zack-sequelize
returns a configured instance of zack for use with sequelize
var transact = require('zack-sequelize')(sequelize)
// wrap a task with a transaction.
var doThing = transact(function(transaction, a, b, callback){
callback(null, a + b);
});
// call the task, transactions are automatically handled.
doThing(10, 20, function(error, result){
// etc...
});