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Fix selector-max-specificity end positions #7685

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romainmenke
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Which issue, if any, is this issue related to?

See : #6234

Is there anything in the PR that needs further explanation?

No, it's self-explanatory.

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changeset-bot bot commented May 10, 2024

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Latest commit: 56269fe

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@romainmenke romainmenke marked this pull request as ready for review May 10, 2024 14:47
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I will take a look at the coverage issue shortly.

@@ -65,6 +65,9 @@ testRule({
{
code: ':nth-child(2n + 1) {}',
},
{
code: '[value] {}',
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@Mouvedia Mouvedia May 10, 2024

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nit
non-blocking

It's kind of contradictory.
i.e. that's the attribute name not its value

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@ybiquitous ybiquitous left a comment

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Thanks, LGTM 👍🏼

@romainmenke romainmenke merged commit 91fc2ad into main May 11, 2024
16 of 17 checks passed
@romainmenke romainmenke deleted the fix-selector-max-specificity--adventurous-pelican-112c3c6d1a branch May 11, 2024 12:33
// Check if the selector specificity exceeds the allowed maximum
if (compare(maxChildSpecificity(selectorTree), maxSpecificity) > 0) {
if (compare(nodeSpecificity(resolvedSelector), maxSpecificity) > 0) {
const index = selector.first?.sourceIndex ?? 0;
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[note] The coverage diff is caused by this line, but I think it's ignorable.

If improving the coverage, we might change it like this, but I'm unsure it's really safe...

Suggested change
const index = selector.first?.sourceIndex ?? 0;
const index = selector.first.sourceIndex;

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Yeah, I think it is safe in practice, but I'd rather keep it anyway.

If the AST is mutated without setting sourceIndex or if something clears out a selector it would throw errors.

But maybe we can add a helper so that we can document this better?

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I am fine with keeping it as-is, and I agree with adding a helper. 👍🏼

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I should actually fix this one : postcss/postcss-selector-parser#287

Then we change const index = selector.first?.sourceIndex ?? 0 to const index = selector.sourceIndex

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nice👍

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3 participants