From c9390f5ac83dac731b0600ecdcf69e4931cc5b7c Mon Sep 17 00:00:00 2001
From: Pierre Burel <pburel@turbulent.ca>
Date: Mon, 21 Aug 2023 14:20:19 -0400
Subject: [PATCH] feat: add unitless support

---
 _rem.scss     | 4 ++--
 index.test.js | 9 +++++++--
 2 files changed, 9 insertions(+), 4 deletions(-)

diff --git a/_rem.scss b/_rem.scss
index fb93985..eee7e9a 100644
--- a/_rem.scss
+++ b/_rem.scss
@@ -23,8 +23,8 @@ $px-only: false !default;
   @each $value in $values {
     @if meta.type-of($value) == "number" and math.unit($value) == "rem" and $to == "px" {
       $result: list.append($result, _divide($value, 1rem) * $baseline, $separator);
-    } @else if meta.type-of($value) == "number" and math.unit($value) == "px" and $to == "rem" {
-      $result: list.append($result, _divide($value, $baseline) * 1rem, $separator);
+    } @else if meta.type-of($value) == "number" and (math.unit($value) == "px" or math.unit($value) == '') and $value != 0 and $to == "rem" {
+      $result: list.append($result, _divide(if(math.unit($value) == 'px', $value, $value * 1px), $baseline) * 1rem, $separator);
     } @else if meta.type-of($value) == "list" {
       $result: list.append($result, _convert($to, $value...), $separator);
     } @else {
diff --git a/index.test.js b/index.test.js
index fd89b1b..98d4b1a 100644
--- a/index.test.js
+++ b/index.test.js
@@ -15,14 +15,19 @@ async function run(input, output, config = `@use "." as rem;`) {
   expect(a).toEqual(b);
 };
 
+it('Unitless', () => run(
+  '.simple { font-size: rem.convert(24); }',
+  '.simple { font-size: 1.5rem; }'
+));
+
 it('Simple', () => run(
   '.simple { font-size: rem.convert(24px); }',
   '.simple { font-size: 1.5rem; }'
 ));
 
 it('Multiple values', () => run(
-  '.multiple { padding: rem.convert(5px 10px); }',
-  '.multiple { padding: 0.3125rem 0.625rem; }'
+  '.multiple { padding: rem.convert(5px 10px 0 24); }',
+  '.multiple { padding: 0.3125rem 0.625rem 0 1.5rem; }'
 ));
 
 it('Multiple mixed values', () => run(