diff options
Diffstat (limited to 'scss/vendor')
| -rw-r--r-- | scss/vendor/_rfs.scss | 354 |
1 files changed, 354 insertions, 0 deletions
diff --git a/scss/vendor/_rfs.scss b/scss/vendor/_rfs.scss new file mode 100644 index 0000000..7e9a6c7 --- /dev/null +++ b/scss/vendor/_rfs.scss @@ -0,0 +1,354 @@ +// 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); +} |