JWT Autorization / Logging in and registering

node_modules/validator/es/lib/util/assertString.js

@@ -0,0 +1,23 @@
+function _typeof(obj) { "@babel/helpers - typeof"; if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }
+
+export default function assertString(input) {
+  var isString = typeof input === 'string' || input instanceof String;
+
+  if (!isString) {
+    var invalidType;
+
+    if (input === null) {
+      invalidType = 'null';
+    } else {
+      invalidType = _typeof(input);
+
+      if (invalidType === 'object' && input.constructor && input.constructor.hasOwnProperty('name')) {
+        invalidType = input.constructor.name;
+      } else {
+        invalidType = "a ".concat(invalidType);
+      }
+    }
+
+    throw new TypeError("Expected string but received ".concat(invalidType, "."));
+  }
+}