bigcapital/server/src/loaders/index.ts

import Logger from 'loaders/logger';
import mongooseLoader from 'loaders/mongoose';
import jobsLoader from 'loaders/jobs';
import expressLoader from 'loaders/express';
import databaseLoader from 'loaders/database';
import dependencyInjectorLoader from 'loaders/dependencyInjector';
import objectionLoader from 'database/objection';
import i18nConfig from 'loaders/i18n';

// We have to import at least all the events once so they can be triggered
import 'loaders/events';

export default async ({ expressApp }) => {
  const mongoConnection = await mongooseLoader();
  Logger.info('[init] MongoDB loaded and connected!');

  // Initialize the system database once app started.
  const knex = databaseLoader();

  // Initialize the objection.js from knex instance.
  objectionLoader({ knex });

  // It returns the agenda instance because it's needed in the subsequent loaders
  const { agenda } = await dependencyInjectorLoader({
    mongoConnection,
    knex,
  });
  await jobsLoader({ agenda });
  Logger.info('[init] Jobs loaded');

  expressLoader({ app: expressApp });
  Logger.info('[init] Express loaded');

  i18nConfig();
  Logger.info('[init] I18n node configured.');
};