Initial commit - express server, where citysys-terminal app is uploaded

bit.js

@@ -0,0 +1,43 @@
+//http://lua-users.org/wiki/BitwiseOperators
+//https://basicer.com/lua2js/
+
+class bit {
+    static lshift(x, n)
+    {
+      return x << n;
+    }
+  
+    static rshift(x, n)
+    {
+      return x >> n;
+    }
+  
+    //bit.bor(x1[,x2...])   -- bitwise or of x1, x2, ...
+    static bor(...args)
+    {
+      let v = args[0];
+      if(args.length === 1) return v;
+  
+      for (var i = 1; i < args.length; i++) {
+        v = v | args[i];
+      }
+  
+      return v;
+    }
+  
+    //bit.band(x1[,x2...])  -- bitwise and of x1, x2, ...
+    static band(...args)
+    {
+  
+      let v = args[0];
+      if(args.length === 1) return v;
+  
+      for (var i = 1; i < args.length; i++) {
+        v = v & args[i];
+      }
+  
+      return v;
+    }
+  }
+
+  module.exports = bit