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File: public/vendors/bootstrap/scss/_functions.scss

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File: public/vendors/bootstrap/scss/_functions.scss
Role: Auxiliary data
Content type: text/plain
Description: Auxiliary data
Class: Devs Hunt
Manage courses and student enrolment
Author: By
Last change:
Date: 1 month ago
Size: 4,181 bytes
 

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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 $prev-num == null or unit($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}' !"; } @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: $num; } } // Starts at zero // Used to ensure the min-width of the lowest breakpoint starts at 0. @mixin _assert-starts-at-zero($map, $map-name: "$grid-breakpoints") { @if length($map) > 0 { $values: map-values($map); $first-value: nth($values, 1); @if $first-value != 0 { @warn "First breakpoint in #{$map-name} 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 $string; } // See https://codepen.io/kevinweber/pen/dXWoRw // // Requires the use of quotes around data URIs. @function escape-svg($string) { @if str-index($string, "data:image/svg+xml") { @each $char, $encoded in $escaped-characters { // Do not escape the url brackets @if str-index($string, "url(") == 1 { $string: url("#{str-replace(str-slice($string, 6, -3), $char, $encoded)}"); } @else { $string: str-replace($string, $char, $encoded); } } } @return $string; } // Color contrast @function color-yiq($color, $dark: $yiq-text-dark, $light: $yiq-text-light) { $r: red($color); $g: green($color); $b: blue($color); $yiq: (($r * 299) + ($g * 587) + ($b * 114)) / 1000; @if ($yiq >= $yiq-contrasted-threshold) { @return $dark; } @else { @return $light; } } // Retrieve color Sass maps @function color($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 * $theme-color-interval); } // Return valid calc @function add($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); }