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- // Bootstrap functions
- //
- // Utility mixins and functions for evaluating source code across our variables, maps, and mixins.
- @plugin "plugins/index.js";
- // LESS PORT: This plugin implements a function for returning a list of keys in a map, like Sass’
- // [`map-keys()`](http://sass-lang.com/documentation/Sass/Script/Functions.html#map_keys-instance_method)
- // function.
- @plugin "plugins/map-keys.js";
- // LESS PORT: This plugin implements `warn()` and `error()` functions like Sass’ `@warn` and
- // `@error`.
- @plugin "plugins/logger.js";
- // 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: $num;
- // }
- //}
- // Starts at zero
- // Another grid mixin that ensures the min-width of the lowest breakpoint starts at 0.
- //@mixin _assert-starts-at-zero($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 $string;
- //}
- // See https://codepen.io/kevinweber/pen/dXWoRw
- //@function escape-svg($string) {
- // @if str-index($string, "data:image/svg+xml") {
- // @each $char, $encoded in $escaped-characters {
- // $string: str-replace($string, $char, $encoded);
- // }
- // }
- //
- // @return $string;
- //}
- @plugin "plugins/escape-svg.js";
- // Color contrast
- //@function color-yiq($color) {
- // $r: red($color);
- // $g: green($color);
- // $b: blue($color);
- //
- // $yiq: (($r * 299) + ($g * 587) + ($b * 114)) / 1000;
- //
- // @if ($yiq >= 150) {
- // @return #111;
- // } @else {
- // @return #fff;
- // }
- //}
- @plugin "plugins/color-yiq.js";
- // Retreive color Sass maps
- //@function color($key: "blue") {
- // @return map-get($colors, $key);
- //}
- @plugin "plugins/color.js";
- //@function theme-color($key: "primary") {
- // @return map-get($theme-colors, $key);
- //}
- @plugin "plugins/theme-color.js";
- //@function gray($key: "100") {
- // @return map-get($grays, $key);
- //}
- @plugin "plugins/gray.js";
- // Request a theme color level
- //@function theme-color-level($color-name: "primary", $level: 0) {
- // $color: theme-color($color-name);
- // $color-base: if($level > 0, #000, #fff);
- // $level: abs($level);
- //
- // @return mix($color-base, $color, $level * $theme-color-interval);
- //}
- @plugin "plugins/theme-color-level.js";
- // Return valid calc
- //@function add($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);
- //}
- @plugin "plugins/valid-calc.js";
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