feat(auth): implement user authentication system

backend/node_modules/@jest/reporters/build/printDisplayName.js

@@ -0,0 +1,35 @@
+'use strict';
+
+Object.defineProperty(exports, '__esModule', {
+  value: true
+});
+exports.default = printDisplayName;
+function _chalk() {
+  const data = _interopRequireDefault(require('chalk'));
+  _chalk = function () {
+    return data;
+  };
+  return data;
+}
+function _interopRequireDefault(obj) {
+  return obj && obj.__esModule ? obj : {default: obj};
+}
+/**
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
+
+function printDisplayName(config) {
+  const {displayName} = config;
+  const white = _chalk().default.reset.inverse.white;
+  if (!displayName) {
+    return '';
+  }
+  const {name, color} = displayName;
+  const chosenColor = _chalk().default.reset.inverse[color]
+    ? _chalk().default.reset.inverse[color]
+    : white;
+  return _chalk().default.supportsColor ? chosenColor(` ${name} `) : name;
+}