add me point to load user data of current user

src/errors/httpErrors.ts

@@ -1,39 +1,46 @@
-export class ValidationError extends Error {
-  statusCode = 400;
-  constructor(message: string) {
+/**
+ * Base class for all HTTP-related errors.
+ * Extends the built-in Error with a status code and message
+ * so that they can be handled in a consistent way.
+ */
+export class HttpError extends Error {
+  public statusCode: number;
+
+  constructor(message: string, statusCode: number) {
     super(message);
-    this.name = "ValidationError";
+    this.statusCode = statusCode;
+
+    // Restore prototype chain (important when targeting ES5/ES2015+)
+    Object.setPrototypeOf(this, new.target.prototype);
   }
 }
 
-export class NotFoundError extends Error {
-  statusCode = 404;
+export class ValidationError extends HttpError {
   constructor(message: string) {
-    super(message);
-    this.name = "NotFoundError";
+    super(message, 400); // Bad Request
   }
 }
 
-export class ConflictError extends Error {
-  statusCode = 409;
-  constructor(message: string) {
-    super(message);
-    this.name = "ConflictError";
+export class UnauthorizedError extends HttpError {
+  constructor(message: string = "Unauthorized") {
+    super(message, 401);
   }
 }
 
-export class InternalServerError extends Error {
-  statusCode = 500;
-  constructor(message: string) {
-    super(message);
-    this.name = "InternalServerError";
+export class NotFoundError extends HttpError {
+  constructor(message: string = "Resource not found") {
+    super(message, 404);
   }
 }
 
-export class UnauthorizedError extends Error {
-  statusCode = 409;
-  constructor(message: string) {
-    super(message);
-    this.name = "UnauthorizedError";
+export class ConflictError extends HttpError {
+  constructor(message: string = "Conflict") {
+    super(message, 409);
   }
-}
+}
+
+export class InternalServerError extends HttpError {
+  constructor(message: string = "Internal Server Error") {
+    super(message, 500);
+  }
+}