From 0adc2b7014d9909869bc9888ac90a3ec142d9488 Mon Sep 17 00:00:00 2001
From: Volpeon <git@volpeon.ink>
Date: Tue, 8 Oct 2024 12:36:57 +0200
Subject: Replace Oddbird with native SASS color functions

---
 src/_functions.scss | 45 ++++++++++-----------------------------------
 1 file changed, 10 insertions(+), 35 deletions(-)

(limited to 'src/_functions.scss')

diff --git a/src/_functions.scss b/src/_functions.scss
index d615614..cbdb951 100644
--- a/src/_functions.scss
+++ b/src/_functions.scss
@@ -4,9 +4,6 @@
 @use 'sass:list';
 @use 'sass:meta';
 
-@use '@oddbird/blend';
-@use '@oddbird/blend/sass/convert' as blend-convert;
-
 @use 'iro-sass/src/index' as iro;
 @use 'iro-sass/src/easing' as easing;
 @use 'functions/colors' as iro-colors;
@@ -67,11 +64,12 @@
     @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, $reference-color: $base-color) {
-    $base-lch: iro-colors.parse-oklch($base-color);
-    $ref-lch:  iro-colors.parse-oklch($reference-color);
-    $ref-l:    list.nth($ref-lch, 1);
-    $ref-y:    iro-colors.apca_sRGB_to_Y($reference-color);
+@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)...)));
@@ -84,52 +82,29 @@
     $palette: ();
 
     @each $key, $contrast in $contrasts {
-        //$i: math.div(list.length($palette), 2 * (list.length($contrasts) - 1));
         $y: iro-colors.apcaReverse($contrast, $ref-y);
-        $l: list.nth($base-lch, 1);
+        $l: color.channel($base-lch, 'lightness');
         $c: 1;
 
         @if $y != false {
-            $y-lch: blend-convert.Lab_to_LCH(
-                iro-colors.lin_sRGB_to_Oklab(
-                    blend-convert.lin_sRGB(
-                        blend-convert.sassToRgb(
-                            iro-colors.apca_Y_to_sRGB($y)
-                        )
-                    )
-                )
-            );
-            $l: list.nth($y-lch, 1);
+            $l: color.channel(iro-colors.apca_Y_to_sRGB($y), 'lightness', oklch);
         } @else {
             $y: $ref-y;
         }
 
         @if $chroma-range != 1 {
-            $c: if(
-                $ref-l > .5,
-                math.clamp(0, math.div($contrast, $cmax), 1),
-                -1 * math.clamp(-1, math.div($contrast, $cmax), 0)
-            );
+            $c: if($ref-l > .5, math.clamp(0, math.div($contrast, $cmax), 1), -1 * math.clamp(-1, math.div($contrast, $cmax), 0));
             $c: meta.call($chroma-easing, $c);
             $c: $chroma-range + (1 - $chroma-range) * $c;
         }
 
-        $color: oklch(($l * 100%) ($c * list.nth($base-lch, 2)) list.nth($base-lch, 3));
-        //$color: $l, $c * list.nth($base-lch, 2), list.nth($base-lch, 3);
-        //$color: blend-convert.rgbToSass(
-        //    blend-convert.gam_sRGB(
-        //        iro-colors.Oklab_to_lin_sRGB(
-        //            blend-convert.LCH_to_Lab($color)
-        //        )
-        //    )
-        //);
+        $color: oklch($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($contrast-white), #000, #fff));
-        //$palette: map.set($palette, #{$key}-text, blend.contrast($color));
     }
 
     @return $palette;
-- 
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