fix: handle JSXNamespacedName

Author: francoismassart

lib/util/ast.js

@@ -36,6 +36,14 @@ function isClassAttribute(node, classRegex) {
     case 'TextAttribute':
       name = node.name;
       break;
+    case 'JSXAttribute':
+      if (node.name.type === 'JSXNamespacedName') {
+        const ns = node.name.namespace.name || '';
+        name = (ns.length ? ns + ':' : '') + node.name.name.name;
+      } else {
+        name = node.name.name;
+      }
+      break;
     default:
       name = node.name.name;
   }
@@ -185,7 +193,7 @@ function extractRangeFromNode(node) {
     return [node.valueSpan.fullStart.offset, node.valueSpan.end.offset];
   }
   if (node.value === undefined) {
-    return [0,0];
+    return [0, 0];
   }
   switch (node.value.type) {
     case 'JSXExpressionContainer':