From 50f6acc739f24bfa2ca080d08e90d82f8fa83543 Mon Sep 17 00:00:00 2001
From: Volpeon <git@volpeon.ink>
Date: Thu, 17 Oct 2024 16:45:00 +0200
Subject: Revamped variable management

---
 src_old/_functions.scss | 135 ++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 135 insertions(+)
 create mode 100644 src_old/_functions.scss

(limited to 'src_old/_functions.scss')

diff --git a/src_old/_functions.scss b/src_old/_functions.scss
new file mode 100644
index 0000000..523aa84
--- /dev/null
+++ b/src_old/_functions.scss
@@ -0,0 +1,135 @@
+@use 'sass:color';
+@use 'sass:math';
+@use 'sass:map';
+@use 'sass:list';
+@use 'sass:meta';
+
+@use 'iro-sass/src/index' as iro;
+@use 'iro-sass/src/easing' as easing;
+@use 'functions/colors' as iro-colors;
+@use 'config';
+
+@function color($key, $tree: iro.$props-default-tree, $default: null, $global: false) {
+    @return iro.props-get(list.join(--colors, $key), $tree, $default, $global);
+}
+
+@function global-color($key, $tree: iro.$props-default-tree, $default: null, $global: true) {
+    @return color($key, $tree, $default, $global);
+}
+
+@function foreign-color($foreign-key, $key, $tree: iro.$props-default-tree, $default: null, $global: true) {
+    @return iro.props-get(list.join($foreign-key --colors, $key), $tree, $default, $global);
+}
+
+@function dim($key, $tree: iro.$props-default-tree, $default: null, $global: false) {
+    @return iro.props-get(list.join(--dims, $key), $tree, $default, $global);
+}
+
+@function global-dim($key, $tree: iro.$props-default-tree, $default: null, $global: true) {
+    @return dim($key, $tree, $default, $global);
+}
+
+@function foreign-dim($foreign-key, $key, $tree: iro.$props-default-tree, $default: null, $global: true) {
+    @return iro.props-get(list.join($foreign-key --dims, $key), $tree, $default, $global);
+}
+
+@function font-prop($data, $overrides, $key, $prop) {
+    @if (map.has-key($overrides, $prop)) {
+        @return map.get($overrides, $prop);
+    } @else if (map.has-key($data, $prop)) {
+        @return global-dim(--font $key $prop);
+    }
+    @return null;
+}
+
+@function set-font($key, $overrides: ()) {
+    $font: iro.props-get-static(list.join(--dims --font, $key), $global: true);
+
+    $map: (
+        font-family:             font-prop($font, $overrides, $key, --family),
+        font-size:               font-prop($font, $overrides, $key, --size),
+        font-weight:             font-prop($font, $overrides, $key, --weight),
+        font-style:              font-prop($font, $overrides, $key, --style),
+        line-height:             font-prop($font, $overrides, $key, --line-height),
+        text-transform:          font-prop($font, $overrides, $key, --transform),
+        letter-spacing:          font-prop($font, $overrides, $key, --spacing),
+        font-variant-alternates: font-prop($font, $overrides, $key, --variant-alternates),
+        font-feature-settings:   font-prop($font, $overrides, $key, --feature-settings),
+    );
+
+    @return $map;
+}
+
+@function lum($color) {
+    @return list.nth(blend-convert.lin_sRGB_to_XYZ(blend-convert.lin_sRGB(blend-convert.sassToRgb($color))), 2) + .05;
+}
+
+@function palette($base-color, $contrasts, $chroma-range: 1, $ref-color: $base-color) {
+    $base-lch: color.to-space($base-color, oklch);
+    $ref-lch: color.to-space($ref-color, oklch);
+
+    $ref-l: color.channel($ref-lch, 'lightness');
+    $ref-y: iro-colors.apca_sRGB_to_Y($ref-lch);
+
+    $cmax: math.max(map.values($contrasts)...);
+    $cmax: math.max($cmax, math.abs(math.min(map.values($contrasts)...)));
+
+    $black-y: iro-colors.apca_sRGB_to_Y(#000);
+    $white-y: iro-colors.apca_sRGB_to_Y(#fff);
+
+    $chroma-inv: false;
+    @if $chroma-range < 0 {
+        $chroma-inv: true;
+        $chroma-range: -1 * $chroma-range;
+    }
+    $chroma-easing: meta.get-function(config.$palette-chroma-easing, $module: easing);
+
+    $palette: ();
+
+    @each $key, $contrast in $contrasts {
+        $y: iro-colors.apcaReverse($contrast, $ref-y);
+        $l: color.channel($base-lch, 'lightness');
+        $c: 1;
+
+        @if $y != false {
+            $l: color.channel(iro-colors.apca_Y_to_sRGB($y), 'lightness', oklch);
+        } @else {
+            $y: $ref-y;
+        }
+
+        @if $chroma-range != 1 {
+            $c: if($ref-l > 50%, math.clamp(0, math.div($contrast, $cmax), 1), -1 * math.clamp(-1, math.div($contrast, $cmax), 0));
+            @if $chroma-inv {
+                $c: 1 - $c;
+            }
+            $c: meta.call($chroma-easing, $c);
+            $c: $chroma-range + (1 - $chroma-range) * $c;
+        }
+
+        $color: oklch($l ($c * color.channel($base-lch, 'chroma')) color.channel($base-lch, 'hue'));
+
+        $contrast-black: iro-colors.apcaContrast($black-y, $y);
+        $contrast-white: iro-colors.apcaContrast($white-y, $y);
+
+        $palette: map.set($palette, $key, $color);
+        $palette: map.set($palette, #{$key}-text, if(math.abs($contrast-black) > math.abs($contrast-white), #000, #fff));
+    }
+
+    @return $palette;
+}
+
+@function transparent-palette($color, $text, $alphas) {
+    $palette: (
+        --text: $text,
+    );
+
+    @each $key, $alpha in $alphas {
+        $palette: map.set($palette, $key, rgba($color, $alpha));
+    }
+
+    @return $palette;
+}
+
+@function px-to-em($size, $base: iro.$vars-root-size) {
+    @return math.div($size, $base) * 1em;
+}
-- 
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