consider var(--foo) a color (#766)

mbostock · web-flow · commit 4663ef3d09ba · 2022-02-17T10:53:33.000-08:00
diff --git a/src/options.js b/src/options.js
@@ -273,6 +273,7 @@ export function isColor(value) {
   return value === "none"
     || value === "currentcolor"
     || (value.startsWith("url(") && value.endsWith(")")) // <funciri>, e.g. pattern or gradient
+    || (value.startsWith("var(") && value.endsWith(")")) // CSS variable
     || color(value) !== null;
 }
 

Original file line number	Diff line number	Diff line change
`@@ -273,6 +273,7 @@ export function isColor(value) {`
`273`	`273`	`return value === "none"`
`274`	`274`	`\|\| value === "currentcolor"`
`275`	`275`	`\|\| (value.startsWith("url(") && value.endsWith(")")) // <funciri>, e.g. pattern or gradient`
	`276`	`+ \|\| (value.startsWith("var(") && value.endsWith(")")) // CSS variable`
`276`	`277`	`\|\| color(value) !== null;`
`277`	`278`	`}`
`278`	`279`