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@frabbit/mongo-migrate-ts

v1.0.32

Published

yet another fork...

Downloads

107

Readme

@frabbit/mongo-migrate-ts

yet another fork...

A library for easy run migrations on mongodb with TypeScript.

Based on migrate-mongo (https://github.com/seppevs/migrate-mongo/), but with TypeScript support.

Installation

Install using your favourite package manager, example using npm

npm install @frabbit/mongo-migrate-ts

You can install it globally for the CLI usage

npm install -g @frabbit/mongo-migrate-ts

Usage

CLI options

Usage: mongo-migrate [options] [command]

Options:
  -h, --help      output usage information

Commands:
  init            Creates the migrations directory and configuration file
  new [options]   Create a new migration file under migrations directory
  up              Run all pending migrations
  down [options]  Undo migrations
  status          Show the status of the migrations

Create a directory for your migrations and instantiate a CLI

import { mongoMigrateCli } from '@frabbit/mongo-migrate-ts';

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

Create a migration file in the configured migrations folder...

import { MigrationInterface } from '@frabbit/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');
  }
}

Compile and up all migrations

tsc migrations/index.js && node build/migrations/index.js up

or run directly with ts-node

ts-node migrations/index.ts up

Configuration

{
  // 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;
}

Example configuration in json

{
  "uri": "mongodb://admin:[email protected]:27017/mydb?authSource=admin",
  "migrationsDir": "migrations"
}