Fix for old nodejs versions

csstree · Sep 27, 2023 · 2d3bcfc · 2d3bcfc
1 parent 06ebd3b
commit 2d3bcfc
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/lib/syntax/node/FeatureFunction.js b/lib/syntax/node/FeatureFunction.js
@@ -11,7 +11,8 @@ export const structure = {
 };
 
 function getFeatureParser(kind, name) {
-    const parser = this.features[kind]?.[name];
+    const featuresOfKind = this.features[kind] || {};
+    const parser = featuresOfKind[name];
 
     if (typeof parser !== 'function') {
         this.error(`Unknown feature ${name}()`);