Helpers & utilities split

package.json

@@ -165,11 +165,11 @@
   "bundlesize": [
     {
       "path": "./dist/css/bootstrap-grid.css",
-      "maxSize": "7 kB"
+      "maxSize": "8 kB"
     },
     {
       "path": "./dist/css/bootstrap-grid.min.css",
-      "maxSize": "6 kB"
+      "maxSize": "7.2 kB"
     },
     {
       "path": "./dist/css/bootstrap-reboot.css",

scss/_functions.scss

@@ -30,6 +30,30 @@
   }
 }
 
+// Internal Bootstrap function to turn maps into its negative variant.
+// If prefixes the keys with `n` and makes the value negative.
+@function negativify-map($map) {
+  $result: ();
+  @each $key, $value in $map {
+    @if $key != 0 {
+      $result: map-merge($result, ("n" + $key: (-$value)));
+    }
+  }
+  @return $result;
+}
+
+// Get multiple keys from a sass map
+@function map-get-multiple($map, $values) {
+  $result: ();
+  @each $key, $value in $map {
+    @if (index($values, $key) != null) {
+      $result: map-merge($result, ($key: $value));
+    }
+  }
+  @return $map;
+}
+
+
 // Replace `$search` with `$replace` in `$string`
 // Used on our SVG icon backgrounds for custom forms.
 //

scss/_helpers.scss

@@ -0,0 +1,7 @@
+@import "helpers/background";
+@import "helpers/clearfix";
+@import "helpers/embed";
+@import "helpers/position";
+@import "helpers/screenreaders";
+@import "helpers/stretched-link";
+@import "helpers/text";

scss/_mixins.scss

@@ -8,7 +8,7 @@
 // Deprecate
 @import "mixins/deprecate";
 
-// Utilities
+// Helpers
 @import "mixins/breakpoints";
 @import "mixins/hover";
 @import "mixins/image";
@@ -18,6 +18,9 @@
 @import "mixins/text-emphasis";
 @import "mixins/text-truncate";
 
+// Utilities
+@import "mixins/utilities";
+
 // Components
 @import "mixins/alert";
 @import "mixins/buttons";