use strict, tested on nodejs v10+

lib/xxtea.js

@@ -1,3 +1,4 @@
+"use strict"
 let delta = 0x9E3779B9;
 
 

package.json

@@ -1,10 +1,10 @@
 {
   "name": "xxtea",
-  "version": "0.2.1",
+  "version": "0.2.2",
   "license": "MIT",
-  "dist-tags": { "latest": "0.2.1" },
-  "versions": [ "0.2.1", "0.2.0", "0.1.2", "0.1.1"],
-  "description": "xxtea encription algorithm in pure javascript",
+  "dist-tags": { "latest": "0.2.2" },
+  "versions": [ "0.2.2","0.2.1", "0.2.0", "0.1.2", "0.1.1"],
+  "description": "xxtea encryption algorithm in pure javascript",
   "keywords": [
     "encription",
     "crypt",
@@ -25,6 +25,6 @@
   "bugs": {
     "url": "https://github.com/h0rn3t/xxtea/issues"
   },
-  "_id": "[email protected].1",
+  "_id": "[email protected].2",
   "_from": "xxtea@"
 }

test.js

@@ -17,4 +17,10 @@ console.log(xxtea.decrypt(data, 'cryptkey')); // => "Привет!"
 // with Russian + Eng
 data = xxtea.encrypt('олололо http://русскийтекст', 'cryptkey');
 console.log(data);
-console.log(xxtea.decrypt(data, 'cryptkey')); // => "Hi!"
+console.log(xxtea.decrypt(data, 'cryptkey')); // => "Hi!"
+
+
+// with Russian + Eng + China
+data = xxtea.encrypt('олололо http://русскийтекст 试验', 'cryptkeycryptkey');
+console.log(data);
+console.log(xxtea.decrypt(data, 'cryptkeycryptkey')); // => "Hi!"