use @apostrophecms/stylelint-no-mixed-decl plugin as an external package (#30)

* use `@apostrophecms/require-nested-after-include` plugin as an external package

* use @apostrophecms/stylelint-no-mixed-decls

---------

Co-authored-by: Etienne Laurent <git.sabbath464@passmail.net>

Author: ETLaurent

.stylelintrc.json

@@ -4,7 +4,7 @@
     "stylelint-declaration-strict-value",
     "stylelint-order",
     "stylelint-scss",
-    "./plugins/require-nested-after-include.js"
+    "@apostrophecms/stylelint-no-mixed-decls"
   ],
   "ignoreFiles": ["node_modules/**/*", "**/node_modules/**/*"],
   "rules": {
@@ -246,7 +246,7 @@
     "scss/dollar-variable-pattern": "^([a-z][a-z0-9]*)(-[a-z0-9]+)*$",
     "scss/load-partial-extension": "never",
     "scss/no-duplicate-mixins": true,
-    "custom/require-nested-after-include": true
+    "@apostrophecms/stylelint-no-mixed-decls": true
   },
   "overrides": [
     {

CHANGELOG.md

@@ -4,6 +4,12 @@ All notable changes to this project will be documented in this file.
 
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/), and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## UNRELEASED
+
+### Changed
+
+* Extract `custom/require-nested-after-include` rule to a standalone `@apostrophecms/stylelint-no-mixed-decls` plugin and use it.
+
 ## 4.2.2 (2025-01-27)
 
 ### Changed

package.json

@@ -25,6 +25,7 @@
     "stylelint": ">= 16.1.0"
   },
   "dependencies": {
+    "@apostrophecms/stylelint-no-mixed-decls": "^1.0.0",
     "stylelint-config-html": "^1.1.0",
     "stylelint-config-standard": "^36.0.0",
     "stylelint-declaration-strict-value": "^1.10.7",
@@ -40,4 +41,4 @@
     "mocha": "^10.2.0",
     "postcss-scss": "^4.0.9"
   }
-}
+}