From: Martijn Cuppens <martijn.cuppens@gmail.com>
Date: Sat, 12 Oct 2019 13:07:22 +0000 (+0200)
Subject: Fix top level ampersand (#29518)
X-Git-Tag: v4.4.0~33
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=327bfca418eb586e488e021ba2ba94074b2fc1c5;p=thirdparty%2Fbootstrap.git

Fix top level ampersand (#29518)

Fixes dart sass compatibility.
---

diff --git a/scss/mixins/_forms.scss b/scss/mixins/_forms.scss
index dac843f2ee..d542df901d 100644
--- a/scss/mixins/_forms.scss
+++ b/scss/mixins/_forms.scss
@@ -26,14 +26,16 @@
   @include deprecate("The `form-control-focus()` mixin", "v4.3.2", "v5", $ignore-warning);
 }
 
+// This mixin uses an `if()` technique to be compatible with Dart Sass
+// See https://github.com/sass/sass/issues/1873#issuecomment-152293725 for more details
 @mixin form-validation-state-selector($state) {
   @if ($state == "valid" or $state == "invalid") {
-    .was-validated &:#{$state},
-    &.is-#{$state} {
+    .was-validated #{if(&, "&", "")}:#{$state},
+    #{if(&, "&", "")}.is-#{$state} {
       @content;
     }
   } @else {
-    &.is-#{$state} {
+    #{if(&, "&", "")}.is-#{$state} {
       @content;
     }
   }