add auth

src/settings/pipes-setup.ts

@@ -0,0 +1,43 @@
+import {
+  BadRequestException,
+  INestApplication,
+  ValidationPipe,
+} from '@nestjs/common';
+import { ValidationError } from 'class-validator';
+
+export const validationErrorsMapper = {
+  mapValidationErrorArrayToValidationPipeErrorTypeArray(
+    errors: ValidationError[],
+  ): ValidationPipeErrorType[] {
+    return errors.flatMap((error) => {
+      const constraints = error.constraints ?? [];
+      return Object.entries(constraints).map(([_, value]) => ({
+        field: error.property,
+        message: value,
+      }));
+    });
+  },
+};
+
+export function pipesSetup(app: INestApplication) {
+  app.useGlobalPipes(
+    new ValidationPipe({
+      whitelist: true,
+      transform: true,
+
+      stopAtFirstError: true,
+      exceptionFactory: (errors: ValidationError[]) => {
+        const err =
+          validationErrorsMapper.mapValidationErrorArrayToValidationPipeErrorTypeArray(
+            errors,
+          );
+        throw new BadRequestException(err);
+      },
+    }),
+  );
+}
+
+export type ValidationPipeErrorType = {
+  field: string;
+  message: string;
+};