$3

var knex = require('knex')({
client: 'mysql',
connection: {
host : '127.0.0.1',
user : 'your_database_user',
password : 'your_database_password',
database : 'myapp_test'
}
});

knexCleaner.clean(knex).then(function() {
// your database is now clean
});

// You can also use this in BookshelfJS
var bookshelf = require('bookshelf')(knex);

knexCleaner.clean(bookshelf.knex).then(function() {

});

// You can also pass if it deletes the tables with delete instead of truncate
// as well as a list of tables to ignore.

var options = {
mode: 'delete', // Valid options 'truncate', 'delete'
restartIdentity: true, // Used to tell PostgresSQL to reset the ID counter
ignoreTables: ['Dont_Del_1', 'Dont_Del_2']
}