undeexcepturi/tests/entities-schema/Book4.ts

TypeScript ORM for Node.js based on Data Mapper, Unit of Work and Identity Map patterns. Supports MongoDB, MySQL, PostgreSQL and SQLite databases as well as usage with vanilla JavaScript.

import type { Collection, Reference, OptionalProps } from '@mikro-orm/core';
import { EntitySchema, t } from '@mikro-orm/core';
import type { IBaseEntity5 } from './BaseEntity5';
import type { IAuthor4 } from './Author4';
import type { IPublisher4 } from './Publisher4';
import type { IBookTag4 } from './BookTag4';
import { BaseEntity5 } from './BaseEntity5';

export interface Book4Meta {
  category: string;
  items: number;
  valid?: boolean;
  nested?: { foo: string; bar?: number; deep?: { baz: number; qux: boolean } };
}

export interface IBook4 extends Omit<IBaseEntity5, typeof OptionalProps> {
  [OptionalProps]?: 'meta' | IBaseEntity5[typeof OptionalProps];
  title: string;
  price?: number;
  priceTaxed?: string;
  author?: IAuthor4;
  publisher?: Reference<IPublisher4>;
  tags: Collection<IBookTag4>;
  tagsUnordered: Collection<IBookTag4>;
  meta: Book4Meta;
}

export const Book4 = new EntitySchema<IBook4, IBaseEntity5>({
  name: 'Book4',
  extends: BaseEntity5,
  properties: {
    title: { type: t.string },
    price: { type: t.float, nullable: true },
    priceTaxed: { type: t.float, formula: alias => `${alias}.price * 1.19`, persist: false },
    author: { kind: 'm:1', entity: 'Author4', inversedBy: 'books', nullable: true },
    publisher: { kind: 'm:1', entity: 'Publisher4', inversedBy: 'books', ref: true, nullable: true },
    tags: { kind: 'm:n', entity: 'BookTag4', inversedBy: 'books', pivotTable: 'tags_ordered', fixedOrder: true },
    tagsUnordered: { kind: 'm:n', entity: 'BookTag4', inversedBy: 'books', pivotTable: 'tags_unordered' },
    meta: { type: 'json', nullable: true },
  },
});