@heisian/sequelize-cli/src/helpers/migration-helper.js

The Sequelize CLI

import _ from 'lodash';
import helpers from './index';

const Sequelize = helpers.generic.getSequelize();

module.exports = {
  getTableName (modelName) {
    return Sequelize.Utils.pluralize(modelName);
  },

  generateTableCreationFileContent (args) {
    return helpers.template.render('migrations/create-table.js', {
      tableName:  this.getTableName(args.name),
      attributes: helpers.model.transformAttributes(args.attributes),
      createdAt:  args.underscored ? 'created_at' : 'createdAt',
      updatedAt:  args.underscored ? 'updated_at' : 'updatedAt'
    });
  },

  generateMigrationName (args) {
    return _.trimStart(_.kebabCase('create-' + args.name), '-');
  },

  generateTableCreationFile (args) {
    const migrationName = this.generateMigrationName(args);
    const migrationPath = helpers.path.getMigrationPath(migrationName);

    helpers.asset.write(migrationPath, this.generateTableCreationFileContent(args));
  }
};