An example for graphql-typescript with typeorm

graphql-typescript-typeorm.ts

import { Entity, Column, PrimaryGeneratedColumn, getRepository, CreateDateColumn, UpdateDateColumn } from 'typeorm'
import { Type, Field, ID, String, Mutation } from 'graphql-typescript'

class CreateUserArguments {
  @Field(String) username: string
  @Field(String) password: string
}

@Entity({ name: 'User' })
@Type
export class User {
  @PrimaryGeneratedColumn()
  @Field(ID)
  id: string

  @Column({ type: 'varchar', unique: true })
  @Field(String)
  username: string

  @Column('varchar')
  password: string

  @CreateDateColumn()
  createdAt: Date

  @UpdateDateColumn()
  updatedAt: Date

  @Mutation(User)
  createUser(_: any, args: CreateUserArguments) {
    return getRepository(User).save(await User.create(args))
  }
}