Inverted logic due to a bug in libsass, see sass/libsass#920 (comment)

AOEpeople · Mar 5, 2015 · 7c907c7 · 7c907c7
1 parent 17714a6
commit 7c907c7
Showing 1 changed file with 5 additions and 4 deletions.
diff --git a/_function.z-index.scss b/_function.z-index.scss
@@ -9,9 +9,10 @@
 // @return [number] | [null]
 
 @function z($layer) {
-    @if not map-has-key($z-layers, $layer) {
-        @warn "No z-index found in $z-layers map for `#{$layer}`. Property omitted.";
-    }
-
+  @if map-has-key($z-layers, $layer) {
     @return map-get($z-layers, $layer);
+  }
+
+  @warn "No z-index found in $z-layers map for `#{$layer}`. Property omitted.";
+  @return null;
 }