What are the basics of seeding with TypeORM?

What are the basics of seeding with TypeORM?

Seeding in TypeORM involves populating your database with initial data. It helps in testing and development.

How do I create a seed file in TypeORM?

You can create a seed file by defining a class that implements the Seeder interface and then using the createConnection method to run it.

Can you show me an example of a seed file?

Sure! Here's a simple example:

import { Factory, times } from 'typeorm-seeding';
import { Connection } from 'typeorm';
import { User } from '../entities/User';

export default class CreateUsers implements Seeder {
  public async run(factory: Factory, connection: Connection): Promise<void> {
    await factory(User) .createMany(10);
  }
}

What should I do if my seed data isn't populating?

Check your database connection settings, ensure your seed file is correctly implemented, and verify that you are running the seeder.