feat: added unprocessable entity (422) http error (#1459)

Author: shevchenkonik

README.md

@@ -766,6 +766,7 @@ There are set of prepared errors you can use:
 - NotAcceptableError
 - NotFoundError
 - UnauthorizedError
+- UnprocessableEntityError
 
 You can also create and use your own errors by extending `HttpError` class.
 To define the data returned to the client, you could define a toJSON method in your error.

docs/lang/chinese/README.md

@@ -724,6 +724,7 @@ getOne(@Param("id") id: number) {
 - NotAcceptableError
 - NotFoundError
 - UnauthorizedError
+- UnprocessableEntityError
 
 可以继承 `HttpError` 类自行创建使用 error。
 也可实现一个 toJson 函数定义返回给客户端的数据。

lang/chinese/README.md

@@ -727,6 +727,7 @@ getOne(@Param("id") id: number) {
 - NotAcceptableError
 - NotFoundError
 - UnauthorizedError
+- UnprocessableEntityError
 
 可以继承 `HttpError` 类自行创建使用 error。
 也可实现一个 toJson 函数定义返回给客户端的数据。

src/http-error/UnprocessableEntityError.ts

@@ -0,0 +1,15 @@
+import { HttpError } from './HttpError';
+
+/**
+ * Exception for 422 HTTP error.
+ */
+export class UnprocessableEntityError extends HttpError {
+  name = 'UnprocessableEntityError';
+
+  constructor(message?: string) {
+    super(422);
+    Object.setPrototypeOf(this, UnprocessableEntityError.prototype);
+
+    if (message) this.message = message;
+  }
+}

src/index.ts

@@ -71,6 +71,7 @@ export * from './http-error/NotAcceptableError';
 export * from './http-error/MethodNotAllowedError';
 export * from './http-error/NotFoundError';
 export * from './http-error/UnauthorizedError';
+export * from './http-error/UnprocessableEntityError';
 
 export * from './driver/express/ExpressMiddlewareInterface';
 export * from './driver/express/ExpressErrorMiddlewareInterface';