped" logic. Scoping is done so that styles don't bleed. But within :not,everything is reversed, which means scoping the selectors now means they are more likely to bleed. That is the opposite of what we want to achieve, therefore we should just leave those selectors alone.

The exception are :not selectors with descendant selectors, as that means "look up the tree" and we need to scope all ancestor elements in that case.

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fixes #14168

This reverts the whole "selectors inside `:not` are scoped" logic. Scoping is done so that styles don't bleed. But within `:not`,everything is reversed, which means scoping the selectors now means they are more likely to bleed. That is the opposite of what we want to achieve, therefore we should just leave those selectors alone.

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… means "look up the tree" and we need to scope all ancestor elements in that case.
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github-actions bot commented Nov 6, 2024

Playground

pnpm add https://pkg.pr.new/svelte@14177

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🦋 Changeset detected

Latest commit: 65a4821

The changes in this PR will be included in the next version bump.

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@dummdidumm dummdidumm merged commit aa23415 into main Nov 6, 2024
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@dummdidumm dummdidumm deleted the revert-not-scoping branch November 6, 2024 12:49
@github-actions github-actions bot mentioned this pull request Nov 5, 2024
trueadm pushed a commit that referenced this pull request Nov 7, 2024

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fixes #14168

This reverts the whole "selectors inside `:not` are scoped" logic. Scoping is done so that styles don't bleed. But within `:not`,everything is reversed, which means scoping the selectors now means they are more likely to bleed. That is the opposite of what we want to achieve, therefore we should just leave those selectors alone.

The exception are `:not` selectors with descendant selectors, as that means "look up the tree" and we need to scope all ancestor elements in that case.
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:not() selector not working properly with pseudoclasses
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