ui

2022-04-07 18:09:31 +05:30
parent 36ea86d8e6
commit 1c779ef816
14095 changed files with 1769361 additions and 47 deletions
@@ -0,0 +1,16 @@
+'use strict';
+
+module.exports = {
+  isString: function(arg) {
+    return typeof(arg) === 'string';
+  },
+  isObject: function(arg) {
+    return typeof(arg) === 'object' && arg !== null;
+  },
+  isNull: function(arg) {
+    return arg === null;
+  },
+  isNullOrUndefined: function(arg) {
+    return arg == null;
+  }
+};