Fix uppercase hex codes not working and add support for hex codes with alpha

tneotia · tneotia · commit c3a2d320c906 · 2021-05-31T12:26:35.000-04:00
diff --git a/lib/src/css_parser.dart b/lib/src/css_parser.dart
@@ -844,14 +844,15 @@ class ExpressionMapping {
     var text = _text.replaceFirst('#', '');
     if (text.length == 3)
       text = text.replaceAllMapped(
-          RegExp(r"[a-f]|\d"), (match) => '${match.group(0)}${match.group(0)}');
-    int color = int.parse(text, radix: 16);
-
-    if (color <= 0xffffff) {
-      return new Color(color).withAlpha(255);
+          RegExp(r"[a-f]|\d", caseSensitive: false),
+          (match) => '${match.group(0)}${match.group(0)}'
+      );
+    if (text.length > 6) {
+      text = "0x" + text;
     } else {
-      return new Color(color);
+      text = "0xFF" + text;
     }
+    return new Color(int.parse(text));
   }
 
   static Color? rgbOrRgbaToColor(String text) {
