mirror of
https://github.com/tabler/tabler.git
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426 lines
14 KiB
SCSS
426 lines
14 KiB
SCSS
@use 'sass:math';
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@use 'sass:string';
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@use 'sass:list';
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@use 'sass:map';
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@use 'sass:color';
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@use 'sass:meta';
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@function theme-color-lighter($color, $background: #fff) {
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@return color.mix($color, $background, 10%);
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}
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@function theme-color-darker($color) {
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@return shade-color($color, 10%);
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}
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//
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// Replace all occurrences of a substring within a string.
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//
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@function str-replace($string, $search, $replace: '') {
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$index: string.index($string, $search);
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@if $index {
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@return string.slice($string, 1, $index - 1) + $replace + str-replace(string.slice($string, $index + string.length($search)), $search, $replace);
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}
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@return $string;
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}
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@mixin media-breakpoint-down-than($name, $breakpoints: $grid-breakpoints) {
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$prev: breakpoint-prev($name);
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@if $prev == null {
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@content;
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} @else {
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$max: breakpoint-max($prev, $breakpoints);
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@if $max {
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@media (max-width: $max) {
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@content;
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}
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} @else {
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@content;
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}
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}
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}
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@function breakpoint-prev($name, $breakpoints: $grid-breakpoints, $breakpoint-names: map.keys($breakpoints)) {
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$n: index($breakpoint-names, $name);
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@if not $n {
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@error "breakpoint `#{$name}` not found in `#{$breakpoints}`";
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}
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@return if($n > 1, list.nth($breakpoint-names, $n - 1), null);
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}
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//
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// Escape SVG strings.
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//
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@function escape-svg($string) {
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@if string.index($string, 'data:image/svg+xml') {
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@each $char, $encoded in $escaped-characters {
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// Do not escape the url brackets
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@if string.index($string, 'url(') == 1 {
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$string: url('#{str-replace(string.slice($string, 6, -3), $char, $encoded)}');
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} @else {
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$string: str-replace($string, $char, $encoded);
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}
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}
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}
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@return $string;
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}
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/**
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* Converts a given value to a percentage string.
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*
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* @param {Number} $value - The value to be converted to a percentage.
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* @return {String} - The percentage representation of the value.
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*/
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@function to-percentage($value) {
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@return if(math.is-unitless($value), math.percentage($value), $value);
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}
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/**
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* Generates a transparent version of the given color.
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*
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* @param {Color} $color - The base color to be made transparent.
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* @param {Number} $alpha - The level of transparency, ranging from 0 (fully transparent) to 1 (fully opaque). Default is 1.
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* @return {Color} - The resulting color with the specified transparency.
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*/
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@function color-transparent($color, $alpha: 1, $background: transparent) {
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@if $alpha == 1 {
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@return $color;
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} @else {
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@return color-mix(in srgb, #{$color} #{to-percentage($alpha)}, $background);
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}
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}
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@function url-svg($svg) {
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$svg: str-replace($svg, '#', '%23');
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$svg: str-replace($svg, '<svg', '<svg xmlns="http://www.w3.org/2000/svg"');
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@return url('data:image/svg+xml;charset=UTF-8,#{$svg}');
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}
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// Bootstrap functions
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//
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// Utility mixins and functions for evaluating source code across our variables, maps, and mixins.
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// Ascending
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// Used to evaluate Sass maps like our grid breakpoints.
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@mixin _assert-ascending($map, $map-name) {
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$prev-key: null;
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$prev-num: null;
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@each $key, $num in $map {
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@if $prev-num == null or math.unit($num) == '%' or math.unit($prev-num) == '%' {
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// Do nothing
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} @else if not math.compatible($prev-num, $num) {
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@warn "Potentially invalid value for #{$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}' !";
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} @else if $prev-num >= $num {
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@warn "Invalid value for #{$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}' !";
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}
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$prev-key: $key;
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$prev-num: $num;
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}
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}
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// Starts at zero
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// Used to ensure the min-width of the lowest breakpoint starts at 0.
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@mixin _assert-starts-at-zero($map, $map-name: '$grid-breakpoints') {
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@if list.length($map) > 0 {
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$values: map.values($map);
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$first-value: list.nth($values, 1);
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@if $first-value != 0 {
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@warn "First breakpoint in #{$map-name} must start at 0, but starts at #{$first-value}.";
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}
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}
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}
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// Colors
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@function to-rgb($value) {
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@return color.channel($value, 'red', $space: rgb), color.channel($value, 'green', $space: rgb), color.channel($value, 'blue', $space: rgb);
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}
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// stylelint-disable scss/dollar-variable-pattern
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@function rgba-css-var($identifier, $target) {
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@if $identifier == 'body' and $target == 'bg' {
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@return rgba(var(--#{$prefix}#{$identifier}-bg-rgb), var(--#{$prefix}#{$target}-opacity));
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}
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@if $identifier == 'body' and $target == 'text' {
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@return rgba(var(--#{$prefix}#{$identifier}-color-rgb), var(--#{$prefix}#{$target}-opacity));
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} @else {
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@return rgba(var(--#{$prefix}#{$identifier}-rgb), var(--#{$prefix}#{$target}-opacity));
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}
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}
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@function map-loop($map, $func, $args...) {
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$_map: ();
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@each $key, $value in $map {
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// allow to pass the $key and $value of the map as an function argument
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$_args: ();
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@each $arg in $args {
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$_args: list.append($_args, if($arg == '$key', $key, if($arg == '$value', $value, $arg)));
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}
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$_map: map.merge(
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$_map,
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(
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$key: meta.call(meta.get-function($func), $_args...),
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)
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);
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}
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@return $_map;
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}
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// stylelint-enable scss/dollar-variable-pattern
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@function varify($list) {
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$result: null;
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@each $entry in $list {
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$result: list.append($result, var(--#{$prefix}#{$entry}), space);
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}
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@return $result;
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}
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// Internal Bootstrap function to turn maps into its negative variant.
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// It prefixes the keys with `n` and makes the value negative.
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@function negativify-map($map) {
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$result: ();
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@each $key, $value in $map {
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@if $key != 0 {
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$result: map.merge($result, ('n' + $key: (-$value)));
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}
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}
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@return $result;
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}
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// Get multiple keys from a sass map
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@function map-get-multiple($map, $values) {
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$result: ();
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@each $key, $value in $map {
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@if (index($values, $key) != null) {
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$result: map.merge(
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$result,
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(
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$key: $value,
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)
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);
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}
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}
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@return $result;
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}
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// Merge multiple maps
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@function map-merge-multiple($maps...) {
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$merged-maps: ();
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@each $map in $maps {
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$merged-maps: map.merge($merged-maps, $map);
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}
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@return $merged-maps;
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}
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// Replace `$search` with `$replace` in `$string`
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// Used on our SVG icon backgrounds for custom forms.
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//
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// @author Kitty Giraudel
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// @param {String} $string - Initial string
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// @param {String} $search - Substring to replace
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// @param {String} $replace ('') - New value
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// @return {String} - Updated string
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@function str-replace($string, $search, $replace: '') {
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$index: string.index($string, $search);
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@if $index {
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@return string.slice($string, 1, $index - 1) + $replace + str-replace(string.slice($string, $index + string.length($search)), $search, $replace);
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}
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@return $string;
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}
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// See https://codepen.io/kevinweber/pen/dXWoRw
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//
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// Requires the use of quotes around data URIs.
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@function escape-svg($string) {
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@if string.index($string, 'data:image/svg+xml') {
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@each $char, $encoded in $escaped-characters {
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// Do not escape the url brackets
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@if string.index($string, 'url(') == 1 {
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$string: url('#{str-replace(string.slice($string, 6, -3), $char, $encoded)}');
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} @else {
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$string: str-replace($string, $char, $encoded);
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}
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}
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}
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@return $string;
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}
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// Color contrast
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// See https://github.com/twbs/bootstrap/pull/30168
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// A list of pre-calculated numbers of pow(divide((divide($value, 255) + .055), 1.055), 2.4). (from 0 to 255)
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// stylelint-disable-next-line scss/dollar-variable-default, scss/dollar-variable-pattern
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$_luminance-list: 0.0008 0.001 0.0011 0.0013 0.0015 0.0017 0.002 0.0022 0.0025 0.0027 0.003 0.0033 0.0037 0.004 0.0044 0.0048 0.0052 0.0056 0.006 0.0065 0.007 0.0075 0.008 0.0086 0.0091 0.0097 0.0103 0.011 0.0116 0.0123 0.013 0.0137 0.0144 0.0152 0.016 0.0168 0.0176 0.0185 0.0194 0.0203 0.0212 0.0222 0.0232 0.0242
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0.0252 0.0262 0.0273 0.0284 0.0296 0.0307 0.0319 0.0331 0.0343 0.0356 0.0369 0.0382 0.0395 0.0409 0.0423 0.0437 0.0452 0.0467 0.0482 0.0497 0.0513 0.0529 0.0545 0.0561 0.0578 0.0595 0.0612 0.063 0.0648 0.0666 0.0685 0.0704 0.0723 0.0742 0.0762 0.0782 0.0802 0.0823 0.0844 0.0865 0.0887 0.0908 0.0931 0.0953 0.0976
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0.0999 0.1022 0.1046 0.107 0.1095 0.1119 0.1144 0.117 0.1195 0.1221 0.1248 0.1274 0.1301 0.1329 0.1356 0.1384 0.1413 0.1441 0.147 0.15 0.1529 0.1559 0.159 0.162 0.1651 0.1683 0.1714 0.1746 0.1779 0.1812 0.1845 0.1878 0.1912 0.1946 0.1981 0.2016 0.2051 0.2086 0.2122 0.2159 0.2195 0.2232 0.227 0.2307 0.2346 0.2384
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0.2423 0.2462 0.2502 0.2542 0.2582 0.2623 0.2664 0.2705 0.2747 0.2789 0.2831 0.2874 0.2918 0.2961 0.3005 0.305 0.3095 0.314 0.3185 0.3231 0.3278 0.3325 0.3372 0.3419 0.3467 0.3515 0.3564 0.3613 0.3663 0.3712 0.3763 0.3813 0.3864 0.3916 0.3968 0.402 0.4072 0.4125 0.4179 0.4233 0.4287 0.4342 0.4397 0.4452 0.4508 0.4564
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0.4621 0.4678 0.4735 0.4793 0.4851 0.491 0.4969 0.5029 0.5089 0.5149 0.521 0.5271 0.5333 0.5395 0.5457 0.552 0.5583 0.5647 0.5711 0.5776 0.5841 0.5906 0.5972 0.6038 0.6105 0.6172 0.624 0.6308 0.6376 0.6445 0.6514 0.6584 0.6654 0.6724 0.6795 0.6867 0.6939 0.7011 0.7084 0.7157 0.7231 0.7305 0.7379 0.7454 0.7529 0.7605
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0.7682 0.7758 0.7835 0.7913 0.7991 0.807 0.8148 0.8228 0.8308 0.8388 0.8469 0.855 0.8632 0.8714 0.8796 0.8879 0.8963 0.9047 0.9131 0.9216 0.9301 0.9387 0.9473 0.956 0.9647 0.9734 0.9823 0.9911 1;
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@function color-contrast($background, $color-contrast-dark: $color-contrast-dark, $color-contrast-light: $color-contrast-light, $min-contrast-ratio: $min-contrast-ratio) {
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$foregrounds: $color-contrast-light, $color-contrast-dark, $white, $black;
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$max-ratio: 0;
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$max-ratio-color: null;
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@each $color in $foregrounds {
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$contrast-ratio: contrast-ratio($background, $color);
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@if $contrast-ratio >= $min-contrast-ratio {
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@return $color;
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} @else if $contrast-ratio > $max-ratio {
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$max-ratio: $contrast-ratio;
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$max-ratio-color: $color;
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}
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}
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@warn "Found no color leading to #{$min-contrast-ratio}:1 contrast ratio against #{$background}...";
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@return $max-ratio-color;
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}
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@function contrast-ratio($background, $foreground: $color-contrast-light) {
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$l1: luminance($background);
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$l2: luminance(opaque($background, $foreground));
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@return if($l1 > $l2, divide($l1 + 0.05, $l2 + 0.05), divide($l2 + 0.05, $l1 + 0.05));
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}
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// Return WCAG2.2 relative luminance
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// See https://www.w3.org/TR/WCAG/#dfn-relative-luminance
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// See https://www.w3.org/TR/WCAG/#dfn-contrast-ratio
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@function luminance($color) {
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$rgb: (
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'r': math.round(color.channel($color, 'red', $space: rgb)),
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'g': math.round(color.channel($color, 'green', $space: rgb)),
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'b': math.round(color.channel($color, 'blue', $space: rgb)),
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);
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@each $name, $value in $rgb {
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$value: if(divide($value, 255) < 0.04045, divide(divide($value, 255), 12.92), list.nth($_luminance-list, $value + 1));
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$rgb: map.merge(
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$rgb,
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(
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$name: $value,
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)
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);
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}
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@return (map.get($rgb, 'r') * 0.2126) + (map.get($rgb, 'g') * 0.7152) + (map.get($rgb, 'b') * 0.0722);
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}
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// Return opaque color
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// opaque(#fff, rgba(0, 0, 0, .5)) => #808080
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@function opaque($background, $foreground) {
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@return color.mix(rgba($foreground, 1), $background, color.opacity($foreground) * 100%);
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}
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// Tint a color: mix a color with white
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@function tint-color($color, $weight) {
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@return color.mix(white, $color, $weight);
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}
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// Shade a color: mix a color with black
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@function shade-color($color, $weight) {
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@return color.mix(black, $color, $weight);
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}
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// Shade the color if the weight is positive, else tint it
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@function shift-color($color, $weight) {
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@return if($weight > 0, shade-color($color, $weight), tint-color($color, -$weight));
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}
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// Return valid calc
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@function add($value1, $value2, $return-calc: true) {
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@if $value1 == null {
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@return $value2;
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}
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@if $value2 == null {
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@return $value1;
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}
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@if meta.type-of($value1) == number and meta.type-of($value2) == number and math.compatible($value1, $value2) {
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@return $value1 + $value2;
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}
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@return if($return-calc == true, calc(#{$value1} + #{$value2}), $value1 + string.unquote(' + ') + $value2);
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}
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@function subtract($value1, $value2, $return-calc: true) {
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@if $value1 == null and $value2 == null {
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@return null;
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}
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@if $value1 == null {
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@return -$value2;
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}
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@if $value2 == null {
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@return $value1;
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}
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@if meta.type-of($value1) == number and meta.type-of($value2) == number and math.compatible($value1, $value2) {
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@return $value1 - $value2;
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}
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@if meta.type-of($value2) != number {
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$value2: string.unquote('(') + $value2 + string.unquote(')');
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}
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@return if($return-calc == true, calc(#{$value1} - #{$value2}), $value1 + string.unquote(' - ') + $value2);
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}
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@function divide($dividend, $divisor, $precision: 10) {
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$sign: if($dividend > 0 and $divisor > 0 or $dividend < 0 and $divisor < 0, 1, -1);
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$dividend: math.abs($dividend);
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$divisor: math.abs($divisor);
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@if $dividend == 0 {
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@return 0;
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}
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@if $divisor == 0 {
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@error "Cannot divide by 0";
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}
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$remainder: $dividend;
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$result: 0;
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$factor: 10;
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@while ($remainder > 0 and $precision >= 0) {
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$quotient: 0;
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@while ($remainder >= $divisor) {
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$remainder: $remainder - $divisor;
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$quotient: $quotient + 1;
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}
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$result: $result * 10 + $quotient;
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$factor: $factor * 0.1;
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$remainder: $remainder * 10;
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$precision: $precision - 1;
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@if ($precision < 0 and $remainder >= $divisor * 5) {
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$result: $result + 1;
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}
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}
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$result: $result * $factor * $sign;
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$dividend-unit: math.unit($dividend);
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$divisor-unit: math.unit($divisor);
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$unit-map: (
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'px': 1px,
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'rem': 1rem,
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'em': 1em,
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'%': 1%,
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);
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@if ($dividend-unit != $divisor-unit and map.has-key($unit-map, $dividend-unit)) {
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$result: $result * map.get($unit-map, $dividend-unit);
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}
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@return $result;
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}
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