Add unit-layout-mappings rule - #9229

| datasource | package   | from   | to      |
| ---------- | --------- | ------ | ------- |
| npm        | stylelint | 17.9.1 | 17.11.0 |


## [v17.11.0](https://github.com/stylelint/stylelint/blob/HEAD/CHANGELOG.md#17110---2026-05-05)

It adds 2 features, including a `loader` property to `referenceFiles: {}` for when the order of appearance in the reference styles matters.

- Added: `loader` to experimental `referenceFiles: {}` ([#9251](stylelint/stylelint#9251)) ([@romainmenke](https://github.com/romainmenke)).
- Added: `autofixed` to the result object ([#8771](stylelint/stylelint#8771)) ([@Rob--W](https://github.com/Rob--W)).


## [v17.10.0](https://github.com/stylelint/stylelint/blob/HEAD/CHANGELOG.md#17100---2026-05-03)

It adds 3 rules and fixes 4 bugs. You can use the `*-layout-mappings` rules to enforce logical or physical properties, units and keywords.

- Added: `selector-no-invalid` rule ([#9232](stylelint/stylelint#9232)) ([@jeddy3](https://github.com/jeddy3)).
- Added: `unit-layout-mappings` rule ([#9229](stylelint/stylelint#9229)) ([@jeddy3](https://github.com/jeddy3)).
- Added: `value-keyword-layout-mappings` rule ([#9233](stylelint/stylelint#9233)) ([@jeddy3](https://github.com/jeddy3)).
- Fixed: inconsistent error messages when module is not found ([#9260](stylelint/stylelint#9260)) ([@ybiquitous](https://github.com/ybiquitous)).
- Fixed: `property-layout-mappings` false negatives for property names in declaration values ([#9222](stylelint/stylelint#9222)) ([@jeddy3](https://github.com/jeddy3)).
- Fixed: `property-layout-mappings` false positives for `@page` properties ([#9223](stylelint/stylelint#9223)) ([@jeddy3](https://github.com/jeddy3)).
- Fixed: `selector-pseudo-class-no-unknown` false positives for nested `webkit-scrollbar` part ([#9259](stylelint/stylelint#9259)) ([@rkdfx](https://github.com/rkdfx)).

This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
| [@tree-company/eslint-config](https://github.com/tree-company/developer-handbook) | devDependencies | minor | [`^0.5.0` -> `^0.6.0`](https://renovatebot.com/diffs/npm/@tree-company%2feslint-config/0.5.0/0.6.0) |
| [@tree-company/stylelint-config](https://github.com/tree-company/developer-handbook) | devDependencies | minor | [`^0.5.0` -> `^0.6.0`](https://renovatebot.com/diffs/npm/@tree-company%2fstylelint-config/0.5.0/0.6.0) |
| [stylelint](https://stylelint.io) ([source](https://github.com/stylelint/stylelint)) | devDependencies | minor | [`17.8.0` -> `17.12.0`](https://renovatebot.com/diffs/npm/stylelint/17.8.0/17.12.0) |

---

### Release Notes

<details>
<summary>stylelint/stylelint (stylelint)</summary>

### [`v17.12.0`](https://github.com/stylelint/stylelint/blob/HEAD/CHANGELOG.md#17120---2026-05-20)

[Compare Source](stylelint/stylelint@17.11.1...17.12.0)

It fixes 3 bugs, including a false negative one.

- Fixed: `block-no-empty` reported range when using comments ([#&#8203;9294](stylelint/stylelint#9294)) ([@&#8203;romainmenke](https://github.com/romainmenke)).
- Fixed: `declaration-property-value-no-unknown` false negatives for custom properties defined in reference files ([#&#8203;9292](stylelint/stylelint#9292)) ([@&#8203;romainmenke](https://github.com/romainmenke)).
- Fixed: `value-keyword-layout-mappings` false positives for `caption-side` ([#&#8203;9293](stylelint/stylelint#9293)) ([@&#8203;romainmenke](https://github.com/romainmenke)).

### [`v17.11.1`](https://github.com/stylelint/stylelint/blob/HEAD/CHANGELOG.md#17111---2026-05-14)

[Compare Source](stylelint/stylelint@17.11.0...17.11.1)

It fixes 2 bugs.

- Fixed: `node_modules` ignore for `codeFilename` paths containing a dot-prefixed directory ([#&#8203;9282](stylelint/stylelint#9282)) ([@&#8203;tuhtah](https://github.com/tuhtah)).
- Fixed: `declaration-block-no-redundant-longhand-properties` range for contiguous redundant longhand properties ([#&#8203;9273](stylelint/stylelint#9273)) ([@&#8203;pamelalozano16](https://github.com/pamelalozano16)).

### [`v17.11.0`](https://github.com/stylelint/stylelint/blob/HEAD/CHANGELOG.md#17110---2026-05-05)

[Compare Source](stylelint/stylelint@17.10.0...17.11.0)

It adds 2 features, including a `loader` property to `referenceFiles: {}` for when the order of appearance in the reference styles matters.

- Added: `loader` to experimental `referenceFiles: {}` ([#&#8203;9251](stylelint/stylelint#9251)) ([@&#8203;romainmenke](https://github.com/romainmenke)).
- Added: `autofixed` to the result object ([#&#8203;8771](stylelint/stylelint#8771)) ([@&#8203;Rob--W](https://github.com/Rob--W)).

### [`v17.10.0`](https://github.com/stylelint/stylelint/blob/HEAD/CHANGELOG.md#17100---2026-05-03)

[Compare Source](stylelint/stylelint@17.9.1...17.10.0)

It adds 3 rules and fixes 4 bugs. You can use the `*-layout-mappings` rules to enforce logical or physical properties, units and keywords.

- Added: `selector-no-invalid` rule ([#&#8203;9232](stylelint/stylelint#9232)) ([@&#8203;jeddy3](https://github.com/jeddy3)).
- Added: `unit-layout-mappings` rule ([#&#8203;9229](stylelint/stylelint#9229)) ([@&#8203;jeddy3](https://github.com/jeddy3)).
- Added: `value-keyword-layout-mappings` rule ([#&#8203;9233](stylelint/stylelint#9233)) ([@&#8203;jeddy3](https://github.com/jeddy3)).
- Fixed: inconsistent error messages when module is not found ([#&#8203;9260](stylelint/stylelint#9260)) ([@&#8203;ybiquitous](https://github.com/ybiquitous)).
- Fixed: `property-layout-mappings` false negatives for property names in declaration values ([#&#8203;9222](stylelint/stylelint#9222)) ([@&#8203;jeddy3](https://github.com/jeddy3)).
- Fixed: `property-layout-mappings` false positives for `@page` properties ([#&#8203;9223](stylelint/stylelint#9223)) ([@&#8203;jeddy3](https://github.com/jeddy3)).
- Fixed: `selector-pseudo-class-no-unknown` false positives for nested `webkit-scrollbar` part ([#&#8203;9259](stylelint/stylelint#9259)) ([@&#8203;rkdfx](https://github.com/rkdfx)).

### [`v17.9.1`](https://github.com/stylelint/stylelint/blob/HEAD/CHANGELOG.md#1791---2026-04-27)

[Compare Source](stylelint/stylelint@17.9.0...17.9.1)

It fixes 4 bugs. We also documented the `messageArgs` each rule provides to the `message` configuration property.

- Fixed: `ConfigurationError` regression for custom syntaxes ([#&#8203;9245](stylelint/stylelint#9245)) ([@&#8203;jeddy3](https://github.com/jeddy3)).
- Fixed: MD5 hash algorithm to SHA256 for caching ([#&#8203;9241](stylelint/stylelint#9241)) ([@&#8203;rkdfx](https://github.com/rkdfx)).
- Fixed: `property-no-deprecated` autofix for `page-break-*: always` ([#&#8203;9214](stylelint/stylelint#9214)) ([@&#8203;rkdfx](https://github.com/rkdfx)).
- Fixed: `selector-no-deprecated` false positives for `::part()` ([#&#8203;9227](stylelint/stylelint#9227)) ([@&#8203;SaekiTominaga](https://github.com/SaekiTominaga)).

### [`v17.9.0`](https://github.com/stylelint/stylelint/blob/HEAD/CHANGELOG.md#1790---2026-04-23)

[Compare Source](stylelint/stylelint@17.8.0...17.9.0)

It adds 3 new features. Adding the `referenceFiles` property to your configuration object makes the `no-unknown-animations`, `no-unknown-custom-media` and `no-unknown-custom-properties` rules more useful.

- Added: experimental `referenceFiles` to configuration object ([#&#8203;9179](stylelint/stylelint#9179)) ([@&#8203;jeddy3](https://github.com/jeddy3)).
- Added: experimental `abortSignal` option to Node.js API for cancellation support ([#&#8203;9213](stylelint/stylelint#9213)) ([@&#8203;adalinesimonian](https://github.com/adalinesimonian)).
- Added: `maxWarnings` to configuration object ([#&#8203;9181](stylelint/stylelint#9181)) ([@&#8203;mrginglymus](https://github.com/mrginglymus)).

</details>

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Reviewed-on: https://git.robbevp.be/robbevp/website-robbevanpetegem/pulls/510