Add directioner

sass/components/breadcrumb.sass

@@ -24,7 +24,7 @@ $breadcrumb-item-separator-color: $border-hover !default
     align-items: center
     display: flex
     &:first-child a
-      padding-left: 0
+      +directioner("padding", 0, false)
     &.is-active
       a
         color: $breadcrumb-item-active-color
@@ -41,9 +41,9 @@ $breadcrumb-item-separator-color: $border-hover !default
     justify-content: flex-start
   .icon
     &:first-child
-      margin-right: 0.5em
+      +directioner("margin", 0.5em)
     &:last-child
-      margin-left: 0.5em
+      +directioner("margin", 0.5em, false)
   // Alignment
   &.is-centered
     ol,

sass/components/dropdown.sass

@@ -62,7 +62,7 @@ $dropdown-divider-background-color: $border-light !default
 
 a.dropdown-item,
 button.dropdown-item
-  padding-right: 3rem
+  +directioner("padding", 3rem)
   text-align: inherit
   white-space: nowrap
   width: 100%

sass/components/level.sass

@@ -20,7 +20,7 @@ $level-item-spacing: ($block-spacing / 2) !default
     .level-item
       &:not(:last-child)
         margin-bottom: 0
-        margin-right: $level-item-spacing
+        +directioner("margin", $level-item-spacing)
       &:not(.is-narrow)
         flex-grow: 1
   // Responsiveness
@@ -57,7 +57,7 @@ $level-item-spacing: ($block-spacing / 2) !default
     // Responsiveness
     +tablet
       &:not(:last-child)
-        margin-right: $level-item-spacing
+        +directioner("margin", $level-item-spacing)
 
 .level-left
   align-items: center

sass/components/message.sass

@@ -79,7 +79,7 @@ $message-colors: $colors !default
   .delete
     flex-grow: 0
     flex-shrink: 0
-    +margin-left(0.75em)
+    +directioner("margin", 0.75em, false)
   & + .message-body
     border-width: $message-header-body-border-width
     border-top-left-radius: 0

sass/components/panel.sass

@@ -88,7 +88,7 @@ $panel-colors: $colors !default
   justify-content: flex-start
   padding: 0.5em 0.75em
   input[type="checkbox"]
-    +margin-right(0.75em)
+    +directioner("margin", 0.75em)
   & > .control
     flex-grow: 1
     flex-shrink: 1
@@ -113,7 +113,7 @@ label.panel-block
 .panel-icon
   +fa(14px, 1em)
   color: $panel-icon-color
-  +margin-right(0.75em)
+  +directioner("margin", 0.75em)
   .fa
     font-size: inherit
     line-height: inherit

sass/components/tabs.sass

@@ -78,9 +78,9 @@ $tabs-toggle-link-active-color: $link-invert !default
       padding-left: 0.75em
   .icon
     &:first-child
-      +margin-right(0.5em)
+      +directioner("margin", 0.5em)
     &:last-child
-      +margin-left(0.5em)
+      +directioner("margin", 0.5em, false)
   // Alignment
   &.is-centered
     ul
@@ -122,7 +122,7 @@ $tabs-toggle-link-active-color: $link-invert !default
         z-index: 2
     li
       & + li
-        margin-left: -#{$tabs-toggle-link-border-width}
+        +directioner("margin", -#{$tabs-toggle-link-border-width}, false)
       &:first-child a
         +ltr
           border-radius: $tabs-toggle-link-radius 0 0 $tabs-toggle-link-radius