[dependabot]

Bumps stylelint from 17.16.0 to 18.0.0.

Release notes

Sourced from stylelint's releases.

18.0.0

It contains 13 breaking changes, which we've detailed in the migrating to 18.0.0 guide. It also adds 4 new rules and fixes 16 bugs.

• Removed: support for end-of-life and older versions of Node.js (#9486) (@​jeddy3).
• Removed: support for CommonJS-style filename-less and extension-less locator paths (#9545) (@​jeddy3).
• Removed: resolution of packages from the global node_modules directory (#9534) (@​jeddy3).
• Removed: context.fix property (#9505) (@​jeddy3).
• Removed: declaration-block-single-line-max-declarations rule (#9565) (@​jeddy3).
• Removed: *syntax options from declaration-property-value-no-unknown (#9487) (@​jeddy3).
• Removed: ignoreSelectors option from selector-max-specificity (#9579) (@​jeddy3).
• Changed: TypeScript config files to be loaded by Node.js's built-in type stripping (#9489) (@​jeddy3).
• Changed: the CLI to parse arguments with node:util.parseArgs (#9508) (@​jeddy3).
• Changed: globbyOptions to support only a subset of options (#9500) (@​jeddy3).
• Changed: function-no-unknown to use the CSSTree Syntax Reference for known functions and to ignore vendor-prefixed functions (#9574) (@​jeddy3).
• Changed: color detection to use new color option with node:util.styleText (#9529) (@​jeddy3).
• Changed: hyperlink detection (#9536) (@​jeddy3).
• Added: at-charset-rule-no-invalid rule (#9509) (@​firefoxic).
• Added: declaration-property-custom-property-allowed-list rule (#9542) (@​jeddy3).
• Added: value-no-invalid rule (#9507) (@​jeddy3).
• Added: value-type-custom-property-required-list experimental rule (#9572) (@​jeddy3).
• Added: stable support for processors configuration property (#9543) (@​jeddy3).
• Added: stable support for referenceFiles configuration property (#9598) (@​jeddy3).
• Added: result.stylelint.postcss property for plugins (#9594) (@​jeddy3).
• Added: stylelint.version property (#9595) (@​ybiquitous).
• Added: languageOptions.syntax support to function-no-unknown (#9574) (@​jeddy3).
• Fixed: referenceFiles performance (#9573) (@​jeddy3).
• Fixed: import and cache performance by replacing file-entry-cache (#9593) (@​jeddy3).
• Fixed: import performance by lazily loading css-tree (#9580) (@​jeddy3).
• Fixed: exit code when all errors in a file are suppressed and other problems are reported (#9528) (@​schreibse).
• Fixed: --fix for files where the only change is the removal of a byte order mark (#9512) (@​firefoxic).
• Fixed: Config['extends'] type for configuration objects (#9526) (@​firefoxic).
• Fixed: at-rule-descriptor-value-no-unknown false negatives for var() (#9614) (@​jeddy3).
• Fixed: custom-property-{pattern,no-missing-var-function} and *-no-unknown false positives and negatives for @property with a list of names (#9571) (@​jeddy3).
• Fixed: custom-property-no-missing-var-function false negatives for custom properties defined in referenceFiles (#9570) (@​jeddy3).
• Fixed: custom-property-no-missing-var-function false positives for recently introduced properties (#9567) (@​jeddy3).
• Fixed: declaration-block-no-redundant-longhand-properties and declaration-block-no-shorthand-property-overrides false negatives for contain-intrinsic-size (#9550) (@​firefoxic).
• Fixed: declaration-block-no-shorthand-property-overrides false negatives for flow-relative properties overridden by physical shorthands (#9549) (@​firefoxic).
• Fixed: declaration-property-value-no-unknown false negatives for values containing known custom properties (#9537) (@​jeddy3).
• Fixed: declaration-property-value-no-unknown false negatives for values containing registered custom properties (#9566) (@​jeddy3).
• Fixed: declaration-property-value-no-unknown false positives and negatives for files included in a referenceFiles bundle (#9358) (@​romainmenke).
• Fixed: property-layout-mappings false negatives for physical shorthand properties (#9615) (@​jeddy3).

18.0.0-next.0

This is a prerelease of our next major. Migration guide.

• Removed: support for end-of-life and older versions of Node.js (#9486) (@​jeddy3).
• Removed: support for CommonJS-style filename-less and extension-less locator paths (#9545) (@​jeddy3).
• Removed: resolution of packages from the global node_modules directory (#9534) (@​jeddy3).
• Removed: declaration-block-single-line-max-declarations rule (#9565) (@​jeddy3).
• Removed: context.fix property (#9505) (@​jeddy3).

... (truncated)

Changelog

Sourced from stylelint's changelog.

18.0.0 - 2026-11-03

It contains 13 breaking changes, which we've detailed in the migrating to 18.0.0 guide. It also adds 4 new rules and fixes 16 bugs.

• Removed: support for end-of-life and older versions of Node.js (#9486) (@​jeddy3).
• Removed: support for CommonJS-style filename-less and extension-less locator paths (#9545) (@​jeddy3).
• Removed: resolution of packages from the global node_modules directory (#9534) (@​jeddy3).
• Removed: context.fix property (#9505) (@​jeddy3).
• Removed: declaration-block-single-line-max-declarations rule (#9565) (@​jeddy3).
• Removed: *syntax options from declaration-property-value-no-unknown (#9487) (@​jeddy3).
• Removed: ignoreSelectors option from selector-max-specificity (#9579) (@​jeddy3).
• Changed: TypeScript config files to be loaded by Node.js's built-in type stripping (#9489) (@​jeddy3).
• Changed: the CLI to parse arguments with node:util.parseArgs (#9508) (@​jeddy3).
• Changed: globbyOptions to support only a subset of options (#9500) (@​jeddy3).
• Changed: function-no-unknown to use the CSSTree Syntax Reference for known functions and to ignore vendor-prefixed functions (#9574) (@​jeddy3).
• Changed: color detection to use new color option with node:util.styleText (#9529) (@​jeddy3).
• Changed: hyperlink detection (#9536) (@​jeddy3).
• Added: at-charset-rule-no-invalid rule (#9509) (@​firefoxic).
• Added: declaration-property-custom-property-allowed-list rule (#9542) (@​jeddy3).
• Added: value-no-invalid rule (#9507) (@​jeddy3).
• Added: value-type-custom-property-required-list experimental rule (#9572) (@​jeddy3).
• Added: stable support for processors configuration property (#9543) (@​jeddy3).
• Added: stable support for referenceFiles configuration property (#9598) (@​jeddy3).
• Added: result.stylelint.postcss property for plugins (#9594) (@​jeddy3).
• Added: stylelint.version property (#9595) (@​ybiquitous).
• Added: languageOptions.syntax support to function-no-unknown (#9574) (@​jeddy3).
• Fixed: referenceFiles performance (#9573) (@​jeddy3).
• Fixed: import and cache performance by replacing file-entry-cache (#9593) (@​jeddy3).
• Fixed: import performance by lazily loading css-tree (#9580) (@​jeddy3).
• Fixed: exit code when all errors in a file are suppressed and other problems are reported (#9528) (@​schreibse).
• Fixed: --fix for files where the only change is the removal of a byte order mark (#9512) (@​firefoxic).
• Fixed: Config['extends'] type for configuration objects (#9526) (@​firefoxic).
• Fixed: at-rule-descriptor-value-no-unknown false negatives for var() (#9614) (@​jeddy3).
• Fixed: custom-property-{pattern,no-missing-var-function} and *-no-unknown false positives and negatives for @property with a list of names (#9571) (@​jeddy3).
• Fixed: custom-property-no-missing-var-function false negatives for custom properties defined in referenceFiles (#9570) (@​jeddy3).
• Fixed: custom-property-no-missing-var-function false positives for recently introduced properties (#9567) (@​jeddy3).
• Fixed: declaration-block-no-redundant-longhand-properties and declaration-block-no-shorthand-property-overrides false negatives for contain-intrinsic-size (#9550) (@​firefoxic).
• Fixed: declaration-block-no-shorthand-property-overrides false negatives for flow-relative properties overridden by physical shorthands (#9549) (@​firefoxic).
• Fixed: declaration-property-value-no-unknown false negatives for values containing known custom properties (#9537) (@​jeddy3).
• Fixed: declaration-property-value-no-unknown false negatives for values containing registered custom properties (#9566) (@​jeddy3).
• Fixed: declaration-property-value-no-unknown false positives and negatives for files included in a referenceFiles bundle (#9358) (@​romainmenke).
• Fixed: property-layout-mappings false negatives for physical shorthand properties (#9615) (@​jeddy3).

Commits

• 7c49e18 Release 18.0.0 (#9628)
• 88973f0 Prepare 18.0.0 (#9627)
• c775354 Fix declaration-property-value-no-unknown false positives and negatives for...
• 9040322 Change ignore* for value-type-custom-property-required-list (#9626)
• 106c1f0 Document custom property example more precisely in the customising guide (#9624)
• 221d9b8 Document overrides more prominently in customizing guide (#9623)
• 6c923ef Document configuration-based approach to rules (#9622)
• 5290eea Document use cases in rule extended description of each rule (#9621)
• a1d7ca9 Bump ignore from 7.0.12 to 7.0.14 (#9620)
• 0009a60 Bump npm-run-all2 from 9.0.3 to 9.0.4 (#9619)
• Additional commits viewable in compare view