chore(lint): introduce Stylelint to lint SCSS code

.stylelintrc

@@ -0,0 +1,94 @@
+{
+  "extends": "stylelint-config-standard-scss",
+  "plugins": [
+    "stylelint-scss",
+    "stylelint-order"
+  ],
+  "rules": {
+    "alpha-value-notation": "number",
+    "at-rule-empty-line-before": null,
+    "block-no-empty": true,
+    "color-named": "never",
+    "color-hex-case": "lower",
+    "import-notation": null,
+    "max-nesting-depth": 5,
+    "number-leading-zero": "never",
+    "property-no-vendor-prefix": true,
+    "rule-empty-line-before": null,
+    "order/properties-alphabetical-order": null,
+    "order/properties-order": [
+      "position",
+      "top",
+      "bottom",
+      "right",
+      "left",
+      "display",
+      "align-items",
+      "justify-content",
+      "float",
+      "clear",
+      "overflow",
+      "overflow-x",
+      "overflow-y",
+      "margin",
+      "margin-top",
+      "margin-right",
+      "margin-bogttom",
+      "margin-left",
+      "padding",
+      "padding-top",
+      "padding-right",
+      "padding-bottom",
+      "padding-left",
+      "width",
+      "min-width",
+      "max-width",
+      "height",
+      "min-height",
+      "max-height",
+      "font-size",
+      "font-family",
+      "font-weight",
+      "text-align",
+      "text-justify",
+      "text-indent",
+      "text-overflow",
+      "text-decoration",
+      "white-space",
+      "color",
+      "background",
+      "background-position",
+      "background-repeat",
+      "background-size",
+      "background-color",
+      "background-clip",
+      "border",
+      "border-style",
+      "border-width",
+      "border-color",
+      "border-top-style",
+      "border-top-width",
+      "border-top-color",
+      "border-right-style",
+      "border-right-width",
+      "border-right-color",
+      "border-bottom-style",
+      "border-bottom-width",
+      "border-bottom-color",
+      "border-left-style",
+      "border-left-width",
+      "border-left-color",
+      "border-radius",
+      "opacity",
+      "filter",
+      "list-style",
+      "outline",
+      "visibility",
+      "z-index",
+      "box-shadow",
+      "text-shadow",
+      "resize",
+      "transition"
+    ]
+  }
+}

.vscode/settings.json

@@ -1,3 +1,6 @@
-{
-  "cSpell.enabled": false
-}
+{
+  "cSpell.enabled": false,
+  "stylelint.enable": true,
+  "stylelint.configFile": ".stylelintrc",
+  "workbench.colorCustomizations": {}
+}

package.json

@@ -32,7 +32,9 @@
   },
   "scripts": {
     "build": "grunt build",
-    "bump": "bumpp"
+    "bump": "bumpp",
+    "lint": "stylelint **/*.scss --config .stylelintrc",
+    "lint:fix": "stylelint **/*.scss --config .stylelintrc --fix"
   },
   "dependencies": {
     "coffeescript": "^2.7.0",
@@ -46,6 +48,10 @@
     "grunt": "^1.6.1",
     "grunt-sass": "^3.1.0",
     "load-grunt-tasks": "^5.1.0",
-    "postcss": "^8.4.21"
+    "postcss": "^8.4.21",
+    "stylelint": "^15.2.0",
+    "stylelint-config-standard-scss": "^7.0.1",
+    "stylelint-order": "^6.0.2",
+    "stylelint-scss": "^4.4.0"
   }
 }

src/scss/_vars/colors.scss

@@ -1,11 +1,11 @@
 $shiki-light: #f8f8f8;
 $shiki-dark: #0e0e0e;
-$link-border: hsla(0, 0%, 50%, .3);
+$link-border: hsla(0deg 0 50% / .3);
 $code: #111827;
 $ol-counter: #6b7280;
 $ul-counter: #d1d5db;
-$hr-border: hsla(0, 0%, 50%, .3);
-$blockquote-border: hsla(0, 0%, 50%, .3);
+$hr-border: hsla(0deg 0 50% / .3);
+$blockquote-border: hsla(0deg 0 50% / .3);
 $figcaption: #6b7280;
 $pre: #e5e7eb;
 $thead: #111827;

src/scss/markdown.scss

@@ -1,6 +1,6 @@
 .markdown-body {
-  color: var(--xm-c-general);
   font-family: var(--xm-font-sans) !important;
+  color: var(--xm-c-general);
   pre {
     &:not(.shiki, .highlight) {
       margin: 0;