refactor: lexical (#1954)

packages/blocks-editor/src/Lexical/Utils/join-classes.ts

@@ -0,0 +1,13 @@
+/**
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ *
+ */
+
+export default function joinClasses(
+  ...args: Array<string | boolean | null | undefined>
+) {
+  return args.filter(Boolean).join(' ');
+}