fix: color fn names should be case-insensitive. fixes shellscape#68

Author: shellscape

lib/nodes/Func.js

@@ -96,7 +96,7 @@ class Func extends Container {
     parser.back(rightTokens);
 
     const { lastNode } = parser;
-    lastNode.isColor = colorFunctions.includes(lastNode.name);
+    lastNode.isColor = colorFunctions.includes(lastNode.name.toLowerCase());
   }
 }
 

test/fixtures/func.js

@@ -23,6 +23,8 @@ module.exports = {
     'url(http://123.example.com)',
     'url(//123.example.com)',
     'rgba( 29, 439 , 29 )',
+    'RGBA( 29, 439 , 29 )',
+    'RgBa( 29, 439 , 29 )',
     'calc(-0.5 * var(foo))',
     'calc(1px + -2vw - 4px)',
     'calc(((768px - 100vw) / 2) - 15px)',