Omitting @OneToMany decorator is valid?

Issue type:

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

Database system/driver:

[ ] cordova [ ] mongodb [ ] mssql [x] mysql / mariadb [ ] oracle [ ] postgres [ ] sqlite [ ] sqljs [ ] react-native

TypeORM version:

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

Steps to reproduce or a small repository showing the problem:

export class User {
    @PrimaryGeneratedColumn()
    public id: number;

    @Column({
        unique: true
    })
    public email: string;

    @Column()
    public password: string;

    @ManyToOne(type => Home, home => home.id)
    public home: Home;

    @OneToMany(type => Electricity, electricity => electricity.home)
    public electricity: Electricity[];

    @OneToMany(type => Gas, gas => gas.home)
    public gas: Gas[];

    @OneToMany(type => Water, water => water.home)
    public water: Water[];
}

export class Meter {
    @PrimaryGeneratedColumn()
    public id: number;

    @Column("decimal", { precision: 15, scale: 3 })
    public value: number;

    @Column()
    public date: Date;

    @ManyToOne(type => User, user => user.id)
    public user: User;

    @ManyToOne(type => Home, home => home.id)
    public home: Home;
}

export class Home {
    @PrimaryGeneratedColumn()
    public id: number;

    @Column()
    public street: string;

    @Column()
    public town: string;

    @Column()
    public postalcode: number;

    @Column()
    public streetnumber: number;

    @OneToMany(type => User, user => user.id)
    public user: User[];

    @OneToMany(type => MeterCounter, counter => counter.id)
    public counter: MeterCounter[];

    @OneToMany(type => Electricity, electricity => electricity.home)
    public electricity: Electricity[];

    @OneToMany(type => Gas, gas => gas.home)
    public gas: Gas[];

    @OneToMany(type => Water, water => water.home)
    public water: Water[];
}

I got these Entities. The Meter Entity has two foreign keys: UserId and HomeId. It looks like I am creating a circular dependency as I get this error (Gas, Water and Electricity are just empty Entities which inherit from Meter):

export class Gas extends Meter { } TypeError: Class extends value undefined is not a constructor or null

However when I omit the @OneToMany decorator I don´t get the error and everything works fine. Is that a valid behaviour?

[mnzaki]

For future reference and googlers: #4190

You can now pass strings to the @OneToMany decorator:

@OneToMany('entity_name', 'attribute_name')

[cacabo]

For future reference and googlers: #4190

You can now pass strings to the @OneToMany decorator:

@OneToMany('entity_name', 'attribute_name')

This fixes my OneToMany/ManyToOne relations, but for some reason does not fix the circular dep issue with OneToOne. Any ideas?