@graphql-yoga/nestjs/__tests__/fixtures/graphql/cats/cats.service.ts

GraphQL Yoga driver for NestJS GraphQL.

import { Injectable } from '@nestjs/common'
import { Cat } from './interfaces/cat.interface'

@Injectable()
export class CatsService {
  static COUNTER = 0
  private readonly cats: Cat[] = [{ id: 1, name: 'Cat', age: 5 }]

  constructor() {
    CatsService.COUNTER++
  }

  create(cat: Cat): Cat {
    this.cats.push(cat)
    return cat
  }

  findAll(): Cat[] {
    return this.cats
  }

  findOneById(id: number): Cat | undefined {
    return this.cats.find((cat) => cat.id === id)
  }
}