import { mongoMigrateCli } from 'mongo-migrate-ts';

mongoMigrateCli({
  uri: 'mongodb://username:[email protected]:27017',
  database: 'db',
  migrationsDir: __dirname,
  migrationsCollection: 'migrations_collection',
});

import { MigrationInterface } from 'mongo-migrate-ts';
import { Db } from 'mongodb';

export class MyMigration implements MigrationInterface {
  async up(db: Db): Promise<any> {
    await db.createCollection('my_collection');
  }

  async down(db: Db): Promise<any> {
    await db.dropCollection('my_collection');
  }
}

{
  // The path where the migrations are stored
  migrationsDir: string;
  // The name of the collection to store the applied migrations
  // (Default: "migrations_changelog")
  migrationsCollection?: string;
  // The connection uri, it can be empty if useEnv is true
  // (Example: mongodb://user:[email protected]:27017/db?authSource=admin)
  uri?: string;
  // The database where run the migrations
  // it can be empty if the database is on the uri or useEnv is true
  database?: string;
  // If true, will load the configuration from environment variables.
  useEnv?: boolean;
  // Options related to environment configuration
  environment?: {
    // The name of the environment variable with the uri connection
    // (Default: MONGO_MIGRATE_URI)
    uriVar?: string;
    // The name of the environment variable with the db name
    // (Default: MONGO_MIGRATE_DB)
    databaseVar?: string;
  };
  // Specific configuration of mongodb client
  // (see https://mongodb.github.io/node-mongodb-native/4.3/interfaces/MongoClientOptions.html)
  options?: MongoClientOptions;
}