diff --git a/src/core/utils.js b/src/core/utils.js
new file mode 100644
index 0000000..02aca9c
--- /dev/null
+++ b/src/core/utils.js
@@ -0,0 +1,5 @@
+export const val = t => typeof t === "function" ? t() : t;
+
+export const joinClass = (t, l) => typeof l === "function" 
+  ? () => `${t} ${l() || ""}`.trim() 
+  : `${t} ${l || ""}`.trim();