JWT Autorization / Logging in and registering

node_modules/validator/es/lib/isLocale.js

@@ -0,0 +1,11 @@
+import assertString from './util/assertString';
+var localeReg = /^[A-z]{2,4}([_-]([A-z]{4}|[\d]{3}))?([_-]([A-z]{2}|[\d]{3}))?$/;
+export default function isLocale(str) {
+  assertString(str);
+
+  if (str === 'en_US_POSIX' || str === 'ca_ES_VALENCIA') {
+    return true;
+  }
+
+  return localeReg.test(str);
+}