Todo entity that is both an ORM entity, and part of a GQL schema definition

todo.entity.ts

import { Field, ID, InputType, ObjectType } from "type-graphql";
import { Column, Entity, PrimaryGeneratedColumn } from "typeorm";

@ObjectType()
@Entity()
export class Todo {
  @Field()
  @PrimaryGeneratedColumn()
  id: number;

  @Field()
  @Column()
  task: string;
}

export type ITodo = { [K in keyof Todo]: Todo[K] };

@InputType()
export class TodoInput implements Partial<Todo> {
  @Field({ nullable: true })
  id: number;

  @Field()
  task: string;
}