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authorMario Vavti <mario@mariovavti.com>2018-09-07 11:26:02 +0200
committerMario Vavti <mario@mariovavti.com>2018-09-07 11:26:02 +0200
commit54fa28441c5f0bdcd9687615f4a6b7a0fab024a3 (patch)
tree33866b82c7ba3a6f6ecb9e6ca69233fc65379b43 /vendor/twbs/bootstrap/scss/_functions.scss
parentbb42ec2bfc0826dde3e3915566c4689762b128d7 (diff)
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install bootstrap via composer
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diff --git a/vendor/twbs/bootstrap/scss/_functions.scss b/vendor/twbs/bootstrap/scss/_functions.scss
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+// Bootstrap functions
+//
+// Utility mixins and functions for evaluating source code across our variables, maps, and mixins.
+
+// Ascending
+// Used to evaluate Sass maps like our grid breakpoints.
+@mixin _assert-ascending($map, $map-name) {
+ $prev-key: null;
+ $prev-num: null;
+ @each $key, $num in $map {
+ @if $prev-num == null {
+ // Do nothing
+ } @else if not comparable($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}' !";
+ } @else if $prev-num >= $num {
+ @warn "Invalid value for #{$map-name}: This map must be in ascending order, but key '#{$key}' has value #{$num} which isn't greater than #{$prev-num}, the value of the previous key '#{$prev-key}' !";
+ }
+ $prev-key: $key;
+ $prev-num: $num;
+ }
+}
+
+// Starts at zero
+// Another grid mixin that ensures the min-width of the lowest breakpoint starts at 0.
+@mixin _assert-starts-at-zero($map) {
+ $values: map-values($map);
+ $first-value: nth($values, 1);
+ @if $first-value != 0 {
+ @warn "First breakpoint in `$grid-breakpoints` must start at 0, but starts at #{$first-value}.";
+ }
+}
+
+// Replace `$search` with `$replace` in `$string`
+// Used on our SVG icon backgrounds for custom forms.
+//
+// @author Hugo Giraudel
+// @param {String} $string - Initial string
+// @param {String} $search - Substring to replace
+// @param {String} $replace ('') - New value
+// @return {String} - Updated string
+@function str-replace($string, $search, $replace: "") {
+ $index: str-index($string, $search);
+
+ @if $index {
+ @return str-slice($string, 1, $index - 1) + $replace + str-replace(str-slice($string, $index + str-length($search)), $search, $replace);
+ }
+
+ @return $string;
+}
+
+// Color contrast
+@function color-yiq($color) {
+ $r: red($color);
+ $g: green($color);
+ $b: blue($color);
+
+ $yiq: (($r * 299) + ($g * 587) + ($b * 114)) / 1000;
+
+ @if ($yiq >= $yiq-contrasted-threshold) {
+ @return $yiq-text-dark;
+ } @else {
+ @return $yiq-text-light;
+ }
+}
+
+// Retrieve color Sass maps
+@function color($key: "blue") {
+ @return map-get($colors, $key);
+}
+
+@function theme-color($key: "primary") {
+ @return map-get($theme-colors, $key);
+}
+
+@function gray($key: "100") {
+ @return map-get($grays, $key);
+}
+
+// Request a theme color level
+@function theme-color-level($color-name: "primary", $level: 0) {
+ $color: theme-color($color-name);
+ $color-base: if($level > 0, $black, $white);
+ $level: abs($level);
+
+ @return mix($color-base, $color, $level * $theme-color-interval);
+}