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typescript-decorators

typescript 
import { Exclude, Expose } from 'class-transformer';

export class User {
  id: string;

  firstName: string;

Hide Sensitive Fields in NestJS Responses with class-transformer and ClassSerializerInterceptor

nestjs class-transformer serialization
by codesnips 3 tabs
typescript 
import { Body, Controller, Get, Post, UseGuards } from '@nestjs/common';
import { FeatureFlagGuard } from './feature-flag.guard';
import { RequireFeature } from './feature-flag.decorator';

@Controller('experiments')
@UseGuards(FeatureFlagGuard)

Per-Request Feature Flags in NestJS with a Custom Decorator and Resolution Guard

nestjs feature-flags guards
by codesnips 4 tabs
typescript 
import { NestFactory } from '@nestjs/core';
import { ValidationPipe } from '@nestjs/common';
import { AppModule } from './app.module';

async function bootstrap() {
  const app = await NestFactory.create(AppModule);

Global ValidationPipe with class-validator DTOs and Transform in NestJS

nestjs validation dto
by codesnips 3 tabs