Helpers & utilities split (#28445)

7 files changed, 105 insertions, 0 deletions

diff --git a/scss/helpers/_background.scss b/scss/helpers/_background.scss
new file mode 100644
index 000000000..1c0a32a23
--- /dev/null
+++ b/scss/helpers/_background.scss
@@ -0,0 +1,5 @@
+@if $enable-gradients {
+  @each $color, $value in $theme-colors {
+    @include bg-gradient-variant(".bg-gradient-#{$color}", $value);
+  }
+}
diff --git a/scss/helpers/_clearfix.scss b/scss/helpers/_clearfix.scss
new file mode 100644
index 000000000..e92522a94
--- /dev/null
+++ b/scss/helpers/_clearfix.scss
@@ -0,0 +1,3 @@
+.clearfix {
+  @include clearfix();
+}
diff --git a/scss/helpers/_embed.scss b/scss/helpers/_embed.scss
new file mode 100644
index 000000000..89d22aa6c
--- /dev/null
+++ b/scss/helpers/_embed.scss
@@ -0,0 +1,36 @@
+// Credit: Nicolas Gallagher and SUIT CSS.
+
+.embed-responsive {
+  position: relative;
+  display: block;
+  width: 100%;
+  padding: 0;
+  overflow: hidden;
+
+  &::before {
+    display: block;
+    content: "";
+  }
+
+  .embed-responsive-item,
+  iframe,
+  embed,
+  object,
+  video {
+    position: absolute;
+    top: 0;
+    bottom: 0;
+    left: 0;
+    width: 100%;
+    height: 100%;
+    border: 0;
+  }
+}
+
+@each $key, $ratio in $embed-responsive-aspect-ratios {
+  .embed-responsive-#{$key} {
+    &::before {
+      padding-top: percentage(map-get($ratio, y) / map-get($ratio, x));
+    }
+  }
+}
diff --git a/scss/helpers/_position.scss b/scss/helpers/_position.scss
new file mode 100644
index 000000000..e0c4c2c11
--- /dev/null
+++ b/scss/helpers/_position.scss
@@ -0,0 +1,27 @@
+// stylelint-disable declaration-no-important
+
+// Shorthand
+
+.fixed-top {
+  position: fixed;
+  top: 0;
+  right: 0;
+  left: 0;
+  z-index: $zindex-fixed;
+}
+
+.fixed-bottom {
+  position: fixed;
+  right: 0;
+  bottom: 0;
+  left: 0;
+  z-index: $zindex-fixed;
+}
+
+.sticky-top {
+  @supports (position: sticky) {
+    position: sticky;
+    top: 0;
+    z-index: $zindex-sticky;
+  }
+}
diff --git a/scss/helpers/_screenreaders.scss b/scss/helpers/_screenreaders.scss
new file mode 100644
index 000000000..c8034d10e
--- /dev/null
+++ b/scss/helpers/_screenreaders.scss
@@ -0,0 +1,8 @@
+//
+// Screenreaders
+//
+
+.sr-only,
+.sr-only-focusable:not(:focus) {
+  @include sr-only();
+}
diff --git a/scss/helpers/_stretched-link.scss b/scss/helpers/_stretched-link.scss
new file mode 100644
index 000000000..fb5066bf5
--- /dev/null
+++ b/scss/helpers/_stretched-link.scss
@@ -0,0 +1,19 @@
+//
+// Stretched link
+//
+
+.stretched-link {
+  &::after {
+    position: absolute;
+    top: 0;
+    right: 0;
+    bottom: 0;
+    left: 0;
+    z-index: 1;
+    // Just in case `pointer-events: none` is set on a parent
+    pointer-events: auto;
+    content: "";
+    // IE10 bugfix, see https://stackoverflow.com/questions/16947967/ie10-hover-pseudo-class-doesnt-work-without-background-color
+    background-color: rgba(0, 0, 0, 0);
+  }
+}
diff --git a/scss/helpers/_text.scss b/scss/helpers/_text.scss
new file mode 100644
index 000000000..419703f1c
--- /dev/null
+++ b/scss/helpers/_text.scss
@@ -0,0 +1,7 @@
+//
+// Text
+//
+
+.text-truncate {
+  @include text-truncate;
+}