build(stylelint): improve empty line rules (#226)

assets/scss/functions/_breakpoint.scss

@@ -9,6 +9,7 @@
 @function breakpoint($key, $strip-unit: false) {
     @if meta.type-of($breakpoints) != map {
         @warn "$breakpoints is not defined";
+
         @return null;
     }
 
@@ -23,5 +24,6 @@
     }
 
     @warn "Unkown '#{$key}' in $breakpoints.";
+
     @return null;
 }

assets/scss/functions/_color.scss

@@ -7,5 +7,6 @@
     }
 
     @warn "Unkown '#{$key}' in $colors.";
+
     @return null;
 }

assets/scss/functions/_decimal.scss

@@ -23,15 +23,18 @@
     // $number must be a number
     @if meta.type-of($number) != number {
         @warn '#{ $number } is not a number.';
+
         @return $number;
     }
 
     // $digits must be a unitless number
     @if meta.type-of($digits) != number {
         @warn '#{ $digits } is not a number.';
+
         @return $number;
     } @else if not  math.is-unitless($digits) {
         @warn '#{ $digits } has a unit.';
+
         @return $number;
     }
 
@@ -47,6 +50,7 @@
         @return math.div(math.floor($number * $n), $n);
     } @else {
         @warn '#{ $mode } is undefined keyword.';
+
         @return $number;
     }
 }

assets/scss/functions/_ease.scss

@@ -7,6 +7,6 @@
     }
 
     @warn "Unkown '#{$key}' in $ease-curves.";
-    @return null;
+
     @return null;
 }

stylelint.config.mjs

@@ -27,6 +27,14 @@ export default {
         'scss/comment-no-empty': null,
         'color-function-notation': null, // do not change rgba() to rgb()
         'no-duplicate-selectors': null, // The & selector is considering as duplicate. See https://github.com/stylelint/stylelint/issues/7893
+        'at-rule-empty-line-before': [
+            'always',
+            {
+                except: ['blockless-after-same-name-blockless', 'first-nested'],
+                ignore: ['after-comment', 'blockless-after-same-name-blockless'],
+                ignoreAtRules: ['else'],
+            },
+        ],
     },
     defaultSeverity: 'warning',
     ignoreFiles: ['./assets/scss/vendors/_tarteaucitron.scss', './assets/scss/vendors/_orejime.scss', './dist/**/*.css'],