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-rw-r--r--vendor/twbs/bootstrap/scss/_functions.scss50
1 files changed, 49 insertions, 1 deletions
diff --git a/vendor/twbs/bootstrap/scss/_functions.scss b/vendor/twbs/bootstrap/scss/_functions.scss
index d2cc91d57..695e6cd2f 100644
--- a/vendor/twbs/bootstrap/scss/_functions.scss
+++ b/vendor/twbs/bootstrap/scss/_functions.scss
@@ -8,7 +8,7 @@
$prev-key: null;
$prev-num: null;
@each $key, $num in $map {
- @if $prev-num == null or unit($num) == "%" {
+ @if $prev-num == null or unit($num) == "%" or unit($prev-num) == "%" {
// Do nothing
} @else if not comparable($prev-num, $num) {
@warn "Potentially invalid value for #{$map-name}: This map must be in ascending order, but key '#{$key}' has value #{$num} whose unit makes it incomparable to #{$prev-num}, the value of the previous key '#{$prev-key}' !";
@@ -48,6 +48,17 @@
@return $string;
}
+// See https://codepen.io/kevinweber/pen/dXWoRw
+@function escape-svg($string) {
+ @if str-index($string, "data:image/svg+xml") {
+ @each $char, $encoded in $escaped-characters {
+ $string: str-replace($string, $char, $encoded);
+ }
+ }
+
+ @return $string;
+}
+
// Color contrast
@function color-yiq($color, $dark: $yiq-text-dark, $light: $yiq-text-light) {
$r: red($color);
@@ -84,3 +95,40 @@
@return mix($color-base, $color, $level * $theme-color-interval);
}
+
+// Return valid calc
+@function add($value1, $value2, $return-calc: true) {
+ @if $value1 == null {
+ @return $value2;
+ }
+
+ @if $value2 == null {
+ @return $value1;
+ }
+
+ @if type-of($value1) == number and type-of($value2) == number and comparable($value1, $value2) {
+ @return $value1 + $value2;
+ }
+
+ @return if($return-calc == true, calc(#{$value1} + #{$value2}), $value1 + unquote(" + ") + $value2);
+}
+
+@function subtract($value1, $value2, $return-calc: true) {
+ @if $value1 == null and $value2 == null {
+ @return null;
+ }
+
+ @if $value1 == null {
+ @return -$value2;
+ }
+
+ @if $value2 == null {
+ @return $value1;
+ }
+
+ @if type-of($value1) == number and type-of($value2) == number and comparable($value1, $value2) {
+ @return $value1 - $value2;
+ }
+
+ @return if($return-calc == true, calc(#{$value1} - #{$value2}), $value1 + unquote(" - ") + $value2);
+}