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-rw-r--r--scss/vendor/_rfs.scss354
1 files changed, 354 insertions, 0 deletions
diff --git a/scss/vendor/_rfs.scss b/scss/vendor/_rfs.scss
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+// stylelint-disable property-blacklist, scss/dollar-variable-default
+
+// SCSS RFS mixin
+//
+// Automated responsive values for font sizes, paddings, margins and much more
+//
+// Licensed under MIT (https://github.com/twbs/rfs/blob/main/LICENSE)
+
+// Configuration
+
+// Base value
+$rfs-base-value: 1.25rem !default;
+$rfs-unit: rem !default;
+
+@if $rfs-unit != rem and $rfs-unit != px {
+ @error "`#{$rfs-unit}` is not a valid unit for $rfs-unit. Use `px` or `rem`.";
+}
+
+// Breakpoint at where values start decreasing if screen width is smaller
+$rfs-breakpoint: 1200px !default;
+$rfs-breakpoint-unit: px !default;
+
+@if $rfs-breakpoint-unit != px and $rfs-breakpoint-unit != em and $rfs-breakpoint-unit != rem {
+ @error "`#{$rfs-breakpoint-unit}` is not a valid unit for $rfs-breakpoint-unit. Use `px`, `em` or `rem`.";
+}
+
+// Resize values based on screen height and width
+$rfs-two-dimensional: false !default;
+
+// Factor of decrease
+$rfs-factor: 10 !default;
+
+@if type-of($rfs-factor) != number or $rfs-factor <= 1 {
+ @error "`#{$rfs-factor}` is not a valid $rfs-factor, it must be greater than 1.";
+}
+
+// Mode. Possibilities: "min-media-query", "max-media-query"
+$rfs-mode: min-media-query !default;
+
+// Generate enable or disable classes. Possibilities: false, "enable" or "disable"
+$rfs-class: false !default;
+
+// 1 rem = $rfs-rem-value px
+$rfs-rem-value: 16 !default;
+
+// Safari iframe resize bug: https://github.com/twbs/rfs/issues/14
+$rfs-safari-iframe-resize-bug-fix: false !default;
+
+// Disable RFS by setting $enable-rfs to false
+$enable-rfs: true !default;
+
+// Cache $rfs-base-value unit
+$rfs-base-value-unit: unit($rfs-base-value);
+
+@function divide($dividend, $divisor, $precision: 10) {
+ $sign: if($dividend > 0 and $divisor > 0 or $dividend < 0 and $divisor < 0, 1, -1);
+ $dividend: abs($dividend);
+ $divisor: abs($divisor);
+ @if $dividend == 0 {
+ @return 0;
+ }
+ @if $divisor == 0 {
+ @error "Cannot divide by 0";
+ }
+ $remainder: $dividend;
+ $result: 0;
+ $factor: 10;
+ @while ($remainder > 0 and $precision >= 0) {
+ $quotient: 0;
+ @while ($remainder >= $divisor) {
+ $remainder: $remainder - $divisor;
+ $quotient: $quotient + 1;
+ }
+ $result: $result * 10 + $quotient;
+ $factor: $factor * .1;
+ $remainder: $remainder * 10;
+ $precision: $precision - 1;
+ @if ($precision < 0 and $remainder >= $divisor * 5) {
+ $result: $result + 1;
+ }
+ }
+ $result: $result * $factor * $sign;
+ $dividend-unit: unit($dividend);
+ $divisor-unit: unit($divisor);
+ $unit-map: (
+ "px": 1px,
+ "rem": 1rem,
+ "em": 1em,
+ "%": 1%
+ );
+ @if ($dividend-unit != $divisor-unit and map-has-key($unit-map, $dividend-unit)) {
+ $result: $result * map-get($unit-map, $dividend-unit);
+ }
+ @return $result;
+}
+
+// Remove px-unit from $rfs-base-value for calculations
+@if $rfs-base-value-unit == px {
+ $rfs-base-value: divide($rfs-base-value, $rfs-base-value * 0 + 1);
+}
+@else if $rfs-base-value-unit == rem {
+ $rfs-base-value: divide($rfs-base-value, divide($rfs-base-value * 0 + 1, $rfs-rem-value));
+}
+
+// Cache $rfs-breakpoint unit to prevent multiple calls
+$rfs-breakpoint-unit-cache: unit($rfs-breakpoint);
+
+// Remove unit from $rfs-breakpoint for calculations
+@if $rfs-breakpoint-unit-cache == px {
+ $rfs-breakpoint: divide($rfs-breakpoint, $rfs-breakpoint * 0 + 1);
+}
+@else if $rfs-breakpoint-unit-cache == rem or $rfs-breakpoint-unit-cache == "em" {
+ $rfs-breakpoint: divide($rfs-breakpoint, divide($rfs-breakpoint * 0 + 1, $rfs-rem-value));
+}
+
+// Calculate the media query value
+$rfs-mq-value: if($rfs-breakpoint-unit == px, #{$rfs-breakpoint}px, #{divide($rfs-breakpoint, $rfs-rem-value)}#{$rfs-breakpoint-unit});
+$rfs-mq-property-width: if($rfs-mode == max-media-query, max-width, min-width);
+$rfs-mq-property-height: if($rfs-mode == max-media-query, max-height, min-height);
+
+// Internal mixin used to determine which media query needs to be used
+@mixin _rfs-media-query {
+ @if $rfs-two-dimensional {
+ @if $rfs-mode == max-media-query {
+ @media (#{$rfs-mq-property-width}: #{$rfs-mq-value}), (#{$rfs-mq-property-height}: #{$rfs-mq-value}) {
+ @content;
+ }
+ }
+ @else {
+ @media (#{$rfs-mq-property-width}: #{$rfs-mq-value}) and (#{$rfs-mq-property-height}: #{$rfs-mq-value}) {
+ @content;
+ }
+ }
+ }
+ @else {
+ @media (#{$rfs-mq-property-width}: #{$rfs-mq-value}) {
+ @content;
+ }
+ }
+}
+
+// Internal mixin that adds disable classes to the selector if needed.
+@mixin _rfs-rule {
+ @if $rfs-class == disable and $rfs-mode == max-media-query {
+ // Adding an extra class increases specificity, which prevents the media query to override the property
+ &,
+ .disable-rfs &,
+ &.disable-rfs {
+ @content;
+ }
+ }
+ @else if $rfs-class == enable and $rfs-mode == min-media-query {
+ .enable-rfs &,
+ &.enable-rfs {
+ @content;
+ }
+ }
+ @else {
+ @content;
+ }
+}
+
+// Internal mixin that adds enable classes to the selector if needed.
+@mixin _rfs-media-query-rule {
+
+ @if $rfs-class == enable {
+ @if $rfs-mode == min-media-query {
+ @content;
+ }
+
+ @include _rfs-media-query {
+ .enable-rfs &,
+ &.enable-rfs {
+ @content;
+ }
+ }
+ }
+ @else {
+ @if $rfs-class == disable and $rfs-mode == min-media-query {
+ .disable-rfs &,
+ &.disable-rfs {
+ @content;
+ }
+ }
+ @include _rfs-media-query {
+ @content;
+ }
+ }
+}
+
+// Helper function to get the formatted non-responsive value
+@function rfs-value($values) {
+ // Convert to list
+ $values: if(type-of($values) != list, ($values,), $values);
+
+ $val: '';
+
+ // Loop over each value and calculate value
+ @each $value in $values {
+ @if $value == 0 {
+ $val: $val + ' 0';
+ }
+ @else {
+ // Cache $value unit
+ $unit: if(type-of($value) == "number", unit($value), false);
+
+ @if $unit == px {
+ // Convert to rem if needed
+ $val: $val + ' ' + if($rfs-unit == rem, #{divide($value, $value * 0 + $rfs-rem-value)}rem, $value);
+ }
+ @else if $unit == rem {
+ // Convert to px if needed
+ $val: $val + ' ' + if($rfs-unit == px, #{divide($value, $value * 0 + 1) * $rfs-rem-value}px, $value);
+ }
+ @else {
+ // If $value isn't a number (like inherit) or $value has a unit (not px or rem, like 1.5em) or $ is 0, just print the value
+ $val: $val + ' ' + $value;
+ }
+ }
+ }
+
+ // Remove first space
+ @return unquote(str-slice($val, 2));
+}
+
+// Helper function to get the responsive value calculated by RFS
+@function rfs-fluid-value($values) {
+ // Convert to list
+ $values: if(type-of($values) != list, ($values,), $values);
+
+ $val: '';
+
+ // Loop over each value and calculate value
+ @each $value in $values {
+ @if $value == 0 {
+ $val: $val + ' 0';
+ }
+
+ @else {
+ // Cache $value unit
+ $unit: if(type-of($value) == "number", unit($value), false);
+
+ // If $value isn't a number (like inherit) or $value has a unit (not px or rem, like 1.5em) or $ is 0, just print the value
+ @if not $unit or $unit != px and $unit != rem {
+ $val: $val + ' ' + $value;
+ }
+
+ @else {
+ // Remove unit from $value for calculations
+ $value: divide($value, $value * 0 + if($unit == px, 1, divide(1, $rfs-rem-value)));
+
+ // Only add the media query if the value is greater than the minimum value
+ @if abs($value) <= $rfs-base-value or not $enable-rfs {
+ $val: $val + ' ' + if($rfs-unit == rem, #{divide($value, $rfs-rem-value)}rem, #{$value}px);
+ }
+ @else {
+ // Calculate the minimum value
+ $value-min: $rfs-base-value + divide(abs($value) - $rfs-base-value, $rfs-factor);
+
+ // Calculate difference between $value and the minimum value
+ $value-diff: abs($value) - $value-min;
+
+ // Base value formatting
+ $min-width: if($rfs-unit == rem, #{divide($value-min, $rfs-rem-value)}rem, #{$value-min}px);
+
+ // Use negative value if needed
+ $min-width: if($value < 0, -$min-width, $min-width);
+
+ // Use `vmin` if two-dimensional is enabled
+ $variable-unit: if($rfs-two-dimensional, vmin, vw);
+
+ // Calculate the variable width between 0 and $rfs-breakpoint
+ $variable-width: #{divide($value-diff * 100, $rfs-breakpoint)}#{$variable-unit};
+
+ // Return the calculated value
+ $val: $val + ' calc(' + $min-width + if($value < 0, ' - ', ' + ') + $variable-width + ')';
+ }
+ }
+ }
+ }
+
+ // Remove first space
+ @return unquote(str-slice($val, 2));
+}
+
+// RFS mixin
+@mixin rfs($values, $property: font-size) {
+ @if $values != null {
+ $val: rfs-value($values);
+ $fluidVal: rfs-fluid-value($values);
+
+ // Do not print the media query if responsive & non-responsive values are the same
+ @if $val == $fluidVal {
+ #{$property}: $val;
+ }
+ @else {
+ @include _rfs-rule {
+ #{$property}: if($rfs-mode == max-media-query, $val, $fluidVal);
+
+ // Include safari iframe resize fix if needed
+ min-width: if($rfs-safari-iframe-resize-bug-fix, (0 * 1vw), null);
+ }
+
+ @include _rfs-media-query-rule {
+ #{$property}: if($rfs-mode == max-media-query, $fluidVal, $val);
+ }
+ }
+ }
+}
+
+// Shorthand helper mixins
+@mixin font-size($value) {
+ @include rfs($value);
+}
+
+@mixin padding($value) {
+ @include rfs($value, padding);
+}
+
+@mixin padding-top($value) {
+ @include rfs($value, padding-top);
+}
+
+@mixin padding-right($value) {
+ @include rfs($value, padding-right);
+}
+
+@mixin padding-bottom($value) {
+ @include rfs($value, padding-bottom);
+}
+
+@mixin padding-left($value) {
+ @include rfs($value, padding-left);
+}
+
+@mixin margin($value) {
+ @include rfs($value, margin);
+}
+
+@mixin margin-top($value) {
+ @include rfs($value, margin-top);
+}
+
+@mixin margin-right($value) {
+ @include rfs($value, margin-right);
+}
+
+@mixin margin-bottom($value) {
+ @include rfs($value, margin-bottom);
+}
+
+@mixin margin-left($value) {
+ @include rfs($value, margin-left);
+}