Retain spacing around color-mod function

Author: software-opal

lib/transform.js

@@ -22,6 +22,7 @@ export default function transformAST(node, opts) {
 				// update the color-mod() function with the transformed value
 				child.replaceWith(
 					parser.word({
+						raws: child.raws,
 						value: opts.stringifier(color)
 					})
 				);

test/basic.colors.expect.css

@@ -127,3 +127,7 @@ test-sameness {
 test-var {
 	color: rgb(0% 0% 100%);
 }
+
+test-multiple-value-items {
+	border: 1px solid rgb(100% 0% 0%);
+}

test/basic.css

@@ -127,3 +127,7 @@ test-sameness {
 test-var {
 	color: color-mod(var(--color));
 }
+
+test-multiple-value-items {
+	border: 1px solid color-mod(red);
+}

test/basic.expect.css

@@ -127,3 +127,7 @@ test-sameness {
 test-var {
 	color: rgb(0, 0, 255);
 }
+
+test-multiple-value-items {
+	border: 1px solid rgb(255, 0, 0);
+}