CSS transformation: Fix mangled selectors by switching to a different postcss plugin for prefixing#63972
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talldan wants to merge 12 commits into
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CSS transformation: Fix mangled selectors by switching to a different postcss plugin for prefixing#63972talldan wants to merge 12 commits into
talldan wants to merge 12 commits into
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talldan
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Size Change: -943 B (-0.05%) Total Size: 1.76 MB
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talldan
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Jul 26, 2024
talldan
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Here's a diff of the transformed css (comparing trunk and this PR): DiffStyles A 381c381
< .editor-styles-wrapper .has-body-font-family {
---
> .has-.editor-styles-wrapper-font-family {Styles B 25c25
< .editor-styles-wrapper .has-global-padding :where(:not(.alignfull.is-layout-flow) > .has-global-padding:not(.wp-block-block, .editor-styles-wrapper .alignfull)) {
---
> .editor-styles-wrapper .has-global-padding :where(:not(.alignfull.is-layout-flow) > .has-global-padding:not(.wp-block-block, .alignfull)) {
30c30
< .editor-styles-wrapper .has-global-padding :where(:not(.alignfull.is-layout-flow) > .has-global-padding:not(.wp-block-block, .editor-styles-wrapper .alignfull))>.alignfull {
---
> .editor-styles-wrapper .has-global-padding :where(:not(.alignfull.is-layout-flow) > .has-global-padding:not(.wp-block-block, .alignfull))>.alignfull {
68c68
< .editor-styles-wrapper .is-layout-flow> :first-child {
---
> .editor-styles-wrapper :where(.is-layout-flow > :first-child) {
72c72
< .editor-styles-wrapper .is-layout-flow> :last-child {
---
> .editor-styles-wrapper :where(.is-layout-flow > :last-child) {
76c76
< .editor-styles-wrapper .is-layout-flow>* {
---
> .editor-styles-wrapper :where(.is-layout-flow > *) {
81c81
< .editor-styles-wrapper .is-layout-constrained> :first-child {
---
> .editor-styles-wrapper :where(.is-layout-constrained > :first-child) {
85c85
< .editor-styles-wrapper .is-layout-constrained> :last-child {
---
> .editor-styles-wrapper :where(.is-layout-constrained > :last-child) {
89c89
< .editor-styles-wrapper .is-layout-constrained>* {
---
> .editor-styles-wrapper :where(.is-layout-constrained > *) {
94c94
< .editor-styles-wrapper .is-layout-flex {
---
> .editor-styles-wrapper :where(.is-layout-flex) {
98c98
< .editor-styles-wrapper .is-layout-grid {
---
> .editor-styles-wrapper :where(.is-layout-grid) {
155c155
< .editor-styles-wrapper .is-layout-flex> :is(*, .editor-styles-wrapper div) {
---
> .editor-styles-wrapper .is-layout-flex> :is(*, div) {
163c163
< .editor-styles-wrapper .is-layout-grid> :is(*, .editor-styles-wrapper div) {
---
> .editor-styles-wrapper .is-layout-grid> :is(*, div) {
227c227
< .editor-styles-wrapper :where(.wp-element-button, .editor-styles-wrapper .wp-block-button__link) {
---
> .editor-styles-wrapper :where(.wp-element-button, .wp-block-button__link) {
245c245
< .editor-styles-wrapper :where(.wp-element-button:hover, .editor-styles-wrapper .wp-block-button__link:hover) {
---
> .editor-styles-wrapper :where(.wp-element-button:hover, .wp-block-button__link:hover) {
251c251
< .editor-styles-wrapper :where(.wp-element-button:focus, .editor-styles-wrapper .wp-block-button__link:focus) {
---
> .editor-styles-wrapper :where(.wp-element-button:focus, .wp-block-button__link:focus) {
259c259
< .editor-styles-wrapper :where(.wp-element-button:active, .editor-styles-wrapper .wp-block-button__link:active) {
---
> .editor-styles-wrapper :where(.wp-element-button:active, .wp-block-button__link:active) {
264c264
< .editor-styles-wrapper :where(.wp-element-caption, .editor-styles-wrapper .wp-block-audio figcaption, .editor-styles-wrapper .wp-block-embed figcaption, .editor-styles-wrapper .wp-block-gallery figcaption, .editor-styles-wrapper .wp-block-image figcaption, .editor-styles-wrapper .wp-block-table figcaption, .editor-styles-wrapper .wp-block-video figcaption) {
---
> .editor-styles-wrapper :where(.wp-element-caption, .wp-block-audio figcaption, .wp-block-embed figcaption, .wp-block-gallery figcaption, .wp-block-image figcaption, .wp-block-table figcaption, .wp-block-video figcaption) {
292c292
< .editor-styles-wrapper .wp-block-buttons-is-layout-flow> :first-child {
---
> .editor-styles-wrapper :where(.wp-block-buttons-is-layout-flow > :first-child) {
296c296
< .editor-styles-wrapper .wp-block-buttons-is-layout-flow> :last-child {
---
> .editor-styles-wrapper :where(.wp-block-buttons-is-layout-flow > :last-child) {
300c300
< .editor-styles-wrapper .wp-block-buttons-is-layout-flow>* {
---
> .editor-styles-wrapper :where(.wp-block-buttons-is-layout-flow > *) {
305c305
< .editor-styles-wrapper .wp-block-buttons-is-layout-constrained> :first-child {
---
> .editor-styles-wrapper :where(.wp-block-buttons-is-layout-constrained > :first-child) {
309c309
< .editor-styles-wrapper .wp-block-buttons-is-layout-constrained> :last-child {
---
> .editor-styles-wrapper :where(.wp-block-buttons-is-layout-constrained > :last-child) {
313c313
< .editor-styles-wrapper .wp-block-buttons-is-layout-constrained>* {
---
> .editor-styles-wrapper :where(.wp-block-buttons-is-layout-constrained > *) {
318c318
< .editor-styles-wrapper .wp-block-buttons-is-layout-flex {
---
> .editor-styles-wrapper :where(.wp-block-buttons-is-layout-flex) {
322c322
< .editor-styles-wrapper .wp-block-buttons-is-layout-grid {
---
> .editor-styles-wrapper :where(.wp-block-buttons-is-layout-grid) {
326c326
< .editor-styles-wrapper :where(.wp-block-calendar table, .editor-styles-wrapper .wp-block-calendar th) {
---
> .editor-styles-wrapper :where(.wp-block-calendar table, .wp-block-calendar th) {
436c436
< .editor-styles-wrapper :where(.wp-block-post-comments-form textarea, .editor-styles-wrapper .wp-block-post-comments-form input) {
---
> .editor-styles-wrapper :where(.wp-block-post-comments-form textarea, .wp-block-post-comments-form input) {
522c522
< .editor-styles-wrapper :where(.wp-block-post-featured-image img, .editor-styles-wrapper .wp-block-post-featured-image .block-editor-media-placeholder, .editor-styles-wrapper .wp-block-post-featured-image .wp-block-post-featured-image__overlay) {
---
> .editor-styles-wrapper :where(.wp-block-post-featured-image img, .wp-block-post-featured-image .block-editor-media-placeholder, .wp-block-post-featured-image .wp-block-post-featured-image__overlay) {
586c586
< .editor-styles-wrapper :where(.wp-block-quote.has-text-align-right.is-style-plain, .editor-styles-wrapper .rtl .is-style-plain.wp-block-quote:not(.has-text-align-center):not(.has-text-align-left)) {
---
> .editor-styles-wrapper :where(.wp-block-quote.has-text-align-right.is-style-plain, .rtl .is-style-plain.wp-block-quote:not(.has-text-align-center):not(.has-text-align-left)) {
592c592
< .editor-styles-wrapper :where(.wp-block-quote.has-text-align-left.is-style-plain, .editor-styles-wrapper:not(.rtl) .is-style-plain.wp-block-quote:not(.has-text-align-center):not(.has-text-align-right)) {
---
> :root :where(.wp-block-quote.has-text-align-left.is-style-plain, .editor-styles-wrapper:not(.rtl) .is-style-plain.wp-block-quote:not(.has-text-align-center):not(.has-text-align-right)) {
604c604
< .editor-styles-wrapper :where(.wp-block-search .wp-block-search__label, .editor-styles-wrapper .wp-block-search .wp-block-search__input, .editor-styles-wrapper .wp-block-search .wp-block-search__button) {
---
> .editor-styles-wrapper :where(.wp-block-search .wp-block-search__label, .wp-block-search .wp-block-search__input, .wp-block-search .wp-block-search__button) {
614c614
< .editor-styles-wrapper :where(.wp-block-search .wp-element-button, .editor-styles-wrapper .wp-block-search .wp-block-button__link) {
---
> .editor-styles-wrapper :where(.wp-block-search .wp-element-button, .wp-block-search .wp-block-button__link) {There's a pretty obvious issue in the first diff where the replacement of 381c381
< .editor-styles-wrapper .has-body-font-family {
---
> .has-.editor-styles-wrapper-font-family {This also doesn't look right: 592c592
< .editor-styles-wrapper :where(.wp-block-quote.has-text-align-left.is-style-plain, .editor-styles-wrapper:not(.rtl) .is-style-plain.wp-block-quote:not(.has-text-align-center):not(.has-text-align-right)) {
---
> :root :where(.wp-block-quote.has-text-align-left.is-style-plain, .editor-styles-wrapper:not(.rtl) .is-style-plain.wp-block-quote:not(.has-text-align-center):not(.has-text-align-right)) { |
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Flaky tests detected in 3ce3370. 🔍 Workflow run URL: https://github.com/WordPress/gutenberg/actions/runs/10142596352
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:where styles
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Jul 31, 2024
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| expect( output ).toMatchSnapshot(); | ||
| expect( output ).toEqual( [ input ] ); |
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Snapshot was unnecessary (and I think is also not needed for quite a lot of these tests), this just needs to test that the output is the same as the input.
This was referenced Aug 1, 2024
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Closing in favour of #64458 |
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Fixes #63829
What?
Tries switching from
postcss-prefixwraptopostcss-prefix-selectorfor transforming stylesWhy?
postcss-prefixwrapis currently mangling compound:whereselectors - Non-iframed Editor: Compound selectors within :where are not prefixed correctlyI've reported it upstream in dbtedman/postcss-prefixwrap#515 and can try making a PR on the repo if one hasn't by the time I get to it.
The issue still needs to be fixed in Gutenberg and core, so this PR should do that.
How?
Switches from postcss-prefixwrap to postcss-prefix-selector. Why does this make a difference?
I had a look at the codebases for the two.
postcss-prefixwrapseems to take the whole selector string, and then call the stringsplit( ',' )method to handle compound selectors:https://github.com/dbtedman/postcss-prefixwrap/blob/c2636cdaa8381741df1b2b553d15a82d1e674802/src/internal/domain/CSSRuleWrapper.ts#L20-L46
This results in the selector being split incorrectly and prefixing within a
whereselector.postcss-prefix-selectoron the other hand seems to use theselectorsproperty provided by the AST which I'd expect to be a lot more advanced in how it splits a selector (it should align pretty closely with the CSS spec):https://github.com/RadValentin/postcss-prefix-selector/blob/86cb9b9dd50caef6e075ac88f9d716975c68a597/index.js#L38
There are a couple of features not offered by the new dependency:
It does have a
transformcallback that I've used to implement these features so that there's parity withtrunk.Testing Instructions
.editor-styles-wrapper :where(.wp-element-button, .editor-styles-wrapper .wp-block-button__link).editor-styles-wrapperwithin thatScreenshots or screencast