undeexcepturi/tests/entities-schema/Author4.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, EventArgs } from '@mikro-orm/core';
import { EntitySchema, DateType, TimeType, BooleanType, t, ReferenceKind, HiddenProps } from '@mikro-orm/core';
import type { IBaseEntity5 } from './BaseEntity5';
import type { IBook4 } from './Book4';
import { BaseEntity5 } from './BaseEntity5';

export interface IAuthor4 extends IBaseEntity5 {
  name: string;
  email: string;
  age?: number;
  termsAccepted?: boolean;
  identities?: string[];
  born?: string;
  bornTime?: string;
  books: Collection<IBook4>;
  favouriteBook?: IBook4;
  version?: number;
  identity?: Identity;
}

function randomHook(args: EventArgs<IAuthor4>) {
  // ...
}

export class Identity {

  [HiddenProps]?: 'foo' | 'bar';

  constructor(public foo: string, public bar: number) {}

  get fooBar() {
    return this.foo + ' ' + this.bar;
  }

}

export const IdentitySchema = new EntitySchema({
  class: Identity,
  embeddable: true,
  properties: {
    foo: { type: 'string', hidden: true },
    bar: { type: 'number', hidden: true },
    fooBar: { type: 'string', getter: true, persist: false },
  },
});

export const Author4 = new EntitySchema<IAuthor4, IBaseEntity5>({
  name: 'Author4',
  extends: BaseEntity5,
  properties: {
    name: { type: 'string' },
    email: { type: 'string', unique: true },
    age: { type: t.smallint, nullable: true },
    termsAccepted: { type: BooleanType, default: 0, onCreate: () => false },
    identities: { type: 'string[]', nullable: true },
    born: { type: DateType, nullable: true, length: 3 },
    bornTime: { type: TimeType, nullable: true, length: 3 },
    books: { kind: '1:m', type: 'Book4', mappedBy: book => book.author },
    favouriteBook: { kind: 'm:1', type: 'Book4', nullable: true },
    version: { type: 'number', persist: false },
    identity: { type: 'Identity', kind: ReferenceKind.EMBEDDED, nullable: true, object: true },
  },
  hooks: {
    onLoad: [randomHook],
  },
});