Add stylelint CSS linting - #12934

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afercia wants to merge 40 commits into

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afercia:add-stylelint-linting

Commits on Aug 19, 2026

First pass at adding a stylelint script.
afercia
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c46a915
Remove custom rule from gutenberg.
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95515e9
Clean up stylelintignore.
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eaa9156
Clean up config.
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cc34331
Add Grunt task and clean up.
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c5d33d6
Remove stylelint-config-wordpress package.
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e1c0de1
Ignore admin color scheme auto generated files.
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ef5a54a
Ignore files copied to wp-includes js.
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61cf483
Remove Stylelint configuration from Twenty Twenty theme.
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0f96144
Remove Stylelint configuration from Twenty Twenty-One theme.
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64b23df
Remove comments.
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c28b5d4
Add lint:css:themes script for bundled themes.
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23583e0
Build theme files.
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9ed540c
Use the root stylelintrc for twentytwentyone.
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d81adc9
For twentytwentyone try adding a postcss script and run it twice.
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6ba5799
Start refining rules.
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68b5867
Add rules for empty lines before.
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f292b86
Solve the indentation and leading space issues avoiding to run postcss twice.
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4c9939b
Improve comment-empty-line-before.
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4e5a8c9
Improve comment.
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48cf539
Improve selector-list-comma-space-after.
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b7a8a3b
Refine empty libe before rule.
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02b9aae
Add selector-no-qualifying-type warning.
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6ea3ae2
Refine more rules.
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4078ee6
Improve order of rules related to indentation.
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9692183
Reduce max-empty-lines to 1.
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b006bc9
Disable comment-empty-line-before.
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ec5dd4a
Run stylelint directly so that it walks upwards until it finds the root config.
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59213be
Update test-and-zip-default-themes gh action.
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277b951
Add bacl @wordpress/scripts to twentytwentyone.
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ec34d46
Add stylelint-plugin-logical-css to twentytwentyone.
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91245ad
Update twentytwentyone styles.
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33b61a9
Pass the glob as a quoted pattern.
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210a6e5
Add optimizeLegibility to value-keyword-case exceptions.
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8cec485
Add @stylistic/selector-descendant-combinator-no-non-space true.
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5180b35
Adjust a few rules.
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44ed77d
Ignore dashicons font-family.
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47eb571
Apply a few minor JS coding standards to stylelintrc.js.
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18a4e5f
Try warnings threshold mechanism.
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bccb29a
Normalize the glob path for Windows on CI.
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151f05e