Configuracion de proyecto

Propiedades Obligatorias en Package.json

{
  "name": "Nombre del sistema para el packageJson",
  "system": "Nombre del sistema para identificarlo por devs y clientes",
  "version": "0.0.1",
  "description": "Descripcion del sistemaa",
  "author": "blade-liger",
  "contact": {
    "name": "Jose David Mamani Figueroa",
    "email": "[email protected]"
  },
}

Configuracion .prettierrc

{
  "tabWidth": 2,
  "semi": true,
  "singleQuote": true,
  "trailingComma": "all",
  "quoteProps": "as-needed",
  "bracketSpacing": true,
  "useTabs": false,
  "sortAttributes": false,
  "jsxBracketSameLine": false,
  "arrowParens": "always",
  "endOfLine": "auto",
  "vueIndentScriptAndStyle": true,
  "printWidth": 80
}

Configuracion .prettierignore

package.json

Configuracion .eslintrc o eslint.config.mjs

module.exports = {
  parser: '@typescript-eslint/parser',
  parserOptions: {
    project: 'tsconfig.json',
    tsconfigRootDir: __dirname,
    sourceType: 'module',
  },
  plugins: ['@typescript-eslint/eslint-plugin'],
  extends: [
    'plugin:@typescript-eslint/recommended',
    'plugin:prettier/recommended',
  ],
  root: true,
  env: {
    node: true,
    jest: true,
  },
  ignorePatterns: ['.eslintrc.js'],
  rules: {
      '@typescript-eslint/no-explicit-any': 'off',
      '@typescript-eslint/no-floating-promises': 'off',
      '@typescript-eslint/no-unsafe-argument': 'off',
      '@typescript-eslint/interface-name-prefix': 'off',
      '@typescript-eslint/explicit-function-return-type': 'off',
      '@typescript-eslint/explicit-module-boundary-types': 'off',
      '@typescript-eslint/no-var-requires': 'off',
      '@typescript-eslint/no-unsafe-assignment': 'off',
      '@typescript-eslint/no-require-imports': 'off',
      '@typescript-eslint/no-unsafe-member-access': 'off',
      '@typescript-eslint/no-unsafe-return': 'off',
      '@typescript-eslint/no-unsafe-call': 'off',
  },
};

Agregar Icono para el proyecto

Crear directorio y el archivo favicon.ico

PROYECTO/src/assets/images/favicon.ico

Configurar archivo nest-cli.json

{
  "$schema": "https://json.schemastore.org/nest-cli",
  "collection": "@nestjs/schematics",
  "sourceRoot": "src",
  "compilerOptions": {
    "assets": [
      {
        "include": "assets/**/*",
        "outDir": "dist/assets"
      }
    ],
    "watchAssets": true,
    "deleteOutDir": true
  }
}

Configuracion Inicial Main.ts

import { NestFactory } from '@nestjs/core';
import { ConfigService } from '@nestjs/config';
import { RequestMethod, VersioningType } from '@nestjs/common';
import { NestExpressApplication } from '@nestjs/platform-express';
import { GlobalValidationPipe, configSwagger } from 'config-core-nest';
import { urlencoded, json } from 'express';
import * as compression from 'compression';
import { AppModule } from './app.module';
import { bold } from 'chalk';
import * as path from 'path';

async function bootstrap() {
  const app = await NestFactory.create<NestExpressApplication>(AppModule);
  const envService = app.get(ConfigService);
  const packageJson = envService.get('packageJson');
  app.use(json({ limit: envService.get('limitRequest') }));
  app.use(
    urlencoded({ extended: true, limit: envService.get('limitRequest') }),
  );
  app.enableVersioning({ type: VersioningType.URI });
  app.use(compression());
  app.setGlobalPrefix('api', {
    exclude: [{ path: '/', method: RequestMethod.GET }],
  });
  app.useGlobalPipes(new GlobalValidationPipe());
  app.enableCors({
    origin: envService.get('enableCors'),
    methods: 'GET,HEAD,PUT,PATCH,POST,DELETE,OPTIONS',
    credentials: true,
  });
  if (envService.get('environment') !== 'production')
    configSwagger(
      app,
      packageJson,
      path.join(__dirname, '/assets/images/favicon.ico'),
    );
  const port = envService.get<number>('port');
  await app.listen(port ?? '', '0.0.0.0').then(async () => {
    console.info(
      bold.blue(
        `🚀 "${packageJson.name}", version:"${packageJson.version}" API is listening ON PORT`,
        `${await app.getUrl()}/api`,
      ),
    );
  });
}
bootstrap();

Configuracion AppModule

import { Module } from '@nestjs/common';
import { AppController } from './app.controller';
import { AppService } from './app.service';
import { ConfigModule } from '@nestjs/config';
import configuration from './config/configuration';
import { GlobalExceptionFilter, ResponseInterceptor } from 'config-core-nest';
import { APP_FILTER, APP_INTERCEPTOR } from '@nestjs/core';

@Module({
  imports: [
    ConfigModule.forRoot({
      isGlobal: true,
      load: [configuration],
    }),
  ],
  controllers: [AppController],
  providers: [
    AppService,
    {
      provide: APP_FILTER,
      useClass: GlobalExceptionFilter,
    },
    {
      provide: APP_INTERCEPTOR,
      useClass: ResponseInterceptor,
    },
  ],
})
export class AppModule {}

archivo de configuracion en carpeta /src/config/configuration.ts

import { configurationNest } from 'config-core-nest';
import { join } from 'path';

export default () => {
  const locatePackagejson = process.cwd();
  let pm2 = false;
  if (locatePackagejson.includes('dist')) {
    pm2 = true;
  }
  const pathPackageJson = require(join(process.cwd(), pm2 ? '../package.json' : 'package.json'));
  return {
    ...configurationNest(pathPackageJson),
  };
};

variables de entorno Obligatorias

ENVIRONMENT solo debe ser development o production

ENV_PORT=3300
ENVIRONMENT=development 
LIMIT_REQUESTS=50mb
CORS_ORIGIN=*

Configuracion del archivo AppService y AppController

AppController:

import { Controller, Get } from '@nestjs/common';
import { AppService } from './app.service';

@Controller()
export class AppController {
  constructor(private readonly appService: AppService) {}

  @Get()
  getPing() {
    return this.appService.getPing();
  }
}


AppService:

import { Injectable } from '@nestjs/common';
import { ConfigService } from '@nestjs/config';

@Injectable()
export class AppService {
  constructor(private readonly configService: ConfigService) {}
  getPing() {
    return {
      version: this.configService.get('packageJson').version,
      system: this.configService.get('packageJson').system,
      description: this.configService.get('packageJson').description,
    };
  }
}