// model.js
const sequelizeSoftDelete = require('sequelize-soft-delete')

module.exports = (sequelize, DataTypes) => {
  const MyModel = sequelize.define(
    'MyModel',
    {
      deleted: {
        type: DataTypes.INTEGER(1),
        defaultValue: 0
      }
    },
    {
      defaultScope: {
        where: {
          deleted: 0
        }
      }
    }
  )
  const options = {field: 'deleted', deleted: 1}
  sequelizeSoftDelete.softDelete(MyModel, options)
  return MyModel
}

// controller.js
const updated = await db.MyModel.softDelete({ where: { id: 1 } })