From 1b739f15d10d68c5a7f85c2c403f2897f6ddfe50 Mon Sep 17 00:00:00 2001
From: Volpeon <git@volpeon.ink>
Date: Mon, 7 Feb 2022 12:41:59 +0100
Subject: Further improved font handling

---
 src/_functions.scss | 127 ++++++++++------------------------------------------
 1 file changed, 23 insertions(+), 104 deletions(-)

(limited to 'src/_functions.scss')

diff --git a/src/_functions.scss b/src/_functions.scss
index 9f6a789..f15ed0c 100644
--- a/src/_functions.scss
+++ b/src/_functions.scss
@@ -1,8 +1,7 @@
 @use 'iro-sass/src/index' as iro;
 
 @function color($key, $tree: 'colors', $default: null, $global: false) {
-    $key: iro.fn-list-prepend($key, --colors);
-    @return iro.props-get($key, $tree, $default, $global);
+    @return iro.props-get(join(--colors, $key), $tree, $default, $global);
 }
 
 @function global-color($key, $tree: 'colors', $default: null, $global: true) {
@@ -14,8 +13,7 @@
 }
 
 @function dim($key, $tree: 'dims', $default: null, $global: false) {
-    $key: iro.fn-list-prepend($key, --dims);
-    @return iro.props-get($key, $tree, $default, $global);
+    @return iro.props-get(join(--dims, $key), $tree, $default, $global);
 }
 
 @function global-dim($key, $tree: 'dims', $default: null, $global: true) {
@@ -26,108 +24,27 @@
     @return iro.props-get(join($foreign-key --dims, $key), $tree, $default, $global);
 }
 
-@function set-font($key, $overrides: ()) {
-    $font: iro.props-get-static(join(--dims --font, $key), 'dims', $global: true);
-
-    $map: ();
-
-    @if (map-has-key($overrides, --family)) {
-        $map: map-merge(
-            $map, (
-                font-family: map-get($overrides, --family)
-            )
-        );
-    } @else if (map-has-key($font, --family)) {
-        $map: map-merge(
-            $map, (
-                font-family: global-dim(--font $key --family)
-            )
-        );
-    }
-
-    @if (map-has-key($overrides, --size)) {
-        $map: map-merge(
-            $map, (
-                font-size: map-get($overrides, --size)
-            )
-        );
-    } @else if (map-has-key($font, --size)) {
-        $map: map-merge(
-            $map, (
-                font-size: global-dim(--font $key --size)
-            )
-        );
-    }
-
-    @if (map-has-key($overrides, --weight)) {
-        $map: map-merge(
-            $map, (
-                font-weight: map-get($overrides, --weight)
-            )
-        );
-    } @else if (map-has-key($font, --weight)) {
-        $map: map-merge(
-            $map, (
-                font-weight: global-dim(--font $key --weight)
-            )
-        );
-    }
-
-    @if (map-has-key($overrides, --style)) {
-        $map: map-merge(
-            $map, (
-                font-style: map-get($overrides, --style)
-            )
-        );
-    } @else if (map-has-key($font, --style)) {
-        $map: map-merge(
-            $map, (
-                font-style: global-dim(--font $key --style)
-            )
-        );
-    }
-
-    @if (map-has-key($overrides, --line-height)) {
-        $map: map-merge(
-            $map, (
-                line-height: map-get($overrides, --line-height)
-            )
-        );
-    } @else if (map-has-key($font, --line-height)) {
-        $map: map-merge(
-            $map, (
-                line-height: global-dim(--font $key --line-height)
-            )
-        );
+@function font-prop($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;
+}
 
-    @if (map-has-key($overrides, --transform)) {
-        $map: map-merge(
-            $map, (
-                text-transform: map-get($overrides, --transform)
-            )
-        );
-    } @else if (map-has-key($font, --transform)) {
-        $map: map-merge(
-            $map, (
-                text-transform: global-dim(--font $key --transform)
-            )
-        );
-    }
+@function set-font($key, $overrides: ()) {
+    $font: iro.props-get-static(join(--dims --font, $key), 'dims', $global: true);
 
-    @if (map-has-key($overrides, --variant-alternates)) {
-        $map: map-merge(
-            $map, (
-                font-variant-alternates: map-get($overrides, --variant-alternates)
-            )
-        );
-    } @else if (map-has-key($font, --variant-alternates)) {
-        $map: map-merge(
-            $map, (
-                font-variant-alternates: global-dim(--font $key --variant-alternates)
-            )
-        );
-    }
+    $map: (
+        font-family:             font-prop($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, $key, --transform),
+        font-variant-alternates: font-prop($font, $overrides, $key, --variant-alternates),
+    );
 
     @return $map;
 }
@@ -136,6 +53,8 @@
     $values: set-font($basis, $values);
 
     @each $prop, $value in $values {
-        #{$prop}: $value;
+        @if $value != null {
+            #{$prop}: $value;
+        }
     }
 }
-- 
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