// entidad prodcut: @Entity() exportar clase ProductEntity{

 @PrimaryGeneratedColumn() public id: number; @Column() public Name: string; @ManyToMany(() => Features, (feature: Features) => feature.product) @JoinTable({name: "productFeature"}) public features: Features[]; }

// entidad de características

Características de la clase de exportación @Entity(){

 @PrimaryGeneratedColumn() public id: number; @Column() NameFeatures: string; @Column({ // nullable:false }) public groupId: number; @ManyToOne(() => Group, group => group.features,{cascade:true}) group: Group @ManyToMany(() => ProductEntity, product => product.features) public product: ProductEntity