make stylelint work

Signed-off-by: Julius Härtl <jus@bitgrid.net>

composer.lock

@@ -60,5 +60,6 @@
     "prefer-stable": false,
     "prefer-lowest": false,
     "platform": [],
-    "platform-dev": []
+    "platform-dev": [],
+    "plugin-api-version": "1.1.0"
 }

package-lock.json

@@ -9797,6 +9797,34 @@
         }
       }
     },
+    "stylelint-config-recommended": {
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/stylelint-config-recommended/-/stylelint-config-recommended-3.0.0.tgz",
+      "integrity": "sha512-F6yTRuc06xr1h5Qw/ykb2LuFynJ2IxkKfCMf+1xqPffkxh0S09Zc902XCffcsw/XMFq/OzQ1w54fLIDtmRNHnQ==",
+      "dev": true
+    },
+    "stylelint-config-recommended-scss": {
+      "version": "4.2.0",
+      "resolved": "https://registry.npmjs.org/stylelint-config-recommended-scss/-/stylelint-config-recommended-scss-4.2.0.tgz",
+      "integrity": "sha512-4bI5BYbabo/GCQ6LbRZx/ZlVkK65a1jivNNsD+ix/Lw0U3iAch+jQcvliGnnAX8SUPaZ0UqzNVNNAF3urswa7g==",
+      "dev": true,
+      "requires": {
+        "stylelint-config-recommended": "^3.0.0"
+      }
+    },
+    "stylelint-scss": {
+      "version": "3.18.0",
+      "resolved": "https://registry.npmjs.org/stylelint-scss/-/stylelint-scss-3.18.0.tgz",
+      "integrity": "sha512-LD7+hv/6/ApNGt7+nR/50ft7cezKP2HM5rI8avIdGaUWre3xlHfV4jKO/DRZhscfuN+Ewy9FMhcTq0CcS0C/SA==",
+      "dev": true,
+      "requires": {
+        "lodash": "^4.17.15",
+        "postcss-media-query-parser": "^0.2.3",
+        "postcss-resolve-nested-selector": "^0.1.1",
+        "postcss-selector-parser": "^6.0.2",
+        "postcss-value-parser": "^4.1.0"
+      }
+    },
     "stylelint-webpack-plugin": {
       "version": "2.1.0",
       "resolved": "https://registry.npmjs.org/stylelint-webpack-plugin/-/stylelint-webpack-plugin-2.1.0.tgz",

package.json

@@ -51,6 +51,8 @@
 		"sass-loader": "^8.0.2",
 		"style-loader": "^1.2.1",
 		"stylelint": "^13.7.0",
+		"stylelint-config-recommended-scss": "^4.2.0",
+		"stylelint-scss": "^3.18.0",
 		"stylelint-webpack-plugin": "^2.1.0",
 		"url-loader": "^4.1.0",
 		"vue-hot-reload-api": "^2.3.4",