diff --git a/utils/util.js b/utils/util.js
new file mode 100644
index 0000000..0c16469
--- /dev/null
+++ b/utils/util.js
@@ -0,0 +1,3 @@
+export function isEmpty(val){
+	return val===null||val===undefined||val===''
+}
\ No newline at end of file