refactor(name.adjust-multiple()): check whether color name were adjus…

…ted.

color/functions/name/_name.adjust-multiple.function.scss

@@ -16,23 +16,26 @@
   // Prepare variables.
   $adjustment: list.last($names);
   $names: list.remove-nth($names, -1);
+  $adjusted: ();
 
   // Adjustments.
   $result: ();
   $index: 1;
   @each $adjust in if(type-of($adjustment) == map, ($adjustment,), $adjustment) {
     @if type-of($adjustment) == map {
       // FEATURE: Adjust all names.
-      @if list.index(map.keys($adjust), hue, saturation, lightness, alpha) {
+      @if list.index(map.keys($adjust), hue, saturation, lightness, alpha) and not list.index($adjusted, $i) {
         @for $i from 1 through list.length($names) {
           $names: list.set-nth($names, $i, adjust(list.nth($names, $i), $adjust));
+          $adjusted: list.append($adjusted, $i);
         }
       } @else {
         // FEATURE: Adjust names by color name.
         @each $adjusted-name, $adjust in $adjust {
           @for $i from 1 through list.length($names) {
-            @if index(list.nth($names, $i), $adjusted-name) {
+            @if index(list.nth($names, $i), $adjusted-name) and not list.index($adjusted, $i) {
               $names: list.set-nth($names, $i, adjust(list.nth($names, $i), $adjust));
+              $adjusted: list.append($adjusted, $i);
             }
           }
         }
@@ -41,12 +44,14 @@
       // FEATURE: Adjustments as list.
       @for $i from 1 through list.length($names) {
         @if map.get($adjust, name) {
-          @if index(list.nth($names, $i), map.get($adjust, name)) {
+          @if index(list.nth($names, $i), map.get($adjust, name)) and not list.index($adjusted, $i) {
             $names: list.set-nth($names, $i, adjust(list.nth($names, $i), $adjust));
+            $adjusted: list.append($adjusted, $i);
           }
         } @else {
-          @if $i == $index {
+          @if $i == $index and not list.index($adjusted, $i) {
             $names: list.set-nth($names, $i, adjust(list.nth($names, $i), $adjust));
+            $adjusted: list.append($adjusted, $i);
           }
         }
       }