69 lines
2 KiB
SCSS
69 lines
2 KiB
SCSS
/*
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* https://www.smashingmagazine.com/2022/12/fabunit-smart-way-control-synchronize-typo-space/
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*
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* Specify a minimum size and an optimum size (to be shown at the "target range")
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*/
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@use "sass:math";
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/* Helper functions */
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$rem-base: 16px;
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@function strip-units($number) {
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@if (math.is-unitless($number)) {
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@return $number;
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} @else {
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@return math.div($number, $number * 0 + 1);
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}
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}
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@function rem($size){
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@if (math.compatible($size, 1rem) and not math.is-unitless($size)) {
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@return $size;
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} @else {
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@return math.div(strip-units($size), strip-units($rem-base)) * 1rem;
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}
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}
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/* Default values fab-unit 🪄 */
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$screen-min: 320;
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$screen-opt-start: 960;
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$screen-opt-end: 1440;
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$screen-max: 2000; // $screen-opt-end | int > $screen-opt-end | false
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$aspect-ratio: math.div(16, 9); // smaller values for larger aspect ratios
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/* Magic function fab-unit 🪄 */
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@function fab-unit(
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$size-min,
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$size-opt,
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$screen-min: $screen-min,
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$screen-opt-start: $screen-opt-start,
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$screen-opt-end: $screen-opt-end,
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$screen-max: $screen-max,
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$aspect-ratio: $aspect-ratio
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) {
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$screen-factor: min(100vw, 100vh * $aspect-ratio);
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$steep-slope: math.div(($size-opt - $size-min), ($screen-opt-start - $screen-min)) * 100 > 1;
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$slope1: calc(rem($size-min) + ($size-opt - $size-min) * ($screen-factor - rem($screen-min)) / ($screen-opt-start - $screen-min));
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$slope2: calc($screen-factor / $screen-opt-end * $size-opt);
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@if $screen-max {
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$size-max: math.div(rem($screen-max), $screen-opt-end) * $size-opt;
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@if $steep-slope {
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@return clamp(rem($size-min), $slope1, clamp(rem($size-opt), $slope2, $size-max));
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} @else {
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@return clamp(clamp(rem($size-min), $slope1, rem($size-opt)), $slope2, $size-max);
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}
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} @else {
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@if $steep-slope {
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@return clamp(rem($size-min), $slope1, max(rem($size-opt), $slope2));
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} @else {
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@return max(clamp(rem($size-min), $slope1, rem($size-opt)), $slope2);
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}
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}
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} |