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• nestjs-starter-master
  • .github
    • ISSUE_TEMPLATE
      • Parser_Request.md
      • Regression.md
      • Bug_Report.md
    • workflows
      • ci.yml
  • src
    • app.module.ts
    • common
      • transformers
        • index.ts
        • to-boolean.transformer.ts
      • utils
        • index.ts
        • random-number-generator.utils.ts
      • pipes
        • validation.pipe.ts
      • interceptors
        • transform.interceptor.ts
      • enums
        • gender.enum.ts
        • index.ts
        • phone.enum.ts
      • validators
        • is-email-already-exist.validator.ts
        • index.ts
        • is-username-already-exist.validator.ts
      • test
        • utils
          • random-number-generator.utils.spec.ts
      • filters
        • index.ts
        • api-exception.model.ts
        • http-exception.filter.ts
      • interfaces
        • user.interface.ts
        • index.ts
        • api-response.interface.ts
      • abstracts
        • index.ts
        • entities
          • index.ts
          • metadata.base.entity.ts
          • base.entity.ts
    • config
      • config.constants.ts
      • config.schema.ts
      • server.config.ts
      • mailer.config.ts
      • database.config.ts
    • main.ts
    • app.controller.ts
    • core
      • database
        • database.module.ts
      • index.ts
      • scheduler
        • test
          • task.service.spec.ts
        • scheduler.module.ts
        • task.service.ts
      • config
        • config.module.ts
      • mailer
        • mailer.module.ts
      • core.module.ts
    • modules
      • index.ts
      • users
        • dto
          • create-user.dto.ts
          • contact-info.dto.ts
          • create-contact-address.dto.ts
          • update-contact-address.dto.ts
          • create-contact-phone.dto.ts
          • index.ts
          • update-user-metadata.dto.ts
          • update-contact-phone.dto.ts
          • create-user-metadata.dto.ts
          • update-user-dto.ts
        • services
          • contact-info.service.ts
          • index.ts
          • users.service.ts
        • users.controller.ts
        • contact.controller.ts
        • entities
          • user.entity.ts
          • contact-info.entity.ts
          • index.ts
          • contact-phone.entity.ts
          • contact-address.entity.ts
          • user-metadata.entity.ts
        • users.module.ts
      • auth
        • strategies
          • local.strategy.ts
          • jwt.strategy.ts
        • auth.service.ts
        • dtos
          • index.ts
          • login.dto.ts
        • guards
          • jwt-auth.guard.ts
          • local-auth.guard.ts
        • auth.module.ts
  • .prettierrc
  • test
    • app.e2e-spec.ts
    • jest-e2e.json
  • commitlint.config.js
  • .npmrc
  • environment
    • example.env.development
    • example.env.pre-production
  • now.json
  • CHANGELOG.md
  • tsconfig.build.json
  • db_diagram.dbs
  • renovate.json
  • README.md
  • package.json
  • LICENCE
  • db_diagram.dbs.bak
  • Dockerfile
  • deploy.yml
  • .eslintrc.js
  • database.yml
  • tsconfig.json
  • .gitignore
  • .dockerignore
  • .nowignore
  • .vscode
    • settings.json
    • launch.json
  • nest-cli.json

import { NestInterceptor, ExecutionContext, CallHandler, Injectable } from '@nestjs/common';
import { Observable } from 'rxjs';
import { map } from 'rxjs/operators';
import { Response } from '../interfaces/api-response.interface';

@Injectable()
export class TransformInterceptor<T> implements NestInterceptor<T, Response<T>> {
  intercept(ctx: ExecutionContext, next: CallHandler): Observable<Response<T>> {
    return next.handle().pipe(
      map((data) => ({
        statusCode: ctx.switchToHttp().getResponse().statusCode,
        message: data?.message || 'Success response',
        data: data?.output ?? data ?? null,
      })),
    );
  }
}