ReferenceError: Cannot access 'BrandEntity before initialization

Issue type:

[X] question [X] bug report [ ] feature request [ ] documentation issue

Database system/driver:

[ ] cordova [ ] mongodb [ ] mssql [ ] mysql / mariadb [ ] oracle [X] postgres [ ] cockroachdb [ ] sqlite [ ] sqljs [ ] react-native [ ] expo

TypeORM version:

[X] latest [ ] @next [ ] 0.x.x (or put your version here)

When trying to read brands (BrandEntity) I am getting the following error:

ReferenceError: Cannot access 'BrandEntity' before initializatio

import {
    Entity,
    PrimaryGeneratedColumn,
    Column,
    BaseEntity,
    ManyToOne,
    PrimaryColumn,
    JoinColumn,
    VersionColumn, OneToMany
} from "typeorm";
import {UserEntity} from "./UserEntity";
import {ResponseEntity} from "./ResponseEntity";

@Entity()
export class BrandEntity {

    @PrimaryColumn()
    id: string; 

    @Column({
        length: 150
    })
    name: string;

    @ManyToOne(type => UserEntity)
    owner: UserEntity;

    @OneToMany(type => ResponseEntity, (response: ResponseEntity) => response.brand, {
        //cascadeInsert: true,
        //cascadeUpdate: true,
        //cascadeRemove: true
        cascade: true
    })
    responses: ResponseEntity[]
}

import {Entity, PrimaryGeneratedColumn, Column, BaseEntity, ManyToOne} from "typeorm";
import {BrandEntity} from "./BrandEntity";

@Entity()
export class ResponseEntity {

    @PrimaryGeneratedColumn()
    id: number;

    @Column({
        length: 1000,
        nullable: false
    })
    text: string;

    @Column({
        nullable: false
    })
    emotion: 'sad' | 'neutral' | 'happy';


    @ManyToOne(type => BrandEntity, brand => brand.responses, {
        eager: true
    })
    brand: BrandEntity;
}

Relevant config:

{
    "name": "development",
    "type": "postgres",
    "host": "localhost",
    "username": "postgres",
    "password": "postgres",
    "database": "local",
    "synchronize": true,
    "logging": true,
    "entities": [
      "./src/server/entities/**.ts"
    ],
    "migrations": [
      "./src/server/migrations/**.ts"
    ],
    "dropSchema": true
  }

Is there something wrong with my relationship? Otherwise, I believe this is a bug. Any thoughts are greatly appreciated!

Olav

[olaven]

@m4tta I ended up ditching Typeorm and going for “raw SQL” with node-pg instead. Never looked back 😄 So that’s my advice, if you are able to. EDIT: Just to be clear, Typeorm is very good at a lot of stuff! But it did not play nice with Next.js in my experience. As this discussion we’re both a part of documents.

[h666t]

Were you ever able to figure this out? I’m getting the same issue.

I have a similar problem and maybe it will help you. check all your relations and change them as follows.

// use string instead of function
// @ManyToOne(() => BlogSystemUser, (user) => user.blogs)
   @ManyToOne('BlogSystemUser', 'blogs')