added whole system from ola4doc

sys/node_modules/has-unicode/index.js

@@ -0,0 +1,16 @@
+"use strict"
+var os = require("os")
+
+var hasUnicode = module.exports = function () {
+  // Recent Win32 platforms (>XP) CAN support unicode in the console but
+  // don't have to, and in non-english locales often use traditional local
+  // code pages. There's no way, short of windows system calls or execing
+  // the chcp command line program to figure this out. As such, we default
+  // this to false and encourage your users to override it via config if
+  // appropriate.
+  if (os.type() == "Windows_NT") { return false }
+
+  var isUTF8 = /UTF-?8$/i
+  var ctype = process.env.LC_ALL || process.env.LC_CTYPE || process.env.LANG
+  return isUTF8.test(ctype)
+}