text: /* eslint strict: off */
  /* eslint lines-around-directive: off */
  'use strict';
  
  const fs = require('fs');
  const path = require('path');
  const Sequelize = require('sequelize');
  const basename = path.basename(__filename);
  const env = process.env.NODE_ENV || 'development';
  /* eslint prefer-template: off */
  /* eslint no-path-concat: off */
  // eslint-disable-next-line import/no-dynamic-require
  const config = require('../config/config.json')[env];
  const db = {};
  
  let sequelize;
  if (config.use_env_variable) {
    sequelize = new Sequelize(process.env[config.use_env_variable], config);
  } else {
    sequelize = new Sequelize(
      config.database,
      config.username,
      config.password,
      /* eslint comma-dangle: off */
      config
    );
  }
  
  fs.readdirSync(__dirname)
    /* eslint arrow-body-style: off */
    .filter((file) => {
      return (
        file.indexOf('.') !== 0 && file !== basename && file.slice(-3) === '.js'
      );
    })
    .forEach((file) => {
      /* eslint dot-notation: off */
      const model = sequelize['import'](path.join(__dirname, file));
      db[model.name] = model;
    });
  
  Object.keys(db).forEach((modelName) => {
    if (db[modelName].associate) {
      db[modelName].associate(db);
    }
  });
  
  db.sequelize = sequelize;
  db.Sequelize = Sequelize;
  
  module.exports = db
  