chore: Новый черновик DRAFT, удалить старые docs-v

examples/demo-backend/src/common/configure-application.ts

@@ -0,0 +1,57 @@
+import { randomUUID } from "node:crypto";
+import { ValidationPipe } from "@nestjs/common";
+import type { NestExpressApplication } from "@nestjs/platform-express";
+import cookieParser from "cookie-parser";
+import type { NextFunction, Request, Response } from "express";
+import { ApiExceptionFilter } from "./api-exception.filter";
+import { ObservabilityInterceptor } from "./observability.interceptor";
+import type { DemoRequest } from "./request.types";
+import { ScenarioInterceptor } from "./scenario.interceptor";
+
+export function configureApplication(app: NestExpressApplication): void {
+  app.setGlobalPrefix("api/v1");
+  app.use(cookieParser());
+  app.use((request: Request, response: Response, next: NextFunction) => {
+    const demoRequest = request as DemoRequest;
+    demoRequest.requestId = String(
+      request.headers["x-request-id"] ?? `req-${randomUUID()}`,
+    );
+    response.setHeader("X-Request-Id", demoRequest.requestId);
+    next();
+  });
+  app.enableCors({
+    origin: true,
+    credentials: true,
+    methods: ["GET", "HEAD", "POST", "PUT", "PATCH", "DELETE", "OPTIONS"],
+    allowedHeaders: [
+      "Content-Type",
+      "Authorization",
+      "X-CSRF-Token",
+      "X-Demo-Scenario",
+      "X-Organization-Id",
+      "X-Request-Id",
+      "Idempotency-Key",
+      "If-None-Match",
+    ],
+    exposedHeaders: [
+      "ETag",
+      "Retry-After",
+      "X-Request-Id",
+      "X-Response-Time",
+      "X-Demo-Scenario",
+    ],
+  });
+  app.useGlobalPipes(
+    new ValidationPipe({
+      transform: true,
+      whitelist: true,
+      forbidNonWhitelisted: true,
+    }),
+  );
+  app.useGlobalFilters(app.get(ApiExceptionFilter));
+  app.useGlobalInterceptors(
+    app.get(ObservabilityInterceptor),
+    app.get(ScenarioInterceptor),
+  );
+  app.enableShutdownHooks();
+}