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author | Max Kostikov <max@kostikov.co> | 2018-09-28 15:46:14 +0200 |
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committer | Max Kostikov <max@kostikov.co> | 2018-09-28 15:46:14 +0200 |
commit | 4a904fa3a8af1c101ede76657249fb7eb47faf60 (patch) | |
tree | 544509813fb68579ef2b556ce879a971d183269a /vendor/twbs/bootstrap/scss/_functions.scss | |
parent | f5f6ec3d71acb3e0488386819d5060e59331ec23 (diff) | |
parent | c13d7e29ef9676b0f0e4ae23aa52e203f4ad8895 (diff) | |
download | volse-hubzilla-4a904fa3a8af1c101ede76657249fb7eb47faf60.tar.gz volse-hubzilla-4a904fa3a8af1c101ede76657249fb7eb47faf60.tar.bz2 volse-hubzilla-4a904fa3a8af1c101ede76657249fb7eb47faf60.zip |
Merge branch 'patch-29' into 'dev'
Patch 29
See merge request Kostikov/core!3
Diffstat (limited to 'vendor/twbs/bootstrap/scss/_functions.scss')
-rw-r--r-- | vendor/twbs/bootstrap/scss/_functions.scss | 86 |
1 files changed, 86 insertions, 0 deletions
diff --git a/vendor/twbs/bootstrap/scss/_functions.scss b/vendor/twbs/bootstrap/scss/_functions.scss new file mode 100644 index 000000000..bf8be9aee --- /dev/null +++ b/vendor/twbs/bootstrap/scss/_functions.scss @@ -0,0 +1,86 @@ +// 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); +} |