85 أسطر
2.7 KiB
TypeScript
85 أسطر
2.7 KiB
TypeScript
import { ValidationPipe } from '@nestjs/common';
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import { NestFactory } from '@nestjs/core';
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import { ConfigService } from '@nestjs/config';
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import { DocumentBuilder, SwaggerModule } from '@nestjs/swagger';
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import * as express from 'express';
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import { randomUUID } from 'crypto';
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import { NextFunction, Request, Response } from 'express';
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import { existsSync, mkdirSync } from 'fs';
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import { join } from 'path';
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import { AppModule } from './app.module';
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import { ResponseEnvelopeInterceptor } from './common/interceptors/response-envelope.interceptor';
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async function bootstrap(): Promise<void> {
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const app = await NestFactory.create(AppModule);
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const configService = app.get(ConfigService);
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const corsOrigins = configService.get<string[]>('cors.origins', []);
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const uploadsDir = join(process.cwd(), 'uploads');
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if (!existsSync(uploadsDir)) {
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mkdirSync(uploadsDir, { recursive: true });
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}
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app.enableCors({
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origin: corsOrigins.length ? corsOrigins : true,
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credentials: true,
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});
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app.setGlobalPrefix(configService.get<string>('globalPrefix', 'api/v1'));
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app.useGlobalPipes(
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new ValidationPipe({
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whitelist: true,
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forbidNonWhitelisted: true,
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transform: true,
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transformOptions: { enableImplicitConversion: true },
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}),
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);
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app.use((req: Request, res: Response, next: NextFunction) => {
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const startedAt = Date.now();
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const requestId = (req.headers['x-request-id'] as string | undefined) ?? randomUUID();
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req.headers['x-request-id'] = requestId;
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res.setHeader('x-request-id', requestId);
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res.on('finish', () => {
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const log = {
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level: 'info',
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requestId,
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method: req.method,
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path: req.originalUrl,
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statusCode: res.statusCode,
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durationMs: Date.now() - startedAt,
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};
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console.log(JSON.stringify(log));
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});
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next();
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});
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const responseEnvelopeEnabled = configService.get<boolean>('responseEnvelopeEnabled', false);
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if (responseEnvelopeEnabled) {
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app.useGlobalInterceptors(new ResponseEnvelopeInterceptor());
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}
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app.use('/uploads', express.static(uploadsDir));
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const swaggerConfig = new DocumentBuilder()
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.setTitle(configService.get<string>('swagger.title', 'Oudelaa API'))
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.setDescription(
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configService.get<string>('swagger.description', 'Social media backend API documentation'),
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)
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.setVersion(configService.get<string>('swagger.version', '1.0.0'))
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.addBearerAuth()
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.build();
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const document = SwaggerModule.createDocument(app, swaggerConfig);
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SwaggerModule.setup(configService.get<string>('swagger.path', 'docs'), app, document);
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const port = configService.get<number>('port', 4000);
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const host = configService.get<string>('host', '0.0.0.0');
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await app.listen(port, host);
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}
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void bootstrap();
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